55
votes
4
answers
2.7K
views
63
votes
7
answers
2.7K
views
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
2.4K
views
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
answers
1.3K
views
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
answers
1.3K
views
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
views
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
votes
16
answers
1.7K
views
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
answers
2.8K
views
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
504
views
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
736
views
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
views
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
views
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
434
views
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
750
views
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
792
views
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
783
views
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
views
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
904
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"
