Fixing Bluetooth Crashes and Device Discovery Issues in Windows 11

After a system update, the Bluetooth panel became unresponsive and crashed. Setting the Device Association Service startup type to 'Automatic' resolves the issue.

教程

P1120 Small Wooden Sticks

A deep dive into solving the classic backtracking problem of reconstructing equal-length sticks from broken pieces, with pruning techniques and optimization strategies.

教程 / 题解

P1434 [SHOI2002] Skiing: A Classic Dynamic Programming Challenge

Michael loves skiing, but to gain speed, he must always ski from a higher point to a lower one. Given a grid of mountain heights, find the length of the longest downhill path he can take by moving up, down, left, or right. This classic problem is a perfect introduction to memoized dynamic programming.

教程 / 题解

P1535 [USACO08MAR] Cow Travelling S

Explore the classic USACO problem 'Cow Travelling'—a dynamic programming approach to counting paths with exact time constraints on a grid, complete with optimized solutions and edge-case insights.

教程 / 题解

I've Seen Others Write Problem Solutions, So I'm Starting Too

Well, That’s It The problem list I plan to work through is this one on Luogu. I won’t necessarily go through it in order, and I won’t force myself to hit a daily or weekly quota. The idea is simply: trying to explain a problem clearly to someone else is a great way to learn. It also leaves somethin

教程 / 题解

Fixing Imgur Images Not Loading: A Clever Workaround

Imgur is blocked in mainland China, and many proxy IPs are blacklisted too. Discover a practical solution using mirror cache services like noobzone.ru and the Header Editor browser extension to redirect requests and load images seamlessly.

教程

Solving Segmentation Fault Errors with g++ in OI

Learn how to identify and fix common segmentation fault errors in C++ programs during Olympiad in Informatics contests, including debugging tips and best practices with g++.

教程

How to Get Paid Microsoft Store Apps for Free

Discover how to download and install paid Microsoft Store apps via third-party websites. Steps: grab the app's store link, fetch the installer from a third-party site, and bypass signature verification.

教程 / 资源

Bypassing Campus Network Throttling with IPv6: A Practical Exploration

This article details a method to bypass campus network speed restrictions by leveraging IPv6. By finding or setting up IPv6-capable nodes and tunneling all local traffic through IPv6, you can effectively circumvent throttling and enjoy unmetered access.

教程 / 资源

Essential conda Commands You Need to Know

All commands below are demonstrated on Windows. Entering a conda environment 1 activate Exiting 1 deactivate Creating an environment 1 conda create -n If you’re using python, you’ll need to run 1 conda create -n python Entering a specific environment 1 conda activate

笔记
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