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Why does one hot encoding improve machine learning performance?
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261
Many learning algorithms either learn a single weight per feature, or they use distances between...
How to apply a Git patch to a file with a different name and path?
...it the changes and create a patch from that commit with git format-patch -1 HEAD . Now, I have a second repository that contains a file that has the same contents as hello.test but is placed in a different directory under a different name: ./blue/red/hi.test . How do I go about applying the aforem...
How do CUDA blocks/warps/threads map onto CUDA cores?
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124
Two of the best references are
NVIDIA Fermi Compute Architecture Whitepaper
GF104 Reviews
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MySQL - ORDER BY values within IN()
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answered Jun 6 '09 at 0:16
Ayman HouriehAyman Hourieh
107k1717 gold badges135135 silver badges113113 bronze badges
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Vagrant reverse port forwarding?
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134
When you run vagrant ssh, it's actually using this underlying command:
ssh -p 2222 -o UserKno...
How can you find the unused NuGet packages in a solution?
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61
ReSharper 2016.1 has a feature to remove unused NuGet.
It can be run on a solution and on each...
Size of font in CSS with slash
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197
This actually sets two properties and is equivalent to:
font-size: 100%;
line-height: 120%;
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How to listen for changes to a MongoDB collection?
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11 Answers
11
Active
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postgresql return 0 if returned value is null
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182
use coalesce
COALESCE(value [, ...])
The COALESCE function returns the first of its argume...
Visual Studio, Find and replace, regex
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For versions before Visual studio 2012:
It works when I do this:
find include "{[a-zA-Z]+\.h}",
replace with include <\1>.
The most relevant parts for your question are the curly braces {} and the back reference \1: \n references to the n'th group indicat...