Browser already supports the HTTP protocol, why develop a new websocket protocol? We know that the HTTP protocol is a one-way network protocol, and after the connection is established, it only allows Browser/ua (useragent) to send the requested resource to webserver, webserver to return the corresponding data. and webserver can not actively push data to Browser/ua, originally so design HTTP protocol also ha
workspace file vocal-n.n.n/vocal. DSWFor the vocal workspace.
4. Set your default project to the UA, and then build. ThisWill build all the libraries and finally the user agent.It will place the resulting executable in
Vocal-n.n.n/SIP/UA/obj. Debug. win32.i686/ua.exe.5. Sample UA configuration files for the UA can be
, SIP can use TCP or UDP on the transport layer. SIP supports IPv4 and IPv6.
Ii. Important Concepts
2.1 multimedia sessions
According to RFC2327, a Multimedia Session refers to a set of Multimedia senders and receivers and data streams from senders to receivers. For example, a multimedia meeting is a multimedia session. A session is determined by a group of user names, session IDs, network types, address types, and addresses of each unit.
2.2 User Agent
User Agent (
Note: The following content from the online, I through processing and finishing.1, ask what to use Websocke?Browser already supports the HTTP protocol, why develop a new websocket protocol? We know that the HTTP protocol is a one-way network protocol , and after the connection is established, it only allows Browser/ua (useragent) to send the requested resource to webserver, webserver to return the corresponding data . and webserver can not actively
Chapter 9 dialogue
A key concept for user proxy is dialog. A dialog indicates a point-to-point sip connection between two user proxies at some time. The dialog ensures that messages between user proxies are ordered and correctly routed. A dialog indicates the context of a SIP message. Rfc3261 the UA processing discussed in section 8th is irrelevant to the method. This chapter discusses how to construct a dialog and how to send subsequent requests and
The judgment includes not only computer browsers, but also Android, iOS mobile phones and tablets, gaming systems
Copy Code code as follows:
var client = function () {
Rendering engine
var engine ={
ie:0,
gecko:0,
webkit:0,
khtml:0,
opera:0,
Ver:null
};
Browser
var browser = {
ie:0,
firefox:0,
safari:0,
konq:0,
opera:0,
chrome:0,
Ver:null
};
var system ={
Win:false,
Max:false,
X11:false,
Mobile devices
Iphone:false,
Ipod:false,
Ipad:false,
Ios:false,
And
As mobile traffic is increasing, we statistics website traffic time, need to move and PC traffic separate, and encounter Baidu Spider time, in order to better and more detailed statistics, also need to Baidu Spider mobile end and PC side separately to statistics, this to the website analysis has very important significance. This article provides a judge Baidu Mobile Spider and Baidu pc spider source code, has PHP, ASP, asp.net three versions.
PHP version
This code is relatively s
(function () {var res = getrequest ();var par = res[' index '];if (par!= ' Gfan ') {var ua=navigator.useragent.tolowercase ();var contains=function (A, b) {if (A.indexof (b)!=-1) {return true;}};Change the following http://m.baidu.com to your WAP mobile address, such as http://3g.baidu.comvar tomobilevertion = function () {window.location.href = ' http://3g.baidu.com/'}If (Contains (UA, "ipad") | | (Contain
than the exact model of the browser. Most JS experts believe that this method is the most suitable, because they believe that the scripts written according to this method can withstand the test of the future.
// Obtain the IE browser version number
// Return a value indicating the major version number of IE.
function getIEVer() {
VarUa = navigator. userAgent;// Obtain client information
VarB = ua. indexOf ("MSIE");// Check the location of the speci
purpose of this script is to randomly generate a useragent to mark WebView, get the available ports on the 127.0.0.2,
Then start the PHP server and record its PID, which is used to close the kill.
For an introduction to PHP's built-in HTTP server, see:
Https://wiki.php.net/rfc/builtinwebserver
which
/data/data/net.php.phpdroid/php/bin/ua.php
File_put_contents (DirName (__file__). ' /ua ', SHA1 (Uniqid (Mt_rand (), true));
/data/data/net.php.php
include the built-in attributes, the No. 0 attribute node is onmsanimationiteration, and its specified property is false. ie8+ and other browsers can only get the Set feature node, and the specified property is always Truefunction lteIE7 (obj) { var temp = obj.attributes[0]; Return (Boolean (temp) !temp.specified);}[2] ie8-(document.createelement)The host object of ie8-is implemented through COM, not JScript. Therefore, the document.createelement () function is indeed a COM object, so typ
A small example of setting the IFrame height automatically in JavaScript. For more information, see
The Code is as follows:
Function SetIFrameHeight (down ){Var Sys = {};Var ua = navigator. userAgent. toLowerCase ();Var s;(S = ua. match (/msie ([\ d.] + )/))? Sys. ie = s [1]:(S = ua. match (/firefox \/([\ d.] + )/))? Sys. firefox = s [1]:(S =
-javascript ). Of course not all of them have response headers, and most of the time, you don't need to focus on them. Here I just gather words to say, completely can ignore. Back to the page, you simply need to get the back of the head (anyway, you know whether to return HTML or JavaScript, why not judge it). Cookies are small data stored on the browser side that can be used to hold some information. It is actually some key-value pairs. Many times, the server generates some data to the browser,
Document directory
1. What is User-Agent?
Ii. How to Set User-Agent in Firefox
3. What can I do if I set the User-Agent?
1. What is User-Agent?
In more professional terms, user-agetn is part of the HTTP protocol and is part of the header domain. For more information, see the English version of Wikipedia.User-Agent is also called UA. We will use UA as the abbreviation of User-Agent.
Generally speaking
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