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Calling a base class's classmethod in Python
... (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's version of the method (i.e. print cls, a), from the derived class, with cls being set to the derived class.
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ADB No Devices Found
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I had the same issue on Windows 8 and 8.1 with a Nexus 7 (2012 version). USB computer connection - Camera (PTP) fixes this.
– errollw
Sep 2 '13 at 12:44
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What is the Python equivalent of static variables inside a function?
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A bit reversed, but this should work:
def foo():
foo.counter += 1
print "Counter is %d" % foo.counter
foo.counter = 0
If you want the counter initialization code at the top instead of the bottom, you can create a deco...
Understanding scala enumerations
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the Enumeration trait has a type member Value representing the individual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here).
Thus object WeekDay inherits that type member. The line type WeekDay ...
Algorithm to detect corners of paper sheet in photo
...er this year. This was my first ever coding project, and kinda ended in a bit of a rush, so the code needs some errr...decoding...
I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow.
First tip, OpenCV and python are awesome, move to them as soo...
Foreign keys in mongo?
...nts are grouped inside Collections. You can have any kind of document – with any kind of data – in a single collection. Basically, in a NoSQL database it is up to you to decide how to organise the data and its relations, if there are any.
What Mongoid and MongoMapper do is to provide you with c...
undefined reference to `WinMain@16'
..."Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file that I use for that. It only supplies options to make g++ more standard:
C:\test> gnuc x.cpp
C:\test> objdump -x a.exe | findstr /...
Python: Why is functools.partial necessary?
Partial application is cool. What functionality does functools.partial offer that you can't get through lambdas?
6 Answer...
Calendar Recurring/Repeating Events - Best Storage Method
...at_start 1299132000
2 1 repeat_interval_1 432000
With repeat_start being a date with no time as a unix timestamp, and repeat_interval an amount in seconds between intervals (432000 is 5 days).
repeat_interval_1 goes with repeat_start of the ID 1. So if I have an event that...
How to dynamically compose an OR query filter in Django?
... Take one Q object from the list
query = queries.pop()
# Or the Q object with the ones remaining in the list
for item in queries:
query |= item
# Query the model
Article.objects.filter(query)
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