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How to discover number of *logical* cores on Mac OS X?

...id-2011 1.7GHz MacBook Air, this command says 4. However, I suspected it really only has 2 cores, and system_profiler SPHardwareDataType seems to agree. Can you explain the discrepancy? – Joshua Flanagan Sep 24 '11 at 1:42 ...
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Attempt by security transparent method 'WebMatrix.WebData.PreApplicationStartCode.Start()'

...r me this error was because I did NOT have Microsoft.AspNet.WebHelpers installed after updating from MVC 4 to MVC 5. It was fixed by installing the NuGet package Install-Package -Id Microsoft.AspNet.WebHelpers share ...
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When should I use C++ private inheritance?

...ance: This is NOT a complete answer. Read other answers like here (conceptually) and here (both theoretic and practic) if you are interested in the question. This is just a fancy trick that can be achieved with private inheritance. While it is fancy it is not the answer to the question. Besides the...
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What does [].forEach.call() do in JavaScript?

I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array. ...
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MySQL maximum memory usage

...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections. Settings & database MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...
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How to set default value for form field in Symfony2?

..., it will also always force the value under any context. Not what I would call a "default value"... – Hubert Perron Apr 3 '13 at 18:25 4 ...
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Is there a Python caching library?

... Ah, I kept searching for this and all I found was a wiki that mentioned how to use it as an WSGI middleware. It looks like what I need, thank you. – Stavros Korokithakis Sep 15 '09 at 14:20 ...
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Logic to test that 3 of 4 are True

... Thanks! This is really what I meant to do, but my idea was so clumsy that I reached for boolean logic. – Simon Kuang Mar 9 '14 at 20:33 ...
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Handling exceptions from Java ExecutorService tasks

... Thanks, I ended up using this solution. Additionally, in case anyone is interested: others have suggested not subclassing the ExecutorService, but I did anyway because I wanted to monitor tasks as they complete rather than waiting for all of them to terminate and then call...
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Sorting multiple keys with Unix sort

I have potentially large files that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters. ...