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Abort makefile if variable not set

... an auxiliary function for that: # Check that given variables are set and all have non-empty values, # die with an error otherwise. # # Params: # 1. Variable name(s) to test. # 2. (optional) Error message to print. check_defined = \ $(strip $(foreach 1,$1, \ $(call __check_defined,$...
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o

Getting strange behavior when calling function outside of a closure: 9 Answers 9 ...
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Can I use Twitter Bootstrap and jQuery UI at the same time?

... with jQuery UI (something which caused a number of widgets to break visually) The ability to theme jQuery UI widgets using Bootstrap styles. Whilst I love jQuery UI, I (like others) find some of the current themes to look a little dated. My hope is that this theme provides a decent alternat...
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Label Alignment in iOS 6 - UITextAlignment deprecated

...MAY change at some time in the future and cause unexpected results. That's all. No doomsday scenario in this case, but better practices should prevail. – Brenden Nov 2 '12 at 19:36 ...
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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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Search for executable files using find command

... @sourcejedi Thanks. I was actually only talking about non-GNU versions of find (BSD, in particular) but older versions of GNU find actually did support that syntax too. In newer versions you'll have to use / instead of +. See the updated answer for more d...
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MemoryCache does not obey memory limits in configuration

...ximum cache size, but in my tests it does not appear that the cache is actually obeying the limits. 7 Answers ...
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Ruby replace string with captured regex pattern

...d answer first without reading the entirety of answers. That seems to generally be the most efficient means of fixing a problem. Give Vicky a break! :) – Josh M. Jan 31 '14 at 3:43 ...
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Rails layouts per action?

...th this is that you cannot access objects such as current_user to conditionally determine the layout – Andrew K Dec 14 '14 at 5:25 ...
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Remove duplicates from an array of objects in JavaScript

...) dot notation. Yours is ES5 syntax. The others are mostly ES6 (ECMA2015). All are valid in 2017. See jaredwilli's comment. – agm1984 Nov 15 '17 at 9:20 ...