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拍照时报错求助！ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...这回不报错了
那可能是初始化中某个代码块导致的报错问题了{:8_368:}App Inventor 2 发表于 2025-04-30 14:09
那可能是初始化中某个代码块导致的报错问题了
找到问题了，MQTT模块遇到报错时的程序里有个死循环，不过我好奇长...
How do you debug PHP scripts? [closed]
...r_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south.
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What is the size limit of a post request?
...o:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
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MFC中使用CSplitterWnd分割窗口后视图大小的问题 - C++ UI - 清泛IT社区，为创新赋能！
使用CSplitterWnd对框架窗口进行分割之后需要根据需求设置每个分割窗口的大小，但是在通过createView(...)设置大小时，往往起不到想要的结果。
CSize sizeDummy;
m_wndSplitterH.CreateStatic(this, 2, 1);
if (!m_wndSplitterH.CreateView(0, 0, RUNTIME_CLASS(CGr...
C++字符串截断时中文的处理问题（中文被截断怎么处理？） - c++1y / stl - ...
// 防止后台错误消息中汉字双字节被截断出现乱码
if (pRspMsg->RspMsg.buf[pRspMsg->RspMsg.Length() - 2] & 0x80)
pRspMsg->RspMsg.buf[pRspMsg->RspMsg.Length() - 2] = 0;
一个字节和0x80与运算（& 0x80 ）是否...
求助！关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...
我使用的是demo程序进行测试，拓展程序链接：
https://www.fun123.cn/reference/extensions/NotificationStyle.html
结果无论点什么按键都会报错：
edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be...
How to enable cURL in PHP / XAMPP
...
On Debian with Apache 2:
apt-get install php5-curl
/etc/init.d/apache2 restart
(php4-curl if it's php4)
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Create subdomains on the fly with .htaccess (PHP)
...ches[1])) {
$subdomain = $matches[1];
}
I have used regex here to to allow for people hitting your site via www.subdomain.example.org or subdomain.example.org.
If you never anticipate having to deal with www. (or other subdomains) then you could simply use a substring like so:
$subdomain = s...
PHP mkdir: Permission denied problem
...te permissions on the directory.
Here's what you do in Ubuntu
Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R...
List all files in one directory PHP [duplicate]
What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks!
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