大约有 3,000 项符合查询结果（耗时：0.0183秒） [XML]
#1071 - Specified key was too long; max key length is 767 bytes
... be aware that if you set an index on a big char or varchar field which is utf8mb4 encoded, you have to divide the max index prefix length of 767 bytes (or 3072 bytes) by 4 resulting in 191. This is because the maximum length of a utf8mb4 character is four bytes. For a utf8 character it would be thr...
MySQL “incorrect string value” error when save unicode string in Django
...s you need to:
Change your MySQL database, table and columns to use the utf8mb4 character set (only available from MySQL 5.5 onwards)
Specify the charset in your Django settings file as below:
settings.py
DATABASES = {
'default': {
'ENGINE':'django.db.backends.mysql',
...
...
How to change the default charset of a MySQL table?
...So query will be:
ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8;
share
|
improve this answer
|
follow
|
...
windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术
...码不同,所以需要将windows下的中文编码转换为linux使用的utf8格式的，否则会出现乱码。
//m_string是windows下的中文字符串
//utf8_string是返回转换为utf8编码的中文字符串
//slen是utf8_string字符数组的大小
int multichar_2_utf8(const char *m_s...
Troubleshooting “Illegal mix of collations” error in mysql
...B using COLLATE latin1_general_ci which causes another error: COLLATION 'utf8_general_ci' is not valid for CHARACTER SET 'latin1'' - even if you do not have a column with CHARACTER SET 'latin1'! The solution is to use the BINARY cast. See also this question
– Mel_T
...
How can I output UTF-8 from Perl?
I am trying to write a Perl script using the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
...
invalid byte sequence for encoding “UTF8”
...
If you need to store UTF8 data in your database, you need a database that accepts UTF8. You can check the encoding of your database in pgAdmin. Just right-click the database, and select "Properties".
But that error seems to be telling you there'...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ge.net/ )
调试器 -- gdb
十六进制编辑器 -- hexedit
文本编辑器 -- vim
压缩工具 -- upx (http://upx.sourceforge.net)
计算器 -- gcalctool（gnome计算器）
开始逆向之旅
首先我们看看程序基本信息：
打开控制台，切换...
How to change the default collation of a table?
...nvert to clause):
alter table <some_table> convert to character set utf8mb4 collate utf8mb4_unicode_ci;
Edited the answer, thanks to the prompting of some comments:
Should avoid recommending utf8. It's almost never what you want, and often leads to unexpected messes. The utf8 character ...
C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
...ion encoding.
Encoding iso = Encoding.GetEncoding("ISO-8859-1");
Encoding utf8 = Encoding.UTF8;
byte[] utfBytes = utf8.GetBytes(Message);
byte[] isoBytes = Encoding.Convert(utf8, iso, utfBytes);
string msg = iso.GetString(isoBytes);
...