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How to unstash only certain files?
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481
As mentioned below, and detailed in "How would I extract a single file (or changes to a file) fr...
How to calculate date difference in JavaScript?
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18 Answers
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How to get a pixel's x,y coordinate color from an image?
...lData = canvas.getContext('2d').getImageData(event.offsetX, event.offsetY, 1, 1).data;
Because you are only grabbing one pixel, pixelData is a four entry array containing the pixel's R, G, B, and A values. For alpha, anything less than 255 represents some level of transparency with 0 being fully ...
Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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Math.random() versus Random.nextInt(int)
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169
Here is the detailed explanation of why "Random.nextInt(n) is both more efficient and less bia...
How to install a specific version of a ruby gem?
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1182
Use the -v flag:
$ gem install fog -v 1.8
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Why can't I center with margin: 0 auto?
I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
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How to add icon inside EditText view in Android ?
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edited Nov 26 '10 at 0:38
answered Nov 26 '10 at 0:31
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How do I retrieve the number of columns in a Pandas data frame?
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312
Like so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [...
How do I find out which process is locking a file using .NET?
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answered Nov 25 '08 at 11:48
oriporip
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