extjs code examples

TreeSet identifies repeated element parsing and code examples. treeset example The underlying layer of TreeSet is TreeMap's keySet (), while TreeMap is implemented based on the red and black trees, and the red and black trees are balanced binary search trees, it ensures that the height difference between the left and right subtree of any node is no more than twice that of the shorter one. TreeMap is sorted

: {zipcode: 97201},success:function( data ) {$("#weather-temp" ).html("+ data +");}}); Some other examples are:1) Building a jquery development environment(1) Download in http://jquery.com.(2) reference in the script tag: 1 scriptlanguage="javascript" type="text/javascript"src="Jscript/jquery-1.7.1.js">script> 2) Example of a simple pop-up window 1234567891011121314 html>head>title>jQuery程序1titl

Gcovr tool that shows C code coverage and related command examples Recently, I accidentally found the gcovr tool online to show the code coverage rate of a unit test for a project. After using the tool, I thought it was quite good, so I wrote this article for reference by related developers. In short, gcovr is a tool that shows

Several examples of code that is compatible with Python 2.x and Python 3.x, python2.xpython3. x Write compatible Python and 3.x code When we are in Python 2. x to Python 3. during the transition period of x, you may wonder if you can run Python 2 and 3 simultaneously without modifying any code. This seems to be a reaso

[] = Split (Inj_str, "|"); for (int i=0; i Call this function in 4.jsp to check if the envelope is not an illegal characterTo prevent SQL from being injected from a URL:Sql_inj.java Code:Package Sql_inj; Import java.net.*; Import java.io.*; Import java.sql.*; Import java.text.*; Import java.lang.String; public class sql_inj{public static Boolean Sql_inj (String str) { string inj_str = "' |and|exec|insert| select|delete|update| count|*|%| chr|mid|master|truncate|char|declar

, not handle transparent colorThe code is as follows: function Thumn ($background, $width, $height, $newfile) {list ($s _w, $s _h) =getimagesize ($background);//Get original picture height, width if ($ Width ($s _w GIF Transparent Color processingThe code is as follows: function Thumn ($background, $width, $height, $newfile) {list ($s _w, $s _h) =getimagesize ($background); if ($width Amp ($s _w Picture

($ new ,". /images/hee2.jpg "); imagedestroy ($ new); imagedestroy ($ img );Proportional scaling of images, not processing transparent colorsThe code is as follows: Function thumn ($ background, $ width, $ height, $ newfile) {list ($ s_w, $ s_h) = getimagesize ($ background ); // Obtain the height and width of the original image. if ($ width ($ s_w Gif transparent color processingThe code is as follows: F

of the user, even if he uses a proxy server. function Getrealipaddr (){if (!emptyempty (21 Examples of practical PHP code-Webmaster Academy server[' REMOTE_ADDR ');}return $IP;} PHP Mandatory File Download To provide users with mandatory file download function. /********************* @file-path to File*/function Force_download ($file){if ((Isset ($file)) (File_exists ($file))) {Header ("Content-length:".

Code:JQuery Code:$.getJSON("http://api.flickr.com/services/feeds/photos_public.gne?tags=cattagmode=anyformat=jsonjsoncallback=?", function(data){ $.each(data.items, function(i,item){ $("Describe:Loads JSON data from Test.js and displays a name field data from the JSON data.JQuery Code:$.getJSON("test.js", function(json){ alert("JSON Data: " + json.users[3].name);});Describe:Load JSON data from Test.js

onbtnaclicked() {//Get an example of FRAGMENTBFragmentmanager Fragmentmanager = Getsupportfragmentmanager (); FRAGMENTB FRAGMENTB = (FRAGMENTB) fragmentmanager.findfragmentbytag (Fragment_b_tag);if(Fragmentb! =NULL) Fragmentb.changeb (); }@Override Public void onbtnbclicked() {//Get an example of FragmentaFragmentmanager Fragmentmanager = Getsupportfragmentmanager (); Fragmenta Fragmenta = (fragmenta) fragmentmanager.findfragmentbytag (Fragment_a_tag);if(Fragmenta! =NULL) Fragmenta.changea

Examples of simplified Python Django framework code: pythondjango Despite the popularity and popularity of Django, some developers still regard it as an outdated web development framework and only suitable for web programs with rich content. However, most web programs are usually not rich, which makes Django seem to be the best web framework. So let's take some time to get to know her from the current web d

There are a lot of sample code for Jslink on MSDN to download.Here are a few common examples.1. Add icon to File: HTTPS://CODE.MSDN.MICROSOFT.COM/OFFICE/CLIENT-SIDE-RENDERING-CODE-97E27FA12. Histogram display percentagehttps://code.msdn.microsoft.com/office/Client-side-rendering-code-f1068b4b3. Regular expression verif

Introduction Jqplot is a very good jquery-based chart plug-in. This article mainly helps you sort out the Chinese usage instructions of jqplot and download online examples and source code. The jqplot plug-in displays charts on the canvas in HTML5-supported browsers.Introduce script files Jqplot must be supported by jquery version 1.4.3 or later. As mentioned earlier, jqplot will be presented as Canvas in br

First, the preface This experiment will use a simple example to explain the principle of crack verification code, will learn and practice the following knowledge points: Basic knowledge of Python The use of PIL modules Second, detailed examples To install the pillow (PIL) Library: $ sudo apt-get update $ sudo apt-get install Python-dev $ sudo apt-get install Libtiff5-dev Libjpeg8-dev-zlib1g-d

Phpcalender (calendar) two version code examples (solving the 2038 problem ). Note that the 32-bit server has 2038 problems, so the 32-bit server's validity period ranges from ~ In 2038, we can also use DateTime to avoid this problem (which is irrelevant to 32-bit 64-bit ). Note that the 32-bit server has 2038 problems, so the 32-bit server's validity period ranges from ~ 2038 We can also use DateTime to

Quick introduction to cookies and simple code examples in Python development, pythoncookie Cookie: a key-Value Pair stored in the user's browser to solve the stateless connection of http. The server can write the cookie to the user's browser. Each request is sent with a cookie. Storage location: Each request cookie is placed in the request header. Application scenarios: · Remember the password for login use

onfocus and onblur application code examples:These two events always feel that the application is the most frequent, although very simple, perhaps beginners are not familiar with the two, so the following examples of simple introduction of their use.The code example is as follows:DOCTYPE HTML>HTML>Head>MetaCharSet= "Utf-8"/>Metaname= "Author"content= "http://www.

Examples of common code extraction in vue. js and vue. js Preface When we use vue to build medium and large projects, we usually encounter some frequently used methods and attributes. For example, to build an employee management system, the requested url requires a common prefix, or it takes time in several views. This time is formatted by some method. If you write common

[TOC] Netty Delimiter Decoder code examples and analysisThrough the use of special decoder, can solve the problem of TCP Netty, the previous "Netty Linebasedframedecoder decoder use and analysis: Solve the problem of TCP sticky packet" through the use of line decoder to solve the problem of TCP sticky packet, This means that both the server side of the Netty and the client need to stitch the line brea

Examples of CSS Tag switching code are more beautiful. Our design is more and more pursuing a simple style, and we hope to display more content in a limited space. At the same time, we found some problems. The simple arrangement of content always makes the page very long. Many scrolling screens can complete the layout of the displayed content. YAHOO and Netease took the lead in applying the Label Switching