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Generating a UUID in Postgres for Insert statement?
...om()::text || clock_timestamp()::text)::cstring);
output>> c2d29867-3d0b-d497-9191-18a9d8ee7830
(works at least in 8.4)
Thanks to @Erwin Brandstetter for clock_timestamp() explanation.
If you need a valid v4 UUID
SELECT uuid_in(overlay(overlay(md5(random()::text || ':' || clock_times...
How to compare two colors for similarity/difference
...me to my mind (sorry if stupid).
Three components of colors can be assumed 3D coordinates of points and then you could calculate distance between points.
F.E.
Point1 has R1 G1 B1
Point2 has R2 G2 B2
Distance between colors is
d=sqrt((r2-r1)^2+(g2-g1)^2+(b2-b1)^2)
Percentage is
p=d/sqrt((2...
Can JavaScript connect with MySQL?
...g ones about web development and my preferred, an amazing WebGL course for 3D graphics with JavaScript.
I hope it helps you to start.
Have fun!
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How is TeamViewer so fast?
... moving windows, etc. opposed to transformation of elements).
The DirectX 3D performance of 1 FPS seems to confirm my guess to some extent.
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Python, remove all non-alphabet chars from string
...is the replacement, second parameter is your input string
regex.sub('', 'ab3d*E')
#Out: 'abdE'
Alternatively, if you only want to remove a certain set of characters (as an apostrophe might be okay in your input...)
regex = re.compile('[,\.!?]') #etc.
...
Delaying AngularJS route change until model loaded to prevent flicker
...app/#/phones
Source: https://github.com/mhevery/angular-phonecat/commit/ba33d3ec2d01b70eb5d3d531619bf90153496831
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In CMake, how can I test if the compiler is Clang?
...
The OGRE 3D engine source code uses the following check:
if (CMAKE_CXX_COMPILER MATCHES ".*clang")
set(CMAKE_COMPILER_IS_CLANGXX 1)
endif ()
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How to determine if a point is in a 2D triangle? [closed]
...ere an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
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Undo git reset --hard with uncommitted files in the staging area
...achable blob 907b308167f0880fb2a5c0e1614bb0c7620f9dc3
unreachable blob 72663d3adcf67548b9e0f0b2eeef62bce3d53e03
... and for each of those blobs, you can do:
git show 907b308
To output the contents of the file.
Too much output?
Update in response to sehe's comment below:
If you find that yo...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...e trying to match the argument list '(wmain::<lambda_d983319760d11be517b3d48b95b3fe58>) test.cpp(543): error C2088: '+': illegal for class
– Ed Lambert
Jul 27 '16 at 22:58
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