Why do my previous dictionaries in a list change when I try to add a new one?

Advertisements I have a code that does the following: Goes through a list of dictionaries, fills up a "temporary" dictionary with each one’s data, and then appends the "temporary" dictionary to an "information" list. However, I’ve noticed that every time the "temporary" dictionary changes, the overall "information" list changes as well. This is a test… Read More Why do my previous dictionaries in a list change when I try to add a new one?

How to apply function that returns Result to each element of HashSet in Rust

Advertisements As a language that aims for safety and performance, Rust provides a powerful data structure called HashSet that provides a fast and efficient way to store and retrieve unique values. HashSet is optimized for scenarios where you need to check for the presence of a value and avoid duplicates, making it a popular choice… Read More How to apply function that returns Result to each element of HashSet in Rust

How do I get specific keys and their values from nested dict in python?

Advertisements I need help, please be kind I’m a beginner. I have a nested dict like this: dict_ = { "timestamp": "2022-11-18T10: 10: 49.301Z", "name" : "example", "person":{ "birthyear": "2002" "birthname": "Examply" }, "order":{ "orderId": "1234" "ordername": "onetwothreefour" } } How do I get a new dict like: new_dict = {"timestamp": "2022-11-18T10: 10: 49.301Z", "birthyear":… Read More How do I get specific keys and their values from nested dict in python?

How to map array of unknown object keys

Advertisements Now I write it this way: const array = [ {name: ‘somename’, lastname: ‘sometext’} {name: ‘somename1’, lastname: ‘sometext1’} {name: ‘somename2’, lastname: ‘sometext2’} ] function Component({array}) { return ( {array.map(( {name, lastname} ) => ( <p>{name}<p> <p>{lastname}<p> ))} ) } But I want to pass array of objects with any keys: {array.map(( {unknownKey, unknownKey1} )… Read More How to map array of unknown object keys

how to assign unique keys to a widget which is being used multiple times (Flutter)

Advertisements Widget OptionField(String a, String b, Key key, int s) { return AnimatedContainer( key: key, duration: Duration(seconds: 1), height: MediaQuery.of(context).size.height * 0.07, width: MediaQuery.of(context).size.width * 0.9, decoration: BoxDecoration( borderRadius: BorderRadius.circular(28), color: (s == 1) ? Colors.green : (s == 2) ? Colors.red : Colors.white), child: Padding( padding: EdgeInsets.fromLTRB(8, 0, 8, 0), child: Row(children: [ Container(… Read More how to assign unique keys to a widget which is being used multiple times (Flutter)