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Threads vs Processes in Linux
...rsion ran about 9x faster (17.38 seconds for processes, 1.93 for threads). Now this does only test creation time, but for short-lived tasks, creation time can be key.
– user17918
May 19 '09 at 15:37
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...rations for the code in class.cpp by including class.h. It only needs to know what these functions or variables look like (which is what a declaration gives you). So it compiles your main.cpp file into some object file (call it main.obj). Similarly, class.cpp is compiled into a class.obj file. T...
What is the best way to concatenate two vectors?
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@Gman: That's a fair point since we know that the source is also a vector (where iterator distance has O(1) complexity). Still, the performance guarantees of insert are something to be mindful of when you can often do better by planning ahead.
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:after vs. ::after
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Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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align right in a table cell with CSS
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What worked for me now is:
CSS:
.right {
text-align: right;
margin-right: 1em;
}
.left {
text-align: left;
margin-left: 1em;
}
HTML:
<table width="100%">
<tbody>
<tr>
<td class="left">
&...
Mocking a class: Mock() or patch()?
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@D.Shawley The link is broken, it can be found here now: "Where to Patch"
– RazerM
Nov 11 '15 at 20:53
2
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jQuery changing style of HTML element
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@Blazemonger LOL, I didn't even know you could do that, but now that you mention it, that 'does' make sense. Thanks for broadening my horizons here.
– VoidKing
Apr 18 '13 at 14:52
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How do I show multiple recaptchas on a single page?
...would need 2 recaptchas to appear on the same page. Is this possible? I know I could probably use a single one for both, but the way I have the layout, I would much prefer to have 2. Thanks.
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Alter column, add default constraint
...s the drop constraint query too.if someone had added getdate() earlier and now he needs to alter it to getutcdate(). he might get some help through this answer. @RalfFriedl
– Abhijit Poojari
Jun 22 '19 at 10:19
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How to fire AJAX request Periodically?
...on.
(function worker() {
$.get('ajax/test.html', function(data) {
// Now that we've completed the request schedule the next one.
$('.result').html(data);
setTimeout(worker, 5000);
});
})();
For simplicity I used the success callback for scheduling. The down side of this is one fail...