Programmer Think

1. json JavaScript object notation The JSON module provides an API similar to pickle, which can be represented linearly and is called JavaScript Object Notation (JSON).Unlike pickle, JSON has one advantage: it has multiple language implementations (especially JavaScript).JSON is most widely used for communication between Web servers and clients ...

Swoole It is an excellent PHP extension, which can realize the resident service and asynchrony that native PHP is difficult to achieve. Just in time, I had a project on Laravel that I could toss about, so I studied it. Laravel project is based on composer, so I post the require declaration in my composer.json:   { "require": { "ph ...

The TronTool development package is suitable for rapidly increasing the support ability of Tron/USDT-TRC20 digital assets for PHP applications, that is, it supports the application scenarios using its own Tron blockchain nodes, and also supports the lightweight deployment scenarios based on the official public API services of Tron. Official dow ...

Build an internal Ansible automated management platform from scratch - Chapter 1 1. Background; With the rapid technological iteration of lower and middle-level enterprise technologies and the popularity of micro-service distributed architecture, it is difficult for traditional operation and maintenance systems to initialize systems, deploy e ...

Note summaries This paper takes Spring Boot using fastjson instead of the original JSON framework as an example to show how Spring Boot uses the third-party JSON framework. Spring Boot uses custom JSON framework methods Method 1 Introducing dependency into pom.xml; Inherit WebMvcConfigurerAdapter from the App ...

Getter learning of Vuex    to derive some states from the state in the store, Vuex allows us to define "getter" (which can be considered as the calculation property of the store) in the store. Just like calculating properties, the return value of getter will be cached according to its dependency, an ...

Elasticsearch geographic location information maintenance and retrieval case sharing 1. Preparation Reference documents< Introduction of high performance elastic search ORM development library >Import and configure es client to project 2. Define mapping with geographic location type Create a city index table structure, the type of f ...

Android integrated native wechat authorization to obtain user information login What I use in the project is to click a button to initiate wechat authorization request. First, determine whether to install wechat. If wechat is installed, authorize users. After the authorization is successful, obtain user information such as ope ...

In the past, I didn't touch the complicated nested json data, but I returned some simple json data. Recently, I learned some knowledge about JSONObject and JSONArray. Transformation relationship between json object and array of json objects var jsonStr = "{\"userId\":\"001\"}"; // json object string var jsonArrySt ...

1, Implementation of UI interface This is not difficult, because the teacher gave us the renderings in advance, but one of the more complex points is to realize the image sliding, that is to use a Viewpager in the fragment to realize the image sliding. 2, Set ip address: The code is as follows public static Stri ...