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How to get a Docker container's IP address from the host
...r inspect <container id>.
For example:
CID=$(docker run -d -p 4321 base nc -lk 4321);
docker inspect $CID
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/etc/apt/sources.list" E212: Can't open file for writing
...g:
Instead of losing all your changes and re-opening with sudo. See this demo of how to save those changes:
One time Setup demo to create a root owned read only file for a lower user:
sudo touch temp.txt
sudo chown root:root temp.txt
sudo chmod 775 temp.txt
whoami
el
First open the file as nor...
Is it possible to make a div 50px less than 100% in CSS3? [duplicate]
...0px);
width: -moz-calc(100% - 50px);
width: calc(100% - 50px);
}
Demo: http://jsfiddle.net/thirtydot/Nw3yd/66/
This will make your life so much easier. It is currently supported in the 3 main browsers: Firefox, Google Chrome (WebKit), and IE9: http://caniuse.com/calc
MDN: https://develop...
how do I make a single legend for many subplots with matplotlib?
...end
Example here: http://matplotlib.org/examples/pylab_examples/figlegend_demo.html
Another example:
plt.figlegend( lines, labels, loc = 'lower center', ncol=5, labelspacing=0. )
or:
fig.legend( lines, labels, loc = (0.5, 0), ncol=5 )
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CSS/HTML: Create a glowing border around an Input Field
...one;
border-color: #9ecaed;
box-shadow: 0 0 10px #9ecaed;
}
Live demo: http://jsfiddle.net/simevidas/CXUpm/1/show/
(to view the code for the demo, remove "show/" from the URL)
label {
display:block;
margin:20px;
width:420px;
overflow:auto;
font-family:sans-s...
Where is the Keytool application?
...
keytool is part of the standard java distribution.
In a windows 64-bit machine, you would normally find the jdk at
C:\Program Files\Java\jdk1.8.0_121\bin
It is used for managing keys and certificates you can sign things with, in your case, probably a jar file.
If you provide more deta...
How do you get a string to a character array in JavaScript?
...enced as "splat" (e.g. in PHP or Ruby or as "scatter" (e.g. in Python).
Demo
Try before buy
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Centering a view in its superview using Visual Format Language
...with Visual Format Language. Both vertically and horizontally. Here is the demo:
https://github.com/evgenyneu/center-vfl
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Serializing class instance to JSON
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stevehasteveha
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Should IBOutlets be strong or weak under ARC?
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PS: weak is a quite a bit cheaper in ARM64 :D
– hypercrypt
Dec 10 '13 at 22:11
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