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What is the best way to implement nested dictionaries
I have a data structure which essentially amounts to a nested dictionary Lets say it looks like this new jersey mercer county plumbers 3 programmers 81
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What is the difference between git branch and git checkout -b
I used git checkout b to create a new branch I think that git branch does the same thing How do these two commands differ if they differ at
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What is the difference between max-device-width and max-width for mobile web
I need to develop some html pages for iphoneandroid phones but what is the difference between maxdevicewidth and maxwidth I need to use different css for
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What is the difference between text and new Stringtext
What is the difference between these two following statements String s text String s new
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What is the difference between tmain and main in C
If I run my C application with the following main method everything is OK int mainint argc char argv cout ltlt There are ltlt argc ltlt arguments ltlt endl
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What is the intended use-case for git stash
If I work on branch A and suddenly need to work on branch B before being ready with a commit on branch A I stash my changes on A checkout B do my work there
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When do you use the this keyword closed
As it currently stands this question is not a good fit for our QampA format We expect answers to be supported by facts references or expertise but this
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Which characters are validinvalid in a JSON key name
Are there any forbidden characters in key names for JavaScript objects or JSON strings Or characters that need to be escaped To be more specific Id like to use
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Why does PostgreSQL perform sequential scan on indexed column
Very simple example one table one index one query CREATE TABLE book id bigserial NOT NULL year integer other columns CREATE INDEX bookyearidx ON book year
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