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How do I find a “gap” in running counter with SQL?

I'd like to find the first "gap" in a counter column in an SQL table. For example, if there are values 1,2,4 and 5 I'd like to find out 3. ...
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How can I plot separate Pandas DataFrames as subplots?

I have a few Pandas DataFrames sharing the same value scale, but having different columns and indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would...
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python max function using 'key' and lambda expression

I come from OOP background and trying to learn python. I am using the max function which uses a lambda expression to return the instance of type Player having maximum totalScore among the list players . ...
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configure: error: C compiler cannot create executables

I've checked a number of similar questions on stackoverflow but haven't found an answer yet. 15 Answers ...
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Change case of a file on Windows?

There are a couple of files in our git-controlled codebase that I'd like to rename. Specifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name. ...
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Can I mix Swift with C++? Like the Objective-C .mm files

I just changed my .m files to .mm and use C++. Is there a way to do the same with Swift? 13 Answers ...
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Append a NumPy array to a NumPy array

I have a numpy_array. Something like [ a b c ] . 9 Answers 9 ...
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Batch files - number of command line arguments

Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments. ...
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How do I find the length of an array?

Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work. ...
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python list by value not by reference [duplicate]

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