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range over interface{} which stores a slice
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3 Answers
3
Active
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What is the best way to repeatedly execute a function every x seconds?
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Guillaume Jacquenot
8,26055 gold badges3737 silver badges4444 bronze badges
answered Jan 23 '09 at 21:09
nosklonosklo
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What does the C++ standard state the size of int, long type to be?
...e of basic C++ types.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
24 Answers
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How to make an OpenGL rendering context with transparent background?
...can be seen in the image below:
The code has been tested on Windows XP (32-bits) and Windows 8.1 (32-bits).
Enjoy!
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#pragma comment (lib, "opengl32.lib")
#pragma...
Defining an array of anonymous objects in CoffeeScript
...kes sense here.
– Jameson Quinn
Dec 3 '12 at 3:04
18
Check out my answer -- this is perfectly doa...
Why should I prefer to use member initialization lists?
...) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will call the default constructor for A, and then initialize a.x to 3. A better way would be for B's constructor to directly call A's constructor in the ini...
Run a single migration file
... of the ruby file:
rails console
>> require "db/migrate/20090408054532_add_foos.rb"
>> AddFoos.up
Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which relies on the fact that require returns an array of class names:
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How to toggle a value in Python
...simple and fast way to toggle values:
>>> A = 5
>>> B = 3
>>> total = A + B
>>> x = A
>>> x = total - x # toggle
>>> x
3
>>> x = total - x # toggle
>>> x
5
>>> x = total - x # toggle
>>> x
3
Solutio...
How to get the type of T from a member of a generic class or method?
...
Joshua Duxbury
3,47422 gold badges2323 silver badges4747 bronze badges
answered Feb 17 '09 at 15:27
Tamas CzinegeTam...