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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...
Create timestamp variable in bash script
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336
In order to get the current timestamp and not the time of when a fixed variable is defined, th...
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...
RedirectToAction with parameter
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answered Aug 10 '09 at 22:38
Kurt SchindlerKurt Schindler
19.2k33 gold badges3636 silver badges4747 bronze badges
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Maximum execution time in phpMyadmin
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edited Jun 16 '17 at 1:13
Simon East
42.7k1313 gold badges124124 silver badges116116 bronze badges
ans...
Intelli J IDEA takes forever to update indices
...talled Intelli J on my machine and imported a rather large Maven project (13k+ files).
9 Answers
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In pure functional languages, is there an algorithm to get the inverse function?
...Daniel Wagner
120k99 gold badges188188 silver badges332332 bronze badges
3
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How to comment out a block of code in Python [duplicate]
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434
Python does not have such a mechanism. Prepend a # to each line to block comment. For more info...
PHP array: count or sizeof?
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93
According to phpbench:
Is it worth the effort to calculate the length of the loop in advance?
...