IT討論區(168) - 切勿做爛市

ror幾好pay架

其實真係建議新手Java起手的
有OOP有data structure
深少少可以明stack heap allocation
又可以明埋GC點運作
應用又多
進可攻退可守

其實generally MongoDB official係叫你Favor embedding unless there is a compelling reason not to

Source: https://www.mongodb.com/developer/products/mongodb/mongodb-schema-design-best-practices/

篇文有寫得好詳細點樣取捨，我就唔特別喺到重複了.

或者應該話要睇返你個use case係咩, 力sir對落講得無錯, structured data應該用返sql, unstructured 應該用返NoSql. SQL係 optimized咗做CRUD / transaction等一般application usage, 你用NoSQL做返lookup / joining就算用indexing都唔會好得過SQL. 如果你係做warehouse/reporting嗰d好多joining嘅不如用返hive 嗰d datawarehouse會比較好

公司人手夠我都 prefer react
冇乜就vue

又係agent 推多

sql json field真係狗也不屌
吓吓要爆出嚟做computation indexing又煩
用開mongo aggregation pipeline乾手淨腳返唔到轉頭

你講嘅join其實咪即係mongo嘅lookup
同埋而加又support transaction

nestjs 其實唔差wor
restapi 佢個concept係 module > controller > service
graphql 佢個concept係 module > resolver > service
serverless 都玩到 要用埋serverless framework 都砌到restapi
仲可以做埋swagger openapi doc
其實算好用 因為都真係似spring 同埋你用cli gen完D file
有相應既controller 同 service spec
方便寫test case

玩過nestjs/rails
睇返spring好似麻煩D
佢係controller > services > repository > entity/model/data?
有冇咩spring/java/kotlin好用既util lib

真
速度都係top3

utility library
好似node 咁有lodash, moment, dayjs
java spring 我見有lombok, guava, flyway migration
姐係一D工具方便你寫/寫少D野