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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

...SLUCENT); params.gravity = Gravity.TOP | Gravity.LEFT; params.x = 0; params.y = 100; windowManager.addView(chatHead, params); } @Override public void onDestroy() { super.onDestroy(); if (chatHead != null) windowManager.removeView(chatHead); } } Don't forget to st...
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...热点问题的解决思路和实践经验。一些数据 大家还记得2013年的小米秒杀吗?三款小米手机各11万台开卖,走的都是大秒系统,3分钟后成为双十一第一家也是最快破亿的旗舰店。经过日志统计,前端系统双11峰值有效请求约60w以...
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]

... 130 (out of date) Spreadsheet of device metrics. SEE ALSO: Device Metrics - Material Design. Screen...
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How to get enum value by string or int

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Generating PDF files with JavaScript

...g milimeters for units var doc = new jsPDF() doc.text('Hello world!', 10, 10) doc.save('a4.pdf') <script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.5/jspdf.debug.js"></script> share ...
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Convert base class to derived class [duplicate]

... 103 No, there's no built-in way to convert a class like you say. The simplest way to do this would...
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HTML inside Twitter Bootstrap popover

...ntent is read from "data-content" and "title" tags. --> <a tabindex="0" class="btn btn-lg btn-primary" role="button" data-html="true" data-toggle="popover" data-trigger="focus" title="<b>Example popover</b> - title" data-content="<div><b>Examp...
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Get file name from URL

...| edited Oct 28 '16 at 4:10 Nick Grealy 16.7k99 gold badges7777 silver badges9595 bronze badges answered...
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How does Apple find dates, times and addresses in emails?

... +100 They likely use Information Extraction techniques for this. Here is a demo of Stanford's SUTime tool: http://nlp.stanford.edu:8080/...
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How can I make a div not larger than its contents?

... answered Oct 12 '10 at 16:47 user473598user473598 25k11 gold badge1111 silver badges22 bronze badges ...