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std::string formatting like sprintf
...he desired length of the char array using a special condition in snprintf. From cppreference.com:
Return value
[...] If the resulting string gets truncated due to buf_size limit,
function returns the total number of characters (not including the
terminating null-byte) which would have b...
Python: fastest way to create a list of n lists
...ly way which is marginally faster than
d = [[] for x in xrange(n)]
is
from itertools import repeat
d = [[] for i in repeat(None, n)]
It does not have to create a new int object in every iteration and is about 15 % faster on my machine.
Edit: Using NumPy, you can avoid the Python loop using
...
How to use the new affix plugin in twitter's bootstrap 2.1.0?
...ce. In your case, once 50px is scrolled, the class on your item is changed from .affix-top to .affix. You'd probably want to set data-offset-top to about 130px in your use case.
Once this class change occurs, you must position your element in css by styling the positioning for class .affix. Bootstr...
Why does Double.NaN==Double.NaN return false?
...ith an IEEE-conforming float will produce false. So that standard differs from Java in that IEEE demands that (NAN != NAN) == false.
– Drew Dormann
Jan 17 '12 at 19:57
2
...
Returning value from called function in a shell script
I want to return the value from a function called in a shell script. Perhaps I am missing the syntax. I tried using the global variables. But that is also not working. The code is:
...
How to pass a class type as a function parameter
...types and even have an inheritance hierarchy (that is, if class B inherits from A, then B.Type also inherits from A.Type):
class A {}
class B: A {}
class C {}
// B inherits from A
let object: A = B()
// B.Type also inherits from A.Type
let type: A.Type = B.self
// Error: 'C' is not a subtype of ...
Iterate through pairs of items in a Python list [duplicate]
...
From itertools receipes:
from itertools import tee
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = tee(iterable)
next(b, None)
return zip(a, b)
for v, w in pairwise(a):
...
...
F# changes to OCaml [closed]
F# is derived from OCaml, but what major items are missing or added? Specifically I'm curious as to whether the resources available for learning OCaml are also useful to someone who wants to learn F#.
...
Prevent strace from abbreviating arguments?
...guments to execve (I see "..." after about 30 characters), preventing me from getting any useful information. How can I get the full text of each argument?
...
How do I migrate a model out of one django app and into a new one?
...igration specific create_cat --auto --freeze common to access to cat model from common app.
– geoom
Apr 21 '15 at 22:15
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