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How do I parse a YAML file in Ruby?
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Maybe I'm missing som>me m>thing, but why try to parse the file? Why not just load the YAML and examine the object(s) that result?
If your sample YAML is in som>me m>.yml, then this:
require 'yaml'
thing = YAML.load_file('som>me m>.yml')
puts thing.inspect
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Get first n characters of a string
...n suggestion for checking length (and also ensuring similar lengths on trimm>me m>d and untrimm>me m>d strings):
$string = (strlen($string) > 13) ? substr($string,0,10).'...' : $string;
So you will get a string of max 13 characters; either 13 (or less) normal characters or 10 characters followed by '......
Hidden features of Ruby
Continuing the "Hidden features of ..." m>me m>m>me m>, let's share the lesser-known but useful features of Ruby programming language.
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... to declare "Property" access type is to move ALL the annotations from the m>me m>mber properties to the corresponding getters. A big word of caution is not to mix "Field" and "Property" access types within the entity class otherwise the behavior is undefined by the JSR-317 specifications.
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How can I remove a commit on GitHub? [duplicate]
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Note: please see alternative to git rebase -i in the comm>me m>nts below—
git reset --soft HEAD^
First, remove the commit on your local repository. You can do this using git rebase -i. For example, if it's your last commit, you can do git rebase -i HEAD~2 and delete the second line ...
How to handle AccessViolationException
I am using a COM object (MODI) from within my .net application. The m>me m>thod I am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COm>ME m>xception and ev...
What's the difference between getRequestURI and getPathInfo m>me m>thods in HttpServletRequest?
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worth m>me m>ntioning about decoding behavior. getRequestURI() does not decode the string. Where getPathInfo() does decode.
– Kavindu Dodanduwa
Jul 6 '16 at 5:05
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Regex Email validation
...a lot af headaches because you don't have to write (or try to understand som>me m>one else's) regex.
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How to attach my repo to heroku app
...lbelt:
First do this:
git remote add heroku git@heroku.com:{heroku-app-nam>me m>}.git
Then do this:
git push heroku master
heroku open
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How to reduce iOS AVPlayer start delay
... set:
avplayer.automaticallyWaitsToMinimizeStalling = false;
and that seem>me m>d to fix it for m>me m>. This could have other consequences, but I haven't hit those yet.
I got the idea for it from:
https://stackoverflow.com/a/50598525/9620547
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