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Shared-memory objects in multiprocessing
...!')
def __freeArray(self, hdl):
self.lock.acquire()
# set reference to None
if self.shared_arrays[hdl] is not None: # consider multiple calls to free
self.shared_arrays[hdl] = None
self.cnt -= 1
self.lock.release()
def __getArray(self...
Creating a dictionary from a csv file?
...ion. d = dict(reader) is much shorter and significantly faster on huge datasets.
– Alex Laskin
Jul 19 '11 at 1:44
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not None test in Python [duplicate]
...None:
# ...
is the Pythonic idiom for testing that a variable is not set to None. This idiom has particular uses in the case of declaring keyword functions with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python scrip...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...ve had pretty bad experiences of using WebKit with C# and finally I had to settle on the default web browser component which comes with .NET
– Sumit Ghosh
Dec 10 '10 at 23:54
1
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Cannot push to GitHub - keeps saying need merge
...eGreene describes, as well as two ways to avoid it in the first place when setting up a new repository.
– Kevin Markham
Oct 26 '14 at 17:45
4
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Vertically align text to top within a UILabel
...
There's no way to set the vertical-align on a UILabel, but you can get the same effect by changing the label's frame. I've made my labels orange so you can see clearly what's happening.
Here's the quick and easy way to do this:
[myLabel ...
How to know when UITableView did scroll to bottom in iPhone
...
The best way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and then using the indexPath it ret...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
I am looking at the MvcContrib Grid component and I'm fascinated, yet at the same time repulsed, by a syntactic trick used in the Grid syntax :
...
Rename all files in directory from $filename_h to $filename_half?
...
Just use bash, no need to call external commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
...
Write a function that returns the longest palindrome in a given string
...that and knowing there's no palindrome on the corners of the input, we can set the boundaries to 1 and length-1. While paying attention to the minimum and maximum boundaries of the String, we verify if the characters at the positions of the symmetrical indexes (right and left) are the same for each ...