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How do I exit the Vim editor?
...quit
:wq! to write and quit even if file has only read permission (if file does not have write permission: force write)
:x to write and quit (similar to :wq, but only write if there are changes)
:exit to write and exit (same as :x)
:qa to quit all (short for :quitall)
:cq to quit without saving and...
What is the difference between “expose” and “publish” in Docker?
I'm experimenting with Dockerfiles, and I think I understand most of the logic. However, I don't see the difference between "exposing" and "publishing" a port in this context.
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How can I get color-int from color resource?
...Compat.getColor(context, R.color.your_color);
– Ricardo
Nov 19 '15 at 15:45
15
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“Eliminate render-blocking CSS in above-the-fold content”
... .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the end of the page. That worked great.
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Rails: How does the respond_to block work?
...nController.
it takes a block, which is like a delegate. The block is from do until end, with |format| as an argument to the block.
respond_to executes your block, passing a Responder into the format argument.
http://api.rubyonrails.org/v4.1/classes/ActionController/Responder.html
The Responder ...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Nate C was close, but not quite.
From the docs:
You can evaluate a QuerySet in the following ways:
Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline of all e...
Is the Javascript date object always one day off?
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How do you "specify the correct timezone"? The date constructor always interprets date string as UTC, but then adjusts for timezone. I can even do `new Date('2012-01-02 EDT') and still moves it back to the previous day due to a...
How do I print the type of a variable in Rust?
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If you merely wish to find out the type of a variable and are willing to do it at compile time, you can cause an error and get the compiler to pick it up.
For example, set the variable to a type which doesn't work:
let mut my_number: () = 32.90;
// let () = x; would work too
error[E0308]: mism...
How do I clear/delete the current line in terminal?
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Alt-Shift-# does not work? thought the others do. Alt-Shift-# prints a > character on the terminal
– tgkprog
May 29 '13 at 9:56
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What does `node --harmony` do?
...l makes sense now. Btw. any ideas what is the equivalent of man node in Windows? :)
– jsalonen
Nov 12 '12 at 22:04
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