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How to compare UIColors?
...tance #FFF with [UIColor whiteColor]). I wrote this UIColor extension that converts both colors to the same color space before comparing them:
- (BOOL)isEqualToColor:(UIColor *)otherColor {
CGColorSpaceRef colorSpaceRGB = CGColorSpaceCreateDeviceRGB();
UIColor *(^convertColorToRGBSpace)(UI...
GetType() can lie?
...c class BadFoo
{
public new Type GetType()
{
return typeof(int);
}
}
with this class (and using the sample code from the MSDN for the GetType() method) you could indeed have:
int n1 = 12;
BadFoo foo = new BadFoo();
Console.WriteLine("n1 and n2 are the same type: {0}",
...
Is inline assembly language slower than native C++ code?
... assembly you have to make well-defined functions with a well-defined call interface. However they can take in account whole-program optimization and inter-procedural optimization such
as register allocation, constant propagation, common subexpression elimination, instruction scheduling and other c...
Sequence-zip function for c++11?
...gt;
#include <vector>
#include <list>
#include <string>
int main() {
std::vector<int> a {4, 5, 6};
double b[] = {7, 8, 9};
std::list<std::string> c {"a", "b", "c"};
for (auto tup : boost::combine(a, b, c, a)) { // <---
int x, w;
do...
How can you do paging with NHibernate?
...
ICriteria has a SetFirstResult(int i) method, which indicates the index of the first item that you wish to get (basically the first data row in your page).
It also has a SetMaxResults(int i) method, which indicates the number of rows you wish to get (i.e...
Case insensitive 'in'
... it is
already lowercase, lower() would do nothing to 'ß'; casefold()
converts it to "ss".
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How to randomly select rows in SQL?
...* FROM Table1
WHERE (ABS(CAST(
(BINARY_CHECKSUM
(keycol1, NEWID())) as int))
% 100) < 10
https://msdn.microsoft.com/en-us/library/cc441928.aspx
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What exactly does Perl's “bless” do?
...\%h; print $j->UNIVERSAL::can("foo")->()' 42
– converter42
Dec 26 '08 at 14:47
1
Kixx's exp...
Calculate the number of business days between two dates?
...wer. Especially in the real world situation, when you have to examine time intervals of several months.
See my code, with comments, below.
/// <summary>
/// Calculates number of business days, taking into account:
/// - weekends (Saturdays and Sundays)
/// - bank holidays in...
What does the unary plus operator do?
...erator itself. For example, it can be used to force widening from smaller integral types to int, or ensure that an expression's result is treated as an rvalue and therefore not compatible with a non-const reference parameter. I submit, however, that these uses are better suited to code golf than r...