extjs code examples

, we test it by touching the screen, and when we find that the response chain is passed to the VC, the default is no longer passed to appdelegate. To invoke Appdelegate, you can use super to make an explicit call.Summary, using the response chain, you can have multiple objects on one chain respond to the same event. Each application has a responder chain, our view structure is an n-fork tree (a view can have multiple sub-views, a child view has only one parent view at a time), and every obj

Several common PHP database connection code examples. PHP connection to MYSQL database code? Php $ mysql_server_namelocalhost; change it to your mysql database server $ mysql_usernameroot; change it to your my PHP connection to MYSQL database code ? Php $ Mysql_server_name = 'localhost '; // Change to your mysq

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 i

Websocket protocol details and simple instance code, websocket details examples Websocket protocol details For more information about the websocket protocol, see other articles. WebSocket keywords HTML5 protocol, real-time, full-duplex communication, persistent connection Benefits of WebSocket over traditional Http Only one TCP connection is established between the client and the server, and fewer connec

Android Obfuscation Code details and examples To prevent the results of their work from being stolen, confusing code can effectively prevent being decompile, the following is a summary of the following confusing code steps: 1. You may have noticed that a new project would see a file like this on the bottom of the pro

Introduction 1. This article does not describe the introduction of MapReduce knowledge, this kind of knowledge online very much. Please consult your own 2. The example code of this article comes from official website http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/ Mapreducetutorial.html the last WordCount v2.0, this code is more complex and complete than the Org.a

Sample Code for implementing the shopping cart in the practical use of mini programs, and examples of shopping cart in actual use Hello, everyone. I haven't written it for nearly half a month. Now I have a hard time writing my pen. I haven't updated it for a long time. One reason is that I have to go to work, and I have been busy working recently, another reason is that I have never been recognized for writ

Last time I introduced a basic article about regular expressions, "Learning Regular Expressions easily". This article introduces jquery's Google translation plug-in jquery-translator, hoping to help you. Preface This article is about jquery's call to Google translator, translated from Google language translator using jquery. The translation can be reproduced, but the following information must be clearly indicated on the page: Google language translator using jqueryAuthor: Wang GuofengTranslatio

This article mainly introduces examples of characters other than numbers prohibited by jquery (pure digit Verification Code). If you need a friend, you can refer to the pure digit verification code, which is used as follows: The Code is as follows: $ ('# Mobile-vcode'). unbind ();$ ("# Mobile-vcode"). bind ("key

node, and so on.3. Using the example Packagejavalearning;ImportJava.util.Random;ImportJava.util.concurrent.ExecutorService;ImportJava.util.concurrent.Executors;ImportJava.util.concurrent.Semaphore; Public classSemaphoredemo {PrivateSemaphore SMP =NewSemaphore (3);PrivateRandom rnd =NewRandom ();classTaskdemoImplementsrunnable{PrivateString ID; Taskdemo (String ID) { This. id = ID;} @Override Public voidRun () {Try{Smp.acquire (); System.out.println ("Thread"+ ID +"is working"); Thread.Sleep (Rn

Php calender (calendar) Two version code examples A simple php Calender (calendar) solves the 2038 problem, which can be used on both 32-bit and 64-bit machines. The code is very simple and easy to modify. 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 avoid this problem (th

Php methods and code examples for operating hash and zset data in redis. In the previous blog, the main types are string, list, and set. hash and zset type 1 are listed below. hset description: set the field value in the hash table key to value. If the key does not exist, the previous blog mainly belongs to the string, list, and set types. The following are hash and zset types. 1, hset Description: sets th

Detours2.1 compiling method, source code, examples, and compiled bin in vc6 Http://download.csdn.net/detail/chinafe/4424305 Http://download.csdn.net/detail/chinafe/4424305 1. Create a Win32 static library project named detours in a pure vc6 Environment 2. Add all the source files in the detours2.1 SCR directory to the project. 3. Add detours_x86 to project-> seting-> C/C ++-> Preprocessor definitions. 4. O

The examples in this article describe how Python handles XML-formatted data. Share to everyone for your reference, as follows: Here the operation is based on the Python3 platform. The first thing you'll encounter when using Python to handle XML is the coding problem. Python does not support gb2312, so there will be an error in the XML file facing encoding= "gb2312". The encoding of the file itself that is read by Python can also cause an exception to

.stringReplace functionsfunction StringReplace (const S, Oldpattern, newpattern:string;Flags:treplaceflags): string; Rfreplaceall: Replace AllRfignorecase: Ignoring caseExamplevar astr:string; begin AStr: = ' This was a book, not a pen! '; ShowMessage (StringReplace (aStr, ' a ', ' two ', []));//this is the two book, and not a pen! only replaces the first conforming string showmessage ( StringReplace (ASTR, ' A ', ' both ', [Rfreplaceall]));//this is the book, and not both pen!

again (horizontal: you do not know whether to display the content of the specified field, you can also add other display content, for example, in the DataGrid, multiple field values are displayed on one field. Vertical: this field value is deeply processed to make the display effect more compliant with requirements and habits, for example, changing the time format of a time field ). The following code shows how to format the Greenwich Mean Time in th

. GetDomain (c); var b= This. GetDomain (d); if(c = =b) {return1 } Else{C= C.replace (".", "\ \.")); var a=NewREGEXP ("\ \" + C + "$")); if(B.match (a)) {return2 } Else { return0 } } }};How to use:Save the above code for Uaredirect.js, the reference to this JS file is best placed under the title of the site, do not put in the last or other parts, this is because it will load uaredirect.js after the

Php source code fsockopen to get web page content examples, fsockopen web page content PHP fsockopen function description: Open Internet or Unix domain socket connection (Open socket link) Initiates a socket connection to the resource specified by target. Fsockopen () returns a file pointer which may be used together with the other file functions (such as fgets (), fgetss (), fwrite (), fclose (), and feof

Use the root number method to search for prime numbers within 1000, c ++ code instances, and running result examples, and 1000 prime numbers Use the root code to search for the example of a prime number c ++ code with a value less than 1000 and the running result. # Include # Include # Include

This article describes how to use the kNN algorithm using Python code examples. Here is an example to predict the gender of Douban movie users. If you need a friend, refer to the adjacent algorithm, or K-Nearest Neighbor (kNN, k-NearestNeighbor) classification algorithm is one of the simplest methods in Data Mining classification technology. The so-called K-Nearest Neighbor refers to k nearest neighbors, wh