大约有 36,010 项符合查询结果（耗时：0.0510秒） [XML]
What is the __del__ method, How to call it?
...find a place where this method is used. The main reason for that is that I do not know how this method is used, probably not like that: obj1.del() . So, my questions is how to call the __del__ method?
...
How to get a DOM Element from a JQuery Selector
I'm having an impossibly hard time finding out to get the actual DOMElement from a jquery selector. Sample Code:
4 Answers...
Can I specify multiple users for myself in .gitconfig?
...
Is there a way to do this for all repos in a given folder, rather than for individual repos? See my question here: stackoverflow.com/questions/21307793/…
– scubbo
Jan 23 '14 at 12:13
...
Switch on ranges of integers in JavaScript [duplicate]
I want to do something like this
9 Answers
9
...
How to check for changes on remote (origin) Git repository?
...
git remote update to bring your remote refs up to date. Then you can
do one of several things, such as:
git status -uno will tell you whether the branch you are tracking is ahead, behind or has diverged. If it says nothing, the local and
remote are the same.
git show-branch *master...
How to remove/delete a large file from commit history in Git repository?
...igured to stop you from losing history - which is exactly what you want to do). You need to get that setting changed on the remote, or failing that, push the updated repo history to a brand new blank repo.
– Roberto Tyley
Feb 23 '14 at 23:09
...
Can we instantiate an abstract class?
... explaining, and gave this example, as a unique counterexample, I think he doesn't know what he's talking about, though.
share
|
improve this answer
|
follow
|...
Getting the IP address of the current machine using Java
...le and setting the local endpoint accordingly. The last part seems to be undocumented officially but it looks like an integral trait of Berkeley sockets API (a side effect of UDP "connected" state) that works reliably in both Windows and Linux across versions and distributions.
So, this method wil...
Convert data.frame column to a vector?
...atomic column, you could use [[, or somewhat confusingly (to me) you could do aframe[,2] which returns a vector, not a sublist.
So try running this sequence and maybe things will be clearer:
avector <- as.vector(aframe['a2'])
class(avector)
avector <- aframe[['a2']]
class(avector)
avector...
Why is enum class preferred over plain enum?
...them:
enum class Color { red, green, blue }; // enum class
enum Animal { dog, cat, bird, human }; // plain enum
What is the difference between the two?
enum classes - enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int)
Pla...