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Python Graph Library [closed]
...h python library: graph-tool.
It is very fast, since it is implemented in C++ with the Boost Graph Library, and it contains lots of algorithms and extensive documentation.
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Why can't I initialize non-const static member or static array in class?
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Why I can't initialize static data members in class?
The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
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What's the difference between a method and a function?
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For 1), you should also add that methods in C++ are called member functions. Thus, the difference between functions and methods in this context is analogous to the difference between functions and member functions in C++. Furthermore, languages like Java only have meth...
SQL SELECT speed int vs varchar
...B=140usec/record C=180usec/record
Indexed by id, select by id: B=about 200us C=about 200us
* inserts to the table already containing 4M records
so it looks like for this setup, as long as your indexes fit in RAM, bigint vs 16-char text makes no difference in speed.
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What is the difference between _tmain() and main() in C++?
If I run my C++ application with the following main() method everything is OK:
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Pythonic way to create a long multi-line string
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200
If you don't want a multiline string but just have a long single line string, you can use pare...
When to use inline function and when not to use it?
...t To Inline
[9] Inline functions
Policies/Binary Compatibility Issues With C++
GotW #33: Inline
Inline Redux
Effective C++ - Item 33: Use inlining judiciously
EDIT: Bjarne Stroustrup, The C++ Programming Language:
A function can be defined to be inline. For example:
inline int fac(int n)...
Difference between size_t and std::size_t
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C's size_t and C++'s std::size_t are both same.
In C, it's defined in <stddef.h> and in C++, its defined in <cstddef> whose contents are the same as C header (see the quotation below). Its defined as unsigned integer type of t...
Why is ArrayDeque better than LinkedList
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