大约有 13,000 项符合查询结果（耗时：0.0247秒） [XML]
if else in a list comprehension [duplicate]
...
@shihon When 'link' in links.keys() is False, a Python list comprehension skips over the expression to add {'albums': links['link']} to the list. Your code expanded would behave the same way as [x+1 for x in l if x >= 45] in my answer above.
– arbo...
How do I disable log messages from the Requests library?
By default, the Requests python library writes log messages to the console, along the lines of:
12 Answers
...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... greater.
Here's what the double precision value gets rounded to (using a Python interpreter):
>>> "%.55f" % 0.1
'0.1000000000000000055511151231257827021181583404541015625'
And here's the single precision value:
>>> "%.55f" % numpy.float32("0.1")
'0.100000001490116119384765625...
How to get the last day of the month?
Is there a way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
...
What is stdClass in PHP?
...ass is PHP's generic empty class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an alternative to ...
partial string formatting
...test and most readable solution, but also describes the coder's intention. Python3 version: python from functool import partial s = "{foo} {bar}".format s_foo = partial(s, foo="FOO") print(s_foo(bar="BAR")) # FOO BAR print(s(foo="FOO", bar="BAR")) # FOO BAR
– Paul Brown
...
class method generates “TypeError: … got multiple values for keyword argument …”
...
The problem is that the first argument passed to class methods in python is always a copy of the class instance on which the method is called, typically labelled self. If the class is declared thus:
class foo(object):
def foodo(self, thing=None, thong='not underwear'):
print thing if...
How to check if a number is between two values?
...
This is my preference, since it's closer to python's min < testval < max syntax
– daveruinseverything
Feb 15 '17 at 22:52
...
Why are dashes preferred for CSS selectors / HTML attributes?
...own style. You will find this within sub-languages of language groups like XML, where e.g. XSLT uses lower-case with hyphen delimiters and XML Schema uses camel-casing.
In general, you will find that adopting the style that feels and looks most "native" to the language you're writing in is better t...
Changing Vim indentation behavior by file type
...entation behavior of Vim based on the file type? For instance, if I open a Python file it should indent with 2 spaces, but if I open a Powershell script it should use 4 spaces.
...