Solution for the Programmers filename sort problem using regex-based splitting and custom sort keys.

Solution for the Programmers word chain game problem using stack-based simulation and modular arithmetic.

Survey of NLP trends including reinforcement learning for summarization and QA, and multimodal NLP+CV approaches like Show and Tell and GLAC Net.

One-liner to find and kill all matching processes using ps, grep, awk, and xargs.

Overview of Python collections containers: UserDict, OrderedDict, and deque with practical usage notes.

Solution for Baekjoon 14891 (Gear/Cogwheel) using recursive state checking and deque-based rotation.