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iPhone UITextField - Change placeholder text color
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edited Jun 22 '14 at 15:36
answered Dec 4 '12 at 3:08
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Fastest way to check if a value exists in a list
... Rafe KettlerRafe Kettler
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How do I convert a String object into a Hash object?
...ct.new}, then its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax.
However, if all that's in the hash is strings, symbols, numbers, and arrays, it should work, because...
ValueError: setting an array element with a sequence
...d like a multi-dimensional array. For example
numpy.array([[1,2], [2, 3, 4]])
or
numpy.array([[1,2], [2, [3, 4]]])
will yield this error message, because the shape of the input list isn't a (generalised) "box" that can be turned into a multidimensional array. So probably UnFilteredDuringExSu...
What's the difference between lists and tuples?
...ge and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to store notes on locations. A list on the other hand could be used to store multiple locations. Naturally one might want to add or remove l...
Android selector & text color
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406
I got by doing several tests until one worked, so:
res/color/button_dark_text.xml
<?xml ve...
Android: checkbox listener
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edited May 13 '14 at 16:43
primax79
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answered Dec 5 '11 a...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
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4 Answers
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Active
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Shortest distance between a point and a line segment
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451
Eli, the code you've settled on is incorrect. A point near the line on which the segment lies ...
Tracking CPU and Memory usage per process
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edited Jun 29 '12 at 0:41
Marquis of Lorne
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