Well ixqbar

Ctrl-a，将光标移到行首
Ctrl-e，将光标移到末尾
Ctrl-u，删除整行
Ctrl-k，向后删除，从光标开始直至行尾
Alt-Backspace，光标向前删除一个单词
Alt-f，将光标移到后一个单词
Alt-b，将光标移到前一个单词
Ctrl-p，上一条命令

(function(){
    function executeCopy(text) {
        var input = document.createElement('textarea');
        document.body.appendChild(input);
        input.value = text;
        input.focus();
        input.select();
 document.execCommand('Copy');

function registerErrorHandler(callable $callable)
{
	set_error_handler(function (int $err_no, string $err_msg, string $err_file = '', int $err_line = 0, array $err_context = []) use ($callable) {
		call_user_func($callable, sprintf('%s in file %s at line %s', $err_msg, $err_file, $err_line));
	});

	set_exception_handler(function (Throwable $e) use ($callable) {
		call_user_func($callable, $e->getMessage() . ',FILE:' . $e->getFile() . ',LINE:' . $e->getLine() . ',Trace:' . $e->getTraceAsString());
	});

func isCaredNetError(err error) bool {
    netErr, ok := err.(net.Error)
    if !ok {
        return false
    }

private boolean isMyServiceRunning(Class<?> serviceClass) {
    ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
    for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (serviceClass.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
 return false;

	```
	<?php

	$content = <<<SSS
	<p>这是个测试文件</p><p><img src="http://pic2.ooopic.com/12/40/58/18bOOOPIC9c.jpg" /> </p>
	<p>我们是图片</p>
	<p><img src="/upload/20180616/1c73423b8269f2414f17217bea141836.jpg"/> </p>
	<p>这是一个忧伤的故事</p><p><img src="http://img5.duitang.com/uploads/item/201206/15/20120615031447_R5EcS.jpeg" /> </p>
	<p>谁是天下最帅的男人</p>
	<p><img src="http://pic3.nipic.com/20090702/918855_174429094_2.jpg"/> </p>

	var settings = {
	max_width: 600,
	max_height: 200
	}


	resize_image = function(img){
	var ctx = canvas.getContext("2d")
	var canvasCopy = document.createElement("canvas")
	var copyContext = canvasCopy.getContext("2d")

	package main

	import (
	"context"
	"flag"
	"fmt"
	"io"
	"log"
	"net/http"
	"os"

	-- a quick LUA access script for nginx to check IP addresses against an
	-- `ip_blacklist` set in Redis, and if a match is found send a HTTP 403.
	--
	-- allows for a common blacklist to be shared between a bunch of nginx
	-- web servers using a remote redis instance. lookups are cached for a
	-- configurable period of time.
	--
	-- block an ip:
	-- redis-cli SADD ip_blacklist 10.1.1.1
	-- remove an ip:

	-- a quick LUA access script for nginx to check IP addresses against an
	-- `ip_blacklist` set in Redis, and if a match is found send a HTTP 403.
	--
	-- allows for a common blacklist to be shared between a bunch of nginx
	-- web servers using a remote redis instance. lookups are cached for a
	-- configurable period of time.
	--
	-- block an ip:
	-- redis-cli SADD ip_blacklist 10.1.1.1
	-- remove an ip: