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Questions tagged collections

313 questions · page 2 of 7

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25
votes
5
answers

How to configure Java Priority Queue to ignore duplicates?

java collections priority-queue
asked 2012-05-06T10:08:17.027
14
votes
4
answers

Symfony2+Doctrine - Validating one-to-many collection of entities

validation symfony collections doctrine one-to-many
asked 2012-05-02T09:09:40.583
49
votes
4
answers

IEnumerable and order

c# .net collections ienumerable
asked 2012-05-02T08:04:49.110
13
votes
3
answers

Get the first item of linkedhashmap

java collections linkedhashmap
asked 2012-04-30T10:01:55.870
46
votes
11
answers

Avoiding "NSArray was mutated while being enumerated"

objective-c cocoa cocoa-touch collections nsmutablearray
asked 2012-04-14T21:07:41.777
8
votes
2
answers

Stackoverflow on startup on large collection initializer

c# .net collections
asked 2012-04-12T21:48:40.793
9
votes
2
answers

What is the purpose of creating collection classes in PHP?

php collections
asked 2012-04-08T21:06:48.483
45
votes
12
answers

ArrayList - How to modify a member of an object?

java collections pojo
asked 2012-04-07T08:43:49.523
9
votes
5
answers

Save inherited object to separate collection in Mongoid

ruby-on-rails inheritance mongodb collections mongoid
asked 2012-03-15T16:47:14.800
28
votes
5
answers

When should I use a Hashtable versus a HashMap

java collections hashmap hashtable
asked 2012-03-02T15:40:12.350
18
votes
2
answers

Is foreach by-definition guaranteed to iterate the subject collection sequentially in Scala?

scala collections foreach parallel-processing
asked 2012-02-24T23:30:14.107
11
votes
1
answers

Scala mutable BitSet, where are the mutating operations?

scala collections
asked 2012-02-22T11:04:24.307
60
votes
2
answers

Immutable Scala Map implementation that preserves insertion order

scala dictionary collections immutability
asked 2012-02-16T15:19:57.773
19
votes
4
answers

Collection.toArray() java.lang.ClassCastException

java collections
asked 2012-02-15T12:33:59.187
11
votes
5
answers

Using collection initializer syntax on custom types?

c# collections collection-initializer
asked 2012-02-08T13:36:27.037
9
votes
3
answers

Where did Option[T] come from in Scala?

scala collections styles language-theory
asked 2012-02-06T20:54:01.640
9
votes
4
answers

Conversion from ArrayList to Collection

java collections
asked 2012-02-05T03:35:02.180
9
votes
5
answers

How to get a immutable collection from java HashMap?

java collections hashmap
asked 2012-01-28T05:46:15.353
11
votes
2
answers

Copy a java list with a limit of entries

java list collections clone
asked 2012-01-16T05:17:30.020
54
votes
6
answers

Difference between Hashtable and Collections.synchronizedMap(HashMap)

java collections synchronization hashmap hashtable
asked 2012-01-16T04:10:25.270
9
votes
5
answers

Is a String array subclass of an Object array?

java arrays collections
asked 2012-01-11T19:29:29.070
19
votes
1
answers

What happens when HashMap or HashSet maximum capacity is reached?

java collections size hashmap overflow
asked 2011-12-20T18:56:17.080
35
votes
13
answers

what's a good persistent collections framework for use in java?

java collections clojure functional-programming
asked 2011-12-20T12:51:10.157
8
votes
1
answers

why need to convert type to Object array in ArrayList's Construction?

java collections
asked 2011-12-15T13:53:03.270
8
votes
1
answers

com.google.common.collect.Sets.SetView bug or feature?

java collections guava
asked 2011-12-13T14:32:23.740
55
votes
8
answers

Notify ObservableCollection when Item changes

c# wpf collections observablecollection inotifypropertychanged
asked 2011-12-13T14:06:28.730
38
votes
4
answers

Converting mutable collection to immutable

scala collections
asked 2011-12-13T13:12:34.810
8
votes
1
answers

JdbcTemplate IN Clause for String elements

java jdbc collections jdbctemplate
asked 2011-12-13T12:19:38.350
58
votes
5
answers

How to Convert List<string> to ReadOnlyCollection<string> in C#

c# .net string collections
asked 2011-11-15T17:16:07.667
12
votes
7
answers

Remove all All Elements not working

c# list collections
asked 2011-11-08T15:27:39.820
18
votes
4
answers

"Set<? extends Class<? extends Throwable>>" really?

java generics collections
asked 2011-11-02T15:30:55.277
113
votes
10
answers

Count property vs Count() method?

c# linq list collections count
asked 2011-11-01T16:11:53.820
16
votes
3
answers

Using the key in collections.defaultdict

python collections lambda defaultdict
asked 2011-11-01T07:52:26.760
9
votes
3
answers

Key/Value Collection that maintains order

delphi generics collections
asked 2011-10-31T15:37:55.850
54
votes
12
answers

How to customize the data-prototype attribute in Symfony 2 forms

forms collections symfony
asked 2011-09-26T13:20:28.000
29
votes
8
answers

Automatically sorted by values map in Java

java data-structures collections associative-array sorting
asked 2011-09-19T00:21:35.907
23
votes
6
answers

Why it is implied that objects are equal if compareTo() returns 0?

java collections equals comparable compareto
asked 2011-08-29T12:19:26.270
10
votes
2
answers

Is there a Scala version of NavigableMap?

scala collections scala-collections treemap
asked 2011-08-29T00:39:31.687
12
votes
2
answers

Finding duplicate values in dictionary and print Key of the duplicate element

c# collections dictionary compare duplicates
asked 2011-08-24T08:13:59.433
17
votes
4
answers

How to check that List<Long> contains a value?

java collections
asked 2011-08-18T20:28:08.010
57
votes
3
answers

Java: Enumeration from Set<String>

java collections set enumeration
asked 2011-08-16T22:43:43.320
16
votes
4
answers

How can I shuffle a specific range of an ArrayList?

java collections arraylist
asked 2011-08-16T14:28:51.203
13
votes
7
answers

Is there an ImmutableBitSet in Java?

java collections guava
asked 2011-08-11T09:56:09.517
9
votes
4
answers

Java Collections.checked*() vs Generic collections

java generics collections
asked 2011-08-10T13:23:17.197
16
votes
2
answers

Returning an ImmutableMap <File, File>

java collections immutability guava
asked 2011-08-07T15:11:31.810
82
votes
11
answers

How to Quickly Remove Items From a List

c# linq list collections
asked 2011-08-03T12:37:48.453
22
votes
4
answers

Updating Scala collections thread-safely

scala collections concurrency thread-safety
asked 2011-07-29T01:28:26.097
13
votes
2
answers

C# : Distinctions between various <string, string> Collections

c# string generics collections dictionary
asked 2011-07-27T21:09:06.433
13
votes
7
answers

How implementation of java.util.queue uses LIFO?

java collections queue fifo
asked 2011-07-26T16:10:10.080
65
votes
6
answers

Scala pattern matching on sequences other than Lists

scala collections pattern-matching
asked 2011-07-24T14:56:12.180
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