• USB not recognized? Simple and detailed driver installation tutorial!


    Link to the original text:https://xiaoheidiannao.com/articles/Driver-Program.html catalog introduce Install driver introduce Device driver (device driver) for short, is a kind of device driver that can make theoperating systemandHardwareThe special program for data interaction between devices isoperating systemandHardwareThe interface between,operating systemOnly through this interface can we control itHardwareThe work of the equipment, if aHardwareThe driver for is […]

  • New toys under mac


    tools zshWhy do we need Zsh? Because it is faster and more convenient to prompt and complete the code, everyone’s energy is limited. If you can type a letter, you will never type the second. plugins=(git brew mvn svn svn-fast-info sbt go pip zsh-syntax-highlighting npm) vimVIM was seen when I was a sophomore studying the […]

  • Events and multi components of angular2 learning notes


    Components inevitably interact with users, and the most frequently used interaction is click event interaction.angular2-demo 1、 Click event Code interpretation 1. ClickEvent.ts import {Component} from ‘@angular/core’; import {BasicComponent} from ‘./../basic/Basic’; @Component({ selector:’click-event’, styles:[require(‘./ClickEvent.scss’)], template: require(‘./ClickEvent.html’), Directives: [basiccomponent] // components to be referenced }) export class ClickEventComponent{ showMsg():void{ console.log (‘click event triggered ‘); Alert (‘click event […]

  • How to use keyboard shortcut to move and close browser window?


    Are you envious of the great gods who can control the computer without a mouse? In fact, you can also become the God of Oh, every day a little keyboard knowledge learning, and Xiaobian together to learn, you can become a master. 1. Open the browser and use 360 here. First of all, learn how […]

  • 020_ Java process control


    catalog Java process control Scanner object The scanner class is used to get user input java.util.Scanner Jdk5 next() nextLine() nextInt() nextDouble() Sequential structure Selection structure If single choice structure If double selection structure If multiple choice structure Nested if structure Switch multiple choice structure Cyclic structure while Loop Dead cycle Do… While loop The difference […]

  • Numeric keyboard with decimal point under IOS


    problem In business development, we often encounter the problem of pop-up numeric keyboard. The product side hopes to pop up the pure numeric keyboard with decimal point.The following code: <input type=’number’/> In Android can pop up numbers and decimal point keyboard, and automatically shield illegal characters, very perfect.But IOS is not a pure numeric keyboard, […]

  • Windows 10 uses screen keyboard


    Link to the original text:http://xiaoheidiannao.com/articles/Screen-Keyboard.html More computer skills can be found at:http://xiaoheidiannao.com/articles/Screen-Keyboard.htmlCheck it out catalog introduce Typing mode Numeric keypad Opening method introduce The screen keyboard comes with windows 10Software, which allows users tomouserealizationkeyboardThe function of. On screen keyboardwindowWill be displayed at the top of the screen, otherSoftwarewindowIf it overlaps with the screen keyboard, it […]

  • How to operate multiple computers with a set of keyboard and mouse?


    Sometimes we need more than one computer to do things, especially for programs. One computer is not enough. Let’s use two computers, two mice and two keyboards. I’m crazy about using them.. Let’s share how to control two computers with one mouse and one button. Software name: Microsoft mouse without borders v2.1.5.1103 Software size: 450KB […]

  • [development experience] button monitoring with flutter


    In development, sometimes it is necessary to monitor key events, which is supported by flutter itself and does not need to be implemented in the underlying platform native code. Flutter monitors key events of mobile phone / remote control / keyboard Flutter to achieve key monitoring, direct useRawKeyboardListenerthisWidgetThen: RawKeyboardListener( Focusnode: focusnode(), // focus onKey: (RawKeyEvent […]

  • Select text and add style


    <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”utf-8″> <meta http-equiv=”X-UA-Compatible” content=”IE=edge”> <meta name=”viewport” content=”width=device-width,initial-scale=1.0″> <style> .tag.blue{ border: 3px solid rgb(32, 156, 238); background-color: rgb(32, 156, 238); } .tag.red{ border: 3px solid rgb(255, 51, 51); background-color: rgb(255, 51, 51); } .tag{ color: #fff; border-radius: 5px; font-style: normal; } .tag > .delete{ / margin-left: 5px; / background-color: rgba(10,10,10,.2); […]

  • Debian and its derivatives modify keyboard mapping


    There are risks in the modification, so the operation should be cautious View current keyboard layout [email protected] ~$ setxkbmap -print xkb_keymap { xkb_keycodes { include “evdev+aliases(qwerty)” }; xkb_types { include “complete” }; xkb_compat { include “complete” }; xkb_symbols { include “pc+us+inet(evdev)+group(alt_shift_toggle)” }; xkb_geometry { include “pc(pc105)” }; }; Backup configuration file [email protected] ~$ cd /usr/share/X11/xkb […]

  • Gaode map API event – load + change level + change center point


    Events triggered when the internal state of a map changes     complete map <span style=”background-color: #f5f5f5; color: #800000;”> *</span><span style=”background-color: #f5f5f5; color: #000000;”>{</span><span style=”background-color: #f5f5f5; color: #ff0000;”>margin</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: #f5f5f5; color: #ff0000;”>padding</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: […]