大约有 43,100 项符合查询结果(耗时:0.0509秒) [XML]
I want to exception handle 'list index out of range.'
...
Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
share
...
How to extract one column of a csv file
...
16 Answers
16
Active
...
What is the purpose of Order By 1 in SQL select statement?
...e at work, and have noticed that there are several views with an order by 1 clause. What does this accomplish?
8 Answer...
LINQ where vs takewhile
...
159
TakeWhile stops when the condition is false, Where continues and find all elements matching th...
How to display gpg key details without importing it?
...
153
There are several detail levels you can get when looking at OpenPGP key data: a basic summary,...
pip broke. how to fix DistributionNotFound error?
...
11 Answers
11
Active
...
How to determine if binary tree is balanced?
...
166
Stumbled across this old question while searching for something else. I notice that you never ...
Codeigniter - no input file specified
...
291
Just add the ? sign after index.php in the .htaccess file :
RewriteEngine on
RewriteBase /
Rewr...
Python Infinity - Any caveats?
... usual arithmetic calculations:
>>> 2.0**2
4.0
>>> _**2
16.0
>>> _**2
256.0
>>> _**2
65536.0
>>> _**2
4294967296.0
>>> _**2
1.8446744073709552e+19
>>> _**2
3.4028236692093846e+38
>>> _**2
1.157920892373162e+77
>>> _**2...