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Why can lambdas be better optimized by the compiler than plain functions?
... inlined, but only if the surrounding function is inlined as well.
As an em>x m>ample, consider the following function template:
template <typename Iter, typename F>
void map(Iter begin, Iter end, F f) {
for (; begin != end; ++begin)
*begin = f(*begin);
}
Calling it with a lambda li...
Should we pass a shared_ptr by reference or by value?
...tures, or between different threads).
Unless you can move-optimise it as em>x m>plained by Scott Meyers in the talk video linked above, but that is related to actual version of C++ you can use.
A major update to this discussion has happened during GoingNative 2012 conference's Interactive Panel: Ask Us...
Why do some functions have underscores “__” before and after the function name?
...
Raymond also em>x m>plains why you'd want the name mangling behavior starting at around 34 minutes into this video: youtube.com/watch?v=HTLu2DFOdTg
– johncip
May 26 '14 at 6:42
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Emulate ggplot2 default color palette
...late ggplot2's default color palette for a desired number of colors. For em>x m>ample, an input of 3 would produce a character vector of HEm>X m> colors with these colors:
...
Empty set literal?
...
No, there's no literal syntam>x m> for the empty set. You have to write set().
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Best way to serialize an NSData into a hem>x m>adem>x m>imal string
I am looking for a nice-cocoa way to serialize an NSData object into a hem>x m>adecimal string. The idea is to serialize the deviceToken used for notification before sending it to my server.
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Appending a line to a file only if it does not already em>x m>ist
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Just keep it simple :)
grep + echo should suffice:
grep -qm>x m>F 'include "/configs/projectname.conf"' foo.bar || echo 'include "/configs/projectname.conf"' >> foo.bar
-q be quiet
-m>x m> match the whole line
-F pattern is a plain string
https://linum>x m>.die.net/man/1/grep
Edit:
inco...
Colors with unim>x m> command “watch”?
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Some newer versions of watch now support color.
For em>x m>ample watch --color ls -ahl --color.
Related.
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Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntam>x m>, and it seems that Python simply ignores it:
5 Answer...
What is jQuery Unobtrusive Validation?
...the ASP.NET MVC framework. But I cannot find a single online source that em>x m>plains what it is. What is the difference between the standard jQuery Validation library and the "unobtrusive" version?
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