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Can someone explain this 'double negative' trick? [duplicate]
...eason to. This question is about logic ops, and 0 is always falsey. That's what his answer states. -0 === 0 shows they are equal values of the same type because that's how it's defined. Your division example is a very specific circumstance that has nothing to do with this question or 99.999% of the...
What's the optimum way of storing an NSDate in NSUserDefaults?
... and (40 * 365 * 86 400) / (2 ** 24) = 75second error. Double precision is what a DateTime interval, and its RAW precision is now better than a millionth of a second.
– Tom Andersen
May 10 '12 at 15:38
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What's the difference between integer class and numeric class in R
...etter L.
> class(1:5)
[1] "integer"
Reference: https://www.quora.com/What-is-the-difference-between-numeric-and-integer-in-R
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Why use getters and setters/accessors?
What's the advantage of using getters and setters - that only get and set - instead of simply using public fields for those variables?
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submitting a GET form with query string params and hidden params disappear
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Isn't that what hidden parameters are for to start with...?
<form action="http://www.example.com" method="GET">
<input type="hidden" name="a" value="1" />
<input type="hidden" name="b" value="2" />
<input ty...
What should Xcode 6 gitignore file include?
What should the typical .gitignore include for Xcode 6?
3 Answers
3
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What is the difference between “mvn deploy” to a local repo and “mvn install”?
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@Tim so what exactly is the advantage of mvn deploy? What benefits does it give for the extra configuration that was required in the first place?
– Geek
Dec 30 '13 at 16:06
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What does the Subversion status symbol “~” mean?
...n to me for the same reason today. I tried this command before I even knew what the problem was: svn status | grep ^~ | grep -o [^[:space:]]\*\$ | xargs svn revert which was able to restore all the symlinks.
– Paul
Jul 12 '13 at 22:35
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What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
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Ruby on Rails generates model field:type - what are the options for field:type?
...oo found the guides difficult to use. Easy to understand, but hard to find what I am looking for.
Also, I have temp projects that I run the rails generate commands on. Then once I get them working I run it on my real project.
Reference for the above code: http://guides.rubyonrails.org/getting_sta...