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You’re a software developer. How can you make sure your code is bug-free?

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As a software developer, you know how important it is to deliver high-quality code that works as intended and meets the expectations of your clients and users. However, no matter how skilled or experienced you are, you can never guarantee that your code is bug-free. Bugs are inevitable and can cause serious problems such as errors, crashes, security breaches, or poor performance. That's why you need to adopt some best practices and tools to minimize the risk of bugs and detect and fix them as soon as possible. In this article, we'll share six tips on how you can make sure your code is bug-free, or at least as close as possible.

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Hareesh Mohan

Lead Technical Consultant @ Capgemini | Salesforce Development Specialist
Umeshkumar Jain

? Founder & CEO | ?? Helping in Software Development | 15% in Fintech | 25% in sports and healthcare | 60% in…

1 Use a coding standard

A coding standard is a set of rules and guidelines that define how you should write, format, and organize your code. It helps you to maintain consistency, readability, and clarity across your codebase, which makes it easier to debug and refactor. A coding standard also helps you to avoid common errors and bad practices that can lead to bugs, such as using ambiguous names, hard-coding values, or ignoring edge cases. You can use an existing coding standard, such as PEP 8 for Python or PSR for PHP, or create your own based on your preferences and needs. You can also use tools like linters or code analyzers to check and enforce your coding standard automatically.

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Umeshkumar Jain

? Founder & CEO | ?? Helping in Software Development | 15% in Fintech | 25% in sports and healthcare | 60% in Customized softwares and automation |???Top Voice
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The use of coding standards ensures that the code is consistent and follows best practices, which reduces the chances of errors and bugs

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Mario Daniel Cornejo Linares

Developer Senior | Oracle | C/C++ | Pro*C
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El tener un standard de codificacion ayuda a la revision de errores a futuro, facilita identificar errores de sintaxis, pero, existen otro tipo de errores que se evitan con otras soluciones.

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2 Write tests and run them often

Tests are pieces of code that verify that your code behaves as expected under different conditions and scenarios. They help you to catch bugs early, before they cause more damage or become harder to fix. Tests also help you to ensure that your code meets the requirements and specifications of your project, and that it doesn't break when you make changes or add new features. You should write tests for every unit, function, or component of your code, as well as for the integration and interaction of different parts of your system. You should also run your tests frequently, preferably using a continuous integration tool that automates the process and reports the results.

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Hareesh Mohan

Lead Technical Consultant @ Capgemini | Salesforce Development Specialist
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Write automation unit tests with plenty of asserts to ensure that the code is behaving as expected. Automation is the key. Yes it is a bit hard to manage but will pay off in the long run! Ensure that the test suite includes tests for modules that are indirectly linked to the module you are currently focusing on.

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3 Use a version control system

A version control system is a tool that tracks and records the changes you make to your code over time. It allows you to create and switch between different versions or branches of your code, which can help you to experiment with new ideas, implement new features, or fix bugs without affecting the main or stable version. A version control system also helps you to collaborate with other developers, as you can share, merge, or compare your code with others. Moreover, a version control system enables you to revert or undo your changes if you introduce a bug or make a mistake. You should use a version control system such as Git, SVN, or Mercurial for every project you work on, and commit your changes regularly and with clear messages.

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Mario Daniel Cornejo Linares

Developer Senior | Oracle | C/C++ | Pro*C
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Llevar un control de versiones es imprescindible en entornos de desarrollo con varios desarrolladores. Es muy importante "cuidar" las versiones y los cambios para evitar errores repetitivos, demoras en encontrar problemas y conflictos en el equipo de desarrollo.

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4 Review your code and get feedback

Reviewing your code and getting feedback from others is a great way to improve your code quality and find bugs that you might have missed or overlooked. You can review your own code by reading it carefully, checking for errors, inconsistencies, or redundancies, and applying the principle of DRY (Don't Repeat Yourself). You can also use tools like code review platforms or code quality metrics to get insights and suggestions on how to improve your code. However, reviewing your own code is not enough, as you might be biased or blind to your own mistakes. That's why you should also ask for feedback from other developers, either by doing peer reviews, pair programming, or code reviews. They can offer you a different perspective, point out errors or flaws, or propose better solutions or alternatives.

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Mario Daniel Cornejo Linares

Developer Senior | Oracle | C/C++ | Pro*C
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La revision de pares es una herramienta muy util para detectar problemas de logica y mejorar el performance del programa. Es importante tomar en cuenta que los desarrolladores deben de tener un criterio justo y sin sesgo, siendo profesionales en la revision y recomendacion de las correcciones o mejoras independientemente de quien es el desarrollador.

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5 Debug your code systematically

Debugging is an essential process for finding and fixing bugs in your code, even though it can be quite frustrating and time-consuming. To debug effectively, you should follow a systematic approach that helps you to identify, locate, and resolve the problem. As a general guide, you can reproduce the bug by recreating the conditions and inputs that cause it to appear, and observing the output and behavior of your code. Then, you can isolate the bug by using tools like breakpoints, print statements, or debuggers, or by using the divide and conquer method. After that, you can modify your code to correct the error or flaw that causes the bug and test it to verify that the bug is gone and no new bugs are introduced. Finally, document the bug by recording details such as the cause, symptoms, solution, and date. This can help you to prevent or solve similar bugs in the future or share your knowledge with other developers.

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6 Learn from your bugs

The last tip on how to make sure your code is bug-free is to learn from your bugs. Bugs are not only problems, but also opportunities to improve your skills and knowledge as a developer. Every bug you encounter and fix can teach you something new, such as a new concept, a new technique, a new tool, or a new best practice. You can also learn from the bugs of other developers, by reading their code, their bug reports, or their solutions. By learning from your bugs, you can avoid repeating the same mistakes, enhance your code quality, and reduce the likelihood of bugs in the future.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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You’re a software developer. How can you make sure your code is bug-free?

1

2

3

4

5

6

7

1 Use a coding standard

2 Write tests and run them often

3 Use a version control system

4 Review your code and get feedback

5 Debug your code systematically

6 Learn from your bugs

7 Here’s what else to consider

System Development

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You’re a software developer. How can you make sure your code is bug-free?

1

2

3

4

5

6

7

1 Use a coding standard

2 Write tests and run them often

3 Use a version control system

4 Review your code and get feedback

5 Debug your code systematically

6 Learn from your bugs

7 Here’s what else to consider

System Development

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