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c++11右值引用、std::move移动语义、std::forward完美转发的一些总结 - C/C...
c++11右值引用、std::move移动语义、std::forward完美转发的一些总结c++11_rvalue_move_forwardstd::move 实际上并不能移动任何东西，它唯一的功能是将一个左值强制转换为右值引用，继而用于移动语义。从实现上讲，它基本等同于一个类型...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
...indow).on("resize", function () {
if ($(window).width() > 767 && $('.navbar-toggle').is(':hidden')) {
$(selected).removeClass('slide-active');
}
});
});
share
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...
performing HTTP requests with cURL (using PROXY)
... when I run this command: curl -x, --proxy 122.72.2.200:80 mysite.com/test.php?id=1
– user873286
Feb 27 '12 at 22:52
63
...
Why do we need C Unions?
...
Unions are often used to convert between the binary representations of integers and floats:
union
{
int i;
float f;
} u;
// Convert floating-point bits to integer:
u.f = 3.14159f;
printf("As integer: %08x\n", u.i);
Although this ...
How to create a drop-down list?
...ivate static final String[]paths = {"item 1", "item 2", "item 3"}; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable spinner
– Ashish Shahi
May 31 '17 at 10:17
...
How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...(git commit-tree -m "Throw away branch 'A'" -p A -p B B^{tree})
This basically acts like the (non-existent) merge -s theirs strategy.
You can find the resulting history in the plumbing branch of the demo repository
Not very readable and not as easy to remember compared to the -s ours switch, but it...
How to recover a dropped stash in Git?
... review yesterday's stashed changes, but git stash pop appears to remove all references to the associated commit.
19 Answ...
Case-insensitive string comparison in C++ [closed]
...onst char* find(const char* s, int n, char a) {
while( n-- > 0 && toupper(*s) != toupper(a) ) {
++s;
}
return s;
}
};
typedef std::basic_string<char, ci_char_traits> ci_string;
The details are on Guru of The Week number 29.
...
$.ajax - dataType
...e is the HTTP header sent to the server, specifying a particular format.
Example: I'm sending JSON or XML
dataType is you telling jQuery what kind of response to expect.
Expecting JSON, or XML, or HTML, etc. The default is for jQuery to try and figure it out.
The $.ajax() documentation has full de...
typecast string to integer - Postgres
...ing into an integer.
Solution
Create a user-defined function inspired by PHP's intval() function.
CREATE FUNCTION intval(character varying) RETURNS integer AS $$
SELECT
CASE
WHEN length(btrim(regexp_replace($1, '[^0-9]', '','g')))>0 THEN btrim(regexp_replace($1, '[^0-9]', '','g'))::intege...