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How to change MySQL column definition?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Datatype for storing ip address in SQL Server
...ip, 4, 1) AS INTEGER) AS VARCHAR(3) );
RETURN @str
END;
go
Here's a demo of how to use them:
SELECT dbo.fnBinaryIPv4('192.65.68.201')
--should return 0xC04144C9
go
SELECT dbo.fnDisplayIPv4( 0xC04144C9 )
-- should return '192.65.68.201'
go
Finally, when doing lookups and compares, always u...
Transitions on the CSS display property
...as a workaround.
Example Code (you can apply it to your menu accordingly) Demo:
Add the following CSS to your stylesheet:
@-webkit-keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
Then apply the fadeIn...
How to detect DIV's dimension changed?
...ass ResizeSensor which can be used for resize detection. It uses an event-based approach, so it's damn fast and doesn't waste CPU time.
Example:
new ResizeSensor(jQuery('#divId'), function(){
console.log('content dimension changed');
});
Please do not use the jQuery onresize plugin as it u...
How to get the seconds since epoch from the time + date output of gmtime()?
...
647
Use the time module:
epoch_time = int(time.time())
...
Meaning of -
... encoding used and there are many different encodings.
Most encodings are based on an old character set and encoding called ASCII which is a single byte per character (actually, only 7 bits) and contains 128 characters including a lot of the common characters used in US English.
For example, here ...
What is a “cache-friendly” code?
...a major improvement in computational complexity to justify data structures based on small nodes joined by pointers.
Second, we want information that will be processed together also located together. A typical cache works in "lines", which means when you access some information, other information at ...
Creating a dynamic choice field
...'s always worth trying to use ModelForm when you need to create/change database objects. Works in 95% of the cases and it's much cleaner than creating your own implementation.
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Generic type conversion FROM string
...{
public T TypedValue
{
get { return (T)Convert.ChangeType(base.Value, typeof(T)); }
set { base.Value = value.ToString();}
}
}
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Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
We use Spring Boot/MVC with annotation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses.
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