Software
English-for-beginners Welcome to English for Beginners. This app includes an alphabet table,...
Korean for BeginnersLearn Korean the easy way!Korean for Beginners is your free...
Japanese for beginners - Learn Japanese Assistant Japanese for Beginners is a...
Chinese Pinyin Learning is an app designed for learning Chinese Pinyin with...
LoanCalculator is an easy-to-use loan calculation tool. It supports amortization schedules for...
Apps
Thai Letter is a professional educational application tailored for absolute beginners, students,...
Pinyin Play is a comprehensive and professional Chinese Pinyin learning application, specially...
FastEncrypt is a lightweight secure file encryption utility powered by the AES...
MarkBin is a lightweight, fast and user-friendly Markdown editor ideal for note-taking,...
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Images to Single PDF
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Latest Articles
LINQ
01-第一个Linq例子和理解结构化查询
LINQ（语言集成查询） 官方文档：Language Integrated Query (LINQ) - C# | Microsoft Learn LINQ全称：Language‑Integrated Query，中文：语言集成查询。 .NET版本：C#3.0 / .NET 3.5 开始内置，无需额外安装。需要命名空间 using System.Linq;，新版.NET支持隐式全局using，老版本需要手动添加。 传统方式查询数据需要写字符串形式SQL，编译不做类型检查、没有智能提示；不同数据源（数据库、XML、数组）要学不同查询语法。LINQ把查询变成C#语言一等语法构造，数组、List、XML、数据库可以使用一套查询写法。 LINQ主要分支 LINQ...
Uncategorized
Privacy Policy for Thai for Beginners – Learn Thai
Last Updated: September 03, 2026 This Privacy Policy applies to the mobile application Thai for Beginners - Learn Thai (hereinafter referred to...
Oracle Tutorial
FETCH
Supported in Oracle 12c and above, used to limit the number of rows returned by queries and implement pagination, equivalent to MySQL's...
Oracle Tutorial
WHERE Conditional Query
WHERE Overview WHERE is a conditional query clause in Oracle, used to filter data and return only rows that satisfy the search...