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php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网移...
...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 = $_GET['name'];
...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ~E_NOTICE # 除去Notice警告
2、使用代码
ini_set( 'error_reporting', E_ALL ^ E_NOTICE );
ini_set( 'display_errors', '0' );
3、使用@抑制错误
@$name = $_GET['name'];
...
What is the use of making constructor private in a class?
... tool for this is declaring the class final. This is what Sun did for the String class, and a reasonable chunk of the API that should not be extended.
– BobMcGee
Jan 15 '10 at 16:08
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Use gulp to select and move directories and their files
I'm currently using gulp to call a bash script that cleans my dist/ directory and moves the appropriate files to the clean directory. I would like this to be done with gulp because I am not sure the script would work on a non *nix file system.
So far, I'm using the gulp-clean module to clean the...
When should you not use virtual destructors?
...o not declare a virtual destructor for a class? When should you specifically avoid writing one?
12 Answers
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How to make an unaware datetime timezone aware in python
...ight you, instead of using timezone.utc, provide a different timezone as a string (eg "America/Chicago")?
– bumpkin
Sep 26 '17 at 18:36
2
...
MongoDB drop every database
..."dropping db " + db.getName() );
db.dropDatabase();
}
save it to dropall.js and then execute:
mongo dropall.js
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What does the “at” (@) symbol do in Python?
...
An @ symbol at the beginning of a line is used for class, function and method decorators.
Read more here:
PEP 318: Decorators
Python Decorators
The most common Python decorators you'll run into are:
@property
@classmethod
@staticmethod
If you see an @ in the middle of a line, that's ...
argparse module How to add option without any argument?
....add_argument('--foo', '-f', action='store_true') _StoreTrueAction(option_strings=['--foo', '-f'], dest='foo', nargs=0, const=True, default=False, type=None, choices=None, help=None, metavar=None) >>> parser.parse_args() Namespace(foo=False) >>> print args.foo Traceback (m...
How to find the Windows version from the PowerShell command line
...C
System Locale : ru;Russian
Hotfix(s) : 274 Hotfix(s) Installed.,[01]: KB2849697,[02]: KB2849697,[03]:...
Windows 10 output for the same command:
OS Name : Microsoft Windows 10 Enterprise N 2016 LTSB
OS Version : 10.0.14393 N/A Build 14393
OS Manufacturer ...