how to generate migration to make references polymorphic
I have a Products table and want to add a column: t.references :imageable, :polymorphic => true I was trying to generate migration for this by doing: $ rails generate migration AddImageableToProducts imageable:references:polymorphic but I am obviously doing it wrong. Can anybody make any suggestion? Thanks When I try to manually put it in after generating the migration, I did it like this: class A
class for jquery ui datepicker button
I have the following code for the jQuery UI datepicker: $(function() { $(".date").datepicker({ showOn: 'button', buttonText: "Choose Date", dateFormat: 'yy-mm-dd' }); }); It creates a button on the side of the text box so people can click the box and select a date. Is it possible to apply a class to the button that is created so I can apply a CSS style to it?
How to vertically align an image inside a div
How can you align an image inside of a containing div? Example In my example, I need to vertically center the <img> in the <div> with class ="frame": <div class="frame" style="height: 25px;"> <img src="http://jsfiddle.net/img/logo.png" /> </div> .frame's height is fixed and the image's height is unknown. I can add new elements in .frame if that's the only solution. I'm trying to do this on Interne
offsetting an html anchor to adjust for fixed header
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With CSS, use "..." for overflowed block of multi-lines
with overflow: hidden; text-overflow: ellipsis; white-space: nowrap; "..." will be shown in the end of the line if overflowed. However, this will be shown only in one line. But I would like it to be shown in multi-lines. It may looks like: +--------------------+ |abcde feg hij dkjd| |dsji jdia js ajid s| |jdis ajid dheu d ...|/*Here it's overflowed, so "..." is shown. */ +--------------------+
cannot set popover bootstrap options using jquery
i have some trouble here... lets say i have a element like this... bootstrap(document).ready(function() { bootstrap('#popinquiry').popover({trigger:'hover'}); }); i using noConflict on my source code.. and then i have a element like this.. <a href='#' id='popinquiry' rel='popover' title='Popover Title'>heree</a> and after i load the page.. the popover was shown, but the trigger i set above doesnt
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