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Django ManyToMany filter()
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Just restating what Tomasz said.
There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but using in
users_in_1zone = User.object...
How to log a method's execution time exactly in milliseconds?
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I just compared NSDate and mach_absolute_time() at around 30ms level. 27 vs. 29, 36 vs. 39, 43 vs. 45. NSDate was easier to use for me and the results were similar enough not to bother with mach_absolute_time().
– nevan king
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How to generate keyboard events in Python?
...om ctypes import wintypes
import time
user32 = ctypes.WinDLL('user32', use_last_error=True)
INPUT_MOUSE = 0
INPUT_KEYBOARD = 1
INPUT_HARDWARE = 2
KEYEVENTF_EXTENDEDKEY = 0x0001
KEYEVENTF_KEYUP = 0x0002
KEYEVENTF_UNICODE = 0x0004
KEYEVENTF_SCANCODE = 0x0008
MAPVK_VK_TO_VSC = 0
# ...
Add a prefix to all Flask routes
... that you are going to run this application inside of a WSGI container (mod_wsgi, uwsgi, gunicorn, etc); you need to actually mount, at that prefix the application as a sub-part of that WSGI container (anything that speaks WSGI will do) and to set your APPLICATION_ROOT config value to your prefix:
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Is there a range class in C++11 for use with range based for loops?
...C++ standard library does not have one, but Boost.Range has boost::counting_range, which certainly qualifies. You could also use boost::irange, which is a bit more focused in scope.
C++20's range library will allow you to do this via view::iota(start, end).
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How to print a query string with parameter values when using Hibernate
...ogger.org.hibernate.type=trace
The first is equivalent to hibernate.show_sql=true legacy property, the second prints the bound parameters among other things.
Another solution (non hibernate based) would be to use a JDBC proxy driver like P6Spy.
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How to pick just one item from a generator?
...ption if necessary, or use the default argument to next():
next(g, default_value)
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Why doesn't list have safe “get” method like dictionary?
...f your list).
Of course, you can easily implement this yourself:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
return default
You could even monkeypatch it onto the __builtins__.list constructor in __main__, but that would be a less pervasive change since...
Is gcc 4.8 or earlier buggy about regular expressions?
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Seriously though, who though that shipping an implementation of regex_search that only does "return false" was a good idea?
It wasn't such a bad idea a few years ago, when C++0x was still a work in progress and we shipped lots of partial implementations. No-one thought it would remain unusab...
How to get current route in Symfony 2?
...t = $this->container->get('request');
$routeName = $request->get('_route');
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