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What does axis in pandas mean?

Here is my code to generate a dataframe: 21 Answers 21 ...
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Xcode 4.5 Storyboard 'Exit'

I have just installed Xcode 4.5 for iOS6 support, and I have seen a new icon called 'Exit' in my Storyboard, listed under my view controllers along with 'First Responder' etc. A little green icon labeled 'Exit'. ...
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Confused about stdin, stdout and stderr?

I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
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What is Unicode, UTF-8, UTF-16?

What's the basis for Unicode and why the need for UTF-8 or UTF-16? I have researched this on Google and searched here as well but it's not clear to me. ...
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How can I move a tag on a git branch to a different commit?

I created a tag on the master branch called v0.1 like this: 9 Answers 9 ...
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At runtime, find all classes in a Java application that extend a base class

I want to do something like this: 13 Answers 13 ...
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ANTLR: Is there a simple example?

I'd like to get started with ANTLR, but after spending a few hours reviewing the examples at the antlr.org site, I still can't get a clear understanding of the grammar to Java process. ...
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Why is using 'eval' a bad practice?

I am using the following class to easily store data of my songs. 8 Answers 8 ...
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How to sort the letters in a string alphabetically in Python

Is there an easy way to sort the letters in a string alphabetically in Python? 7 Answers ...
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Count rows with not empty value

In a Google Spreadsheet: How can I count the rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with ...