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SQL - many-to-many table primary key
...e no real advantage to having a surrogate key. Having a primary key on (col1,col2) is guaranteed unique (assuming your col1 and col2 values in the referenced tables are unique) and a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is ...
Generate random numbers using C++11 random library
...m trying to figure out a way of generating random numbers using the new C++11 <random> library. I have tried it with this code:
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How do I pass multiple parameters in Objective-C?
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Objective-C doesn't have named parameters, so everything on the left side of a colon is part o...
Perform Segue programmatically and pass parameters to the destination view
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The answer is simply that it makes no difference how the segue is triggered.
The prepareForSe...
NameError: global name 'xrange' is not defined in Python 3
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You are trying to run a Python 2 codebase with Python 3. xrange() was renamed to range() in Pyth...
Iterate an iterator by chunks (of n) in Python? [duplicate]
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The grouper() recipe from the itertools documentation's recipes comes close to what you want:...
Can I create links with 'target=“_blank”' in Markdown?
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Render a string in HTML and preserve spaces and linebreaks
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edited Aug 26 '19 at 13:35
answered Feb 29 '12 at 2:15
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How to create a new java.io.File in memory?
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To write to a stream, in memory, use:
new ByteArrayOutputStream();
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How to make layout with View fill the remaining space?
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