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how to generate migration to make references polymorphic

... 109 As far as I know, there's no built-in generator for polymorphic associations. Generate a blank...
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Difference between constituency parser and dependency parser

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How to compare two dates?

...>> present - datetime(2000, 4, 4) datetime.timedelta(4242, 75703, 762105) share | improve this answer | follow | ...
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How to see full symlink path

... 10 unix flavors -> ll symLinkName OSX -> readlink symLinkName Difference is 1st way would...
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Which concurrent Queue implementation should I use in Java?

..., ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wo...
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Creating my own Iterators

...Rudolph 461k117117 gold badges863863 silver badges11101110 bronze badges ...
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How to update a git clone --mirror?

... ralphtheninjaralphtheninja 100k1919 gold badges9797 silver badges117117 bronze badges ...
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What is the difference between gmake and make?

... 10 On my system no difference (gmake is soft link to make): -> ls -l $(which gmake make) lrwxr...
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git update-index --assume-unchanged on directory

...nged -- $DIR. – kzh Mar 3 '14 at 20:10 add a comment  |  ...
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl

... 105 .classA.classB refers to an element that has both classes A and B (class="classA classB"); whe...