https://segmentfault.com/a/1190000012947169
Business background
The system needs to butt an IM vendor rest interface and push messages to the client (as well as other IM services)The vendor has a frequency limit on rest interface calls: Total rest
The xml| program's years of competition between browsers has led to many tools that help developers accomplish tasks that were difficult to do before. Now, with just a little script, you can create an application that binds data to a user control,
two methods of HTTP request: Get and POST
The two most commonly used methods for request-response between the client and the server are: Get and POST. Get-requests data from a specified resource. POST-submits the data to be processed to the
js automatic removal of IE cache Method-Common
For dynamic files, such as index.asp?id= ... Or index.aspx?id= ... It is believed that experienced programmers know how to prevent browsers from caching data.
But for static files (Css,jpg,gif and so
What's an APC?Alternative PHP cache (APC) is a valid open source Cache tool for PHP, and he is able to cache opcode PHP intermediate code.PHP APC provides two kinds of caching functions, namely cache opcode (target file), we call it
201-206 indicates that the server successfully processed the requested status code, indicating that the Web page can be accessed normally. 200 (successful) the server has successfully processed the request. Typically, this indicates that the
Final Effect Diagram:
Oauthviewcontroller.m
OAUTHVIEWCONTROLLER.M//20_ handsome no Weibo////Created by Beyond on 14-8-5. Copyright (c) 2014 Com.beyond.
All rights reserved. Authorization controller, run only once, obtain the current user's
Window object
ECMAScript is the core of JavaScript, but if you want to use JavaScript on the web, then the BOM (browser object model) is the real core. The BOM provides a number of objects that are used to access the functionality of the browser,
The Php.mvc Tag Action Dispatcher
Tagactiondispatcher is the implementation of a standard Actiondispatcher class that supports access to basic template tags. The Tagactiondispatcher class supports the same Actionobjects collection and
1 What is "last-modified"?When the browser first requests a URL, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute that marks the last time the file was modified at the service
Ajax| Server | performance
Ajax has been hot for more than two or three years, and it has revolutionized the web and is no doubt about the unprecedented experience it brings to the user.
While Ajax can bring a lot of benefits to Web applications,
ajax| Safety | security | Safety Hazard 5. Unsecured communication: Each AJAX call may return only a small amount of data to the client, but the data is private and confidential. Max can write a handy tool to digitally verify your credit card number,
Js|servlet
In Web server-side programming, session state management is an important issue that must be considered frequently. This paper analyzes the session management mechanism of Jsp/servlet and the problems it faces, and then proposes an
When one day, your mood suddenly become very bad, but coincidentally, in your guest book, your net friend left a very exciting words, so you quickly regained the happy mood. But after a while you're feeling bad again, but this time you're not as
Apache turn on logging, Access.log
Found logs folder only Error.log
No access.log.
Modify Httpd.conf
# customlog "Logs/access.log" common remove the previous #
*******************************************************************
Log_format access ' $
Response.sendredirect (URL)--redirect to the specified URLRequest.getrequestdispatcher (URL). Forward (Request,response)--Request forwarding to the specified URL
1: The two differences:
Response.sendredirect (URL) jumps to the specified URL address,
comparison of 1.http/1.0 and http/1.1
RFC 1945 defines the http/1.0 version, and RFC 2616 defines the http/1.1 version. 1.1 Establishing connection aspects
http/1.0 each request requires a new TCP connection and the connection cannot be reused.
The title is a bit of a bluff, because it spans only subdomains.
The story goes like this, or that personal portal site. One of the features is RSS subscriptions, where each subscription appears as a module on the page. If a user subscribes to more
Concept
HTTP short connections (non-persistent connections) means that the connection is closed after the client and the server have made an HTTP request/response. Therefore, the next HTTP request/Response operation requires a re-establishment of
http stateless or web App stateless
What do we typically mean by the stateless nature of Web applications?
Intuitively, "Each request is independent , its execution and results are not directly related to the previous request and the subsequent
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.