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Unix command-line JSON parser? [closed]
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On Ubuntu/Debian you can just apt install jq.
– Pablo Bianchi
Dec 11 '17 at 17:35
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How do I watch a file for changes?
... Works like a charm with Linux kernel 2.6.31 on an ext4 file system (on Ubuntu 10.04), though only for directories - it raises an IOError "not a directory" if I use it with a file.
– David Underhill
Apr 30 '10 at 0:44
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
....0.0.1. If available, better use hostname -I as recommended by the manual (Ubuntu): "--ip-address Display the network address(es) of the host name. Note that this works only if the host name can be resolved. Avoid using this option; use hostname --all-ip-addresses instead."
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Eclipse ctrl+right does nothing
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On ubuntu 16.4 Welcome screen is blank and there is no way to disable it. Installing libwebkitgtk-3.0-0 as suggested on eclipse site work just partially and no check box are showed.
Last resource: find where are your plugin dir...
Find size of Git repository
.... This command may not be in your $PATH, you may have to track it down (on Ubuntu I found it in /usr/lib/git-core/, for instance).
From the Git man-page:
-v, --verbose
In addition to the number of loose objects and disk space consumed,
it reports the number of in-pack objects,...
Is there an equivalent to background-size: cover and contain for image elements?
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I found it shrink the image in Chrome mobile browser on Android (tested on LG G3 and Samsung S9), I didn't test it with Chrome on iOS, Firefox mobile on Android displayed it correctly.
– Jecko
Mar 5 at 15:12
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Is there a way to keep Hudson / Jenkins configuration files in source control?
...Jenkins configuration.
For this switch into your Jenkins jobs directory (Ubuntu: /var/lib/jenkins/jobs) and perform the “git init” command.
I created the following .gitignore file to store only the Git jobs information:
builds/
workspace/
lastStable
lastSuccessful
nextBuildNumber
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How to add leading zeros?
...not make a difference either. FYI, I am using RStudio Server running on an Ubuntu Server. This little two-step solution worked for me:
gsub(pattern = " ", replacement = "0", x = sprintf(fmt = "%09s", ids[,CUSIP]))
using the %>% pipe function from the magrittr package it could look like this:
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How to go to each directory and execute a command?
... SO
How to enter every directory in current path and execute script? at SE Ubuntu
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Showing all errors and warnings [duplicate]
...to on
display_errors = On
After that, restart your server for Apache on Ubuntu:
sudo /etc/init.d/apache2 restart
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