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What is more efficient? Using pow to square or just multiply it with itself?
...t/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::microsec_clock::local_time();
}
#define TEST(num, expression) \
double test##num(double b, long loops) \
{ \
double x = 0.0; \
\
boost::posix_time::ptime startTime = now(); \
...
URL rewriting with PHP
...e - redirect anything else to index.php
index.php
Because everything is now redirected to index.php, there will be determined if the url is correct, all parameters are present, and if the type of parameters are correct.
To test the url we need to have a set of rules, and the best tool for that i...
How do I remove a folder from source control with TortoiseSVN?
... choose the folder where you
want the working copy exported to. If
you now select the very same path
that your working copy is on as the
target (i.e., you're exporting the
working copy onto itself), TortoiseSVN
will remove all .svn folders of that
working copy.
...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...135 | 1135 | 1200 | 4357 | 1137 | 1188 | 4294 |
Findings
Nowadays, all evergreen browsers handle string concatenation well. Array.join only helps IE 11
Overall, Opera is fastest, 4 times as fast as Array.join
Firefox is second and Array.join is only slightly slower in FF but consi...
SQL query for today's date minus two months
...
If you use MySQL this would become: MyDate < DATE_ADD(NOW(), INTERVAL -2 MONTH)
– Stefan
Feb 27 '14 at 15:51
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how to make twitter bootstrap submenu to open on the left side?
...on and my answer are from august 2012. Meanwhile, Bootstrap is changed, so now you have .pull-left class. Back then, my answer was correct. Now you don't have to manually set css, you have that .pull-left class.
– Miljan Puzović
Mar 2 '14 at 19:58
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Is null check needed before calling instanceof?
... was part of Java 1.0, released almost 20 years ago. Changing the behavior now in a way that would break existing code is unlikely, absent some benefit that outweighs that huge cost. Twenty years ago, maybe there could have been arguments for returning true iff the argument could be cast, or throwin...
How to make git mark a deleted and a new file as a file move?
...tructure.
Run git add -A .
Run git status to verify that the "new file" is now a "renamed" file
If git status still shows "new file" and not "renamed" you need to follow Hank Gay’s advice and do the move and modify in two separate commits.
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Import existing source code to GitHub
...ly why. If you create your github repo with a readme.md, you are actually now behind what you're trying to make your origin.
– user559633
Oct 31 '12 at 16:35
7
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How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]
... Backet.io of Adobe, AppJS, etc. It is so unstable and only is a prototype now for get a MVP, is writed in Python for test concept but will be translate code to C++/C with QT5 (now use QT4) and when be in C++/C start translation for mobil support.
– user2006656
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