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Targeting position:sticky elements that are currently in a 'stuck' state

...an intersection observer to notify when elements with the class * `.sticky_sentinel--top` become visible/invisible at the top of the container. * @param {!Element} container */ function observeHeaders(container) { const observer = new IntersectionObserver((records, observer) => { for (co...
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Why would I ever use push_back instead of emplace_back?

...ob is to generate the code you wrote. The optimizing compiler's job is actually to generate the code you would have written if you were an expert on platform-specific optimizations and did not care about maintainability, just performance. The actual difference between these two statements is that t...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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How to handle static content in Spring MVC?

...ping a webapp using Spring MVC 3 and have the DispatcherServlet catching all requests to '/' like so (web.xml): 23 Answer...
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How do I convert a String to an InputStream in Java?

...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8)); Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8. For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8". ...
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What is the difference between decodeURIComponent and decodeURI?

... URI parts. encodeURI in less common, and misleadingly named: it should really be called fixBrokenURI. It takes something that's nearly a URI, but has invalid characters such as spaces in it, and turns it into a real URI. It has a valid use in fixing up invalid URIs from user input, and it can also...
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How do I create a WPF Rounded Corner container?

...bject (BorderThickness or CornerRadius) you can specify a single number if all 4 are the same, such as CornerRadius="8". – Santiago Palladino Sep 23 '08 at 13:14 3 ...
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jQuery `.is(“:visible”)` not working in Chrome

...n appended to a document since it depends on the applicable styles. All option elements are considered hidden, regardless of their selected state. During animations that hide an element, the element is considered visible until the end of the animation. During animations to show an ...
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delegate keyword vs. lambda notation

... If you specify an anonymous method without specifying a parameter list at all it is compatible with any delegate type returning void and without any out parameters. Armed with this knowledge, we should be able to construct two overloads to make the expressions completely unambiguous but very differ...
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How to do a Jquery Callback after form submit?

... And if the <form> is submited usually ? (I mean not with Ajax) What can I put in the first argument of .bind() ? EDIT : well, I guess click. Nvm, sorry. :p – 4wk_ Feb 4 '13 at 13:32 ...