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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/

I am trying to do the Michael Hartl tutorial. When I attempt to install rails 3.2.14 in my gemset, I get the following issue: ...
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Android: why is there no maxHeight for a View?

...onMeasure(widthMeasureSpec, heightMeasureSpec); } This might not work in all situations, but it certainly gives me the results needed for my layout. And it also addresses the comment by madhu. If some layout present below the scrollview then this trick wont work – madhu Mar 5 at 4:36 ...
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How to change the order of DataFrame columns?

... @FooBar, the type of cols is list; it even allows duplicates (which will be discarded when used on the dataframe). You are thinking of Index objects. – alexis Feb 28 '17 at 15:19 ...
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How to read the RGB value of a given pixel in Python?

... Fortunately installing PIL is very straightforward in Linux and Windows (don't know about Mac) – heltonbiker Sep 28 '11 at 16:20 ...
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Operator Overloading with C# Extension Methods

...hods to add an operater overload to the C# StringBuilder class. Specifically, given StringBuilder sb , I'd like sb += "text" to become equivalent to sb.Append("text") . ...
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Convert php array to Javascript

...write your own. However, you should also consider upgrading your PHP if at all possible! – Spudley Apr 11 '11 at 9:25 5 ...
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“Comparison method violates its general contract!”

... of the library to detect this and let you know, rather than behave erratically. One way to satisfy the transitivity requirement in compareParents() is to traverse the getParent() chain instead of only looking at the immediate ancestor. ...
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Cast Double to Integer in Java

... just call intValue() then. – hvgotcodes Feb 1 '12 at 19:58 6 ...
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Converting a list to a set changes element order

...ct.fromkeys(x for x in a if x not in b) {2: None, 210: None} b doesn't really need to be ordered here – you could use a set as well. Note that a.keys() - b.keys() returns the set difference as a set, so it won't preserve the insertion order. In older versions of Python, you can use collections....
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)

...eady finished downloading. If the image is not cached or if this code is called before window.onload, a height/width of 0 might be returned. In any case, I've integrated FDisk's idea into the solution above. – Xavi Feb 10 '11 at 2:26 ...