Duplicate elements of array in ruby - Stack Overflow

I find a lot of reference about removing duplicates in ruby but I cannot find how to create duplicate. If I have an array like [1,2,3] how can I map it to an array with dubbed items?

PostgreSQL: Приемы на продакшене / Хабр

29 июл 2015 ... ... проблемы — неважно, на чем вы пишите php, python, ruby, etc. ... ERROR: duplicate key value violates unique constraint "test_a_idx" ...

Duplicate elements in array - Ruby - Ruby-Forum

Ruby/Справочник/Set — Викиучебник

Set implements a collection of unordered values with no duplicates. ... Returns a new array containing elements common to the set and the given enumerable ...

Коллекции

... более похожи на векторы в Perl или Ruby, списки в Python, или на класс ArrayList в ... (make-array 5 :initial-element nil) ==> #(NIL NIL NIL NIL NIL) .... Однако заметьте, что функции (например FIND ), возвращающие элементы .... имеет четвертый вариант, функцию REMOVE-DUPLICATES , которая имеет ...

Duplicate array elements in Ruby - Stack Overflow

I have an array rangers = ["red", "blue", "yellow", "pink", "black"] (it's debatable that green should part of it, but I decided to omitted it) I want to double the array elements so it returns rangers = ["red", "red"...

Свойство Border.ColorIndex (Excel) | Microsoft Docs

7 июн 2017 ... Add · Delete · Item. Properties. Application · Count · Parent · CustomLayout object . Methods. Copy · Cut · Delete · Duplicate · MoveTo · Select.

Помогаем друг-другу | ITc | сообщество программистов | ВКонтакте

11 окт 2018 ... PHP, С#, C++, Delphi, Java, Python, Assembler, Pascal, Ruby ⬅ . ... return this. http.get(`http://localhost:3000/users?email=${email}`) .... Notice: Integers of T- shirts may duplicate. ... I i x which is to insert x in the position i in the array, every element within the range [0, 100], i is guaranteed within the range of ...

How to Find All Duplicates in an Array in Ruby

GitHub - evilmartians/fias: Ruby wrapper for the Russian FIAS ...

Ruby wrapper for the Russian FIAS database (Федеральная ... FIAS contains some duplicates. ... You need to find a FIAS item for each address in set. .... Each element of array contains two values: factor of equality and found object. If there ...

Remove duplicate elements from array in Ruby - Stack Overflow

I have a Ruby array which contains duplicate elements. … How can I remove all the duplicate elements from this array while retaining all unique elements without using for-loops and iteration?

Ruby: How to find and return a duplicate value in array?

arr is array of strings, e.g.: ["hello", "world", "stack", "overflow", "hello", "again"]. What would be easy and elegant way to check if arr has duplicates, and if yes, return one of them (no matter which).

Debian -- Будущие пакеты

JS stream from arrays or functions, работа начата 379 дней назад. ..... 58 дней назад. pilercr: software for finding CRISPR repeats, работа начата 107 дней назад. .... ruby-em-websocket-client: EventMachine client library for WebSockets,  ...

Ruby array find duplicate elements in sub arrays... - Stack Overflow

Sorry for the less than clear question but I can't find a better way of asking... I have an array … I want to find subarrays with duplicate elements...

Введение в анализ сложности алгоритмов (часть 2) / Хабр

8 окт 2013 ... bool duplicate = false; for ( int i = 0; i < n; ++i ) { for ( int j = 0; j < n; ++j ) { if ( i != j && A[ i ] == A[ j ] .... способ реализации сортировки массива на Ruby. ... Сначала находится минимальный элемент массива ( a в коде выше.

Ruby Remove Duplicates From Array - Dot Net Perls

ruby - How to find duplicate element in array and... - Stack Overflow

I need to find duplicate latitude in an array and nudge it a bit to avoid marker display problem. I searched and find a way to do it in ruby: 1.find duplicate element in ruby...

Описание ошибок VB

Python / Ruby / Groovy и пр. / Piro .... 340, Control array element 'item' doesn't exist, Элемент управления 'имя' не найден .... 3011, The Microsoft Jet database engine could not find the object . ... to the table were not successful because they would create duplicate values in the index, primary key, or relationship.

Render-функции и JSX — Vue.js

Это не в точности реальный DOM-элемент. Можно ... { name: props => VNode | Array } ... return createElement('ul', this.items.map(function (item) {