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Git: Remove committed file after push
...sibility to revert a committed file in Git? I've pushed a commit to GitHub and then I realized that there's a file which I didn't want to be pushed (I haven't finished the changes).
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Why is DarkGray lighter than Gray?
... on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (50% gray). However, in X11, "gray" was
assigned to the 190 triplet (74.5%), which is close to W3C "Silver"
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Get all table names of a particular database by SQL query?
... on application which can deal with multiple database servers like "MySQL" and "MS SQL Server".
19 Answers
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PHP validation/regex for URL
I've been looking for a simple regex for URLs, does anybody have one handy that works well? I didn't find one with the zend framework validation classes and have seen several implementations.
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Python decorators in classes
... Test()
test.bar()
This avoids the call to self to access the decorator and leaves it hidden in the class namespace as a regular method.
>>> import stackoverflow
>>> test = stackoverflow.Test()
>>> test.bar()
start magic
normal call
end magic
>>>
edited t...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...ransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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How to remove duplicate values from a multi-dimensional array in PHP
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Because of unserialize this is slower and slower the larger and more complex the array is. There is a reason I used array_intersect_key (half a year before this answer).
– OIS
Feb 8 '13 at 23:00
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PHP Sort a multidimensional array by element containing date
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Use usort() and a custom comparison function:
function date_compare($a, $b)
{
$t1 = strtotime($a['datetime']);
$t2 = strtotime($b['datetime']);
return $t1 - $t2;
}
usort($array, 'date_compare');
EDIT: Your data is or...
Add object to ArrayList at specified index
... position3 all the time I'd suggest you use a HashMap with position as key and object as a value.
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What does Html.HiddenFor do?
...ul for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
Consider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
N...