ruby array checking for nil array - Stack Overflow

I have ruby array and it is nil but when I check using nil? and blank? it returns false … How do I check for the nil condition that return true?

Rusrails: Валидации Active Record

bin/rails console >> p = Person.new(name: "John Doe") => #

ruby-on-rails - Как определить, если один массив содержит все ...

def equal_a(a1, a2) a1sorted = a1.sort a2sorted = a2.sort return false if a1.length != a2.length 0.upto(a1.length - 1) do |i| return false if a1sorted[i] != a2sorted[i] ...

Ruby: Checking if Nested Array Contains Array - ruby

Method: projects.locations.queues.tasks.get | Cloud Tasks | Google ...

If successful, the response body contains an instance of Task . ... If not already done, enable the Cloud Tasks API // and check the quota for your project at

Rusrails: Связи (ассоциации) Active Record

Ruby on Rails руководства, учебники, статьи на русском языке. ... Нет необходимости в использовании includes для ближайших связей - то есть, если есть Book belongs_to :author , то author автоматически ... if @book.author .nil?

Реализации алгоритмов/Двоичный поиск — Викиучебник

if (n == 0) { /* массив пуст */ return NOTFOUND(0); } else if (a[0] > x) { /* искомый ..... last, mid: integer; begin // Checking our array for emptiness. if ((arr = nil) or ...

Check if a value exists in an array in Ruby - Stack Overflow

I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird']. How do I check if it exists in the array without looping through it? Is there a simple way of checking if the value exists...

Применение Tarantool: хранимые процедуры / Блог компании ...

2 апр 2018 ... Getting a Lua table (array) with all the users tarantool> ... local api = {} -- The validator package contains checks for various value types -- This package sets the ... INVALID_PARAMS) end -- Checking if a user already exists with a given email ... COMMON_TYPE) if user_tuple ~= nil then if user_tuple[user.

ruby - How do I check if there's a nil set or not in an array?

If I set some nil values to an array, I don't seem to be able to check for them. I have tried any? and empty?.

include? (Array) - APIdock

Class: Array (Ruby 2.4.1)

Ruby: Checking an array contains an item · Mark Needham

Открытие клиента OneNote - Microsoft Graph | Microsoft Docs

26 ноя 2018 ... getInputStream(); /* Verify that this byte array is big enough. */ byte[] b1 = new byte[1024]; StringBuffer buffer = new StringBuffer(); /* Copy the ...

Использование MagicalRecord при разработке iOS приложений ...

13 сен 2014 ... Особенностью дизайна является влияние Ruby on Rails' системы хранения ..... [picker dismissViewControllerAnimated:YES completion:nil]; } .... [super viewWillAppear:animated]; // Check if the user's sort preference has been saved. .... contains[c] %@", searchText] inContext:[NSManagedObjectContext ...

Detecting Languages | Cloud Translation API | Google Cloud

This document describes how to use the Cloud Translation API to detect the language ... You can detect the language of a text string by sending an HTTP request ... if err != nil { .... Node.js. Python. Ruby. Ещё. To detect language for more than one string, ... Here, the response contains two detections, in the same order as the ...

ruby - Check if array contains more nils than other... - Stack Overflow

Given an array with only odd counts: … I would like to determine if there are nils or more non-nils. The approach I used was to make everything either true or false first.

Ruby - How do I check if there's a nil set or not in an array?

[ruby] Check for array not empty: any? [arrays] | CODE Q&A Solved...

Ruby/Справочник/Set — Викиучебник

Finally, if you are using class Set, you can also use Enumerable#to_set for convenience. Example ... Returns a new array containing elements common to the set and the given enumerable object. ... Если объект уже существует в коллекции, то метод вернёт nil. ... Returns true if the set contains the given object.