Python object initialization and order of method evaluation

Asking just out of curiosity: Intuitively, I would tend to think that the code below would fail because the __init__ function calls somefunc to populate somevar before the function was defined in the object’s body, as would be the case for functions within a module. Could you explain why this code actually works? Thanks, class… Read More Python object initialization and order of method evaluation

Trying to map "similar looking" tuples returned from multiple functions to one variable

Say there is a library with code of this form: public class SomeLib { public (bool WasOk, string Message) DoCheck(string fileName) { // do something here to check the file. return (true, "all good"); } public (bool WasOk, string Message) DoCheck(byte[] fileBytes) { // do something here to check the file as bytes return (true,… Read More Trying to map "similar looking" tuples returned from multiple functions to one variable

How can I remove the mapEntry with the value is null and correct the type?

For the case of nullable variable, I can use whereType to remove the null value in a list: List<String?> myList = [null, ‘123’]; List<String> updatedList = List.from(myList.whereType<String>()); print(updatedList); // get [123] But when it comes to Map, it cannot work as expected: Map<String, String?> myMap = {‘a’:’123′, ‘b’: null}; Map<String, String> updatedMap = Map.fromEntries(myMap.entries.whereType<MapEntry<String,String>>()); print(updatedMap);… Read More How can I remove the mapEntry with the value is null and correct the type?

Javascript: how to compare two arrays of objects and remove equal values?

I have two arrays: This is the main array(im printing it in html but the user can remove objects): checkboxes = [ {name: "boxes", color: "red"}, {name: "boxes", color: "orange"}, {name: "tree", color: "green"} {name: "tree", color: "red"} {name: "tree", color: "yellow"} ] And this is the array with the items to remove in checkboxes[]:… Read More Javascript: how to compare two arrays of objects and remove equal values?

window.scrollTo not working inside useEffect – reactJS

I am trying to execute window.scrollTo on the first render using useEffect function. I am storing the position inside localStorage, but it is not working. Does not work on first page render: useEffect(() => { window.scrollTo(0, localStorage.getItem(‘position’)); }, []); It is worth noting that if I put the scroll function inside a function and call… Read More window.scrollTo not working inside useEffect – reactJS

How do I remove a specific string from some strings in a list?

I’ve been trying to figure out a more universal fix for my code and having a hard time with it. This is what I have: lst = [‘Thursday, June ##’, ‘some string’, ‘another string’, ‘etc’, ‘Friday, June ##’, ‘more strings’, ‘etc’] I’m trying to remove everything after the comma in the strings that contain commas… Read More How do I remove a specific string from some strings in a list?