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Lambda Expression and generic method
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You can't use a lambda expression for a functional interface, if the method in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§...
Comparator.reversed() does not compile using lambda
... mechanism. In order to infer the type of u in the lambda, the target type for the lambda needs to be established. This is accomplished as follows. userList.sort() is expecting an argument of type Comparator<User>. In the first line, Comparator.comparing() needs to return Comparator<User>...
Await on a completed task same as task.Result?
...e (in a library) can occasionally use Result/Wait if the code really calls for it. Such usage should probably have comments.
Parallel task code can use Result and Wait.
Note that (1) is by far the common case, hence my tendency to use await everywhere and treat the other cases as exceptions to the...
Are there any style options for the HTML5 Date picker?
...g up some of the slack so we don't have to keep re-inventing such a common form of input.
6 Answers
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How to split a sequence into two pieces by predicate?
...t until an element is "false" (in terms of the predicate). From that point forward, it will put the elements in the second list.
scala> Seq(1,2,3,4).span(x => x % 2 == 0)
res0: (Seq[Int], Seq[Int]) = (List(),List(1, 2, 3, 4))
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What is process.env.PORT in Node.js?
what is process.env.PORT || 3000 used for in Node.js? I saw this somewhere:
4 Answers
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IntelliJ IDEA JDK configuration on Mac OS
... 10. Every time when I create a new project, it is asking me to choose JDK for this project. Anyone know how I can configure it and make it easy to use?
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how do I strip white space when grabbing text with jQuery?
...would be a clearer pattern (the "i" is redundant and the ' ' is an unusual form - also fwiw a pattern of /(^\s*)|(\s*$)/g is equivalent to trim.
– annakata
Dec 18 '08 at 10:04
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How do you git show untracked files that do not exist in .gitignore
... @matthew-mccullough Great answer! I'll be adding some aliases for these thanks! @jpadvo Can you give example of useage for find method?
– lacostenycoder
Dec 18 '16 at 9:19
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POST JSON to API using Rails and HTTParty
I would like for a user within my ruby on rails app to be able to submit a ticket to my external ticket management system, squishlist.com. They have an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist.
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