Character U+0040
Char U+0040
Char
@
Unicode
U+40
Conversion Results
dec: 64
hex: 0x40
oct: 100
bin: 01000000
Appears in charsets
Canonical
/char/u0040Unicode & UTF
Unicode 映射与其在常见编码（UTF‑8/16/32）中的表示，便于复制粘贴与调试。
| Unicode | U+40 | |
| Unicode dec | 64 | |
| UTF-8 (hex) | 40 | |
| UTF-8 (bin) | 01000000 | |
| UTF-16 | 0040 | |
| UTF-32 | 00000040 |
HTML & URL
Web 场景常用的 HTML 实体、URL 转义与 QP 编码，方便在页面/邮件/日志中使用。
| HTML Number | @ | |
| HTML Hex | @ | |
| URL Escape | %40 | |
| Quoted-printable | =40 |
Source Code Escapes
C, C++, and Java
"\u0040"
CSS Code
\0040
JavaScript
"\u0040"
Perl
\x{40}
Python 2
u"\u0040"
Python 3
"\u0040"
Ruby
\u{40}