ultrajohn

ultrajohn has asked 12 questions and find answers to 12 problems.

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ultrajohn questions

Already Registered at /admin/ Django 1.2 error
Thread Vs javax.swing.Timer, controlling game animation in Java?
blacklisting vs whitelisting in form's input filtering and validation
cost estimation in software development project, Function Points?
Path of Images inside a component in Joomla
Abstract Inheritance in Django Model, causing MAX recursion depth error
UNIQUE and PRIMARY KEY
Why exactly should I not call free() on variables not allocated by malloc()?
Missing XMLReader in my PHP version?

ultrajohn answers

Foreign key to table A or table B
What does the colon (:) operator do?
Python: How do I create sequential file names?
Django doesn't validate on create?
Call to undefined function curl_init() even it is enabled in php7