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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...
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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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)
);
share
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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:...
How do I time a method's execution in Java?
...l Duration.between(start, end).getSeconds(). Duration also has methods to convert to other time units, e.g. toMillis() which converts to milliseconds.
– Emil Lunde
May 29 '18 at 13:29
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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>();
...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...lace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);
In case it's UTF-16 based C/C++/Java/Json-style:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_enco...