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Python group by
Assume that I have a set of data pair where index 0 is the value and index 1 is the type:
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
The following code gives the error UnboundLocalError: local variable 'Var1' referenced before assignment :
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How to prevent a background process from being stopped after closing SSH client in Linux
I'm working on a Linux machine through SSH (Putty). I need to leave a process running during the night, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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Postgres unique constraint vs index
As I can understand documentation the following definitions are equivalent:
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Python 3 turn range to a list
I'm trying to make a list with numbers 1-1000 in it. Obviously this would be annoying to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
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How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
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Saving vim macros
Does anyone know how to properly save/reuse macros recorded inside of a vim editor?
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How to get all subsets of a set? (powerset)
Given a set
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GraphViz - How to connect subgraphs?
In the DOT language for GraphViz , I'm trying to represent a dependency diagram. I need to be able to have nodes inside a container and to be able to make nodes and/or containers dependent on other nodes and/or containers.
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Check if a given Type is an Enum
I am writing a JsonConverter for Json.NET which should allow me to convert any enum's to a string value defined by a [Description] attribute.
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