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Shortcut for creating single item list in C#
In C#, is there an inline shortcut to instantiate a List with only one item.
13 Answers
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SQL Server: Examples of PIVOTing String data
Trying to find some simple SQL Server PIVOT examples. Most of the examples that I have found involve counting or summing up numbers. I just want to pivot some string data. For example, I have a query returning the following.
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Does Java have a HashMap with reverse lookup?
I have data that is organized in kind of a "key-key" format, rather than "key-value". It's like a HashMap, but I will need O(1) lookup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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Singleton pattern in nodejs - is it needed?
I recently came across this article on how to write a singleton in Node.js. I know the documentation of require states that:
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How do I check for nulls in an '==' operator overload without infinite recursion?
The following will cause infinite recursion on the == operator overload method
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How can I upload fresh code at github?
I have a directory with all my coding projects.
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Format of the initialization string does not conform to specification starting at index 0
I have an ASP.NET application which runs fine on my local development machine.
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How to shift a column in Pandas DataFrame
I would like to shift a column in a Pandas DataFrame , but I haven't been able to find a method to do it from the documentation without rewriting the whole DF. Does anyone know how to do it?
DataFrame:
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Sleeping in a batch file
When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...
Django class-based view: How do I pass additional parameters to the as_view method?
I have a custom class-based view
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