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Rails: How can I set default values in ActiveRecord?
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edited Jul 11 '17 at 2:14
John Donner
35044 silver badges1010 bronze badges
answered Feb 26 '11 at 15:...
Getting the first and last day of a month, using a given DateTime object
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496
DateTime structure stores only one value, not range of values. MinValue and MaxValue are stati...
Socket.IO Authentication
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104
Use connect-redis and have redis as your session store for all authenticated users. Make sure on...
How to combine two or more querysets in a Django view?
... key=lambda instance: instance.date_created)
If you're using Python 2.4 or later, you can use attrgetter instead of a lambda. I remember reading about it being faster, but I didn't see a noticeable speed difference for a million item list.
from operator import attrgetter
result_list = sorted(
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Why does C++ not allow inherited friendship?
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4
Bingo. It's all about limiting the damage you can cause by changing a class's internals.
– j_random_hacker
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Sort array of objects by single key with date value
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Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
var keyA = new Dat...
Android Center text on canvas
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384
Try the following:
int xPos = (canvas.getWidth() / 2);
int yPos = (int) ((canvas.getHeight() ...
Bash if [ false ] ; returns true
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chepnerchepner
357k4646 gold badges352352 silver badges475475 bronze badges
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What is the difference between atomic and critical in OpenMP?
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edited Jun 27 '16 at 14:06
answered Oct 17 '11 at 20:11
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