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How do I remove/delete a virtualenv?
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@Sébastien No, you should not need sudo or similar privileges unless you also used them to set up the environment in the first place, which would usually be an error.
– tripleee
Apr 13 '1...
Method Resolution Order (MRO) in new-style classes?
In the book Python in a Nutshell (2nd Edition) there is an example which uses
old style classes to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
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Matplotlib: “Unknown projection '3d'” error
...current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're running version 0.99, in which case you'll need to either use a slightly different syntax or update to a more recent version of matplotlib.
I...
python: How do I know what type of exception occurred?
I have a function called by the main program:
15 Answers
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What is the difference between application server and web server?
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Web server
Run python -m 'SimpleHTTPServer' and go to http://localhost:8080. What you see is a web server at its workings. The server simply serves files over HTTP stored on your computer. The key point is that all this is done on top of th...
How do I output an ISO 8601 formatted string in JavaScript?
...is is JSON compilant, and lends itself well to get stored into a database. Python and C# seem to like it.
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PHP YAML Parsers [closed]
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The symfony framework makes very heavy use of YAML, this blog post by Grégoire Hubert demonstrates using their YAML library in a non-symfony project.
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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Yes, using custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the ta...
Parse config files, environment, and command-line arguments, to get a single collection of options
Python's standard library has modules for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also:
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“message failed to fetch from registry” while trying to install any module
...xtra steps. Example install:
sudo apt-get update
sudo apt-get install -y python-software-properties python g++ make
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
After that, npm was already included and worked perfectly.
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