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Sequence contains more than one element
... was correct and the exception clearly states the collection has more than one element which prevents SingleOrDefault from ever working. True it may be possible to have a better database design here but that seems more appropriate as a comment on the OP and not a -1 on an answer.
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Iterate through every file in one directory
...on all files in subdirs:
Dir.glob("**/*.txt") do |my_text_file| # note one extra "*"
puts "working on: #{my_text_file}..."
end
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Move all files except one
How can I move all files except one? I am looking for something like:
14 Answers
14
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Android, How to limit width of TextView (and add three dots at the end of text)?
... I'm looking for is how to add three dots (...) at the end of string. This one shows the text has continue. This is my XML but there is no dots although it limit my text.
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In bash, how does one clear the current input?
...rom the cursor to the end of the line. (It is sometimes useful to use only one of them.)
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Titlecasing a string with exceptions
...he number issue is fixed, or I did not hit your edge case. Ex: titlecase('one 4 two') -> 'One 4 Two'. Now titlecase('1one') -> '1one', but '1one'.title() -> '1One'. though this later case is an edge case and I'm not sure '1One' is the correct titling. I'm also not concerned enough to gr...
Get local IP address
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I'm Using Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips
– Leonardo Xavier
Jun 23 '15 at 13:03
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Why is Node.js single threaded? [closed]
...he single threaded, async nature does make things complicated. But do you honestly think it's more complicated than threading? One race condition can ruin your entire month! Or empty out your thread pool due to some setting somewhere and watch your response time slow to a crawl! Not to mention deadl...
Understanding how recursive functions work
...y copies of the same function being called", then it may be clearer:
Only one copy of the function ever returns 0, and it's not the first one (it's the last one). So the result of calling the first one is not 0.
For the second bit of confusion, I think it will be easier to spell out the recursion ...
Inheritance vs. Aggregation [closed]
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The "reuse almost all functionality of a class" is the one time I do actually prefer inheritance. What I'd really like is a language that has the ability to easily say "delegate to this aggregated object for these specific methods"; that's the best of both worlds.
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