大约有 40,000 项符合查询结果（耗时：0.0840秒） [XML]
Restore the state of std::cout after manipulating it
...eam.
– Alexis Wilke
Feb 16 '15 at 4:32
4
There's more to the stream state besides the flags.
...
putting current class as return type annotation [duplicate]
...e. Instead, they are preserved in __annotations__ in string form. This is called Postponed Evaluation of Annotations, introduced in PEP 563.
Also note:
Deprecation policy
Starting with Python 3.7, a __future__ import is required to use the
described functionality. No warnings are raised...
?? Coalesce for empty string?
...d make your extension method return a string or null, however, which would allow the coalescing operator to work. This would be odd, however, and I personally prefer your current approach.
Since you're already using an extension method, why not just make one that returns the value or a default:
s...
How to preview git-pull without doing fetch?
...EAD...origin/master (three dots not two) to show a single diff.
There normally isn't any need to undo a fetch, because doing a fetch only updates the remote branches and none of your branches. If you're not prepared to do a pull and merge in all the remote commits, you can use git cherry-pick to ac...
When to make a type non-movable in C++11?
...
Herb's answer (before it was edited) actually gave a good example of a type which shouldn't be movable: std::mutex.
The OS's native mutex type (e.g. pthread_mutex_t on POSIX platforms) might not be "location invariant" meaning the object's address is part of its va...
console.writeline and System.out.println
...
They're essentially the same, if your program is run from an interactive prompt and you haven't redirected stdin or stdout:
public class ConsoleTest {
public static void main(String[] args) {
System.out.println("Console is: " +...
Align inline-block DIVs to top of container element
...oth .small and .big.
.container{
border: 1px black solid;
width: 320px;
height: 120px;
}
.small{
display: inline-block;
width: 40%;
height: 30%;
border: 1px black solid;
background: aliceblue;
vertical-align: top;
}
.big {
display: inline-block;
...
How to add Active Directory user group as login in SQL Server
... Thank you for a very clear answer with annotated screen shots! I wish all answers were like this...
– NickG
Jan 17 '13 at 15:13
...
Twitter Bootstrap: div in container with 100% height
...
The #map is actually obscured behind the navbar in this example.
– Ethereal
May 7 '13 at 19:57
|...
Python division
...-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
...