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What is the difference between float and double?
...Otherwise, try to implement the Kahan summation algorithm.
[1]: The C and C++ standards do not specify the representation of float, double and long double. It is possible that all three are implemented as IEEE double-precision. Nevertheless, for most architectures (gcc, MSVC; x86, x64, ARM) float i...
How to forward declare a template class in namespace std?
...ementing an OSI Layer (slider window, Level 2) for a network simulation in C++ (Eclipse Juno). I had frames (template <class T>) and its states (state pattern, forward declaration).
The solution is as follows:
In the *.cpp file, you must include the Header file that you forward, i.e.
ifndef...
Why can't I define a default constructor for a struct in .NET?
...
Shorter explanation: In C++, struct and class were just two sides of the same coin. The only real difference is one was public by default and the other was private. In .Net, there is a much greater difference between a struct and a class, and it's...
Apply CSS Style to child elements
... box-shadow: 0 0 5px 2px grey;
margin: 30px auto 20px auto;
/*height:200px;*/
}
p.red {
color: red;
}
p.blue {
color: blue;
}
p#orange {
color: orange;
}
p#green {
color: green;
}
<!DOCTYPE html>
<html>
<head>
<title>Class practice</tit...
What is the difference between Cygwin and MinGW?
I want to make my C++ project cross platform, and I'm considering using Cygwin/MinGW.
But what is the difference between them ?
...
What does the explicit keyword mean?
What does the explicit keyword mean in C++?
11 Answers
11
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How to center a checkbox in a table cell?
...; /* center checkbox vertically */
}
table {
border: 1px solid;
width: 200px;
}
tr {
height: 80px;
}
I hope this helps.
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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...tes a value the first time it is requested, and caches the result.
Since c++11 mutable can be used on a lambda to denote that things captured by value are modifiable (they aren't by default):
int x = 0;
auto f1 = [=]() mutable {x = 42;}; // OK
auto f2 = [=]() {x = 42;}; // Error: a by-v...
How to load json into my angular.js ng-model?
... if (rawFile.readyState === 4) {
if (rawFile.status === 200 || rawFile.status == 0) {
allText = rawFile.responseText;
}
}
}
rawFile.send(null);
return JSON.parse(allText);
...
Python 3.x rounding behavior
... pretty much universally these days", would you (or anyone else) know if C/C++/Java/Perl or any other "main-stream" languages implement rounding the same way?
– Levon
May 31 '12 at 0:26
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