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How do I make an HTML text box show a hint when empty?
...wser that does not support input placeholders, you can use a jQuery plugin called jQuery HTML5 Placeholder, and then just add the following JavaScript code to enable it.
$('input[placeholder], textarea[placeholder]').placeholder();
...
On a CSS hover event, can I change another div's styling? [duplicate]
When I hover over a div or class with an id of "a", can I get the background color of a div or class with the id of "b" to change?
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Booleans, conditional operators and autoboxing
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@Geek - lub() - least upper bound - basically the closest superclass that they have in common; since null (type "the special null type") can be implicitly converted (widened) to any type, you can consider the special null type to be a "superclass" of any type (clas...
How to properly overload the
...rix) {
[...]
}
};
}
The function will be automatically targeted into the surrounding namespace Math (even though its definition appears within the scope of that class) but will not be visible unless you call operator<< with a Matrix object which will make argument dep...
How to set Default Controller in asp.net MVC 4 & MVC 5
...MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with parameters*
new { controller = "Home", action = "Index",
id = UrlParameter.Optional }
);
as the default landing page. You can change that to be any route you wish.
routes.MapRoute(
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Static and Sealed class differences
... a static
class using the new keyword. Static classes are loaded automatically
by the .NET Framework common language runtime (CLR) when the program
or namespace containing the class is loaded.
Sealed Class
A sealed class cannot be used as a base class. Sealed classes are
primarily used...
How to change spinner text size and text color?
In my Android application, I am using spinner, and I have loaded data from the SQLite database into the spinner, and it's working properly. Here is the code for that.
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Plot correlation matrix into a graph
...ike scale_fill_gradient2() achieves the functionality you describe automatically. I didn't know that existed.
– Chase
Mar 28 '11 at 1:52
1
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Git command to display HEAD commit id?
What command can I use to print out the commit id of HEAD?
9 Answers
9
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MySQL COUNT DISTINCT
...
Select
Count(Distinct user_id) As countUsers
, Count(site_id) As countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
...