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psycopg2: insert multiple rows with one query
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Alex Riley
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answered Apr 13 '12 at 19:53
ant32ant32
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Check if string matches pattern
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483
import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)
Edit: As noted in the...
What is the best way to compute trending topics or tags?
...) / std
Sample Output
>>> zscore(12, [2, 4, 4, 4, 5, 5, 7, 9])
3.5
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20])
0.0739221270955
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
1.00303599234
>>> zscore(2, [21, 22, 19, 18, 17, 22, 20,...
How to increase scrollback buffer size in tmux?
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3 Answers
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How to determine if an NSDate is today?
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310
In macOS 10.9+ & iOS 8+, there's a method on NSCalendar/Calendar that does exactly this!
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What's the difference between Jetty and Netty?
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3 Answers
3
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How to create a video from images with FFmpeg?
...ideo filter instead of -r for the output framerate
ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4
Alternatively the format video filter can be added to the filter chain to replace -pix_fmt yuv420p like "fps=25,format=yuv420p". The advantage of this method is tha...
How does this CSS produce a circle?
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373
How does a border of 180 pixels with height/width-> 0px become a circle with a radius of...