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How to access array elements in a Django template?
... dot notation in a Django template is used for four different notations in Python. In a template, foo.bar can mean any of:
foo[bar] # dictionary lookup
foo.bar # attribute lookup
foo.bar() # method call
foo[bar] # list-index lookup
It tries them in this order until it fin...
Flask-SQLAlchemy how to delete all rows in a single table
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Not the answer you're looking for? Browse other questions tagged python sqlalchemy flask-sqlalchemy or ask your own question.
How to run a shell script in OS X by double-clicking?
... This is a really great app. But I have some problem here. I have a python script that I want to convert into an .app file. My script includes a line where the user has to type some input (raw_input()), when the .app reaches this line of code, it throws an EOF (end of file) error. What can I ...
Workflow for statistical analysis and report writing
... I press "Go", Sweave dumps out a few score .tex files, and I run a little Python script to pdflatex them all. My predecessor spent ~6 weeks each year on these reports; I spend about 3 days (mostly on cleaning data; escape characters are hazardous).
It's very possible that there are better approac...
Putting git hooks into repository
... "...": "..."
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}
}
Others
Additionally, there is pre-commit for Python projects, Overcommit for Ruby projects, and Lefthook for Ruby or Node projects.
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What is the purpose of Flask's context stacks?
... multiple apps. Imagine the situation where you want to have a single WSGI Python interpreter run multiple Flask application. We're not talking Blueprints here, we're talking entirely different Flask applications.
You might set this up similar to the Flask documentation section on "Application Disp...
Which regular expression operator means 'Don't' match this character?
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Python needs the ? in order to tell that it's an extension. Other regex engines may have their own rules.
– Ignacio Vazquez-Abrams
May 8 '11 at 5:21
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Mixin vs inheritance
...tiate abstract class Abstraction with
abstract methods complex_method
In Python, some classes in the abc module are examples of parent classes that both provide functionality through inheritance and abstract interfaces that must be implemented by the subclass. These ideas are not mutually exclusiv...
Redefine tab as 4 spaces
... help here too) Also, 8-char-wide tabs is "the standard" -- your terminal, Python, and many other tools default to 8-char-wide-tabs.
– Laurence Gonsalves
Jan 16 '19 at 21:04
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Tricks to manage the available memory in an R session
...nguage where development incorporates a REPL and a file being edited (i.e. Python). rm(ls=list()) and source() works too, but re-opening is better (packages cleared too).
– Vince
Jun 15 '10 at 5:31
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