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Black transparent overlay on image hover with only CSS?

...mg src="http://i.stack.imgur.com/Sjsbh.jpg" alt="" /> </div> As for the CSS, set optional dimensions on the .image element, and relatively position it. If you are aiming for a responsive image, just omit the dimensions and this will still work (example). It's just worth noting that the dim...
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What is the difference between “git init” and “git init --bare”?

... and git init --bare ? I found that a lot of blog post requires --bare for their Git server? 6 Answers ...
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EditText, clear focus on touch outside

... I tried all these solutions. edc598's was the closest to working, but touch events did not trigger on other Views contained in the layout. In case anyone needs this behavior, this is what I ended up doing: I created an (invisible) FrameLayout called touchInterceptor as the last Vie...
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onActivityResult is not being called in Fragment

...nActivityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first shot at handling the result. This makes sense when you consider the modularity o...
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Automatic Retina images for web sites

... There is a new attribute for the img tag that allows you to add a retina src attribute, namely srcset. No javascript or CSS needed, no double loading of images. <img src="low-res.jpg" srcset="high-res.jpg 2x"> Browser Support: http://caniuse.c...
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How to reverse a singly linked list using only two pointers?

... it gets, and there's no fundamentally-different way of doing it. This algorithm is already O(n) time, and you can't get any faster than that, as you must modify every node. It looks like your code is on the right track, but it's not quite working in the form above. Here's a working version: #in...
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What is the best way to repeatedly execute a function every x seconds?

I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user. ...
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map function for objects (instead of arrays)

...'b': 4, 'c': 6 } But you could easily iterate over an object using for ... in: var myObject = { 'a': 1, 'b': 2, 'c': 3 }; for (var key in myObject) { if (myObject.hasOwnProperty(key)) { myObject[key] *= 2; } } console.log(myObject); // { 'a': 2, 'b': 4, 'c': 6 } ...
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What does OSGi solve?

...don't really see the big picture. It says that it's a component-based platform, and that you can reload modules at runtime. Also the "practical example" given everywhere is the Eclipse Plugin Framework. ...
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Why is there a difference in checking null against a value in VB.NET and C#?

... this case the semantics of a NULL comparison. My personal preference is for the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring t...