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How to generate a Dockerfile from an image?
...ository/docker/alpine/dfimage
below is the old answer, it doesn't work any more.
$ docker pull centurylink/dockerfile-from-image
$ alias dfimage="docker run -v /var/run/docker.sock:/var/run/docker.sock --rm centurylink/dockerfile-from-image"
$ dfimage --help
Usage: dockerfile-from-image.rb [options]...
How can I create download link in HTML?
...lking about. (It is now safe to use the approach described TIIUNDER's much more recent answer below, though. It should get the accept mark.)
– Pekka
Dec 25 '14 at 23:51
...
Elegant Python function to convert CamelCase to snake_case?
...le(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).lower()
To handle more advanced cases specially (this is not reversible anymore):
def camel_to_snake(name):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()
print(camel_to_snake(...
Benefits of EBS vs. instance-store (and vice-versa) [closed]
...tore for my instances on Amazon EC2. If anything, it seems that EBS is way more useful (stop, start, persist + better speed) at relatively little difference in cost...? Also, is there any metric as to whether more people are using EBS now that it's available, considering it is still relatively new?
...
What is lexical scope?
... found. Arak's example is nice, but may be too short for someone who needs more examples (actually, comparing with other languages..). Take a look. It is important to understand this, as that keyword will lead us to understand lexical scope. howtonode.org/what-is-this
– CppLear...
warning about too many open figures
...res with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
...
Is there any sed like utility for cmd.exe? [closed]
...s:
get-content somefile.txt | %{$_ -replace "expression","replace"}
For more detail see Zain Naboulsis blog entry.
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Filename too long in Git for Windows
...s://docs.microsoft.com/en-us/windows/desktop/fileio/naming-a-file has some more information:
Starting in Windows 10, version 1607, MAX_PATH limitations have been
removed from common Win32 file and directory functions. However, you
must opt-in to the new behavior.
A registry key allows y...
Why does C++ not have reflection?
...ying C++.
Why should my code carry around
metadata if I may never need it?
Moreover, the addition of metadata
may inhibit the compiler from
optimizing. Why should I pay that
cost in my code if I may never need
that metadata?
Which leads us to another big point:
C++ makes very few guarantees
about th...
How to programmatically disable page scrolling with jQuery
... || document.body.scrollTop
];
var html = jQuery('html'); // it would make more sense to apply this to body, but IE7 won't have that
html.data('scroll-position', scrollPosition);
html.data('previous-overflow', html.css('overflow'));
html.css('overflow', 'hidden');
window.scrollTo(scrollPosition[0], ...