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MySQL “incorrect string value” error when save unicode string in Django
...blem for me. The root cause being:
You cannot store 4-byte characters in MySQL with the utf-8 character set.
MySQL has a 3 byte limit on utf-8 characters (yes, it's wack, nicely summed up by a Django developer here)
To solve this you need to:
Change your MySQL database, table and columns to u...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...他同类型框架的对比，最后通过一些相对复杂的实例展示如何通过WebAPI构建http服务，同时也展示了VisualStudio构建.net项目的各种强大。Web API是一个比较宽泛的概念。这里我们提到Web API特指ASP.NET Web API。
这篇文章中我们主要介绍...
MySQL maximum memory usage
...e to know how it is possible to set an upper limit on the amount of memory MySQL uses on a Linux server.
6 Answers
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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...seem to be unable to re-create a simple user I've deleted, even as root in MySQL.
24 Answers
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
I am fairly new to MySQL and I am getting a pretty interesting error on which I cannot find any help via google and the stackoverflow search.
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What does “export” do in shell programming? [duplicate]
... are copied - but for any kind of subprocess, not only for subshells. So a mysql process get value from MYSQL_PWD env var, but would have no concept of MYSQL_PWD shell var.
– David Tonhofer
Dec 24 '18 at 15:43
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设置用户默认权限 Umask命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...最终的权限变成了755（777 – 022）。
顺便再介绍一下如何方便的修改目录或文件的权限：
shell> find /path -type d -print0 | xargs -0 chmod 755
shell> find /path -type f -print0 | xargs -0 chmod 644
本次补习班下课！
Umask 默认权限
1030 Got error 28 from storage engine
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Mysql error "28 from storage engine" - means "not enough disk space".
To show disc space use command below.
myServer# df -h
Results must be like this.
Filesystem Size Used Avail Capacity Mounted on
/dev/vdisk ...
How to see full query from SHOW PROCESSLIST
...ctively running queries & the capacity to end a query on Amazon Aurora MySQL: select id pid, user, concat('CALL mysql.rds_kill(', id, ');'), time, state, info from information_schema.processlist where info is not null order by time desc;
– spen.smith
Sep 9 ...
How to run Django's test database only in memory?
...s line: 'ENGINE': 'sqlite3' if 'test' in sys.argv else 'django.db.backends.mysql',
– mjallday
Jan 19 '11 at 6:26
3
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