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How do I convert between big-endian and little-endian values in C++?
...nsigned __int64 _byteswap_uint64(unsigned __int64 value);
8 bit numbers (chars) don't need to be converted.
Also these are only defined for unsigned values they work for signed integers as well.
For floats and doubles it's more difficult as with plain integers as these may or not may be in the h...
Does C have a “foreach” loop construct?
...de *(item) = (list); (item); (item) = (item)->next)
int
main(int argc, char *argv[])
{
list_node list[] = {
{ .next = &list[1], .data = "test 1" },
{ .next = &list[2], .data = "test 2" },
{ .next = NULL, .data = "test 3" }
};
FOR_EACH(item, list)
...
Best way to reverse a string
...
public static string Reverse( string s )
{
char[] charArray = s.ToCharArray();
Array.Reverse( charArray );
return new string( charArray );
}
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How do function pointers in C work?
... class:
typedef struct String_Struct* String;
struct String_Struct
{
char* (*get)(const void* self);
void (*set)(const void* self, char* value);
int (*length)(const void* self);
};
char* getString(const void* self);
void setString(const void* self, char* value);
int lengthString(const...
How can I remove non-ASCII characters but leave periods and spaces using Python?
...h a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code:
...
How do I count the number of occurrences of a char in a String?
...
Guava equivalent: int count = CharMatcher.is('.').countIn("a.b.c.d"); ...As answered by dogbane in a duplicate question.
– Jonik
Aug 12 '13 at 17:00
...
How to replace multiple white spaces with one white space
... Note that '\s' not only replaces white spaces, but also new line characters.
– Bart Kiers
Aug 14 '09 at 20:45
12
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How can I truncate a datetime in SQL Server?
...umbled on this when I tried to truncate a date to the first of the month: SELECT DATEADD( m, 0, DATEDIFF( m, 0, GETDATE( ) ) ) does not work, but SELECT DATEADD( m, DATEDIFF( m, 0, GETDATE( ) ), 0 ) does. At least, this is what I see in 2008R2.
– Kelly Cline
...
Templated check for the existence of a class member function?
...SFINAE test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::helloworld) ) ;
template <typename C> static two test(...);
public:
enum { value = sizeof(test<...
Finding index of character in Swift String
...ring doesn't implement RandomAccessIndexType. Probably because they enable characters with different byte lengths. That's why we have to use string.characters.count (count or countElements in Swift 1.x) to get the number of characters. That also applies to positions. The _position is probably an ind...