大约有 47,000 项符合查询结果（耗时：0.0285秒） [XML]
Regexp Java for password validation
...
318
Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
...
Passing just a type as a parameter in C#
...
answered Jun 8 '12 at 20:22
Reed CopseyReed Copsey
509k6868 gold badges10671067 silver badges13241324 bronze badges
...
What is PEP8's E128: continuation line under-indented for visual indent?
...ust opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
...
Stop setInterval
...
answered May 8 '13 at 9:33
Rory McCrossanRory McCrossan
291k3333 gold badges259259 silver badges297297 bronze badges
...
How to create a custom string representation for a class object?
...
280
Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(self...
In Maven 2, how do I know from which dependency comes a transitive dependency?
...NAPSHOT
[INFO] \- org.apache.maven.doxia:doxia-site-renderer:jar:1.0-alpha-8:compile
[INFO] \- org.codehaus.plexus:plexus-velocity:jar:1.1.3:compile
[INFO] \- velocity:velocity:jar:1.4:compile
share
|
...
Overload constructor for Scala's Case Classes?
In Scala 2.8 is there a way to overload constructors of a case class?
2 Answers
2
...
Add column with constant value to pandas dataframe [duplicate]
...with partially aligned indices:
In [7]: from pandas import DataFrame
In [8]: from numpy.random import randint
In [9]: df = DataFrame({'a': randint(3, size=10)})
In [10]:
In [10]: df
Out[10]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [11]: s = df.a[:5]
In [12]: dfa, sa = df.ali...
Finding median of list in Python
...> median([1, 3, 5, 7])
4.0
Usage:
import statistics
items = [6, 1, 8, 2, 3]
statistics.median(items)
#>>> 3
It's pretty careful with types, too:
statistics.median(map(float, items))
#>>> 3.0
from decimal import Decimal
statistics.median(map(Decimal, items))
#>>&g...
Why does javascript map function return undefined?
...
187
You aren't returning anything in the case that the item is not a string. In that case, the func...