Category:Program

  • Analysis of the life cycle of redis command execution

    Time:2020-8-14

    baiyan introduce First of all, let’s take a look at the redis command execution diagram that we are very familiar withConsider this question. After connecting to the redis server, enter and execute a redis command, such as set key1 value1. How is this command sent to the redis server? How does the redis server parse, […]

  • Xiaobai’s Python crawler (4): preparation (3) introduction to docker

    Time:2020-8-14

    Life is short, I use python Previous portal: Xiaobai’s Python crawler (1): Opening Python crawler (2): preparation (1) installation of basic class library Learn Python crawler (3): preparation (2) introduction to Linux Docker Foundation First of all, just a day before the writing of this article, mirantis announced the acquisition of docker’s enterprise business and […]

  • Wechat game API calls Egret

    Time:2020-8-14

    Revision of the official website of Yezi E-sports https://www.xxe.io/ Brand newIn egret, you can directly call the API of wechat games. With platform code added in egret, you can call various platform APIs. The new project will find that the SRC folder contains a Platform.ts If not, please create. /** Platform data interface.Since each game […]

  • A series of data operations

    Time:2020-8-14

    Preface In previous articles, we learned how to use ADO.NET Access database, how to modify and add data. How to get data through dataset and DataAdapter, we will try to implement a simple ORM framework or ORM tool class in this article. Related knowledge points: Reflection (primary) ADO.NET Existing knowledge 1. ORM So, the question […]

  • Inside story of showmebug core technology

    Time:2020-8-14

    Showmebug is a remote interview tool that allows both parties to communicate in real time through an online interview board. So the key technology is “real-time synchronization”. For real-time synchronization, showmebug uses the following techniques. Ot conversion algorithm In essence, the core of showmebug is multi person online real-time editing, and that’s the difficulty. Due […]

  • The most complete collection of Android interview questions in history

    Time:2020-8-14

    Link to the original text: https://blog.csdn.net/xiangzhihong8/java/article/details/96280254 Basic knowledge of Android 1. General knowledge points1. Android class loaderIn Android development, both plug-in and component-based are designed based on the class loader classloader of Android system. However, the virtual machine on Android platform runs DEX bytecode, a product of class file optimization. The traditional class file is […]

  • Flex layout is learning and using

    Time:2020-8-14

    preface Flex is the abbreviation for flexible box, meaning “flexible layout”, which is used to provide maximum flexibility for the box model. It provides powerful spatial distribution and alignment between the child elements of flexbox. Flex layout is the preferred solution for today’s layout. This article will introduce the basic properties of flexbox and feel […]

  • JQuery – learning Day1

    Time:2020-8-14

    JQuery – Basic Learning What is jQuery? JQuery is a JS library, which encapsulates the functions of native JS(method)The purpose is to simplify the code amount of native JS and improve the efficiency.JQuery aims at:Write Less,Do MoreWrite less, do more! Basic use of jquery 1. JQuery Download Two ways are provided Enter the official website […]

  • HTML Basics

    Time:2020-8-14

    HTML Basics The history of HTML: HTML, XHTML Global attribute of HTML: global standard attribute, global event attribute HTML elements: Markup language is a kind of computer text coding that combines text and other information related to text to show the details of document structure and data processing. Html is a hypertext markup language. XHTMLIs […]

  • Deeply understand the principle of go channel and select

    Time:2020-8-14

    The two most attractive aspects of go are goroutine, which is channel. At the same time, I have been wondering how to implement select? As in my previous article, some irrelevant code is omitted 1. Structure overview 1.1. hchan This is the structure of channel type hchan struct { Qcount uint // total amount of […]

  • [share] apipost common method collection of pre (post) execution script

    Time:2020-8-14

    This paper mainly introduces the common response parameter variables and common method sets in the pre execution and post execution scripts of API post. About apipost: Apipost is an API debugging and management tool that supports team collaboration and can directly generate documents. It supports simulating post, get, put and other common requests. It is […]

  • The most common JavaScript interview questions and answers in 2019

    Time:2020-8-14

    The year 2019 has passed, and the interview peak in 2020 is coming again. After the study and interview experience in 2019, the following are some of the most common interview questions. What is coercion in JavaScript? Difficulty: simple In JavaScript, the conversion between two different built-in types is called coercion. Forced transformation has two […]