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How to write a switch statement in Ruby
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Ruby uses the case expression instead.
case x
when 1..5
"It's between 1 and 5"
when 6
"It's 6"
when "foo", "bar"
"It's either foo or bar"
when String
"You passed a string"
else
"You gave me #{x} -- I have no idea what to do with that....
Common programming mistakes for Clojure developers to avoid [closed]
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Literal Octals
At one point I was reading in a matrix which used leading zeros to maintain proper rows and columns. Mathematically this is correct, since leading zero obviously don't alter the underlying value. Attempts to define a var with this matrix, however, would fail mys...
Jenkins on OS X: xcodebuild gives Code Sign error
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Have you used the default keychain as in my example above? Note that for custom keychains you need to set them up to be on the search path first, so try the default keychain first. Also note that there is no -k argument to unlock-keychain so whatever you're trying to do...
Getting the IP address of the current machine using Java
...ected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's routing table and setting the local endpoint accordingly. The last part seems to be undocumented officially but it looks like an integral trait of Berkeley so...
BaseException.message deprecated in Python 2.6
I get a warning that BaseException.message is deprecated in Python 2.6 when I use the following user-defined exception:
8 A...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
Consider the IEnumerable extension methods SingleOrDefault() and FirstOrDefault()
15 Answers
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Simple regular expression for a decimal with a precision of 2
What is the regular expression for a decimal with a precision of 2?
17 Answers
17
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How to return a string value from a Bash function
...But then that is by convention, NOT actually tied programmatically to the execution of your code. "clearly a better way"? Um, no. Command substitution is far more explicit and modular.
– Wildcard
Jan 6 '16 at 3:24
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
...ER() OVER (PARTITION BY section_id ORDER BY name) AS r,
t.*
FROM
xxx t) x
WHERE
x.r <= 2;
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HorizontalScrollView within ScrollView Touch Handling
...Event method to only intercept the touch event if the Y motion is > the X motion. It seems like the default behavior of a ScrollView is to intercept the touch event whenever there is ANY Y motion. So with the fix, the ScrollView will only intercept the event if the user is deliberately scrolling ...