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php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ~E_NOTICE # 除去Notice警告
2、使用代码
ini_set( 'error_reporting', E_ALL ^ E_NOTICE );
ini_set( 'display_errors', '0' );
3、使用@抑制错误
@$name = $_GET['name'];
...
Discuz 证件类型下拉框不显示的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...拉框是不是出来了？是不是很神奇？ 前台程序代码没得问题的，放心使用！
找到文件 \source\admincp\admincp_members.php ，搜索代码共两处：
C::t('common_member_profile_setting')->update('idcardtype', $setarr);
改为：
C::t('common_member_profile_set...
How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...7)
But, there are at least two differences :
__DIR__ only exists with PHP >= 5.3
which is why dirname(__FILE__) is more widely used
__DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time
so, __DIR__ is (or, should be) faste...
Are PHP Variables passed by value or by reference?
... function is changed, it does not get changed outside of the function). To allow a function to modify its arguments, they must be passed by reference.
To have an argument to a function always passed by reference, prepend an ampersand (&) to the argument name in the function definition.
&l...
nginx showing blank PHP pages
...ginx that's shipped with Centos). I'd love to see the documentation around all of this improve.
– Jorre
Mar 27 '14 at 16:23
1
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PHP Function Comments
Just a quick question: I've seen that some PHP functions are commented at the top, using a format that is unknown to me:
4 ...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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1.打开任意想打开的pdf文件（这就是github上的FAQ的第一个问题）
2.能够通过.net后台动态的控制与打开pdf有关的参数
第一个问题：
我们只用修改viewer.js文件中的pdf路径参数即可：
var DEFAULT_URL = '09.pdf';
如果pdf文件与viewer.html不...
Remove empty array elements
... of strings, you can simply use array_filter(), which conveniently handles all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
How to Free Inode Usage?
...age is 100% (using df -i command).
However after deleting files substantially, the usage remains 100%.
15 Answers
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