C、robots(机器人向导)content的参数有all,none,index,noindex,follow,nofollow。默认是all。 举例: meta是html中的元标签,其中包含了对应html的相关信息,客户端浏览器或服务器端的程序会根据这些信息进行处理。 HTTP-EQUIV类似于HTTP的头部协议,它回应给浏览器一些有用的信息,以帮助正确和精确地显示网页内容。 con...
Technically, UTF-8 is an 8-bit encoding of Unicode, not a character set, although Sambe (and others) are a little free with the meaning of "character set".There can't be a UTF-8 code page because a code page selection switches the top 128 characters in an 8-bit code set (the ...
while utf8mb4 requires four bytes to store it. Since utf8[/utf8mb3] cannot store the character at all, you do not have any supplementary characters in utf8[/utf8mb3] columns and you need not worry about converting characters or losing data when upgrading utf8[/utf8mb3] data from older...
It’s obvious that indexes are a lot larger with utf8mb4 meaning that (I assume) a lot less data can be kept in RAM. It’s interesting that MySQL chose this default, is it really that big a problem that people can’t store emoticons into their tables by default compared to ...
A customer wanted to do a character set conversion from code page 28591 directly to UTF-8. They found that when they askIMultiLanguage::CreateConvertCharsetto create such a converter, it returnsS_FALSE, meaning that no such conversion is available. ...
CharsetEncoder writesUTF-16BEBE, no BOMUTF-16LELE, no BOMUTF-16BE, with BE BOM The next table shows how each variant's decoder behaves when reading a byte sequence. The exact meaning of "failure" in the table is dependent on the CodingErrorAction supplied to CharsetDecoder#malformedInputAc...
The current "default" is only for really old code (and/or people using defaults likes utf-8). For anything non-standard, content_type should be being used with a proper character set definition. So, improvements needed here are: Remove the changes to mimetype setting. Make the smallest ...
transferring model data 100% Error: unsupported content type: text/plain; charset=utf-8 jieguolove mentioned this issue Dec 26, 2024 Error: open config.json: file does not exist #8245 Open Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment...
AddCharset UTF-8 .html AddType 'text/html; charset=UTF-8' html The method I personally use on all my sites is to use the AddDefaultCharset directive in the web root .htaccess file: AddDefaultCharset UTF-8 This will add the following header to the server output of your text/html pages.Co...
17 Korean (Wansung) 18 Korean (EUC) 19 Traditional Chinese 20 Simplified Chinese 21 Simplified Chinese (GB18030) 22 Thai 23 Unicode 2.0 (UCS-2) 24 Unicode 2.0 (UTF-8) 25 UnicodeFFFE 2.0 (UCS-8) 26 dynamically set charset when 1st key typed 27 Blank 中文...