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How to iterate over rows in a DataFrame in Pandas

I have a DataFrame from Pandas: 22 Answers 22 ...
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Where do I find the line number in the Xcode editor?

In Xcode 3, the line number of the current cursor location was displayed. I don't see this in Xcode 4. Is there a setting that will turn it on? Or a keypress that will give it to me? ...
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Discard all and get clean copy of latest revision?

I'm moving a build process to use mercurial and want to get the working directory back to the state of the tip revision. Earlier runs of the build process will have modified some files and added some files that I don't want to commit, so I have local changes and files that aren't added to the reposi...
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What does it mean to hydrate an object?

When someone talks about hydrating an object, what does that mean? 4 Answers 4 ...
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How do I hide an element when printing a web page?

I have a link on my webpage to print the webpage. However, the link is also visible in the printout itself. 10 Answers ...
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Creating a new dictionary in Python

I want to build a dictionary in Python. However, all the examples that I see are instantiating a dictionary from a list, etc . .. ...
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Querying DynamoDB by date

I'm coming from a relational database background and trying to work with amazon's DynamoDB 7 Answers ...
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Why does Java's hashCode() in String use 31 as a multiplier?

Per the Java documentation, the hash code for a String object is computed as: 13 Answers ...
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SQL “select where not in subquery” returns no results

Disclaimer: I have figured out the problem (I think), but I wanted to add this issue to Stack Overflow since I couldn't (easily) find it anywhere. Also, someone might have a better answer than I do. ...
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Why do enum permissions often have 0, 1, 2, 4 values?

Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ? 7 Answers ...