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Minimizing NExpectation for a custom distribution in Mathematica

...f we plot pdf2 it looks exactly as your Plot Plot[pdf2[3.77, 1.34, -2.65, 0.40, x], {x, 0, .3}] Now to the expected value. If I understand it correctly we have to integrate x * pdf[x] from -inf to +inf for a normal expected value. x * pdf[x] looks like Plot[pdf2[3.77, 1.34, -2.65, 0.40, x]*x...
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How to customize the background/border colors of a grouped table view cell?

... 100 UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that make...
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Int division: Why is the result of 1/3 == 0?

...se returns the true result of division rounded towards zero. The result of 0.333... is thus rounded down to 0 here. (Note that the processor doesn't actually do any rounding, but you can think of it that way still.) Also, note that if both operands (numbers) are given as floats; 3.0 and 1.0, or eve...
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What is the “-->” operator in C++?

...ised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4. 25 Answers ...
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Showing the same file in both columns of a Sublime Text window

...| edited Oct 22 '16 at 3:40 answered May 30 '14 at 23:33 Ma...
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memory_get_peak_usage() with “real usage”

... +400 Ok, lets test this using a simple script: ini_set('memory_limit', '1M'); $x = ''; while(true) { echo "not real: ".(memory_get_peak...
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How to refresh app upon shaking the device?

... public void onSensorChanged(SensorEvent se) { float x = se.values[0]; float y = se.values[1]; float z = se.values[2]; mAccelLast = mAccelCurrent; mAccelCurrent = (float) Math.sqrt((double) (x*x + y*y + z*z)); float delta = mAccelCurrent - mAccelLast; mAcc...
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How can I declare and define multiple variables in one line using C++?

... that if I declare these three variables that they will all have the value 0 10 Answers ...
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Semi-transparent color layer over background-image?

... position: relative; } .layer { background-color: rgba(248, 247, 216, 0.7); position: absolute; top: 0; left: 0; width: 100%; height: 100%; } HTML for this: <div class="background"> <div class="layer"> </div> </div> Of course you need to ...
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How to enumerate an enum with String type?

... Swift 4.2+ Starting with Swift 4.2 (with Xcode 10), just add protocol conformance to CaseIterable to benefit from allCases. To add this protocol conformance, you simply need to write somewhere: extension Suit: CaseIterable {} If the enum is your own, you may specify the c...