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JavaScript: Form Validation

Client side form validation usually done with javascript. For the majority of your users, JavaScript form validation will save a lot of time up front. More...

HTML: How to Control Tab Order

All elements (except hidden elements) in the HTML form are part of the form's tab order. When the user presses the Tab key, the browser shifts the input focus from element to element in order the elements appear in the HTML code. However, sometimes you want the tab order to flow a little differently. More...

Tags: HTML CONTROL ORDER TABINDEX ATTRIBUTES Hits: 166834 Comments: 1

JavaScript: Arrays

Arrays can be used in many ways to store and organize data quickly and efficiently. It is one of the more useful data types available to any programming language. This article describes the basics to create and make operations with indexed, associative, and multidimensional arrays. More...

BBCode editor

As soon as you've decided to implement BBCode in your software product, we propose you to examine the jquery.BBCode plugin. This Jquery library plugin is a simple BBCode editor with preview option, which can be easily placed on any website. More...

Tags: BBCODE EDITOR PREVIEW Hits: 87465 Comments: 0

Debugging PHP with Xdebug

The Xdebug is the extension for PHP that helps debugging PHP scripts by providing a lot of valuable debug information. Using the Xdebug you can debug your scripts in the Notepad++ and other PHP IDEs. More...

Tags: PHP DEBUG XDEBUG NOTEPAD++ Hits: 86207 Comments: 0

PHP: Arrays

Arrays can be used in many ways to store and organize data quickly and efficiently. It is one of the more useful data types available to any programming language. This article describes the basics to create and make operations with indexed, associative, and multidimensional arrays. More...

PHP: Blocking access to the login page after three unsuccessful login attempts

Sometimes you need to add an extra protection to password-protected website. This article explains how access to the login page can be restricted after three unsuccessful login attempts. This schema uses visitors IP address to store log attempts in the database and block access to login feature for 30 minutes after third unsuccessful attempt. More...

PHP: How to Sort an Array

It is often necessary to arrange the elements in an array in numerical order from highest to lowest values (descending order) or vice versa (ascending order). If the array contains string values, alphabetical order may be needed. Sorting a one-dimensional arrays is quite easy. More...

Tags: PHP ARRAYS SORTING INDEXED ASSOCIATIVE REVERSE NUMBER STRING Hits: 63201 Comments: 2

JavaScript: Functions

Sometimes instead of just adding your javascript to the page and having the browser perform the tasks as soon as the script is read, you might want your javascript to be performed only upon the detection of a certain event. A function is a block of code which can be called from any point in a script after it has been declared. It is basically a compartmentalized JavaScript designed to accomplish a single task. Furthermore, JavaScript written into functions will not be performed until you specifically ask for it. This way you gain complete control of the timing. Functions are useful because they contribute to rapid, reliable, error-reducing coding, and increase legibility by tiding up complicated code sequences. More...

Javascript: Variables

A variable's purpose is to store information so that it can be used later. A variable is a name, or identifier, that represents some data that you set. This article shows the basic idea on how to use variables in JavaScript, along with examples, and descriptions of the examples. More...

SQL: ORDER BY

The Order By clause imposes an order on the query results. More...

SQL: HAVING Clause

The Having clause is optional and used in combination with the Group By clause. It is similar to the Where clause, but the Having clause establishes restrictions that determine which records are displayed after they have been grouped. More...

Tags: SQL HAVING QUERY GROUPBY RESTRICT DETERMINE DISPLAY Hits: 41948 Comments: 0

ASP: Arrays

There are two types of VBScript arrays - static and dynamic. Static arrays remain with fixed size throughout their life span. To use static VBScript arrays you need to know upfront the maximum number of elements this array will contain. If you need more flexible VBScript arrays with variable index size, then you can use dynamic VBScript arrays. VBScript dynamic arrays index size can be increased/decreased during their life span. Further in this article author explains how to create static arrays and how to create and resize dynamic arrays, giving working examples. More...

Tags: ASP ARRAYS STATIC DYNAMIC INDEX SIZE RESIZE EXAMPLES Hits: 41884 Comments: 4

What is PHP?

PHP stands for Hypertext Preprocessor and is a server-side language. This article introduces you to PHP. You will learn basic PHP syntax, what it looks like, and possibilities that PHP provides you with. More...

PHP: Functions

A function is a block of code which can be called from any point in a script after it has been declared. It is basically a compartmentalized PHP script designed to accomplish a single task. Functions are useful because they contribute to rapid, reliable, error-reducing coding, and increase legibility by tiding up complicated code sequences. More...

Tags: PHP FUNCTIONS CREATE SCOPE LIFETIME RE-USABLE CODE Hits: 40119 Comments: 3

Using Cookies in PHP

A cookie is a message given to a Web browser by a Web server. The browser stores the message in a small text file that the server embeds on the user's computer. Each time the same computer requests a page with a browser, the cookie is sent back to the server too. The main purpose of cookies is to identify users and possibly prepare customized Web pages for them. In this tutorial you'll learn about using Cookies in PHP. More...

ASP: Functions and Subprocedures

You can write functions in ASP similar to the way you write them in Visual Basic. It is good programming practice to use functions to modularize your code and to better provide reuse. This article explains benefits of using functions and subprocedures, shows difference between them, and gives code for function that prints out info or takes an integer value and returns the square of that value. More...

ASP Response Object

The Response object is used to send output to the client from the web server. In this tutorial the syntax, collections, properties and methods of the ASP Response object are described. More...

ASP FileSystemObject Object

The FileSystemObject object provides access to the file system on the web server, allowing us to manipulate text files, folders and drives from within our code. In this tutorial the properties and methods of the FileSystemObject object are described. More...

ASP: Variables

Declaring variables in ASP is simple. You don't have to declare if your variable is an integer, string, or object. You just declare it, and it has the potential to be anything. To declare a variable in ASP/VBScript we use the Dim statement. If you wanted to print out the variables, you could use the ASP Response.Write command. Learn more about the rules for declaring and naming variables in ASP/VBScript and use of Option Explicit statement in our article Variables in ASP. More...

ASP: Cookies

A cookie is a message given to a Web browser by a Web server. The main purpose of cookies is to identify users and possibly prepare customized Web pages for them. This article explains benefits of using cookies and shows how to create and retrieve them. Dictionary cookies are also explained. More...

Access: Chr Function

In Access the Chr function returns the character associated with the specified ANSI code. More...

Tags: ACCESS FUNCTION CHR ANSI CODE Hits: 26555 Comments: 0

Access: Asc Function

In Access, the Asc function returns an integer representing the ANSI code corresponding to the first character in a string. More...

Tags: ACCESS ASC FUNCTION ANSI CODE Hits: 19895 Comments: 0

Access: Round Function

In Access, the Round function returns a number rounded to a specified number of decimal places. More...

Tags: ACCESS FUNCTION ROUND SPECIFIED DECIMAL Hits: 19877 Comments: 1

ASP Server Object

The Server object provides access to properties and methods on the server. Much of functionality it provides is simply functionality the web server itself uses in the normal processing of client requests and server responses. In this tutorial the syntax, properties and methods of the ASP Server object are described. More...

What is ASP?

ASP stands for Active Server Pages. It is a server side technology that enables you to make dynamic and interactive web pages that are not affected by the type of browser the web site visitor is using. More...

ASP: Constants

Constants just as variables are used to store information. The main difference between constants and variables is that constant value can not be changed in the process of running program. If we attempt to re-assign the value of the constant we'll get a run time error. More...

Tags: ASP CONSTANTS VARIABLES DECLARING CONST KEYWORDS Hits: 17881 Comments: 1

ASP File Object

The File object represents a specified file on the local machine or on a network share. To work with the File object's properties and methods, you need to create an instance of the FileSystemObject object first and then instantiate the File object through the GetFile method. Also you can get a File object reference from the Folder object, by using the Files Collection. More...

Tags: ASP FILE SCRIPTING OBJECTS FILESYSTEMOBJECT FOLDER REFERENCE Hits: 13624 Comments: 0

ASP Folder Object

The folder object represents a specified file folder on the current machine. We can use the properties and methods of the Folder object to traverse directories on the drive, and to get at all the properties of this or any other folder. To work with the Folder object's properties and methods, you need to create an instance of the FileSystemObject object first and then instantiate the Folder object through the GetFolder method. Also you can get a Folder object reference from the Drive object, by using the RootFolder property. More...

SQL: DELETE Statement

The Delete statement allows you to delete a single record or multiple records from a table. More...

Tags: SQL DE;ETE QUERY SINGLE MULTIPLE RECORDS TABLE Hits: 12727 Comments: 0

SQL: ALTER TABLE

Many times your design may have not accounted for everything it should have. Also, requirements for applications and databases in particular are always subject to change. The ALTER TABLE statement allows to change the structure of a table after it has been created. More...

Tags: SQL ALTER TABLE STRUCTURE ADD DELETE MODIFY Hits: 12395 Comments: 0

What can ASP do for you?

List with some of possibilities that ASP provides you with. More...

Better PHP developer

Many web developers consider PHP as a second class language. The truth is, as DHH puts it: "You can build the best web application in the world with any language you want". We are here not to start a religious war but to help beginner PHP developers get better. Here is the some of the best advice from season PHP programmers.

First steps

  1. Get into the habit of commenting your code thoroughly from the outset, your future self will thank you https://www.phpdoc.org/
  2. Ignore any online tutorials, stack-overflow solutions or any other PHP code snippets on the internet that are older than 3 or 4 years (use Google's advanced search date tools to filter out older content). PHP had evolved dramatically in the last few years, and much of what is out there is wrong, insecure and bad practice. More...

    Tags: PHP,DEVELOPER,BEGINNER Hits: 3265 Comments: 0

Cannot load from mysql.proc. The table is probably corrupted

After upgrading MySQL from version 5.0 to 5.5 I started getting the following message trying to edit table structure in Navicat: "Cannot load from mysql.proc. The table is probably corrupted". Luckily there is an easy fix. More...

Tags: SQL,MYSQL,UPGRADE Hits: 136 Comments: 0



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