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Primary key/foreign Key naming convention [closed]
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edited Feb 20 '12 at 2:47
answered Sep 2 '09 at 19:18
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Redirect website after certain amount of time
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answered Jul 20 '10 at 16:14
Darin DimitrovDarin Dimitrov
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Recursively list all files in a directory including files in symlink directories
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answered Sep 19 '08 at 20:23
Michael RidleyMichael Ridley
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UIView frame, bounds and center
...specific subview. For example:
// view1 will be positioned at x = 30, y = 20 starting the top left corner of [self view]
// [self view] could be the view managed by a UIViewController
UIView* view1 = [[UIView alloc] initWithFrame:CGRectMake(30.0f, 20.0f, 400.0f, 400.0f)];
view1.backgroundColor ...
Why are Where and Select outperforming just Select?
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answered Aug 20 '13 at 13:12
AlexAlex
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What are the differences between numpy arrays and matrices? Which one should I use?
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print(a)
# [[4 3]
# [2 1]]
print(b)
# [[1 2]
# [3 4]]
print(a*b)
# [[13 20]
# [ 5 8]]
On the other hand, as of Python 3.5, NumPy supports infix matrix multiplication using the @ operator, so you can achieve the same convenience of matrix multiplication with ndarrays in Python >= 3.5.
impo...
Do I have to guard against SQL injection if I used a dropdown?
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edited Mar 20 '14 at 13:27
answered Mar 20 '14 at 13:25
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How do I change the font size of a UILabel in Swift?
...can do it like this:
label.font = UIFont(name: label.font.fontName, size: 20)
Or like this:
label.font = label.font.withSize(20)
This will use the same font. 20 can be whatever size you want of course.
Note: The latter option will overwrite the current font weight to regular so if you want to...
How do I limit the number of returned items?
...his:
var q = models.Post.find({published: true}).sort({'date': -1}).limit(20);
q.exec(function(err, posts) {
// `posts` will be of length 20
});
or you can chain it together simply like that:
models.Post
.find({published: true})
.sort({'date': -1})
.limit(20)
.exec(function(err, pos...
Understanding dict.copy() - shallow or deep?
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answered Oct 20 '10 at 6:54
kennytmkennytm
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