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What is the best way to detect a mobile device?

Is there a way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device. ...
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Zoom in on a point (using scale and translate)

... The better solution is to simply move the position of the viewport based on the change in the zoom. The zoom point is simply the point in the old zoom and the new zoom that you want to remain the same. Which is to say the viewport pre-zoomed and...
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jQuery event for images loaded

Is it possible to detect when all images are loaded via a jQuery event? 14 Answers 14 ...
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What is the difference between “AS” and “IS” in an Oracle stored procedure?

I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword. 6 Answers ...
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Easiest way to flip a boolean value?

I just want to flip a boolean based on what it already is. If it's true - make it false. If it's false - make it true. 13 A...
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Is there a limit on how much JSON can hold?

I am using jquery, JSON, and AJAX for a comment system. I am curious, is there a size limit on what you can send through/store with JSON? Like if a user types a large amount and I send it through JSON is there some sort of maximum limit? ...
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Generating a random password in php

... Security warning: rand() is not a cryptographically secure pseudorandom number generator. Look elsewhere for generating a cryptographically secure pseudorandom string in PHP. Try this (use strlen instead of count, because count on a string is alway...
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What are DDL and DML?

... More information see here: MySQL What is DDL, DML and DCL?, the original is as follows: DDL DDL is short name of Data Definition Language, which deals with database schemas and descriptions, of how the data should reside in the database. CREA...
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PHP “php://input” vs $_POST

... when interacting with Ajax requests from JQuery. What I do not understand is the benefits of using this vs the global method of $_POST or $_GET . ...
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Download and open PDF file using Ajax

I have an action class that generates a PDF. The contentType is set appropriately. 15 Answers ...