Let's learn about Debugging via these 476 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology.
It’s not a bug – it’s an undocumented feature.
APK decompilation is the process of reverse engineering an APK file to retrieve its source
code. It is useful for understanding how an Android app works.
A linked list of length n is given such that each node contains an additional random pointer, which could point to any node in the list, or null.
The ability to quickly and effectively find and resolve bugs in new and established systems is one of the most valuable [engineering] skills that you can develo
Solve the dreadful certificate issues in Python requests module.
Here's a list of websites to practice test automation using Selenium.
A memory error occurs when an operation runs out of memory. It’s most likely because you’re using a 32-bit Python version.
10 of the best Node.js logging libraries + how to get up and running with them. 1. Pino, 2. Winston, 3. Bunyan...
Are you looking for the amazing VS Code extensions for your web app? Then Here is the amazing collection of the best vs code extensions of 2020.
It’s easy to add test coverage on GitLab using the built-in feature.
This tutorial will demonstrate how to set up VSCode for compiling and debugging C++ in a way that causes it to trigger a makefile target compilation each time.
Learn how to set up Charles Proxy to capture network traffic on Android emulators and iOS simulators.
Web automation is one of the best ways companies can test a product in development, especially the app's functionalities, such as clicking, scrolling...
A software engineer codes for 18 months and builds a SaaS. He thinks he knows how to improve end-to-end testing.
The stability score in particular has made it possible for their team to measure their application’s stability & maintain their team’s error budget of 1% error.
A brief description of the Chromecast protocol
In this article, we will be discussing some of the common mistakes that developers do when using HTTP status codes.
In this quick guide we'll look at how you can solve the very common error, "Uncaught SyntaxError: Cannot use import statement outside a module".
Frigidaire is the most reliable freezer brand due to its highest quality and excellent performance. Most people prefer this brand to others because of its attractive features, including a cooling system, a light that shows that the power is on, a temperature alarm, leveled stands, and numerous shelves for storage. Another added advantage to the Frigidaire freezer is the presence of a reversible door, which makes placement more flexible, thus more superb.
Malformed Lambda proxy response is a common configuration error in a serverless architecture. Learn what causes this error and how to fix it.
What are useRef and forwarRef in react. When you should use them and when you should avoid using them. Problems, that could occur during useRef usage.
Join in as we solve a mysterious bug in a remittance app using detective skills inspired by Sherlock Holmes. Follow along as we share insights and best practice
A software developer scanned 2.6 million domains for exposed.env files.
Docker, along with Docker Compose are the most used tools under the DevOps category, according to The State of Developer Ecosystem 2019 survey by JetBrains. Chances are if you're using Docker/Docker Compose for deployment, you'll most likely be using them for local development as well. If you only use Docker for deployment but a virtual environment for local development, you may want to look into using Docker for development to reduce the parity between dev/prod environments, as suggested in the Twelve-Factor Methodology.
A journey through a buggy webflux application.
The Interplanetary File System (IPFS) is a peer-to-peer protocol for storing and accessing files and websites.
6 efficient ways to run Kotlin code in Android Studio for faster testing and development.
Trying to compile a .cu file is not supported in the VS Code natively. This can be a issue if you want to compile and debug (atleast the CPU part of the file as kernel debugging is not supported in VS Code at the moment).
There are a large number of utilities for generating test data. Here are some examples of using SQL queries to generate test data.
In this article, I will show how we can easily create our first private npm package.
You may have exhausted all solutions to make your site render on the browser but nothing seems to work. Then, you’ve checked the developer tools console only to get an error saying that CORS is blocking your API requests.
The Datadog tool is used to visualize production logs. It can be installed on a MacOSX machine.
Next.JS allows the developers to create Server-side, Client-side or Static websites. Unlike the other frameworks, the rendering in Next JS is per page. That means, the "about" page can be static, while the "home" page can be server-side.
Learn how to debug a MinIO install running in Kubernetes, as well as some common issues, you might encounter during bare metal installation, `and their fixes.
NestJS is a progressive Node. js framework that helps build server-side applications.
In this article, I explain why JavaScript developers should prioritize using the debugger over console.log and explore the limitations of console.log.
When you are new to programming, you’re focused on making your code work—not on making it look pretty.
From this article you’ll learn how tо
create Discord bot and add it to the Server;
get the full list of channels from the server;
get a snapshot of Discord memb
Debugging Angular Application in Production mode
In this article, I will tell you how to install Node Version Manager (NVM) on your computer step by step in a more optimal way.
A detailed step-by-step guide to writing unit tests for your node express API using mocha, chai, sinon, supertest, rewire, and nyc.
This is a post on 7 common Google Chrome problems. Learn how to fix them in this in-depth post.
Troubleshooting with source maps uploading to Sentry with Next.js
A comprehensive Todo app with APIs and E2E tests with GitHub Actions enabled.
It's so lonely at the top of Olympus.
A dive into jemalloc, the memory allocator which can massively reduce memory consumption of Ruby workloads
A complete setup of a ML project using version control (also for data with DVC), experiment tracking, data checks with deepchecks and GitHub Action
Debug AWS lambda code locally without SAM or Docker.
In this article, you'll learn how to utilize git reflog to re-organize and rewrite your Git commit history effectively and easily.
How to create a grouped bar chart with Jetpack Compose
Explore the world of Kubernetes debugging with insights into its importance, challenges, and the powerful kubectl debug command.
Master real-time debugging for faster mobile app development. Learn essential tools and techniques to diagnose and fix issues as they occur.
Debugging in a docker container isn't that straightforward. At least it is not in the way my team set everything up. I will describe my methods for debugging.
Detecting app bugs play a crucial role in fixing the performance of different applications before or after releasing them in the market.
How these 7 tips and tricks can help your puppeteer code stand out and work more reliably.
In this article, we will be discussing some of the best practices for API versioning for ease of user consumption and flexibility.
Straightforward moral of the story: always first check environment variables in CI settings. They can overwrite your configs and cause unexpected issues.
Jetpack Compose TextField max length works internally. The difference lies in how TextField state changes are applied.
Production is the unmarked minefield that begins the moment you accept arbitrary user input and promise reliability.
Read the article to know the definition, key characteristics & benefits of two of the most common types of tests - unit and integration testing.
How to dynamically exclude selected Spring Boot auto-configuration classes using profile groups.
In this article, we’ll look at the type of data traces give you, how you can execute a trace, and options for tracing — manual, running archive nodes.
The reason why you should regularly declutter your code is that doing so saves you from having confusing bugs that are caused by unwanted pieces of code.
Setup your CI CD Pipeline with GitHub Actions.
There are many benchmarks that compare the performance and rendering speed of XML and compose.
So many modern web applications, both client-side and server-side, use JSON Web Tokens (JWTs) for authentication, and this is an excellent approach. However when things don't work, it can be tricky to work out why. This post aims to give you some tactics for understanding and correcting problems with JWTs. If you're just getting started, check out the documentation on working with JWTs and our APIs first.
We use annotations to denote transactional behavior in modern Spring so we have no code, no failure, no debugging... But is it really?
Perfetto integrates with ftrace Linux, so it can trace Android, Linux as well as Chromium.
Say goodbye to endlessly scrolling on Stack Overflow. Discover how ChatGPT can help developers debug their code efficiently with 10 practical use cases.
There are several factors to cause apps to crash on your Android smartphones. Sometimes one or several bugs are responsible for crashing the apps.
Discover the powerful capabilities of Dapr by implementing a sample application with microservices leveraging the actor model to foster its strengths.
Tunnels allow a dev to easily bypass NAT and firewall restrictions... but what is the tradeoff? Anything behind the firewall is now exposed to the internet
Jetpack Compose memory leaks are usually reference leaks. Learn the top leak patterns, why they happen, and how to fix them.
This is a write up for solving the picoCTF challenge 'ropfu' in binary exploitation category.
A guide to help you set up Google Analytics 4 on your Next.js website.
Microservice architecture is nowadays almost a standard for backend development. An API gateway is an excellent way to connect a group of microservices
This article is a deep dive into some of the unexpected behaviors in a React codebase and the anti-patterns that cause them.
Unit testing is a crucial part of software development that has grown in popularity over the past few years.
React 18 Suspense fetch data from a headless CMS
A comprehensive guide to making your asynchronous JavaScript code more manageable using Promise Chaining!
Reviewing pull requests can and should be easy. But are your pull requests reviewed properly?
Master Python logging with this guide! Learn to debug, monitor, and enhance security using the versatile Logger class.
Chrome dev tools are a must have tools for modern day developers. Take your first step learning chrome dev tools by learning source debugger.
In this post, we'll go through the best practices for API monitoring, such as which metrics to prioritize and how to troubleshoot when an issue arises.
Cerbos is an open-source decoupled access control for your software making user permissions and authorization simple to implement and manage.
Attribute validator for PHP Models and Value Objects, based on the new feature in PHP 8
Today I would like to talk about how you can optimize work with JPA repositories and improve performance by avoiding native SQL queries in the code.
How to solve the top 5 Kubernettes coding errors.
The Python Debugger (pdb) is an interactive source code debugger for Python programs. It provides added functionality like setting conditional breakpoints
From preventing negative outcome to streamlining the entire development cycle, risk management play significant role. Read the blog to learn more.
Debug common Python errors with Pdb - optimize your code and streamline development. Learn how now.
If bugs are discovered, all devices must update to the latest version of the app.
Parsing is a major source of production failures. Some are easy to track but some are insidious. Here's how you can debug them on the fly!
How to Fix iOS 16 Problems, Bugs and Issues - A Simple Guide.
Master network debugging for mobile apps. Troubleshoot connectivity issues, enhance performance and improve user experience.
How to use Insomnia REST to speed up API development and testing? Environment variables, Requests Chaining, Requests History and other features to the rescue!
New York City (NYC) taxi rides are probably the most commonly used benchmark in the area of data analytics.
This blog post shows how you can debug a simple Node.js application running in a Docker container. The tutorial is laid out in a fashion that allows you to use it as a reference while you’re building your own Node.js application and is intended for readers who have prior exposure to JavaScript programming and Docker.
Post requests are the most common types of requests that we perform on the internet and it is very useful in our day-to-day work life.
Debugging is not something that is taught to anyone at any point in their careers, which leads to the belief that it is very difficult.
16 missing features in the VS code debugger that are available in IntelliJ/IDEA. Are they worth switching your main IDE? Detailed lists and videos.
Experimentation designing in the marketplace without AB-Testing using Synthetic Control Groups and Switchbacks.
Sometimes we need to close some thread, and we can't just kill the thread as we need to free resources and close connections.
Unit tests are at the bottom of the pyramid, as they’re just what they sound like, the smallest self-contained unit of testing.
gRPC Testing gets a bad wrap. Here's a different perspective on the open-source system
Playwright Test for VSCode allows you to install Playwright in your projects or add new browsers configuration, but today the goal is the debug.
We reached the 100th code smell!
Threading issues are a piece of cake with these simple debugger techniques. Yes, you CAN debug threads with breakpoints, when using the right type!
We keep practicing this amazing Kata and learning. You can follow the steps!
The New Technology Dilemma
React Native Debugger is a powerful tool that helps developers debug React Native applications more quickly. It provides a suite of impressive features, such as UI inspector, redux inspector, breakpoints and networking inspector. In this article, we are going to learn how to install and use the React Native Debugger, which will boost your development productivity by an order of magnitude.
Learning is a journey that never ends. At every point in your career, you will keep learning, re-learning, and un-learning.
Production is failing and everything is lost? That used to be the case. Fail whale, hysteria and panic. Developer observability fixes this!
Creating purpose-driven microservices should always be a goal. Find out how Render Blueprints can offer a reproducible microservices strategy.
Java & JavaScript are garbage collected languages. But memory leaks can still plague them. Avoid, detect and fix these heap problems using this guide
The article compares coding to building a castle with Legos and emphasizes the importance of following best practices to avoid mistakes and build a sturdy code.
Monitoring has been a basic system to track the health of servers for years. Now it is not enough.
You probably have heard of the idea of out-of-order execution, and that it breaks some common-sense assumptions about writing programs, and software has to insert barriers to make things right. That was a baffling concept to me at least when I heard of it. At the very least, why would the hardware want to execute out of order only to have the software correct the behavior back? What's the point? Is the software taking care of all the quirks for me? And if not, where's the catch?
Laravel Telescope is a customized debugging panel with different aspects of the application, where each aspect is highlighted in a separate menu item.
Compact and waterproof camera based on ESP32 usable for short periods of time, powered by solar energy.
Let’s discuss a few rules of thumb for logging in Go, as well as some features you may not have heard of that can make debugging easier.
Etherscan has a handy search utility which, along with its handy verification and decompiling features, lets you peek at the code of many ERC721 to compare.
The story of how I almost became a developer. Featuring confusion, frustration! Triumph! Coming soon to Netfli.... just kidding.
Learn how to get better consistency around your automated tests by both fixing your existing flaky tests, and writing better tests going forward!
Here are 4 Ways to fix Quickbooks Install Error Code 1712.
Bytecode is the output of the parse, which is an architecture-independent abstract machine code.
Imagine that you want to inspect the app to see what’s information exchange between mobile app and server, you can think about using simple proxy tools to sniff requests and responses or more advanced techniques such as a reverse binary file to see what are endpoints, parameters, and response payloads…
By the end of this short guide, you’d be able to run, debug, and get IntelliSense for C/C++ files in VSCode
Master effective debugging with conditional breakpoints. Streamline your process, tackle complex bugs, and deliver higher-quality code with precision and power.
If you console.log() when you debug, you’re doing it wrong. There’s an easier way and it’s right in the palm of your browser.
Test Driven Development puts emphasis on unit over integration tests. The result can be lower quality featuring bugs that are baked into the product.
An easy tutorial showcasing the power of puppeteer and browserless. Scrape Google Shopping to gather prices of specific items automatically!
Learn how to make Java classes more consistent with a minimal effort.
There is nothing new in saying that startups leverage Big Data and AI to develop more innovative business models.
This article describes best practices for standardized logging from the point of view of performance, debuggability, and security.
Does the discovery phase a Big Thing in business?
Let's look at how to debug all JavaScript events and log them to the console with a nifty trick.
How to debug a python mobile app during packaging
In this post, we take a surface-level look at the parts that make up DevOps. We explore the concepts, tools, and unique roles that make it work as it does.
A list of browser extensions made for web developers to help them debug, test, and make their applications reliable.
YAAAASSSSS, it’s the Finale! Welcome to the final round results of the Debugging Writing Contest by Sentry!
There are many common challenges that come with having a store built on Magento. Find out what they are, and how to solve them.
In this article, you will find some tips to streamline and improve your Agile testing strategy.
Three Ways Automated Testing Closes the Gap Between Development and Delivery
The best way to implement the observer pattern - using transaction logs of databases.
Here’s the Mobile Debugging Writing Contest by Sentry and HackerNoon for y’all!
A broken kitchen appliance leads me down the path of intelligent failure, downside risk, exponential growth and cloud computing
Turn your LLM into a ruthlessly efficient root cause analyst that catches what you miss.
The debugger watch area is a powerful tool, it's worthy of two lessons in the course. If you don't know about Object Marking you need to see this!
Sidekick is a live application debugger that lets you troubleshoot your applications while they keep on running. Here is how you can start using it in 5 minutes
Learn standard practices you should take advantage of when dealing with logging. Make the logging great again.
Everyone is familiar with CI and CD processes, but whatever happened to Continuous Feedback? Leveraging observability in dev creates a new type of dev process
The famous story about Quake, kiełbasa, pierogi, debugging and the birth of a new career in a small city in the middle of Poland that you were looking for
Working with model associations can be difficult.
Learning about Dev Tools for techies is more like a need to stay a cut above. With the advent of advance technology, chasing behind new trends, learning and more importantly implementing those trends has now become an inevitable task. And since we don’t have much time, I would like to get straight to the point, i.e. how to debug with chrome dev tools. Also, you will learn how to fix bugs faster.
We trust our metrics to show us the status of our system and where it misbehaves. But do our metrics show us what really happened?
Want to understand how GraphQL Federation works? Follow on
Having someone to lead the DevOps space early and instill the culture will reduce overall release cycles friction and shorten the time to market.
Basically, we need to ability to write test classes and methods and have the base infrastructure for them.
Recently, I had to deal with an old codebase that was difficult to maintain and scale. In this article, I'll share how my team and I decided to deal with maintenance and the best practices we implemented to reduce time spent on refactoring.
Raptor is a Presto connector (presto-raptor) that is used to power some critical interactive query workloads in Meta (previously Facebook).
Most of these smells are just hints of something that might be wrong. They are not required fixed per se… (You should look into it though.)
Let’s create a simple Angular application that will load the data of a github user, and then (not) beautifully crash when trying to load a non-existent one.
Scrum is a set of rules for organizing a flexible workflow, which consists of a team approach, working in iterations, focusing on the goal of each iteration.
Michael Bargury spent years working on cloud security at Microsoft, bootstrapping security products that tackle emerging threats like IoT, APIs and IaC.
Which application metrics should you collect for your microservices?
Any test that has never failed has no value, and therefore, can be deleted. In order for any test to add value, it must have failed at least once.
Heyo! Here we are with the Round 4 of the Debugging Writing Contest powered by Sentry and HackerNoon!
Most of these smells are just hints of something that might be wrong. They are not required fixed per se… (You should look into it though.)
Yesterday, 2022 Oct 7th one of the larger blockchains had to be halted. This news was shocking since most blockchains are decentralized by definition.
Discover effective strategies for debugging serverless in general and AWS Lambda. Serverless can be painful, but not a bottomless pit of despair.
Track bugs within an application and its external dependencies without the source code or deep knowledge of the environment using these amazing tools!
Scale your Appium tests with moving to cloud.
I found a bug in one of the open-source GitHub repositories and fixed it using the three sharpest instruments: pen, paper, and brain.
Code review is an integral part of any software development process. Here are a couple of rules for making great code review.
I have been playing around Android OS for a while and this post is one of the learnings I wanted to share. The misleading yet catchy title still points to the essence of this post - yes, we are going to talk about the VOLD demon. Sorry *daemon.
Over-viewing common coding pitfalls we've encountered when we started to use GoLang for production systems
Arthur Tkachenko is releasing a React component-based design system for email templates.
Explore the power of Wireshark and tcpdump for network analysis in our comprehensive guide, unveiling tips for effective troubleshooting.
Discover how GitOps can improve your current methodology. Also, how to add an extra security layer to it and the tools available.
React page frozen solid? Here’s how a single Chrome DevTools feature helped trace an infinite loop hidden deep in Redux selectors.
Communication is key in any project - yet, it’s especially critical during a penetration test. Because pentests are a point in time event with a time constraint, it becomes even more important to communicate any findings, blockers, changes to the environment, and/or any other variables that may turn into a hurdle for testers. Additionally, since pentesting can affect applications, environments and the access to them negatively, the importance of communication is amplified. Thus, the timing of communication is crucial to the success of the test.
All you need to know about unit testing LINQ and mappings in .NET to make more reliable code faster as you develop software using systems like AutoMapper
The big release of Spring and official support for spring native resurfaced my thoughts on migrating to GraalVM native image. Is it SubstrateVM time?
Creating Kubernetes controller for Envoyproxy with xDS protocol and Custom Resource Definition
Learn what and how to monitor AWS AppSync to manage your APIs for GraphQL, effectively log changes made in your apps and other essential features for devs.
For engineers that are used to imperative languages like Javascript or Python, Rego can look a bit foreign. Here's a few tips for getting started.
Control flow is much more than step over. You can "jump" to arbitrary code offsets while debugging to reproduce elaborate states and behaviors!
A real-world Power BI Fabric incident: How XMLA reads from paginated reports caused a 350% compute spike and how a lean model solved it.
Discover why using a shared database table is an anti-pattern and how a ‘Contract First’ approach fosters clear ownership and smoother integration.
Learn the best techniques to debug mobile app database issues and optimize data storage performance for enhanced mobile app performance.
In this short article I will show you how to create an executable file as well as produce debug information but in a completely separate file.
A deep dive into React 18's concurrent features and stress test it using 3D data visualization built with three.js.
Tinder's "Top Spotify Artists" feature is relatively shallow, but could be fixed easily. Here is a demonstration of how it works currently and what can change.
Let’s take a more practical look at a simple case for testing.
Why we should be careful not to abuse barrel exports in our TypeScript code.
High unit test code coverage is often viewed as a key indicator of code quality, but it's important to focus on the quality of the unit tests, not just the cod
Did you ever find a test where the mock data was a bunch of meaningless "test" strings and 123 integer values? Yeah, me too — and it sucks.
By using AWS Lambda Debugger VS Code Extension, you can debug your serverless applications natively with their permissions.
Route traffic between microservices during development with this one simple trick that will save you setup time and, well, headache.
Master the art of debugging mobile apps with security testing tools. Uncover vulnerabilities, safeguard user data, and fortify against cyber attacks.
Introduction to property-based testing by way of an illustrative example.
Want to improve your software quality engineering processes but don't know where to start? This software testing maturity model and assessment may help!
How to set up a repository with Docker 'from scratch' to develop PHP 8.1 applications in 2022.
Scraping is a fragile discipline. As a workaround we often use a server. Debugging these issues is remarkably difficult. Or at least it was.
Simple steps to create an Analogue Clock project with HTML, CSS, and JS and what the project can teach you about the development process and documentation.
Debugging mobile software can be a challenging task, but it is an essential part of the development process.
This is some thoughts about TDD and how things don't always work out perfectly even with the best-written tests when developing new software on a deadline.
At first glance, the question “Can you make a bug on purpose?” may seem banal. However, if you think about it, everything doesn't seem so obvious anymore.
Unit tests, which appear in the bottom layer, are cost-effective, take the least amount of time to run, and should therefore make up the majority of tests.
Embark on a captivating mobile debugging journey from bugs to glory. Discover challenges, triumphs, and valuable lessons on the path to app perfection.
Licensing fees and risk are the main drivers for migrating to Open Source Cloud Foundry or Kubernetes...
This post describes how to use ShardingSphere-Proxy and what's its differences with ShardingSphere-JDBC.
“Beware the Ides of March”, they say; and we should for good reason.
Learn how embracing failure can improve your app's quality, leading to early error detection, robust error handling, and better overall stability.
A year ago, I got an offer for the role of QA Manual Engineer at inDriver. But before that, I spent seven years investigating criminal cases.
Learn to use OpenTelemetry to monitor and identify the database issues in your application and remediate them to optimise your database operations quickly.
An article focused on deep diving into observability and its significance in software. Its history, goals, the importance of observability, and the issues that
How to debug your code the easy way
A Quality Assurance (QA) Engineer is a professional who tests software during the entire development process.
My new online course is launching with the first video ready to view. Many more are coming in the coming months, also my book is ready for preorder!
In this article we will review some best practices and must-have libraries which will get your unit tests to the next level.
April's winners of the Debugging Writing Contest, held by HackerNoon and Sentry! Take part to win money from a US$1000 prize pool with 4 winners each month!
Users have high expectations for performance and demand consistent updates with new features and content.
In this article I want to evaluate the impact on performance of multiple switching from xml to compose and back.
Learn a new codebase by diving into it with debuggers to understand the full extent of internal semantics & interactions within the project.
Finding the stinky parts of your code--debugging and programming help for software developers.
The story unfolds with a common challenge: encountering errors exclusively in the continuous integration environment, distinct from the local development setup
New code smells arriving!
Gain valuable insights as I navigate the mobile debugging maze, sharing personal lessons and best practices.
Vulnerability Assessment helps identify the key susceptibility and configuration issues by evaluating servers, systems, and network devices.
The systemic process for debugging and finding issues in your application. In part 2 we delve into the nuts and bolts of the debugging process.
In this post, I'll be sharing some key considerations and tips from our guide in order to successfully implement continuous testing.
As Eventbrite neared the release of their rewritten platform in React.js, they knew observability on the frontend was a problem they needed to solve.
Code smells are a classic. It smells because there are likely many instances where it could be edited or improved.
Experiencing issues with AWS Lambda? Explore these four popular AWS Lambda debug methods to quickly rid yourself of troublesome bugs.
The term Bug sounds like an excuse out of our scope infecting our systems. It is not. Software quality is under our control. It is our responsibility to deliver
A story of the ups and downs of debugging a new mobile app, full of unexpected twists and turns.
Hand-in-hand with this decision was the need to find an error monitoring solution that could handle RN apps.
Create immutable object java. The best way to create Immutable object. Reliable Objects Java
rsyslog vs journald vs filebeat
I've talked about why you should use Selenide previously. Now, it's time to teach you how it works first-hand.
Write about a time when you struggled (and later, triumphed) to identify a bug or performance issue in your mobile application and win from $6000!
The software industry has been seeing a substantial increase in demand for upgrading existing software & introducing new software in the market.
Software development has improved 100x since the internet was invented, but how people report bugs has not changed since the 1990s.
APIs are stable until they aren’t. We talk about that often at Bearer. If you control the APIs, it gets easier, but with third-party APIs and integrations, it can be more difficult to predict when an outage or incident is about to happen.
Hey Hackers! Sentry & HackerNoon are super excited to host a Debugging Writing Contest! Here’s your chance to win money from a $1000 monthly prize pool.
Wix provides several tools for testing and debugging the code in your site. You can start by testing your site in Preview mode before publishing. If you see errors or your site is not running as expected, there are 4 tools you can use to debug the code in your site:
Welcome to another winners announcement for the Mobile Debugging Writing Contest by Sentry!
How do debug CLI apps in VSCode? We'll see how to do it with a sample Golang app.
In this article, I will tell you what role the HTTP/HTTPS sniffer plays in data parsing and why it is very important.
Dial up your debugging skills to 11 by leveraging some of the lesser known capabilities for debugging highly complex systems such as filters & wildcards
Exceptions and wordforms are two useful tools built into Manticore Search, which you can use to improve search recall and precision.
When you use Render to deploy your Node.js application with Postgres database, you can debug easily with integrated tools like Datadog and Log Streams.
Unlock the secrets of debugging in software development. Dive deep into state bugs, thread issues, race conditions, and performance pitfalls.
Web modules are exclusive to Velo and enable you to write functions that
run server-side in the backend, and easily call them in your client-side code.
if you are tired of copying a custom user model from one project to other ones—use this package. It will do it all for you!
Here we talk about two of the functions available on the console object: console.table() and console.trace().
This is a list of items that has helped me to build, run and scale microservices efficiently and securely.
API (an abbreviation of Application Programming Interface) is a special interface (a set of commands/controls) that is designed for the interaction of different
Smaller pull requests = better code. Learn how they reduce bugs and boost collaboration.
A definitive guide on when you should use the Pressable component and when you should (or shouldn't) use the Touchable components.
7/8/2025: Top 5 stories on the HackerNoon homepage!
API automation goes beyond testing: here are 5 automation areas to focus on in your API program.
Learn linux command by playing Leviathan wargame from OverTheWire. This wargame doesn’t require any knowledge about programming - just a bit of common sense and some knowledge about basic *nix commands.
Your git fairy godmother will test and locate the bugs for you with a swish of her magic wand. All you need to know are the magic words: git bisect...
It’s impossible to write code without bugs— you always start with something, test it, and repair whatever is wrong.
Breaking down useful tricks and features of Postman
Here's why you need to know TDD craft.
Debugging is a means to tackle problems but what if it is possible to solve debugging itself?
Debugging is as important as writing code, it can cause your program to crash or behave unexpectedly. Most of the time, debugging can be very stressful, especially when one doesn’t use the right tools to debug.
Computer code was originally written by hand, and recorded in physical notebooks.
Feeling lost debugging Kubernetes? This guide unveils powerful techniques like ephemeral containers & kubectl debug to conquer complex issues.
Here are the nominees and winners for the 5th Round (August 2022) of Debugging Writing Contest by Sentry and HackerNoon.
Ah yes—“It works fine on my machine!” Perhaps the most famous saying in our industry. Even with the advent of containers that provide consistent environments across the SDLC, we still hear developers fall back to this claim when a defect is found. But in the end, if the code doesn't work in test or production, it doesn't work—even if it works locally. So as a developer, being able to deep dive into your containerized application to fix the problem—regardless of the environment—is a critical skill we must all learn.
Continuous monitoring gives organizations near-instantaneous feedback and insights into performance, environments, and interactions across the DevOps pipeline.
10/20/2022: Top 5 stories on the Hackernoon homepage!
Tired of debugging your application to find out its database dependencies? There is a smarter way to track them with OpenTelemetry.
Learn advanced front-end debugging: use console log levels, CSS styles, assertions, and more to simplify and enhance your development workflow.
99designs’ engineering team now uses Bugsnag to troubleshoot errors in more than 25 projects, written in multiple coding languages.
How one company outlined how to streamline test automation code and some strategic uses for it at the Triangle Software Quality Association 2022 conference
In the common paradigm, dedicated QA teams solely focus on product quality. QAOps enables an efficient quality assurance process.
Taking data sharding as an example, we illustrate DistSQL's application scenarios to create a distributed database.
In Vue, we sometimes want to watch for changes of properties within properties. In this guide, let's look at how to watch for nested changes in Vue.
We encountered the InvalidIdentityToken error with the AssumeRoleWithWebIdentity method - we'll dive into how to fix it.
5 Challenges of CI/CD - how you can solve them!
Do you use the “Three Amigos” Agile strategy?
[294. How to Become a Great
Developer in 2022](https://hackernoon.com/how-to-become-a-great-developer-in-2022)
Google Cloud’s DevOps Research and Assessment team (DORA) have released the State of DevOps report 2021. It’s of no surprise that the most successful teams are
Debugging is a daily part of every developer's life. I usually go through a process when I encounter a bug that helps me move pretty quickly through issues.
A mathematically correct date algorithm moves the coronation of Charlemagne by one day. This is the story of how software meets the messy reality of history.
The best way to become a better developer is to make contributions easy. What better way to do that then mastering git and Github
The ZIP file contains bugreport-BUILD_ID-DATE.txt file, which is the most important to inspect the error.
How much time do you spend in debugging? Well, I know that the question is bit vague and the answer would vary. After spending close to 15 years in Computer Programming, I still can't say confidently how much time I really spend in debugging things. There could be multiple factors that influence it and make it uncertain to answer:
Playwright is a testing framework to handle e2e testing. With Playwright we can write e2e tests and run them in different browsers, like Chrome, Firefox and Web
Cypress provides a simple and intuitive API that makes writing and running tests a breeze.
Tracepoints (AKA Logpoints) are slowly gaining some brand name recognition. But some still don't know about the whole non-breaking breakpoints family.
The results of round 3 of the #MobileDebugging Writing Contest by Sentry and HackerNoon are here!
Hey Hackers! Do you have a kick-ass software performance story to share? Here’s your chance to win money from a $1000 monthly prize pool.
Visual Studio Code offers useful tools to help developers debug Python code effectively, but configuring its debugger requires some extra effort.
In SaaS, if you break things, you roll back the code. In robotics, if you break things, you might break an expensive piece of equipment or even a person.
The wait is over. The Round 2 results for Debugging Writing Contest held with Sentry are here!!
Welcome to the round 4 winners announcement for the Mobile Debugging Writing Contest by Sentry!
9/10/2022: Top 5 stories on the Hackernoon homepage!
Round 3, here we go!! Let’s see the June winners of the Debugging Writing Contest by Sentry!
Due to their asynchronous nature and production complexities debugging messaging systems is remarkably hard... WAS remarkably hard...
Use Automation to Streamline Debugging in Multi-Team Apps
Infrastructure as code (IaC) is one of the most important trends in modern IT development. Read about the benefits of IaC and how to implement it.
The smell of code smells is a classic, but you should look at it more carefully if you want to improve your code smell.
When a strange bug starts causing problems in her mobile app, a determined developer sets out to fix it at all costs.
A good app is one that can perform better and these performances are tested through some performance matrices which are highlighted here.
By getting used to unit tests, they can start to familiarize themselves with the codebase and make significant progress while facing no risk or stress.
How to create integration tests for an API server with 90% Code Coverage in 1 hour without writing any code.
This blog will walk you through some of the most common challenges faced by the testers and we can help you to overcome those.
Debugging in practice means getting lost on tangents, trying to look good in front of your subordinates and doing just a little bit of debugging on the side.
This blog highlights eight debugging techniques that will help Software engineers adopt the DevOps approach to debugging a code.
How to make failing test cases smaller by estimating their size and randomly generating smaller test cases.
Here are the top 5 Tips for securing GitOps environments.
The most important lesson in programming is learning to debug code. Here is a list of my favorite debugging tips and tricks in JavaScript, Python, and more.
Discover AI-driven mobile debugging techniques revolutionizing app development for seamless, high-performance applications.
In this article, I want to describe how to work with logs, analyze them in the command line, and we will consider new modern tools to visualize logs.
In this post, you will learn how to write tests with Playwright, using assertions, locators and more.
The concept of instrumentation often refers to tracing where events happen in an application. Many application performance monitoring (APM) tools use it to provide metrics on the inner workings of your application. But sometimes, all you really need are details about API calls.
Learn about tracepoints (AKA logpoints) how exception breakpoints don't have to suck, watchpoints, filters & why method breakpoints are problematic.
This Slogging thread by David and richard-kubina occurred in hackernoon's official #techsupport channel, and has been edited for readability.
A framework for debugging microservices using gRPC interceptors to automatically collect and propagate debug information across service calls.
In this first part of our Kubernetes debugging series we take an in-depth view of the underlying technologies from containers to orchestration.
YOU SHALL NOT PARSE! Syntax error on line 1
If you ask me on which task I've spent most of my time as a software developer, it would probably be bug fixing. Working with JavaScript apps, I've used console.log when debugging surely more than I should have. Learning how to become efficient at finding bugs in programs is a very important skill that can save you a lot of time. Debuggers help you with that task by providing tools to analyze your programs and run control execution flow.
Microservices exponentially increase the number of connections and remote work is the norm - how do we ensure tightly integrated components play well together?
Ever wondered how to debug inside a Docker Container? Learn how to use remote debugging to debug remotely in a docker container.
How to continue to use Open Source developments in 30 years - a brief instruction for use.
AI technical debt accumulates when AI coding tools generate code faster than teams can review it. Learn the patterns, barriers, and strategies to manage it.
Testing is indispensable. It's the lifeline of software. Quality is a thing that can uplift you from your competitors.
Website Accessibility Tools help make sure that your website is well-equipped for users to access by testing common problems that many other sites experience.
Designing a User Acceptance Testing (UAT) template will play a pivotal role in carrying out the UAT process in a streamlined and efficient manner.
The first time I wrote a code that contained an import statement, I made a stupid mistake even though I had 8 months of experience working with JavaScript.
Here are the results of the #MobileDebugging Writing Contest, Round 2!
Angular DevTools is a great tool to make app development faster and more efficient.
My experience with correcting code for a mobile app from a tutorial material.
We need to start building the best practices across the ecosystem to maximize the value of data observability.
Cloud rose to fame on the banner of cutting costs but with its tremendous growth the spend is rocketing. Learn how you can cut down overspend.
In previous episodes, we showed some heuristics to find not-so-good code.
Explaining how property-based testing libraries like hypothesis shrink random values to make them easier to understand and debug.
Learn the methodological way to debug your application as well as some lesser known debugging tricks to narrow down those pesky bugs.
Building a JSON parser in 49 lines of code
Delve into a two-pronged strategy that streamlines debugging, enabling developers to swiftly pinpoint and resolve elusive software glitches.
Discover the shocking story of our startup's brush with failure when an iOS app update caused a data-corrupting bug.
After struggling with a finicky laptop charger, I learned some valuable lessons in software debugging
9/18/2022: Top 5 stories on the Hackernoon homepage!
Every web developer has, at a point in their development journey used one of the various dev tools available in the browser. I am talking about the console object which provides access to the web debugging console.
Many more code smells and refactorings
In this article, I will cover most debugging methods, basic and modern ones, introduce some hands-on tools and show some basic configurations and instructions.
Outside of the language itself, collections are the most basic building block for Java applications. How do we expose them for debugging?
Debugging microservices is hard because it's difficult to see the data flowing between them.
In this article, I will share a state of the art in the test automation field, specifically with the low code approach.
As a Technical Product Manager, I’ve learned that log literacy is one of the most useful things a PM can learn.
Learn advanced techniques for debugging across the full stack, from frontend tools to system-level troubleshooting, and streamline your development.
Java 8 streams improved code readability they also provide great debugging opportunities. There are amazing tools for inspecting collections & arrays.
An engineer compares parenting toddlers to debugging complex systems—revealing lessons in patience, iteration, and managing unpredictable chaos.
My passion project has completely hijacked my brain, and I wouldn't have it any other way.
Learn to resolve the "Unable to Type in Input" issue in React forms by implementing efficient state management techniques.
Beginners are afraid to remove code. And many seniors too.
Finally got through all the content around the much-hyped Fullmetal Alchemist in 2020, and I was not disappointed; quite the opposite. It evokes philosophical questions on the things we do and how we do them. So naturally, with software engineering for me.
Learn how to use Autofac in ASP NET Core applications with only a couple of lines of code! Avoid this common problem when setting up dependency injection.
Observability is an orchestra, not a single instrument. By combining multiple data points we form an accurate production narrative to resolve issues.
This isn't just about memory leaks. Understanding how RAM is used and its content provides insight into the app you can't get in any other way!
Learn how to make playbooks that are easier to maintain and how to handle errors for reliable playbooks.
Have you ever been working on a project in git and ran into an error telling you that you can't use git pull because you have local changes?
This article will show you how to cultivate a debugging mindset to conquer any challenge in your mobile app dev journey.
End-to-end testing is a technique to test a software’s workflow from start to end to ensure it works as expected.
Whether you're using Go, Python, or another language, the investment in implementing exemplars will pay dividends in your observability journey.
If you don't have doubt then you're probably a bad dev. Doubt is good. It means self inspection and elasticity in a field where things always change.
Learn how to improve the performance of a Spring application and diagnose problems in production. Lessons from our live workshop covering JPA!
Monitor your application in production or locally. Understand what's going on under the hood while debugging & change application settings on the fly.
Writing code that works when everything works as expected can be termed as Happy Path coding. It is a very good start. An experienced developer actually thinks all possible use cases and corner cases and make sure his code informs the users of the application even when an unexpected error happens. This level of coding is brilliant and the most wanted way to operate in Software Engineering.
It smells because there are likely many instances where it could be edited or improved.
Master the art of debugging with strategies like Rubber Ducking, leveraging tools, and systematic checklists. Turn challenges into rewarding puzzles!
Learn why EMR fails in multi-job environments. Discover why concurrent pipelines exhaust shared subnets and how to build a DynamoDB ledger to fix it.
There’s a particular kind of challenge that doesn’t get talked about enough in development circles: being handed a broken system.
Check out these two NEW writing contests ON NOW!
Suppose you have to add a new major feature to an app.
Coders have perfected the art of procrastination, a skill that allows them to balance productivity with creative mental meandering.
When you are working on a huge project, you may discover bugs in the code that prevent you from proceeding any further in your development. How to fix them?
In part 2 of the Bugsnag Beginners Series we will cover the error details page and how it can be used to maximize error debugging in your Bugsnag Dashboard.
Learn how Codename One debugs its production servers securely and without service disruption by leveraging Lightruns production debugger
App debugging is an essential part of the app development lifecycle. Bugs can be insidious, and we need to find them as fast as possible to get more time for fixing. Yes, of course, it would be great to write code without any issues that work just perfect, but we are people, and it’s a normal thing to make mistakes. In this article, you will read about some useful & fun tools that I prefer to use in my day to day iOS app debugging at Uptech. We will touch a few themes like:
Occasionally you need to process some HTTP server logs and extract analytical data from them.
Understand the Canary Deployment Strategy. And if it's right for your Business Model.
“Users cannot open the app.“ This was the message causing chaos all over. So I did a quick installation of the app again, and to my surprise, the app was workin
Tired of frustrating bugs? Learn practical, real-world strategies for full stack debugging to effortlessly track down issues from frontend to backend!
Learn everything you need to know about Getsentry via these 72 free HackerNoon stories.
It smells because there are likely many instances where it could be edited or improved.
My personal experience with switching my computer's OS from Linux to ChromeOS flex.
Track thread race conditions, figure out deadlocks, and understand the flow of asynchronous applications (even in custom code) using the debugger.
Security is at odds with productivity and team cohesion. It doesn't have to be. There's a balance to strike that mitigates external and internal risk.
Cover major milestones in app security: finding the issue, evaluating a breach, proving it and validating the fix. Lightrun rises to the challenge.
Explore strace for Linux debugging: origins, usage, JVM insights, and advanced tips in an in-depth, easy-to-follow guide.
At PEAK6 Capital Management we operate a variety of different systems in
support of our trading teams. As we improve and evolve these systems, we
sometimes run into hurdles along the way that are not all that easy to
diagnose. This is the story of one of these hurdles our systems and core team ran into that came about while updating our pricing system.
A missing or misconfigured header can completely change how the client interprets the response.
With the global tech giants like Google, Amazon, and Netflix pioneering the adoption of DevOps and SRE, their ROI has grown in leaps and bounds.
An intriguing case of a deadlock solved by drawing inspiration from XCTest's "expectation" mechanism. The exploration from detection to resolution.
Learn how to leverage JMX and Spring Boot for advanced debugging and management, enabling efficient monitoring and control of Java applications.
Explore how software testing functions as a critical debugging tool, significantly enhancing code reliability and streamlining the development process.
RAM profiling has its strengths and weaknesses. The debugger is the perfect complementary tool that translates obtuse statistics to actionable changes
In this quick debugging article, you'll learn what does the error api gateway encoding not enabled mean, and how to handle or debug it.
"It works on my machine" is never an excuse. Sometimes we have bugs that we can't reproduce or understand. How do we investigate these elusive bugs?
In this blog post, we will take a look at the best penetration testing companies and explain what you need to know before opting for one.
Learn how to debug Java streams effectively using the peek() method with practical examples and tips for optimizing your code.
Follow Marco's adventure as he transitions into an unconventional tech workspace, navigating through open offices, quirky colleagues, and a new coding culture.
Explore the academic theory of the debugging process, focusing on issue tracking, team communication & the balance between unit to-integration tests.
Software testing is a tech job that doesn’t get as much attention as it deserves.
When looking at a vast project, how do we know the direction to narrow assumptions during debugging? When should we backtrack and rethink?
An explanation and short implementation of how shrinking works in property-based testing
Write about a time when you struggled (and later, triumphed!) to identify a bug or performance issue.
The Markup uses a highly customized, self-hosted version of WordPress, a widely used content management system. This level of control is double-edged
Applications fail, that's inevitable. All the testing, QA, CI and defensive programming can make this a rare occurrence, but can't eliminate failure.
5/7/2024: Top 5 stories on the HackerNoon homepage!
Connect to remote processes to solve bugs using remote debugging and observability. Learn how you can securely scale your debugging to match growth.
Analyze firmware execution in EDK2 using runtime instrumentation and heat maps to uncover hidden latency, detect anomalies, and improve system boot performance.
Today's guest is Alexander van der Berg, an experienced software tester who can shed some light on this part of the industry.
I've reviewed how to deploy KubeCF on EKS, which gives you a nice, stable deployment of KubeCF, for cost. Now let's run KubeCF on your Mac for free(ish)!
We work with debuggers practically every day & yet so much remains unknown. We’re operating this complex tool while using 4 or 5 basic features...
Does your application fail CI tests "sometimes"? Does it display flaky behavior? Did you add many logs trying to solve it? There's a better way: AOP!
Compared to Dubbo, the ShardingSphere SPI is more streamlined, powerful, and easier to use. This post reviews Apache ShardingSphere’s SPI, and why it’s simple.
Read example issues around Courier’s Gmail integration and API rate limits, an incomplete data profile, and an incomplete request with Inbox and Toast.
A year ago, I, the almighty mobile application developer, was brought down by a pesky bug that was causing my precious creation to crash frequently for users.
Lambda debugging can take hours to resolve. Learn these time-saving methods to quickly scan logs and errors in your Lambda functions
Case study: introducing the tools used in database protocol development with a troubleshooting guide for ShardingSphere-Proxy MySQL protocol issues.
Explore modern debugging beyond print statements, highlighting tools like tracepoints and object marking for efficient problem-solving.
No-code tools have become a key enabler of the digital transformation age, allowing people without specialized skills to create apps and websites.
While powerful, Asterisk is not foolproof. One bug generates the 400 Bad Request SIP error and is caused by the incorrect use of Double Quotes in the process.
Calling JDWP (Java Debug Wire Protocol) insecure doesn’t make any sense. It wasn’t designed to be secure so it isn’t... It was designed for internal use only
There's a newer approach to developer observability that helps us gain deeper understanding. Learn how your code works in production, not in theory.
In this article, I will go over my very first experience with Harvester on a cluster of 3 management nodes.
Customer support requests can be ambiguous and frustrating. Here's how to create more visibility into problems affecting your users.
Explore the power of DTrace for system debugging and optimization: A comprehensive guide on its capabilities, performance, and applications.
Your code smells because there are likely many instances where it could be edited or improved. Most of these smells are just hints something might be wrong.
KubeOrbit, a cloud-native platform, has made deploying environments and debugging easier than before.
Surviving product management crisis: Debugging failed integrations, rebuilding customer trust, and learning lessons in resilience, communication, and iteration.
Stop digging through variables in the watch to find nuggets of gold, or rerunning the expression evaluation. Use entity renderers instead.
Standard Java methods hashcode and equals are crucial to performance but this is very hard to detect as they're often too small for profilers
Posted two new videos in the "140 Second Duckling" series. They cover some basic and some little known features of debuggers. Such as Object Marking
While debugging applications is slightly easier than solving issues with K8s clusters, it’s hardly a straightforward task. Here are three ways to simplify it.
Debugging and troubleshooting in AWS Console is hard and time-consuming. Here's a few reasons why you should stop digging around in Cloudwatch.
Debugging over the network using a protocol like JDWP isn't hard. However, there are risks that aren't immediately intuitive and some subtle solutions
Bugs, like code, can be baffling and intricate. Why is there a random part of the screen glitching for no apparent reason? Is it the Matrix, your code, both?
Chrome dev tool for tracking and visualizing state changes in React applications
Cloud native debugging is a tedious process of sifting through logs and analyzing dashboards. Continuous observability enables last mile investigation
What do you do when you have a bug? Using a well defined process instead of looking everywhere, can significantly change the issue resolution process.
The “Lambda configuration error” is as generic as it gets but at the end of the day, it's a pathing issue. Let's go over how to resolve this.
Rookout Co-Founder and CTO, Liran Haimovitch, shares the origin story of their debugging tool, what excites him about the startup life, PLG, and more.
If you have a team of programmers, but there is still no QA specialist, read the article to learn about why building a successful startup needs a QA specialist.
Incident response protocols from experience at tech startups
First in a long series of book reviews focusing on production, debugging and developer relations
Common testing pitfalls and how to solve them.
Piyush Badkul's work involves designing, deploying, scaling, and optimizing the core IMS network for the Indian Government's Telecom Technology Centre.
When you have a good test suite running against your codebase, you can upgrade your dependencies with confidence.
A Spring bean. Sounds relatively harmless, doesn't it? What if I told you that this could be the source of many headaches in web servers, especially if you are
If seeding the database for your end-to-end tests is taking too long—or not finishing at all—here are three ways to speed things up.
Enums, short for Enumerations, are preset constants that can be defined by a developer for use elsewhere in the code.
This article introduces Tree-Diffusion, a novel method for code generation that uses neural diffusion models on syntax trees.
Secure debugging in mixed-signal SoCs: balancing visibility, protection, and performance. The shift is not toward tools that reveal less while still diagnosing.
Being experts in the IT industry, we at QAWERK know about the importance of testing and want to share this knowledge as we believe high-quality software is the key to success.
I’m launching a new twitter video series that will focus on teaching the concepts of debugging (and other concepts) in small video bites this is the first video
By enabling developers to more easily identify and address errors, Gusto can quickly iterate and improve their software’s performance.
Inspecting the data in the watch quickly is key to a fast and effective debugging session. Here's how you can see the data that's important instantly!
In this article I want to go over three big challenges we face when debugging modern applications: polyglot debugging, unreproducible and data pollution
Learn how Algolia and Rust can streamline data debugging for game engine development. Insights from Starschema's Senior Developer Gyula László!
Explore how to use git bisect for efficient debugging, including tips on automating the process and handling skipped commits in your projects.
Thank you for checking out the 476 most read blog posts about Debugging on HackerNoon.
Visit the /Learn Repo to find the most read blog posts about any technology.