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Technically, why are processes in Erlang more efficient than OS threads?
...use today have the same safety properties (ECMAScript, Java, C♯, VB.NET, PHP, Perl, Python, Ruby, Clojure, Scala, Kotlin, Groovy, Ceylon, F♯, OCaml, the "Objective" part of "Objective-C", the "++" part of "C++"). If it weren't for legacy C code, and legacy features of C++ and Objective-C, we wou...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
... list here. GCC compiler predefined macros can be found here.
Here is an example for gcc:
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (...
Converting SVG to PNG using C# [closed]
...
You can call the command-line version of inkscape to do this:
http://harriyott.com/2008/05/converting-svg-images-to-png-in-c.aspx
Also there is a C# SVG rendering engine, primarily designed to allow SVG files to be used on the web o...
Return a `struct` from a function in C
...
struct a y = f(x);
printf("%d\n", y.i);
return 0;
}
The next example is pretty much exactly the same, but uses the built-in int type for demonstration purposes. The two programs have the same behaviour with respect to pass-by-value for parameter passing, assignment, etc.:
#include <...
How to capture UIView to UIImage without loss of quality on retina display
...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
How to tell if node.js is installed or not
... My mistake, I forgot to mention I am running this through a php script. So where then will it be printed if not by terminal?
– user1340052
May 7 '12 at 1:38
...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... particular processor (and the same applies to -Os). If you try the same example on different processors, you will find that on some of them benefit from -O2 while other are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on several processors (user time reported):
Pr...
How to repeat a string a variable number of times in C++?
...he link for a 'full' explanation
http://www.java-samples.com/showtutorial.php?tutorialid=458
cout.width(11);
cout.fill('.');
cout << "lolcat" << endl;
outputs
.....lolcat
share
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i...
File to byte[] in Java
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@matteo: any? See other answers, e.g. Files.readAllBytes(). Simple, no dependency.
– ymajoros
Apr 24 '14 at 21:13
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How do I make class methods / properties in Swift?
...supported
get {
return objc_getAssociatedObject(self, &fooPropertyKey) as FooType?
}
set {
objc_setAssociatedObject(self, &fooPropertyKey, newValue, objc_AssociationPolicy(OBJC_ASSOCIATION_RETAIN_NONATOMIC))
}
}
....
}
...