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Using isKindOfClass with Swift
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answered Jun 14 '14 at 13:29
KPMKPM
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What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
What is the difference between `sorted(list)` vs `list.sort()`?
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sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts th...
Eclipse fonts and background color
...to be a way to do this, at least not in an obvious way. I am using version 3.3.
10 Answers
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Stop “developer tools access needs to take control of another process for debugging to continue” ale
I recently upgraded to 10.7.3, and when I try to debug my iOS project in the simulator for the first time after logging in, I'm prompted with the following two alerts:
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Python nested functions variable scoping [duplicate]
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edited Oct 30 '14 at 5:16
answered Nov 7 '12 at 20:08
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How do you create nested dict in Python?
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313
A nested dict is a dictionary within a dictionary. A very simple thing.
>>> d = {}
&...
How to dynamically compose an OR query filter in Django?
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13 Answers
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Font Awesome not working, icons showing as squares
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According to the documentation (step 3), you need to modify the supplied CSS file to point to the font location on your site.
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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3 Answers
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