大约有 47,000 项符合查询结果（耗时：0.0959秒） [XML]
What is the purpose of the single underscore “_” variable in Python?
...a correct username")).
# the usage of underscore in translation comes from examples in the doc
# that have been copy/pasted over decades, like this one:
import gettext
gettext.bindtextdomain('myapplication', '/path/to/my/language/directory')
gettext.textdomain('myapplication')
...
How to convert a scala.List to a java.util.List?
...sts, because the former is immutable and the latter is mutable. So, to get from one to another, you first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ...
Can pandas automatically recognize dates?
Today I was positively surprised by the fact that while reading data from a data file (for example) pandas is able to recognize types of values:
...
Unusual shape of a textarea?
...lick the 'Relaunch Now' button at the bottom of the
browser window.
from: http://html.adobe.com/webplatform/enable/
.container {
overflow: hidden;
shape-inside: polygon(200.67px 198.00px, 35.33px 198.47px, 34.67px 362.47px, 537.00px 362.74px, 535.67px 196.87px, 388.33px 197.00p...
how to compare two elements in jquery [duplicate]
... == $b[0] // not always true
maybe class added to the element or removed from it after the first assignment
share
|
improve this answer
|
follow
|
...
When to use thread pool in C#? [closed]
... need to make your IO related tasks concurrently such as downloading stuff from remote servers or disk access, but need to do this say once every few minutes, then make your own threads and kill them once you're finished.
Edit: About some considerations, I use thread pools for database access, phys...
How to convert list of tuples to multiple lists?
...
From the python docs:
zip() in conjunction with the * operator can be used to unzip a list:
Specific example:
>>> zip((1,3,5),(2,4,6))
[(1, 2), (3, 4), (5, 6)]
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, ...
How do I check the operating system in Python?
...
You can use sys.platform:
from sys import platform
if platform == "linux" or platform == "linux2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For th...
Calculate age given the birth date in the format YYYYMMDD
...- birthday.getTime();
var ageDate = new Date(ageDifMs); // miliseconds from epoch
return Math.abs(ageDate.getUTCFullYear() - 1970);
}
Disclaimer: This also has precision issues, so this cannot be completely trusted either. It can be off by a few hours, on some years, or during daylight sav...
How to access command line arguments of the caller inside a function?
...that itterating the array like that causes the args to be in reverse order from the command line.
– Andrew Backer
Nov 30 '11 at 7:26
add a comment
|
...