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Save image from URL by paperclip

... Nicolas BlancoNicolas Blanco 10.2k55 gold badges3434 silver badges4949 bronze badges 7 ...
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What is the best way to do a substring in a batch file?

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WPF: ItemsControl with scrollbar (ScrollViewer)

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Can existing virtualenv be upgraded gracefully?

... 63 You can use the Python 2.6 virtualenv to "revirtual" the existing directory. You will have to re...
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How to check if a model has a certain column/attribute?

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Default value for field in Django model

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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)

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How to dynamically build a JSON object with Python?

... Dan Loughney 4,04033 gold badges2121 silver badges3636 bronze badges answered Apr 16 '14 at 13:07 Martijn Pieters♦Mar...
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Why does changing 0.1f to 0 slow down performance by 10x?

...) { double start = omp_get_wtime(); const float x[16]={1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,2.4,2.5,2.6}; const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145,2.256,2.367,2.478,2.589,2.690}; float y[16]; for(int i=0;i<16;i++) ...
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How do I decode HTML entities in Swift?

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