functions

Optimize This article discusses flash ActionScript code optimization, mainly for Flash 8 help mentioned in some code coding optimization principles to explain. 1. Avoid calling a function multiple times from one loop. The contents of a small

Standard one: Follow consistent guidelines, establish standards and follow whether the control is used, prompt message wording, or color, window layout style, follow the uniform standards, achieve true consistency. the benefits of this: 1:

What's the difference between Isset and Is_null, Looking at the manual, the isset and is_null functions are almost completely "reversed". is isset the opposite alias of a is_null? Eh, to say the difference, that is really a lot of ~ Everything

From PHP4 to PHP5, from the personal development of language to professional Internet development, witnessing the development of PHP from the cottage to the regular army. PHP6 is still brewing, believe PHP5 will be as PHP6 small test the ground. PHP5

Introduction to PHP Error and Logging The error and logging functions allow you to process and record errors. The error function allows the user to define fault-handling rules and modify the way in which the errors are logged. The logging

The program PHP World buffer is a hot topic, because the dynamic page generated by PHP, each user request needs to be recalculated, regardless of the request results are the same, and PHP will compile a script every time. This overload is certainly

Just a cursory glance at the first page of the updated article about class, very good, suggest to see: http://www.phpe.net/articles/389.shtml to the kind of groping ~ ~ I spent half a year to probably understand the role and implementation of

Project One, variable it is best to store all variables in an array, which can be a lot of convenience in the development of the program, especially when the program is very large. The name of the variable is appropriate to their own habits,

Most security issues with Web Web are one of the following three types: 1. The server provides the public with services that should not be provided. 2. The server places the data that should be private into a publicly accessible area. 3.

Create | dynamic | tips | Script After installing some third-party libraries, with your graphics processing skills, you can create and process images in PHP. In fact, you don't need too much geometrical knowledge. When I was in high school, this

function to invoke a JavaScript program in the applet you are doing The method is invoked as follows: 1 First introduce Jsobject package LiveConnect for JavaScript Import Netscape.javascript.JSObject; 2 where JS is called: try {//Create

One, the distinction of the concept Some people confuse object-oriented database design (i.e. database schema) with object-oriented database management system (OODBMS) theory. In fact, the former is a database user-defined database mode of thinking,

Math operator The standard ANSI SQL-92 supports the following four basic arithmetic operators: + Add - Reducing * By / Except % Find Yu Where the residual

For this question, the initial assumption is simpler: replace the keyword and function names that are not the same in the SQL statement, such as To_date in Oracle to convert SQL Server. can be executed on SQL Server. This can be true for some simple

Program | data | Database One, Purpose Hardware: CPU (Cyrix 200MHz), memory 16M, HDD 4G requirements: In WINDOWS98 Explorer, double-click any foxbase+ database file icon (each file data is recorded below 10,000), the program opens the database

In the development of PHP website, there are usually two ways to store data, a text file storage, such as TXT file, a database storage, such as MySQL, compared to database storage, file storage does not have any advantages, but the file read and

Last month I specifically introduced the PHP introductory tutorial on the basic syntax of PHP introductory learning, mainly introduced several commonly used PHP tags, the composition of PHP statements, PHP comments, and so on, today's PHP

In the use of PHP to develop large, interactive Web sites, we often encounter with the art of how to cooperate with the problem, usually our solution is to design the page after the designer to develop, and then deliver the artwork to improve the

For PHP site developers, the choice of a good PHP development tool is very important, the current more well-known PHP development tools have Zend Studio, Eclipse, EditPlus, and so on, when I just started learning PHP, The PHP development tool used

In the php file function on how to delete the file instance tutorial, I mentioned that there are two methods, one is to use the unlink function to delete a file, there is a system function to call the Systems command to execute the delete file