大约有 45,000 项符合查询结果（耗时：0.0686秒） [XML]
What is the difference between __init__ and __call__?
...hat:
class Foo:
def __init__(self, a, b, c):
# ...
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self, a, b, c):
# ...
x = Foo()
x(1, 2, 3) # __call__
...
Insert picture into Excel cell [closed]
...e) > Click OK
Image will appear on hover over.
Microsoft Office 365 (2019) introduced new things called comments and renamed the old comments as "notes". Therefore in the steps above do New Note instead of Insert Comment. All other steps remain the same and the functionality still exists.
T...
How can I pretty-print JSON using node.js?
...var fs = require('fs');
fs.writeFile('test.json', JSON.stringify({ a:1, b:2, c:3 }, null, 4));
/* test.json:
{
"a": 1,
"b": 2,
"c": 3,
}
*/
See the JSON.stringify() docs at MDN, Node fs docs
share
...
How to determine a Python variable's type?
How do I see the type of a variable whether it is unsigned 32 bit, signed 16 bit, etc.?
17 Answers
...
Testing HTML email rendering [closed]
...like http://litmusapp.com Or at the very least a way to test the Outlook 2007/MS Word rendering?
9 Answers
...
Git - Ignore files during merge
...e.txt
git commit -m "merged <merge-branch>"
You can put statements 2 & 3 in a for loop, if you have a list of files to skip.
share
|
improve this answer
|
follow
...
How to prompt for user input and read command-line arguments [closed]
...
12 Answers
12
Active
...
What is the easiest way to initialize a std::vector with hardcoded elements?
...
29 Answers
29
Active
...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
...
|
edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Feb 14 '13 at 22:06
...
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
... interface? Following code covers first two cases. If you are using Python 2.6 you might want to use collections.Mapping instead of dict as per the ABC PEP.
def value_list(x):
if isinstance(x, dict):
return list(set(x.values()))
elif isinstance(x, basestring):
return [x]
...