Free Jackie Reedef

## file_path_test.sh
shell判断文件,目录是否存在或者具有权限
  #!/bin/sh

Path="/var/log/httpd/"
File="/var/log/httpd/access.log"

#这里的-x 参数判断$Path是否存在并且是否具有可执行权限
if [ ! -x "$Path"]; then
mkdir "$Path"
fi

## index.html
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="[美团面试两列排序]">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

## deferComponentRender.js
import hoistStatics from 'hoist-non-react-statics';
import React from 'react';

/**
 * Allows two animation frames to complete to allow other components to update
 * and re-render before mounting and rendering an expensive `WrappedComponent`.
 */
export default function deferComponentRender(WrappedComponent) {
  class DeferredRenderWrapper extends React.Component {
    constructor(props, context) {

## uuid.js
function uuidv4() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
}

console.log(uuidv4())
	shell判断文件,目录是否存在或者具有权限
	#!/bin/sh

	Path="/var/log/httpd/"
	File="/var/log/httpd/access.log"

	#这里的-x 参数判断$Path是否存在并且是否具有可执行权限
	if [ ! -x "$Path"]; then
	mkdir "$Path"
	fi
	<!DOCTYPE html>
	<html>
	<head>
	<meta name="description" content="[美团面试两列排序]">
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	</head>
	<body>
	import hoistStatics from 'hoist-non-react-statics';
	import React from 'react';

	/**
	* Allows two animation frames to complete to allow other components to update
	* and re-render before mounting and rendering an expensive `WrappedComponent`.
	*/
	export default function deferComponentRender(WrappedComponent) {
	class DeferredRenderWrapper extends React.Component {
	constructor(props, context) {
	function uuidv4() {
	return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
	var r = Math.random() * 16 \| 0, v = c == 'x' ? r : (r & 0x3 \| 0x8);
	return v.toString(16);
	});
	}

	console.log(uuidv4())