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Unique constraint that allows empty values in MySQL

...| edited Oct 31 '12 at 19:00 EricC 97611 gold badge1616 silver badges3232 bronze badges answered Aug 28 ...
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background function in Python

...ode that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in the background while the code continues to execute? I would just use a default image until the correct one becomes ava...
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Should the .gradle folder be added to version control?

... ShornShorn 11.7k1010 gold badges5555 silver badges109109 bronze badges ...
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Is there a difference between single and double quotes in Java?

... | edited Apr 20 '15 at 21:09 Luiggi Mendoza 79.9k1010 gold badges130130 silver badges278278 bronze badges ...
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How should I write tests for Forms in Django?

... 250 I think if you just want to test the form, then you should just test the form and not the view w...
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Convert all first letter to upper case, rest lower for each word

... answered Dec 21 '09 at 23:26 jspcaljspcal 45.7k44 gold badges6464 silver badges6666 bronze badges ...
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How can I create a simple message box in Python?

... included library with Python install. ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1) Or define a function (Mbox) like so: import ctypes # An included library with Python install. def Mbox(title, text, style): return ctypes.windll.user32.MessageBoxW(0, text, title, styl...
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“ArrayAdapter requires the resource ID to be a TextView” xml problems

...earLayout, RelativeLayout etc!), something like this: <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" // other attributes of the TextView /> ...
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Access lapply index names inside FUN

... | edited Mar 30 '12 at 21:50 answered Mar 30 '12 at 20:47 ...
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Is there a way to chain multiple value converters in XAML?

...| edited May 2 '17 at 15:30 Hakan Fıstık 9,09888 gold badges5757 silver badges8686 bronze badges answe...