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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
...r better options to do this more cleanly in a single line, both using only Java built-in classes or using a utility library. See other answers below.
Since strings are immutable, you may want to use the StringBuilder class if you're going to alter the String in the code.
The StringBuilder class ...
HTML Submit-button: Different value / button-text?
... != null)
tags.addTag( /*...*/ );
(Since I don't know that language (java?), there may be syntax errors.)
I would prefer the <button> solution, but it doesn't work as expected on IE < 9.
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Check whether number is even or odd
...0, not n % 2 == 1, because the latter doesn't work for negative numbers in Java.
– Jxek
Jan 8 '15 at 9:38
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How do I get IntelliJ to recognize common Python modules?
... 14 Ultimate has this feature, and it worked perfectly without breaking my Java module detection like db42's answer did.
– Patrick M
Oct 12 '15 at 15:30
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How can you automatically remove trailing whitespace in vim
... keepp %s/\s\+$//e
call cursor(l, c)
endfun
autocmd FileType c,cpp,java,php,ruby,python autocmd BufWritePre <buffer> :call <SID>StripTrailingWhitespaces()
If you want to apply this on save to any file, leave out the second autocmd and use a wildcard *:
autocmd BufWritePre * :c...
How to implement a binary tree?
...hing. My guess is that Fox is simply used to coding a language like C++ or Java, which require the semicolon at the end of the line. Aside from that optional use, semicolons can be used to chain statements in a single line. For example a=1; b=2; c=3 would be a valid single line in python.
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How to detect UI thread on Android?
.../developer.android.com/reference/android/app/Activity.html#runOnUiThread%28java.lang.Runnable%29
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Upload artifacts to Nexus, without Maven
I have a non-Java project that produces a versioned build artifact, and I want to upload this to a Nexus repository. Because the project isn't Java, it doesn't use Maven for builds. And I'd rather not introduce Maven/POM files just to get files into Nexus.
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What's the advantage of Logic-less template (such as mustache)?
.... In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prevent logic in templates by design (like mustache does), you will be obliged to put the logic elsewhere, so your templates will end u...
How to scale down a range of numbers with a known min and max value
...he reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is ther...