null function

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Skia drawing test

/***************************************. MK *************************************** *************/ Local_path: = $ (call my-DIR)Include $ (clear_vars)Local_prelink_module: = falseLocal_src_files: = \Ilivesearchservice. cpp \Livesearchservice. cpp

C language Embedded System Programming Practice 3: Memory operations

Data Pointer In embedded system programming, it is often required to read and write content in a specific memory unit, and the compilation has a corresponding mov command, other programming languages except C/C ++ do not have the ability to directly

Lib. js used in the filemanage Function

VaR indexnum = 10; VaR COUNT = 0; Function getmap (sfilename, Sid ){ VaR uploadpic = "../filetype/unknown.gif ";VaR sexten = sfilename. substring (sfilename. lastindexof (".") + 1, sfilename. Length ); VaR creatediv = Document. createelement

Thinking about Nodejs access to MySQL

Nodejs to access the MySQL database, you must first install the package mysql, command: npm install MySQL. After successful installation, the following database code is accessed:varMySQL = require (' MySQL ');varOptions ={host:' 172.23.88.107 ',

The creation of binary tree, the sequence traversal, the sequence traversal and the sequential traversal

BTree.cpp:Defines the entry point for the console application./*Author: ChengTime: July 2, 2001 (9:00:00-14:00:00)Content: The completion of the two-fork tree creation, forward traversal, in-sequence traversal, sequential traversalTime: July 2, 2001

Summary of basic motion logic thought in JS

Summarize your basic idea of learning Sports Today: '"1" for a moving div, so that it stops in a position to encapsulate it as a function, just change the speed of the plus or minusIssues involved include:var time=null;function Startmove

Lib. js used in the filemanage Function

Var indexnum = 10;Var count = 0;Function getmap (sFileName, sId ){Var Uploadpic = "../filetype/unknown.gif ";Var sExten = sFileName. substring (sFileName. lastIndexOf (".") + 1, sFileName. length );Var creatediv = document. createElement ("div

Lib.js_javascript techniques used in filemanage functions

var indexnum= 10; var count= 0; function Getmap (SFILENAME,SID) { var uploadpic= ". /filetype/unknown.gif "; var Sexten = sfilename.substring (Sfilename.lastindexof (".") +1,sfilename.length); var creatediv = document.createelement

JS: Browser Plugin

1. ChromeBackground.js//Chrome.webRequest.onBeforeRequest.addListener (function (info) {//Chrome.tabs.executeScript ({code: ' Console.log ("' + Info.url + ') ');//chrome.tabs.getSelected (NULL, Function (tab) {//chrome.tabs.sendMessage (tab.id, info.

Learn JS online html (Rich Text, WYSIWYG) Editor _ Basics

What you want is the WYSIWYG HTML editor, which requires a few basic steps in simple terms: 1, you need an edit box that you can edit and display the effect. TextArea, it can only be used to enter plain text, can not display color, italic, such as

Ajax Learning notes 4_jquery in jquery

Caching problem: What is a caching problem? That is, when the browser's input is the same, that is, the requested URL is the same, so that the browser will read the cache, two of times, the same content, will not interact with the server

JavaScript node traversal function _javascript Techniques

Firefox official web found a set of functions, equivalent to Treewalker, with it can be easily implemented in IE traversal API 2 of all the functions (nextelementsibling,previouselementsibling, Firstelementchild,lastelementchild,children) These

Eval's two sets of performance test data _javascript tips

@ Lao Zhao's one Weibo "is the code generated by eval really inefficient?" Http://t.cn/zWTUBEo contains personal attacks, not happy to enter. ” Triggered a recent discussion of the eval, the Archbishop @Franky and Gray @otakustay also gave a

Small PHP Document Generation class

The lack of management of PHP documents found in project development, others write a, the function is not much /** * Class Name: Doc * Description: Document Generation class * Other: You can filter the directory, set the source directory, please

Ajax learning notes 4_jquery-js tutorial in jquery

This section mainly introduces two points: 1. cache problems 2. Chinese problems cache problems: What is cache problems? That is, when the input content of the browser is the same, that is, the requested URL is the same, the browser will read the

Excerpt: JavaScript performance Optimization Trivia Summary

Original address: http://www.codeceo.com/article/javascript-performance-tips.htmlJavaScript performance issues are not to be underestimated, this requires our developers to write JavaScript program more attention to some details, this article is a

How to achieve constant object speed/variable speed using JavaScript

This article provides a detailed description of the method for moving objects at a constant speed in JavaScript. For more information, see Instance 1 -- controls the constant movement and stop of an objectHTML: The Code is as follows: JS:

HTML5 + Study Notes 1 ------- reading Code while studying, html51 -------

HTML5 + Study Notes 1 ------- reading Code while studying, html51 ------- document.addEventListener('touchstart',function(){ return false;},true); Touchstart is triggered when a finger touches the screen, even if one finger is already on the

A variable conflict in Ajax

When I first started writing AJAX code, I directly referred to the Code in the basic AJAX tutorial book (this book is really good, it is a classic tutorial for getting started with AJAX, and it is from the Turing Publishing House. I trust O 'r and

The difference between NULL and no value assignment in the PHPClass attribute

When PHP defines the Class attribute, what is the difference between NULL and no value assignment? For example: Code 1: {code...} Code 2: {code...} What is the difference between the above Code? When PHP defines the Class attribute, what is the

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