大约有 47,000 项符合查询结果（耗时：0.0595秒） [XML]
How do you execute an arbitrary native command from a string?
...
4 Answers
4
Active
...
How do I write good/correct package __init__.py files
...
147
__all__ is very good - it helps guide import statements without automatically importing modules...
Why can't I use Docker CMD multiple times to run multiple services?
...e details, I wrote a blog on this subject here: http://blog.trifork.com/2014/03/11/using-supervisor-with-docker-to-manage-processes-supporting-image-inheritance/
share
|
improve this answer
...
What is the “owning side” in an ORM mapping?
...
answered Jan 11 '14 at 22:22
Angular UniversityAngular University
36.8k1515 gold badges6868 silver badges7878 bronze badges
...
Synchronise ScrollView scroll positions - android
...
4 Answers
4
Active
...
How can I recover a lost commit in Git?
...on in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
share
|
improve this...
How do I create a right click context menu in Java Swing?
...
141
You are probably manually calling setVisible(true) on the menu. That can cause some nasty bugg...
When does invoking a member function on a null instance result in undefined behavior?
...pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)
However, one can try to deduced it from §3.10/2:
An lvalue refers to an object or function.
When dereferencing, the result is an lvalue. A nul...
Does the ternary operator exist in R?
...(x)]])
here, you don't need to take care about brackets:
> 1 ? 2*3 : 4
[1] 6
> 0 ? 2*3 : 4
[1] 4
> TRUE ? x*2 : 0
[1] 2
> FALSE ? x*2 : 0
[1] 0
but you need brackets for assignment :(
> y <- 1 ? 2*3 : 4
[1] 6
> y
[1] 1
> y <- (1 ? 2*3 : 4)
> y
[1] 6
Finally, y...
moment.js - UTC gives wrong date
...YYY-MM-DD HH:mm")
"2013-07-18 09:00"
>>> Date()
"Thu Jul 25 2013 14:28:45 GMT+0300 (Jerusalem Daylight Time)"
If you want the date-time string interpreted as UTC, you should be explicit about it:
>>> moment(new Date('07-18-2013 UTC')).utc().format("YYYY-MM-DD HH:mm")
"2013-07-18...