Tips and Tricks

A list of user-submitted tips & tricks

searching
native SQL
databases

Cloning a Record
Export data to Excel
Find duplicate records
Database backup
shopping
browser info

AJAX and WEBDNA
reCAPTCHA code
Setting a 30-minute Cookie
technical

ImageMagick
PayPal gateway
Paypal IPN
Check the Federal Government's Social Security database
WebDNA interaction with zip
text manipulation

Annoying character on writefile
Do you hate updating the copyright notice at the bottom of all your pages?
Extracting the first sentence out of a block of text
Formatting a long list in a table
How to keep the text variable after a function has finished
Removing whitespace
Spaghetti code
miscellaneous

How to setup CODA to work with WebDNA?
Calculating Standard Deviation
How to create a RSS feed
Using a simple Array of Variables with [interpret]
Write Once Use Many
files & folders

File upload example
dates & times

How old am I?
How many working days?
Redefining [date] & [time] to match your time zone
showing & hiding

Hideif on IP range
passwords

Handling credit card numbers
random password-generator code
xml

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Related Readings:

Hideif on IP range

This will show or hide stuff according to the IP...

Removing whitespace

How can I remove all whitespace entered by a user from an input box (ie card number)...

Redefining [date] & [time] to match your time zone

Your server is not always in the same time zone as your web site...

WebDNA interaction with zip

I have a project where I'm allowing several people to upload images...

How to keep the text variable after a function has finished

By default...

Annoying character on writefile

How do I get rid of or convert the line feed character during a writefile?...