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Read an Excel file directly from a R script

How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R? ...
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How can I get the Typescript compiler to output the compiled js to a different directory?

I'm fairly new to TypeScript, and right now I have .ts files in several places throughought my project structure: 8 Answers...
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How to get a list of column names on Sqlite3 database?

I want to migrate my iPhone app to a new database version. Since I don't have some version saved, I need to check if certain column names exist. ...
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Why should I avoid multiple inheritance in C++?

Is it a good concept to use multiple inheritance or can I do other things instead? 15 Answers ...
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How do you test to see if a double is equal to NaN?

I have a double in Java and I want to check if it is NaN . What is the best way to do this? 7 Answers ...
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Running a command in a Grunt Task

I'm using Grunt (task-based command line build tool for JavaScript projects) in my project. I've created a custom tag and I am wondering if it is possible to run a command into it. ...
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Install a module using pip for specific python version

On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7. ...
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Why should I use a pointer rather than the object itself?

I'm coming from a Java background and have started working with objects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration: ...
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Wait for page load in Selenium

How do you make Selenium 2.0 wait for the page to load? 47 Answers 47 ...
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T-SQL: Selecting rows to delete via joins

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