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What is the relationship between the docker host OS and the container base image OS?
...e right question... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the contai...
Docker: adding a file from a parent directory
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You can build the Dockerfile from the parent directory:
docker build -t <some tag> -f <dir/dir/Dockerfile> .
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How to change highlighted occurrences color in Eclipse's sidebar?
...the text editor and place a faint bar in the right ruler to show you the location of other occurrences in the file.
6 Answe...
Android: Create spinner programmatically from array
I'm all new to Android and I'm trying to create a spinner programmatically and feeding it with data from an array, but Eclipse gives me a warning that I can't handle.
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@Basic(optional = false) vs @Column(nullable = false) in JPA
...ordon Yorke (EclipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at which they
are evaluated. Th...
curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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querySelector, wildcard element match?
Is there a way to do a wildcard element name match using querySelector or querySelectorAll ? I see support for wildcards in attribute queries but not for the elements themselves.
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ERROR: permission denied for sequence cities_id_seq using Postgres
...d nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with:
GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO www;
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find -exec cmd {} + vs | xargs
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Speed difference will be insignificant.
But you have to make sure that:
Your script will not assume that no
file will have space, tab, etc in
file name; the first version is
safe, the second is not.
Your script will not treat a file starting with "-" as an...
Using numpad in Vi (Vim) via PuTTY
... the configuration, go to Terminal->Features and check "Disable
application keypad mode". Save the settings and enjoy a numeric pad
that works!
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