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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

...行记录操作的并发度,同时也能控制单个商品占用数据库连接的数量,防止热点商品占用太多数据库连接。 数据库层做排队。应用层只能做到单机排队,但应用机器数本身很多,这种排队方式控制并发仍然有限,所以如果能...
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Why should I avoid multiple inheritance in C++?

...ly, it was done for bad reasons, and it will blow back in the face of the maintainer. Summary Consider composition of features, instead of inheritance Be wary of the Diamond of Dread Consider inheritance of multiple interfaces instead of objects Sometimes, Multiple Inheritance is the right thing. I...
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如果携程决心战略性亏损到底,去哪儿怕是只剩一条路可走 - 资讯 - 清泛网 -...

...前并购或收购都是小范围内的小细分市场的战略布局,还无法影响到整个OTA的格局,即使在昨天(5月22日)公布以4亿美元现金收购艺龙股份也是一样,亏损的艺龙已经严重的被边缘化了,尽管携程CEO梁建章在内部邮件表示“艺...
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How to copy files from 'assets' folder to sdcard?

...ssetManager.list(""); } catch (IOException e) { Log.e("tag", "Failed to get asset file list.", e); } if (files != null) for (String filename : files) { InputStream in = null; OutputStream out = null; try { in = assetManager.open(filename); ...
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YouTube API to fetch all videos on a channel

...p;maxResults=20 After that you will receive a JSON with video ids and details, and you can construct your video URL like this: http://www.youtube.com/watch?v={video_id_here} share | improve this...
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git command to show all (lightweight) tags creation dates

... fits my needs: git log --tags --simplify-by-decoration --pretty="format:%ai %d" I've put that command in an alias in my ~/.alias, so now everytime I run gitshowtagbydate I get what I needed. share | ...
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RegEx for matching UK Postcodes

... I can't get this to work in JavaScript. Does it only work with certain regex engines? – NickG Mar 27 '14 at 9:57 13 ...
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VS2012警告未能加载包“Visual C++ package” - C/C++ - 清泛网 - 专注C/C++及内核技术

...加载包“Visual C++ package”安装了windows更新后就出现VS2012无法打开项目的问题,还报各种加载失败。解决方法:到微软官网下载VS2012更新KB2781514,大概1.12MB链接地...安装了windows更新后就出现VS2012无法打开项目的问题,报加载失败...
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cgridctrl 单元格下拉,单元格事件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...数据进行联动,但是这个下拉框是一个CGridCellCombo对象,无法直接为它绑定事件。这时我们可... cgridctrl单元格下拉框选中后,需要根据选中的数据进行联动,但是这个下拉框是一个CGridCellCombo对象,无法直接为它绑定事件。这时...
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如何获取IE (控件)的所有链接(包括Frameset, iframe) - C/C++ - 清泛网 -...

...Frameset, iframe)IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表:CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表: CComPtr<IHTMLElement> body; ......