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There is already an open DataReader associated with this Command which must be closed first

... I have had this error so many times now... and every time I forget! The answer to the question is always to use ToList(). – Cheesus Toast Jul 21 '15 at 19:24 ...
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Sorting object property by values

...ing exactly what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of elements in a JavaScript object. var objSorted = {} sortable.forEach(function(ite...
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Can I safely delete contents of Xcode Derived data folder?

...oject's data individually. So I stand by my previous comment, though I've now implemented William's alias in my .bashrc. – gone Jun 19 '16 at 9:42 ...
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How to find elements by class

... @pyCthon See answer for @jmunsch, BS now supports class_ which works properly. – Wernight Oct 6 '14 at 9:47 30 ...
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Difference between numpy.array shape (R, 1) and (R,)

... 1. The meaning of shapes in NumPy You write, "I know literally it's list of numbers and list of lists where all list contains only a number" but that's a bit of an unhelpful way to think about it. The best way to think about NumPy arrays is that they consist of two parts, ...
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Javascript trick for 'paste as plain text` in execCommand

... Seems now that the problem I had was due to calling your script from a file which was itself loaded by a script. I can't paste into neither textarea nor input in your fiddle in FF 47.0.1 (can do it in chrome), but can paste into di...
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Hide hidden(dot) files in github atom editor

...gs" button of this package and then check the "Hide Ignored Names" choice. Now go to Edit > Preferences > Core . In the Ignored Names box enter .* this will hide all the files/folders which are usually hidden in other file explorers. If you want to hide normal files/folders just add them to ...
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?

...A VALUE(although 2147483648L is) in Java. The compiler literally does not know what it is, or how to use it. So it whines. 1024 is a valid int in Java, and a valid int multiplied by another valid int, is always a valid int. Even if it's not the same value that you would intuitively expect because t...
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R programming: How do I get Euler's number?

... The fact that 25000 people have visited this page without complaint until now suggests to me that many people read "Euler's constant" to mean e, and if you change the title, future searchers will fail to find this page. Also, glancing at wikipedia, it seems this reading of "Euler's constant" is qui...
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Make the current Git branch a master branch

...time they want to pull, else git will try to merge the changes into their (now) divergent local. The dangers of this are explained more in this answer – 7yl4r Mar 27 '17 at 14:56 ...