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std::vector versus std::array in C++
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answered Dec 12 '10 at 23:13
Matteo ItaliaMatteo Italia
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warning about too many open figures
...ix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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Difference between Repository and Service Layer?
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330
Repository Layer gives you additional level of abstraction over data access. Instead of writing
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How do I test for an empty JavaScript object?
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ECMA 5+:
// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(o...
Reading a resource file from within jar
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edited Jun 13 '18 at 0:26
answered Dec 5 '13 at 1:05
D...
How do I make a reference to a figure in markdown using pandoc?
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answered Apr 20 '12 at 21:42
N.N.N.N.
98266 silver badges33 bronze badges
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What is “rvalue reference for *this”?
...t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++0x -stdlib=libc++ -Wall -pedantic t.cpp
$ ./a.out
lvalue object
rvalue object
The whole thing is done to allow you to take advantage of the fact when the object the function is called on is an rvalue (unnamed temporary, for ...
Safest way to convert float to integer in python?
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10 Answers
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Get list of data-* attributes using javascript / jQuery
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answered Nov 16 '10 at 2:20
Yi JiangYi Jiang
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Executing elements inserted with .innerHTML
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