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What is the best way to use a HashMap in C++?
...st an implementation detail. In an unordered map insert and access is in O(1). It is just another name for a hashtable.
An example with (ordered) std::map:
#include <map>
#include <iostream>
#include <cassert>
int main(int argc, char **argv)
{
std::map<std::string, int> ...
Extracting just Month and Year separately from Pandas Datetime column
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Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this-&...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
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@NotNull: The CharSequence, Collection, Map or Array object is not null, but can be empty.
@Not...
Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
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Twig: in_array or similar possible within if statement?
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edited Apr 30 '15 at 4:42
jake stayman
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answered Sep...
git produces Gtk-WARNING: cannot open display
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edited Jun 27 '13 at 7:07
answered Apr 19 '13 at 12:19
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Any open source alternatives to balsamiq mockup [closed]
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edited May 25 '13 at 1:29
Gringo Suave
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Missing styles. Is the correct theme chosen for this layout?
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How do you query for “is not null” in Mongo?
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