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Most efficient way to prepend a value to an array
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dhilt
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answered Jun 1 '11 at 2:51
maericsmaerics
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Why do we copy then move?
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answered May 23 '13 at 22:05
Andy ProwlAndy Prowl
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Format date and time in a Windows batch script
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150
I ended up with this script:
set hour=%time:~0,2%
if "%hour:~0,1%" == " " set hour=0%hour:~1,1...
What are transparent comparators?
...e with the container's key, instead of using the key type itself. See N3465 by Joaquín Mª López Muñoz for rationale and a detailed, carefully written proposal to add this feature.
At the Bristol meeting the LWG agreed that the heteregeneous lookup feature was useful and desirable, but we could...
What is more efficient? Using pow to square or just multiply it with itself?
...eturn x; \
}
TEST(1, b)
TEST(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,...
Using smart pointers for class members
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edited Apr 7 '13 at 10:25
answered Mar 26 '13 at 23:06
An...
What are best practices for validating email addresses on iOS 2.0
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354
The answer to Using a regular expression to validate an email address explains in great detail ...
What is the difference between native code, machine code and assembly code?
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151
The terms are indeed a bit confusing, because they are sometimes used inconsistently.
Machine ...
How to make link look like a button?
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Using CSS:
.button {
display: block;
width: 115px;
height: 25px;
background: #4E9CAF;
padding: 10px;
text-align: center;
border-radius: 5px;
color: white;
font-weight: bold;
line-height: 25px;
}
<a class="button">Add Proble...
What is the --save option for npm install?
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Update npm 5:
As of npm 5.0.0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install.
Original answer:
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