10 Typical Mistakes in Programming and Coding

Programming and coding is a kind of art. If you are a programmer, you are sure about this statement. It’s a long process that never ends. With every step of self-improvement, you feel that your code could be better. If you are a beginner or even a middle, your programming is not that flawless. So it is a good idea to use, for example, AssignmentCore.com as a professional programming homework helper available 24/7 for doing coding assignments online. If you are not a beginner but want to save time, it will be useful too. Anyway, there is a list of typical mistakes for every level of specialist that can be helpful in different situations.

Mistake #1. Ignoring an Existing Writing Style

There exist typical styles and rules for every language and every company. It is important to follow them because a lot of programmers write code for one project, and it is excellent if the entire code looks similar. It is also helpful if you need to find mistakes or change some parts.

Mistake #2. Forgetting to Add Comments

This mistake is dangerous for the future. It is more straightforward to explain in a few words what this part of the code is doing than to read it and try to understand it in the future. If you want your future colleagues to be thankful, leave them simple comments.

Mistake #3. Coding Using Long Hard Functions

Try to write as simple as possible. Newbies try to put a lot of procedures into one function and later can’t find the end and the beginning of their job. A code that is simple for understanding is the best at all times. It’s like a math solution. The simplest is the best.

Mistake #4. Coding Without General Plan

It is a universal mistake, especially if you work with the team. There should be a plan and a schedule that is obligatory to follow, or you can miss all deadlines.

Mistake #5. Forgetting to Use or Ignoring a Debugger

It is a huge mistake not to use this instrument for help. Don’t forget that more experienced programmers wrote it, and they took into consideration more variants of possible deviations than you can.

Mistake #6. Not Making Backups

There should be a rule and reminding that will keep doing backups. You should stop working and writing even a line of code before you save what has been done already.

Mistake #7. Not Creating Documentation

It is a common mistake for self-employed programmers. They do their job and create great code, but don’t leave any documentation. In big companies or teams, documentation is an obvious step, and a leader always follows this question, but you just a beginner, you have to manage yourself in this question.

Mistake #8. Not Considering Exceptions

When you have a task from the customer, it is possible that later, he will correct it by adding some exceptions. Your code must be ready for this surprise and be very flexible for any changes that include exceptions.

Mistake #9. Forgetting Checking and Validating of Users Input

If you have a field for the user where he must type his age, don’t forget to validate an option when he puts letters, not numbers. Users must be limited in every step and not because they are stupid, but because they can think another way than the developer.

Mistake #10. Incorrect Using of Global Variables

There is a habit of declaring all variables as global. It seems that there will be no problem with it, but it is wrong. There are a lot of examples that show and explain what is wrong with this decision and how to declare them in a better way. The main rule is not to declare a variable global if it is not global.

Here we tried to provide you with a list of common mistakes and some comments to them. It is a great goal to be the best, but you should begin somewhere, so use the list not to repeat them.

 

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