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Is there a standardized method to swap two variables in Python?
In Python, I've seen two variable values swapped using this syntax:
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How do I return multiple values from a function? [closed]
The canonical way to return multiple values in languages that support it is often tupling .
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How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
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In a django model custom save() method, how should you identify a new object?
I want to trigger a special action in the save() method of a Django model object when I'm saving a new record (not updating an existing record.)
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How do I add the contents of an iterable to a set?
What is the "one [...] obvious way" to add all items of an iterable to an existing set ?
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Difference between single and double quotes in Bash
In Bash, what are the differences between single quotes ( '' ) and double quotes ( "" )?
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How to search a specific value in all tables (PostgreSQL)?
Is it possible to search every column of every table for a particular value in PostgreSQL?
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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What's the difference between %s and %d in Python string formatting?
I don't understand what %s and %d do and how they work.
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Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...