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What is the Java ?: operator called and what does it do?
...valuated.
The conditional operator is syntactically right-associative (it groups right-to-left), so that a?b:c?d:e?f:g means the same as a?b:(c?d:(e?f:g)).
ConditionalExpression:
ConditionalOrExpression
ConditionalOrExpression ? Expression : ConditionalExpression
The conditional ...
@import vs #import - iOS 7
...earch for the framework (golden toolbox), then move it to the "Frameworks" group. It will save many developers from the cryptic "Linker error" messages.
You don't actually need to use the @import keyword. If you opt-in to using modules, all #import and #include directives are mapped to use @import a...
How to use the toString method in Java?
... the cases where the override wouldn't be required is utility classes that group static utility methods, in the manner of java.util.Math. The case of override being not required is pretty intuitive; almost always you would know.
The string returned should be concise and informative, ideally self-exp...
What is the best way to filter a Java Collection?
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Apparently doesn't work on Android: groups.google.com/forum/#!msg/lambdaj/km7uFgvSd3k/grJhgl3ik5sJ
– Moritz
May 17 '13 at 9:37
8
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Best way to parse command-line parameters? [closed]
...alue and multiple value options
POSIX-style short option names (-a) with grouping (-abc)
GNU-style long option names (--opt)
Property arguments (-Dkey=value, -D key1=value key2=value)
Non-string types of options and properties values (with extendable converters)
Powerful matching on traili...
What's the best way to model recurring events in a calendar application?
I'm building a group calendar application that needs to support recurring events, but all the solutions I've come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically ...
Select n random rows from SQL Server table
...en, when questions about how to select random rows are asked in discussion groups, the NEWID query is proposed; it is simple and works very well for small tables.
SELECT TOP 10 PERCENT *
FROM Table1
ORDER BY NEWID()
However, the NEWID query has a big drawback when you use it for large tables...
Proper use of 'yield return'
... yield-return when I calculate the next item in the list (or even the next group of items).
Using your Version 2, you must have the complete list before returning.
By using yield-return, you really only need to have the next item before returning.
Among other things, this helps spread the compu...
What is the best way to paginate results in SQL Server
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Still waiting on LISTAGG()/GROUP_CONCAT().
– Bacon Bits
Nov 10 '14 at 20:07
1
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How to design RESTful search/filtering? [closed]
...encoding the [ and ]. Using encoded representations of these characters to group query parameters is a well known practice. It's even used in JSON:API specification.
– jelhan
Mar 4 '19 at 20:23
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