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Cannot download Docker images behind a proxy

I installed Docker on my Ubuntu 13.10 (Saucy Salamander) and when I type in my console: 25 Answers ...
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Groovy / grails how to determine a data type?

... To determine the class of an object simply call: someObject.getClass() You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
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How to get the difference between two arrays in JavaScript?

... The fastest way is the most obviously naive solution. I tested all of the proposed solutions for symmetric diff in this thread, and the winner is: function diff2(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) r...
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Class constants in python

In python, I want a class to have some "constants" (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax? Right now I use: ...
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What is the best way to check for Internet connectivity using .NET?

...google.com does not return some HTML :) – Daniel Vassallo Jan 9 '10 at 1:01 3 @Daniel: true on th...
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Combine multiple Collections into a single logical Collection?

...llections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the interna...
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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i

... Just another warning. aes_string does not allow you to use functions to manipulate the x and y values. Say that you would like to log transform y in which case aes_string(x = 'x.values', y='log(y.values)') of course doesn't work. I use these kind of transformations a...
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get path for my .exe [duplicate]

... in visualstudio 2008 you could use this code : var _assembly = System.Reflection.Assembly .GetExecutingAssembly().GetName().CodeBase; var _path = System.IO.Path.GetDirectoryName(_assembly) ; ...
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c++读注册表 - C/C++ - 清泛网 - 专注C/C++及内核技术

c++读注册表直接上代码:CString key;key.Format(_T("Software Microsoft Windows CurrentVersion App Paths xxx"));HKEY hKey;LONG rc = R...直接上代码: CString key; key.Format(_T("Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\xxx")); HKEY hKey; LONG rc = Reg...
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MFC OnKeyDown没反应,不响应键盘操作 - C/C++ - 清泛网 - 专注C/C++及内核技术

...应,通常是通过OnKeyDown函数来完成消息的捕捉和响应。afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, U...在MFC中添加键盘的消息响应,通常是通过OnKeyDown函数来完成消息的捕捉和响应。 afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags); .....