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Responsively change div size keeping aspect ratio [duplicate]

When I give an image a percent width or height only it will grow/shrink keeping its aspect ratio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage? ...
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Image Greyscale with CSS & re-color on mouse-over?

... that is colored (and will be a link) and turn it greyscale until the user places their mouse over the icon (where it would then color the image). ...
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Pandoc markdown page break

Recently I started using Pandoc markdown which seems a good alternative to LaTeX, as my document does not have many mathematical formulas, and I do not have ANY experience with LaTeX, which combined with less than 2 week submission deadline makes it a good solution. ...
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The $.param( ) inverse function in JavaScript / jQuery

... You should use jQuery BBQ's deparam function. It's well-tested and documented. share | improve this answer | follow ...
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How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]

How do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in ...
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7

I have read a lot of docs and code that in theory will validate an in-app and/or bundle receipt. 3 Answers ...
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Git stash uncached: how to put away all unstaged changes?

Suppose two set of changes are made in a project versioned by git. One set is staged and the other is not. 4 Answers ...
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missing private key in the distribution certificate on keychain

I have the following problem which I could not find a solution for anywhere. Basically, we have a company developer account (not enterprise) and so in order to submit our app, I requested from our team lead to send me the distribution certificate and create and send me a distribution provisioning pr...
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How to convert URL parameters to a JavaScript object?

... Edit This edit improves and explains the answer based on the comments. var search = location.search.substring(1); JSON.parse('{"' + decodeURI(search).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g,'":"') + '"}') Example Parse ...
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Python equivalent of D3.js

Can anyone recommend a Python library that can do interactive graph visualization? 15 Answers ...