# Latest **URL:** https://metaruby.com/latest.md?page=3 [Latest](https://metaruby.com/latest.md) · [Categories](https://metaruby.com/categories.md) · [Tags](https://metaruby.com/tags.md) **Page:** 4 --- ## [How can I use checkboxes to change the value of an attribute?](https://metaruby.com/t/how-can-i-use-checkboxes-to-change-the-value-of-an-attribute/1680)
**Author:** [@Uriel1795](https://metaruby.com/u/Uriel1795)\ **Replies:** 1\ **Last updated:** [May 8, 2018, 6:50pm UTC](https://metaruby.com/t/how-can-i-use-checkboxes-to-change-the-value-of-an-attribute/1680 "2018-05-08T18:50:18Z")
I am creating a Ruby on Rails application where it searches for certain classes according to their: model, session and year. Moreover, I need a check box to filter which class is being displayed on the screen. The optio… --- ## [\[Screencast\] Ruby on Rails Development with Microsoft Windows 10](https://metaruby.com/t/screencast-ruby-on-rails-development-with-microsoft-windows-10/1678)
**Author:** [@kobaltz](https://metaruby.com/u/kobaltz)\ **Replies:** 0\ **Last updated:** [May 7, 2018, 12:53pm UTC](https://metaruby.com/t/screencast-ruby-on-rails-development-with-microsoft-windows-10/1678 "2018-05-07T12:53:15Z")
Developing a Ruby on Rails application on Windows can be difficult, but doesn’t have to be with Bash on Windows. Learn how to use Bash to install the Ruby interpreter. https://www.driftingruby.com/episodes/ruby-on-rails-… --- ## [Hazard a random library with weighted tables](https://metaruby.com/t/hazard-a-random-library-with-weighted-tables/1674)
**Author:** [@czuger](https://metaruby.com/u/czuger)\ **Replies:** 0\ **Last updated:** [May 4, 2018, 1:54pm UTC](https://metaruby.com/t/hazard-a-random-library-with-weighted-tables/1674 "2018-05-04T13:54:41Z")
Hello, I wrote a small library for dice simulation. You can simply roll dice like : Hazard.d6 (rolls a 6 sided dice). Hazard.d3d6 (rolls 3 6 sided dice). And much more I also recently added weighted tables which al… --- ## [Mr. Robot Elliot write code on Ruby](https://metaruby.com/t/mr-robot-elliot-write-code-on-ruby/1665)
**Author:** [@artemiy](https://metaruby.com/u/artemiy)\ **Replies:** 1\ **Last updated:** [April 30, 2018, 8:56am UTC](https://metaruby.com/t/mr-robot-elliot-write-code-on-ruby/1665 "2018-04-30T08:56:15Z")
--- ## [New version of Ruby gem markdown\_helper](https://metaruby.com/t/new-version-of-ruby-gem-markdown-helper/1667)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [April 29, 2018, 9:43pm UTC](https://metaruby.com/t/new-version-of-ruby-gem-markdown-helper/1667 "2018-04-29T21:43:17Z")
I have put up a new version of Ruby gem markdown\_helper. Section What’s New? is at the top of the README. --- ## [Time Complexity For Ruby Developers](https://metaruby.com/t/time-complexity-for-ruby-developers/1650)
**Author:** [@jesus\_castello](https://metaruby.com/u/jesus_castello)\ **Replies:** 0\ **Last updated:** [April 20, 2018, 1:22pm UTC](https://metaruby.com/t/time-complexity-for-ruby-developers/1650 "2018-04-20T13:22:24Z")
Time complexity is one of the most interesting concepts you can learn from computer science, and you don’t need a degree to understand it! If you want to learn about this I wrote an article for you: Let me know what … --- ## [Gem markdown\_helper CLI](https://metaruby.com/t/gem-markdown-helper-cli/1647)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [April 19, 2018, 2:59pm UTC](https://metaruby.com/t/gem-markdown-helper-cli/1647 "2018-04-19T14:59:23Z")
I’ve added a proper command-line interface to gem markdown\_helper. --- ## [Gem Documentation](https://metaruby.com/t/gem-documentation/1633)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [April 10, 2018, 10:38pm UTC](https://metaruby.com/t/gem-documentation/1633 "2018-04-10T22:38:51Z")
When forming a GitHub project into a Ruby gem, there are some complications: The gem’s documentation at RubyDoc.info does not like an image that has a relative file path. The gemspec must specify any additional markdow… --- ## [Infinity!](https://metaruby.com/t/infinity/1630)
**Author:** [@jesus\_castello](https://metaruby.com/u/jesus_castello)\ **Replies:** 0\ **Last updated:** [April 8, 2018, 10:56am UTC](https://metaruby.com/t/infinity/1630 "2018-04-08T10:56:49Z")
Did you know that you can create infinite values in Ruby? I made for the Ruby community where you will learn how: Don’t forget to subscribe to the channel to keep improving your Ruby skills & help me grow… --- ## [Ruby Gem markdown\_helper supports nested include files](https://metaruby.com/t/ruby-gem-markdown-helper-supports-nested-include-files/1628)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [April 7, 2018, 8:41pm UTC](https://metaruby.com/t/ruby-gem-markdown-helper-supports-nested-include-files/1628 "2018-04-07T20:41:06Z")
I have put up Ruby gem markdown\_helper v1.5, which supports nested file inclusion. An included file may now include more files. --- ## [Advise a good blog engine, please](https://metaruby.com/t/advise-a-good-blog-engine-please/1601)
**Author:** [@artemiy](https://metaruby.com/u/artemiy)\ **Replies:** 14\ **Last updated:** [April 5, 2018, 10:19am UTC](https://metaruby.com/t/advise-a-good-blog-engine-please/1601 "2018-04-05T10:19:06Z")
Hello, all. :slight\_smile: I am looking for a blog engines for myself. There are a lot of them, and each is good in its own way. What do you advise? --- ## [\[Screencast\] ActiveRecord Tricks](https://metaruby.com/t/screencast-activerecord-tricks/1622)
**Author:** [@kobaltz](https://metaruby.com/u/kobaltz)\ **Replies:** 0\ **Last updated:** [April 2, 2018, 12:10pm UTC](https://metaruby.com/t/screencast-activerecord-tricks/1622 "2018-04-02T12:10:21Z")
In this episode, we look at what would seemingly be simple queries, but are more complex once you start looking into them. Using built in ActiveRecord functions, we can make the queries readable and easy to work with. ht… --- ## [Does anyone know how to do a blacklist in ruby?](https://metaruby.com/t/does-anyone-know-how-to-do-a-blacklist-in-ruby/1620)
**Author:** [@Carlos](https://metaruby.com/u/Carlos)\ **Replies:** 1\ **Last updated:** [April 2, 2018, 2:58am UTC](https://metaruby.com/t/does-anyone-know-how-to-do-a-blacklist-in-ruby/1620 "2018-04-02T02:58:02Z")
I need to reject a few words when a user creates a comment, I need to know how I can do this without using a gem :frowning: --- ## [Comment and advice about ruby / rails training](https://metaruby.com/t/comment-and-advice-about-ruby-rails-training/1616)
**Author:** [@RubyRailsNinja](https://metaruby.com/u/RubyRailsNinja)\ **Replies:** 4\ **Last updated:** [April 1, 2018, 8:05pm UTC](https://metaruby.com/t/comment-and-advice-about-ruby-rails-training/1616 "2018-04-01T20:05:31Z")
hi there quite new to this forum :stuck\_out\_tongue: I am ruby and rails developer since 7 years , but only during my spare time and also developer during my dayjob, but not in ruby. I always wanted to be my own boss,… --- ## [RoRvsWild: Ruby on Rails app monitoring](https://metaruby.com/t/rorvswild-ruby-on-rails-app-monitoring/1481)
**Author:** [@antoinem](https://metaruby.com/u/antoinem)\ **Replies:** 3\ **Last updated:** [April 1, 2018, 7:27am UTC](https://metaruby.com/t/rorvswild-ruby-on-rails-app-monitoring/1481 "2018-04-01T07:27:49Z")
RoRvsWild is a performances and errors monitoring tool for Rails developers. The Ruby gem now includes a development mode that lets you supervise your requests performances before you deploy your code, and without sendin… --- ## [Call Mailer from a script RoR](https://metaruby.com/t/call-mailer-from-a-script-ror/1520)
**Author:** [@sakshik](https://metaruby.com/u/sakshik)\ **Replies:** 1\ **Last updated:** [April 1, 2018, 7:25am UTC](https://metaruby.com/t/call-mailer-from-a-script-ror/1520 "2018-04-01T07:25:11Z")
I have a rails application myrails. I have generated a UserMailer. It created: myrails/app/mailers/user\_mailer.rb placeholder for templates of mails: myrails/app/view/user\_mailer/…’ I wrote an action in user\_mailer.r… --- ## [Automation QA](https://metaruby.com/t/automation-qa/1603)
**Author:** [@artemiy](https://metaruby.com/u/artemiy)\ **Replies:** 2\ **Last updated:** [April 1, 2018, 7:22am UTC](https://metaruby.com/t/automation-qa/1603 "2018-04-01T07:22:47Z")
Hello. What tools do you use to automate testing? Selenium Webdriver + Ruby, right? --- ## [Project structured\_log Goes Public](https://metaruby.com/t/project-structured-log-goes-public/1607)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [March 28, 2018, 8:59pm UTC](https://metaruby.com/t/project-structured-log-goes-public/1607 "2018-03-28T20:59:45Z")
GitHub project structured\_log is now public. Soon to be a Ruby gem. --- ## [Gem markdown\_helper v1.0.0 released](https://metaruby.com/t/gem-markdown-helper-v1-0-0-released/1594)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [March 19, 2018, 6:37pm UTC](https://metaruby.com/t/gem-markdown-helper-v1-0-0-released/1594 "2018-03-19T18:37:26Z")
I have released v1.0.0 of gem markdown\_helper. --- ## [Change GitHub Project Name?](https://metaruby.com/t/change-github-project-name/1590)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 2\ **Last updated:** [March 19, 2018, 12:14pm UTC](https://metaruby.com/t/change-github-project-name/1590 "2018-03-19T12:14:41Z")
I started a GH project named ‘MarkdownHelper’ and later released it to rugygems.org. Following the convention, I named the gem ‘markdown\_helper’, which means that the project name and gem name are different. (This is o… --- ## [Differences between procs and lambdas](https://metaruby.com/t/differences-between-procs-and-lambdas/1592)
**Author:** [@farsi\_mehdi](https://metaruby.com/u/farsi_mehdi)\ **Replies:** 0\ **Last updated:** [March 19, 2018, 7:57am UTC](https://metaruby.com/t/differences-between-procs-and-lambdas/1592 "2018-03-19T07:57:47Z")
lambdas are strict on argument number. If the call doesn’t respect the exact number of argument then an ArgumentError is raised… see more --- ## [Updated Gem markdown\_helper](https://metaruby.com/t/updated-gem-markdown-helper/1583)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [March 15, 2018, 2:31pm UTC](https://metaruby.com/t/updated-gem-markdown-helper/1583 "2018-03-15T14:31:19Z")
I’ve put up a new version of gem markdown\_helper Now, by default, the output markdown has added comments that show: The path to the template file. The path to each included file. The image description (original) for e… --- ## [MarkdownHelper Updated](https://metaruby.com/t/markdownhelper-updated/1576)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [March 9, 2018, 10:18pm UTC](https://metaruby.com/t/markdownhelper-updated/1576 "2018-03-09T22:18:58Z")
I have updated the markdown\_helper gem. Features: File inclusion Image path resolution (new) The image path resolution replaces relative image paths with absolute image URLs. This matters because in the documentati… --- ## [FasterPath v0.3.7 released and it works without Rust installed!](https://metaruby.com/t/fasterpath-v0-3-7-released-and-it-works-without-rust-installed/1569)
**Author:** [@danielpclark](https://metaruby.com/u/danielpclark)\ **Replies:** 1\ **Last updated:** [March 8, 2018, 1:46am UTC](https://metaruby.com/t/fasterpath-v0-3-7-released-and-it-works-without-rust-installed/1569 "2018-03-08T01:46:14Z")
You can easily make your older Rails app load more than 30% faster. FasterPath now officially builds many versions of its library on Github and when you do gem install, if the version is available, it will download the … --- ## [Operators::Service - a lightweight implementation of Service Object based on Either Monad](https://metaruby.com/t/operators-service-a-lightweight-implementation-of-service-object-based-on-either-monad/1515)
**Author:** [@kirill\_shevch](https://metaruby.com/u/kirill_shevch)\ **Replies:** 2\ **Last updated:** [March 7, 2018, 1:03pm UTC](https://metaruby.com/t/operators-service-a-lightweight-implementation-of-service-object-based-on-either-monad/1515 "2018-03-07T13:03:41Z")
Service Object based on Either Monad https://github.com/operators-rb/operators-service --- ## [More Help with Markdown?](https://metaruby.com/t/more-help-with-markdown/1567)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 1\ **Last updated:** [March 7, 2018, 1:41am UTC](https://metaruby.com/t/more-help-with-markdown/1567 "2018-03-07T01:41:09Z")
The markdown\_helper gem I’ve put up does (so far) one thing: Supports file inclusion. I have in mind two additional features: Support for relative links for images (see below for why this matters). Support slidesh… --- ## [\[Screencast\] Encrypted Credentials in Rails 5.2](https://metaruby.com/t/screencast-encrypted-credentials-in-rails-5-2/1565)
**Author:** [@kobaltz](https://metaruby.com/u/kobaltz)\ **Replies:** 0\ **Last updated:** [March 5, 2018, 1:05pm UTC](https://metaruby.com/t/screencast-encrypted-credentials-in-rails-5-2/1565 "2018-03-05T13:05:58Z")
In this episode, we take a look at the Encrypted Credentials of Ruby on Rails 5.2 and how we can patch it so that we can use other YAML files like a development.yml and test.yml. https://www.driftingruby.com/episodes/enc… --- ## [Method Name: Straightforward, or Accurate?](https://metaruby.com/t/method-name-straightforward-or-accurate/1545)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 5\ **Last updated:** [March 5, 2018, 3:50am UTC](https://metaruby.com/t/method-name-straightforward-or-accurate/1545 "2018-03-05T03:50:26Z")
I am working on a Ruby logger. (Yes, yet another logger! But this one is different. Really!). For logging an array (or array-like object), the method could be either Log#put\_array or Log#put\_each\_with\_index. The for… --- ## [Ruby Case statement](https://metaruby.com/t/ruby-case-statement/1561)
**Author:** [@farsi\_mehdi](https://metaruby.com/u/farsi_mehdi)\ **Replies:** 0\ **Last updated:** [March 2, 2018, 2:03pm UTC](https://metaruby.com/t/ruby-case-statement/1561 "2018-03-02T14:03:01Z")
A case statement consists of an optional condition followed by zero or more when conditions. It returns the value of the first truthy when statement. Otherwise nil. See more --- ## [Milestone: 1K Downloads](https://metaruby.com/t/milestone-1k-downloads/1555)
**Author:** [@BurdetteLamar](https://metaruby.com/u/BurdetteLamar)\ **Replies:** 0\ **Last updated:** [March 1, 2018, 6:58pm UTC](https://metaruby.com/t/milestone-1k-downloads/1555 "2018-03-01T18:58:42Z")
My first gem on RubyGems.org, markdown\_helper just passed one thousand downloads. But I can’t get puffed up – the most popular gem, bundler has been downloaded 224 million times. [Previous page](https://metaruby.com/latest.md?page=2) [Next page](https://metaruby.com/latest.md?page=4)