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Get exit code of a background process
...# simulate a long process that will have an identifiable exit code
(sleep 15 ; /bin/false) &
my_pid=$!
while ps | grep " $my_pid " # might also need | grep -v grep here
do
echo $my_pid is still in the ps output. Must still be running.
sleep 3
done
echo Oh, it looks like the pro...
Get MD5 hash of big files in Python
I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function.
...
Best way to strip punctuation from a string
...s f').timeit(1000000)
This gives the following results:
sets : 19.8566138744
regex : 6.86155414581
translate : 2.12455511093
replace : 28.4436721802
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...
get all keys set in memcached
...ts cachedump 3 100
ITEM views.decorators.cache.cache_header..cc7d9 [6 b; 1256056128 s]
END
stats cachedump 22 100
ITEM views.decorators.cache.cache_page..8427e [7736 b; 1256056128 s]
END
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How do I apply a CSS class to Html.ActionLink in ASP.NET MVC?
...
Eduardo MolteniEduardo Molteni
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Hide the cursor of an UITextField
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DiscDev
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answered Dec 1 '12 at 14:44
Joseph ChiuJ...
What is the relative performance difference of if/else versus switch statement in Java?
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BalusCBalusC
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what are the .map files used for in Bootstrap 3.x?
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458
From Working with CSS preprocessors in Chrome DevTools:
Many developers generate CSS style she...
Hidden Features of PHP? [closed]
... tape of the universe!
– Dinah
Mar 25 '09 at 16:04
4
I also agree. When playing with Java for a U...
How to create the most compact mapping n → isprime(n) up to a limit N?
...= 0:
return False
if n % 3 == 0:
return False
i = 5
w = 2
while i * i <= n:
if n % i == 0:
return False
i += w
w = 6 - w
return True
It's a variant of the classic O(sqrt(N)) algorithm. It uses the fact that a prime (exc...