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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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Most efficient way to concatenate strings?

...uch better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder. StringBuilder sb = new StringBuilder(); sb.Append(someString); The only problem with String.Join is that you have to concatenate the str...
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How do I check if an element is really visible with JavaScript? [duplicate]

... +100 For the point 2. I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an e...
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Setting Icon for wpf application (VS 08)

... answered Apr 28 '10 at 19:09 742742 2,85933 gold badges2020 silver badges1616 bronze badges ...
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Change x axes scale in matplotlib

...', axis='x', scilimits=(0,0)) This applies scientific notation (i.e. a x 10^b) to your x-axis tickmarks share | improve this answer | follow | ...
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How to add reference to a method parameter in javadoc?

... | edited May 25 '16 at 7:10 Jacek Laskowski 61.1k2020 gold badges187187 silver badges343343 bronze badges ...
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recursion versus iteration

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How to convert JSON to a Ruby hash

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For files in directory, only echo filename (no path)

...493/72893 – Nobita Jul 12 '18 at 11:10 2 Consider changing ${file##*/} to "${file##*/}" to suppor...
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Why can I pass 1 as a short, but not the int variable i?

...Rudolph 461k117117 gold badges863863 silver badges11101110 bronze badges ...