http response header

This note is about Pep3333-python Web Server Gateway Interface. Refer to (source:http://legacy.python.org/dev/peps/pep-3333/) for the complete description.1. From the application/framwork sideThe Application object is simply a callable object that

Some sites set permissions, only after logging in to crawl the content of the site, how to simulate login, the current method is mainly to use browser cookies to impersonate the login. When a browser accesses a Web page, either by entering a domain

21st Native (native)Ajaxworking with InstancesMethods for creating XMLHttpRequest objectsfunction Createxmlhttprequest () {if (window. ActiveXObject) {return new ActiveXObject ("Microsoft.XMLHTTP");}else if (window. XMLHttpRequest) {return new

In client-side programming languages, such as JavaScript and ActionScript, the same-origin strategy is an important security concept that has important implications for securing data. The same-origin policy stipulates that scripts across domains are

The difference and connection between cookie and session mechanism Specifically, the cookie mechanism uses a scheme that maintains state on the client. It is the memory mechanism of the session state at the client side, and he needs the user to

First we open the Developer tool, you can right-click on the page and select the review element or find it in the Chrome tool or you'll remember the shortcut directly: Ctrl+shift+i (or ctrl+shift+j directly open the console), or press F12 directly.

1. How the Cache worksWeb cache, as a Web caching technology, can be implemented on any intermediate network element where a user accesses a Web server. According to the definition of HTTP protocol, in one page access, the user requests from the

The performance of the front end is important for a Web application, and if a Web application's page loads very quickly and responds to the user's actions in a timely manner, the product's user experience will be greatly improved. Shows how the page

1, download the Angular-seed-master-master package, unzip the new version of the Angularjs file into it.2, make Frontmockup folder (front-end call), while making Backmockup folder (back-end call), using IIS to open 2 webserver (this step can be

What is a CDN? About the CDN is what, prior to computer Pepsi Netizen detailed introduction. CDN is the abbreviation of Content Delivery Network, that is the meaning of "contents distribution network". Generally speaking of the Cdn acceleration,

For the novice and me to see. # # A configuration file based on the NCSA service. # #这是Apache服务器主要配置文件. #它包含服务器的影响服务器运行的配置指令. #参见 # #不要只是简单的阅读这些指令信息而不去理解它. #这里只是做了简单的说明, if you don't have a reference online file, you'll be

For LNMP installations, each operational dimension may have been hundreds of times. Here's what I think is the simplest and most efficient installation scenario. 1. Upgrade Yum to the latest version: The code is as follows Copy

This week to do a project to do more scattered (should be said to be the case), summed up on the basis of different situations double open it ~ This record is about node learning summary, and the next one is to do the project to learn the Web

Since Microsoft blocked the XmlHttp object, it could not forge part of the HTTP header information, but winhttp.winhttprequest.5.1 object, it can successfully forge all HTTP request header information! As you know from MSDN, winhttp.winhttprequest.5

Recently in the optimization of the CDN, the browser cache in-depth study, a record, convenient after the comerDraw a Sketch:A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the

I always thought that curl was just a library of functions for programming.Recently discovered that this command itself, is a very useful web development tool, please see my collation of its usage.===================================Curl Website

The following mind map is my general summary of the book's General content:　　ToolsThe tool recommended in this book is mainly about automated testing, but I think that the actual development process in the current use will be relatively small. Here

Developer Tools IntroductionThe four most commonly used feature modules of the Chrome developer tools: Elements: Used primarily to view the DOM structure of the HTML in front of the interface, and to modify the CSS style. CSS can be

　　Recently read the "HTML refactoring" this book, the following to make their own summary, we can learn to communicate together.What is refactoring? Refactoring is a process in which code is gradually perfected without changing the behavior of the

First, Cookie1. HTTP Headers and CookiesA cookie is a short name for an HTTP cookie. This standard requires:(1) The HTTP response header of the server contains the Set-cookie fieldResponse head Eg:HTTP/1.1 200 OKContent-Type: text/htmlSet-Cookie: