But I’ve bashed my head on it a couple of times trying to do the stuff that took 5 minutes with Syck. File rubygem-memoize.spec of Package rubygem-memoize # # spec file for package rubygem-memoize # # Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany. Using memoization in Ruby is very easy thanks to the memoize gem. The “Ruby Application Archive” was first started in 1997. It moved to raa.ruby-lang.org in … 365389 devel/rubygem-memoize 365389 devel/rubygem-memoize/Makefile 365389 devel/rubygem-memoize/distinfo 365389 devel/rubygem-memoize/pkg-descr devel/rubygem-memoize: add port for rubygem-memoize The memoize library allows you to cache methods for faster lookup. > Hello all, > > Using Memoize gem 1.2.0, memoizing TO a file appears to be working > for me > but subsequently reading that file (say, by rerunning the same script) > appears NOT to be working (the fib(n) calls are being run again). No documentation. Once you've installed the gem you must require it in your project: Search. 0.01. You can help the Ruby on Rails community by adding new notes. Ask Question Asked 6 years, 7 months ago. Creating a pure Ruby object (PORO) to email files in a Rails application. Discussion. Memoization in Mathematica – Memoization and limited memoization in Mathematica. The only valid value is :aes256, which specifies that the object should be stored using the AES encryption algorithm with 256 bit keys.Defaults to nil, meaning server side encryption is not used unless specified on each individual call to upload an object.This option controls the default behavior for the following methods: ... (the core code of Rails itself) the biggest changes are in the config.gems mechanism. This method has no description. Memery is very similar to Memoist.The difference is that it doesn't override methods, instead it uses Ruby 2 Module.prepend feature. Let's imagine we have a script, fib.rb: def fib (n) return n if n < 2 fib (n-1) + fib (n-2) end puts fib (40) Executing it is slow - on my machine, this is 20 seconds! The exception is if your entire program only memoizes something once or twice, so it’s not worth including a gem for. Categories. Install gem install functional-ruby or add the following line to Gemfile: gem 'functional-ruby' and run bundle install from your shell. Syck (from 1.8.7 and 1.9.2 IIRC) had some easily understood and well-documented features for de/serialising. Personal Moderator. A while ago during a job interview, I got asked to develop a generic memoization method in Ruby. Daniel Berger wrote: > Brian Buckley wrote: > > Hello all, > > > > Using Memoize gem 1.2.0, memoizing TO a file appears to be working > > for me but subsequently reading that file (say, by rerunning the > > same script) appears NOT to be working (the fib(n) calls are being > > run again). Memoization can be used to initialize a variable and store it with the result of some computation that is expected However, Ruby (and many other languages) also has the concept of "truthy" and "falsey" values. 25 package(s) known. This means values can be treated "as if" they were true or false.In Ruby only nil and false are falsey. \$\endgroup\$ – Mohamad Mar 12 '14 at 18:44 \$\begingroup\$ @Mohamad You are welcome. Documentation. file content (137 lines) | stat: -rw-r--r-- 3,780 bytes parent folder | download Remember that query caching is also active, so only memoize methods which perform in-Ruby calculations, not pure database fetches. memoizable – A Ruby gem that implements memoized methods. memoize_until. Which Ruby memoize pattern does ActiveSupport::Memoizable refer to? Upload image. To address this issue, the v1 Ruby SDK introduced a feature called memoization which allows the SDK to used cached values inside a block. # File activesupport/lib/active_support/memoizable.rb, line 44def memoize(*symbols)symbols.eachdo|symbol|original_method="_unmemoized_#{symbol}""_unmemoized_#{symbol}"memoized_ivar=MEMOIZED_IVAR.call(symbol)class_eval"include … What is Memoization? News. All other values (including zero) are treated as true (note: other languages make different choices. Brian Buckley wrote: > Hello all, > > Using Memoize gem 1.2.0, memoizing TO a file appears to be working for me > but subsequently reading that file (say, by rerunning the same script) > appears NOT to be working (the fib(n) calls are being run again). But Psych … well it works, obviously. RubyGems.org is the Ruby community’s gem hosting service. Just require 'memoist' and change Ruby’s current yaml support is good, but under-documented. Cached results can either be stored in memory (the default) or to a file. Show source. Trends. Python memoization – A Python example of memoization. memoize_until freshdesk/memoize_until Homepage Documentation Source Code Bug Tracker. AUR : ruby-memoize.git: AUR Package Repositories | click here to return to the package base details page: summary log tree commit diff stats ... _ruby = "/usr/bin/ruby" _gem = "/usr/bin/gem" pkgname = "ruby-memoize" pkgver = "1.3.1" pkgrel = 1 pkgdesc = "Speeds up … OCaml memoization – Implemented as a Camlp4 syntax extension. The algorithm to use when encrypting object data on the server side. If anyone is interested I have been able to patch the .liquid extension to work with Rails 2.2.2 - this patch works with both the gem (1.9.0) or latest from github, in either case try using the When a method fetches data from multiple tables, and perform some calculations before returning the resulting object, and this method is multiple times in requests, memoization might make sense. Project. class Foo include MemoRedux def bar end memoize:bar def self. Ruby on Rails 2.2 Release Notes. (Development dependency) Compare. memoize(*symbols)public. The goal is to be able to memoize a method by simply calling: memoize: ... For a more complete solution, you can check out the memoist gem. Memoization in Lua – Two example implementations of a general memoize function in Lua. Here's a pretty similar looking API to the aforementioned gems… Instantly publish your gems and then install them.Use the API to find out more about available gems. Templates. ... Memoizable def full_name "#{first_name} #{last_name}" end memoize :full_name Other features of memoization include unmemoize, unmemoize_all, and memoize_all to turn memoization on or off. Memoization is different from Lazy Initialization. ruby (ruby1.8, rvm) binutils (binutils-tune-bfd-hash, binutils-git) (make) ruby (ruby1.8, rvm) (make) ruby-test-unit (optional) – An xUnit family unit testing framework for Ruby. Ruby Hotspots: Finding avenues for Memoization and Caching ... where you memoize the information in the application itself and trade off some more memory for performance. # now only one request is made AWS.memoize do AWS.ec2.instances.each do |i| puts i.instance_id + ' => ' + i.status.to_s end end For more background information you can read this blog post. Packages for ruby:dirty-memoize. baz end memoize_class_method:baz end (A ‘macro’ in this context is a class-level method that generates code.) Become a contributor and improve the site yourself.. RubyGems.org is made possible through a partnership with the greater Ruby community. ... \$\begingroup\$ I would only add the memoize gem has a warning to use other gems. Port details: rubygem-memoize Speeds up methods at the cost of memory (or disk space) 1.3.1 devel =0 1.3.1 Version of this port present on the latest quarterly branch. Instantly publish your gems and then install them.Use the API to find out more about available gems. To that day, Ruby 2.7 is only supported in an experimental branch for this project and I … It should be fully compatible with any interpreter that is compliant with Ruby 2.0 or newer. I read it as meaning that Memoizable is no longer needed/wanted in the Rails code itself. ruby2.1-rubygem-memoize-doc rpm build for : openSUSE Leap 42.For other distributions click ruby2.1-rubygem-memoize-doc. Difference with other gems. Explore and compare open source Ruby libraries. Active 6 years, 7 months ago. Become a contributor and improve the site yourself.. RubyGems.org is made possible through a partnership with the greater Ruby community. If you still need to browse raa.ruby-lang.org, please visit RAA in the Internet Archive. (3) Another option is to use the Memoist gem: Memoist on GitHub; Memoist on RubyGems; It is a direct extraction from ActiveSupport::Memoizable and can be used as a drop-in replacement. RubyGems.org is the Ruby community’s gem hosting service. The last existing version (v2.2.1) is shown here. Home. > > Using Memoize gem 1.2.0, memoizing TO a file appears to be working > for me > but subsequently reading For example C treats zero as false).Re-using our example from above, we could also write: library to cache (memoize) method return values in database - 0.3.14 - a Ruby package on Rubygems - Libraries.io This tutorial will help you understanding Memoization pattern in Ruby. In the specific case of DSL (like my gem Kiba ETL and its sister gem kiba-common), capturing args to forward them to classes later, at this point I have found a bit painful to be able to capture kwargs indeed. gem ' persistent_memoize ' And then execute: $ bundle Or install it yourself as: $ gem install persistent_memoize Synopsis. The project is in a healthy, maintained state. Rails had Memoize to support memoization pattern which will be discussed as well. This library is pure Ruby and has no gem dependencies. Which Ruby memoize pattern does ActiveSupport::Memoizable refer to? Debian Oldstable oldstable/main Note that I don't necessarily interpret this change as meaning that all instances of memoize can or should be replaced w/ this pattern. The easiest way to keep using memoize is to use the Memoist gem ( http://github.com/matthewrudy/memoist , http://rubygems.org/gems/memoist ), which is a simple extraction of ActiveSupport::Memoizable into its own gem. 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