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What is “overhead”?

... s/drive/go/ (If you're needing to drive somewhere you don't usually decide to walk... – RCIX May 19 '10 at 7:18 1 ...
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What's the Point of Multiple Redis Databases?

...ce are no different than schemas in RDBMS database instances. So, with all of that said, why/when would I ever want to use multiple Redis databases instead of just spinning up an extra instance of Redis for each extra database I want? There's one clear advantage of using redis databases in...
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When would you use the different git merge strategies?

...s: Recursive Recursive is the default for non-fast-forward merges. We're all familiar with that one. Octopus I've used octopus when I've had several trees that needed to be merged. You see this in larger projects where many branches have had independent development and it's all ready to come to...
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Can an abstract class have a constructor?

...hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value. Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class. NOTE: As there is no default (or no...
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

...m to be leaving out the most important point: Unless you are trying to parallelize a CPU-intensive operation in order to get it done faster on a low-load site, there is no point in using a worker thread at all. That goes for both free threads, created by new Thread(...), and worker threads in the ...
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.gitignore after commit [duplicate]

...o keep the local copy but remove from the repo. ) So if you want to remove all the exe's from your repo do git rm --cached /\*.exe (Note that the asterisk * is quoted from the shell - this lets git, and not the shell, expand the pathnames of files and subdirectories) ...
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How do Trigonometric functions work?

...angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all angles. Once you've reduced your argument, most chips use a CORDIC algorithm to compute the sines and cosines. You may hear people say that computers use Taylor series. That sounds reasonable, but...
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Visual Studio “Could not copy” … during build

...ning Visual Studio. This "bug" has existed since Visual Studio 2003. Finally, I have also found that I can often overcome this problem by simply renaming the executable file and then deleting it. share | ...
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How to convert wstring into string?

...e <locale> #include <vector> int main() { std::setlocale(LC_ALL, ""); const std::wstring ws = L"ħëłlö"; const std::locale locale(""); typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type; const converter_type& converter = std::use_facet<converter...
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How do you add an in-app purchase to an iOS application?

How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code? 5 Answers ...