Programmer Think

1.jwt Introduction Introduction is partly reproduced from Ruan Yifeng's Introduction to JSON Web Token Tutorial 0.session login 1. Users send user names and passwords to the server. 2. After the server is authenticated, save relevant data in the current session, such as user role, login time and so on. 3. The server returns a session_id to the ...

Completing Kubernetes binary deployment step by step (I) -- etcd cluster building (single node) Preface The basic theory and core components of Kubernetes are briefly introduced. The first step of deploying Kubernetes cluster with single node and binary system is to build etcd cluster experiment flow. List of cluster planning (the next article ...

1. maven introduces dependency <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.3</version> </dependency> <dependency> <groupId>javax.websocket</groupId> <artifactId>javax.websocket-api</art ...

In general, we use es to build an index by creating an index, defining the fields in the index and the mapped types, and then importing data into the index. Dynamic mapping is a very important concept in ES. You can directly import a piece of data into the document. At the same time, index, field and field type will be created automatically wit ...

(1) A simple version of redux is written in. The tests are all directly based on the command line output. Obviously, this is unscientific So you need to write tests, so. I chose jest. The introduction on the Internet is as follows . Configure simple test environment according to official documents npm install --save-dev jest Add th ...

Today, I started to learn small programs. I started to write apps in my own order. I didn't follow official wechat documents. Some of the controls are a combination of official and online code shared by other students. Basic overview In this part, look at the official website to find out about the composition of the architecture page of the app ...

WebMagic configuration: http://www.cnblogs.com/justcooooode/p/7913365.html Crawling target Recently, we need to analyze some domain concepts, choose to use Baidu Encyclopedia to crawl corresponding terms, and get information and knowledge from them. I divide the query results into two categories, one is included in the encyclopedia, the othe ...

introduction: Audio is an audio component of wechat applet, which can easily play / stop audio and other customized actions in the applet.Attached is the description of the properties of the audio component of the wechat applet: https://mp.weixin.qq.com/debug/wxadoc/dev/component/audio.html This time, through the post, name, author, src, id, ...

Problem description Often swim in the ocean of Linux files, often need to find all the files after a certain time. Maybe you're packing them, or maybe you're just checking. The question is, what do you do if you want to write a script find-newer and put it on the server? target With a command like this, you can fi ...

After a few days of trying and learning, I have encapsulated my first js component, there are many shortcomings, please give me some advice. Because of some business needs, we need to add some labels to the pictures, find some on-line but can not meet the needs, and there are some bug s, too many pits So I have the idea of encapsulating one by ...