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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
浅谈TCP优化很多人常常对TCP优化有一种雾里看花的感觉，实际上只要理解了TCP的运行方式就能掀开它的神秘面纱。Ilya Grigorik在「High Performance B...很多人常常对TCP优化有一种雾里看花的感觉，实际上只要理解了TCP的运行方式就能...
苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
...浪手机讯 6月9日凌晨消息，2015年苹果全球开发者大会(WWDC 2015)在美国旧金山正式开幕，本届主题为the epicenter of change(变革的 新浪手机讯 6月9日凌晨消息，2015年苹果全球开发者大会(WWDC 2015)在美国旧金山正式开幕，本届主题为“...
Are members of a C++ struct initialized to 0 by default?
I have this struct :
8 Answers
8
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What platforms have something other than 8-bit char?
Every now and then, someone on SO points out that char (aka 'byte') isn't necessarily 8 bits .
12 Answers
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mongo - couldn't connect to server 127.0.0.1:27017
...abase which is obviously a terrible idea unless you have security and auth setup. I believe MongoDB has no users or password by default, so you need to be aware of that.
– agm1984
Jun 27 '17 at 17:19
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Find where java class is loaded from
Does anyone know how to programmaticly find out where the java classloader actually loads the class from?
11 Answers
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互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...数据造假“痛心疾首”。
无独有偶，联想集团董事长兼CEO杨元庆在今年3月同样公开指出，IT产业与互联网产业存在很大诚信问题，出现严重的数据造假，甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志...
pandas dataframe columns scaling with sklearn
I have a pandas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works:
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How to get the first non-null value in Java?
Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables?
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Just what is Java EE really? [closed]
...more technical perspective, the Java Enterprise Edition standard defines a set of APIs commonly used for building enterprise applications. These APIs are implemented by application servers - and yes, different application servers are at liberty to use different implementations of the Java EE APIs.
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