TorvaldsDB

arr = [1, 2, 3, 4 , 5]

arr[Math.floor(Math.random() * arr.length)]

TorvaldsDB

  alias tnew='tmux new -s' # new a session
  alias tls='tmux ls'      # list all sessions
  alias topen='tmux a -t'  # open one of sessions with session number
  alias tlast='tmux a'     # resume last used session
  alias tkill='tmux kill-session -t' # kill one of sessions with session number
  alias tkillall='tmux kill-server'  # kill all sessions

TorvaldsDB

module ImgageValidate
  module_function

  def url_exist?(url)
    uri = URI.parse(url)
    Net::HTTP.start(uri.host, uri.port) do |http|
      Net::HTTP.start(uri.host, uri.port) do |http|
        response = http.head(uri.path)
        case response
        when Net::HTTPSuccess, Net::HTTPRedirection

TorvaldsDB

Webpack

Webpack 配置文件放置在webpack.config.js中,

代码源码在 src/, 文件分布结构图(使用tree ./

├── src
│   ├── css
│   │   ├── iconfont.css
│ │ └── index.less

TorvaldsDB

NERDTree

o.......Open files, directories and bookmarks....................|NERDTree-o|
go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
t.......Open selected node/bookmark in a new tab.................|NERDTree-t|
T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|
i.......Open selected file in a split window.....................|NERDTree-i|
gi......Same as i, but leave the cursor on the NERDTree..........|NERDTree-gi|
s.......Open selected file in a new vsplit.......................|NERDTree-s|
gs......Same as s, but leave the cursor on the NERDTree..........|NERDTree-gs|

O.......Recursively open the selected directory..................|NERDTree-O|

TorvaldsDB

/*
  This hook allows reading and setting url query params.
  Usage example:
    const [query, setQuery] = useQueryParam({
      name: 'q',
    });
*/

import { useState, useEffect, useCallback } from 'react';
import { useHistory, useLocation } from 'react-router-dom';

TorvaldsDB

function debounce(func, delay) {
  let timerId;

  return function (...args) {
    clearTimeout(timerId);

    timerId = setTimeout(() => {
      func.apply(this, args);
    }, delay);
  };

TorvaldsDB

function throttle(func, delay) {
  let isThrottled = false;

  return function (...args) {
    if (!isThrottled) {
      func.apply(this, args);

      isThrottled = true;