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Sass .scss: Nesting and multiple classes?
I'm using Sass (.scss) for my current project.
3 Answers
3
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How to install latest version of git on CentOS 7.x/6.x
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You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Install WANDisco repo package:
yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm
- or -
yum install http://opensource.wand...
Assigning a variable NaN in python without numpy
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Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>> print(nan + 2)
nan
>>> nan == nan
False
>>> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case insensitive).
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python: Change the scripts working directory to the script's own directory
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This will change your current working directory to so that opening relative paths will work:
import os
os.chdir("/home/udi/foo")
However, you asked how to change into whatever directory your Python script is located, even if you don't know what director...
How assignment works with Python list slice?
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@Dubslow: you can do that by using the itertools module. For your case use the function islice, with start=1, stop=None. This will avoid any copies and use lazy evaluation (in your case lazy access ot the original list).
– Spiros
Jun 25 '15 at ...
What's the valid way to include an image with no src?
...age that I will dynamically populate with a src later with javascript but for ease I want the image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this?
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In C#, can a class inherit from another class and an interface?
...an inherit from a class and an interface.
The example code below doesn't work but I think it conveys what I want to do.
The reason that I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interface that I can use to write ...
Swift equivalent for MIN and MAX macros
...imum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
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How to remove a key from a Python dictionary?
...a key regardless of whether it is in the dictionary, use the two-argument form of dict.pop():
my_dict.pop('key', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a Key...
How to get a file or blob from an object URL?
... = await fetch(url).then(r => r.blob());
The url can be an object url or a normal url.
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