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What does Docker add to lxc-tools (the userspace LXC tools)?
...or that matter) An image is built out of a list of layers, each applied in order; layers can be cleaned up (and I think they automatically are cleaned up by docker itself) when no longer needed; i.e., when all referencing images have been deleted.
– codermonkeyfuel
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How to get JSON from webpage into Python script
...pen(url).read() is a bytes object. So one has to get the file encoding in order to make it work in Python 3.
In this example we query the headers for the encoding and fall back to utf-8 if we don't get one. The headers object is different between Python 2 and 3 so it has to be done different ways....
How do I make JavaScript beep?
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This accepted answer is out of date. In order for it to work, you have to change the embed to a modern day HTML5 audio element or you will get "sound.Play is not a function"
– Britton Pentakill
Jul 4 '19 at 23:53
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Xcode 4.5 Storyboard 'Exit'
...ed view controller, as opposed to all the work you had to do previously in order to hand info back and forth (the stuff in the template with a delegate and a protocol, all of which can now be deleted).
share
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Compare given date with today
...:00:00";
if ($date < $today) {}
That's the beauty of that format: it orders nicely. Of course, that may be less efficient, depending on your exact circumstances, but it might also be a whole lot more convenient and lead to more maintainable code - we'd need to know more to truly make that judg...
Understanding the difference between __getattr__ and __getattribute__
...est' superclass (formally, the next class in the class's Method Resolution Order, or MRO) to the current object self and then calls it and lets that do the work.
All of this trouble is avoided by using __getattr__ which lets Python do it's normal thing until an attribute isn't found. At that point,...
How to add a changed file to an older (not last) commit in Git
...squash will automatically put any --fixup=OLDCOMMIT commits in the desired order. Note that --autosquash is only valid when the --interactive option is used.
The ^ in OLDCOMMIT^ means it's a reference to the commit just before OLDCOMMIT.
The above steps are good for verification and/or modifying t...
Select random lines from a file
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If you just need a random set of lines, not in a random order, then shuf is very inefficient (for big file): better is to do reservoir sampling, as in this answer.
– petrelharp
Sep 6 '15 at 23:24
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Simple proof that GUID is not unique [closed]
...On sale, $0.01 per 1k GUIDs. I'll throw in some bamboo wind chimes if you order in the next 60 minutes.
– ctacke
Nov 10 '09 at 5:31
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Spring Boot application as a Service
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For a proper boot sequence you might want to add ordering statements to the [Unit] section, e.g. After=mysql.service, Before=apache2.service.
– rustyx
Jan 25 at 9:41
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