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Is multiplication and division using shift operators in C actually faster?
...difficult to do meaningfully, but we can look at a few facts. From http://www.penguin.cz/~literakl/intel/s.html#SAL and http://www.penguin.cz/~literakl/intel/i.html#IMUL we get an idea of x86 clock cycles needed for arithmetic shift and multiplication. Say we stick to "486" (the newest one list...
Delete all local changesets and revert to tree
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to kill any revision and its subtree in your local repository.
https://www.mercurial-scm.org/wiki/Strip
But don't try to use it for anything that has been already pushed.
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How to check if a URL is valid
...ror
false
end
end
Now you can do something like:
if "http://www.omg.wtf".is_valid_url?
p "huzzah!"
end
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Integrating MySQL with Python in Windows
...erson had successfully built mysql for python2.6, sharing the link, http://www.technicalbard.com/files/MySQL-python-1.2.2.win32-py2.6.exe
...you might see a warning while import MySQLdb which is fine and that won’t hurt anything,
C:\Python26\lib\site-packages\MySQLdb__init__.py:34: DeprecationWa...
Integrating the ZXing library directly into my Android application
...he License.
// * You may obtain a copy of the License at
// *
// * http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS O...
How to set response filename without forcing “save as” dialog
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
When should I use genetic algorithms as opposed to neural networks? [closed]
...update weights in neural networks. For an example of this refer to:
http://www.ai-junkie.com/ann/evolved/nnt1.html.
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Vertical Text Direction
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Alternative approach: http://www.thecssninja.com/css/real-text-rotation-with-css
p { writing-mode: tb-rl; }
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Using git to get just the latest revision
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Where does Visual Studio look for C++ header files?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1