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How to pass command line arguments to a rake task
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Unfortuanely, zsh can not parse the call correctly, you need type the command on zsh like this: rake thing:work\[1,2,3\], or this rake 'thing:work[1,2,3]'
– hutusi
Jul 27 '17 at 6:51
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Is there a difference between x++ and ++x in java?
...on to prefer Emil H's answer is that his example code is /slightly/ more informative.
– Jonik
Jul 7 '09 at 21:20
Jonik...
How to check whether a file or directory exists?
... @OlivierAmblet There is no exception happening here. Go uses panic for an actual "exception" like object. You can "catch" with a call to recover. Explicitly returning an err as a second return value is an extremely common, idiomatic Go technique. See: golang.org/doc/effective_go.html#erro...
Django REST framework: non-model serializer
..., but I believe you can trim some of the steps to get everything working.
For example, rest framework comes with a few built-in renderers. Out of the box it can return JSON and XML to the API consumer. You can also enable YAML by just installing the required python module. Django-rest-framework wil...
How to initialize std::vector from C-style array?
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Don't forget that you can treat pointers as iterators:
w_.assign(w, w + len);
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Django “xxxxxx Object” display customization in admin action sidebar
... I foolishly didn't notice that I'd declared unicode methods for every model EXCEPT this one. :doh: Sorry all.
– patrickn
Feb 17 '12 at 23:04
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How do you find out the type of an object (in Swift)?
...d out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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Why does Python code use len() function instead of a length method?
...ts which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable.
See Emulating container types for more info...
Select distinct values from a table field
...get it to work on all my models. Weidly, it worked on some but not others. For those that have a Meta ordering it doesn't work. So, you have to clear the ordering on the queryset first. models.Shop.objects.order_by().values('city').distinct()
– alj
Mar 18 '10 ...
Is there any Rails function to check if a partial exists?
...es not exists, I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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