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How do I create a unique constraint that also allows nulls?
I want to have a unique constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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How to subtract a day from a date?
I have a Python datetime.datetime object. What is the best way to subtract one day?
6 Answers
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How to make overlay control above all other controls?
I need to make a control appear above all other controls, so it will partially overlay them.
6 Answers
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Dark theme in Netbeans 7 or 8
Is there a way to have a dark theme in Netbeans?
6 Answers
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How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
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5 Answers
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Pry: show me the stack
Using Pry in Rails, when I hit a breakpoint in the code
binding.pry
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
I have an old web application I have to support (which I did not write).
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Understanding the map function
Apply function to every item of iterable and return a list of the results. If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel.
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How to replace all strings to numbers contained in each string in Notepad++?
I'm trying to find all values with following pattern :
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How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
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