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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...决方案：使用我浪较新较全的IP库生成能适配maxmind geoip2 api的二进制格式IP库（maxmindDB），再开发logstash-filter-geoip2来解析IP。实测不仅IP解析准确率与公司IP库相同了，解析速度也提高了。
2，然后我们与用户都发现日志接入流...
Removing elements by class name?
...entsByClassName is a live collection. developer.mozilla.org/en-US/docs/Web/API/NodeList
– Veikko Karsikko
Aug 7 '17 at 7:21
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...ol class (CInPlaceNumEdit) is derived from CInPlaceEdit, so other than the API functions listed below, you can use this cell the same as any other editable cell that is available for the MFC Grid.
Important changes to class CInPlaceEdit
There is one small, but very important change that has to be ...
Which websocket library to use with Node.js? [closed]
...almost 32 times the traffic on a single instance.
primus Provides a common API for most of the libraries above for easy switching + stability improvements for all of them.
When to use:
use the basic WebSocket servers when you want to use the native WebSocket implementations on the clientside, be...
Which HTML elements can receive focus?
...uccess, false = failed
Reff:
https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/activeElement
https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus
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Why Doesn't C# Allow Static Methods to Implement an Interface?
... list, a set of vat rates, a list of categories retrieved from an external API) to reduce the DB and external API hits, this would obviously use a static method reset. This allows me to just automate the detection of which classes can be reset. I can still do this, but the method is not enforced or ...
Extract digits from a string in Java
...e characters that are not 0-9 (see docs: download.oracle.com/javase/6/docs/api/java/lang/… )
– Sean Patrick Floyd
Oct 27 '10 at 7:58
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Tracking CPU and Memory usage per process
...ally perfmon is an interface to the underlying Windows Performance Counter API which predates WMI by many years. WMI also exposes the performance counter API within its namespace.
– Rob Walker
Sep 16 '08 at 4:32
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How to get full path of selected file on change of using javascript, jquery-ajax
...ript in browser has no access to the File System, however using HTML5 File API, only Firefox provides a mozFullPath property, but if you try to get the value it returns an empty string:
$('input[type=file]').change(function () {
console.log(this.files[0].mozFullPath);
});
http://jsfiddle.net/...
jQuery - hashchange event
...d using hash links I highly suggest you consider using the HTML5 pushState API instead.
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