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Why .NET String is immutable? [duplicate]
...te, a new copy of the state class is created. This is more often used with C++ than C#, which is why it's std:string enjoys some, but not all, of the advantages of immutable types, while remaining mutable.
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...ally take an int parameter. Its a fake parameter. But the designers of the C++ language had to define a way to distinguish between prefix and postfix function definitions. This is the design decision they made.
– Martin York
Sep 9 '17 at 5:41
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JavaScript get window X/Y position for scroll
... " + top + "px";
}, false);
*{box-sizing: border-box}
:root{height: 200vh;width: 200vw}
.wrapper{
position: fixed;
top:20px;
left:0px;
width:320px;
background: black;
color: green;
height: 64px;
}
.wrapper div{
display: inline;
width: 50%;
...
C/C++ line number
In the sake of debugging purposes, can I get the line number in C /C++ compilers?
(standard way or specific ways for certain compilers)
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How expensive is RTTI?
...o free.
Gritty details:
GCC prefers to use a particular "vendor-neutral" C++ ABI[1], and always uses this ABI for Linux and BSD targets[2]. For platforms that support this ABI and also weak linkage, typeid() returns a consistent and unique object for each type, even across dynamic linking boundari...
How to turn on (literally) ALL of GCC's warnings?
...o though, for instance some language-specific options are on the pages for C++ options or Obj-C options. To find them all you're better off looking at the Options Summary
Turning on everything would include -Wdouble-promotion which is only relevant on CPUs with a 32-bit single-precision floating-po...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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What's wrong with cplusplus.com?
...ite. Anathema!
A solution would be for us at this site to develop our own C++ reference. This would take quite a bit of work. We'd have to be careful not to be too pedantic / too technical; it is obvious that cplusplus.com employs at least a few technical editors who keep the pedants at bay. We'd h...
What's the difference between Cache-Control: max-age=0 and no-cache?
...ticle you site but the page is no longer valid. palisade.plynt.com/issues/2008Jul/cache-control-attributes
– Craig London
Mar 27 '15 at 15:01
7
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What does the (unary) * operator do in this Ruby code?
...th several arguments creates them as key value pairs:
Hash["a", 100, "b", 200] #=> {"a"=>100, "b"=>200}
So in your example this would lead to the following Hash:
{"first_name"=>"mickey", "last_name"=>"mouse", "county"=>"usa"}
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