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I lose my data when the container exits
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sudo docker ps -l
Commit changes to the container:
sudo docker commit <container_id> iman/ping
Then run the container:
sudo docker run iman/ping ping www.google.com
This should work.
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Extension methods must be defined in a non-generic static class
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In one case, I had used public static class IQueryable<T> where T : MyBaseClass which also generates this error. The where T : MyBaseClass phrase belongs on the individual methods without <T> on the static class.
– Bron Davies
Fe...
How to trace the path in a Breadth-First Search?
... if node not in queue :
parent[adjacent] = node # <<<<< record its parent
queue.append(adjacent)
print bfs(graph, '1', '11')
The above codes are based on the assumption that there's no cycles.
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How do I specify a single test in a file with nosetests?
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You must specify it like so: nosetests <file>:<Test_Case>.<test_method>, or
nosetests test_web.py:TestWeb.test_checkout
See the docs
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i...
How to generate a range of numbers between two numbers?
...usands.n BETWEEN @userinput1 AND @userinput2
ORDER BY 1
Demo
A shorter alternative, that is not as easy to understand:
WITH x AS (SELECT n FROM (VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9)) v(n))
SELECT ones.n + 10*tens.n + 100*hundreds.n + 1000*thousands.n
FROM x ones, x tens, x hun...
What is the HEAD in git?
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@e-satis: The general answer is git rebase <branch> HEAD. This will find the last common ancestor of <branch> and HEAD, and then take all the commits from there to HEAD and apply them (rebase them) onto <branch>. It essentially does this by applying t...
How do I find the PublicKeyToken for a particular dll?
...oadfile("c:\MyDLL.dll")).FullName
The output will provide the Version, Culture and PublicKeyToken as shown below:
MyDLL, Version=1.0.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
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Enterprise app deployment doesn't work on iOS 7.1
... my own experience).
Create a download.html file with a link formatted as <a href="itms-services://?action=download-manifest&url=https://dl.dropboxusercontent.com/s/qgknrfngaxazm38/app.plist">INSTALL!!</a>
Upload your download.html to dropbox
Again, get a shared link of download.html...
Convert int to ASCII and back in Python
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If multiple characters are bound inside a single integer/long, as was my issue:
s = '0123456789'
nchars = len(s)
# string to int or long. Type depends on nchars
x = sum(ord(s[byte])<<8*(nchars-byte-1) for byte in range(ncha...
How do I make Vim do normal (Bash-like) tab completion for file names?
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I wish this were the default behavior in vim. I though there was no getting around to full tab completion until I saw this post.
– Neha Karanjkar
Jun 18 '13 at 14:03
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