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Enum “Inheritance”
I have an enum in a low level namespace. I'd like to provide a class or enum in a mid level namespace that "inherits" the low level enum.
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How do I (or can I) SELECT DISTINCT on multiple columns?
I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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Case in Select Statement
I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For example:
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Concatenate two slices in Go
I'm trying to combine the slice [1, 2] and the slice [3, 4] . How can I do this in Go?
7 Answers
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The new syntax “= default” in C++11
I don't understand why would I ever do this:
5 Answers
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What does the “at” (@) symbol do in Python?
I'm looking at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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SQL statement to get column type
Is there a SQL statement that can return the type of a column in a table?
22 Answers
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Git error: “Host Key Verification Failed” when connecting to remote repository
I am trying to connect to a remote Git repository that resides on my web server and clone it to my machine.
18 Answers
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EF LINQ include multiple and nested entities
Ok, I have tri-leveled entities with the following hierarchy: Course -> Module -> Chapter
5 Answers
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selecting unique values from a column
I have a MySQL table which contains the following type of information:
9 Answers
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