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Providing a default value for an Optional in Swift?
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As of Aug 2014 Swift has coalescing operator (??) that allows that. For example, for an optional String myOptional you could write:
result = myOptional ?? "n/a"
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CSS Selector “(A or B) and C”?
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edited Jul 19 '19 at 15:06
Spooky
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answered Nov...
LINQ Orderby Descending Query
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edited Apr 30 '16 at 21:56
Bakudan
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Invalid URI: The format of the URI could not be determined
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answered Sep 9 '10 at 8:46
CJBrewCJBrew
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Erasing elements from a vector
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edited Sep 26 '19 at 10:20
Fabio says Reinstate Monica
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Why does the JVM still not support tail-call optimization?
... prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
4 Answers
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Difference between jQTouch and jQuery mobile
...querymobile.com/strategy/
and here
http://news.ycombinator.com/item?id=1602169
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Why is there an injected class name?
...to the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name was present in C++98, but the terminology was new for C++03.
C++98 says:
A class-name is inserted into the scope in which it is declared immediately after the ...
Difference between json.js and json2.js
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edited Feb 4 '11 at 19:07
Chris
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answered Fe...
How do you specify the Java compiler version in a pom.xml file?
I wrote a maven code on netbeans that has approximately more than 2000 lines. When I compile it on netbeans, everything is fine, but if I want to run it on command line, I will get these errors:
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