已經不知道是第幾次看完謝老師的初級文法視頻了,這一次,總算是有了一點小小的心得,總算是理解了文法的概念
就像是,一個數學公式,終於明白了他的推導演算過程到最後的結果,而不再是靠死記硬背,不理解他是如何來的,這真是學了二十幾年英語,頭一次,覺得付出有了小小回報了w太開心!
2017年終'思想報告'
又是一年,2017再見,2018你好
ELK_搜索引擎_011
- introduce search engine
- _search
- multi-index / type
- page
- deep paging
ELK_documnet consistency & quorum_010
- document writing consistency
- quorum
ELK_documnet & shard routing principle_009
Document Routing principle
Using hexo to create github blog
Using hexo to create github blog
UML class diagram
- Unified Modeling Language
ELK_Stage review_008
Stage review
- Distributed Document Store
- 文檔數據存儲系統
- 操作JSON文檔類型數據
- NOSQL存儲系統
ELK_batch search_007
- Batch query
- mget
- bulk
ELK_Concurrent conflict_006
- Pessimistic lock
- Relational Database
- ex : MySQL
- Optimistic lock
- ex : Elasticsearch