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Requests — how to tell if you're getting a 404
...t; r.raise_for_status()
>>> # no exception raised.
You can also test the response object in a boolean context; if the status code is not an error code (4xx or 5xx), it is considered ‘true’:
if r:
# successful response
If you want to be more explicit, use if r.ok:.
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TortoiseHg Apply a Patch
...ame directory path it was generated from.
Downloading TortoiseHg 0.8.1 to test...
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What's the difference between EscapeUriString and EscapeDataString?
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... did some testing looks like I want EscapeDataString for a URI parameter. I tested with the string "I heart C++" and EscapeUriString did not encode the "+" characters, it just left them as is, EscapeDataString correctly converted them...
JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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If you test the expression [] == false it evaluates to true.
– m.rufca
Apr 24 '18 at 18:06
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Adding a user to a group in django
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Here's how to do this in modern versions of Django (tested in Django 1.7):
from django.contrib.auth.models import Group
group = Group.objects.get(name='groupname')
user.groups.add(group)
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Setting transparent images background in IrfanView
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Based on my tests, this actually seems to be the easiest and most effective solution to saved icons missing transparency. Just make sure you click "options" like @Annalisa says, and not "Advanced"
– Eric Hepperle - ...
New lines inside paragraph in README.md
...o empty lines are a new paragraph (same as here in stackoverflow)
You can test it with http://prose.io
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ImportError: No module named six
...python module incorrectly list their dependencies. Maybe the author do not test installing the module in a chroot to validate the dependencies are correct.
– Sylvain Defresne
May 30 '16 at 16:56
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Using sed, how do you print the first 'N' characters of a line?
... N+1 characters up to the end of line:
$ sed 's/.//5g' <<< "defn-test"
defn
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What are the differences between ipython and bpython?
...oad of a module after you have changed your code. This is very useful for testing and debugging.
Run functions in the background in a separate task with %bg.
A whole parallel programming environment (not really a feature you expect from an interactive Python shell, but IPython offers it).
This li...