V2EX readonly

Readonly

释义 Definition

只读的;只能读取而不能修改的。常用于计算机领域,指文件、存储介质、内存区域或变量被设置为“不可写”。在编程语言中(如 C#),readonly 也可作关键字,表示字段只能在初始化或构造函数中赋值。

例句 Examples

This folder is readonly, so I can’t save changes.
这个文件夹是只读的,所以我无法保存更改。

For safety, the system mounts the database in readonly mode during recovery to prevent accidental writes.
为确保安全,系统在恢复期间以只读模式挂载数据库,以防止意外写入。

发音 Pronunciation

/ridonli/

词源 Etymology

read(读取) + only(仅,仅限) 组成,原本多写作 read-only(带连字符),在技术文档与代码中也常见合写形式 readonly,强调“只能读、不能写”的限制属性。

相关词 Related Words

文学与作品用例 Literary Works

  • The C Programming Language(Kernighan & Ritchie):讨论只读数据、字符串常量等相关概念时常涉及“read-only”。
  • Clean Code(Robert C. Martin):在谈到降低副作用、限制可变性时,常用“只读/不可变”的表达来强调设计原则。
  • The Pragmatic Programmer(Andrew Hunt & David Thomas):涉及配置、权限与防止误改时,会使用“read-only”来说明保护措施。
  • UNIX and Linux System Administration Handbook:描述文件权限、只读挂载(read-only mount)与系统维护场景时频繁出现。
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