) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1Android QQ Browser for AndroidMQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1Android UC for AndroidJUC (Linux; U; 2.3.7; zh-cn; MB200; 320*480) UCWEB7.9.3.103/139/999Note: 320*480 is the resolution of the device and can be m
. useragent. indexof ('applewebkit/')>-1,
Gecko: navigator. useragent. indexof ('gecko ')>-1 navigator. useragent. indexof ('khtml') =-1
}
It is used to sniff the browser currently in use. Let's take a look at how the prototypeapi document (hereinafter referred to as the document) describes this attribute:
Detects the current browser and returns an object
Possible tests:
Prototype. browser. ie
Prototype. b
Introduction to Firefox OS and firefoxos
Firefox OS architecture
Some Firefox-related terms:
B2G
Short for Boot to Gecko.
Boot to Gecko
The project code of the Firefox OS Operating System. Because B2G has been used for a long time before the project has an official name, it is often used to refer to Firefox OS.
Firefox OS
FIrefox OS basically refers to the brand and service suppor
client/search engine spider) makes an HTTP request, and the server knows what browser the user is using (mail client/ Search engine spiders) to access the. Sometimes in order to achieve some purpose, we have to go to a good-natured deception server to tell it I am not using the machine to access you.
user_agents = [' mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) gecko/20130406 firefox/23.0 ', \' mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0)
session; 4 Drop database;11g--RAC 12.1.0.2.0 Delete library1. Stop all node instances first2. In one of the node operations, first turn off RAC mode startup Nomount;AlterSystemSetCluster_database=FALSE Scope=SPFile;shutdownimmediate;3. Start Mount Restric mode startup MountRestrict;4. Deleting a databaseDrop Database;RAC 12.1.0.2.0 Delete library1 --RAC 12.1.0.2.0 Delete Vault failure 12 startup Mount exclusive;3 Altersystem enable restricted session
JS according to the browser's useagent to determine the type of browserThe UserAgent property is a read-only string that declares the value of the user agent header used by the browser for HTTP requests.JavaScript syntax: navigator.useragentPHP Syntax: $_server[' http_user_agent ']ASP syntax: Request.ServerVariables ("Http_user_agent")Asp. NET syntax: HttpContext.Current.Request.UserAgentJSP syntax: Request.getheader ("User-agent")-------------------------------------------------------Chrome: (v
The code is as follows:
The code is as follows
Copy Code
This code is judged to include not only computer browsers, but also Android, iOS mobile phones and tablets, gaming systems
code is as follows
copy code
var client = function () { //Render engine var engine ={ nbsp; ie:0, gecko:0, webkit:0, khtml:0, nbsp; opera:0, Ver:null }; /Browser var browser = { i
file. Apache also supports custom log formats. You can customize the log format in the configuration file. For example, in Apache, you can modify the httpd. conf configuration file to implement 1.
Figure 1
Next let's look at an Apache access log:
192.168.1.66--[06/Sep/2012: 20: 55: 05 + 0800] "GET/index.html HTTP/1.1" 404 287 "-" "Mozilla/5.0 (Windows NT 6.1; rv: 15.0) Gecko/20100101 Firefox/15.0"
The specific explanation is as follows:
192.168.1.66
Normal 0 7.8 磅 0 2
How to Build the environment of XPCOM in Windows XP
1. Download xulrunner-1.8.0.4.en-US.win32.zipAnd extract it in the appropriate folder, for example 'C:/XXX/Xulrunner-1.8.0.4 '.
2. Download gecko-sdk-win32-msvc-1.8.0.4.zipAnd extract it in the appropriate folder, for example 'C:/XXX/xulrunner-1.8.0.4/Gecko-sdk-1.8.0.4 '.
3. Click 'My Computer 'By the r
In a phpcurl request, how does one carry the header parameter? I want to include the Content-Type parameter in curl post. I tried many methods on the internet but still didn't use them.
'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/2008052906 Firefox/3.0','Referer' => 'http://www.163.com');$url='http://walktest.sinaapp.com/env.php';$ch = curl_init($url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_HE
independence. 2014 Microsoft published a branch of the Trident engine created by EDGEHTML,2015 for Win10 's own Edge browser. 2.Gecko [? gek??]: Gecko is a set of free open source code, written in C + + browser kernel. This core is primarily used by Mozilla Firefox, and it features a cross-platform that can run on major operating systems such as Windows, Linux, and Ma os X. Another big is the code compl
; Windows NT 5.1;. NET CLR 1.1.4322;. NET CLR 2.0.50727)", "mozilla/5.0 (Windows; U MSIE 9.0; Windows NT 9.0; En -US)", "mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; trident/5.0;. NET CLR 3.5.30729;. NET CLR 3.0.30729;. NET CLR 2.0.50727; Media Center PC 6.0)", "mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; trident/4.0; WOW64; trident/4.0; SLCC2;. NET CLR 2.0.50727;. NET CLR 3.5.30729;. NET CLR 3.0.30729;. NET CLR 1.0.3705;. NET CLR 1.1.4322)", "mozilla/4.0 (co
6.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.0.249.0 Safari/532.5", "Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/532.9 (KHTML, like Gecko) Chrome/5.0.310.0 Safari/532.9", "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.514.0 Safari/534.7", "Mozilla/5.0 (Windows; U; Windows N
This article mainly introduces the Pyspider to the crawler to forge a random request head of the example, has a certain reference value, now share to everyone, the need for friends can refer to
Pyspider uses the Tornado Library to do HTTP requests, in the request process can add various parameters, such as request link timeout time, request transfer data timeout time, request header and so on, but according to the original framework of Pyspider, to add parameters to the crawler only through Cra
3.5.30729;. NET CLR 3.0.30729;. NET CLR 2.0.5.727; Media Center PC 6.0) "," mozilla/5.0 (Windows NT 6.1; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/39.0.2171.71 safari/537.36 "," mozilla/5.0 (X11; Linux x86_64) applewebkit/537.11 (khtml, like Gecko) chrome/23.0.1271.64 safari/537.11 "," mozilla/5.0 (Windows; U Windows NT 6.1; En-US) applewebkit/534.16 (khtml, like
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