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Can javax.persistence.Query.getResultList() return null?

And if so, under what circumstances? 7 Answers 7 ...
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Vim: faster way to select blocks of text in visual mode

I have been using vim for quite some time and am aware that selecting blocks of text in visual mode is as simple as SHIFT + V and moving the arrow key up or down line-by-line until I reach the end of the block of text that I want selected. ...
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What is your most productive shortcut with Vim?

I've heard a lot about Vim , both pros and cons. It really seems you should be (as a developer) faster with Vim than with any other editor. I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim. ...
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Initial size for the ArrayList

You can set the initial size for an ArrayList by doing 15 Answers 15 ...
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How do I force git pull to overwrite everything on every pull?

I have a CENTRAL bare repository that has three developer repositories pulling and pushing to it normally. 7 Answers ...
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Uses of Action delegate in C# [closed]

I was working with the Action Delegates in C# in the hope of learning more about them and thinking where they might be useful. ...
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Given a URL to a text file, what is the simplest way to read the contents of the text file?

In Python, when given the URL for a text file, what is the simplest way to access the contents off the text file and print the contents of the file out locally line-by-line without saving a local copy of the text file? ...
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How to compare versions in Ruby?

How to write a piece of code to compare some versions strings and get the newest? 8 Answers ...
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Convert list to dictionary using linq and not worrying about duplicates

I have a list of Person objects. I want to convert to a Dictionary where the key is the first and last name (concatenated) and the value is the Person object. ...
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How to get root access on Android emulator?

I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD). ...