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Ruby Metaprogramming: dynamic instance variable names
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Select last N rows from MySQL
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Which is better, return value or out parameter?
...d others on this subject (page 184-185) but the online version is here...
http://msdn.microsoft.com/en-us/library/ms182131(VS.80).aspx
If you find yourself needing to return two things from an API then wrapping them up in a struct/class would be better than an out param.
...
How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
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How do I create a datetime in Python from milliseconds?
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Using Moq to mock an asynchronous method for a unit test
...esting a method for a service that makes a Web API call. Using a normal HttpClient works fine for unit tests if I also run the web service (located in another project in the solution) locally.
...
surface plots in matplotlib
...y.meshgrid() is a simple way to get 2d x,y mesh out of 1d x and y values.
http://matplotlib.sourceforge.net/mpl_examples/mplot3d/surface3d_demo.py
here's pythonic way to convert your 3-tuples to 3 1d arrays.
data = [(1,2,3), (10,20,30), (11, 22, 33), (110, 220, 330)]
X,Y,Z = zip(*data)
In [7]: X
...
Where does Java's String constant pool live, the heap or the stack?
...f string
pooling was changed considerably. You can look for details in
http://bugs.sun.com/view_bug.do?bug_id=6962931 and
http://bugs.sun.com/view_bug.do?bug_id=6962930.
String.intern() in Java 6
In those good old days all interned strings were stored in the PermGen
– the fixed size ...
Which MySQL data type to use for storing boolean values
..., in accordance with
standard SQL, in a future MySQL
release.
References: http://dev.mysql.com/doc/refman/5.5/en/numeric-type-overview.html
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Java FileReader encoding issue
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