大约有 7,700 项符合查询结果(耗时:0.0247秒) [XML]

https://stackoverflow.com/ques... 

Appending an element to the end of a list in Scala

...iar use a Vector if you want immutability and efficient append. See the performance characteristics section in scala-lang.org/docu/files/collections-api/collections.html – Arjan Blokzijl Oct 17 '11 at 14:12 ...
https://stackoverflow.com/ques... 

Has anyone ever got a remote JMX JConsole to work?

...s port can be found also the lsof -i gives hints what port has been opened form the java process. NOTE: This port always changes when java process is started. netstat -lp | grep <process-id> tcp 0 0 *:<jmx-remote-port> *:* LISTEN 24321/java tcp 0 0...
https://stackoverflow.com/ques... 

Determine the type of an object?

... (which you shouldn't be doing to begin with), isinstance is the preferred form anyhow, so neither == or is need be used. – Mike Graham Feb 8 '10 at 22:50 23 ...
https://stackoverflow.com/ques... 

What does curly brackets in the `var { … } = …` statements do?

... What you're looking at is a destructuring assignment. It's a form of pattern matching like in Haskell. Using destructuring assignment you can extract values from objects and arrays and assign them to newly declared variables using the object and array literal syntax. This makes code m...
https://stackoverflow.com/ques... 

Are global variables in PHP considered bad practice? If so, why?

... Can you not use a callback of the form array ($obj, 'callbackMethod') in calls to preg_replace_callback()? (I know, I've fallen prey to this OOP pitfall...) – grossvogel Jul 1 '10 at 16:22 ...
https://stackoverflow.com/ques... 

How to perform OR condition in django queryset?

... Is it better to use this type of query or perform two separate queries? – MHB Mar 16 at 15:06 ...
https://stackoverflow.com/ques... 

Is there a “theirs” version of “git merge -s ours”?

... prevent the conflict from happening in the first place. Note: A longer form option also exists. To use it, replace: -X theirs with: --strategy-option=theirs share | improve this answer ...
https://stackoverflow.com/ques... 

Getting the last element of a list

... it's certainly not a global solution - it would be nice to have a syntax form where None was the result – Mark Mullin Mar 5 '17 at 20:16 18 ...
https://stackoverflow.com/ques... 

REST API - why use PUT DELETE POST GET?

...?output=json or ?output=html which would allow the accessor to decide what format the information should be encoded in. After a bit of thinking about how to reasonably incorporate data typing into a REST API, I've concluded that the best way to specify the type of data explicitly would be via the a...
https://stackoverflow.com/ques... 

AngularJS - Create a directive that uses ng-model

...scope." The two contenteditable directive examples in the Angular docs -- forms page, NgModelController page -- both use ng-model. And the ngModelController page says that this controller is "meant to be extended by other directives." – Mark Rajcok Feb 16 '13...