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What is the difference between `-fpic` and `-fPIC` gcc parameters?
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edited Apr 9 '14 at 18:56
Denilson Sá Maia
38.5k2828 gold badges9898 silver badges107107 bronze badges
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Shell script to delete directories older than n days
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401
This will do it recursively for you:
find /path/to/base/dir/* -type d -ctime +10 -exec rm -rf...
Does const mean thread-safe in C++11?
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This is what the Standard Language has to say on thread-safety:
[1.10/4]
Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
[1.10/21]
The execution of a program contains a data race if it contains ...
Iterating over every two elements in a list
...ls import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def grouped(iterable, n):
"s -> (s0,s1,s2,....
MySQL Update Inner Join tables query
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438
Try this:
UPDATE business AS b
INNER JOIN business_geocode AS g ON b.business_id = g.business...
How do I make a transparent canvas in html5?
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edited Apr 16 '14 at 1:20
Lee Taylor
5,93777 gold badges2626 silver badges4343 bronze badges
a...
Rounding BigDecimal to *always* have two decimal places
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408
value = value.setScale(2, RoundingMode.CEILING)
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Correct way to use get_or_create?
...irst_name='John',
last_name='Lennon',
defaults={'birthday': date(1940, 10, 9)},
)
# get_or_create() didn't have to create an object.
>>> created
False
Explanation:
Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be include...
SQLAlchemy: Creating vs. Reusing a Session
... NorthCat
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answered Aug 31 '12 at 23:45
zzzeekzzzeek
58k1818 gold badg...