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Filter Java Stream to 1 and only 1 element
... Iterables.getOnlyElement would shorten these solutions and provide better error messages. Just as a tip for fellow readers who already use Google Guava.
– Tim Büthe
Oct 29 '15 at 15:09
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How to only find files in a given directory, and ignore subdirectories using bash
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If I wanted to list where all the above symlinks pointed to found in the above pattern, would I just use a pipe? Something like find /dev -maxdepth 1 -name 'abc-*' | ls -l
– suffa
Oct 10 '11 at 16:11
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How to check for changes on remote (origin) Git repository?
... That -v option doesn't work. For git remote update -v I got error: unknown switch `v'
– Shad
Mar 19 '18 at 18:49
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How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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How to make an HTML back link?
...way to create an <a> tag that links to the previous web page? Basically a simulated back button, but an actual hyperlink. Client-side technologies only, please.
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How can I call a custom Django manage.py command directly from a test driver?
...ts.
But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
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How do I enumerate the properties of a JavaScript object? [duplicate]
...wnPropertyNames(obj) is what you want if you are dealing with some sort of Error object (ex. TypeError) because the properties are non-enumerable.
– vossad01
Oct 24 '16 at 16:18
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Converting RGB to grayscale/intensity
...ly different numbers / different methods,
you won't see much difference at all on a normal computer screen
under normal lighting conditions -- try it.
Here are some more links on color in general:
Wikipedia Luma
Bruce Lindbloom 's outstanding web site
chapter 4 on Color in the book by Colin Wa...
Java generics type erasure: when and what happens?
...t;).
Despite that it makes generic arrays unusable and cause some strange errors for raw types:
List<String> l= List.<String>of("h","s");
List lRaw=l
l.add(new Object())
String s=l.get(2) //Cast Exception
it causes a lot of ambiguities as
void function(ArrayList<Integer> list...
RegEx match open tags except XHTML self-contained tags
... ~10k pages, all with the same HTML template. They were littered with HTML errors that caused parsers to choke, and all their styling was inline or with <font> etc.: no classes or IDs to help navigate the DOM. After fighting all day with the "right" approach, I finally switched to a regex solu...