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Best practice for nested fragments in Android 4.0, 4.1 (

I'm writing an app for 4.0 and 4.1 tablets, for which I do not want to use the support libraries (if not needed) but the 4.x api only therefore. ...
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Contributing to project on github, how to “rebase my pull request on top of master”

Ok so I an contributing to a project on github. The project on github is upstream , my forked repo on github is origin , and my local repo on my computer. ...
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How to copy Java Collections list

I have an ArrayList and I want to copy it exactly. I use utility classes when possible on the assumption that someone spent some time making it correct. So naturally, I end up with the Collections class which contains a copy method. ...
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sed beginner: changing all occurrences in a folder

I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that? ...
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How to copy an object in Objective-C

I need to deep copy a custom object that has objects of its own. I've been reading around and am a bit confused as to how to inherit NSCopying and how to use NSCopyObject. ...
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Running shell command and capturing the output

I want to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line. ...
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SQLAlchemy: Creating vs. Reusing a Session

Just a quick question: SQLAlchemy talks about calling sessionmaker() once but calling the resulting Session() class each time you need to talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do ...
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Understanding Canvas and Surface concepts

I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android. ...
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What is git actually doing when it says it is “resolving deltas”?

During the first clone of a repository, git first receives the objects (which is obvious enough), and then spends about the same amount of time "resolving deltas". What's actually happening during this phase of the clone? ...
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Git: show more context when using git add -i or git add -e?

I'm selectively committing parts of a large file and I'd like to see more context around each hunk. Is this possible? 2 Ans...