what status code 200

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"Android Network Development" (i) HTTP request messages and HTTP response messages

HTTP messages are text-oriented, and each field in a message is an ASCII string, and the length of each field is indeterminate. HTTP has two kinds of messages: Request message and Response message. HTTP Request message An HTTP request message

Android XMPP Communication Custom Packet&provider_android

Summary In the XMPP communication process, Asmack provides the packet component is iq,message,presence three kinds: IQ is used for query messages for message passing presence for state interaction they are all packet subclasses, The essence is the

Full process of HTTP transaction

When we enter www.linux178.com in the address bar of the browser, and then go to the car, enter this moment to see the page in the end what happened. The following procedure is only a personal understanding: Domain name resolution--> initiate

Post Submission Form redirection to Cross-domain Web site issue in servlet request

1. Description of the problem After the HttpServlet request is received and logically processed, it is redirected to another web system across the domain, and the form data is submitted as a post. 2. Problem solving This problem mainly addresses

Linux Shell Implementation HTTP Service sample code _linux shell

First, the preface Using a proxy server haproxy load balancing for MySQL is a common scenario, to improve availability, when a MySQL problem occurs, such as a server failure, or data replication is interrupted, it is best to let haproxy know

Performance counters for ASP.net __.net

ASP.net supports two sets of performance counters: systems and applications. The former is exposed in PerfMon in the asp.net performance counter object, which is exposed in the asp.net applications performance object. The state server Sessions

Graphic HTTP reading notes-(four HTTP status codes that return results)

Four HTTP status code to return results 4.1 Status code tells the result of requests returned from the server side Code category Reason phrase 100-199 Information The status code is used to specify certain actions that the client should have

The underlying implementation principle of Ajax

the current prevalence of AjaxThe AJAX framework is so numerous that Ajax is so big that it even has its parents JavaScripthave been brought up, remember when I first touched the web when JavaScript has not reached the height of today, as customer

Simple Object Access Protocol (SOAP) Primary guide

Object | access Summarize: (This article assumes that the reader is already familiar with COM and XML technology.) ) SOAP (Simple Object access protocal) technology helps to achieve interoperability between a large number of heterogeneous

Seoer personnel should develop the habit of reading journals

Hello everyone, I am Wei Dong! For many webmasters, the analysis of ISS logs is important, but it is rarely paid attention to. Usually the basic data of the website can be found through GA or Baidu statistics, webmaster tools, but some things want

Site Emergency: The impact of 301 on site rankings after changing space

I have to say that we are not fully prepared for the site change, and I have to admit that Baidu's response to the 301 redirect is so fast. I used to underestimate the efficiency of it, and see Baidu is also in constant progress. But this progress

HTTP Common face Questions

the difference between HTTP and https:The difference between HTTP and https: The URL of HTTP starts with//HTTP, and the URL of HTTPS is not safe to start with https://, while HTTPS is a secure HTTP standard port of 80, while the standard port for

What exactly is Ajax? Introduction to Ajax Background and usage (with example parsing)

This article mainly introduces the details of Ajax, the specific meaning of Ajax, and only to use the description of Ajax, now look at this article together First we look at what is Ajax? Often hear Ajax's name, so, what is Ajax? 1: Background

Program debugging Optimization One: browser-side view, crawl back data in the background method

1, in the application development, click on a button or a link, the page response results and we expect the result is not the same, we can be in the background application break point, Debug debugging, can also be viewed through the browser, crawl

Request header field Content-type is not allowed by access-control-allow-headers

Today you encounter a cross-domain problem record under learning:First, the question:Browser Console error when a custom header field is included in a cross-domain request.Request header field Xfilesize is not allowed by

Linux Server access_log log analysis and configuration details (i)

Nginx log logs are divided into Access log and error logwhere access log records which users, which pages, and the user's browser, IP, and other access informationError log is the record server error logsThe error log is in the following form:

"Go" HTTP protocol detailed

Transferred from: http://www.cnblogs.com/TankXiao/archive/2012/02/13/2342672.htmlToday's Web program development technology is really a contention, ASP, PHP, Jsp,perl, AJAX and so on. Regardless of how web technologies evolve in the future, it is

HTTP protocol and HTTP packets

The HTTP protocol is used to send and receive messages over the Internet. The HTTP protocol is a request-response protocol-The client sends a request, the server returns a reply to the request, and all the requests and responses are HTTP packets.

Some common methods of AJAX

abort ()Stop the current requestgetallresponseheaders ()Returns all the response header information that contains the HTTP request, where the response header includes content such as Content-length,date,uri.getResponseHeader (String header)Returns

Asp. NET performance Optimization reduction requests

In the previous article "ASP." NET performance optimization in the browser cache Dynamic Web page in the scenario, the browser sends if-modified-since will need to use their own cache to the Web server to decide, the server tells the browser to read

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