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Equation (expression) parser with precedence?
...ms with expressions of the form '1+11*5' (i.e., with operator precedence). Googling for 'grammar for arithmetic expressions', for example, should yield some good pointers. Such a grammar need not be complicated:
<Exp> ::= <Exp> + <Term> |
<Exp> - <Term> |
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How Python web frameworks, WSGI and CGI fit together
...s.
How to install WSGI support?
Follow these instructions.
https://code.google.com/archive/p/modwsgi/wikis/IntegrationWithDjango.wiki
For background see this
http://docs.djangoproject.com/en/dev/howto/deployment/#howto-deployment-index
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Saving an Object (Data persistence)
... a single call:
tech_companies = [
Company('Apple', 114.18), Company('Google', 908.60), Company('Microsoft', 69.18)
]
save_object(tech_companies, 'tech_companies.pkl')
and restore the list and everything in it later with:
with open('tech_companies.pkl', 'rb') as input:
tech_companies = p...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
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What is the fastest integer division supporting division by zero no matter what the result is?
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How do you validate a URL with a regular expression in Python?
I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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Why does pthread_cond_wait have spurious wakeups?
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Inheriting class methods from modules / mixins in Ruby
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Call Go functions from C
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What does “fragment” mean in ANTLR?
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