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NUS Semester1 Summary

启程新加坡2023年7月27日,我从北京乘坐CA975航班飞往新加坡攻读计算机工程硕士学位。新加坡的天气和北京7月份的天气相似。抵达新加坡后

Java学习笔记02

数组:指的是一种容器,可以同来存储同种数据类型的多个值。 数组容器在存储数据的时候,需要结合隐式转换考虑。定义了一个int类型的数组。那么bo

Java学习笔记01

1. Java概述 1.1 Java是什么?语言:人与人交流沟通的表达方式 计算机语言:人与计算机之间进行信息交流沟通的一种特殊语言 Java是一种计算机语

Quick Java Version Switching on Mac

If you need to quickly switch between Java versions on your Mac, you can use aliases and environment variables directly in your .zshrc file. Follow these steps: Steps 1. Open your TerminalOpen the Terminal application. You can find and open it by typing “Terminal” in the Spotlight search bar. 2. Edit your .zshrc fileEdit your .zshrc file using a text editor. You can use the nano editor or any other text editor you prefer.

Some things make sense in 2023

拼多多和字节跳动赢在哪里? “这个群体的画像是这样的:极致追求性价比、冲动型的消费习惯但客单价往往很低、沉浸于快节奏的阅读和具有短暂冲击性的内

Basic concepts of data warehouse

The data warehouseData Warehouse: A Data Warehouse is a data system used for storing, analyzing, and reporting. The purpose of a data warehouse is to build an integrated data environment for analysis, providing decision support for businesses. The focus of a data warehouse is on analysis, and its results support decision-making in enterprises: A data warehouse does not “produce” any data itself; it obtains data from various external systems. Similarly, a data warehouse does not need to “consume” any data; its results are made available to external applications.