| Algorithms |
graph algorithms, number theory, pack, search, sort |
| Cryptography |
crack 75ed, rsa cipher, fence ciphe |
| Data Mining0 |
classification, collaborative filtering, hidden markov, jieba |
| Data Mining1 |
numerical computation, timeline, topic model, tranform matrix, word processing |
| Distributed System |
docker, zookeeper |
| File System |
python and shell scripts |
| Image Processing |
flood fill, image similarity, png, bmp |
| Language |
front-end, elambda, ik-language, qll, quine |
| Network |
openssl, pcap, phantomjs, spider, taobaoip |
| Serialization |
base64, bwt, byte array compression, file prefix, huffman tree, key-value store, protobuf |
| Others |
debug, game, reverse project, scheme-study |