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Pythonic way to find maximum value and its index in a list?
...import random; import operator;"
"l = [random.random() for _ in xrange(100)]")
print "Explicit: %.2f usec/pass" % (1000000 * t.timeit(number=100000)/100000)
t = Timer("implicit(l)", "from __main__ import explicit, implicit; "
"import random; import operator;"
"...
How to call a JavaScript function from PHP?
...i want it. can you please suggest somthing
– Zeeshan Rang
Jun 25 '09 at 20:09
10
This guy just ma...
How do I delete multiple rows in Entity Framework (without foreach)
...
EntityFramework 6 has made this a bit easier with .RemoveRange().
Example:
db.People.RemoveRange(db.People.Where(x => x.State == "CA"));
db.SaveChanges();
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What are the differences between a clustered and a non-clustered index?
...ad because you avoid an index read AND THEN the table read. It's faster to range scan (if that's meaningful) because the data is stored in order. i.e. the clustering factor is perfect.
– Stephanie Page
Apr 27 '12 at 2:52
...
Get a filtered list of files in a directory
.../*/*.txt")
A single character
glob.glob("/home/ach/file?.txt")
Number Ranges
glob.glob("/home/ach/*[0-9]*")
Alphabet Ranges
glob.glob("/home/ach/[a-c]*")
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...
Evenly distributing n points on a sphere
...ing Python):
> cat ll.py
from math import asin
nx = 4; ny = 5
for x in range(nx):
lon = 360 * ((x+0.5) / nx)
for y in range(ny):
midpt = (y+0.5) / ny
lat = 180 * a...
Python dictionary: Get list of values for list of keys
...d
l = nprnd.randint(1000, size=10000)
m = dict([(_, nprnd.rand()) for _ in range(1000)])
from operator import itemgetter
import operator
f = operator.itemgetter(*l)
%timeit f(m)
%timeit list(itemgetter(*l)(m))
%timeit [m[_] for _ in l] # list comprehension
%timeit map(m.__getitem__, l)
%timeit list...
Check if a given key already exists in a dictionary
...you wanted a default, you can always use dict.get():
d = dict()
for i in range(100):
key = i % 10
d[key] = d.get(key, 0) + 1
and if you wanted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:...
What are the differences between virtual memory and physical memory?
...space than would be commonly possible in the physical space. This reserved range is then committed on demand, which may remove the need for linked structures, as well as reallocation.
– awdz9nld
Jan 19 '15 at 21:40
...
Android. WebView and loadData
..., I tried with UTF-8 and with latin-1 and with ISO-8859-1, but saw still strange signs instead of ü, ö, ä. But I have another idea, I'll try to convert byte stream from server into string using right encoding. maybe, that'll help me
– Tima
Dec 7 '10 at 10:14...