大约有 40,000 项符合查询结果(耗时:0.1369秒) [XML]

https://stackoverflow.com/ques... 

How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
https://stackoverflow.com/ques... 

How do I create directory if none exists using File class in Ruby?

...added a core-only solution to my answer: Be aware, however, that it essentially reimplements FileUtils.mkdir_p (which is the method dedicated to your use case) – Eureka Sep 27 '12 at 9:12 ...
https://stackoverflow.com/ques... 

How do you check in python whether a string contains only numbers?

....isdigit(): From the isdigit documentation: str.isdigit() Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
https://stackoverflow.com/ques... 

Calling a function within a Class method?

...c function newTest(){ $this->bigTest(); $this->smallTest(); } private function bigTest(){ //Big Test Here } private function smallTest(){ //Small Test Here } public function scoreTest(){ //Scoring code here; ...
https://stackoverflow.com/ques... 

Loading cross-domain endpoint with AJAX

... API URL. (Supports https: see github repository) If you want to automatically enable cross-domain requests when needed, use the following snippet: $.ajaxPrefilter( function (options) { if (options.crossDomain && jQuery.support.cors) { var http = (window.location.protocol === 'http:'...
https://stackoverflow.com/ques... 

What is process.env.PORT in Node.js?

...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment. Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
https://stackoverflow.com/ques... 

What is a “context bound” in Scala?

... Iterable[T]) = xs zip ys map { t => implicitly[Numeric[T]].times(t._1, t._2) } or def **[T : Numeric](xs: Iterable[T], ys: Iterable[T]) = xs zip ys map { t => context[T]().times(t._1, t._2) } share ...
https://stackoverflow.com/ques... 

Debugging Scala code with simple-build-tool (sbt) and IntelliJ

... running the remote JVM -- something like -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 Launch sbt with these arguments and then execute jetty-run. Finally, launch your remote debug configuration in IntelliJ. This thread might be useful. ...
https://stackoverflow.com/ques... 

Amazon S3 Change file download name

...mention that it was not me to provide the right answer on Amazon forum and all credits should go to Colin Rhodes ;-) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Using comparison operators in Scala's pattern matching system

...t; println("less than ten") } Edit: Note that this is more than superficially different to putting an if after the =>, because a pattern won't match if the guard is not true. share | improve th...