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Preventing Laravel adding multiple records to a pivot table

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Difference between Destroy and Delete

...cks on the model"? – BKSpurgeon Mar 10 '16 at 1:23 3 @BKSpurgeon he means ActiveRecord::Callbacks...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

... one. – user829755 May 20 '13 at 17:10 add a comment  |  ...
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Fast permutation -> number -> permutation mapping algorithms

...n a binary number, 'xyz' means z + 2y + 4x. For a decimal number, it's z + 10y + 100x. Each digit is multiplied by some weight, and the results are summed. The obvious pattern in the weight is of course that the weight is w = b^k, with b the base of the number and k the index of the digit. (I will a...
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What's the difference between == and .equals in Scala?

... answered Oct 6 '11 at 23:10 Don RobyDon Roby 38.4k66 gold badges8282 silver badges104104 bronze badges ...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

... | edited Aug 24 '17 at 10:42 Roman 3,29022 gold badges1818 silver badges2929 bronze badges answered J...
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Perform Segue programmatically and pass parameters to the destination view

... 107 The answer is simply that it makes no difference how the segue is triggered. The prepareForSe...
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XPath: How to check if an attribute exists?

... answered Sep 17 '10 at 18:26 Felix KlingFelix Kling 666k151151 gold badges968968 silver badges10321032 bronze badges ...
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Int to Char in C#

... gimelgimel 69.4k1010 gold badges6868 silver badges104104 bronze badges ...
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Why does Python print unicode characters when the default encoding is ASCII?

... 104 Thanks to bits and pieces from various replies, I think we can stitch up an explanation. By ...