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Check if object value exists within a Javascript array of objects and if not add a new object to arr
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I've assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
fu...
How do I mock an autowired @Value field in Spring with Mockito?
...l for even more information, although you probably won't need it since the method is very easy to use
UPDATE
Since the introduction of Spring 4.2.RC1 it is now possible to set a static field without having to supply an instance of the class. See this part of the documentation and this commit.
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How to detect escape key press with pure JS or jQuery?
How to detect escape key press in IE, Firefox and Chrome?
Below code works in IE and alerts 27 , but in Firefox it alerts 0
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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
....rubyonrails.org/classes/ActionView/Helpers/DateHelper.html
distance_of_time_in_words(3600)
=> "about 1 hour"
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How to undo a git pull?
... is a dangerous operation because it loses any local changes.
To the commenter
ORIG_HEAD is previous state of HEAD, set by commands that have possibly dangerous behavior, to be easy to revert them. It is less useful now that Git has reflog: HEAD@{1} is roughly equivalent to ORIG_HEAD (HEAD@{1...
List of lists into numpy array
...numpy array? The rows are individual sublists and each row contains the elements in the sublist.
7 Answers
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Minimum and maximum value of z-index?
I have a div in my HTML page. I am showing this div based on some condition, but the div is displaying behind the HTML element where I pointed the mouse cursor.
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Java Ordered Map
... an ordered list of values, such that the key and value lists are in the same order?
9 Answers
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Java ArrayList copy
...assign l1 to new list reference type l2 . Will l1 and l2 point to same ArrayList object? Or is a copy of the ArrayList object assigned to l2 ?
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AddRange to a Collection
A coworker asked me today how to add a range to a collection. He has a class that inherits from Collection<T> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-frie...