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Unique fields that allow nulls in Django
...L to be equal to NULL for the purpose of uniqueness checks since ticket #9039 was fixed, see:
http://code.djangoproject.com/ticket/9039
The issue here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, n...
When to use dynamic vs. static libraries
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305
Static libraries increase the size of the code in your binary. They're always loaded and whate...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... command-line processor this variable contains the script name since PHP 4.3.0. Previously it was not available.
'SCRIPT_NAME'
Contains the current script's path. This is useful for pages which need to point to themselves. The __FILE__ constant contains the full path and filename ...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
...stamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP.
30 Answers
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Is there a way to check if int is legal enum in C#?
... None = 0, Dog = 1, Cat = 2, Rodent = 4, Bird = 8, Reptile = 16, Other = 32
};
public class Example
{
public static void Main()
{
object value;
// Call IsDefined with underlying integral value of member.
value = 1;
Console.WriteLine("{0}: {1}", value, Enum.IsDef...
Visual Studio: ContextSwitchDeadlock
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edited Jan 3 '17 at 13:15
GôTô
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Converting camel case to underscore case in ruby
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370
Rails' ActiveSupport
adds underscore to the String using the following:
class String
def ...
php: determine where function was called from
...s one!
– David Yell
Nov 9 '12 at 10:37
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