comparator_开发者

Hashtable comparator problem

Hi guys i\'ve never written a comparator b4 and im having a real problem. I\'ve created a hashtable.[详细]

2022-12-22 17:01 分类：问答

comparator with null values

We have some code which sorts a list of addresses based on the distance between their coordinates. this is done through collections.sort with a custom comparator.[详细]

2022-12-22 10:30 分类：问答

C++ qsort array of pointers not sorting

I am trying to sort a buffer full of variable-length records alphabetically in C++. I previously asked how to implement this, and was told to sort an array of pointers to the records. I set up an arra[详细]

2022-12-22 02:47 分类：问答

Good CMS (preferable java-based) to integrate with grails app

We have grails application that is damn good. Grails application will be run under tomcat/jetty. I\'m looking for a good (preferable java-based) CMS which could be deployed to same webserver and integ[详细]

2022-12-21 15:50 分类：问答

Jasper Reports crosstab sorting with comparatorExpression

I\'m trying to sort my dynamic columns in a cross tab according to some custom scheme. In the docs I found mention of comparatorExpression: Crosstab group bucket comparator expression. The result开发[详细]

2022-12-21 09:54 分类：问答

When to use Comparable and Comparator

I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works.[详细]

2022-12-20 00:55 分类：问答

Java generics: Collections.max() signature and Comparator

I understand the get and put principle for collections: if a method takes in a collection that it will write a type T to, the parameter has to be Collection<? super T>, whereas if it will read a[详细]

2022-12-19 18:59 分类：问答

Java Class hierarchies with Generics, Comparator and sort error

I\'ve been looking around to see if I find something to help me with my problem, but no luck until now. I\'ve got the following classese:[详细]

2022-12-17 20:49 分类：问答

sortedArrayUsing and NSComparison Result : I don't understand how these are actually going about sorting

We\'re looking at different methods to sort the objects/elements in an array, the thing that doesn\'t make sense to me is how the actual sorting is done. I guess the big point of confusion is how can[详细]

2022-12-15 19:45 分类：问答

Java: Equalator? (removing duplicates from a collection of objects)

I have a bunch of objects of a class Puzzle. I have overridden equals() and hashCode(). When it comes time to present the solutions to the user, I\'d like to filter out all the Puzzles that are \"simi[详细]

2022-12-15 18:15 分类：问答