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Simple way to create matrix of random numbers
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How to initialise memory with new operator in C++?
...ut it actually has special syntax for value-initializing an array:
new int[10]();
Note that you must use the empty parentheses — you cannot, for example, use (0) or anything else (which is why this is only useful for value initialization).
This is explicitly permitted by ISO C++03 5.3.4[expr.new]...
How does collections.defaultdict work?
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Create a pointer to two-dimensional array
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How to find out which package version is loaded in R?
...e my university cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location.
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How to synchronize a static variable among threads running different instances of a class in Java?
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There are several ways to synchronize access to a static variable.
Use a synchronized static...
How do I detect the Python version at runtime? [duplicate]
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Here, sys.version_info[0] is the major version number. sys.version_info[1] would give you the minor version number.
In Python 2.7 and later, the components of sys.version_info can also be accessed by name, so the major version number is sys.version_info.major.
See also How can I check for Pytho...
Moving average or running mean
... NumPy function or module for Python that calculates the running mean of a 1D array given a specific window?
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