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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...$ echo $ORACLE_SID
空的
查看环境变量
vi .bash_profile 没有问题
查看权限
ll .bash_profile
-rw--rw--- 1 oracle oinstall 529 10鏈?24 20:18 /home/oracle/.bash_profile
有问题。修改权限
chmod 775 /home/oracle/.bash_profile
进入ORLACE
sqlplus /as sysd...
Get absolute path of initially run script
...e one silver bullet way to get the absolute path of the executed script in PHP? For me, the script will run from the command line, but, a solution should function just as well if run within Apache etc.
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How can we match a^n b^n with Java regex?
...our definition of "good". For example the recursive solution is around one order of magnitude faster than the other one (codepad.viper-7.com/CWgy7c). And it is far easier to understand. The recursive solution is pretty much the direct transformation of the grammar into a regex (actually you could ju...
What is SQL injection? [duplicate]
...t data is valid.
Do a code review to check for the possibility of second-order
attacks.
Use parameterised queries.
Use stored procedures.
Re-validate data in stored procedures.
Ensure that error messages give nothing away about the internal
architecture
When do I use the PHP constant “PHP_EOL”?
When is it a good idea to use PHP_EOL ?
19 Answers
19
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App Inventor 2 中文网 · 升级日志
...验。 优化 优化部分功能；解决“翻译器”崩溃问题；部分文档翻译；菜单优化等。 230710 2023/07/10 全新 “密码修改”功能全新上线！如遗忘初始密码，请联系客服重置。 优化 优化部分功能...
APP被手机识别为疑似病毒 - App应用开发 - 清泛IT社区，为创新赋能！
...用，忽略警告，加入白名单，继续安装，使用上没有任何问题。有些手机有所谓的“纯净模式”阻止安装，可以考虑在设置中关闭它。
2、如果想要发布，可以先线上检测一下：https://m.qq.com/security_lab/scans_online.jsp
上传APK文件...
PHP Pass variable to next page
...
You can add the variable in the link to the next page:
<a href="page2.php?varname=<?php echo $var_value ?>">Page2</a>
This will create a GET variable.
Another way is to include a hidden field in a form that submits to page two:
<form method="get" action="page2.php">
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QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例：
1、http://localhost/aaa/ （打开aaa中的index.php）
$_SERVER['QUERY_STRING'] = "";
$_SERVER['REQUEST_URI'] = "/aaa/";
$_SERVER['SCRIPT_NAME...
On delete cascade with doctrine2
I'm trying to make a simple example in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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