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What's the (hidden) cost of Scala's lazy val?
One handy feature of Scala is lazy val , where the evaluation of a val is delayed until it's necessary (at first access).
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...ng for loops produce identical results even though one uses post increment and the other pre-increment.
12 Answers
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Java: How to test methods that call System.exit()?
...n normal use it will drift all the way out to the JVM's last-ditch catcher and shut your script down (unless you decide to catch it somewhere along the way, which might be useful someday).
In the JUnit scenario it will be caught by the JUnit framework, which will report that
such-and-such te...
TypeScript or JavaScript type casting
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How do you indicate to typescript that you have converted an object to another type? For example a func that returns type2, inside it it http gets type 1, does logic to convert, and returns what was type1 but is now type2?
– Tony Gutierrez
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Getting result of dynamic SQL into a variable for sql-server
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DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt i...
How should I pass multiple parameters to an ASP.Net Web API GET?
...implement a RESTful api. I need to pass in a few parameters to the system and have it perform some action, then return a list of objects as the results. Specifically I am passing in two dates and returning records that fall between them. I'm also keeping track of the records returned so that subs...
Check orientation on Android phone
How can I check if the Android phone is in Landscape or Portrait?
23 Answers
23
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What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
How do I overload the square-bracket operator in C#?
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+1 for the handy list. FYI the link died. (4 years later, I know)
– Mixxiphoid
Mar 4 '13 at 21:04
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xkcd style graphs in MATLAB
...he various plotting functions I wanted to create a generic tool that could convert any existing plot to a xkcd style plot.
This approach means that you can create plots and style them using standard MATLAB functions and then when you're done you can then re-render the plot in an xkcd style while ...