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How to round up the result of integer division?

...ause it only uses it once, you don't need to store the recordsPerPage specially if it comes from an expensive function to fetch the value from a config file or something. I.e. this might be inefficient, if config.fetch_value used a database lookup or something: int pageCount = (records + config.f...
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How do browsers pause/change Javascript when tab or window is not active?

... Test One I have written a test specifically for this purpose: Frame Rate Distribution: setInterval vs requestAnimationFrame Note: This test is quite CPU intensive. requestAnimationFrame is not supported by IE 9- and Opera 12-. The test logs the actual time it ta...
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Using LINQ to concatenate strings

...pport aggregates as extension methods. Using the dot-notation, one simply calls a method on an IEnumerable object. Remember that aggregate queries are executed immediately. More information - MSDN: Aggregate Queries If you really want to use Aggregate use variant using StringBuilder proposed in...
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How should one go about choosing a default TCP/IP port for a new service?

...d one go about selecting a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired. ...
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Get the last inserted row ID (with SQL statement) [duplicate]

... Note that SCOPE_IDENTITY() can yield incorrect results as well (under parallelism), see support.microsoft.com/kb/2019779 - the fix was first made available last week for 2008 R2 SP1 CU5. In all earlier versions, the workarounds are to set maxdop to 1, keep a fixed plan that happens to not use para...
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Removing carriage return and new-line from the end of a string in c#

... Just out of interest, all you really need is s = s.TrimEnd() - as the docs say: If trimChars is null or an empty array, Unicode white-space characters are removed instead. - see String.TrimEnd – Stuart Wood ...
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“File not found” when running new LibGDX project

I trying to learn LibGDX, I install all the software listed here with a new Eclipse 4.3 on a fresh formatted mac OS X Maverick. ...
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Get the device width in javascript

...th property. Sometimes it's also useful to use window.innerWidth (not typically found on mobile devices) instead of screen width when dealing with desktop browsers where the window size is often less than the device screen size. Typically, when dealing with mobile devices AND desktop browsers I use...
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“Cloning” row or column vectors

...he result contain a single distinct element each. – BallpointBen Apr 13 '18 at 21:11 This should be the accepted answe...
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Convert light frequency to RGB?

...teachers may have told us (well mine did). Too bad, but in practice not usually fatal. – Francis Davey May 29 '10 at 22:58 1 ...