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Is there a difference between using a dict literal and a dict constructor?
Using PyCharm, I noticed it offers to convert a dict literal :
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How to sum array of numbers in Ruby?
I have an array of integers.
17 Answers
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Understanding Linux /proc/id/maps
I am trying to understand my embedded Linux application's memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don't understand all the columns and entries.
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How to get the first word of a sentence in PHP?
I want to extract the first word of a variable from a string. For example, take this input:
22 Answers
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
MySQL has something like this:
5 Answers
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Access an arbitrary element in a dictionary in Python
If a mydict is not empty, I access an arbitrary element as:
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How to write a Ruby switch statement (case…when) with regex and backreferences?
I know that I can write a Ruby case statement to check a match against a regular expressions.
However, I'd like to use the match data in my return statement. Something like this semi-pseudocode:
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Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
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Git flow release branches and tags - with or without “v” prefix
I have seen multiple contradicting definitions on various git flow related websites. Is there an official recommendation or single source of truth?
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Bash, no-arguments warning, and case decisions
I am learning bash.
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