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Eclipse: How do you change the highlight color of the currently selected method/expression?
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Very nice. When a Java guy sees "annotations" they immediately think about Java annotations which have nothing to do with this setting. But since it's under the regular TEXT Editor area instead of the Java Editor settings, the term means somet...
How to get the unique ID of an object which overrides hashCode()?
When a class in Java doesn't override hashCode() ,
printing an instance of this class gives a nice unique number.
10 Answ...
Key existence check in HashMap
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A good link is grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/… (OpenJDK is very strongly derived from the Sun code) and it seems that I'm wrong. I was comparing the version for Java5 with Java6; they work differently in this area (but both are correct, as are th...
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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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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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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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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