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Ruby, !! operator (a/k/a the double-bang) [duplicate]
...nswer because it explains WHY. Seems like the same type of hack you see in Java sometimes to convert an int to a String by appending a "" to it (which by the way i am NOT advocating for - I believe this is bad practice in Java). Given that this is bad practice in Java, I don't understand why languag...
Eclipse - debugger doesn't stop at breakpoint
... @VineetReynolds: I have seen your valuable answers relate to Jboss and Java ee 6. can you help me trouble shoot this problem? stackoverflow.com/questions/28954323/…
– brain storm
Mar 10 '15 at 18:55
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Working with Enums in android
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Where on earth did you find this syntax? Java Enums are very simple, you just specify the values.
public enum Gender {
MALE,
FEMALE
}
If you want them to be more complex, you can add values to them like this.
public enum Gender {
MALE("Male", 0),
F...
Scala Doubles, and Precision
...which unfortunately aren't very well documented at present (although their Java equivalents are).
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Convert JSON String to Pretty Print JSON output using Jackson
...iterWithDefaultPrettyPrinter() instead. Refer: jackson.codehaus.org/1.9.0/javadoc/org/codehaus/jackson/map/…
– Browny Lin
Aug 6 '13 at 7:43
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Red black tree over avl tree
... the cost of slower add/remove. Red-black tree is used in the following:
Java: java.util.TreeMap, java.util.TreeSet
C++ STL (in most implementations): map, multimap, multiset
Linux kernel: completely fair scheduler, linux/rbtree.h
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Linking to an external URL in Javadoc?
... If anyone is interested, since I just had to look it up: According to the Javadoc spec the @see tag comes after the @param/@return tags and before the @since/@serial/@deprecated tags.
– friederbluemle
Oct 11 '13 at 5:18
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Kotlin secondary constructor
...e these constructors are necessary sometimes, especially when working with Java frameworks and extending Java classes. Hope you'll get them back soon.
– Michael
Jul 17 '14 at 7:46
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Google Authenticator available as a public service?
... know if there is a specific implementation for your server software (PHP, Java, .NET, etc.)
But, specifically, you don't need an offsite service to handle this.
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ORA-01882: timezone region not found
I'm accessing an Oracle Database from a java application, when I run my application I get the following error:
19 Answers
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