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Rails I18n validation deprecation warning
I just updated to rails 4.0.2 and I'm getting this warning:
5 Answers
5
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Docker can't connect to docker daemon
...dd the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker runs with correct permissions.
Start docker.
sudo service docker start
Mac OS X
As Dayel Ostraco says is necessary to add environments variables:
docker-machine start # Start virtual machi...
How to output only captured groups with sed?
...as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
include on...
How to create a directory and give permission in single command
How to create a directory and give permission in single command in Linux?
8 Answers
8
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Global variables in Javascript across multiple files
...pers.js file. Simply create a script tag above the include for helpers.js and define it there.
<script type='text/javascript' >
var myFunctionTag = false;
</script>
<script type='text/javascript' src='js/helpers.js'></script>
...
<script type='text/javascript' ...
Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
...
Disable sorting for a particular column in jQuery DataTables
...argets': [ -1 ], for second 'aTargets': [ 1 ], for third 'aTargets': [ 2 ] and so on.
– Lasang
Mar 20 '13 at 7:19
5
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In what cases could `git pull` be harmful?
I have a colleague who claims that git pull is harmful, and gets upset whenever someone uses it.
5 Answers
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Responsive font size in CSS
... respond to the browser zoom/type size settings, such as if you press Ctrl and + together on the keyboard while in the browser.
Media Queries
You would have to look at using media queries to reduce the font-size at certain intervals where it starts breaking your design and creating scrollbars.
For e...
Using port number in Windows host file
...ws as well as on Unix-like systems). You cannot put port numbers in there, and there is no way to do what you want with generic OS-level configuration - the browser is what selects the port to choose.
So use bookmarks or something like that.
(Some firewall/routing software might allow outbound port...