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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. s...
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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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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra

... I agree, the more popular answer is tempting, but probably better to fix it correctly. I had to go to the specific problematic file and svn merge it from the trunk. – Steve Kehlet Mar 19 '13 at 17:18...
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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...
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]

...orks, without ever considering dynamic_cast. Needless to say, this is much more powerful as it combines all of const_cast, static_cast and reinterpret_cast, but it's also unsafe, because it does not use dynamic_cast. In addition, C-style casts not only allow you to do this, but they also allow you ...
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How to do version numbers? [closed]

...ompany consider this a major version for which customers might have to pay more, or is it an update of the current major version which may be free? Less of an R&D decision and more a product decision. minor: Starts from 0 whenever major is incremented. +1 for every version that goes public. re...
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Can I bind an array to an IN() condition?

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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...
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MongoDB logging all queries

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Checking if an Android application is running in the background

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