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How to get month name from Calendar
Is there a oneliner to get the name of the month when we know int monthNumber = calendar.get(Calendar.MONTH) ? Or what is the easiest way?
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Why can't an anonymous method be assigned to var?
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Others have already pointed out that there are infinitely many possible delegate types that you could have meant; what is so special about Func that it deserves to be the default instead of Predicate or Action or any other possibility? And, for la...
Clang vs GCC for my Linux Development project
...Clang's extremely clear diagnostics are definitely easier for beginners to interpret.
Consider this simple snippet:
#include <string>
#include <iostream>
struct Student {
std::string surname;
std::string givenname;
}
std::ostream& operator<<(std::ostream& out, Student c...
How to create composite primary key in SQL Server 2008
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create table my_table (
column_a integer not null,
column_b integer not null,
column_c varchar(50),
primary key (column_a, column_b)
);
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Why does C++ not allow inherited friendship?
...n? Was friendship really just a limited hack that has since found its way into a few obscure respectable uses?
10 Answers
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Difference between class and type
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A class is a type. An interface is a type. A primitive is a type. An array is a type.
Therefore, every type is also either a class (including an enum constant), an interface, a primitive, or an array.
There are two distinct categories of types:...
What is more efficient? Using pow to square or just multiply it with itself?
...T(2, b*b)
TEST(3, b*b*b)
TEST(4, b*b*b*b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long i=0; i<loops; ++i)
{
x += std::pow(base, exponent);
x += std...
HashSet vs. List performance
...yed as a graph:
Here's the code:
static void Main(string[] args)
{
int times = 10000000;
for (int listSize = 1; listSize < 10; listSize++)
{
List<string> list = new List<string>();
HashSet<string> hashset = new HashSet<string>();
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Difference between case object and object
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Point 3 and 4 of this answer is correct difference between case objects and objects. Point 1 and 2 doesn't matter for singleton objects. And singleton objects are always Products with arity 0 so point 5 doesn't matter also.
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How can I capture the result of var_dump to a string?
...d $return parameter which will cause it to return its output rather than print it:
$debug = var_export($my_var, true);
Why?
I prefer this one-liner to using ob_start and ob_get_clean(). I also find that the output is a little easier to read, since it's just PHP code.
The difference between var...