55
votes
4
answers
2.7K
views
63
votes
7
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2.7K
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Run R script from command line
I have a file, called a.r, it has a chmod of 755, sayHello <- function(){ print('hello') } s
51
votes
16
answers
2.3K
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Can you get the number of lines of code from a GitHub repository?
In a GitHub repository you can see “language statistics”, which displays the percentage of the project tha
57
votes
13
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1.3K
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Error "The input device is not a TTY"
I am running the following command from my Jenkinsfile. However, I get the error "The input device is not a TT
56
votes
18
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1.3K
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How do I edit a file after I shell to a Docker container?
I successfully shelled to a Docker container using: docker exec -i -t 69f1711a205e bash Now I need to edit
54
votes
15
answers
1.7K
views
How can I get a list of user accounts using the command line in MySQL?
I'm using the MySQL command-line utility and can navigate through a database. Now I need to see a list of
60
votes
29
answers
1.5K
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Argument list too long error for rm, cp, mv commands
I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars
55
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16
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1.7K
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How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite. I have tried cp -rf /foo/* /bar, but I am still
66
votes
21
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2.8K
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git replacing LF with CRLF
Running git on a Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare reposi
56
votes
27
answers
501
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have... 09:16:39 AM all 2.00 0.0
58
votes
30
answers
732
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How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command. I want to print the text in a red color. How
65
votes
2
answers
1.2K
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cocktail party algorithm SVD implementation ... in one line of code?
In a slide within the introductory lecture on machine learning by Stanford's Andrew Ng at Coursera, he gi
57
votes
10
answers
1.5K
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Matlab: Running an m-file from command-line
Suppose that; I have an m-file at location:C:\M1\M2\M3\mfile.m And exe file of the matlab is at this locatio
63
votes
1
answers
429
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Azure pipeline custom task - info logs are considered errors
I have developed an azure custom pipeline task (Build and Release) that executes nightwatch.js test cases. nig
62
votes
22
answers
747
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Use grep --exclude/--include syntax to not grep through certain files
I'm looking for the string foo= in text files in a directory tree. It's on a common Linux machine, I
54
votes
16
answers
790
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Count number of lines in a git repository
How would I count the total number of lines present in all the files in a git repository? git ls-files gives
61
votes
14
answers
781
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How to reload .bash_profile from the command line?
How can I reload .bash_profile from the command line? I can get the shell to recognize changes to .bas
59
votes
14
answers
1.1K
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How do I set a variable to the output of a command in Bash?
I have a pretty simple script that is something like the following: #!/bin/bash VAR1="$1" MOREF='sudo r
52
votes
12
answers
1.3K
views
How do I copy a folder from remote to local using scp?
How do I copy a folder from remote to local host using scp? I use ssh to log in my server. Then, I would like
49
votes
16
answers
902
views
frequent issues arising in android view, Error parsing XML: unbound prefix
I have frequent problem in android view, Error parsing XML: unbound prefix on Line 2. <?xml version="1.0"
