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Real life example, when to use OUTER / CROSS APPLY in SQL
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Some uses for APPLY are...
1) Top N per group queries (can be more efficient for some cardinalities)
SELECT pr.name,
pa.name
FROM sys.procedures pr
OUTER APPLY (SELECT TOP 2 *
FROM sys.parameters pa
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Equivalent of LIMIT and OFFSET for SQL Server?
...unctions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. MSSQL2008 R2.
– Paul
Aug 26 '14 at 19:55
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.NET WPF Remember window size between sessions
...ttings file - it should be in the Properties folder. Create five values:
Top of type double
Left of type double
Height of type double
Width of type double
Maximized of type bool - to hold whether the window is maximized or not. If you want to store more information then a different type or structu...
Can an array be top-level JSON-text?
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Yes, an array is legal as top-level JSON-text.
There are three standard documents defining JSON: RFC 4627, RFC 7159 (which obsoletes RFC 4627), and ECMA-404. They differ in which top-level elements they allow, but all allow an object or an array as t...
How to set the margin or padding as percentage of height of parent container?
...he fix is that yes, vertical padding and margin are relative to width, but top and bottom aren't.
So just place a div inside another, and in the inner div, use something like top:50% (remember position matters if it still doesn't work)
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Targeting position:sticky elements that are currently in a 'stuck' state
...now, so you can make a menu bar scroll with the page but then stick to the top of the viewport whenever the user scrolls past it.
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Height equal to dynamic width (CSS fluid layout) [duplicate]
...ay: inline-block;
position: relative;
width: 50%;
}
#dummy {
margin-top: 75%;
/* 4:3 aspect ratio */
}
#element {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: silver/* show me! */
}
<div id="container">
<div id="dummy"></div>
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Algorithm to find top 10 search terms
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+1. Streaming algorithms is exactly the topic here, and Muthu's book (the only book written so far, AFAIK) is great.
– ShreevatsaR
Jul 16 '10 at 0:26
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Real mouse position in canvas [duplicate]
... return {
x: evt.clientX - rect.left,
y: evt.clientY - rect.top
};
}
Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions.
As the mouse position you are getting is relative to the client window you'll hav...
Bootstrap modal: background jumps to top on toggle
...a page, that toggles the modal. When the modal shows up, the page jumps to top.
29 Answers
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