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Understanding scala enumerations

...er Value representing the individual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here). Thus object WeekDay inherits that type member. The line type WeekDay = Value is just a type alias. It is useful, because after you import it elsewhere with import...
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Python memory leaks [closed]

... have a long-running script which, if let to run long enough, will consume all the memory on my system. 9 Answers ...
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Android ACTION_IMAGE_CAPTURE Intent

...works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" button in the camera app. The "Ok" button just does nothing. The camera app stays ...
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?

...would be even more helpful if it was explained what interface oriented actually means. I may be wrong, but I think the orientation dependence only pertains to view controllers. If you take any other class and calculate the bounds, they are still according to the old style, always portrait. ...
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How to prevent IFRAME from redirecting top-level window

... iFrames do allow cross-domain communication, though, using postMessage. This isn't a security risk, but someone might care to know that this capability exists when they see your comment. :) – coreyward ...
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Naming returned columns in Pandas aggregate function? [duplicate]

...er, this does not work with lambda functions, since they are anonymous and all return <lambda>, which causes a name collision: >>> df.groupby('A').agg({'B': [lambda x: x.min(), lambda x: x.max]}) SpecificationError: Function names must be unique, found multiple named <lambda> ...
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What is the difference between #import and #include in Objective-C?

... decent header files protect themselves against this anyway, so it's not really that much of a benefit. Basically, it's up to you to decide which you want to use. I tend to #import headers for Objective-C things (like class definitions and such) and #include standard C stuff that I need. For exampl...
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SQL Add foreign key to existing column

...sed an error trying to create the relationships to the other table. Thanks all. – ExceptionLimeCat Apr 30 '12 at 20:35 ...
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Circle line-segment collision detection algorithm?

... exdx + eydy - dxh - dyk ) + ex2 + ey2 - 2exh - 2eyk + h2 + k2 - r2 = 0 Finally, t2( _d * _d ) + 2t( _e * _d - _d * _c ) + _e * _e - 2( _e*_c ) + _c * _c - r2 = 0 *Where _d is the vector d and * is the dot product.* And then, t2( _d * _d ) + 2t( _d * ( _e - _c ) ) + ( _e - _c ) * ( _e - _c ) - r2 = ...
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Test PHP headers with PHPUnit

...78 Error: Class 'PHPUnit_Util_Configuration' not found in - on line 378 Call Stack: 0.0013 582512 1. {main}() -:0 Try add this to your bootstrap file to fix it: <?php if (!defined('PHPUNIT_COMPOSER_INSTALL')) { define('PHPUNIT_COMPOSER_INSTALL', __DIR__ . '/path/to/composer/ven...