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How do I reference a Django settings variable in my models.py?
This is a very beginner question. But I'm stumped. How do I reference a Django settings variable in my model.py?
2 Answer...
ALTER TABLE, set null in not null column, PostgreSQL 9.1
I have a table with not null column, How to set a null value in this column as default?
4 Answers
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R data formats: RData, Rda, Rds etc
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Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you do with RData.
Rds stores a single R object. Yet, beyond that simple explanation, there are several differences from a "standard" storage....
What is Pseudo TTY-Allocation? (SSH and Github)
I was trying to setup an SSH connection with Github following this tutorial: https://help.github.com/articles/testing-your-ssh-connection/
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New Line on PHP CLI
I have a php CLI script and cannot get the output to break on new lines. I do
4 Answers
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Will writeToFile:atomically: overwrite data?
Really simple question but it doesn't seem to be clear in Apple's docs.
2 Answers
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how to set a value for a span using JQuery
How to set a value for a span using JQuery..
5 Answers
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How does the @property decorator work in Python?
...is just syntactic sugar; the syntax:
@property
def foo(self): return self._foo
really means the same thing as
def foo(self): return self._foo
foo = property(foo)
so foo the function is replaced by property(foo), which we saw above is a special object. Then when you use @foo.setter(), what you ...
Python __call__ special method practical example
I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...
How can I add items to an empty set in python
I have the following procedure:
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