Hibernate

Hibernate N+1 problem

Hibernate n+1 is very common and usually meet when use Hibernate. Attention when using to get good performance.

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Computer

Why HDDs won't be replaced by SSDs

SSDs are getting cheaper but sill haven't completely replaced HDDs, Why ? Let's find out together.

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build

Maven and Gradle

Maven and Gradle are build automation tool focused on flexibility and performance. Gradle build scripts are written using a Groovy or Kotlin DSL.

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Bash

Bash Script - Mouse Viper Ultimate

Nhớ ngày xưa hồi lớp 6, nhập môn tin học là học về MS-DOS về mấy lệnh command line như, dir, cd, md, rd. Bash script dùng cho Unix, Linux.

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