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What is the difference between memmove and memcpy?
What is the difference between memmove and memcpy ? Which one do you usually use and how?
9 Answers
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SVG fill color transparency / alpha?
...or example:
<rect ... fill="#044B94" fill-opacity="0.4"/>
Additionally you have the following:
stroke-opacity attribute for the stroke
opacity for the entire object
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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Loop inside React JSX
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Think of it like you're just calling JavaScript functions. You can't use a for loop where the arguments to a function call would go:
return tbody(
for (var i = 0; i < numrows; i++) {
ObjectRow()
}
)
See how the function tbody is bei...
How to select only the first rows for each unique value of a column
...e 2nd technique or Ben Thul's technique. I answered what you asked specifically, with pointers on how to solve more generally.
– gbn
Jan 12 '11 at 4:53
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In Python, how do I indicate I'm overriding a method?
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Based on this and fwc:s answer I created a pip installable package https://github.com/mkorpela/overrides
From time to time I end up here looking at this question.
Mainly this happens after (again) seeing the same bug in our code base: Someone has forgotten some "interface" i...
How to forward declare a template class in namespace std?
...rs. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it?
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Rails nested form with has_many :through, how to edit attributes of join model?
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Visual clarity really does go a long way, T.J. Schuck.
– ahnbizcad
Jul 17 '14 at 23:44
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
... the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer arguments
on such a call shall still have valid values, as described in 7.1.4. On such a call...
Initializing a member array in constructor initializer
...hing. I'm not exactly sure about the following case, but some compilers do allow it.
struct A {
char foo[6];
A():foo("hello") { } /* valid? */
};
See this GCC PR for further details.
Do C++0x initializer lists solve the problem?
Yes, they do. However your syntax is invalid, I think. Y...