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How does _gaq.push(['_trackPageLoadTime']) work?

...precated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.) _setSiteSpeedSampleRate is the new function for setting the sample rate on this feature; its default value is 1 (as in 1%). To opt out of ...
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What is the canonical way to check for errors using the CUDA runtime API?

...ag wiki , I see it is often suggested that the return status of every API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , but what is the best way to put these together to reliably catch and report err...
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What's the difference between dist-packages and site-packages?

I'm a bit miffed by the python package installation process. Specifically, what's the difference between packages installed in the dist-packages directory and the site-packages directory? ...
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Is there a benefit to defining a class inside another class in Python?

What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right? ...
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?

... always move from its argument. It's supposed to move if the argument is really an rvalue, and copy if it's an lvalue. The behaviour, you observe, which always moves, is a bug in libstdc++, which is now fixed according to a comment on the question. For those curious, I took a look at the g++-4.8 he...
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How do I get my Python program to sleep for 50 milliseconds?

...rity, CPU load avg, available memory, and a plethora of other factors make all calls imprecise. The busier the system is, the higher the imprecision. – David Jan 28 '19 at 18:44 2...
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What's the deal with a leading underscore in PHP class methods?

... { to give it some extra weight. I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that. share | improve this answer | ...
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Wrap a delegate in an IEqualityComparer

...fying. But I still don't understand your hashing policy of t => 0. If all objects always hash to the same thing (zero), then isn't that even more broken than using obj.GetHashCode, per @Dan Tao's point? Why not always force the caller to provide a good hash function? – Jo...
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... = "function-name"; appeared, where function-name is the name of the lexically-enclosing function. This name is the unadorned name of the function. Note that it is not a macro and it has no special meaning during preprocessing. __func__ was added to C++ in C++11, where it is specified as containi...
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How can I force users to access my page over HTTPS instead of HTTP?

... The way I've done it before is basically like what you wrote, but doesn't have any hardcoded values: if($_SERVER["HTTPS"] != "on") { header("Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]); exit(); } ...