It is recommended to use js to Obtain Address Bar parameters (super simple) and js to obtain
Method 1:Use regular expressions to obtain the address bar parameters: (it is strongly recommended to be practical and convenient !)
Function GetQueryString (name) {var reg = new RegExp ("(^ | )" + name + "= ([^ ] *) ( | $ )"); var r = window. location. search. substr (1
Use jquery to obtain the attribute of the first li in ul, and jquery to obtain the ulli
When the list is loaded, the first one is selected by default. ID of ul for top_menu
Use $ ("#Top_menuLi: first ") to obtain the first li tag under ul. Then you can use
For example, modify attributes: $ ("#Top_menuLi: first "). attr (" class "," select ");
Trigger event: $ ("#
Example: {code...} example:
Use demo.txt to obtain the full path: C:/Users/ilovemosh/Desktop/demo.txt.
Reply content:
For example:
Use demo.txt to obtain the full path: C:/Users/ilovemosh/Desktop/demo.txt.
Your file must be in include_path. it is impossible for you to give an absolute path to a file name .. Not so powerful
Portal
Dirname (_ FILE __)Obt
PHP implements the method of obtaining and generating the database dictionary. php obtains the database dictionary. PHP is used to obtain and generate a Database Dictionary. php obtains a Database Dictionary. This document describes how PHP can obtain and generate a database dictionary. For your reference, we can use PHP to obtain and generate a database dictiona
Js is used to obtain the element external link style. js is used to obtain the element style.
This article describes how to obtain the element external link style by js. Share it with you for your reference. The specific analysis is as follows:
Set the row style for the element, such as
In the standard browser, you can use window. getComputedStyll (obj, null) [p
Asp.net to obtain the real ip address, asp.net to obtain the ip address
This example describes how to obtain the real ip address of asp.net. Share it with you for your reference. The details are as follows:
Public string getip () {string result = HttpContext. current. request. serverVariables ["HTTP_X_FORWARDED_FOR"]; if (null = result | result = String. empty)
Use js to obtain the pseudo-element content, and js to obtain the pseudo-content
During the test, sometimes anti-crawler mechanisms are encountered. Some elements use pseudo elements, so that they cannot be located when locating the elements. In this case, JavaScript is used to help locate the elements, get the desired Element
Below is some code
// Obtain the
Java is used to obtain system information. java is used to obtain system information.
Use java to obtain the following information:
Host Name:
OS Name:OS version:
OS manufacturer:
OS Configuration:
Independent WorkstationOS component type:
Registered Owner:
Registered Organizations:
Product ID:Initial installation date:
System start time:
System manufacturer:Syst
A simple way for jsp to obtain local and serverIP, jsp to obtain serverip
As follows:
InetAddress addr = InetAddress. getLocalHost ();
String ip = addr. getHostAddress (). toString (); // obtain the local IP address.
// The ip address of the accessed server is: System. out. println ("the accessed ip address is:" + ip );
// The visitor's ip address is: System
PHP is used to obtain the values of all the check boxes of a form. php is used to obtain the check boxes of a form.
Generally, php always obtains only the value of the last check box. How can we get the value of all check boxes?
The solution is as follows:
Some code of form is as follows:
The php code for processing POST-transmitted data is as follows:
$str_tag = "";$frm_tag = $_POST['frm_tag'];for($i=0;$i
Obtain the serial device name. Obtain the hardware name in the Device Manager.
Introduction: In a serial communication program, if multiple serial ports are connected at the same time on the PC, it is difficult to know which serial port is used when the serial port is opened from the application program, in this case, you must use the Device Manager to view the serial port name. This code solves this proble
Obtain the ip address of vc6.0 (1), and obtain the ip address of vc6.0
As a newbie! I learned too many things I was afraid I would forget, so I made a record (mainly focusing on Single Chip Microcomputer); blog articles mainly focused on single chip microcomputer, supplemented by the upper computer
Recently, I was drunk by the protocol of the Internet of Things cloud server. I plan to build a small server f
Php is used to obtain the random array list. php is used to obtain the array.
This article describes how to use php to obtain Random Arrays in an array. The specific implementation method is as follows:
Needless to say, directly paste the code. The array_rand in php is abnormal, which breaks through the understanding of normal people and is very tedious.Example 1
Obtain the parent node of the selected node from easyui Tree (obtain the id of the selected solid dot)
The official jquery. easyui. min. js has been used to obtain the id of the solid dot box. The official code is as follows:
VcD4KPHA + signature + CjwvcD4KPHA + signature + CjwvcD4KPHA + PGJyPgo8L3A + signature "_ c0" is changed to "indeterminate ". we ca
Jsp to obtain the Client ip address. jsp to obtain the Client ip Address
This example describes how to use jsp to obtain the IP address of a client. We will share this with you for your reference. The details are as follows:
Public static String getIpAddr (HttpServletRequest request) {String ip = request. getHeader ("X-Forwarded-For"); if (ip = null | ip. lengt
PHP retrieves the Exif thumbnail and exif thumbnail. PHP: how to obtain the Exif thumbnail. This document describes how to obtain the exif thumbnail by PHP. Share it with you for your reference. The specific implementation method is as follows: fileto PHP obtains the Exif thumbnail and exif thumbnail.
This example describes how to obtain the Exif thumbnail by
Preface:
1. Declare a map: Map map = new hashmap ();2. Place values in map. Note: map is stored in the form of key-value. For example:Map. Put ("SA", "dd ");3. Select string STR = map. Get ("sa"). tostring () from map. The result is str = "DD ";4. traverse a map to obtain the key and ValueMap map = new hashmap ();Iterator it = map. entryset (). iterator ();While (it. hasnext ()){Map. Entry entry = (Map. Entry) it. Next ();Object key = entry. getkey ()
Limit the IP voting program, can not use the web search for PHP to obtain the client IP code to obtain the client IP-reproduced
the need to get a polling campaign needs to be done IP restrictions, each IP limit a certain chance of voting. I searched the search engine on the keywords:PHP client IP , the results are basically the following:?
?
if (getenv (' http_client_ip ') strcasecmp (getenv (' http_clie
How to obtain the correct widget size when the widget is not displayed by Qt, and how to obtain the widget size by qt
This is because you want to display a dialog box in full screen mode, and there are several QLabel sizes in the dialog box. After determining the maximum available QLabel sizes, you can adjust the QLabel sizes Based on the content, therefore, you want to determine the maximum QLabel size in
Obtain the real path of the project from the jsp file, and obtain the project path from the jsp file.Obtain the real path of the project in the jsp file
Output basePath:
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