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How exactly do Django content types work?
...Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
...
Finding all possible permutations of a given string in python
I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
...
Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...and .NET Core
can be compiled into self-contained binary file
runs on Mac, Linux, Windows, Windows Core, ARM, ...
Phalanger
GitHub (download), Wikipedia
compiles to .NET (CIL) looks discontinued from July 2017 and doesn't seem to support PHP 7.
phc
compiles to native binaries
not very activ...
How to convert wstring into string?
...ring = "<<s<<std::endl;
}
}
This will usually work for Linux, but will create problems on Windows.
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C: Run a System Command and Get Output? [duplicate]
I want to run a command in linux and get the text returned of what it outputs, but I do not want this text printed to screen. Is there a more elegant way than making a temporary file?
...
Renaming a virtualenv folder without breaking it
...e scripts to use
activate_this.py instead of using the
location of the Python interpreter to
select the environment.
Note: you must run this after you've
installed any packages into the
environment. If you make an
environment relocatable, then install
a new package, you must run v...
How to duplicate virtualenv
...e. A requirements file is basically a file that contains a list of all the python packages you want to install (or have already installed in case of file generated by pip), and what versions they're at.
To generate a requirements file, go into your original virtualenv, and run:
pip freeze > req...
Is there any difference between “foo is None” and “foo == None”?
... a special builtin method that determines how == is handled when used on a Python object. Here we have overridden it so that when == is used on objects of type Foo it always returns true. There isn't an equivalent method for the is operator and so the behaviour of is cannot be changed in the same wa...
Find which version of package is installed with pip
...w Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Jinja2
Jinja2==2.7.3
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What is the difference between `sorted(list)` vs `list.sort()`?
...
In general, when a python function returns None, it is a sign, that the operations are done in place, that's why, when you want to print list.sort() it returns None.
– user1767754
Nov 19 '17 at 9:34
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