大约有 13,065 项符合查询结果(耗时:0.0450秒) [XML]
String formatting in Python 3
...
Here are the docs about the "new" format syntax. An example would be:
"({:d} goals, ${:d})".format(self.goals, self.penalties)
If both goals and penalties are integers (i.e. their default format is ok), it could be shortened to:
"({} goals, $...
Python “raise from” usage
...
The difference is that when you use from, the __cause__ attribute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback t...
Do regular expressions from the re module support word boundaries (\b)?
While trying to learn a little more about regular expressions, a tutorial suggested that you can use the \b to match a word boundary. However, the following snippet in the Python interpreter does not work as expected:
...
Class method decorator with self arguments?
How do I pass a class field to a decorator on a class method as an argument? What I want to do is something like:
5 Answer...
Size of character ('a') in C/C++
...
In C, the type of a character constant like 'a' is actually an int, with size of 4 (or some other implementation-dependent value). In C++, the type is char, with size of 1. This is one of many small differences between the two languages.
...
vim command to restructure/force text to 80 columns
I know there are ways to automatically set the width of text in vim using set textwidth (like Vim 80 column layout concerns ). What I am looking for is something similar to = (the indent line command) but to wrap to 80. The use case is sometimes you edit text with textwidth and after joining li...
What does @synchronized() do as a singleton method in objective C?
I just created a singleton method, and I would like to know what the function @synchronized() does, as I use it frequently, but do not know the meaning.
...
request exceeds the configured maxQueryStringLength when using [Authorize]
I have a MVC3 site in C#, I have a particular view being fed query parameters from a JavaScript function, the function redirects to the site via
...
req.query and req.param in ExpressJS
Suppose a client sends say Android (Key,value) pair in the request ........ which one to use ?
4 Answers
...
How do I fix a merge conflict due to removal of a file in a branch?
... conflicts. I don't know how to resolve CONFLICT (delete/modify) . Can you please tell me what to do?
3 Answers
...