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std::function and std::bind: what are they, and when should they be used?
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You can use std::bind to get g:
auto g = bind(f, _1, 4, _2);
This is more concise than actually writing a functor class to do it.
There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that ...
List vs tuple, when to use each? [duplicate]
... of naming the fields, which would make accessing individual elements much more readable...
– GreenAsJade
Feb 19 '15 at 5:48
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What is the difference between id and class in CSS, and when should I use them? [duplicate]
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For more info on this click here.
Example
<div id="header_id" class="header_class">Text</div>
#header_id {font-color:#fff}
.header_class {font-color:#000}
(Note that CSS uses the prefix # for IDs and . for Clas...
Open file dialog box in JavaScript
...dation option. See the validation section of the options documentation for more details. Note that the accept attribute is not supported in IE9 or earlier.
– Ray Nicholus
Jul 11 '13 at 3:00
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Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery
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How to force the browser to reload cached CSS/JS files?
...ename change (base.1221534296.css). I suspect your way may be a little bit more efficient though. Very cool.
– Jens Roland
Jun 2 '11 at 20:55
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Should I use 'border: none' or 'border: 0'?
...rder:0 because it's shorter; I find that easier to read. You may find none more legible. We live in a world of very capable CSS post-processors so I'd recommend you use whatever you prefer and then run it through a "compressor". There's no holy war worth fighting here but Webpack→LESS→PostCSS→...
How to delete and replace last line in the terminal using bash?
... production wasn't directly part of the question I've changed to tokland's more efficient pipe
– Ken
Mar 17 '10 at 12:47
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What are the advantages of NumPy over regular Python lists?
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NumPy's arrays are more compact than Python lists -- a list of lists as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in 4 MB. Access in reading and writing ...
What is the Python equivalent of static variables inside a function?
... as there's no way the decorator will not be called and it is semantically more obvious what it does (@static_var("counter", 0) is easier on & makes more sense to my eyes than if "counter" not in foo.__dict__: foo.counter = 0, especially as in the latter you have to use the function name (twice)...