How to set background color of a View
I’m trying to set the background color of a View (in this case a Button). I use this code: // set the background … Read more
set
How to JSON serialize sets?
I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in … Read more
Converting a list to a set changes element order
Recently I noticed that when I am converting a list to set the order of elements is changed and is sorted by character. … Read more
Set value of hidden field in a form using jQuery’s “.val()” doesn’t work
I’ve been trying to set the value of a hidden field in a form using jQuery, but without success. Here is a sample … Read more
Picking a random element from a set
How do I pick a random element from a set? I’m particularly interested in picking a random element from a HashSet or a … Read more
How to map/reduce/filter a Set in JavaScript?
Is there any way to map/reduce/filter/etc a Set in JavaScript or will I have to write my own? Here’s some sensible Set.prototype extensions … Read more
How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator |, how can I find the union of the two … Read more
Most concise way to convert a Set to a List
For example, I am currently doing this: Set<String> setOfTopicAuthors = …. List<String> list = Arrays.asList( setOfTopicAuthors.toArray( new String[0] ) ); Can you beat … Read more
Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over … Read more
How is set() implemented?
I’ve seen people say that set objects in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of … Read more