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All Set Solutions on Gang of Coders
Total of 153 Set Solutions
Elegant way to remove items from sequence in Python?
Python
Optimization
Set
Series
Cartesian product of an arbitrary number of sets
Java
Set
Cartesian Product
The correct way to return the only element from a set
Java
Collections
Set
How to update an existing element of std::set?
C++
Stl
Set
Is there a "Set" data structure in .Net?
C#
Data Structures
Set
How to select from MySQL where Table name is Variable
Mysql
Set
Tablename
Set literal gives different result from set function call
Python
Hash
Set
Python 2.x
Python Internals
How to Iterate over a Set/HashSet without an Iterator?
Java
Loops
Set
Hashset
C - How to implement Set data structure?
C
Algorithm
Math
Data Structures
Set
How to divide a set into two subsets such that difference between the sum of numbers in two sets is minimal?
Arrays
Algorithm
Set
Should a HashSet be allowed to be added to itself in Java?
Java
Collections
Set
Hashset
Contract
What is the underlying data structure of a STL set in C++?
C++
Set
What is the difference between sets and lists in Python?
Python
List
Set
Java: Enumeration from Set<String>
Java
Collections
Set
Enumeration
Set vs. frozenset performance
Python
Performance
Set
Frozenset
c# - How to iterate through classes fields and set properties
C#
Class
Properties
Set
Field
Check if two vectors are equal
C++
Vector
Set
Is the std::set iteration order always ascending according to the C++ specification?
C++
Stl
Set
List.shuffle() in Dart?
List
Sorting
Random
Set
Dart
Quick way to extend a set if we know elements are unique
Python
Set
Union
How can I find the union on a list of sets in Python?
Python
List
Python 3.x
Set
Set Union
Get difference between two lists
Python
Performance
List
Set
Set Difference
Simplest way to merge ES6 Maps/Sets?
Javascript
Set
Ecmascript 6
How to calculate the intersection of two sets?
Java
Set
Intersection
Hashset
How to "perfectly" override a dict?
Python
Inheritance
Dictionary
Get
Set
Why doesn't java.util.Set have get(int index)?
Java
Data Structures
Collections
Set
How to construct a set out of list items in python?
Python
List
Set
golang why don't we have a set datastructure
Data Structures
Go
Set
Python Sets vs Lists
Python
List
Performance
Data Structures
Set
JavaScript Array to Set
Javascript
Arrays
Set
Swift Set to Array
Arrays
Swift
Set
How to customize object equality for JavaScript Set
Javascript
Set
Ecmascript Harmony
Getting the difference between two sets
Java
Set
Java Set retain order?
Java
Sorting
Set
Most concise way to convert a Set<T> to a List<T>
Java
List
Collections
Set
jdk1.6
How is set() implemented?
Python
Data Structures
Set
Cpython
How to join two sets in one line without using "|"
Python
Set
How to map/reduce/filter a Set in JavaScript?
Javascript
Set
Ecmascript 6
Reduce
Picking a random element from a set
Java
Algorithm
Language Agnostic
Random
Set
Set value of hidden field in a form using jQuery's ".val()" doesn't work
Jquery
Set
Hidden Fields
Converting a list to a set changes element order
Python
Set
How to set background color of a View
Android
View
Colors
Background
Set
How to JSON serialize sets?
Python
Json
Serialization
Set
How do I add the contents of an iterable to a set?
Python
Set
Conventions
Iterable
Deleting elements from std::set while iterating
C++
Iterator
Set
Std
C++ Standard-Library
How to convert an Array to a Set in Java
Java
Collections
Arrays
Set
Python set to list
Python
List
Set
Is there hash code function accepting any object type?
Javascript
Hash
Set
Hashcode
Best way to convert list to comma separated string in java
Java
String
List
Collections
Set
How to get all subsets of a set? (powerset)
Python
Set
Powerset
Why is the order in dictionaries and sets arbitrary?
Python
Dictionary
Set
Python Internals
How to convert a set to a list in python?
Python
List
Set
Python 2.6
comparing ECMA6 sets for equality
Javascript
Set
Ecmascript 6
Different types of thread-safe Sets in Java
Java
Concurrency
Set
How can I create a Set of Sets in Python?
Python
Collections
Nested
Set
Difference between Iterator and Listiterator?
Java
List
Iterator
Set
Listiterator
How to add an array of values to a Set
Javascript
Set
Does Python have an ordered set?
Python
Set
How to check if a table contains an element in Lua?
Lua
Set
Unique
Contains
Lua Table
How to sort a HashSet?
Java
Sorting
Collections
Set
Hashset
Collection that allows only unique items in .NET?
C#
Set
Hashset
Use curly braces to initialize a Set in Python
Python
Python 2.7
Set
Javascript Set vs. Array performance
Javascript
Arrays
Performance
Set
Iteration
How to retrieve an element from a set without removing it?
Python
Set
Any implementation of Ordered Set in Java?
Java
Collections
Set
Is it possible to use getters/setters in interface definition?
Interface
Get
Set
Accessor
Typescript
random.choice from set? python
Python
List
Set
Convert Set to List without creating new List
Java
Performance
List
Set
What is the fastest way to compare two sets in Java?
Java
Performance
Set
How to set a Javascript object values dynamically?
Javascript
Object
Properties
Set
Time complexity of python set operations?
Python
Data Structures
Set
Complexity Theory
Big O
Empty set literal?
Python
Set
Literals
How do I add two sets?
Python
Set
How to iterate std::set?
C++
Set
Iteration
C# Set collection?
C#
.Net
Collections
Set
How to store Query Result in variable using mysql
Mysql
Database
Variables
Set
How can I add items to an empty set in python
Python
Set
How can I simulate an array variable in MySQL?
Mysql
Arrays
Variables
Set
Temp Tables
Why can a Python dict have multiple keys with the same hash?
Python
Hash
Dictionary
Set
Equality
How can I sort an ES6 `Set`?
Javascript
Arrays
Sorting
Set
Ecmascript 6
android set custom font to a paint
Android
Fonts
Set
Paint
Is there a better way to combine two string sets in java?
Java
Set
Why is '+' not understood by Python sets?
Python
Set
Append values to a set in Python
Python
Set
Append
What makes sets faster than lists?
Python
List
Set
Why is Scala's immutable Set not covariant in its type?
Scala
Set
Covariance
Scala Collections
What is the difference between Set and List?
Java
List
Set
Reduce array to set in Swift
Arrays
Swift
Set
Reduce
Why does tuple(set([1,"a","b","c","z","f"])) == tuple(set(["a","b","c","z","f",1])) 85% of the time with hash randomization enabled?
Python
Hash
Set
Cpython
Python Internals
What's the difference between HashSet and Set?
Java
Interface
Set
Possible Locations for Sequence/Picture Parameter Set(s) for H.264 Stream
Parameters
Set
Mp4
h.264
Mkv
Python: See if one set contains another entirely?
Python
Set
How does a Python set([]) check if two objects are equal? What methods does an object need to define to customise this?
Python
Methods
Comparison
Set
Get unique values from ArrayList in Java
Java
List
Set
Union of 2 sets does not contain all items
Python
Python 3.x
Set
Equivalence Classes
Python Set Comprehension
Python
Set
Set Comprehension
How to extract the member from single-member set in python?
Python
Set
How to join entries in a set into one string?
Python
List
Set
Python 2.7
Ways to create a Set in JavaScript?
Javascript
Set
How can I convert a Set to an Array in TypeScript
Arrays
Typescript
Set
typescript1.8
Python remove set from set
Python
Set
add vs update in set operations in python
Python
Set
Copying sets Java
Java
Copy
Set
Obtaining a powerset of a set in Java
Java
Algorithm
Set
Powerset
Good way to get *any* value from a Java Set?
Java
Set
Any
Opposite of set.intersection in python?
Python
Set
Merge multiple sets elements in a single set
C++
Stl
Set
Set difference versus set subtraction
Python
Set
Subtraction
Set Difference
Why is it possible to replace sometimes set() with {}?
Python
Set
Fastest way to put contents of Set<String> to a single String with words separated by a whitespace?
Java
String
Optimization
Set
Whitespace
Python -Intersection of multiple lists?
Python
List
Set
Intersection
How to check that an element is in a std::set?
C++
Stl
Set
Contains
Empty/delete a set in Redis?
Set
Redis
Why aren't Python sets hashable?
Python
Hash
Set
How do I iterate and modify Java Sets?
Java
Set
What is time complexity of a list to set conversion?
Python
List
Hash
Set
Time Complexity
Getting an element from a Set
Java
Collections
Set
Equals
Difference between dict and set (python)
Python
Dictionary
Set
Naming of TypeScript's union and intersection types
Typescript
Set
Boolean Logic
How to convert Set to string with space?
Javascript
String
Ecmascript 6
Set
c++ STL set difference
C++
Stl
Set
Stdset
Set Difference
C++ std::set update is tedious: I can't change an element in place
C++
Stl
Set
TTL for a set member
Redis
Set
Tagging
Ttl
Performance and Memory allocation comparison between List and Set
Java
List
Collections
Set
How do you determine if two HashSets are equal (by value, not by reference)?
C#
.Net
.Net 3.5
Set
Hashset
append set to another set
C++
Insert
Set
Doctrine 2 OneToMany Cascade SET NULL
Doctrine
Null
Set
One to-Many
How to get the first element of the List or Set?
Java
List
Collections
Set
std::set with user defined type, how to ensure no duplicates
C++
Set
Fastest data structure for contains() in Java?
Java
Data Structures
Set
How to convert vector to set?
C++
Vector
Set
How to set and get fields in struct's method
Struct
Get
Set
Go
es6 Map and Set complexity, v8 implementation
Javascript
Ecmascript 6
Set
Complexity Theory
V8
pyspark collect_set or collect_list with groupby
List
Group By
Set
Pyspark
Collect
what does O(N) mean
Performance
Scalability
Big O
Set
Is there a sorted_vector class, which supports insert() etc.?
C++
Stl
Vector
Sorting
Set
Best way to find the intersection of multiple sets?
Python
Set
Set Intersection
Classical set operations for java.util.Collection
Java
Collections
Set
Built in support for sets in PHP?
Php
Set
How to clone or copy a set in Python?
Python
Set
Clone
Shallow Copy
Set of objects in javascript
Javascript
Object
Data Structures
Set
How do I create a Python set with only one element?
Python
Python 3.x
Set
How to get first item from a java.util.Set?
Java
Set
How to get a list from a set?
Python
List
Set
Add list to set?
Python
List
Python 2.7
Set
Filter the elements of a map based on a subset of its keys without iterating through the entire thing
Java
Collections
Map
Set
Intersection
How do I clear all intervals?
Javascript
Jquery
Set
Difference between tuples and frozensets in Python
Python
Data Structures
Set
Tuples
In Python, when to use a Dictionary, List or Set?
Python
List
Dictionary
Data Structures
Set
How to make a set of lists
Python
List
Set
Efficiently compute Intersection of two Sets in Java?
Java
Performance
Optimization
Set
How do I get the size of a set on Redis?
Redis
Set
Understanding the set() function
Python
Set