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How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
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Convert a char to upper case using regular expressions (EditPad Pro)
I wrote a regular expression in hope that I will be able to replace every match (that is just one char) to upper case char. I am using EditPad Pro (however I am willing to use any other tool that would allow me to do this, as long as it is free to try, since I only need to do this once).
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Python argparse command line flags without arguments
How do I add an optional flag to my command line args?
4 Answers
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Print array elements on separate lines in Bash?
How do I print the array element of a Bash array on separate lines? This one works, but surely there is a better way:
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Attach a file from MemoryStream to a MailMessage in C#
I am writing a program to attach a file to email. Currently I am saving file using FileStream into disk, and then I use
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Enter “&” symbol into a text Label in Windows Forms?
How would one enter special characters into a Label in C# (Windows Forms)?
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Fill between two vertical lines in matplotlib
I went through the examples in the matplotlib documentation, but it wasn't clear to me how I can make a plot that fills the area between two specific vertical lines.
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Getting number of elements in an iterator in Python
Is there an efficient way to know how many elements are in an iterator in Python, in general, without iterating through each and counting?
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Compare two Byte Arrays? (Java)
I have a byte array with a ~known binary sequence in it. I need to confirm that the binary sequence is what it's supposed to be. I have tried .equals in addition to == , but neither worked.
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Enumerable.Empty() equivalent for IQueryable
When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() .
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