Web Develop

advantages and disadvantages of Wireshark and fiddler:①wireshark is a packet-grabbing tool that works on the network layer, not only with a large number of protocol analyzers, but also by writing Wireshark plugins to identify custom protocols.

1. TCP connectionTCP (Transmission Control Protocol) transmission protocol. TCP is the host-to-host layer of the Transmission Control Protocol, providing a reliable connection service, using three-time handshake confirmation to establish a

A few days ago spent 3 days, build, develop a client, CMS, server side of the project, also because of the previous development experience of PHP, as well as the design and application of SQL has not encountered any obstacles. As for the

The things that need to be done1. Check if comments are filled in2.php file has syntax errorsPre-commit ScriptHook script Name: Hooks/pre-commitRepos= "$" txn= "$" # Make sure that the log message contains some text.

In general we will encounter adding or changing the original text to an element:1. Set/Get Content-text (), HTML (), and Val () There are three common ways to set up content:Text ()---Sets or returns the value of a form fieldeg: set by text (),

The first type:Copy CodeThe code is as follows:Copy CodeThe code is as follows:Firefox press F12 Debug Why do not use alert and choose Console.log it! This people should be more clear!The second type:Copy CodeThe code is as follows:The third:Copy

First, the primary key generation strategy1. Type of primary key Natural PRIMARY key: A field with a specific business meaning as the primary key eg: User's name, ID number Surrogate PRIMARY key: A field that has no specific business

The controller in Angularjs is a function used to add additional functionality to the scope ($scope) of the view, which we use to set the initial state for the scope object and to add custom behavior.When we create a new controller, ANGULARJS will

Previous wordsThe two-column layout of the 6 ideas for a single-column, fixed-width single-row adaptive layout in the CSS two column layout has been described earlier, while the two-row adaptive layout refers to the layout of a column that is

WEB protocol HTTP1.0 HTTP1.1 SPDY HTTP2.0HTTP1.0 VS HTTP1.1Long connectionsHTTP 1.0 needs to use the keep-alive parameter to tell the server to establish a long connection, while HTTP1.1 supports long connections by default.HTTP is based on the

Document ObjectThe Document object is a property of the Window object that represents the entire HTML page. It is the programmatic entrance to the DOM.Document how to get elements Method name return value Describe

1 @ Page Language="Java"ContentType="text/html; Charset=utf-8"pageencoding="UTF-8"%>2 DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">3 HTML>4 Head>5 Metahttp-equiv=

ObjectiveWhen the client initiates a TCP link to the HTTP server , the server side initiates a series of callback calls, which is the process of a reverse invocation; starting with LIBUV, The callback (promise then) function terminated in the JS

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and

Related content: What is HTML? HTML file structure What HTML is: HMTL Hypertext Markup Language, an application under the standard Universal Markup Language. HTML is dedicated to Web pages, and its "markers" tell the

JS implementation convert thousand-bit count350000.00-------350,000.00var num=0;function format (num) {Return (num.tofixed (2) + "). Replace (/\d{1,3} (? = (\d{3}) + (\.\d*)? $)/g, ' $&, ');}var num = 12345;Console.log (Format (num));----------------

You can use the TypeOf operator to view the data type of a JavaScript variable.typeof "John"//Return stringtypeof 3.14//return numberThe data type of NaN is numberThe data type of the array is objectDate data type is ObjectThe data type of NULL is

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and

PHP//Create a Web server$serv =NewSwoole_http_server ('0.0.0.0',9501);//GET Request/** $request: Request information * $response: Response information*/$serv->on ('Request', function ($request, $response) {var_dump ($request); //sets the header

I. Description of the vulnerabilityUse HTTP POST request, Specify a very large content-length, and then send the packet at a very low speed, such as 10-100s A byte and keep the connection constantly open. When the number of client connections