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What's the difference between %s and %d in Python string formatting?
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what do you call these %s, %d, etc?
– Chaine
May 19 '17 at 18:21
1
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Can mustache iterate a top-level array?
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Note: top level array is not supported by Hogan: github.com/twitter/hogan.js/issues/74. Use the solution with a property: stackoverflow.com/a/8360440/470117
– mems
Apr 4 '19 at 20:11
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Unicode equivalents for \w and \b in Java regular expressions?
...cter class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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Some built-in to pad a list in python
...mplements Python itertools recipes including padnone and take as mentioned by @kennytm, so they don't have to be reimplemented:
list(mit.take(N, mit.padnone(a)))
# [1, None, None, None, None]
If you wish to replace the default None padding, use a list comprehension:
["" if i is None else i for i...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...h of Mac OS X Mavericks anymore.
Bulletproof solution:
Download and install Homebrew by executing following command in terminal:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install Apache Ant via Homebrew by executing
brew install ant
Run...
Multiple Indexes vs Multi-Column Indexes
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Is Random class thread safe?
...rogram to require such a guarantee, especially as you cannot determine the order in which nextInt() will be called.
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Determining memory usage of objects? [duplicate]
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subset(ll(), KB > 1000) # list of object that have over 1000 KB
ll()[order(ll()$KB),] # sort by the size (ascending)
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How to completely uninstall Android Studio on Mac?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...e I was unable to find a relevant implementation I decided to accept the challenge.
I made some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >...