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Ruby on Rails Callback, what is difference between :before_save and :before_create?
...ated_at.
– Chowlett
Nov 11 '13 at 9:24
Also remember before_create refers to a new object being saved to the database,...
Unique constraint that allows empty values in MySQL
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...
Tim
3,61244 gold badges2828 silver badges4646 bronze badges
answered Jun 23 '15 at 23:09
Rodolpho BrockRodolp...
Enable bundling and minification in debug mode in ASP.NET MVC 4
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edited Apr 24 '15 at 12:49
answered Apr 16 '13 at 7:16
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Insert the carriage return character in vim
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
Django fix Admin plural
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
How to handle command-line arguments in PowerShell
.../2011/05/22/…
– v.karbovnichy
Jun 24 '14 at 15:00
7
...
C++ const map element access
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answered Feb 27 '11 at 17:24
Konrad RudolphKonrad Rudolph
461k118118 gold badges863863 silver badges11101110 bronze badges
...
Start may not be called on a promise-style task. exception is coming
...
answered Mar 1 '13 at 21:24
Mathias Lykkegaard LorenzenMathias Lykkegaard Lorenzen
13k1919 gold badges8080 silver badges155155 bronze badges
...
What does template mean?
...al<0>
{
enum { value = 1 };
};
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
s...