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How to unzip a list of tuples into individual lists? [duplicate]
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Use zip(*list):
>>> l = [(1,2), (3,4), (8,9)]
>>> list(zip(*l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as ...
Is there a recommended format for multi-line imports?
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163
Personally I go with parentheses when importing more than one component and sort them alphabet...
What does @@variable mean in Ruby?
... is in the comments at the end of the puts lines:
class Test
@@shared = 1
def value
@@shared
end
def value=(value)
@@shared = value
end
end
class AnotherTest < Test; end
t = Test.new
puts "t.value is #{t.value}" # 1
t.value = 2
puts "t.value is #{t.value}" # 2
x = Test.new...
How to get the first element of an array?
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31 Answers
31
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Changing Locale within the app itself
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153
Through the original question is not exactly about the locale itself all other locale related ...
Does making a struct volatile make all its members volatile?
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121
Another question can be asked (or simply another way to look at the original question):
Does ...
git command to show all (lightweight) tags creation dates
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edited Apr 20 '16 at 20:46
ndmeiri
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Drawing a connecting line between two elements [closed]
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12 Answers
12
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Skip callbacks on Factory Girl and Rspec
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16 Answers
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JavaScript by reference vs. by value [duplicate]
...first); // 4, ["eeny", "miny", "mo", "foo"], false
Example 2:
var a = ["1", "2", {foo:"bar"}];
var b = a[1]; // b is now "2";
var c = a[2]; // c now references {foo:"bar"}
a[1] = "4"; // a is now ["1", "4", {foo:"bar"}]; b still has the value
// it had at the time of assignment
a[...