Tag:empty

  • Deselection of multi selection of El table of elementui and deselection of filter conflict of ref of all filters

    Time:2020-2-15

    The reason for writing this article: Nowadays, there is no same explanation form on the Internet (or on the Internet, so I can’t find it, or the big guy thinks it’s too simple to explain). However, I think this is a deep understanding of the underlying framework of Vue + element UI. (why should we […]

  • 3389 connection trace removal

    Time:2020-2-13

    @echo off Set / P FK = are you sure you want to clear 3389 connection traces? (y/n) if /i “%fk%”==”y” goto y if /i “%fk%”==”n” goto n call %0 :y reg delete “HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client” /f del /a /f /q %HOMEPATH%\Documents\Default.rdp Echo command executed successfully. Please check whether it is cleared manually. pause >nul […]

  • Batch file copy in WinForm (with code download)

    Time:2020-2-7

    scene Effect     Drag the files to be copied in batch to the form, click the bottom to select the target folder, and then click the copy button.     Note: Blog home page:https://blog.csdn.net/badao_liumang_qizhi Pay attention to the public addressDomineering procedural apeGet programming related ebooks, tutorials and free downloads. Realization Create a new form […]

  • Release easydoc Version 1.2.1, a simple and fast document generation tool

    Time:2020-2-3

    About easydoc Easydoc is a simple and fast tool for generating documents.Just a software file! It comes with you, no installation, no other dependence.Support Microsoft, apple, Linux and other operating systems. Easydoc official website https://easydoc.089858.com Easydoc Download https://easydoc.089858.com/do… Version 1.2.1 update log Support to start web service and its command New command to empty the […]

  • Token refresh mechanism of Axios interceptor under Vue

    Time:2020-2-2

    //Create the http.js file. The following is the specific code: // introduce the installed Axios plug-in import axios from ‘axios’ import router from ‘@/router’; import Vue from ‘vue’ const qs = require(“qs”); let _this = new Vue(); let isLock = false; let refreshSubscribers = []; //Determine whether the token expires function isTokenExpired(token) { let expires_time […]

  • The mobile terminal uses JQ to monitor keyboard events and enter to search

    Time:2020-1-26

    1. Input box type is set to search < input type = “search” class = “mobile search input” placeholder = “search” > 2. Listening to keyboard events $(“.mobile-search-input”).on(‘keypress’, function (e) { If (e.keycode = =’13 ‘) {// press enter e.preventDefault(); /*********/ } }); 3. Remove the clear button in the search box .mobile-search-input::-webkit-search-cancel-button { display: […]

  • Pyqt clears all branch methods under a qtreeewidgetitem

    Time:2020-1-23

    1. Circular deletion #This is the processing when I select one of the branches for the right-click clear operation for i in range(self.tree.currentItem().childCount()): self.tree.currentItem().removeChild(self.tree.currentItem().child(0)) As mentioned above, a branch is removed circularly. The above pyqt clears all the branch methods under a qtreeewidgeitem, which is all the content that Xiaobian has shared with you. I […]

  • Pyqt realizes the function of copy, select all and clear in the menu

    Time:2020-1-18

    Inheritance relationship of text operation of pyqt: QTextBrowser ( QtGui.QTextEdit) Qtextedit has the following functions: Copy() copy Selectall() select all Clear() clear Although it can be realized by cursor selection, it is more convenient to directly call the method of the parent class, including shortcut keys. The above pyqt realizes the function of copying, selecting […]

  • sql server

    Time:2020-1-15

    Clear table data command truncate table user This command will clear the identification and reset it together

  • Read the touch module of zepto source code

    Time:2020-1-14

    As we all know, for historical reasons, the click events on the mobile terminal will have300msLeft right delay,ZeptoOftouchThe module solves the problem of mobile terminal click delay and provides slidingswipeEvent. Reading the zepto source series has been put on GitHub. Welcome to star: reading zepto Source version The source code of this article is zepto1.2.0 […]

  • General IO model of [golang system programming]

    Time:2020-1-2

    All system calls that perform I / O operations use a non negative integer (file descriptor) to describe open files (files, pipes, sockets, terminals, devices). Three common file descriptors: File descriptor purpose POSIX name Stdio flow 0 Standard input STDIN_FILENO stdin 1 standard output STDOUT_FILENO stdout 2 Standard error STDERR_FILENO stderr Four system calls of […]

  • Spring boot 2. X (7): Spring cache usage

    Time:2019-12-27

    Introduction to spring cache In spring 3.1, multi cache support is introduced, which is defined in the spring context packageorg.springframework.cache.Cacheandorg.springframework.cache.CacheManagerTwo interfaces to unify different caching technologies. Cache interface contains common operations of cache: add, delete, read, etc. CacheManager is an abstract interface for spring’s various caches.The common cachemanagers supported by spring are as follows: CacheManager […]