ruby - How do I check an array for duplicates? - Stack Overflow

I've got an array A. I'd like to check if it contains duplicate values. How would I do so?

Ruby/Справочник/Объединение — Викиучебник

1 Класс Array ...... Внимание! Данный метод удален из Ruby, начиная с версии 1.9. ...... enum.detect(ifnone = nil) {| obj | block } => obj or nil enum.find( ifnone = nil) ...... If it can not be cloned or duplicated, then just return the original object.

How to Find All Duplicates in an Array in Ruby

Working with STRUCT objects | Cloud Spanner Documentation ...

A Cloud Spanner SQL query can return an array of STRUCT objects as a column for certain queries. For more information, see Using STRUCTS with SELECT.

Почему не все так просто с MongoDB / Хабр

31 авг 2015 ... И все. Документ пропал. Выполняя запрос: >db.entites.find({path: new Array( 1025).join('x'), owner_id: 42}).count() 0 вы его не найдете.

Ruby/Rails дайджест #23: релиз Ruby 2.5.3, обновление Hanami ...

3 ноя 2018 ... What is new in Rails 6.0 — подборка последних новостей о Ruby on Rails 6. ... Pair With Me: Rubocop Cop that Detects Duplicate Array Allocations ... Debugging silently failing compilation aka Webpacker can't find ...

Ruby Remove Duplicates From Array - Dot Net Perls

find duplicates in Ruby array of arrays, sum their... - Stack Overflow

I have a pipe delimited text file that i am looping through that looks like so: … What I start with is grab the first, tenth and eleventh indexes of these rows and put them into an array of arrays like so: …

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

Ruby wrapper for the Russian FIAS database (Федеральная ... If you get an error "Errno::EMFILE: Too many open files @ rb_sysopen" please set ulimit 512 or ... Duplicates are records which have different UUIDs but equal names, abbrevations and nesting level. .... It returns an array of hashes with keys you can see above.

Render-функции и JSX — Vue.js

{String | Array} // Дочерние VNode'ы, создаваемые с помощью `createElement ()` // или просто строки для получения 'текстовых VNode'. Опциональный ...

ruby - Find duplicates in array of hashes on specific... - Stack Overflow

I have an array of hashes (CSV rows, actually) and I need to find and keep all the rows that match two specific keys (user, section). Here is a sample of the data: …

Руководство по добавлению фраз в приложение LUIS с ...

13 дек 2017 ... Добавьте запрос GET, получающий состояние обучения.Add the GET .... Запустите приложение из командной строки с помощью Ruby.

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 object. ... Returns a new set built by duplicating the set, removing every element that ...

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).

How to Find All Duplicates in an Array in Ruby - YouTube

When it comes to Ruby programming, Ruby has a helpful method for removing duplicates from an array, the uniq method. However, there are times when you...

Arrays - Find a Duplicate in an array Ruby

Debian -- Будущие пакеты

JS stream from arrays or functions, работа начата 391 дней назад. ..... ruby-em- websocket-client: EventMachine client library for WebSockets, работа начата ...... назад. fdmf: find duplicate music files, просьба поступила 3851 дней назад.

Ruby - Find duplicates in an array - Stack Overflow

I am trying to write a method in Ruby that takes an array of size N and finds duplicates in the array and lists the duplicate. I'm having trouble creating an array with a range of 0..N-2.

Ruby - Find duplicates in an array - arrays

Блог на Laravel 5 (часть 3) Контроллеры MODX

25 апр 2017 ... Frontend уроки · Ruby on Rails workshop · Создание блога на ... которые применяются к запросу * * @return array */ public function ... { $post = new Posts (); $post->title = $request->get('title'); $post->body ... str_slug($title); $duplicate = Posts::where('slug',$slug)->first(); if($duplicate) { if($duplicate->id !=