The 10 useful code snippets that C # programmers often use are described in detail:
1 read the operating system and CLR version
OperatingSystem os = System.Environment.OSVersion; Console.WriteLine ("Platform: {0}", Os. Platform); Console.WriteLine ("Service Pack: {0}", Os. ServicePack); Console.WriteLine ("Version: {0}", Os. Version); Console.WriteLine ("VersionString: {0}", Os. VersionString); Console.WriteLine ("CLR Version: {0}", System.Environment
Super practical seven PHP code snippets to share. 1. super simple page cache if your project is not based on the CMS system or framework, it will be very practical to build a simple cache system. The following code is very simple,
1. super simple page cacheIf your project is not based on a CMS system or framework, creating a simple cache system will be very practical. The following code is very simple, but it can solve problems for small websites.
T
Common strings in php are used to process code snippets. The code for removing the HTML tag copy is as follows: $ textstrip_tags ($ input,); the above function mainly uses strip_tags. for detailed instructions, see. Returns to remove the HTML tag between $ start and $ end.
The code is as follows:
$ Text = strip_tags ($ input ,"");
The above function mainly uses strip_tags. for detailed instructions, see.
Returns the text between $ start and $ end.
Summarize the JS code snippets and browser models related to AJAX in. net development, making full use of free controls is good, but if you cannot modify the controls to meet your needs, you need to use the JS method, the premise is to study the method attributes of various objects in the browser model. It is especially cool to be familiar with CSS + HTML. JS language itself does not have high requirements.
1. tips for dynamically deleting the conten
program, it is not convenient. Please refer to the example below.Class AutoStopwatch:System.Diagnostics.Stopwatch, idisposable{public autostopwatch () { Start (); } public void Dispose () { Stop (); Console.WriteLine ("Elapsed: {0}", this. Elapsed);} }With the using syntax, as shown in the following code, you can check the run time of a piece of code and print it on the console.using (new Autostopwatch ()) { Decimal total2 = 0; int limit2 = 1000000; for (
'). Load (function () {Alert (' This Image has Been Loaded ');});47. How to use jquery to specify namespaces for events:Events can bind namespaces like this$ (' input '). Bind (' Blur.validation ', function (e) {// ...});The data method also accepts namespaces$ (' input '). Data (' Validation.isvalid ', true);48. How to check if cookies are enabledvar dt = new Date ();Dt.setseconds (Dt.getseconds () + 60);Document.cookie = "cookietest=1; Expires= "+ dt.togmtstring ();var cookiesenabled = docume
));FileName header ("Content-type:application/zip");Header in zip format ("content-transfer-encoding:binary");Tell the browser that this is the header of the binary file (' content-length: '. FileSize ($filename)); Tell the browser that the file size @readfile ($filename); Multiple file package Download instance: $filsarr = Array (".. /folder1 ",". /folder2 ",". /folder5 ","./folder11 "); You can select the contents of each directory $filename = './download/zipfilename.zip ';The path of the comp
Java multithreading ~~~ Synchronized adds parameters to implement independent code snippets
Sometimes we don't want to add the synchronized keyword before the entire method. This will make the call of the entire method slow.
Add the synchronized keyword to the code, and then speed up the execution efficiency of the method or code. Then there may be another situation:
Yes, we have two variables. Either of them can only be accessed by one variable at th
This article describes in detail one of the practical BootStrap code snippets, summarizes the problems encountered in using BootStrap, and records the solutions. If you are interested, you can refer to the example below, summarize the problems you encountered in using BootStrap and record the solution. Hope to help the desired partner
Application scenarios:In the classic Upper and Lower layout, the navigation bar on the top is fixed, and the scroll b
The digitized date
JS, date is a built-in data type, although the direct output of the date format for people to read, but for the machine program is a bit inconvenient:var now=New Date (); Console.log (now); // Wed Nov 22:02:17 gmt+0800 (China Standard Time)How to convert to a convenient way to operate the JS program? It's simple just precede the new keyword with a +:var now=+New Date (); Console.log (now); // 1448460291345JavaScript Errors:Https://developer.mozilla.org/en-US/docs/Web/Ja
First, open the link in a new windowWith the following code, you can click on the link to open in a new window:$ (document). Ready (function () { $ ("a[href^= ' http ')"). attr (' target ', ' _blank '); });Second, set the column of equal heightBy applying the following code, you can make every column of your Web app feel like:Position the element in the middle of the pageTHS original Share!"Go" 7 useful jquery Code Snippets
Useful php code snippets,1. Extract keywords from webpages
$meta = get_meta_tags('http://www.emoticode.net/');$keywords = $meta['keywords'];// Split keywords$keywords = explode(',', $keywords );// Trim them$keywords = array_map( 'trim', $keywords );// Remove empty values$keywords = array_filter( $keywords );print_r( $keywords );2. Search for all links on the page
With DOM, you can capture links on any page, as shown in the following example.
3. Create
This article mainly shares nine classic PHP code snippets, which are very practical and frequently used functions. we recommend them to you.
1. check whether the email has been read
When you send an email, you may want to know whether the email has been read by the recipient. Here is a very interesting code snippet that shows the actual date and time when the recipient's IP address records are read.
The code is as follows:
Error_reporting (0 );Head
Php commonly uses strings to process code snippets. if you are using php, refer. Remove HTML tags
The code is as follows:
$ Text = strip_tags ($ input ,"");
The above function mainly uses strip_tags. for detailed instructions, see.
Returns the text between $ start and $ end.
The code is as follows:
Function GetBetween ($ content, $ start, $ end ){$ R = explode ($ start, $ content );If (isset ($ r [1]) {$ R = explode ($ end, $ r [1]);Return $ r
This article mainly introduces the use of Android Studio tips: Extract Method Code snippet, this article shared a quick copy paste method code snippet tips, and use a GIF diagram to demonstrate that the need for friends can refer to the nextToday to introduce you to a very useful studio Tips, sometimes we write too much code inside a method, and then want to extract some of the code and put it in a separate method, usually we do copy and paste, and now I will teach you a very concise method, Let
Reproduced, with the convenience!1. Readable random string This code creates a readable string that is closer to the word in the dictionary, is practical and has the password validation function readable_random_string ($length = 6) {$conso =array ("B", "C "," D "," F "," G "," H "," J "," K "," L "," M "," N "," P "," R "," s "," T "," V "," w "," X "," Y "," z "); $vocal =array ("A", "E", "I", "O", "U"); $password = ""; Srand (Double) microtime () *1000000); $max = $length/2;
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.