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All pages tagged VAL

PHP: Multidimensional Arrays

Array does not have to be a simple list of keys and values; each array element can contain another array as a value, which in turn can hold other arrays as well. This way, you can create a multi-dimensional array. In this article principles of using multidimensional arrays are explained and source code defining multidimensional array and displaying the array values on the web page is given. More...

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...

Secure File Upload with PHP

PHP makes uploading files easy. You can upload any type of file to your Web server. In spite of security issues that should be addressed before enabling file uploads, the actual mechanisms to allow this are straight forward. In this tutorial we will consider how to upload files to some directory on your Web server. We will also discuss security issues concerned with the file uploading. More...

Tags: PHP SECURE FILE UPLOAD HTML VALIDATION SIZE TYPE UNIQUE Hits: 390538 Comments: 45

Access: DateDiff Function

In Access, the DateDiff function returns the number of time intervals between two dates. More...

Tags: ACCESS FUNCTION DATEDIFF TIME INTERVAL DATE Hits: 58981 Comments: 0

Access: Sum Function

In Access, the Sum function returns the sum of a set of values in a set of values in a select query. More...

Tags: ACCESS FUNCTION SUM SELECT QUERY VALUE Hits: 42441 Comments: 1

Access: DateAdd Function

In Access, the DateAdd function Adds a specified time interval to a date. More...

Tags: ACCESS FUNCTION DATEADD TIME INTERVAL DATE Hits: 41385 Comments: 2

Access: DateValue Function

In Access, the DateValue function returns the date represented by the date of a String argument. More...

Tags: ACCESS FUNCTION DATEVALUE DATE STRING Hits: 34454 Comments: 0

Access: IsNull Function

In Access, the IsNull function returns a boolean value that indicates whether or not an expression contains no valid data (Null). More...

Tags: ACCESS FUNCTION ISNULL VALID Hits: 32065 Comments: 1

ASP Dictionary Object

The Dictionary object is used to store name/value pairs (referred to as the key and item respectively). The Dictionary object is like an associative array, but with its own built-in functionality that looks after the basic tasks of storing and manipulating the data, and sizing for the required number of elements. More...

Access: Val Function

In Access, the Val function returns a variant indicating the sign of a number. More...

Tags: ACCESS FUNCTION VAL VARIANT INDICATE Hits: 22871 Comments: 0

Access: IsNumeric Function

In Access, the IsNumeric function returns a value indicating whether or not an expression can be converted to a numeric data type. More...

Tags: ACCESS FUNCTION ISNUMERIC INDICATE VALUE EXPRESSION Hits: 17558 Comments: 0

Access: Abs Function

In Access, the Abs funtion returns the absolute value of a number. More...

Tags: ACCESS FUNCTION ABS ABSOLUTE VALUE Hits: 16032 Comments: 0

Access: TimeValue Function

In Access, the TimeValue function returns the time represented by a string argument. More...

Tags: ACCESS FUNCTION TIMEVALUE REPRESENTATION TIME Hits: 14365 Comments: 1



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