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C++ project organisation (with gtest, cmake and doxygen)
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C++ build systems are a bit of a black art and the older the project
the more weird stuff you can find so it is not surprising that a lot
of questions come up. I'll try to walk through the questions one by one and mention some general things regarding building C++ libraries.
Separating headers an...
Multiple simultaneous downloads using Wget?
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How do I connect to a MySQL Database in Python?
...e. You will have to look at the documentation. A good starting point.
3 - More advanced usage
Once you know how it works, You may want to use an ORM to avoid writing SQL manually and manipulate your tables as they were Python objects. The most famous ORM in the Python community is SQLAlchemy.
I ...
How does BLAS get such extreme performance?
...a cache optimized implementation of these algorithms (i.e. you would loose more then you would win)
These algorithms are numerically not stable. As BLAS is the computational kernel of LAPACK this is a no-go.
Although these algorithms have a nice time complexity on paper, the Big O notation hides a ...
Color picker utility (color pipette) in Ubuntu [closed]
...t-get install gpick
Applications -> Graphics -> GPick
It has many more features than gcolor2 but is still extremely simple to use: click on one of the hex swatches, move your mouse around the screen over the colours you want to pick, then press the Space bar to add to your swatch list.
If ...
Caveats of select/poll vs. epoll reactors in Twisted
...that's roughly twice as expensive as selecting on a single fd, 50. Adding more fds below the highest isn't quite free, so it's a little more complicated than this in practice, but this is a good first approximation for most implementations.
The cost of epoll is closer to the number of file descrip...
How to install PyQt4 on Windows using pip?
...p27 means C-python version 2.7, cp35 means python 3.5, etc.
Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build than just a pure python code package, which means it can be hard to install it from source....
What is the cleanest way to disable CSS transition effects temporarily?
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Your solution is right, but for those looking for more background information: stackoverflow.com/a/31862081/1026
– Nickolay
Aug 8 '15 at 17:36
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Convert timestamp in milliseconds to string formatted time in Java
... I like your solution better than the accepted answer as it is a bit more explicit and does not suffer problems with locale. Though you miss the final part: millis = millis % 1000, which would rightly put milliseconds at the end of the formatted string.
– Ondrej Burkert
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