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How do I make JavaScript beep?

... I wrote a function to beep with the new Audio API. var beep = (function () { var ctxClass = window.audioContext ||window.AudioContext || window.AudioContext || window.webkitAudioContext var ctx = new ctxClass(); return function (duration, type, finishedCallb...
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Java Enum definition

...ll be asking yourself what the point of this is :) Well, it means that the API for Enum can refer to itself - for instance, being able to say that Enum<E> implements Comparable<E>. The base class is able to do the comparisons (in the case of enums) but it can make sure that it only compa...
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Notifier 通知扩展:功能强大的Android通知管理工具,支持通知通道、意图、...

... 16)中无法检查。 关于通知通道 随着API级别26(版本 Oreo 8.0),Android引入了通知通道概念,在某些设备上也称为通知类别。所有通知都必须分配一个通道。 通知概念相当复杂。Android允许在设备级别、通道级...
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Persistence unit as RESOURCE_LOCAL or JTA?

...er to a unit of type RESOURCE_LOCAL You must use the EntityTransaction API to begin/commit around every call to your EntityManger Calling entityManagerFactory.createEntityManager() twice results in two separate EntityManager instances and therefor two separate PersistenceContexts/Caches....
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C++ Exceptions questions on rethrow of original exception

... MWE on GitHub, where a backtrace would look something like this: Library API: Exception caught in function 'api_function' Backtrace: ~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed ~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"...
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Load and execute external js file in node.js with access to local variables?

... + circle.area(4)); This code was extracted from node.js documentation API: http://nodejs.org/docs/v0.3.2/api/modules.html Also, if you want to use something like Rails or Sinatra, I recommend Express (I couldn't post the URL, shame on Stack Overflow!) ...
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How to set cookie in node js using express framework?

...t a cookie: res.cookie('cookie', 'monster') https://expressjs.com/en/4x/api.html#res.cookie Read a cookie: (using cookie-parser middleware) req.cookies['cookie'] https://expressjs.com/en/4x/api.html#req.cookies share...
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Core pool size vs maximum pool size in ThreadPoolExecutor

...For a fuller explanation, get it from the horses mouth: ThreadPoolExecutor API documentation. There is a really good forum post which talks you through the way that the ThreadPoolExecutor works with code examples: http://forums.sun.com/thread.jspa?threadID=5401400&tstart=0 More info: http://fo...
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Generate pdf from HTML in div using Javascript

...lt;/title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <script type="text/javascript"> $("#btnPrint").live("click", function () { var divContents = $("#dvContainer").html(); ...
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Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view

... I've noticed that I have to do the same when working with API controllers. This answer was written 4 years ago though, before API controllers existed. – Craig M Mar 12 '15 at 22:16 ...