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How to write very long string that conforms with PEP8 and prevent E501
As PEP8 suggests keeping below the 80 column rule for your python program, how can I abide to that with long strings, i.e.
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Do I use , , or for SVG files?
...get raster fallback for free*:
<object data="your.svg" type="image/svg+xml">
<img src="yourfallback.jpg" />
</object>
*) Well, not quite for free, because some browsers download both resources, see Larry's suggestion below for how to get around that.
2014 update:
If you wan...
How do I catch a numpy warning like it's an exception (not just for testing)?
I have to make a Lagrange polynomial in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes i...
Why is “except: pass” a bad programming practice?
... the exception bubble up.
Another simple example is also mentioned in the Python 2 idioms document. Here, a simple typo exists in the code which causes it to break. Because we are catching every exception, we also catch NameErrors and SyntaxErrors. Both are mistakes that happen to us all while prog...
How to migrate back from initial migration in Django 1.7?
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You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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Understand homebrew and keg-only dependencies
...nssl version, it always shows the one from os (LibreSSL) but when I run my python in interactive mode, it is actually using openssl. Can you help me understand how python picked up the correct openssl? @echristopherson
– Alex
Apr 29 at 22:58
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NAnt or MSBuild, which one to choose and when?
... Studio. With NAnt I just have Visual Studio treat the .build script as an XML file.
Apparently, in Visual Studio, Web Application Projects don't get a *.*proj file by default, so I had great difficulty figuring out how to even get MSBuild to run on mine to create a deployment script.
NAnt is not bu...
How to remove jar file from local maven repository which was added with install:install-file?
...and it causes issues because on our project we have to modify the settings.xml file.
– Tiris
Jan 29 '15 at 17:42
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How to change webservice url endpoint?
...OPERTY property value of the BindingProvider (every proxy implements javax.xml.ws.BindingProvider interface):
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EchoService service = new EchoService();
Echo port = service.getEchoPort();
/* Set NEW Endpoint Location */
String endpointURL = "http://NEW_ENDPOINT_URL";
BindingProvider bp = (Bindin...
Change IPython/Jupyter notebook working directory
When I open a Jupyter notebook (formerly IPython) it defaults to C:\Users\USERNAME .
31 Answers
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