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CSS: Change image src on img:hover

...t as the background as like div { background: url('http://dummyimage.com/100x100/000/fff'); } div:hover { background: url('http://dummyimage.com/100x100/eb00eb/fff'); } And if you think you can use some javascript code then you should be able to change the src of the img tag as below ...
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

...luminosity, and only modifies the color of the image. For example: becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is used. It's a 4x5 matrix, but what I need to know i...
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What is the MIME type for Markdown?

...fore March 2016, when RFC7763 was still a draft. There is no official recommendation on Gruber’s definition, but the topic was discussed quite heavily on the official mailing-list, and reached the choice of text/x-markdown. This conclusion was challenged later, has been confirmed and can be, I...
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Why do I need Transaction in Hibernate for read-only operations?

...t JDBC will create transaction anyway, it's just it will be working in autocommit=true if different option wasn't set explicitly. But there is no guarantee that your method doesn't write into the database. If you mark method as @Transactional(readonly=true), Spring will set the JDBC transaction into...
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How to use range-based for() loop with std::map?

The common example for C++11 range-based for() loops is always something simple like this: 5 Answers ...
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Basic HTTP and Bearer Token Authentication

...h basic authentication at url: curl -i http://username:password@dev.myapp.com/api/users -H "Authorization: Bearer mytoken123" ^^^^^^^^^^^^^^^^^^ If above one doesn't work, then you have nothing to do with it. So try the following alternates. You can pass the token under another na...
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Is it valid to have a tag inside another tag?

... add a comment  |  10 ...
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Xcode 4 - “Archive” is greyed out?

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How can I send an email by Java application using GMail, Yahoo, or Hotmail?

...mail from my Java application using a GMail account? I have configured my company mail server with Java app to send email, but that's not going to cut it when I distribute the application. Answers with any of using Hotmail, Yahoo or GMail are acceptable. ...
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Swift alert view with OK and Cancel: which button tapped?

...el Logic here") })) presentViewController(refreshAlert, animated: true, completion: nil) As you can see the block handlers for the UIAlertAction handle the button presses. A great tutorial is here (although this tutorial is not written using swift): http://hayageek.com/uialertcontroller-exampl...