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How to find index of list item in Swift?
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22 Answers
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How to insert an item at the beginning of an array in PHP?
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284
Use array_unshift($array, $item);
$arr = array('item2', 'item3', 'item4');
array_unshift($arr...
Python: Ignore 'Incorrect padding' error when base64 decoding
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edited Nov 20 '18 at 8:31
Martijn Pieters♦
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python numpy machine epsilon
...for a given float type is to use np.finfo():
print(np.finfo(float).eps)
# 2.22044604925e-16
print(np.finfo(np.float32).eps)
# 1.19209e-07
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Variable name as a string in Javascript
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edited Oct 2 '17 at 8:53
Al.G.
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an...
How to percent-encode URL parameters in Python?
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Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended for quo...
Key existence check in HashMap
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523
Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value !...
How to execute a Ruby script in Terminal?
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251
Just call: ruby your_program.rb
or
start your program with #!/usr/bin/env ruby,
make your f...
What is JavaScript's highest integer value that a number can go to without losing precision?
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21 Answers
21
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