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Get index of array element faster than O(n)
...['a', 'b', 'c']
hash = Hash[array.map.with_index.to_a] # => {"a"=>0, "b"=>1, "c"=>2}
hash['b'] # => 1
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How to iterate over a JavaScript object?
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906
For most objects, use for .. in :
for (let key in yourobject) {
console.log(key, yourobject[...
Artificially create a connection timeout error
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answered Sep 19 '08 at 10:02
AlexanderAlexander
8,29422 gold badges2121 silver badges2121 bronze badges
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pip install from git repo branch
... git+https://github.com/tangentlabs/django-oscar-paypal.git@issue/34/oscar-0.6
And specify the branch name without the leading /.
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Origin null is not allowed by Access-Control-Allow-Origin
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edited Apr 26 '15 at 17:00
answered Dec 10 '11 at 12:45
T...
Padding characters in printf
...ength of the second string if you want ragged-right lines.
pad=$(printf '%0.1s' "-"{1..60})
padlength=40
string2='bbbbbbb'
for string1 in a aa aaaa aaaaaaaa
do
printf '%s' "$string1"
printf '%*.*s' 0 $((padlength - ${#string1} - ${#string2} )) "$pad"
printf '%s\n' "$string2"
str...
Pip install Matplotlib error with virtualenv
...the trick!
– grisaitis
Feb 4 '13 at 0:59
2
It may work, but note that it wants to install quite a...
Finding the Eclipse Version Number
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104
(Update September 2012):
MRT points out in the comments that "Eclipse Version" question refere...
How to check Django version
...nsole and type
>>> import django
>>> django.VERSION
(2, 0, 0, 'final', 0)
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sh: 0: getcwd() failed: No such file or directory on cited drive
... with the same name.
– Jackson
Nov 20 '15 at 18:45
exactly true! nice!
– farhad goodarzi
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