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Run R script from command line

...te that when using R CMD BATCH a.R that instead of redirecting output to standard out and displaying on the terminal a new file called a.Rout will be created. R CMD BATCH a.R # Check the output cat a.Rout One other thing to note about using Rscript is that it doesn't load the methods package by d...
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Use of class definitions inside a method in Java

...a local class. 2 is the easy one: yes, a class file will be generated. 1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method. A typical use would be to create a throw-away impleme...
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Hide separator line on one UITableViewCell

...d, add this line: self.tableView.separatorColor = [UIColor clearColor]; and in cellForRowAtIndexPath: for iOS lower versions if(indexPath.row != self.newCarArray.count-1){ UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)]; line.backgroundColor = [UICol...
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Git, rewrite previous commit usernames and emails

...o a project on Github, however I realized I hadn't set up the proper email and committer full name on the computer I'm currently using to make my commits and therefore the users avatar and email address are not there. ...
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Best Practices: working with long, multiline strings in PHP?

...t of your multiline string. $var EOT; The difference between Heredoc and Nowdoc is that PHP code embedded in a heredoc gets executed, while PHP code in Nowdoc will be printed out as is. $var = "foo"; $text = <<<'EOT' My $var EOT; In this case $text will have the value My $var. N...
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Chained method calls indentation style in Python [duplicate]

... The need for this style becomes more obvious as method names get longer and as methods start taking arguments: return some_collection.get_objects(locator=l5) \ .get_distinct(case_insensitive=True) \ .filter(predicate=query(q5)) \ ...
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How to change UIPickerView height

... have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. 27...
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How to reverse apply a stash?

...esented as a commit whose tree records the state of the working directory, and its first parent is the commit at HEAD when the stash was created," and git stash show -p gives us "the changes recorded in the stash as a diff between the stashed state and its original parent. To keep your other change...
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How to get the first element of an array?

...x of 0. You know what they say about assumption... – Andy Aug 9 '15 at 16:19 16 @Andy There were...
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Allow user to set up an SSH tunnel, but nothing else

... On Ubuntu 11.10, I found I could block ssh commands, sent with and without -T, and block scp copying, while allowing port forwarding to go through. Specifically I have a redis-server on "somehost" bound to localhost:6379 that I wish to share securely via ssh tunnels to ...