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Excel functions--date, Substitute, REPLACE, ISERROR, IFERROR

1. DATEThe date function returns a sequential sequence number that represents a specific date. For example, the formula=date (2008,7,8)Returns 2008-7-8 or 39637, depending on the format of the cell, but empty cells are calculated and the default

Take a closer look at Pear's error handling

Error | Error handling pear provides a powerful error-handling mechanism. This article shows you how to benefit from this system. Many programs already use Pear's package. Many PHP programmers are more or less familiar with the error handling in

Write quick search for new code in IBM Lotus Notes and Domino

Raphael Savir, main developer, ls development configurationraphael Savir is the main developer of LS Development Corporation (http://www.lsdevelopment.com) and has been committed to developing notes/Domino applications since the beginning of 1990s

Five common PHP database problems

Data | database | questions Expose five common database problems that occur in PHP applications-including database schema design, database access, and business logic code that uses the database-and their solutions.If only one way to use the database

A few common PHP database problems

Data | database | questions "Digest" resolves five common database problems that occur in PHP applications-including database schema design, database access, and business logic code that uses the database-and their solutions.Resolves five common

Edit the Prodigal version form validation class _javascript tips

Autor: Editor of the Prodigal Son From:http://bbs.51js.com/thread-68161-1-1.html Form Validation Class function Validatorclass () { var IsError = false; Check the name, you can only enter Chinese, letters, numbers, underscores This. Chkname =

Five common PHP database problems

Expose five common database problems in php applications-including database pattern design, database access and use of database business logic code-and their solutions. If there is only one way to use the database, it is correct ...... You can

Five common PHP database issues

Uncover the five common database problems that occur in PHP applications-including database schema design, database access, and business logic code that uses the database-and their solutions. If only one way to use the database is correct ... You

Five vulnerable PHP database errors _ PHP Tutorial

Five vulnerable PHP database errors. Five vulnerable PHP database errors-including database pattern design, database access and database use business logic code-and their solutions. If there is only one way to use five vulnerable PHP database errors-

Five common PHP database titles

Expose the five common database titles that PHP uses to present in a program-Business logic code that includes database pattern design, database visits, and application databases-and their solutions. Expose the five common database titles that PHP

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