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Compare integer in bash, unary operator expected
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edited Aug 9 '15 at 3:44
answered Mar 3 '09 at 4:41
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Why can't I do ?
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63
It would be a security vulnerability if the client could request local file system files and the...
Iterate a list as pair (current, next) in Python
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132
Here's a relevant example from the itertools module docs:
import itertools
def pairwise(iterab...
Why do we have map, fmap and liftM?
...onad without also being an instance of Functor.
-- Typeclassopedia, page 33
Edit: agustuss's history of map and fmap:
That's not actually how it happens. What happened was that the type of map was generalized to cover Functor in Haskell 1.3. I.e., in Haskell 1.3 fmap was called map. This chan...
Sublime Text 2 - Link with Editor / Show file in sidebar
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83
https://github.com/sobstel/SyncedSideBar
You can install this via the Package Control utility (...
How do I fetch lines before/after the grep result in bash?
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Jon LinJon Lin
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LEFT OUTER joins in Rails 3
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John Naegle
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answered Jul 14 '10 at 12:31
Neil MiddletonNeil ...
What's the difference between globals(), locals(), and vars()?
...t(l)
locals()
print(l)
x = 2
print(x, l['x'])
l['x'] = 3
print(x, l['x'])
inspect.currentframe().f_locals
print(x, l['x'])
f()
gives us:
{'x': 1}
{'x': 1, 'l': {...}}
2 1
2 3
2 2
The first print(l) only shows an 'x' entry, because the assignment to l happens aft...
Undo a Git commit after push using reverse patch?
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