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Algorithm to detect intersection of two rectangles?
...e = v(n) - v(n-1)
You can get a perpendicular to this by rotating it by 90°. In 2D this is easy as:
rotated.x = -unrotated.y
rotated.y = unrotated.x
So no trigonometry or slopes involved. Normalizing the vector to unit-length is not required either.
If you want to test if a point is on o...
How to add an Access-Control-Allow-Origin header
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answered Feb 15 '11 at 20:28
MazatecMazatec
10.2k2323 gold badges6363 silver badges105105 bronze badges
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What does @hide mean in the Android source code?
...bject o = m.invoke(null, new Object[]{"android.permission.READ_CONTACTS", 10010});
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How to link godaddy domain with AWS Elastic Beanstalk environment?
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105
No need to create a CNAME or do any forwarding - this is bad from the point of SEO and not reco...
Making 'git log' ignore changes for certain paths
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It is implemented now (git 1.9/2.0, Q1 2014) with the introduction pathspec magic :(exclude) and its short form :! in commit ef79b1f and commit 1649612, by
Nguyễn Thái Ngọc Duy (pclouds), documentation can be found here.
You now can log everything excep...
How can I convert my device token (NSData) into an NSString?
... iDevAmit
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answered Feb 21 '12 at 5:52
kulsskulss
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Is it .yaml or .yml?
...3 is hard to get out of (and, appallingly, still occasionally relevant in 2013).
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How can I put a ListView into a ScrollView without it collapsing?
...uhammad Babar
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answered Aug 16 '10 at 18:19
Romain GuyRomain Guy
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Check if checkbox is checked with jQuery
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709
IDs must be unique in your document, meaning that you shouldn't do this:
<input type="check...
How to Remove Array Element and Then Re-Index Array?
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unset($foo[0]); // remove item at index 0
$foo2 = array_values($foo); // 'reindex' array
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