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Does order of where clauses matter in SQL?
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No, that order doesn't matter (or at least: shouldn't matter).
Any decent query optimizer wil...
Algorithm for creating a school timetable
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16 Answers
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How can I tell how many objects I've stored in an S3 bucket?
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There is no way, unless you
list them all in batches of 1000 (which can be slow and suck bandwidth - amazon seems to never compress the XML responses), or
log into your account on S3, and go Account - Usage. It seems the billing dept knows exactly how many objects you have stored!...
Composite Key with EF 4.1 Code First
... am trying to figure out how to have a composite key using EF code First 4.1 RC.
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Difference between Select and ConvertAll in C#
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Select is a LINQ extension method and works on all IEnumerable<T> objects whereas Conver...
How to check if std::map contains a key without doing insert?
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Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you...
What is the JUnit XML format specification that Hudson supports?
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I did a similar thing a few months ago, and it turned out this simple format was enough for Hu...
Is there a short contains function for lists?
... keys).
Note that this is an O(n) operation in lists and tuples, but an O(1) operation in sets and dicts.
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Passing variables to the next middleware using next() in Express.js
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Attach your variable to the req object, not res.
Instead of
res.somevariable = variable1;
H...
Building C# Solution in Release mode using MSBuild.exe
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