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How to list running screen sessions?
...ave in the <pid>.<screen_name> format. This is useful for bash scripts. So if you have a screen with name 0000.NamingConvention it'll literally just return the name of the screens you're looking for in an easy to parse format.
– Elias Ranz
Aug 16 '1...
R and version control for the solo data analyst
... data if it would be a pain to re-acquire. If possible, write and store a script that acquires your data and another that cleans or modifies it rather than storing changes to raw data.
As for learning a version control system, I highly recommend Git and this guide to it.
These websites also have ...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...t will take into account the changed values where as y would not. So while scripting it would be good to use ggplot as if you use qplot all the graphs will be equal to the latest provided references to qplot.
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Can I have an IF block in DOS batch file?
...&& (conditional to errorlevel 0) as command separators.
I fixed a script snippet with this trick, to summarize, I have three batch files, one which calls the other two after having found which letters the external backup drives have been assigned. I leave the first file on the primary exter...
Trigger change event of dropdown
...u are trying to have linked drop downs, the best way to do it is to have a script that returns the a prebuilt select box and an AJAX call that requests it.
Here is the documentation for jQuery's Ajax method if you need it.
$(document).ready(function(){
$('#countrylist').change(function(e){
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if arguments is equal to this string, define a variable like this string
I am doing some bash script and now I got one variable call source and one array called samples , like this:
3 Answers
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Why start a shell command with a backslash?
...at this only applies at an interactive shell. Aliases don't take effect in scripts so it would be unnecessary there.
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When is JavaScript synchronous?
I have been under the impression for that JavaScript was always asynchronous. However, I have learned that there are situations where it is not (ie DOM manipulations). Is there a good reference anywhere about when it will be synchronous and when it will be asynchronous? Does jQuery affect this at...
Getting an “ambiguous redirect” error
The following line in my Bash script
11 Answers
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
Is there a way to programmatically force a Python script to drop into a REPL at an arbitrary point in its execution, even if the script was launched from the command line?
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