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When to add what indexes in a table in Rails
...use them for every foreign key. Is there a situation where it's not a good idea to index it?
– Trip
Oct 23 '14 at 18:30
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Setting PayPal return URL and making it auto return?
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I think that the idea of setting the Auto Return values as described above by Kevin is a bit strange!
Say, for example, that you have a number of websites that use the same PayPal account to handle your payments, or say that you have a numbe...
Wrap a delegate in an IEqualityComparer
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Very interesting, thanks for the info. I had no idea GetHashCode had these LINQ implications until seeing these answers. Great to know for future use.
– Justin Morgan
May 10 '12 at 14:51
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App.Config Transformation for projects which are not Web Projects in Visual Studio?
...things there's
multiple ways in XSLT to do this, but you get the general idea. XSLT
is a generalized tree transformation language, while this deployment
one is optimized for a specific subset of common scenarios. But, the
cool part is that each XDT transform is a .NET plugin, so you can make...
What's the difference between design patterns and architectural patterns?
...particles of applications.
For more information:
https://www.oreilly.com/ideas/contrasting-architecture-patterns-with-design-patterns
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How does BLAS get such extreme performance?
...r Justicle's suggestion, didn't see much improvement, I like the blockwise idea. Out of curiosity, without knowing the CPU's cache size how would one right optimal code?
– DeusAduro
Aug 21 '09 at 6:25
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Make git automatically remove trailing whitespace before committing
...itespace=fix HEAD~ && \
git reset --soft HEAD~ ; \
fi"
The idea is to run git fixws before git commit if you have
whitespace errors in the index.
Fix the index and the tree
The following fixws-global-tree-and-index Git alias fixes all whitespace
errors in the index and the tree, if...
How to send POST request in JSON using HTTPClient in Android?
...most recent one is GSON. But before you proceed to GSON you must have some idea of the most traditional way of creating an HTTP Client and perform data communication with a remote server. I have mentioned both the methods to send POST & GET requests using HTTPClient.
/**
* This method is used ...
Push git commits & tags simultaneously
...t does not belong to any branch on this repository." This is strange. Any idea whats going wrong?
– Wlad
Jun 30 at 1:50
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Is there a way to pass optional parameters to a function?
...rospection is worth it. With this if you run help(func) you get a clearer idea how the argument is interpreted if not passed explicitly.
– Tadhg McDonald-Jensen
Nov 8 '18 at 18:50
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