How to use “OR” using Django’s model filter system?
You can use Q objects to do what you want, by bitwise OR-ing them together: from django.db.models import Q Publisher.objects.filter(Q(name__contains=”press”) | Q(country__contains=”U.S.A”))
logical-or
“querySelectorAll()” with multiple conditions in JavaScript
Is it possible to make a search by querySelectorAll using multiple unrelated conditions? Yes, because querySelectorAll accepts full CSS selectors, and CSS has the concept of selector groups, which lets you specify more than one unrelated selector. For instance: var list = document.querySelectorAll(“form, p, legend”); …will return a list containing any element that is a … Read more
When should I use ?? (nullish coalescing) vs || (logical OR)?
The OR operator || uses the right value if left is falsy, while the nullish coalescing operator ?? uses the right value if left is null or undefined. These operators are often used to provide a default value if the first one is missing. But the OR operator || can be problematic if your left … Read more