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How to link Docker services across hosts?
...to a specific hostname. The swarm also resolves links across nodes.
In my testing I got the impression that Swarm doesn't yet work with volumes at a fixed location very well (or at least the process of linking them is not very intuitive), so this is something to keep in mind.
Swarm is now in beta...
Two single-column indexes vs one two-column index in MySQL?
...
"MySQL can use multiple-column indexes for queries that test all the columns in the index, or queries that test just the first column, the first two columns, the first three columns, and so on. If you specify the columns in the right order in the index definition, a single composi...
correct way to use super (argument passing)
So I was following Python's Super Considered Harmful , and went to test out his examples.
3 Answers
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Find the nth occurrence of substring in a string
...'s or @Mark Byers' answer should be accepted instead of @bobince's.
In my testing, the version of find_nth() above was the fastest pure Python solution I could come up with (very similar to @Mark Byers' version). Let's see how much better we can do with a C extension module. Here is _find_nthmodule...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
Nice one! Tested and it works for n=3000, so it's probably right. (Pity I'm out of votes today :/)
– moinudin
Jan 5 '11 at 21:21
...
How can I convert byte size into a human-readable format in Java?
...e;
return new DecimalFormat("#,##0.#").format(result) + " " + unit;
}
Test code:
public static void main(final String[] args){
final long[] l = new long[] { 1l, 4343l, 43434334l, 3563543743l };
for(final long ll : l){
System.out.println(convertToStringRepresentation(ll));
}
...
Reconnection of Client when server reboots in WebSocket
...Listener('close', socketCloseListener);
};
socketCloseListener();
// for testing
setTimeout(()=>{
socket.close();
},5000);
Plus https://www.npmjs.com/package/back is already good enough :)
share
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How can I use a local image as the base image with a dockerfile?
... does not work for me - could be a problem with boot2docker? I have latest version 1.3.1 ...Docker does not appear to check locally first (or maybe does not report it) it goes straight to attempting to pull from registry stackoverflow.com/q/27046118/202168
– Anentropic
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Finding what branch a Git commit came from
... command works like a charm:
git name-rev <SHA>
For example (where test-branch is the branch name):
git name-rev 651ad3a
251ad3a remotes/origin/test-branch
Even this is working for complex scenarios, like:
origin/branchA/
/branchB
/commit<SHA1>
...
Highlight label if checkbox is checked
..., such as image galleries. I created the snipped for the people that wanna test.
input[type=checkbox] + label {
color: #ccc;
font-style: italic;
}
input[type=checkbox]:checked + label {
color: #f00;
font-style: normal;
}
<input type="checkbox" id="cb_name" name="cb_name">...