大约有 42,000 项符合查询结果（耗时：0.0387秒） [XML]
Is there a portable way to get the current username in Python?
...e current user's username in Python (i.e., one that works under both Linux and Windows, at least). It would work like os.getuid :
...
Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
...
How to switch position of two items in a Python list?
...ution for this problem on the net (probably because switch, position, list and Python are all such overloaded words).
7 Ans...
Using LIMIT within GROUP BY to get N results per group?
...T aggregated function to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
-----------------------------------------------------------
| ID | GROUPED_YEAR ...
Create an empty list in python with certain size
...n do this to initialize a list with values from 0 to 9:
lst = range(10)
And in Python 3.x:
lst = list(range(10))
share
|
improve this answer
|
follow
|
...
How to duplicate sys.stdout to a log file?
...t appears that there's either no solution, or I'm doing something so non-standard that nobody knows - I'll revise my question to also ask: What is the best way to accomplish logging when a python app is making a lot of system calls?
...
How to check if a path is absolute path or relative path in cross platform way with Python?
...'/', whereas Windows starts with alphabet 'C:' or '\'.
Does python has a standard function to check if a path is absolute or relative?
...
Create a variable name with “paste” in R?
...
In my case function eval() works very good. Below I generate 10 variables and assign them 10 values.
lhs <- rnorm(10)
rhs <- paste("perf.a", 1:10, "<-", lhs, sep="")
eval(parse(text=rhs))
share
|
...
How to convert list to string [duplicate]
...
I was looking for this here and found it elsewhere: If you want to have a newline for every list element (might be useful for long-string lists): print ("\n".join(['I', 'would', 'expect', 'multiple', 'lines']))
– Honeybear
...
Can you control how an SVG's stroke-width is drawn?
...owser-based SVG application. Within this app, various shapes can be styled and positioned by the user, including rectangles.
...