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How to add “on delete cascade” constraints?
In PostgreSQL 8 is it possible to add ON DELETE CASCADES to the both foreign keys in the following table without dropping the latter?
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trying to align html button at the center of the my page [duplicate]
I'm trying to align an HTML button exactly at the centre of the page irrespective of the browser used. It is either floating to the left while still being at the vertical centre or being somewhere on the page like at the top of the page etc..
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Where is the documentation for the values() method of Enum?
I declare an enum as :
3 Answers
3
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How do I generate random number for each row in a TSQL Select?
I need a different random number for each row in my table. The following seemingly obvious code uses the same random value for each row.
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How to determine if a string is a number with C++?
I've had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working s...
Regex expressions in Java, \\s vs. \\s+
What's the difference between the following two expressions?
4 Answers
4
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CSS media queries: max-width OR max-height
When writing a CSS media query, is there any way you can specify multiple conditions with "OR" logic?
3 Answers
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How to get scrollbar position with Javascript?
I'm trying to detect the position of the browser's scrollbar with JavaScript to decide where in the page the current view is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating i...
How do I disable a href link in JavaScript?
I have a tag <a href="#"> Previous </a> 1 2 3 4 <a href="#"> Next </a> and in some conditions I want this tag to be completely disabled.
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How remove word wrap from textarea?
my simple textarea doesn't show a horizontal bar when text overflows. It wraps text for a new line. So how do I remove wordwrap and display horizontal bar when text overflows?
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