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Java ArrayList - how can I tell if two lists are equal, order not mattering?
I have two ArrayList s of type Answer (self-made class).
18 Answers
18
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How do I merge two javascript objects together in ES6+?
...he object spread syntax for this:
const merged = {...obj1, ...obj2}
For arrays the spread operator was already part of ES6 (ES2015), but for objects it was added to the language spec at ES9 (ES2018). Its proposal as been enabled by default in tools like Babel long before that.
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Express-js wildcard routing to cover everything under and including a path
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Passing in an array of strings is preferential to me as well. Unfortunately: passing an array to app.VERB() is deprecated and will be removed in 4.0
– CodeWarrior
Jul 26 '13 at 16:36
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AngularJS ng-repeat handle empty list case
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Indeed @ArtemAndreev. When "events" is an empty array, it returns true even though the array is empty
– Rob Juurlink
May 15 '13 at 12:33
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How best to include other scripts?
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Just learned about BASH_SOURCE array, and how the first element in this array always points to the current source.
– haridsv
Feb 11 '14 at 9:31
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Returning JSON from a PHP Script
...$option == 1 ) {
$data = [ 'a', 'b', 'c' ];
// will encode to JSON array: ["a","b","c"]
// accessed as example in JavaScript like: result[1] (returns "b")
} else {
$data = [ 'name' => 'God', 'age' => -1 ];
// will encode to JSON object: {"name":"God","age":-1}
// acce...
Scala 2.8 breakOut
...collection.immutable.IndexedSeq[Int] = Vector(2, 3, 4)
scala> val arr: Array[Int] = l.map(_ + 1)(breakOut)
imp: Array[Int] = Array(2, 3, 4)
scala> val stream: Stream[Int] = l.map(_ + 1)(breakOut)
stream: Stream[Int] = Stream(2, ?)
scala> val seq: Seq[Int] = l.map(_ + 1)(breakOut)
seq: sc...
?: operator (the 'Elvis operator') in PHP
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Be careful with arrays. We must write a checking variable after ?, because:
$params = ['param1' => 'value1',
'param2' => 'value2',
'param3' => 'value3',];
$param1 = isset($params['param1'])?:null;
$...
Map implementation with duplicate keys
...ogle.common.collect.HashMultimap has readObject/writeObject methods, as do ArrayListMultimap and Immutable{List,Set}Multimap. I would consider a useless deserialized instance a bug worth reporting.
– nd.
Jul 25 '14 at 6:02
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How to put a line comment for a multi-line command [duplicate]
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You could store the arguments in an array:
args=(InputFiles # This is the comment for the 1st line
# You can have whole lines of comments in between, useful for:
#--deprecated-option # This isn't use any more
--option1 arg1 # This is th...