[2025-04-21]
3 MIN
What is Top-K problem? Think about Real-time Gaming Leaderboard with a rank system. Determining the rank of a player is a problem we are trying to solve.
[2025-04-05]
2 MIN
Traditional approaches to generating model data for unit tests often involve setting up complex fixtures or writing cumbersome mock classes. By leveraging models...
[2025-03-04]
3 MIN
Every DNS provider is very specific how they create DNS records. Using Terraform or Pulumi don't guarantee multi provider support out of the box. One example...
[2020-06-24]
3 MIN
The LRU Cache algorithm requires keeping track of what was used when, which is expensive if one wants to make sure the algorithm always discards the least...