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I was using the following dockerfile for a container and I realised that the apt-get packages were not getting cached by docker. #(This is a minimal example, these steps take place with other steps installing other software in between, they need to be separate) FROM ubuntu RUN --mount=type=cache,target=/var/cache/apt \ apt-get -y update && \ apt-get install -y \ build-essential checkinstall cmake pkg-config yasm \...

I encountered this problem on LeetCode, which needs us to implement the LRU cache functions "get" and "put" in O(1) average time complexity. I tried the similar method here, in which it implements LRU cache, and my code is like this #include <list> #include <unordered_map> #include <iostream> using namespace std; class LRUCache { public: list<int> cache_list; unordered_map<int,list<int>::iterator> um; int cache_size; LRUCache(int capacity) { cache_size...

Adding different keys to the same slot using hash tags is possible. But which influence on the performance does it make? Which data structure does Redis use for slots with a few keys to optimize read and write operations? Is it a linked list or some kind of sorted tree? PS: According to the @Quassnoi answer - The threshold for storing hash values as...

I am encountering difficulties preserving the cache of a WebView in Flutter, specifically when the app is terminated. Currently, I am using the FlutterWebView package to load a website, but the cache is not persisting after the app termination. I have also attempted to address this issue using the InAppWebView package without success. What I've Tried: Utilized the FlutterWebView package for webview integration. Explored...