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Pipe output and capture exit status in Bash
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530
There is an internal Bash variable called $PIPESTATUS; it’s an array that holds the exit statu...
document.getElementById vs jQuery $()
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1035
Not exactly!!
document.getElementById('contents'); //returns a HTML DOM Object
var contents ...
Adding Permissions in AndroidManifest.xml in Android Studio?
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answered Jun 5 '13 at 19:50
vRallevvRallev
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...econds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level.
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Linux bash: Multiple variable assignment
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Tom Hale
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answered Dec 23 '09 at 12:16
Michael Krelin - hackerMichael K...
git undo all uncommitted or unsaved changes
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1704
This will unstage all files you might have staged with git add:
git reset
This will revert a...
How to prevent a background process from being stopped after closing SSH client in Linux
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20 Answers
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Adding up BigDecimals using Streams
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edited Mar 25 '14 at 18:10
answered Mar 25 '14 at 13:25
sk...
Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters ...
How can I sharpen an image in OpenCV?
...f frame into image: (both cv::Mat)
cv::GaussianBlur(frame, image, cv::Size(0, 0), 3);
cv::addWeighted(frame, 1.5, image, -0.5, 0, image);
The parameters there are something you need to adjust for yourself.
There's also Laplacian sharpening, you should find something on that when you google.
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