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How do I parallelize a simple Python loop?
...eads on CPython won't give you better performance for pure-Python code due to the global interpreter lock (GIL). I suggest using the multiprocessing module instead:
pool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, offset)))
Note that this won't wo...
How to overwrite the previous print to stdout in python?
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One way is to use the carriage return ('\r') character to return to the start of the line without advancing to the next line:
for x in range(10):
print '{0}\r'.format(x),
print
The comma at the end of the print statement tells it n...
Problems with Android Fragment back stack
...ve got a massive problem with the way the android fragment backstack seems to work and would be most grateful for any help that is offered.
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How to concatenate multiple lines of output to one line?
...p pattern , I get many lines of output. How do you concatenate all lines into one line, effectively replacing each "\n" with "\" " (end with " followed by space)?
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...esult of evaluating the expression itself.
++i increments i and evaluates to the new value of i.
i++ evaluates to the old value of i, and increments i.
The reason this doesn't matter in a for loop is that the flow of control works roughly like this:
test the condition
if it is false, terminate
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Best exception for an invalid generic type argument
...ntly writing some code for UnconstrainedMelody which has generic methods to do with enums.
11 Answers
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Why is there no String.Empty in Java?
...ou can first get an empty String, and perform some operations on it - best to use a StringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a String.
Update
From your comment to the question:
What inspired this is actually
TextBox.setText("");
I believe it would be ...
Custom Cell Row Height setting in storyboard is not responding
I am trying to adjust the cell height for one of the cells on my table view. I am adjusting the size from the "row height" setting inside the "size inspector" of the cell in question. When I run the app on my iPhone the cell has the default size set from the "row size" in the table view.
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Emacs mode for Stack Overflow's markdown
I am using Org-mode in Emacs to handle all my technical documentation. I would like to use Emacs to prepare questions that I have for Stack Overflow. Is there an Emacs mode for that, or even better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatti...
How do I run a shell script without using “sh” or “bash” commands?
I have a shell script which I want to run without using the "sh" or "bash" commands. For example:
11 Answers
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