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Exif manipulation library for python [closed]
...o exiv2 are:
gexiv2 (a multi-language binding, but works with python 2.6/2.7/3.X): https://wiki.gnome.org/gexiv2
pyexiv2 (no longer supported, but works with python 2.6/2.7): http://tilloy.net/dev/pyexiv2/
One advantage of pyexiv2 is that there is a windows build available for python 2.7. A wind...
How to use pip with Python 3.x alongside Python 2.x
...gs for Python 3.2 with pip-3.2, and install things for Python 2-7 with pip-2.7. The pip command will end up pointing to one of these, but I'm not sure which, so you will have to check.
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impro...
Can't import my own modules in Python
...python keeps site-packages in /Library/Python shown below
/Library/Python/2.7/site-packages
I created a file called awesome.pth at /Library/Python/2.7/site-packages/awesome.pth and in the file put the following path that references my awesome modules
/opt/awesome/custom_python_modules
...
Convert string to Python class object?
...
You want the class Baz, which lives in module foo.bar. With Python 2.7,
you want to use importlib.import_module(), as this will make transitioning to Python 3 easier:
import importlib
def class_for_name(module_name, class_name):
# load the module, will raise ImportError if module cann...
Traverse a list in reverse order in Python
... This is slightly slower than using reversed, at least under Python 2.7 (tested).
– kgriffs
Jan 2 '14 at 16:49
14
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...api/contacts/id Delete a contact DELETE /api/contacts/id
准备工作
1. 下载并安装Mongo DB，步骤看这里。
2. Mongo DB C# driver下载可以在nuget搜索mongocsharpdriver。
3. 如果想本地察看数据库中内容，下载MongoVUE。
4. Knockoutjs下载可以在nuget搜索knockou...
How to assert two list contain the same elements in Python? [duplicate]
...]
In Python >= 3.0
assertCountEqual(l1, l2) # True
In Python >= 2.7, the above function was named:
assertItemsEqual(l1, l2) # True
In Python < 2.7
import unittest2
assertItemsEqual(l1, l2) # True
Via six module (Any Python version)
import unittest
import six
class MyTest(unittes...
Zip lists in Python
...
In Python 2.7 this might have worked fine:
>>> a = b = c = range(20)
>>> zip(a, b, c)
But in Python 3.4 it should be (otherwise, the result will be something like <zip object at 0x00000256124E7DC8>):
>>...
How to avoid “RuntimeError: dictionary changed size during iteration” error?
... {k: v for k,v in d.iteritems() if v} # re-bind to non-empty
If prior to 2.7:
d = dict( (k, v) for k,v in d.iteritems() if v )
or just:
empty_key_vals = list(k for k in k,v in d.iteritems() if v)
for k in empty_key_vals:
del[k]
...
Cosine Similarity between 2 Number Lists
... root.
ETA: Updated print call to be a function. (The original was Python 2.7, not 3.3. The current runs under Python 2.7 with a from __future__ import print_function statement.) The output is the same, either way.
CPYthon 2.7.3 on 3.0GHz Core 2 Duo:
>>> timeit.timeit("cosine_similarity...