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Docker - how can I copy a file from an image to a host?
...ckerfile that fetches dependencies, compiles a build artifact from source, and runs an executable. I also want to copy the build artifact (in my case it's a .zip produced by sbt dist in '../target/`, but I think this question also applies to jars, binaries, etc.
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How to merge YAML arrays?
I would like to merge arrays in YAML, and load them via ruby -
5 Answers
5
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Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
When I start my app in portrait mode, it works fine. Then I rotate into landscape and it's scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice, first to zoom all the way in (the normal double tap behavior) and again to zoom all the way out (again, ...
Why is require_once so bad to use?
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require_once and include_once both require that the system keeps a log of what's already been included/required. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment th...
How do you configure an OpenFileDialog to select folders?
...owserDialog, but I've never really liked that dialog. It starts too small and doesn't let me take advantage of being able to type a path.
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What's the best way to build a string of delimited items in Java?
...,char)
Java 8:
Java 8 provides joining out of the box via StringJoiner and String.join(). The snippets below show how you can use them:
StringJoiner
StringJoiner joiner = new StringJoiner(",");
joiner.add("01").add("02").add("03");
String joinedString = joiner.toString(); // "01,02,03"
Str...
Why does git revert complain about a missing -m option?
So I'm working on a project with other people, and there's multiple github forks being worked on. Someone just made a fix for a problem and I merged with his fork, but then I realized that I could find a better solution. I want to revert the commit I just made. I tried doing this with git revert HE...
Download and open PDF file using Ajax
...sarily have chosen Ajax for this otherwise?). Besides, there is no way to handle this nicely acynchronously. PDF is not character data. It's binary data. You can't do stuff like $(element).load(). You want to use completely new request for this. For that <a href="pdfservlet/filename.pdf">pdf&l...
Pass Method as Parameter using C#
I have several methods all with the same parameter types and return values but different names and blocks. I want to pass the name of the method to run to another method that will invoke the passed method.
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