大约有 34,900 项符合查询结果(耗时:0.0348秒) [XML]

https://stackoverflow.com/ques... 

Enums and Constants. Which to use when?

...ng on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums? ...
https://stackoverflow.com/ques... 

Is there a way to make R beep/play a sound at the end of a script?

When I run R scripts I go do something else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script? ...
https://stackoverflow.com/ques... 

How do you display JavaScript datetime in 12 hour AM/PM format?

... WasiF 10.7k88 gold badges6161 silver badges8484 bronze badges answered Jan 17 '12 at 1:08 bbramebbrame ...
https://stackoverflow.com/ques... 

onActivityResult is not being called in Fragment

... The hosting activity overrides onActivityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first shot at handling the result. This makes s...
https://stackoverflow.com/ques... 

Count Rows in Doctrine QueryBuilder

... Something like: $qb = $entityManager->createQueryBuilder(); $qb->select('count(account.id)'); $qb->from('ZaysoCoreBundle:Account','account'); $count = $qb->getQuery()->getSingleScalarResult(); Some folks feel that expr...
https://stackoverflow.com/ques... 

Copy folder recursively in node.js

... You can use ncp module. I think this is what you need share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Firebug-like debugger for Google Chrome

Is there anything like Firebug that you can use within Google Chrome? 15 Answers 15 ...
https://stackoverflow.com/ques... 

Sort NSArray of date strings or objects

I have an NSArray that contains date strings (i.e. NSString) like this: "Thu, 21 May 09 19:10:09 -0700" 9 Answers ...
https://stackoverflow.com/ques... 

Send POST data on redirect with JavaScript/jQuery? [duplicate]

... answered Dec 5 '11 at 18:42 Kevin ReidKevin Reid 17.8k66 gold badges5757 silver badges8080 bronze badges ...
https://stackoverflow.com/ques... 

'git status' shows changed files, but 'git diff' doesn't

I've had a look at all similar questions. However, I've double checked and something strange is definitely happening. 13 An...