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What is the difference between Θ(n) and O(n)?
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one is Big "O"
one is Big Theta
http://en.wikipedia.org/wiki/Big_O_notation
Big O means your algorithm will execute in no more steps than in given expression(n^2)
Big Omega means your algorithm will execute in no fewer steps than in the given expression(n^2)
When both condition are tru...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
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You can do it in this way
// xyz.h
#ifndef _XYZ_
#define _XYZ_
template <typename XYZTYPE>
class XYZ {
//Class members declaration
};
#include "xyz.cpp"
#endif
//xyz.cpp
#ifdef _XYZ_
//Class definition goes here
#endif
This has been discussed in Daniweb
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dealloc in Swift
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to enumerate an enum
...tems<T>(this Enum value)
{
int valueAsInt = Convert.ToInt32(value, CultureInfo.InvariantCulture);
foreach (object item in Enum.GetValues(typeof(T)))
{
int itemAsInt = Convert.ToInt32(item, CultureInfo.InvariantCulture);
if (itemAsInt == (va...
Techniques for Tracing Constraints
... b ~ sup,
SyntacticN (a -> (a -> b) -> b) fi,
_)
=> a -> (a -> b) -> a
share = sugarSym Let
The key is to use type hole among constraints: _ => your difficult type
share
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How can I read a large text file line by line using Java?
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Use StandardCharsets.UTF_8, use Stream<String> for conciseness, and avoid using forEach() and especially forEachOrdered() unless there's a reason.
– Aleksandr Dubinsky
Dec 15 '13 at 9:29
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PostgreSQL return result set as JSON array?
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Himanshu sharmaHimanshu sharma
5,05322 gold badges3232 silver badges5454 bronze badges
add a com...
What does O(log n) mean exactly?
... John FeminellaJohn Feminella
271k3939 gold badges320320 silver badges337337 bronze badges
84
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Label Alignment in iOS 6 - UITextAlignment deprecated
...f UITextAlignmentCenter and a list of other replacements is below:
#ifdef __IPHONE_6_0 // iOS6 and later
# define UITextAlignmentCenter NSTextAlignmentCenter
# define UITextAlignmentLeft NSTextAlignmentLeft
# define UITextAlignmentRight NSTextAlignmentRight
# define UILineBreakM...
Loop backwards using indices in Python?
...as no way to tell the xrange to go backwards... (Since Python 2.6 it calls __reversed__().)
– Robert Siemer
Jun 21 '12 at 18:31
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