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Remove all the elements that occur in one list from another
...tor isn't that efficient on a list. in on a list is O(n), whereas in on a set is O(1). However, until you get to thousands of elements or more, you're unlikely to notice the difference.
– Daniel Pryden
Nov 18 '10 at 3:10
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Fastest way to check if a string matches a regexp in ruby?
What is the fastest way to check if a string matches a regular expression in Ruby?
7 Answers
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Split a List into smaller lists of N size
I am attempting to split a list into a series of smaller lists.
17 Answers
17
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Checking length of dictionary object [duplicate]
...get the "length" by a for..in statement on the object, since length is not set, and increment a counter.
I'm confused as to why you need the length. Are you manually setting 0 on the object, or are you relying on custom string keys? eg obj['foo'] = 'bar';. If the latter, again, why the need for len...
Codeigniter - no input file specified
... it works.
Hint: Seems like before the Rewrite Rules haven't been clearly setup within the Server context.
My file structure is as follows:
/
|- gheapp
| |- application
| L- system
|
|- public_html
| |- .htaccess
| L- index.php
And in the index.php I have set up the following paths to ...
Is there a way to get the git root directory in one command?
...exec-path[=<path>]: "If no path is given, git will print the current setting"; at least, IMO, it'd be a logical place to look for such a feature.
– imz -- Ivan Zakharyaschev
Dec 4 '12 at 12:52
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Remove new lines from string and replace with one empty space
Want to remove all new lines from string.
19 Answers
19
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How to strip all whitespace from string
How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() :
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What is __future__ in Python used for and how/when to use it, and how it works
__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
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Sequence contains more than one element
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