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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?

I was going through the release notes for Xcode 4.4 and noticed this: 3 Answers 3 ...
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What does upstream mean in nginx?

...0 Bahrom 4,1522222 silver badges3838 bronze badges answered May 4 '11 at 2:56 Phil LelloPhil Lello ...
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Pandas dataframe get first row of each group

... 248 >>> df.groupby('id').first() value id 1 first 2 first 3 first 4 ...
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Correct mime type for .mp4

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What's the 'Ruby way' to iterate over two arrays at once

... Marc-André Lafortune 70.6k1414 gold badges150150 silver badges162162 bronze badges answered Aug 26 '10 at 22:31 John La RooyJohn...
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Remove leading and trailing spaces?

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Clojure: cons (seq) vs. conj (list)

...ts to insert into a collection, while cons takes just one: (conj '(1 2 3) 4 5 6) ; => (6 5 4 1 2 3) (cons 4 5 6 '(1 2 3)) ; => IllegalArgumentException due to wrong arity Another difference is in the class of the return value: (class (conj '(1 2 3) 4)) ; => clojure.lang.PersistentList ...
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PowerShell script not accepting $ (dollar) sign

... 174 Escape it by using backtick (`) as an escape character for the dollar sign ($). Also, try to en...
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How to set the maxAllowedContentLength to 500MB while running on IIS7?

...ording to MSDN maxAllowedContentLength has type uint, its maximum value is 4,294,967,295 bytes = 3,99 gb So it should work fine. See also Request Limits article. Does IIS return one of these errors when the appropriate section is not configured at all? See also: Maximum request length exceeded ...
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Pandas index column title or name

... 394 You can just get/set the index via its name property In [7]: df.index.name Out[7]: 'Index Title...