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Pretty graphs and charts in Python [closed]
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I'm the one supporting CairoPlot and I'm very proud it came up here.
Surely matplotlib is great, but I believe CairoPlot is better looking.
So, for presentations and websites, it's a very good choice.
Today I released version 1.1. I...
Display help message with python argparse when script is called without any arguments
This might be a simple one. Assume I have a program that uses argparse to process command line arguments/options. The following will print the 'help' message:
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Easiest way to read from and write to files
.... XmlDocument.Save(filename). But of course the difference is that usually one Xml object corresponds with one file, while several strings form one file.
– Roland
Sep 15 '14 at 13:23
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Correct way to define C++ namespace methods in .cpp file
Probably a duplicate, but not an easy one to search for...
8 Answers
8
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How do I undo the most recent local commits in Git?
...When you do a git reset HEAD~1, you tell Git to move the HEAD pointer back one commit. But (unless you use --hard) you leave your files as they were. So now git status shows the changes you had checked into C. You haven't lost a thing!
For the lightest touch, you can even undo your commit but le...
What is the syntax for an inner join in LINQ to SQL?
... or select on fields from both joined tables, instead of just on fields of one of the two tables (the DealerContact table in this answer's example), here's an example: stackoverflow.com/a/29310640/12484
– Jon Schneider
Mar 27 '15 at 21:41
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
.../.bashrc but only ~/.profile or ~/.bash_profile, so you should source that one manually from the latter. You'll see me do that in my ~/.profile too: source ~/.bashrc.
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How do I use the conditional operator (? :) in Ruby?
...t jumped past all the syntactical aspects and went right to what the questioner was trying to accomplish.
– Mike Buckbee
May 5 '14 at 5:21
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Django. Override save for model
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Check the model's pk field. If it is None, then it is a new object.
class Model(model.Model):
image=models.ImageField(upload_to='folder')
thumb=models.ImageField(upload_to='folder')
description=models.CharField()
def save(self, *args, **kwargs)...
Can a decorator of an instance method access the class?
... # do some stuff
pass
The method decorator marks the method as one that is of interest by adding a "use_class" attribute - functions and methods are also objects, so you can attach additional metadata to them.
After the class has been created the class decorator then goes through all th...