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Regular expression for floating point numbers
...ns", as implemented in most modern languages, APIs, frameworks, libraries, etc., are based on a concept developed in formal language theory. However, software engineers have added many extensions that take these implementations far beyond the formal definition. So, while most regular expression engi...
Adding 'serial' to existing column in Postgres
I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
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What is the effect of encoding an image in base64?
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Takeaway = There's some advantage to encoding and gzipping your UI icons, etc, but unwise to do this for larger images.
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cv2.imshow command doesn't work properly in opencv-python
... only works with waitKey():
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(The whole message-loop necessary for updating the window is hidden in there.)
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Determine a user's timezone
...lude it in the HTTP specification.
If it was me, I would probably try to fetch the timezone using clientside JavaScript and then submit it to the server using Ajax or something.
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Convert absolute path into relative path given a current directory using Bash
... But in real use yes, realpath is recommended, or source=$(readlink -f $1) etc. if realpath is not available (not standard)
– Offirmo
Sep 11 '13 at 13:06
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NPM doesn't install module dependencies
...ere are several open issues for this case in the npm repository:
npm install should recursively check/install dependencies https://github.com/npm/npm/issues/1341 (closed)
local private module dependencies https://github.com/npm/npm/issues/2442 (closed)
In the first one people list several workar...
How to write character & in android strings.xml
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For special character I normally use the Unicode definition, for the '&' for example: \u0026 if I am correct. Here is a nice reference page: http://jrgraphix.net/research/unicode_blocks.php?block=0
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View a file in a different Git branch without changing branches
...ou mean the actual server version? If you want that, you just need to git fetch first.
– rsmith54
Jan 25 '18 at 20:20
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Doctrine2: Best way to handle many-to-many with extra columns in reference table
... a different version (different length, live, acoustic, remix, remastered, etc) than the version on The Metallica Collection.
Depending on how you want to handle (or ignore) that case, you could either go beberlei's suggested route, or just go with your proposed extra logic in Album::getTracklist()...