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R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
I'm struggling with the different R executables. What exactly is the difference between R.exe (with or without CMD BATCH option), Rcmd.exe, Rscript.exe and Rterm.exe when running command line in a batch file?
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Stop on first error [duplicate]
...scripts.html#id2382181:
This tells bash that it should exit the script if any statement returns a non-true return value. The benefit of using -e is that it prevents errors snowballing into serious issues when they could have been caught earlier. Again, for readability you may want to use set -o ...
Ruby array to string conversion
...duce the correct output - the values needs to be wrapped in single quotes. If this was the desired output then string_arr.join(",") would be the better option.
– Sean Cameron
Jun 13 '13 at 7:02
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Javascript: How to generate formatted easy-to-read JSON straight from an object? [duplicate]
I know how to generate JSON from an object using JSON.stringify, or in my case the handy jquery-json from google code ( https://github.com/krinkle/jquery-json ).
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Show git diff on file in staging area [duplicate]
...You can show changes that have been staged with the --cached flag:
$ git diff --cached
In more recent versions of git, you can also use the --staged flag (--staged is a synonym for --cached):
$ git diff --staged
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How to view hierarchical package structure in Eclipse package explorer
...t does not appear in the Java perspective with the package explorer. Also, if you have some working sets, then can cause havoc with the feature - making projects vanish in weird ways.
– user2163960
Mar 29 '17 at 21:56
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How to switch databases in psql?
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Use below statement to switch to different databases residing inside
your postgreSQL RDMS
\c databaseName
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How to Uninstall RVM? [duplicate]
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Also make sure to close (and re-open if needed) the terminal afterwards.
– PedroC88
Feb 4 '11 at 4:03
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How to disable manual input for JQuery UI Datepicker field? [duplicate]
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If you add 'background-color: #fff !important; cursor: text !important;' it'll look totally normal...
– s.alem
Aug 5 '14 at 12:51
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How do I update the element at a certain position in an ArrayList? [duplicate]
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arrList.set(5,newValue);
and if u want to update it then add this line also
youradapater.NotifyDataSetChanged();
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