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Is there a range class in C++11 for use with range based for loops?
...e it for whatever reason. It would've been a great complement to the range-base-for feature.
– Omnifarious
Aug 25 '11 at 6:18
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Are 2^n and n*2^n in the same time complexity?
...nge of variable. Let m = 2ⁿ. Then n⋅2ⁿ = ( log₂m )⋅m (taking the base-2 logarithm on both sides of m = 2ⁿ gives n = log₂m ), and you can easily show that m log₂m grows faster than m.
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What is the difference between SAX and DOM?
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thanks @spartkymat. But in case of SAX event based will SAX parser be able to know particular child node is child of particular parent? Or simply it will parse? for example. i have one <company> and child is <employee>. So in this case those company and empl...
parseInt(null, 24) === 23… wait, what?
...tation of the first
argument taken as a number in the
specified radix (base). For example, a
radix of 10 indicates to convert from
a decimal number, 8 octal, 16
hexadecimal, and so on. For radices
above 10, the letters of the alphabet
indicate numerals greater than 9. For
example, fo...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...haracter in the font, the textured quad's vertex positions relative to the base point (these are basically the "font metrics"). This data can be compressed to 4 numbers per quad by storing only the offset of the bottom left vertex, and encoding the width and height of the axis-aligned box (assuming ...
How to overload std::swap()
... using std::swap; // bring in swap for built-in types
swap(a.base1, b.base1);
swap(a.base2, b.base2);
// ...
swap(a.member1, b.member1);
swap(a.member2, b.member2);
// ...
}
};
...
Inheriting class methods from modules / mixins in Ruby
... hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
'bar1'
end
end
module ClassMethods
def bar2
'bar2'
end
end
end
class Test
...
What is the logic behind the “using” keyword in C++?
...rning void and accepting double
using PF = void (*)(double); // `using`-based equivalent of the typedef above
using P = [](double)->void; // using plus suffix return type, syntax error
using P = auto(double)->void // Fixed thanks to DyP
Pre-C++11, the using keyword can bring member functio...
Can a decorator of an instance method access the class?
...
Just what I was looking for, for my DBM based ORM... Thanks, dude.
– Coyote21
Sep 9 '12 at 13:49
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How to change Status Bar text color in iOS
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Set the UIViewControllerBasedStatusBarAppearance to YES in the .plist file.
In the viewDidLoad do a [self setNeedsStatusBarAppearanceUpdate];
Add the following method:
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLigh...