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Useful code which uses reduce()? [closed]
Does anyone here have any useful code which uses reduce() function in python? Is there any code other than the usual + and * that we see in the examples?
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How exactly does __attribute__((constructor)) work?
...y -- how would that work?) Instead, on platforms using ELF binary format (Linux, etc.), the constructors and destructors are referenced in the .ctors and .dtors sections of the header. True, in the old days, functions named init and fini would be run on dynamic library load and unload if they exis...
How to compute the similarity between two text documents?
... looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
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Nearest neighbors in high-dimensional data?
...Besides that one, no, I don't know of others. I ended up writing my own in Python for my specific purposes. Essentially, each hash table is implemented as a Python dictionary, d, where d[k] is one bin with key k. d[k] contains the labels of all points whose hash is k. Then, you just need to compute ...
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
...ly, Django has a new way to load installed app. If you load Django from a Python script (like I was in my custom unit tests), some initialization needs to be done before proceeding and calling setup() is how to do it. Aside from that, kudos to the team, my 1.6.2 to 1.7.1 upgrade seems to an hour's...
String variable interpolation Java [duplicate]
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@jackr Python's strings are immutable too. However "string interpolation" can be seen more as a way of constructing one string, than a way of editing an existing one. It was not introduced in java most likely because of other priori...
Copy and paste content from one file to another file in vi
... Use + as cross-platform system clipboard register (Windows and Linux) vs. *, which is Windows only (+ works just the same in Windows as *).
– Stephen Swensen
Oct 4 '13 at 17:11
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Can a decorator of an instance method access the class?
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If you are using Python 2.6 or later you could use a class decorator, perhaps something like this (warning: untested code).
def class_decorator(cls):
for name, method in cls.__dict__.iteritems():
if hasattr(method, "use_class"):
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How to drop a PostgreSQL database if there are active connections to it?
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In Linux command Prompt, I would first stop all postgresql processes that are running by tying this command
sudo /etc/init.d/postgresql restart
type the command
bg to check if other postgresql processes are still runnin...
Android ADB device offline, can't issue commands
...oid.exe /s" from the root of my C: drive -- found nothing -- are you using Linux, or do you have some special bits that us Windows users don't have?
– BrainSlugs83
Nov 4 '13 at 0:03
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