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How to get URL parameter using jQuery or plain JavaScript?
...Thanks! But when copying this, I found a nasty surprise, involving a zero-width whitespace (\u200b) towards the end there. Making the script have an invisible syntax error.
– Christofer Ohlsson
Aug 12 '14 at 8:54
...
Button background as transparent
...
To make a background transparent, just do android:background="@android:color/transparent".
However, your problem seems to be a bit deeper, as you're using selectors in a really weird way. The way you're using it seems wrong, although if it actually works, you should be p...
When to use self over $this?
... echo 'Y::foo()';
}
}
$x = new Y();
$x->bar();
?>
The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with se...
Do while loop in SQL Server 2008
...uted
BREAK;
END
GO
ResultSet:
1
2
3
4
5
But try to avoid loops at database level.
Reference.
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How do you connect to multiple MySQL databases on a single webpage?
...ect_db('database2', $dbh2);
Then to query database 1 pass the first link identifier:
mysql_query('select * from tablename', $dbh1);
and for database 2 pass the second:
mysql_query('select * from tablename', $dbh2);
If you do not pass a link identifier then the last connection created is used...
Elegant ways to support equivalence (“equality”) in Python classes
...
Consider this simple problem:
class Number:
def __init__(self, number):
self.number = number
n1 = Number(1)
n2 = Number(1)
n1 == n2 # False -- oops
So, Python by default uses the object identifiers for comparis...
Check image width and height before upload with Javascript
...bjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revokeObjectURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few browsers. M...
What is the HTML tabindex attribute?
...…, "The tabindex attribute, if specified, must have a value that is a valid integer".
– Mark Amery
Mar 26 '17 at 20:46
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Make a link use POST instead of GET
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You create a form with hidden inputs that hold the values to be posted, set the action of the form to the destination url, and the form method to post. Then, when your link is clicked, trigger a JS function that submits the form.
See here, for an e...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...lan. Stored procedures will, generally, store this in memory so you can avoid this overhead.
Still an advantage?
Most DBMS' (the latest editions) will cache the query plans for INDIVIDUAL SQL statements, greatly reducing the performance differential between stored procs and ad hoc SQL. There are s...