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What is the argument for printf that formats a long?
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On most platforms, long and int are the same size (32 bits). Still, it does have its own format specifier:
long n;
unsigned long un;
printf("%ld", n); // signed
printf("%lu", un); // unsigned
For 64 bits, you'd want a long long:
long long n;
unsigned long long un;
printf(...
pytest: assert almost equal
...01):
return abs(x-y) < threshold
assert all(map(almost_equal, zip((1.32, 2.4), i_return_tuple_of_two_floats())
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How to update Python?
...nswers are for the same bit-versions, and by bit-version I mean 64-bit vs. 32-bit. For example, these answers would apply to updating from 64-bit Python-2.7.10 to 64-bit Python-2.7.11, ie: the same bit-version. While it is possible to install two different bit versions of Python together, it would r...
Multiple levels of 'collection.defaultdict' in Python
...thon daily.
– mVChr
Nov 3 '14 at 22:32
3
Looking for more details about using this method with mu...
Notification passes old Intent Extras
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IncrediAppIncrediApp
9,89322 gold badges2929 silver badges2424 bronze badges
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hash function for string
...ns One At A Time Hash. It also quotes improved versions of this hash.
uint32_t jenkins_one_at_a_time_hash(char *key, size_t len)
{
uint32_t hash, i;
for(hash = i = 0; i < len; ++i)
{
hash += key[i];
hash += (hash << 10);
hash ^= (hash >> 6);
}
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How to Compare Flags in C#?
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322
In .NET 4 there is a new method Enum.HasFlag. This allows you to write:
if ( testItem.HasFlag...
Emacs in Windows
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I use EmacsW32, it works great. EDIT: I now use regular GNU Emacs 24, see below.
See its EmacsWiki page for details.
To me, the biggest advantage is that:
it has a version of emacsclient that starts the Emacs server if no server is r...
Best way to test if a generic type is a string? (C#)
...at is true.
– Rex M
May 29 '10 at 0:32
1
@Matt Hamilton: +1, but you should update your answer to...
Find intersection of two nested lists?
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If you want:
c1 = [1, 6, 7, 10, 13, 28, 32, 41, 58, 63]
c2 = [[13, 17, 18, 21, 32], [7, 11, 13, 14, 28], [1, 5, 6, 8, 15, 16]]
c3 = [[13, 32], [7, 13, 28], [1,6]]
Then here is your solution for Python 2:
c3 = [filter(lambda x: x in c1, sublist) for sublist in c2...