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Using the RUN instruction in a Dockerfile with 'source' does not work
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Original Answer
FROM ubuntu:14.04
RUN rm /bin/sh && ln -s /bin/bash /bin/sh
This should work for every Ubuntu docker base image. I generally add this line for every Dockerfile I write.
Edit by a concerned bystander
If you want to...
Find out a Git branch creator
...emotes | awk -F "\t" '{ printf "%-32s %-27s %s\n", $1, $2, $3 }' (got idea from stackoverflow.com/a/3631819 - may need to adjust numbers in the awk printf depending on max datetime/author name lengths)
– Gary S. Weaver
Apr 2 '15 at 13:38
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What is the best way to compute trending topics or tags?
...scores.
Please see Wikipedia for more information, about z-scores.
Code
from math import sqrt
def zscore(obs, pop):
# Size of population.
number = float(len(pop))
# Average population value.
avg = sum(pop) / number
# Standard deviation of population.
std = sqrt(sum(((c - ...
How to create a file in Linux from terminal window? [closed]
...le.txt
The file is created, but it's empty and still waiting for the input from the user. You can type any text into the terminal, and once done CTRL-D will close it, or CTRL-C will escape you out.
Simply using > to create a text file: $ > NewFile.txt
Lastly, we can use any text editor name a...
Show DialogFragment with animation growing from a point
... ListView . I'd like to animate the showing of the dialog so that it grows from the center of the row. A similar effect can be seen when opening a folder from the launcher.
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Get user info via Google API
Is it possible to get information from user's profile via Google API? If it is possible, which API should I use?
8 Answers...
Using {} in a case statement. Why?
...ed in the C++ draft standard section 6.1 Labeled statement) and we can see from section 6.7 paragraph 3 that jumping pass a declaration is not allowed in many cases, including those with an initialization:
It is possible to transfer into a block, but not in a way that bypasses declarations with ...
iOS 7 status bar back to iOS 6 default style in iPhone app?
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This is cross-posted from a blog post I wrote, but here is the full rundown on status bars, navigation bars, and container view controllers on iOS 7:
There is no way to preserve the iOS 6 style status bar layout. The status bar will always over...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ay to achieve it is the setTimeout function, look that up to create a loop from which you alter the alpha over time.
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Socket.IO - how do I get a list of connected sockets/clients?
....sockets.clients();
var clients = io.sockets.clients('room'); // all users from room `room`
For a namespace
var clients = io.of('/chat').clients();
var clients = io.of('/chat').clients('room'); // all users from room `room`
Hopes this helps someone in the future
NOTE: This Solution ONLY wor...