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Java Hashmap: How to get key from value?
...pport in Apache Commons Collections. Using collections with generics makes more maintainable code.
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How to scale threads according to CPU cores?
...you are doing and how you setup your thread.
yourThread.start();
}
For more information on creating your own thread, head to this tutorial. Also, you may want to look at Thread Pooling for the creation of the threads.
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You can't specify target table for update in FROM clause
... are the same relation. Therefore this is an arbitrary, inane restriction. More specifically, it's a workaround to coerce MySQL into doing something that it clearly can do, but for some reason it cannot parse in its simpler form.
– Tobia
Jan 19 '15 at 14:22
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Datatable vs Dataset
...you can return multiple distinct sets of data into a single, and therefore more manageable, object.
Performance-wise, you're more likely to get inefficiency from unoptimized queries than from the "wrong" choice of .NET construct. At least, that's been my experience.
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How to pass parameters correctly?
...e, move if rvalue
// Working on copyOfObj...
}
You may want to learn more about this design by watching this talk by Scott Meyers (just mind the fact that the term "Universal References" that he is using is non-standard).
One thing to keep in mind is that std::forward will usually end up in a...
Can I bind an array to an IN() condition?
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Checking if an Android application is running in the background
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Is there a way to detect if a browser window is not currently active?
...tus thanks to the W3C. The Page Visibility API (on MDN) now allows us to more accurately detect when a page is hidden to the user.
document.addEventListener("visibilitychange", onchange);
Current browser support:
Chrome 13+
Internet Explorer 10+
Firefox 10+
Opera 12.10+ [read notes]
The fol...
Does Java have a path joining method? [duplicate]
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@fstanis: Still getPath() is more readable compared to toString() (assuming they return the same thing)
– Nawaz
May 28 '18 at 12:13
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