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String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
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How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
86 Answers
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How to check if a string contains text from an array of substrings in JavaScript?
Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array.
21 Answers
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Split comma-separated strings in a column into separate rows
I have a data frame, like so:
6 Answers
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How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
12
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Oracle SQL Query for listing all Schemas in a DB
I wanted to delete some unused schemas on our oracle DB.
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7
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Why does datetime.datetime.utcnow() not contain timezone information?
...s this datetime not have any timezone info given that it is explicitly a UTC datetime ?
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Python: Tuples/dictionaries as keys, select, sort
Suppose I have quantities of fruits of different colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on.
I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g.,
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Is it safe to assume a GUID will always be unique?
I know there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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