Programmer Think

// getCommands func getCommands() []cli.Command { command := cli.Command{ Name: "web", Usage: "run web server", Action: runWeb, Flags: []cli.Flag{ cli.StringFlag{ Name: "host", Value: "0.0.0.0", Usage: "bind host", }, ...

SummaryFirst, synchronize the following project overview:In the previous article, we used go modules to initialize the project. In this article, we share:Planning directory structureModel binding and validationCustom validatorMake API return structureDon't talk too much. Let's start.Planning directory structure  ├─ go-gin-api │ ├─ a ...

Continuous integration and deployment is an important part of DevOps. Jenkins is a very popular tool for continuous integration and deployment. Recently, I tested Jenkins and found that it is the most complex tool I have used for some time. One possible reason is that it needs to be integrated with various other tools to complete the task, and ...

It has been more than two years since I unknowingly used Go to develop. The experience summary of the preparation point is convenient for later students to get started quickly. outline 1. Go installation 2. Go ide building 3. Go modules module management     4. Go unit test 5. ...

In the first two lessons, we used a lot of regular expressions to match the city list, city and user information. In fact, in addition to regular expressions to match, we can also use goquery and xpath third-party library to match useful information. And I used more elegant regular expression matching. Let's talk about regular expressions. For ...

Today, I'd like to talk a little bit about JSON data processing. In recent work, because we want to update the database data to elastic search in real time, we encounter some problems of JSON data processing in practice. real-time data The real-time data acquisition is realized by the open-source canal component of Alibaba, and transmitted to t ...

Premise: Amazon cloud has been configured to start. The inbound policy of security group is as follows: The outbound strategy is as follows: After logging in to EC2, only EC2 user can log in by default, and then switch to root: sudo su Prompt for installing docker no package docker available using yum. yum install docker -y resolvent:Add CentOS ...

case For example, there is a GET interface that allows batch access to user information (1) > curl 'http://localhost:8080/user/1,2,3' [ { "user_id":1, "other_suff":... }, { "user_id":2, "other_suff":... }, { "user_id":3, "other_suff":... } ] At the same time, we need to ...

Theme of this article: Implementing Golang template rendering based on built-in text/template, and writing the results to files, screens and variables. Little slow brother's original article, welcome to reprint. Catalog Defining StructuresDefine template textTemplate Rendering and Output ModeComplete examples Defining Structures First, defi ...

I was aware of the question before: Why doesn't Golang have the same functionality as in Python?So, after searching this question, we found that many people still have such questions. Let's talk about this topic today.If you find this article helpful, thank you! In is a very common function and may be called contains in some languages. Although ...