• Modify user information changeinfo


    When judging the persistence layer: Problem: there is such a problem when modifying user information. For example: the user’s email is not required. It was not empty originally. At this time, the user deletes the mailbox information and submits it. At this time, if it is not empty to judge whether it needs to be […]

  • Windows get CPU, memory, and disk usage scripts


    Reprinted from: https://blog.51cto.com/luweikai/1904427 reference resources: http://www.51testing.com/html/85/87885-17546.html    https://www.cnblogs.com/wtao/archive/2011/09/16/2178760.html   Get the CPU utilization script (VBS) and save it as CPU vbs: 1 On Error Resume Next 2 Set objProc = GetObject(“winmgmts:\\.\root\cimv2:win32_processor=’cpu0′”) 3 Wscript. Echo “CPU usage:” & objproc LoadPercentage & “%” Get the memory usage script (VBS) and save it as RAM vbs: 1 strComputer = […]

  • Ggtree drawing high-end evolutionary tree


    Phylogenetic tree is almost a necessary map for gene family articles. A good-looking tree map can really add a lot of color to the article. Ordinary users may only use Mega drawing, and those who are more advanced will use two online drawing platforms such as itol and evolview. However, this is not the focus […]

  • Fluent callback and multiple request dependency processing


    Only take important notes of flutter 1. Multiple request dependencies are only used to perform other operations after multiple asynchronous operations are completed. The key syntax is:Future.wait[], “wait“The array passed in asynchronous operation will be called only when all the results are returned.then()method Future.wait([ //Return results in 2 seconds Future.delayed(new Duration(seconds: 2), () { return […]

  • How does spring cloud gateway dynamically add request parameters?


    Background introduction The technology stack used in the project is spring cloud. There are two functional requirements: In terms of business, the service of spring cloud gateway module has been able to obtain the token, and the identity information has been obtained from the token after authentication; Now I want to fill the identity information […]

  • Springboot + flowable quickly realizes workflow, so easy!


    recommend:Spring microservice distributed architecture: “a drop of travel” project practice + interview summary (with a full set of interview questions MD document + project source code + white paper) background Use the flowable UI that comes with flowable to make the flow chart Use the interface used by the springboot development process to complete the […]

  • Crawler series: using API


    Application programming interface (API): it provides convenient and friendly interfaces for different applications. There is no problem for different developers to write software in different architectures or even different languages – because the purpose of API design is to become a communication language for different software to share information. Although different software applications have different […]

  • Mybatisplus multi table connection query


    Logo picture ppt backplane 16_ 9 2.001. png 1、 Preface (1) Background content The most common selection component of Dao layer in software application technology architecture is mybatis. Friends who are familiar with mybatis know how beautiful mybatis was in the past. XML files are used to solve the problem of complex database access. Today, […]

  • Agricultural products supply chain is designed based on blockchain architecture


    Agricultural products supply chain is designed based on blockchain architecture background        After the sudden outbreak of COVID-19, the “production purchase sales” mode of agricultural products dominated by traditional farmers’ markets was suspended, and the unstable supply and marketing channels led to sharp fluctuations in the supply quality of agricultural and sideline products and […]

  • Codeless software integration helps the retail industry improve work efficiency and customer satisfaction


    1、 Challenges to customer service in mobile Internet Environment With the continuous improvement of people’s living standards, customers’ awareness of rights protection has become stronger and stronger. In addition to paying attention to the quality of goods, we also pay attention to the services provided by businesses. At the same time, many businesses also realize […]

  • Format of GIT submission information


    GitThe format of information submission shall meet the following requirements:/^(revert: )?(feat|fix|docs|dx|style|refactor|perf|test|workflow|build|ci|chore|types|wip|dep)(\(.+\))?: .{1,50}/regular expression Examples The following submission information appears inFeaturesHeadline,compilerUnder sub heading: feat(compiler): add ‘comments’ option The display is as follows: Features compiler: add ‘comments’ option The following submission information appears inBug FixesHeadline,v-modelUnder the sub heading, follow#28Links to questions: fix(v-model): handle events on blur close […]

  • Inspur information joined, and the compatibility verification with dragon lizard operating system products has been completed


    Recently, Inspur Electronic Information Industry Co., Ltd. (hereinafter referred to as “Inspur information“) signed cla (contributor license agreement) and officially joined openanolis. Inspur information is the world’s leading provider of IT infrastructure products, solutions and services for data centers. Focusing on smart computing investment represented by cloud computing, big data and artificial intelligence, Inspur information […]