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Iterating over every two elements in a list
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You need a pairwise() (or grouped()) implementation.
For Python 2:
from itertools import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
O...
Rename package in Android Studio
... This procedure worked for me. I had to also change the AndroidManifest.xml to reflect the new name. For example -> package="my.awesome.game" >
– nevzo
Jul 31 '15 at 23:26
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How to fix “Attempted relative import in non-package” even with __init__.py
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Yes. You're not using it as a package.
python -m pkg.tests.core_test
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Application not picking up .css file (flask/python)
...too.
I have even tried to move away from conda and use pip, to upgrade to python 3.7, i have tried all coding proposed and none of them fixed.
And here is why (the problem):
by default python/flask search the static and the template in a folder structure like:
/Users/username/folder_one/folder...
How to get instance variables in Python?
Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code:
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Django 1.7 - makemigrations not detecting changes
... need to do one pre-step (as I found out) listed in the documentation:
python manage.py makemigrations your_app_label
The documentation does not make it obvious that you need to add the app label to the command, as the first thing it tells you to do is python manage.py makemigrations which wil...
Difference between os.getenv and os.environ.get
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One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
shar...
十张图读懂 PHP、Python、 Ruby 三大语言的差异 - 更多技术 - 清泛网 - 专...
十张图读懂 PHP、Python、 Ruby 三大语言的差异php-vs-python-vs-ruby-comparison图1、PHP vs Python vs Ruby: 市场份额Winner - PHP图2、PHP vs Python vs Ruby: 主流网站使用情况Winner - 平局图3、PHP v 图1、PHP vs Python vs Ruby: 市场份额
Winner - PHP
图2、P...
String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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Using a dictionary to count the items in a list [duplicate]
I'm new to Python and I have a simple question, say I have a list of items:
8 Answers
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