大约有 5,000 项符合查询结果（耗时：0.0219秒） [XML]
How can I concatenate NSAttributedStrings?
... the input strings already put together. You could then use addAttributes: range: to add the attributes after the fact to the ranges containing the input strings. I recommend the former way though.
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Least common multiple for 3 or more numbers
..., args)
Usage:
>>> lcmm(100, 23, 98)
112700
>>> lcmm(*range(1, 20))
232792560
reduce() works something like that:
>>> f = lambda a,b: "f(%s,%s)" % (a,b)
>>> print reduce(f, "abcd")
f(f(f(a,b),c),d)
...
How can I filter a date of a DateTimeField in Django?
...emented in django.views.generic.date_based as follows:
{'date_time_field__range': (datetime.datetime.combine(date, datetime.time.min),
datetime.datetime.combine(date, datetime.time.max))}
Because it is quite verbose there are plans to improve the syntax using __date o...
Google App Engine: Is it possible to do a Gql LIKE query?
...n the property values are sorted in an index, the values that fall in this range are all of the values that begin with the given prefix.
http://code.google.com/appengine/docs/python/datastore/queriesandindexes.html
maybe this could do the trick ;)
...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...se those are the "smart quotes", by far the most likely characters in that range to be used in English text. To be more certain, you could look for pairs.
Otherwise, it's MacRoman, especially if you see a lot of 0xd2 through 0xd5 (that's where the typographic quotes are in MacRoman).
Side note:
...
Circular list iterator in Python
...,'b','c','d']
while 1:
print l[0]
l.append(l.pop(0))
or for i in range() loop:
l = ['a','b','c','d']
ll = len(l)
while 1:
for i in range(ll):
print l[i]
or simply:
l = ['a','b','c','d']
while 1:
for i in l:
print i
all of which print:
>>>
a
b
c
d
a
b
...
How to create a numpy array of all True or all False?
...r Michael Currie's answer
import perfplot
bench_x = perfplot.bench(
n_range= range(1, 200),
setup = lambda n: (n, n),
kernels= [
lambda shape: np.ones(shape, dtype= bool),
lambda shape: np.full(shape, True)
],
labels = ['ones', 'full']
)
bench_x.show()
...
What's the fastest way to do a bulk insert into Postgres?
...
Most important in this kind of procedure (raw data ingestion) is the transformation, expressed in a SQL standard (no use of exotic tools). See stackoverflow.com/a/62493516/287948
– Peter Krauss
Aug 26 at 13:51
...
How to check if smtp is working from commandline (Linux) [closed]
...
Syntax for establishing a raw network connection using telnet is this:
telnet {domain_name} {port_number}
So telnet to your smtp server like
telnet smtp.mydomain.com 25
And copy and paste the below
helo client.mydomain.com
mail from:<sender@...
Convert hex to binary
...
Here's a fairly raw way to do it using bit fiddling to generate the binary strings.
The key bit to understand is:
(n