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What does the PHP error message “Notice: Use of undefined constant” mean?
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You should quote your array keys:
$department = mysql_real_escape_string($_POST['department']);
$name = mysql_real_escape_string($_POST['name']);
$email = mysql_real_escape_string($_POST['email']);
$message = mysql_real_escape_string($_POST['message']);
As is, it was loo...
Explicitly set Id with Doctrine when using “AUTO” strategy
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Although your solution work fine with MySQL, I failed to make it work with PostgreSQL as It's sequence based.
I've to add this line to make it work perfectly :
$metadata->setIdGenerator(new \Doctrine\ORM\Id\AssignedGenerator());
Best regards,
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App Inventor 2 试验组件 · App Inventor 2 中文网
...询问问题，连续的对话将记住先前对话中的信息，使用 重置对话 方法重置开始新的对话。
重置对话()
重置当前对话，聊天机器人在回复时会忘记之前的任何对话。
Firebase数据库
Firebase 组件与 Web 服务通信以存储并获取...
[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...
[解决]MySql提示:The server quit without updating PID file(…)失败服务器症状：今天网站web页面提交内容到数据库，发现出错了，一直提交不了，数找了下原因，发现数据写不进去！第一反应，重启mysql数据库，...服务器症状：
今天网站we...
How to take backup of a single table in a MySQL database?
By default, mysqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it?
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How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
13
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Can I restore a single table from a full mysql mysqldump file?
I have a mysqldump backup of my mysql database consisting of all of our tables which is about 440 megs. I want to restore the contents of just one of the tables from the mysqldump. Is this possible? Theoretically, I could just cut out the section that rebuilds the table I want but I don't even know ...
MySQL show status - active or total connections?
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Connections
The number of connection attempts (successful or not) to the MySQL server.
You can see the number of active connections either through the Threads_connected status variable:
Threads_connected
The number of currently open connections.
mysql> show status where `variable_name` = 'Th...
常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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#改变暂存区的修改（其实是重置HEAD，将指定版本库的内容状态去覆盖暂存区，从而达到暂存区的改变）
git reset <file> #从暂存区恢复到工作区（不指定版本id，则默认为最后一次提交的版本id）
git r...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
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