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Python OpenCV2 (cv2) wrapper to get image size?
..., width, channels = img.shape
>>> print height, width, channels
600 800 3
In case you were working with binary images, img will have two dimensions, and therefore you must change the code to: height, width = img.shape
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How to connect android emulator to the internet
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64
[EDIT]
For more recent version of Android Studio, the emulator you need to use is no longer in ...
What's the meaning of * (asterisk) in XAML ColumnDefinition?
...0 you get column widths 50, 100 and 150. If the total width of the grid is 600 you get column widths 100, 200 and 300. And so on.
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Change the name of the :id parameter in Routing resources for Rails
...wered Sep 18 '13 at 12:42
bobzsj87bobzsj87
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Exotic architectures the standards committees care about
...lots of optimizations.
For example the subnorm support differers between x87 and SSE.
Optimizations like fusing a multiplication and addition which were separate in the source code slightly change the results too, but is nice optimization on some architectures.
Or on x86 strict IEEE compliance mi...
How do I get the opposite (negation) of a Boolean in Python?
...ered Aug 11 '11 at 18:17
Patrick87Patrick87
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How can I undo git reset --hard HEAD~1?
...it back so long as it's been within a few days. git only garbage collects after about a month or so unless you explicitly tell it to remove newer blobs.
$ git init
Initialized empty Git repository in .git/
$ echo "testing reset" > file1
$ git add file1
$ git commit -m 'added file1'
Created ini...
How to show first commit by 'git log'?
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git log --format="%h" | tail -1 gives you the commit hash (ie 0dd89fb), which you can feed into other commands, by doing something like
git diff `git log --format="%h" --after="1 day"| tail -1`..HEAD to view all the commits in the last day.
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What is the length of the access_token in Facebook OAuth2?
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This answer is no longer correct, and I can't find a corrected value in FB's docs. We have been receiving access tokens that are longer than 255 characters. We're moving from VARCHAR to a SMALLTEXT instead to try to future-proof things.
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How to jump directly to a column number in Vim
...xciting job of wading through minified javascript code. The lines are upto 600 columns wide. The exception reporting library is kind enough to provide me the exact crash coordinates in the form of line number and column number. However I can't find a way to directly jump to the column number, even t...