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Learning Go language from scratch: environment configuration is no longer an obstacle

王林

Feb 21, 2024 pm 02:12 PM

go languageZero-basednetwork programmingEnvironment configurationlearn go language

Learning Go language from scratch: environment configuration is no longer an obstacle

Go language is a statically typed, compiled programming language developed by Google. It has a unique position among modern programming languages and is widely used in cloud computing, network programming, big data and other fields. As the Go language becomes more and more popular, more and more programmers are beginning to learn the Go language, hoping to master the features and application skills of this language. However, for learners with zero foundation, the environment configuration of Go language often becomes the first obstacle to their learning.

Before learning the Go language, we first need to build a suitable learning environment. The official website of Go language provides installation packages for different operating systems. We can download the installation packages directly from the official website for installation. In addition, you can also install the Go language compiler and related tools through package management tools. For example, use Homebrew to install the Go language:

brew install go

Whether it is through the official installation package or the package management tool, installing the Go language is not complicated. , but for novices who have no programming foundation at all, they may still encounter some problems. Below, I will share some environment configuration problems and solutions that may be encountered when learning the Go language from scratch.

1. Lack of environment variables

After installing the Go language, some operating systems may not automatically configure the environment variables of the Go language, so when running the Go command on the command line, " command not found" error. At this time, we need to manually add the Go language installation directory to the environment variable.

In Linux and Mac systems, you can edit the ~/.bashrc or ~/.bash_profile file and add the following content to it:

export PATH=$PATH:/usr/local/go/bin

In Windows systems, you can add environment variables through the following steps: Right-click "Computer" -> "Properties" -> "Advanced System Settings" -> "Environment Variables" -> Add in "System Variables" The installation path of Go language.

2. Proxy problem

In some cases, we may encounter network connection problems when downloading the Go installation package or installing dependency packages. This is often due to network proxies. There are many ways to solve this problem, one of which is to set up a proxy:

export GOPROXY=https://goproxy.io,direct

Please choose the appropriate proxy address according to the actual situation. After setting up the proxy, run the relevant commands again and you should be able to download the required packages normally.

3. Version compatibility

The Go language may have some functional or syntax differences between different versions. If the documents or tutorials we refer to during the learning process are for older versions Go language, it may cause the code to fail to compile or run normally. Therefore, when learning Go language, it is recommended to refer to official documents or tutorials to ensure that what you learn is compatible with the current version.

Conclusion

Through the above introduction, we can see that when learning Go language from scratch, environment configuration may become an obstacle. However, as long as we understand common environment configuration problems and solutions, we can easily set up an environment for learning Go language and make the learning process smoother. At the same time, we must continue to learn and practice in order to better master the characteristics and application skills of the Go language. I believe that with the deepening of learning, the Go language will open up a new programming world for us, allowing us to apply it more easily to solve practical problems.

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