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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
...
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
...|
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 can you do anything useful without mutable state?
... {
Stack<int> x = Stack.Cons(1, Stack.Cons(2, Stack.Cons(3, Stack.Cons(4, null))));
Stack<int> y = Stack.Cons(5, Stack.Cons(6, Stack.Cons(7, Stack.Cons(8, null))));
Stack<int> z = Stack.Append(x, y);
Stack.Iter(z, a => Console.Writ...
Why split the tag when writing it with document.write()?
...
375
</script> has to be broken up because otherwise it would end the enclosing <script>...