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XPath: How to check if an attribute exists?

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How do I explicitly specify a Model's table-name mapping in Rails?

...9.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788...
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Python's “in” set operator

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What's a good way to overwrite DateTime.Now during testing?

... class StaticClock: IClock { DateTime Now { get { return new DateTime(2008, 09, 3, 9, 6, 13); } } } There may be some overhead in providing the clock to the class that relies on it, but that could be handled by any number of dependency injection solutions (using an Inversion of Control contai...
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Fix code indentation in Xcode

... + i ... Thats it – Hos Mercury Aug 20 '18 at 19:37 1 LOL I misread and tried command + i, and it...
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GROUP_CONCAT comma separator - MySQL

...9.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788...
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Creating an instance of class

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How can I obtain an 'unbalanced' grid of ggplots?

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Difference between passing array and array pointer into function in C

...| edited Dec 23 '16 at 23:28 Morgoth 3,71144 gold badges3333 silver badges5151 bronze badges answered Ap...
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Need a good hex editor for Linux [closed]

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