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Why should I prefer to use member initialization lists?
...style. For class members which are classes, then it avoids an unnecessary call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the construc...
Is ASCII code 7-bit or 8-bit?
...n from Unicode, not its original standard (ANSI X3.4-1968), because historically there were several dozen variations on the ASCII 127-character repertoire -- for instance, some of the punctuation might be replaced with accented letters to facilitate the transmission of French text. Nowadays all of ...
Why is a round-trip conversion via a string not safe for a double?
...mber(value, 17, &number);
DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime:
void DoubleToNumber(double value, int precision, NUMBER* number)
{
WRAPPER_CONTRACT
_ASSERTE(number != NULL);
number->precision = precision;
if (((FPDOUBLE*)&va...
How to stop a PowerShell script on the first error?
...
note that psake has a commandlet called "exec" which can you can use to wrap calls to external programs with a check for LastExitCode and display an error (and stop, if desired)
– enorl76
Nov 28 '12 at 20:01
...
How to prove that a problem is NP complete?
...
As far as I remember, there is a theorem called the Cook-Levin theorem which states that SAT is NP-complete. That proof is quite a bit more complicated than what I outlined above and I don't think I can explain it in my own words.
– Laila Agaev...
CMake output/build directory
...ut of source build."
)
The above macro comes from a commonly used module called MacroOutOfSourceBuild. There are numerous sources for MacroOutOfSourceBuild.cmake on google but I can't seem to find the original and it's short enough to include here in full.
Unfortunately cmake has usually written ...
Is there any way to put malicious code into a regular expression?
...’s specially created with a timing constraint built right into it.
Code Callouts
In regex languages that admit code callouts, some mechanism for allowing or disallowing these from the string you’re going to compile should be provided. Even if code callouts are only to code in the language you...
Use of the MANIFEST.MF file in Java
...
You can call this summary. The sentences ware copied, without any additional conclusion or point. I think that you should respect someone work and add links and quotes.
– Damian Leszczyński - Vash
...
Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
...ECMAScript is the "standards" name for the language.
JavaScript is technically a "dialect" of ECMAScript, the Mozilla Foundation can use "JavaScript" as the name of their implementations (currently present on the Rhino and SpiderMonkey engines).
In the early days, Microsoft decided also to do wha...
Call removeView() on the child's parent first
... but its showing error "The specified child already has a parent. You must call removeView() on the child's parent first." how to solve this?
– Imranrana07
Apr 10 '19 at 11:22
...