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Combine two data frames by rows (rbind) when they have different sets of columns
Is it possible to row bind two data frames that don't have the same set of columns? I am hoping to retain the columns that do not match after the bind.
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SQL Switch/Case in 'where' clause
I tried searching around, but I couldn't find anything that would help me out.
11 Answers
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Finding sum of elements in Swift array
What is the easiest (best) way to find the sum of an array of integers in swift?
I have an array called multiples and I would like to know the sum of the multiples.
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What is the difference between a Docker image and a container?
When using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image.
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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Django filter versus get for single object?
I was having a debate on this with some colleagues. Is there a preferred way to retrieve an object in Django when you're expecting only one?
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Find and extract a number from a string
I have a requirement to find and extract a number contained within a string.
29 Answers
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Execute Insert command and return inserted Id in Sql
I am inserting some values into a SQL table using C# in MVC 4. Actually, I want to insert values and return the 'ID' of last inserted record. I use the following code.
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How to get the path of a running JAR file?
My code runs inside a JAR file, say foo.jar , and I need to know, in the code, in which folder the running foo.jar is.
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Reading a string with scanf
I'm a little bit confused about something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
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