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What is the copy-and-swap idiom?
...nclude <algorithm> // std::copy
#include <cstddef> // std::size_t
class dumb_array
{
public:
// (default) constructor
dumb_array(std::size_t size = 0)
: mSize(size),
mArray(mSize ? new int[mSize]() : nullptr)
{
}
// copy-constructor
dumb_array(...
SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
...
How to escape single quotes within single quoted strings
....
– Benjamin Atkin
Aug 13 '13 at 20:32
3
worked for me, example of double escaped single quotes: ...
Check if a value is within a range of numbers
...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...
Aren't Python strings immutable? Then why does a + “ ” + b work?
...
Consider:
>>> a='asdf'
>>> a.__repr__
<method-wrapper '__repr__' of str object at 0x1091aab90>
>>> a='asdf'
>>> a.__repr__
<method-wrapper '__repr__' of str object at 0x1091aab90>
>>> a='qwer'
>>> a.__repr_...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
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answered Jul 25 '09 at 13:32
Daniel C. SobralDaniel C. Sobral
280k8282 gold badges469469 silver badges666666 bronze badges
...
How to install therubyracer gem on 10.10 Yosemite?
...epted answer.
– rcd
Dec 8 '15 at 22:32
|
show 6 more comments
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How do I download a tarball from GitHub using cURL?
...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 get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
... System.out.println(Calendar.getInstance().get(Calendar.SECOND)); // 32
System.out.println(Calendar.getInstance().get(Calendar.MILLISECOND)); // 481
// Joda Time
System.out.println(new DateTime().getYear()); // 2015
System.out.println(new DateTime().getMonthOfYear()...
Header files for x86 SIMD intrinsics
... Marat DukhanMarat Dukhan
10.9k44 gold badges2323 silver badges4040 bronze badges
...