CARVIEW |
Topics: validation
Feed Subscription
Email Subscription

Please sign in or register to post.

Please sign in or register to post.
-
Geocoding and Data Checking 436,106 Addresses
By kiwitobes: 30 October 2009 - 04:33 PM
We had a project where, when we first looked at the data, we thought it would be really important to geocode 436,106 unique addresses. That is, we wanted to associate a latitude and longitude wit...
-
How to Tell a User Added Your Facebook App
By Jay Goldman: 29 October 2009 - 01:04 PM
If you need to check whether a user has added my app, use the Users.isAppAdded( ) method:$hasAdded = $facebook->api_client->users_isAppAdded();Users.isAppAdded( ) re...
-
Highlight Invalid Worksheet Data in Excel
By CurtFrye: 13 October 2009 - 02:59 PM
I provide IT support for a building supply company, and one of my prime responsibilities is maintaining a spreadsheet with lots of customer information, including credit limits. Over the last six mont...
-
How to Avoid Duplicate Entries in a Column with Excel
By CurtFrye: 12 October 2009 - 12:15 PM
I take inbound calls at a tech-support center, and we track the various callers by recording their phone number in a spreadsheet. The number of different callers is supposedly vital information, and m...
-
Use Data in Another Worksheet as Validation Criteria
By adfm: 08 October 2009 - 08:48 AM
If you've ever wondered how to use data from one worksheet to validate another, then this excerpt from Excel Annoyances should help. I have the names of all 50 states in the U.S., plus the Dist...
-
How to Restrict Data Entry with Validation Rules in Excel
By CurtFrye: 29 September 2009 - 09:35 AM
I'm a manager at an engineering company, and I hired an out-of-work political science major to do data entry and other clerical stuff. We don't pay him a lot, but our deal is that he gets to learn abo...
-
How to validate URLs with regular expressions
By Jan Goyvaerts: 28 September 2009 - 11:03 AM
If you want to check whether a given piece of text is a URL that is valid for your purposes, you can try one of the following solutions: Allow almost any URL: ^(https?|ftp|file)://....
-
How to use a custom validation object with JavaScript
By dannyg1: 02 September 2009 - 12:38 PM
Use the code in the example below as a model for designing a single object that contains methods for each of your validation routines. The example uses modern event techniques for the form element'...
-
How to prevent form submission upon validation failure with JavaScript
By dannyg1: 02 September 2009 - 10:05 AM
Batch validation checking typically operates from the submit event handler of the form element. Submission is aborted if the event handler evaluates to return false. Include the return statement in th...
-
How to perform common text field validations with JavaScript
By dannyg1: 02 September 2009 - 09:49 AM
Apply the library of text field validation routines shown in the Discussi on (Example A, “Backward-compatible text field validation functions” and Example B, “Text f...
- 1
![]() ©2009, O'Reilly Media, Inc. (707) 827-7000 / (800) 998-9938 All trademarks and registered trademarks appearing on oreilly.com are the property of their respective owners. |
About O'Reilly Academic Solutions Authors Contacts Customer Service Jobs Newsletters O'Reilly Labs Press Room Privacy Policy RSS Feeds Terms of Service User Groups Writing for O'Reilly |
Content Archive Business Technology Computer Technology Microsoft Mobile Network Operating System Digital Photography Programming Software Web Web Design |
More O'Reilly Sites O'Reilly Radar Ignite Tools of Change for Publishing Digital Media Inside iPhone makezine.com craftzine.com hackszine.com perl.com xml.com Partner Sites InsideRIA java.net O'Reilly Insights on Forbes.com |