I only want the Keys and not the Values of a Dictionary. I haven’t been able to get any code to do this yet. Using another array proved to be too much work as I use remove also. How do I get a List of the Keys in a Dictionary? 9 Answers 9
I am logged on as admin I am on the Posts dashboard I have Posts assigned to multiple Categories and I have posts that are assigned to only one category. I want to display posts that are assigned to only one category. if a post is assigned to multiple categories, then it that post should … Read more
If a tuple is immutable then why can it contain mutable items? It is seemingly a contradiction that when a mutable item such as a list does get modified, the tuple it belongs to maintains being immutable. 8 Answers 8
I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop(). Is this because lists are not thread-safe, or for some other reason? 4 Answers 4
If I have: List<string> myList1; List<string> myList2; myList1 = getMeAList(); // Checked myList1, it contains 4 strings myList2 = getMeAnotherList(); // Checked myList2, it contains 6 strings myList1.Concat(myList2); // Checked mylist1, it contains 4 strings… why? I ran code similar to this in Visual Studio 2008 and set break points after each execution. After myList1 … Read more
a = [1, 2, 3, 1, 2, 3] b = [3, 2, 1, 3, 2, 1] a & b should be considered equal, because they have exactly the same elements, only in different order. The thing is, my actual lists will consist of objects (my class instances), not integers. 10 Answers 10
I’m trying to extend the default Gutenberg unordered list that renders like this; <ul> <li>Item 1</li> <li>Item 2</li> </ul> To something like this when it has a custom list style attribute selected; <ul> <li><span></span>Item 1</li> <li><span></span>Item 2</li> </ul> To do this I started setting up an extension with some custom attributes like this; // Set … Read more
>>> x=[1,2] >>> x[1] 2 >>> x=(1,2) >>> x[1] 2 Are they both valid? Is one preferred for some reason? 7 Answers 7
I have a list: a = [32, 37, 28, 30, 37, 25, 27, 24, 35, 55, 23, 31, 55, 21, 40, 18, 50, 35, 41, 49, 37, 19, 40, 41, 31] max element is 55 (two elements on position 9 and 12) I need to find on which position(s) the maximum value is situated. Please, … Read more
I was playing around in python. I used the following code in IDLE: p = [1, 2] p[1:1] = [p] print p The output was: [1, […], 2] What is this […]? Interestingly I could now use this as a list of list of list up to infinity i.e. p[1][1][1]…. I could write the above … Read more
