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Best way to select random rows PostgreSQL
... slow
And a linked article of depez outlining several more approaches:
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
1 "large" as in "the complete table will not fit into the memory".
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How to allow to accept only image files?
...e to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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Handling warning for possible multiple enumeration of IEnumerable
In my code in need to use an IEnumerable<> several times thus get the Resharper error of "Possible multiple enumeration of IEnumerable ".
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C# Object Pooling Pattern implementation
Does anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
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Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
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What is the reason behind cbegin/cend?
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From http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1674.pdf:
so that a programmer can directly obtain a const_iterator from even a
non-const container
They gave this example
vector<MyType> v;
// fill v ....
How to execute XPath one-liners from shell?
... To use namespace add it to -qs like this: '-qs:declare namespace mets="http://www.loc.gov/METS/";/mets:mets/mets:dmdSec'
– igo
Aug 24 '16 at 12:26
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Obtaining a powerset of a set in Java
The powerset of {1, 2, 3} is:
26 Answers
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Do interfaces inherit from Object class in java
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JLS has a special clause to add Object methods into interfaces [2]
[1] http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.10.2
[2] http://java.sun.com/docs/books/jls/third_edition/html/interfaces.html#9.2
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What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
Let's make a list of answers where you post your excellent and favorite extension methods .
150 Answers
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