大约有 43,500 项符合查询结果（耗时：0.0570秒） [XML]
Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
...
How do you remove an invalid remote branch reference from Git?
... |
edited Apr 19 at 18:02
Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
a...
Test if a variable is a list or tuple
...
|
edited Oct 2 '12 at 0:55
answered Feb 2 '10 at 15:29
...
Manually raising (throwing) an exception in Python
...error: ValueError('Represents a hidden bug, do not catch this',)
Problem 2: Won't catch
And more specific catches won't catch the general exception:
def demo_no_catch():
try:
raise Exception('general exceptions not caught by specific handling')
except ValueError as e:
pri...
Which cryptographic hash function should I choose?
...flaw that allows collisions to be found in theoretically far less than the 2^80 steps a secure hash function of its length would require. The attack is continually being revised and currently can be done in ~2^63 steps - just barely within the current realm of computability. For this reason NIST is ...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...what a nub!
– cydonia
Nov 14 '10 at 2:13
1
yeah, those examples are daft
– ...
How to get input type using jquery?
...
272
EDIT Feb 1, 2013. Due to the popularity of this answer and the changes to jQuery in version 1...
Maven check for updated dependencies in repository
...
287
The Maven Versions plugin and its display-dependency-updates mojo are what you're looking for:...
Select multiple records based on list of Id's with linq
...
214
You can use Contains() for that. It will feel a little backwards when you're really trying to...
decorators in the python standard lib (@deprecated specifically)
... category=DeprecationWarning,
stacklevel=2)
warnings.simplefilter('default', DeprecationWarning) # reset filter
return func(*args, **kwargs)
return new_func
# Examples
@deprecated
def some_old_function(x, y):
return x + y
class SomeClass:...