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Check for installed packages before running install.packages() [duplicate]
I have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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Getting command-line password input in Python
... know how in Linux when you try some Sudo stuff it tells you to enter the password and, as you type, nothing is shown in the terminal window (the password is not shown)?
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Opening Vim help in a vertical split window
Is there a way to get Vim help to open in a vertical split pane rather than a horizontal one?
10 Answers
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What to return if Spring MVC controller method doesn't return value?
I am using jQuery's $.getJSON() to make asynchronous calls to my simple Spring MVC backend. Most of the Spring controller methods look like this:
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Linux c++ error: undefined reference to 'dlopen'
I work in Linux with C++ (Eclipse), and want to use a library.
Eclipse shows me an error:
10 Answers
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Android file chooser [closed]
I want to make a file uploader. And I hence I need a file chooser but I don't want to write this by myself. I find OI file manager and I think it suits me.
But how can I force user to install OI file manager?
If I cannot , is there a better way to include a file manager in my app?
Thx
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How to implement history.back() in angular.js
I have directive which is site header with back button and I want on click to go back to the previous page. How do I do it in the angular way?
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How to download a file from a URL in C#?
What is a simple way of downloading a file from a URL path?
11 Answers
11
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Git hangs while writing objects
I'm trying to git push -u origin master And it just hangs at
9 Answers
9
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How to delete all the rows in a table using Eloquent?
My guess was to use the following syntax:
13 Answers
13
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