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A weighted version of random.choice
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@JnBrymn You need to check r <= 0. Consider an input set of 1 items, and a roll of 1.0. The assertion will fail then. I corrected that error in the answer.
– moooeeeep
Nov 11 '15 at 10:38
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Python recursive folder read
...e a C++/Obj-C background and I am just discovering Python (been writing it for about an hour).
I am writing a script to recursively read the contents of text files in a folder structure.
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How to permanently remove few commits from remote branch
I know that's rewriting of history which is bad yada yada.
8 Answers
8
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Representing and solving a maze given an image
...mage -> Adjustments -> Black & White.
Convert image to binary by setting appropriate threshold in Photoshop in Image -> Adjustments -> Threshold.
Make sure threshold is selected right. Use the Magic Wand Tool with 0 tolerance, point sample, contiguous, no anti-aliasing. Check that ed...
How to decompile a whole Jar file? [closed]
...if [ -n "$1" ]
then
if [ "$2" == "-d" ]; then
debug=true
set -x
fi
work $1
else
usage
fi
chmod +x decomplie.jar.sh //executable
ln -s ./decomplie.jar.s /usr/bin/dj
Ready to use, just type dj your.jar and you will get your.jar.src folder with sources. Use -d optio...
How can I get a file's size in C++? [duplicate]
...mplementary question to this one .
What is the most common way to get the file size in C++?
Before answering, make sure it is portable (may be executed on Unix, Mac and Windows),
reliable, easy to understand and without library dependencies (no boost or qt, but for instance glib is ok since it is p...
How can I create a self-signed cert for localhost?
... the steps detailed in How do you use https / SSL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning.
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Sleeping in a batch file
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REM GET ENDING SECOND
FOR /F "TOKENS=1-3 DELIMS=:." %%A IN ("%TIME%") DO SET /A H=%%A, M=1%%B%%100, S=1%%C%%100, ENDING=(H*60+M)*60+S+%1
REM WAIT FOR SUCH A SECOND
:WAIT
FOR /F "TOKENS=1-3 DELIMS=:." %%A IN ("%TIME%") DO SET /A H=%%A, M=1%%B%%100, S=1%%C%%100, CURRENT=(H*60+M)*60+S
IF %CURRENT% L...
How to find out what type of a Mat object is with Mat::type() in OpenCV
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In OpenCV header "types_c.h" there are a set of defines which generate these, the format is CV_bits{U|S|F}C<number_of_channels>
So for example CV_8UC3 means 8 bit unsigned chars, 3 colour channels - each of these names map onto an arbitrary integer with the ma...
How to rename with prefix/suffix?
How do I do mv original.filename new.original.filename without retyping the original filename?
9 Answers
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