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How can I update NodeJS and NPM to the next versions?
...inal answer is from the old FAQ that no longer exists, but should work for Linux and Mac:
How do I update npm?
npm install -g npm
Please note that this command will remove your current version of npm. Make sure to use sudo npm install -g npm if on a Mac.
You can also update all outda...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...orts creating other types of package, e.g. RPM.
See also http://community.linuxmint.com/tutorial/view/162 and some basic checkinstall usage and debian checkinstall package.
*: If you're reading this after having installed with make install you can still follow the above instructions and do a dpk...
In Python, how do I determine if an object is iterable?
... best approach:
from collections.abc import Iterable # drop `.abc` with Python 2.7 or lower
def iterable(obj):
return isinstance(obj, Iterable)
The above has been recommended already earlier, but the general consensus has been that using iter() would be better:
def iterable(obj):
try:...
Sending mail from Python using SMTP
I'm using the following method to send mail from Python using SMTP. Is it the right method to use or are there gotchas I'm missing ?
...
How does Python's super() work with multiple inheritance?
I'm pretty much new in Python object oriented programming and I have trouble
understanding the super() function (new style classes) especially when it comes to multiple inheritance.
...
Does Python have an ordered set?
Python has an ordered dictionary . What about an ordered set?
14 Answers
14
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What is the difference between an expression and a statement in Python?
In Python, what is the difference between expressions and statements?
14 Answers
14
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Python extending with - using super() Python 3 vs Python 2
...
super() (without arguments) was introduced in Python 3 (along with __class__):
super() -> same as super(__class__, self)
so that would be the Python 2 equivalent for new-style classes:
super(CurrentClass, self)
for old-style classes you can always use:
class Cl...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
理解Python的 with 语句With语句是什么？Python’s with statement provides a very convenient way of dealing with the situation where you
With语句是什么？
Python’s with statement provides a very convenient way of dealing with the situation where you have to do a setup an...
Should I use 'has_key()' or 'in' on Python dicts?
...
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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