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This article introduces the relevant knowledge of "what are the necessary skills of programmers in 2021". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Git

Any programmer or software developer must fully understand the distributed version control system Git, because you need to update your code every day, and to be a better developer, you should also understand basic concepts such as branching and merging.

In today's world, Git and GitHub have become synonymous with source control repositories and version control tools. This is by far the most important tool for programmers, which is why I recommend that every programmer learn Git and GitHub really well.

If you are a beginner or programmer who wants to improve his Git knowledge, it is recommended that you read "Git Magic". This book is written by Ben Lynn, who graduated from Stanford University with an CS major. In this book, he will introduce the features of Git. After repeated application, you will gradually understand how each tip works and how to combine them to meet your needs. The key is to have a Chinese version.

Translation address of the Chinese version of "Git Magic": https://github.com/blynn/gitmagic

2. SQL

This is another essential tool or programming language that every programmer should learn. SQL is actually a standard query language, and by using SQL, you can read, update, and delete data from tables.

Because we use databases everywhere in the real world, programmers should have a good understanding of SQL. In addition to knowing basic commands such as SELECT,INSERT,UPDATE and DELETE, programmers should also know how to write complex queries using joins, aggregate functions, subqueries, and other advanced features.

If you are not familiar with SQL, or if you want to take your SQL skills to a new level, then the SQL basic tutorial and the SQL Advanced tutorial are for you.

3. Python

Although I am a Java programmer, I still suggest that everyone can learn Python for a reason. Python is a powerful advanced object-oriented programming language with many uses.

You can create large applications like Java, and you can also use Python to create useful scripts to automate actions. It also has many modules that make almost everything possible, from accessing the file system and developing Web applications to machine learning.

If you want to learn Python, "Python programming: from beginner to practice" is very good.

4. Docker

Docker is a game changer because it simplifies the process of running any application. With Docker images and containers, you can easily deploy Java microservices or C + + applications, and most importantly, you can extend them as easily as you start a process.

With Docker, all your development work will be easier, and here, it is highly recommended that you read the first Docker book.

5. Kubernetes

This is another popular tool in the cloud computing world because it makes it very easy to extend applications. Gone are the days when you needed to buy a server, build an infrastructure on it, and then spend weeks deploying your application.

With Kubernetes and Docker, you can easily expand your application to handle heavy traffic and save money when traffic returns to normal. Kubernetes takes the capabilities provided by Docker to a new level by automating the extension process and makes it a favorite tool in today's cloud native world. If you want to learn Kubernetes, I suggest you read "Kubernetes in Action"

6. VS code

Every programmer should know a text editor very well. Software developers do a lot of text processing and know that text editors will always be helpful.

In addition to NotePad (an excellent, ubiquitous basic text editor), I encourage programmers to learn some advanced text editors, such as VS Code or NotePad + +.

7. Linux command

Like SQL, the Linux command is another essential tool for programmers. This is a skill that every programmer must have. If you are not familiar with the Linux command, you must take some time to learn it. It is recommended that you refer to the Linux Command Quick check Manual.

8. API test

Now that the world is dominated by API, Postman plays a vital role in testing and using API. Whether you are developing REST API or GraphQL API, you need a tool to connect to and browse the API, and then develop a client for it or publish it to the client, and Postman is the best tool for testing API. If you are a Web developer or an application developer, it is strongly recommended that you learn Postman.

9. AWS

Cloud computing is sweeping the world, and most companies are moving to the cloud, whether startups or large investment banks with a history of 100 years, are moving to the cloud to improve scalability, high availability and reduce costs.

AWS is the oldest and largest public cloud provider. Knowing AWS is key for any developer. It lets you know how to build and deploy applications without buying a server. If you only learn one thing this year, then I must choose AWS.

This is the end of the content of "what are the skills necessary for programmers in 2021". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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