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Infinite scrolling with React JS
...st adds nodes to the DOM and doesn't remove them. Is there any proven solution with React which will add, remove and maintains constant number of nodes in the DOM.
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Are custom elements valid HTML5?
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The Custom Elements specification is available in Chrome and Opera, and becoming available in other browsers. It provides a means to register custom elements in a formal manner.
Custom elements are new types of DOM elements that can be defined by
authors...
How can I make an svg scale with its parent container?
...,10 20,10 10,0" />
</svg>
Note that by default, the aspect ratio is preserved. So if you specify that the element should have a width of 100%, but a height of 50px, it will actually only scale up to the height of 50px (unless you have a very narrow window):
<svg width="100%" height=...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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You're right. As the official documentation explains:
__autoreleasing to denote arguments that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declara...
Does Redis persist data?
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I suggest you read about this on http://redis.io/topics/persistence . Basically you lose the guaranteed persistence when you increase performance by using only in-memory storing. Imagine a scenario where you INSERT into memory, but before it gets persisted to disk lose p...
switch / pattern matching idea
...e>");
break;
case null:
throw new ArgumentNullException(nameof(shape));
}
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How to unescape HTML character entities in Java?
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The libraries mentioned in other answers would be fine solutions, but if you already happen to be digging through real-world html in your project, the Jsoup project has a lot more to offer than just managing "ampersand pound FFFF semicolon" th...
Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
...n Frameworks. The Importing Code from Within the Same Framework Target section of the Mix & Match apple documentation hints at this. As they say, you need to "In your umbrella header file, import every Objective-C header you want to expose to Swift".
However, I discovered that you may also nee...
How to detect the device orientation using CSS media queries?
In JavaScript the orientation mode can be detected using:
5 Answers
5
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How do I make an attributed string using Swift?
...g" needs to be attached to the numbers so that as the number size and position changes, the "g" "moves" with the numbers. I'm sure this problem has been solved before so a link in the right direction would be helpful as I've googled my little heart out.
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