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How to read the Stock CPU Usage data

... screen, showing how much the CPU is being used. The top red bar shows overall CPU usage, and the green bar underneath it shows the CPU time spent in compositing the screen. Note: You cannot turn this feature off once it is on, without restarting the emulator. developer.android.com/tools/debugging/...
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difference between throw and throw new Exception()

...w ex; throws the original exception but resets the stack trace, destroying all stack trace information until your catch block. NEVER write throw ex; throw new Exception(ex.Message); is even worse. It creates a brand new Exception instance, losing the original stack trace of the exception, as well...
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update package.json version automatically

Before I do a small release and tag it, I'd like to update the package.json to reflect the new version of the program. 11 A...
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How to interpret API documentation function parameters?

...a way as to confuse perennial newbs / hackers / DIYers like myself? It's really not meant to be written that way. I'll agree there seems to be no ease of use across API documentations. However, there is a lot of cross over from older man style syntax conventions, to the modern API/namespace conventi...
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What's the point of NSAssert, actually?

...hat value is what you expect it to be, and if it's not then something is really wrong, and so the app quits. Assert can be very useful for debugging/unit testing, and also when you provide frameworks to stop the users from doing "evil" things. ...
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How do I determine k when using k-means clustering?

...nder Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999. Finally, you can start with one cluster, then keep splitting clusters until the points assigned to each cluster have a Gaussian distribution. In "Learning the k in k-means" (NIPS 2003), Greg Hamerly and Charles Elkan show some ...
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What does ~~ (“double tilde”) do in Javascript?

...he value to a string or a boolean), then inverts the lowest 31 bits. Officially ECMAScript numbers are all floating-point, but some numbers are implemented as 31-bit integers in the SpiderMonkey engine. You can use it to turn a 1-element array into an integer. Floating-points are converted accordin...
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Fatal error: Maximum execution time of 300 seconds exceeded

... This line of code will drop the max execution time restriction of a code, allowing a php code to run forever (theoretically). – Technotronic May 20 '15 at 13:09 2 ...
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Multiplication on command line terminal

...ered Jun 14 '12 at 19:29 We Are All MonicaWe Are All Monica 11.3k77 gold badges3939 silver badges6767 bronze badges ...
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“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate

...e careful because this change is global to your AppDomain, and will cause calls to any site which doesn't offer TLS 1.2 to fail (which you may prefer if the data to be transported is truly sensitive). To prefer TLS 1.2 but still allow 1.1 and 1.0, you have to OR them: ServicePointManager.SecurityPro...