python (65.2k questions)

javascript (44.3k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (13k questions)

Questions - lru

lru caching not working between application runs for same argument on Flask App

*Edit: just realized I made a mistake in my function design where I re-instantiated the AppDAO in my Class1 function and that is what was causing the unexpected behavior. I figured it out by printing ...
test-img

EliSquared

python

flask

caching

lru

Votes: 0

Answers: 1

Latest Answer

Note that @lru_cache(maxsize=4) def cache_call(self, cache_param): is wrapping a method, not a function. In your example, self, which will be used as as part of the cache key, is an instance of Class...
test-img

Dave W. Smith

Make built-in lru_cache skip caching when function returns None

Here's a simplified function for which I'm trying to add a lru_cache for - from functools import lru_cache, wraps @lru_cache(maxsize=1000) def validate_token(token): if token % 3: return ...
test-img

Max

python

python-3.x

python-decorators

lru

Votes: 0

Answers: 2

Latest Answer

Use exceptions to prevent caching: from functools import lru_cache @lru_cache(maxsize=None) def fname(x): print('worked') raise Exception('') return 1 for _ in range(10): try: ...
test-img

Starlight X

How is the LRU eviction policy less efficient than the random policy in this corner case?

I am reading OS Design: Three Easy Pieces, and I stumbled upon this quote in chapter 19: Translation Lookaside Buffers. It talks about eviction policies and comparing the hit efficiency of LRU vs. a r...
test-img

ksalanga

memory

operating-system

paging

lru

tlb

Votes: 0

Answers: 1

Latest Answer

For example, take an empty TLB of size 3 pages and a program loops through 4. The first page access is a miss, then second is a miss, then the third, then the fourth one is not in the TLB, so we must...
test-img

Brendan

Python @lru_cache() how to store key with different value

I understand that following caches an item in dict with key as 1 and value as "this is item 1 value" @lru_cache() def get_item(item_id): return {item_id: f"this is item {item_id} va...
test-img

Anum Sheraz

python-3.x

caching

lru

Votes: 0

Answers: 0

Posts

Questions

Blogs

Jobs