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When is del useful in python?
...ariable makes the intent clearer. Compare:
del foo
to
foo = None
I know in the case of del foo that the intent is to remove the variable from scope. It's not clear that foo = None is doing that. If somebody just assigned foo = None I might think it was dead code. But I instantly know what som...
How To Create a Flexible Plug-In Architecture?
.... Not just plugin developers. py.test does this well. Eclipse as far as I know, does not.
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GOTO still considered harmful? [closed]
... to invoke one or the other. The concept was simply "choose what to invoke now" rather than "go here or go there". Again, just a change of metaphor.
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Best way to create a simple python web service [closed]
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Ah yes, web.py seems great. As of now, the Web site <webpy.org> says: 500 - Internal Server Error Otherwise, our code does not work for me: ... app = web.application(urls, globals()) AttributeError: 'module' object has no attribute 'application'
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When to encode space to plus (+) or %20?
...application/x-www-form-urlencoded'. This is used for posting form data.
Now, the HTML 2.0 Specification (RFC1866) explicitly said, in section 8.2.2, that the Query part of a GET request's URL string should be encoded as 'application/x-www-form-urlencoded'. This, in theory, suggests that it's le...
How do I increase the scrollback buffer in a running screen session?
...defscrollback and not scrollback (def stand for default)
What you need to know is if the file is not created ! You create it !
> cd ~ && vim .screenrc
And you add defscrollback 1000000 to it!
Or in one command
> echo "defscrollback 1000000" >> .screenrc
(if not created already)...
Can I store images in MySQL [duplicate]
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haha, Don't just scare people. I don't know how it was in 2011 but now DBs are so improved and store blob columns separated from the normal data, you'll never notice a change of speed. there is even streamline too
– azerafati
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...his happened on only one of my projects and on other two projects did not. Now i hope that Android Studio update didn't mess up something else...
– Martin Berger
Mar 1 '19 at 14:18
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Workflow for statistical analysis and report writing
...cters are hazardous).
It's very possible that there are better approaches now, but if you do decide to go this route, let me know - I've been meaning to put up some of my Sweave hacks, and that would be a good kick in the pants to do so.
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How to combine two or more querysets in a Django view?
...ss memory than converting each queryset into a list before concatenating.
Now it's possible to sort the resulting list e.g. by date (as requested in hasen j's comment to another answer). The sorted() function conveniently accepts a generator and returns a list:
result_list = sorted(
chain(page...