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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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14 Answers
14
Active
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...a tuple:
def foo(*args):
for a in args:
print(a)
foo(1)
# 1
foo(1,2,3)
# 1
# 2
# 3
The **kwargs will give you all
keyword arguments except for those corresponding to a formal parameter as a dictionary.
def bar(**kwargs):
for a in kwargs:
print(a, kwargs[a])
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Comparing two dictionaries and checking how many (key, value) pairs are equal
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187
If you want to know how many values match in both the dictionaries, you should have said that ...
Finding differences between elements of a list
... how does one find differences between every ( i )-th elements and its ( i+1 )-th?
10 Answers
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Difference between map, applymap and apply methods in Pandas
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10 Answers
10
Active
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
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117
In my opinion, this is a mistake on the package author's part. An update which removes support...
How to convert a set to a list in python?
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197
It is already a list
type(my_set)
>>> <type 'list'>
Do you want something li...
How to get unique values in an array
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120
Since I went on about it in the comments for @Rocket's answer, I may as well provide an exampl...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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126
Short of closing and reopening your tty (i.e. logging off and back on, which may also terminat...
How to print a percentage value in python?
...entage floating point precision type:
>>> print "{0:.0%}".format(1./3)
33%
If you don't want integer division, you can import Python3's division from __future__:
>>> from __future__ import division
>>> 1 / 3
0.3333333333333333
# The above 33% example would could now b...