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When saving, how can you check if a field has changed?
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25 Answers
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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 "$FILE"
-n x: Just print the last x lines. tail -n 5 would give you the last 5 lines of the input. The + sign kind of inverts the argument and make tail print anything but the first x-1 lines. tail -n +1 would print the w...
How to normalize a NumPy array to within a certain range?
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audio /= np.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows you to eliminate an intermediate temporary array, thus saving some memory. Multiplication is less expensive than division, so
image *= 255.0/image.max() # Uses 1 division and ...
What do hjust and vjust do when making a plot using ggplot?
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2 Answers
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Explanation of BASE terminology
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200
The BASE acronym was defined by Eric Brewer, who is also known for formulating the CAP theorem...
How to add many functions in ONE ng-click?
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You have 2 options :
Create a third method that wrap both methods. Advantage here is that you put less logic in your template.
Otherwise if you want to add 2 calls in ng-click you can add ';' after edit($index) like this
ng-click="...
How to detect iPhone 5 (widescreen devices)?
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Making 'git log' ignore changes for certain paths
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215
It is implemented now (git 1.9/2.0, Q1 2014) with the introduction pathspec magic :(exclude) a...
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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