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Determine if the device is a smartphone or tablet? [duplicate]
I would like to get info about a device to see if it's a smartphone or tablet. How can I do it?
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Direct casting vs 'as' operator?
Consider the following code:
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How to save traceback / sys.exc_info() values in a variable?
I want to save the name of the error and the traceback details into a variable. Here's is my attempt.
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Windows batch: formatted date into variable
How do I save the current date in YYYY-MM-DD format into some variable in a Windows .bat file?
17 Answers
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CSS transition shorthand with multiple properties?
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Python function global variables?
I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
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Removing all empty elements from a hash / YAML?
How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file?
20 Answers
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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How can building a heap be O(n) time complexity?
Can someone help explain how can building a heap be O(n) complexity?
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