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How can I remove the first line of a text file using bash/sed script?
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Try tail:
tail -n +2 "$FILE"
-n x: Just print the last x lines. tail -n 5 would give you the last 5 lines of the input. The + sign kind of inverts the argument and make tail print anything but the first x-1 lines. tail -n +1 would print the w...
How to normalize a NumPy array to within a certain range?
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audio /= np.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows you to eliminate an intermediate temporary array, thus saving some memory. Multiplication is less expensive than division, so
image *= 255.0/image.max() # Uses 1 division and ...
Please explain some of Paul Graham's points on Lisp
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;; this is the interesting bit:
(println (str/replace-re #"\d+" "FOO" "a123b4c56"))
This snippet of Clojure code prints out aFOObFOOcFOO. Note that Clojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would ...
Reduce left and right margins in matplotlib plot
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259
One way to automatically do this is the bbox_inches='tight' kwarg to plt.savefig.
E.g.
impor...
FixedThreadPool vs CachedThreadPool: the lesser of two evils
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Ravindra babu
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answered Jul 30 '13 at 21:50
Trevor FreemanTrevor Freeman
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Explanation of BASE terminology
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The BASE acronym was defined by Eric Brewer, who is also known for formulating the CAP theorem...
I can not find my.cnf on my windows computer [duplicate]
...Server 5.6\my.ini" MySQL56
Full answer here:
https://stackoverflow.com/a/20136523/1316649
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Create empty file using python [duplicate]
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2 Answers
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Set up git to pull and push all branches
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answered May 7 '12 at 8:39
brimble2010brimble2010
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