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How do I get Flask to run on port 80?
...rowing up that error message because you have apache2 running on port 80.
If this is for development, I would just leave it as it is on port 5000.
If it's for production either:
Not Recommended
Stop apache2 first;
Not recommended as it states in the documentation:
You can use the builtin...
Cocoa Core Data efficient way to count entities
...ke a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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How do you disable browser Autocomplete on web form field / input tag?
...ion, because the origin of preference for this setting is user agent also known as the web browser. There is a difference between supporting certain behaviour (which HTML 5 attempts to do) and forcing it by deciding on behalf of the user, which you suggest is a "much better solution".
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How can I force users to access my page over HTTPS instead of HTTP?
...e). How do I do this without making the whole directory require HTTPS? Or, if you submit a form to an HTTPS page from an HTTP page, does it send it by HTTPS instead of HTTP?
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Automapper: Update property values without creating a new object
...= new dest
{
//initialize properties
}
_mapper.Map(src, dest);
dest will now be updated with all the property values from src that it shared. The values of its unique properties will remain the same.
Here's the relevant source code
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Why does Python code use len() function instead of a length method?
...eople to implement .len(). Its the same thing, and one looks much cleaner. If the language is going to have an OOP __len__, what in the world is the point of making len(..)
– alternative
Nov 7 '11 at 21:13
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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...重载<操作符了：
bool operator<(const a& a1, const a& a2)
{
if ( a1.m_a>=a2.m_a )
return false;
return true;
}
编译OK，可以使用了。
结论
因此，通过重载<操作符可以使自定义结构支持map容器。
另外的一种方法
下面介...
Can not connect to local PostgreSQL
...
I've added an extra link. As far as I know you can't really have postgresql without the postgresql.conf (even if it's been renamed). Your first task must be to find this.
– Philip Couling
Dec 13 '11 at 13:57
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How to include PHP files that require an absolute path?
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Be careful, this will only ever work if you execute the script via a web server that populates DOCUMENT_ROOT
– Phil
Dec 22 '13 at 23:03
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Why do some functions have underscores “__” before and after the function name?
This "underscoring" seems to occur a lot, and I was wondering if this was a requirement in the Python language, or merely a matter of convention?
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