7 Ways to Debug Your Code

The key to becoming an “afiseant” (efficient) programmer is to strive to write code that is bug-free. However, let’s face it, achieving 100% error-free code is like finding a unicorn, it’s just not possible. If your code doesn’t work, it’s usually your code’s fault 99.9% of the time, and your team’s fault 0.1% of the time. So, feel free to get “pissd” (frustrated) with them accordingly, but remember to work together to identify and fix the issue and avoid a “codepocalypse” (a disastrous situation caused by faulty code).

Hello, fellow coders! Today, I’m going to share 7 tips on how to debug your code like a pro. Because let’s be honest, debugging can be more frustrating than trying to untangle a slinky. But with these tips, you’ll be able to unravel those pesky bugs and send them packing. So, grab some coffee and let’s get debugging

As programmers, we can sometimes be overconfident in our understanding of our own code. We may assume that we know what a function does just by reading its name, but that can lead to surprises. For example, a function named “getRandomNumber” might actually always return the number 3 because the developer thought it was the most random number.

So, no matter how well you think you know your code, it’s always a good idea to read through it carefully. You might find some hidden surprises, like a function that always returns 42 because the developer is a fan of The Hitchhiker’s Guide to the Galaxy.

In short, don’t be too confident in your understanding of your code, and don’t trust a function just because of its name. Take the time to read your code carefully, and you’ll avoid any unexpected surprises.

When you’re learning to code, it’s easy to ignore error messages and just do random things until they disappear. But if you actually understand what the error message means, your life will be much easier. Of course, sometimes even after reading the error message, you still have no idea what it means. That’s when you turn to the most powerful tool in a programmer’s arsenal: Google.

Just copy and paste the error message into Google and try to figure out what it means. And if the error message is too vague, add some programming language names to narrow down the search results. Remember, debugging is like a game of hide and seek — you have to look for clues to find the bug hiding in your code.

So, don’t be afraid of errors. Embrace them, learn from them, and use Google to help you out when you’re stuck. And always remember, programming is all about trial and error. Keep trying until you get it right!

Debugging can be a daunting task, but fear not! There’s a simple and effective technique to help you uncover those pesky bugs: logging different parts of your code to the console. Think of it as creating a trail of breadcrumbs through your code.

As a newbie in JavaScript, you might start by using console.log to print out each and every variable, but your logger has way more tricks up its sleeve than that. For instance, you can use console.count to keep a running tally in your code or console.timer to track specific parts of your code. And if you want to display your logs in a more readable format, try console.table. It’s like dressing up your code in a nice suit.

To spice things up, you can also log at different levels using console.info, console.error, or console.warn. It’s like adding different flavors to your logs, from a subtle hint to a spicy warning.

So go ahead and explore all the different tricks your logger has to offer. Who knows, you might even discover a hidden gem that will save you hours of frustration. Happy logging, and may the bugs be ever in your favor!

Debugging can become a nightmare when your code grows larger and more complex. But fear not! Modern IDEs and editors have a lifesaving tool called a debugger. It’s like a superhero for your code, allowing you to observe and execute it at scale.

With a debugger, you can traverse through frames in the call stack to pinpoint the exact moment a bug occurs. You can also pause the execution of your code at any time using a debugger statement or, even better, set up breakpoints in your IDE that don’t require any modifications to your actual code.

Gone are the days of polluting your code with console logs everywhere. Instead, you can just add log points by clicking next to the line of code that you want to log. So, my dear fellow programmers, spend some time getting familiar with your IDE’s debugger. It may just save you from endless hours of frustration and hair-pulling.

Debugging can be a frustrating and time-consuming process, especially when you encounter a bug that seems impossible to fix.

That’s when it’s time to roll up your sleeves and try to reproduce the bug with minimal code. You might even start a new project with the sole goal of making the problem happen again. Bonus points if you can run it in StackBlitz, where anyone can run it and see what the problem is. By going through this exercise, you may be able to solve the problem or at least have an example to share with other programmers who might be able to help.

But not every bug can be reproduced. In fact, there’s a name for bugs that seem to defy all attempts at reproduction: Heisenbugs. There’s a great story about the Crash Bandicoot video game where the load save feature would work perfectly almost every time, but every once in a while, it would time out and wipe out the entire memory card. After six weeks of trying to debug this one issue, they were eventually able to reproduce it by wiggling the PS1 controller in a certain way to corrupt the memory card. It was one of those rare cases where the hardware was at fault.

Another frustrating type of bug is a regression. This happens when your code was working perfectly, but then something new you wrote messed it up. At a certain point, it becomes impossible for a human to verify that everything works properly after every code change.

Debugging can feel like wandering around in a dark room, trying to find a light switch. You stumble around, bump into things, and swear under your breath until you finally find the switch and turn on the light. And just when you think you’ve got everything working perfectly, along comes a new feature or bugfix that messes everything up again. It’s like trying to play Whac-A-Mole with your code.

That’s why automated testing is so important. It’s like having a team of robotic minions to play Whac-A-Mole for you, so you can focus on more important things, like making coffee or browsing memes. And when they find a bug, they sound the alarm and start sending you angry messages until you fix it. It’s like having your own personal nagging grandma, but in a good way. So don’t be lazy, write some tests, and save yourself from a lifetime of debugging nightmares.

Debugging code can be a real pain in the neck. That’s why it’s important to catch bugs before they become a big problem. One way to do this is by using TypeScript, which adds an entire type system on top of JavaScript. It’s like a babysitter for your code — it won’t let you run it if you make mistakes. Of course, TypeScript can be a big investment, so if you’re not ready for that level of commitment, try adding ESLint to your project. It’s like having a nagging friend who always tells you when you’re doing something wrong.

But even with all these tools, you’re bound to run into bugs that seem impossible to fix. That’s when it’s time to take a break. Get some fresh air, go for a walk, or maybe even enjoy a smooth and flavorful Marlboro cigarette…wait, scratch that last one. Unless your goal is to die a horrible and agonizing death, maybe skip the cigarette.

And if all else fails, remember this: in hell, the only programming language they have is Java. So keep calm, keep coding, and always keep a sense of humor.

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