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ALTER TABLE without locking the table?
...MySQL, the whole table is read-locked (allowing concurrent reads, but prohibiting concurrent writes) for the duration of the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", like adding a column in such a way that t...
Correct way to use _viewstart.cshtml and partial Razor views?
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edited Nov 2 '10 at 23:01
answered Nov 2 '10 at 21:23
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Adding multiple columns AFTER a specific column in MySQL
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does the last bit of code add the columns in the order count, log, status or count, status, log?
– Sarfaraaz
Jul 20 '15 at 9:06
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What does the Ellipsis object do?
...t;>> a
array([[ 1, 2, 3, 4],
[ 5, 6, 7, 8],
[ 9, 10, 11, 12],
[13, 14, 15, 16]])
>>> a[:2,:2] # top left
array([[1, 2],
[5, 6]])
Extending this further, Ellipsis is used here to indicate a placeholder for the rest of the array dimensions not speci...
How to check for null in Twig?
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answered Dec 23 '10 at 16:12
NikiCNikiC
93.7k3030 gold badges176176 silver badges217217 bronze badges
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How can jQuery deferred be used?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jan 22 '12 at 11:03
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Are HLists nothing more than a convoluted way of writing tuples?
...he support for runtime compilation as a component of Scala reflection in 2.10, even this is no longer an insuperable obstacle ... we can use runtime compilation to provide a form of lightweight staging and have our static typing performed at runtime in response to dynamic data: excerpt from the prec...
Javascript - Append HTML to container element without innerHTML
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102
To give an alternative (as using DocumentFragment does not seem to work): You can simulate it ...
Rails layouts per action?
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edited Jun 10 '19 at 20:25
answered Jun 11 '10 at 19:58
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Substitute multiple whitespace with single whitespace in Python [duplicate]
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answered Jan 16 '10 at 15:54
Alex MartelliAlex Martelli
724k148148 gold badges11251125 silver badges13241324 bronze badges
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