As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more
While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection<Car>) CollectionUtils.select(listOfCars, (arg0) -> { return Car.SEDAN == ((Car)arg0).getStyle(); }); Details: Java 6, Apache Commons Collection, IntelliJ 12 Update/Answer: It turns out that IntelliJ 12 supports Java 8, which … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 4 years ago. Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting … Read more
How can I convert byte size into a human-readable format in Java? Like 1024 should become “1 Kb” and 1024*1024 should become “1 Mb”. I am kind of sick of writing this utility method for each project. Is there a static method in Apache Commons for this? 30 s 30 Fun fact: The original snippet … Read more
I am interested in the following:Is there a list of characters that would never occur as part of a base 64 encoded string?For example *. I am not sure if this would occur or not. If the original input actually had * as part of it would that be encoded differently?
Apache Commons is generally known as a solid project. Keep in mind, though, you’ll still have to send a verification email to the address if you want to ensure it’s a real email, and that the owner wants it used on your site. EDIT: There was a bug where it was too restrictive on domain, … Read more
