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Workflow for statistical analysis and report writing

...required. Typically this is a short file, reading in data from files, URLs and/or ODBC. Depending on the project at this point I'll either write out the workspace using save() or just keep things in memory for the next step. clean.R: This is where all the ugly stuff lives - taking care of missing v...
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How connect Postgres to localhost server using pgAdmin on Ubuntu?

I installed Postgres with this command 6 Answers 6 ...
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string c_str() vs. data()

I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not. As far as I have seen in actual implementations, they either do the same or data() calls c_str() . ...
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Creating a “logical exclusive or” operator in Java

Java has a logical AND operator. Java has a logical OR operator. Java has a logical NOT operator. 17 Answers ...
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What is the difference between min SDK version/target SDK version vs. compile SDK version?

What are the differences between "min sdk version/target sdk version" and "compile sdk version"? I know what min and target sdk means, but what does compile sdk version mean? ...
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ViewPager PagerAdapter not updating the View

...when you call notifyDataSetChanged(), the view pager will remove all views and reload them all. As so the reload effect is obtained. The second option, suggested by Alvaro Luis Bustamante (previously alvarolb), is to setTag() method in instantiateItem() when instantiating a new view. Then instead o...
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Which machine learning classifier to choose, in general? [closed]

Suppose I'm working on some classification problem. (Fraud detection and comment spam are two problems I'm working on right now, but I'm curious about any classification task in general.) ...
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Android View.getDrawingCache returns null, only null

... I was having this problem also and found this answer: v.setDrawingCacheEnabled(true); // this is the important code :) // Without it the view will have a dimension of 0,0 and the bitmap will be null v.measure(MeasureSpec.makeMeasureSpec(0, Me...
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Exploring Docker container's file system

I've noticed with docker that I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application. ...
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Django rest framework, use different serializers in the same ModelViewSet

I would like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet : 6 A...