data function

Role of string1 string usage1.1 full use of the string Operator1.2 dazzled string find Functions1.3 string insert, replace, erase 2 string and C-style string3 string and charactor traits4 string recommendations5 Summary6 Appendix preface: Role of

This article will introduce the net module of node. js by developing a simple chat room. 　　 　　I. The first version only sends information to the client   First, implement a simple version with the following code: var net=require('net');var

Phpcurl login and retrieval content class. how can you use it? php automatic login simulated login to obtain source code Business requirements: You can use a php script to automatically log on to the webpage and obtain the content on the webpage

Nodejs uses phantomjs to download the webpage This article mainly introduces how nodejs uses phantomjs to download webpages. For more information, see. The function is actually very simple. You can use phantomjs.exe to collect url-loaded resources

JQuery event processing and jquery events JQuery does not support model capturing.Analysis of the bubble model Var I =; $ ("body, div, # bntShow "). click (function () {I ++; $ (". classShow ").show().html (" bubble phenomenon ").

This module is used to provide custom events and convert the objects implementing this interface into an event transmitter. // ================================================ ================/// Event transmitter module ============================

Node. js development-socket programming, node. jssocket The net module of Node. js provides socket programming interfaces, so that we can use the underlying socket interfaces to implement application protocols. This time we will look at a simple

The previous two articles are basically the theoretical basis of nodejs. Let's start with the NET module. I. Opening Analysis Starting from today, we will go deep into the specific modules. This article is the third article in this series. The

The first article in this series discusses how jQuery develops plug-ins. in this article, we will continue to develop plug-ins. I hope you will like it. I. opening analysis Hi everyone! Remember the previous article ------ the beginning of this

：functionGetData () {varPlacelist = [ //{name: ' Haimen ', geocoord:[121.15, 31.89]} ] varYear =document.getelementbyid (' year '). Value; varProvinceid =document.getelementbyid ("Sheng"). Value;

[Author]: KwuFast Echarts-based Big Data visualization, Echarts pure JS Implementation of the charting tools, the steps for rapid development are as follows:1, the introduction of Echarts-dependent JS Library2, set the display div3, the plot JSvar

PHP string regular expression replacement function preg_replace. Syntax: mixedpreg_replace (mixedpattern, mixedreplacement, mixedsubject); return value: mixed type data function type: data processing content description: This function uses pattern

This article mainly introduces PHP object chain operations, and analyzes the simple usage of chain operations and the execution process of object chain operations in the form of instances, which has some reference value, for more information about

Copy the code as follows:/* *@ automatically add data function *@ $table table name *@ $arr Word Snippets Array ("title", Array ("content", int)) *@ Array (field, type) *@ type description html--allow HTML u nhtml-does not allow HTML int--int type

Header ("Content-type:text/html;charset=utf-8"); $cookie _file = dirname (__file__). " /cookie_ ". MD5 (basename (__file__)).". TXT "; Set cookie file save path and file name function Vlogin ($url, $data) {///impersonation login Get cookie

Alternative application of phpmd5 encryption // Iterative algorithm Function md5_1_1 ($ data, $ times = 32) { // Use MD5 repeatedly For ($ I = 0; $ I $ Data = md5 ($ data ); }

Use the MD5 conversion algorithm to prevent brute force cracking. MD5 is the most common cryptographic algorithm in Web applications. Because MD5 is irreversible, the ciphertext obtained after MD5 calculation cannot be obtained through reverse

PHP multi-thread programming-analysis of pipeline communication instances. PHP multi-thread programming-pipeline communication example analysis this article mainly introduces PHP multi-thread programming-pipeline communication, the example analyzes

// Elements in xmlClass XMLTag{Var $ parent; // parent nodeVar $ child; // subnodeVar $ attribute; // attributes of the current nodeVar $ data; // Local node dataVar $ TagName; // The name of the current node.Var $ depth; // The depth of the current

Web storage is a very important feature introduced by HTML5, which stores data locally on the client, similar to HTML4 cookies, but is much more powerful than cookies, and the cookie size is limited to 4kb,web Storage is officially recommended for