347 lines
8.8 KiB
HTML
347 lines
8.8 KiB
HTML
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This is <a href="."><em>Devhints.io cheatsheets</em></a> — a collection of cheatsheets I've written.
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<p class='prelude'><span></span></p>
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<h1><span>Pry</span></h1>
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<ul class="social-list ">
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</ul>
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<div class='post-content -cheatsheet'>
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<h3 id="cd">cd</h3>
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<pre><code>> cd Array
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</code></pre>
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<pre><code class="language-nohighlight">> ls
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Array.methods: [] try_convert
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Array#methods: & * + abbrev assoc at ...
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</code></pre>
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<pre><code>> show-source
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</code></pre>
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<h3 id="code">Code</h3>
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<pre><code class="language-nohighlight">> show-method Array#select
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</code></pre>
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<h3 id="docs">Docs</h3>
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<pre><code class="language-nohighlight">> ri Array
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> ri Array#each
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> cd Gem
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> show-doc try_activate
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</code></pre>
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<h3 id="finding">Finding</h3>
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<pre><code class="language-nohighlight">> find-method each
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Array#each
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Array#each_index
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Enumerable#each_slice
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...
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</code></pre>
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<h3 id="editing">Editing</h3>
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<pre><code>> edit Pry#repl
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</code></pre>
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<h3 id="gems">Gems</h3>
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<pre><code>> gem-cd foo # Switch to gem's dir
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> gem-install foo
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> gem-list
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</code></pre>
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<h3 id="misc-commands">Misc commands</h3>
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<pre><code>> hist # History
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> wtf? # Trace of recent exception
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</code></pre>
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<h2 id="rails">Rails</h2>
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<h3 id="rails-console">Rails console</h3>
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<p>Also consider <a href="https://rubygems.org/gems/pry-rails">pry-rails</a>.</p>
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<pre><code>$ pry -r ./config/environment
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</code></pre>
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<h3 id="rails-1">Rails</h3>
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<pre><code>> show-models
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> show-routes
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> show-middleware
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</code></pre>
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<h3 id="ls">ls</h3>
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<pre><code>> ls # All
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> ls -m # Methods
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> ls -M # Instance methods
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> ls -g # Globals
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> ls -l # Local vars
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> ls -c # Constants
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> ls -i # Instance vars
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> ls -G xx # Grey by regex
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</code></pre>
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<h2 id="shell-integration">Shell integration</h2>
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<p>shell-mode adds dir to the prompt.</p>
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<pre><code>pry(main)> shell-mode
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pry(main):/home/x $
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</code></pre>
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<p>Commands with <code>.</code> are shell commands.</p>
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<pre><code>pry(main)> .cat hello.txt
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</code></pre>
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<h2 id="hirb">hirb</h2>
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<p>Add the <a href="https://rubygems.org/gems/hirb">hirb</a> gem.</p>
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<pre><code>> table User.all
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> view User.all
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> view User.all, fields: %w[id name email]
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</code></pre>
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<h2 id="pry-rescue">pry-rescue</h2>
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<p>Add the <a href="https://github.com/ConradIrwin/pry-rescue">pry-rescue</a> gem.</p>
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<pre><code class="language-rb">Pry::rescue {
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# raise exceptions here
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}
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</code></pre>
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<p>Or run:</p>
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<pre><code>bundle exec rescue rspec
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</code></pre>
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<p>Additional commands:</p>
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<pre><code>pry(main)> cd-cause
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pry(main)> try-again
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</code></pre>
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<h2 id="pry-remote">pry-remote</h2>
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<p>Add the <a href="https://github.com/Mon-Ouie/pry-remote">pry-remote</a> gem.</p>
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<pre><code class="language-rb"># In your code:
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binding.remote_pry
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# In the shell:
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bundle exec pry-remote
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</code></pre>
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<h2 id="reference">Reference</h2>
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<ul>
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<li><a href="https://github.com/pry/pry">Pry</a></li>
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<li><a href="https://github.com/cldwalker/hirb">Hirb</a></li>
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</ul>
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<div class="about-the-site">
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<p class='blurb'>
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<strong><a href=".">Devhints.io cheatsheets</a></strong> is a collection of cheatsheets I've written over the years.
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Suggestions and corrections? <a href='https://github.com/rstacruz/cheatsheets/issues/907'>Send them in</a>.
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<i class='fleuron'></i>
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I'm <a href="http://ricostacruz.com">Rico Sta. Cruz</a>.
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Check out my <a href="http://ricostacruz.com/til">Today I learned blog</a> for more.
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