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How to iterate over associative arrays in Bash
...sociative array in a Bash script, I need to iterate over it to get the key and value.
4 Answers
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How to continue a Docker container which has exited
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You can restart an existing container after it exited and your changes are still there.
docker start `docker ps -q -l` # restart it in the background
docker attach `docker ps -q -l` # reattach the terminal & stdin
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How do you get the footer to stay at the bottom of a Web page?
I have a simple 2-column layout with a footer that clears both the right and left div in my markup. My problem is that I can't get the footer to stay at the bottom of the page in all browsers. It works if the content pushes the footer down, but that's not always the case.
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How to find elements with 'value=x'?
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@JayMomaya then use the second version with the filter and inside return array_var.includes(this.value)
– Gabriele Petrioli
May 11 '17 at 11:08
add a comme...
git ignore vim temporary files
...le .gitignore the line
*~
Vim also creates swap files that have the swp and swo extensions. to remove those use the lines:
*.swp
*.swo
This will ignore all the vim temporary files in a single project
If you want to do it globally, you can create a .gitignore file in your home (you can give it...
How to run a background task in a servlet based web application?
I'm using Java and I want to keep a servlet continuously running in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet...
Correct way to use StringBuilder in SQL
...I think you've misquoted it, though; surely there aren't quotes around id2 and table?)
Note that the aim (usually) is to reduce memory churn rather than total memory used, to make life a bit easier on the garbage collector.
Will that take memory equal to using String like below?
No, it'll cau...
How do I comment in CoffeeScript? “/* this */” doesn't work
...l/Ruby/... style # comments:
# This comment goes to the end of the line
# and it won't appear in the "compiled"
# JavaScript version.
You use the block style ### comments when you want a comment to appear in the JavaScript version:
Sometimes you'd like to pass a block comment through to the g...
Assert a function/method was not called using Mock
...as not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was NOT called .
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Find difference between timestamps in seconds in PostgreSQL
... It will Subtract arguments, producing a "symbolic" result that uses years and months. It wont give the difference in seconds.
– Igor Romanchenko
Dec 24 '12 at 11:55
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