• Tal won the champion of neurips2020 international competition


    Recently, the international artificial intelligence top-level conference neurips 2020 (2020 Conference on neural information processing systems, that is, the conference on neural information processing systems, hereinafter referred to as “neurips 2020”) announced the competition results. Tal AI middle platform machine learning team won a single champion, a single runner up and a comprehensive evaluation runner […]

  • Svelte code half power multiplier


    The most important indicators you haven’t noticed. be careful:original textPublished on April 20, 2019, with the continuous evolution of the framework, some contents may not be applicable. All code has bugs. The more you write, the more bugs, which is reasonable. At the same time, the more you write, the more time it takes, and […]

  • Browser cookies


    Reference article:Cookie and samesite properties of browser family Cookie introduction Why do cookies appear? HTTP is a stateless protocol (HTTP here refers to HTTP 1. X). Each request is completely independent. Each request contains the complete data required to process the request. Sending the request does not involve state change. The simple understanding is that […]

  • Understand these 9 steps, DNS access principle is clear


    It’s the recruitment season again. Two days ago, I met a small interview partner. He said that the interviewer talked with him very opportunistically, and inadvertently talked about itDNS requestIt’s a process of change. For a moment, he stopped talking and dealt with two sentences casually. Although the other party didn’t mean to ask, the […]

  • (7) Integration of spring cloud cloud service architecture – common service project construction process


    We will analyze the whole project of common service and record the whole construction process for more followers to learn. First, before building the common service of spring cloud, we need to prepare the following technologies: Maven (project building), spring boot, spring cloud, micro service concept, decentralization idea, distributed, etc. for the top-level projects of […]

  • If the U.S. blocked the root domain name server, China will disappear from the network?


    Author: Wei JianwuSource: official account number Since the United States announced the “clean network” action, the first reaction of many people who know something about the Internet is, will Americans start with the root domain name server? It’s not been a year or two. People’s daily on June 24, 2014 quoted experts as saying: “at […]

  • Tags in mybatis


    Official document: mybatis official website Several top-level elements in mapper: cache cache-ref resultMap parameterMap sql insert delete update select SELECT <select id=”selectPerson” parameterType=”int” parameterMap=”deprecated” resultType=”hashmap” resultMap=”personResultMap” flushCache=”false” useCache=”true” timeout=”10″ fetchSize=”256″ statementType=”PREPARED” resultSetType=”FORWARD_ONLY”> Note: only one of resulttype and resultmap can be selected. Resulttype can be any wrapper type / entity class; resultmap is more powerful. […]

  • Unable to exit on top level directory with preamble.. cannot be used


    Error opening page: unable to use leading.. exit on top level directory   Reason: top level directory cannot be used/ After searching, we found that there was something wrong with the site map     It’s normal to remove Or add ~ / (indicating the root directory of the application) before the address  

  • JS multi layer menu recursion


    function getTree(pid, arr, res) { for (let i = 0; i < arr.length; i++) { if (arr[i].pid == pid) { res.push(arr[i]) arr.splice(i, 1) i– } } res.map(r => { r.children = [] getTree(r.id, arr, r.children) if (r.children.length == 0) { delete r.children } }) return res } call let data = [ {ID: 1, name: […]

  • Weekly geek sharing October 2019 – week 5


    Weekly geek sharing October 2019 – week 5 1. Mr. Zhang Xiaoyu has a feeling. He said: in almost any field, the level gap between top players and excellent players is actually greater than that between excellent players and ordinary players, and it is much larger.What do you mean? For example, a Nobel Prize winner […]

  • Xie Yuan, chief scientist of pintou, was elected ACM fellow


    On December 12, the Association for computing machine, ACM (short for ACM) officially announced the list of ACM fellows in 2019, and Xie Yuan, the chief scientist of Alibaba pinhead and senior researcher of Damo academy, was elected, which also means that Xie Yuan has become the fellow of IEEE (Institute of electrical and Electronic […]

  • Autoload source code implementation of composer – startup and initialization


    Preface In the last article, we discussed the automatic loading principle of PHP, the namespace of PHP, the psr0 and psr4 standards of PHP. With these knowledge, we can write programs that can be loaded automatically according to the psr4 standard. But why do we write it ourselves? Especially with composer, the God like package […]