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Is std::vector copying the objects with a push_back?
... that said, you should not use std::auto_ptr in stl containers, for more info : why-is-it-wrong-to-use-stdauto-ptr-with-standard-containers
– OriginalCliche
Apr 11 '13 at 18:48
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Differences between unique_ptr and shared_ptr [duplicate]
...>, but the default is to use the riskier version because it is a little more efficient.
– Aaron McDaid
Aug 10 '15 at 20:45
5
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How does free know how much to free?
...ount of memory to allocate. The amount of memory actually used is slightly more than this, and includes extra information that records (at least) how big the block is. You can't (reliably) access that other information - and nor should you :-).
When you call free(), it simply looks at the extra inf...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
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How do I determine whether an array contains a particular value in Java?
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Using PowerShell to write a file in UTF-8 without the BOM
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Difference between \n and \r?
...er can move while the carriage is still going leftwards!-) Wikipedia has a more detailed explanation.
for character-mode terminals (typically emulating even-older printing ones as above), in raw mode, \r and \n act similarly (except both in terms of the cursor, as there is no carriage or roller;-)
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Setting DIV width and height in JavaScript
...and put your styles in external CSS files. Not only will your code be much more maintainable, but you'll actually make friends with your Web designers!
document.getElementById("div_register").setAttribute("class","wide");
.wide {
display:block;
width:500px;
}
.hide {
display:none;
}
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A cron job for rails: best practices?
...n that takes long to start up, our Rake is called every minute and consume more resources starting up the Rails environment that executing the task. I'd love to have an already started up Rails environment to be called through the cron, have to be something between the controller approach and the ra...