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Programming quizzes and knowledge tests Short quizzes on programming, logic and computer science. Test and improve your coding knowledge. Join 👉 https://rebrand.ly/bigdatachannels DMCA: @disclosure_bds Contact: @mldatascientist
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Topic: Debugging & Code Output
🔍 Quick look before the question:
x = 5
def outer():
x = 10
def inner():
print(x)
x = 20
inner()
outer()What is the main purpose of CORS (Cross-Origin Resource Sharing) headers?
Topic: Debugging & Code Output
🔍 Quick look before the question:
def f(n):
if n == 0:
return 0
return n + f(n - 1)
import sys
sys.setrecursionlimit(3)
print(f(5))What is the purpose of a Content Security Policy (CSP) header?
Which traversal visits a binary tree's root before its left and right subtrees?
Topic: Web Development
🔍 Quick look before the question:
async function loadUser() {
const res = await fetch('/api/user');
const data = await res.json();
return data;
}
console.log(loadUser());
console.log('after call');What is the key idea behind union-find (disjoint set) with path compression and union by rank?
What is the primary advantage of a hash map over a balanced binary search tree for key-value storage?
What does the 'volatile' keyword guarantee for a Java field?
Topic: Python
🔍 Quick look before the question:
def outer():
x = 10
def inner():
nonlocal x
x += 5
return x
return inner
f = outer()
print(f())
print(f())What is a primary key's main purpose in a relational table?
Which of these creates a shallow copy of a list in Python?
What is the practical difference between Object.is(NaN, NaN) and NaN === NaN?
Which isolation level allows a transaction to read data another concurrent transaction has written but not yet committed?
