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How to validate a url in Python? (Malformed or not)
...alidators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except ValidationError, e:
print e
If you set verify_exists to True, it will actually verify that the URL exists, otherwise it will ju...
Printing a variable memory address in swift
...essOf cannot be used to take its address (the attempt results in a compile error).
– Stephen Schaub
Jul 25 '16 at 14:50
...
Why is this jQuery click function not working?
...-up overlays and then spent several frustrating hours looking for a script error. Big lesson learnt.
– johnlholden
May 7 '14 at 14:57
...
TypeError: not all arguments converted during string formatting python
...
The error is in your string formatting.
The correct way to use traditional string formatting using the '%' operator is to use a printf-style format string (Python documentation for this here: http://docs.python.org/2/library/str...
When should I use malloc in C and when don't I?
...meMemory = (uint8_t*)malloc(1024);
// Do some stuff
if ( /* some error occured */ ) return -1;
// Do some other stuff
free(someMemory);
return result;
}
Do you see what's wrong with this code? There's a conditional return statement between malloc and free. It might seem oka...
C# equivalent of the IsNull() function in SQL Server
... I tried to use the null-coalescing operator but kept getting the error Operator '??' cannot be applied to operands of type 'bool?' and 'int'. The error was misleading. The problem was that I was trying to assign a an int in the right-hand operand position to a boolean variable. I had to ch...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注IT技能提升
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注IT技能提升
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注IT技能提升
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注IT技能提升
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...