Javascript Array Contains Function

First, get to know the random number function rand () provided by the PHP tutorial. The rand () function of PHP returns a random integer using the following rand (Min,max) optional argument min and Max can cause rand () to return a pseudo random integer between 0 and Rand_max. For example, want a random number between 5 and 15 (including 5 and 15), with Rand (5, 15). Let me take a look at a specific example, we do a basic function call, do not set the specific parameters, we get the random number ...

php tutorial to filter dangerous html function code 1, delete html comments; 2, delete the script, link, object, embed, iframe, frame, frameset and have on the beginning, contains the page effects: [^; , Delete css tutorial notes (to prevent the use of this to deceive delete expression, I do not know if there are other ways to cheat delete expression); 4, delete expr ...

Take to the grand, so the copyright belongs to Shanda Online all function nunber () {var Idcard=document.getelementbyid (' U_nunber '). Value; var errors=new Array ("Verify through!", "ID number is not correct!", "...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...

php tutorial generic anti-injection is mainly to filter some sql command and php post get pass over reference / we want to filter some illegal characters, so that you can prevent the basic injection, and that off the apache server installation settings method is also necessary. Administrator user name and password are taken md5 encryption, so that we can effectively prevent the injection of php. There are servers and mysql tutorials should also strengthen some security precautions. For linux server security settings: encrypted password, use "/ usr / sbin / authconf ...

In software engineering, the term refactoring code usually refers to modifying the source code without altering the external behavior of the code. Software refactoring needs to be done with tools, and refactoring tools can modify the code and modify all the places that reference the code. 　　This article collects five excellent PHP code refactoring tools to help you improve your project. 　　1. Rephactor Rephactor is a command-line refactoring tool, an automated tool that allows developers to modify the source code in a different codebase in a concise way. Main function: ...