Merge branch 'master' of github.com:bogdan/blog

bogdan · Aug 23, 2014 · d205496 · d205496
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diff --git a/.ruby-version b/.ruby-version
@@ -0,0 +1 @@
+2.0.0
diff --git a/_posts/2012-01-10-datagrid-reports-release-gem.markdown b/_posts/2012-01-10-datagrid-reports-release-gem.markdown
@@ -10,7 +10,7 @@ tags:
 
 [Datagrid](https://github.com/bogdan/datagrid) version 0.5.0 has been released. 
 
-Datagrid is a Ruby on Rails plugin that helps you to build and [represent table-like data](http://datagrid.heroku.com) with:
+Datagrid is a Ruby on Rails plugin that helps you to build and [represent table-like data](http://datagrid.herokuapp.com) with:
 
 * Customizable filtering
 * Columns
@@ -23,7 +23,7 @@ Here are some major features from new release.
 
 ### Mongoid support
 
-Previously Datagrid supported only ActiveRecord ORM. Now Mongoid is also available: [see the demo](http://datagrid.heroku.com/document_reports).
+Previously Datagrid supported only ActiveRecord ORM. Now Mongoid is also available: [see the demo](http://datagrid.herokuapp.com/document_reports).
 
 New datagrid driver architecture allows to add yet another ORM in less then [40 lines of code](https://github.com/bogdan/datagrid/blob/master/lib/datagrid/drivers/mongoid.rb).
 

diff --git a/_posts/2012-02-30-javascript-ajax-submit-form-validation.markdown b/_posts/2012-02-30-javascript-ajax-submit-form-validation.markdown
@@ -102,7 +102,7 @@ $('#new_user').ajaxForm();
 {% endhighlight %}
 
 The main goal reached: Make super modern AJAX form is as easy as regular form.
-If you still can't believe that it is so easy - check out [LIVE demo](http://ajaxsubmit.heroku.com).
+If you still can't believe that it is so easy - check out [LIVE demo](http://ajaxsubmit.herokuapp.com).
 
 
 ## AjaxSubmit: Is it flexible?

diff --git a/_posts/2012-07-23-substitute-refactoring-ruby-shell.markdown b/_posts/2012-07-23-substitute-refactoring-ruby-shell.markdown
@@ -41,7 +41,7 @@ done
 Before you commit:
 
 *	Check that database doesn't store any Class name that is under renaming. Apply migration in "Yes" case.
-* Check for super-meta calls where class name or method name is constructed dynamically(you didn't do that, right?)
+* Check for super-meta calls where class name or method name is constructed dynamically (you don't do it often, right?)
 *	Run your unit tests(you have some, yeah?) and check core pages before commit.
 *	Check diff with your version control system
 

diff --git a/_posts/2014-05-27-podcast-interview-le0pard-open-source-contribution.html b/_posts/2014-05-27-podcast-interview-le0pard-open-source-contribution.html
@@ -0,0 +1,29 @@
+---
+layout: post
+title: "Took part in a podcast with Alexey Vasiliev"
+#published: false
+tags: 
+- podcast
+- opensource
+- contribution
+- datagrid
+- ajaxsubmit
+---
+
+<p>
+Last weekend I took part in the a podcast with Alexey Vasiliev. We talked about my path in Open Source, Rails and IT industry in ukraine.
+
+</p>
+<p>
+It is all in Russian.
+You can listen it here:
+<br/>
+<strong>
+  <a href="http://www.rwpod.com/posts/2014/05/24/cafe-002.html">http://www.rwpod.com/posts/2014/05/24/cafe-002.html</a>
+</strong>
+</p>
+
+<!--more-->
+
+
+
diff --git a/_posts/2014-07-25-rubyc-conference-video-parsers-slides.markdown b/_posts/2014-07-25-rubyc-conference-video-parsers-slides.markdown
@@ -0,0 +1,14 @@
+---
+layout: post
+title: "My Talk from RubyC conference"
+tags: 
+- slides
+- video
+- conference
+- parsers
+---
+
+Here is a video from the excellent [Rubyc](http://rubyc.eu/) conference. Hope you will find this video funny as well:
+[All about parsers in ruby](https://www.youtube.com/watch?v=OlXdngQUix8)
+<!--more-->
+
diff --git a/main.otl b/main.otl
@@ -8,19 +8,31 @@ Home
 		30x40
 	Large ceramic knife
 	Kran
-	Verevka
 	Tolkalka
 	drums
 	umbrella
 	Toschi
-	Places to go on weekend?
-		Umbrella
-		daily
+	Trade Center
+		Dreamtown
+		OceanPlaza
+		Lesnaya
+		Ukraina
+		Globus
+		Bolshevik
+		Skymall
+	Park
+		Mariinskiy
+		Feofania
+		Slavy
+		Dubki
+		Dorogozhichi
+
+
+	daily
 		Grelka
 		Hot water
 		masg
 		dfi
-	Shipachki + silicon
 
 
 OSS
@@ -70,7 +82,7 @@ OSS
 				Want to let you know about ajaxsubmit library.
 				This library is aimed to convert any regular web form into ajax web form.
 
-				http://ajaxsubmit.heroku.com
+				http://ajaxsubmit.herokuapp.com
 
 				I think it's done with some new level of flexibility that wasn't done before: checkout configuration and API documentation.
 	Rails
@@ -83,22 +95,18 @@ OSS
 			/rails/rake db:migrate
 			Check SQL select * from pv where price <= Infinity
 			Make rails raise exception if asset is used directly but not precompiled
-			#valid! method
 			Move mass assignment attributes to activemodel
 			Make increment thread safe
-			DateTime blow up a log
 
 			AR::Base#can_be_deleted?
-		has_many :tags, :accepts_nested_attributes => true
-		Resolve changelog merge problem
+			has_many :tags, :accepts_nested_attributes => true
+			Resolve changelog merge problem
+			#update_column to support hash argument
 		rake db:migrate:down STEP=
 		as_json(:id, :email, :active) api
-		Pass binds to AR::Base.conn.select_value
 		Minify backtrace for exceptions in rails console
 		model.attributes.except(:id, :created_at, :updated_at)
 		Document out resource(s) :as option
-		#update_column to support hash argument
-		Move #create! to the right spot
 		Checkout ugly link in bid introduction email 
 			employer_bid_url(@bid)
 		Application.yml
@@ -110,18 +118,17 @@ OSS
 		pluck a hash
 		valid! debug message
 		red sql
-		'_id'.humanize
 		AR::Base#param_key
 		Sqlite millisecond hunting
 			where(:created_at => Date.today.beginning_of_day)
 		Rollback changes on transaction rollback
 		select with nil choices
 			https://github.com/rails/rails/blob/master/actionview/lib/action_view/helpers/tags/select.rb#L36
-		Instantiate sti association build with class
-			offer.rewards.build(type: 'ReferralReward').class # => ReferralReward
-		https://github.com/rails/rails/pull/13606/files
 		User.order(:id).last(3) don't use SQL limiting
-		4.0 -> 4.1 routes.sites_path(:zz => {})
+		class Model < ActiveRecord::Base
+		change_table should execute alter table only once
+		Inverse scope like Campaign.not(:active)
+		VisitorOffer.joins(:offer).where(offers: { campaign_id: Site.first.campaigns }).to_sql
 
 	Rspec-rails
 		Subshell on rake spec

diff --git a/pages/ajaxsubmit.html b/pages/ajaxsubmit.html
@@ -34,7 +34,7 @@ <h3 style="float: left">
                 <a target="_blank" href="https://github.com/bogdan/ajaxsubmit">Source code</a> 
               </h3>
               <h3 style="margin: 0px 24px; float: left">
-                <a target="_blank" href="http://ajaxsubmit.heroku.com">Live DEMO</a> 
+                <a target="_blank" href="http://ajaxsubmit.herokuapp.com">Live DEMO</a> 
               </h3>
               <h3 style="float: left">
                 <a target="_blank" href="http://gusiev.com">Author Blog</a> 

diff --git a/slides/ajaxsubmit/one/01_slide.md b/slides/ajaxsubmit/one/01_slide.md
@@ -178,7 +178,7 @@ Different approaches
 * Show errors on hover
 * Show errors in popup-like box with close button
 
-[http://ajaxsubmit.heroku.com/](http://ajaxsubmit.heroku.com/)
+[http://ajaxsubmit.herokuapp.com/](http://ajaxsubmit.herokuapp.com/)
 
 !SLIDE 
 

diff --git a/slides/ajaxsubmit/static/index.html b/slides/ajaxsubmit/static/index.html
@@ -261,7 +261,7 @@ <h1>Three variants of design:</h1>
 </ul>
 
 
-<p><a href="http://ajaxsubmit.heroku.com/">http://ajaxsubmit.heroku.com/</a></p></div>
+<p><a href="http://ajaxsubmit.herokuapp.com/">http://ajaxsubmit.herokuapp.com/</a></p></div>
 </div><div class="slide" data-transition="none"><div class="content" ref="one/01_slide/19">
 <p><img src="/image/pointer.png"/></p>
 

diff --git a/slides/datagrid/index.html b/slides/datagrid/index.html
@@ -290,7 +290,7 @@ <h3>
           </h3>
           <h2>Demo</h2>
           <h3>
-            <a href='http://datagrid.heroku.com'>datagrid.heroku.com</a>
+            <a href='http://datagrid.herokuapp.com'>datagrid.herokuapp.com</a>
           </h3>
         </section>
       </div>

diff --git a/slides/datagrid/views/index.haml b/slides/datagrid/views/index.haml
@@ -509,7 +509,7 @@
             %a{href: "http://github.com/bogdan/datagrid/wiki"} github.com/bogdan/datagrid/wiki 
           %h2 Demo
           %h3 
-            %a{href: "http://datagrid.heroku.com"} datagrid.heroku.com 
+            %a{href: "http://datagrid.herokuapp.com"} datagrid.herokuapp.com 
 
 
     %script{:src => "http://lab.hakim.se/reveal-js/lib/js/head.min.js"}

diff --git a/slides/parsers/index.html b/slides/parsers/index.html
@@ -49,7 +49,7 @@ <h1>P-A-R-S-E-R-S</h1>
         <section>
           <h3>Why?</h3>
           <h3>Because best way to pass data from one App to another is</h3>
-          <h2>Serialization</h2>
+          <h2 class='fragment highlight green'>Serialization</h2>
           <h5>
             <strike>COM</strike>
             <strike>RMI</strike>
@@ -60,10 +60,11 @@ <h3>One more less obvious reason</h3>
           <h2 style='font-family: arial'>
             ... сейчас обсуждаем возможность сделать конфу более технической.
           </h2>
-          <h2>So this talk required to be hardcore</h2>
+          <h2>So this talk required to be</h2>
+          <h1 class='fragment highlight red'>hardcore</h1>
         </section>
         <section>
-          <h3>Plan</h3>
+          <h1>Plan</h1>
           <ul>
             <li>Easy Part</li>
             <li>Classification</li>
@@ -86,12 +87,18 @@ <h3>Regular Expression</h3>
         </section>
         <section>
           <h3>Each regular expression can parse particular grammar</h3>
-          <h2>What is a grammar?</h2>
+          <h2>
+            What is a
+            <div class='highlight green'>grammar?</div>
+          </h2>
         </section>
         <section>
           <h3>Regular expressions are great!</h3>
           <h3>Their power is huge.</h3>
-          <h2>But what is the limit?</h2>
+          <h2>
+            But what is the
+            <div class='highlight red'>limit?</div>
+          </h2>
         </section>
         <section>
           <h3>
@@ -105,8 +112,13 @@ <h2>
         </section>
         <section>
           <h3>Regular expression can only parse something that could be parsed with one iteration</h3>
-          <h4>in other words</h4>
-          <h1>From Left to Right</h1>
+          <br>
+          <br>
+          <br>
+          <div class='fragment'>
+            <h4>in other words</h4>
+            <h2>From Left to Right</h2>
+          </div>
         </section>
         <section>
           <h3>Several obvious examples</h3>
@@ -159,32 +171,32 @@ <h3>Grammar is regular if it don't contain "recursive" generators.</h3>
         <section>
           <h3>So what to do?</h3>
           <h2>Not sure</h2>
-          <h3>the only one thing we know is that regular expressions will not help</h3>
-          <pre><code class='ruby'>def match_aabb_pattern?(string)&#x000A;  string.each_char.with_index.each do |c, i|&#x000A;    case c&#x000A;    when 'a'&#x000A;      count_a += 1&#x000A;    when 'b'&#x000A;      return count_a == string.size - i - 1&#x000A;    else&#x000A;      return false&#x000A;    end&#x000A;  end&#x000A;  return false&#x000A;end&#x000A;</code></pre>
+          <h4>the only one thing we know is that regular expressions will not help</h4>
+          <pre style='font-size: 0.4em'><code class='ruby'>def match_aabb_pattern?(string)&#x000A;  string.each_char.with_index.each do |c, i|&#x000A;    case c&#x000A;    when 'a'&#x000A;      count_a += 1&#x000A;    when 'b'&#x000A;      return count_a == string.size - i - 1&#x000A;    else&#x000A;      return false&#x000A;    end&#x000A;  end&#x000A;  return false&#x000A;end&#x000A;</code></pre>
         </section>
         <section>
-          <h3>This is where we understand the power of Regex's</h3>
-          <h2>And their limits</h2>
-          <h3>Writing parsers for non-regular grammars is a big problem</h3>
+          <h2>Regular Expressions</h2>
+          <h1>
+            <span class='highlight green'>Powers</span>
+            <span>&amp;</span>
+            <span class='highlight red'>Limits</span>
+          </h1>
         </section>
         <section>
           <h2>Grammars/Parsers can be</h2>
-          <ul>
-            <li>
-              <h3>Regular</h3>
-            </li>
-            <li>
-              <h3>Recursive</h3>
-            </li>
-          </ul>
+          <h1>
+            <span class='highlight green'>Regular</span>
+            <span>&amp;</span>
+            <span class='highlight red'>Recursive</span>
+          </h1>
         </section>
         <section>
           <h2>Getting close to real world examples</h2>
           <img src='http://monosnap.com/image/1BfsQy5LwfhC4khKNTLjvTvnx2M58A.png'>
+          <h2>Regex are still possible</h2>
         </section>
         <section>
-          <h2>Regex are still possible</h2>
-          <h3>But not really in the long term</h3>
+          <h2>But not really in the long term</h2>
           <img src='http://monosnap.com/image/7wOQJ9xYqaX6oxeCvOUZGDjT4Gq8Ve.png'>
         </section>
         <section>
@@ -194,7 +206,7 @@ <h2>Start from Tokenizing</h2>
         <section>
           <h2>Builing Abstract Syntax Tree (AST)</h2>
           <h4>The Hardest Part</h4>
-          <pre>['12', <span class='highlight yellow'>'*'</span>, <span class='highlight green'>[</span><span class='highlight red'>'('</span>, '2', '+', '8' '/', '(', '13.5', '+', '7', ')', <span class='highlight red'>')'</span><span class='highlight green'>]</span> ]&#x000A;[left = '12', <span class='highlight yellow'>operator</span>, right = <span class='highlight green'>[</span>...<span class='highlight green'>]</span>]&#x000A;&#x000A;['12', '*', [ '2', '+', '8' '/', '(', '13.5', '+', '7', ')'] ]&#x000A;Cleanup useless brackets&#x000A;&#x000A;['12', '*', [ '2', '+', [ '8' '/', '(', '13.5', '+', '7', ')' ] ] ]&#x000A;# Repeat for right and left node&#x000A;&#x000A;['12', '*', [ '2', '+', [ '8' '/', [ '13.5', '+', '7', ] ]]]&#x000A;# Repeat for right and left node</pre>
+          <pre>['12', <span class='highlight yellow'>'*'</span>, <span class='highlight green'>[</span><span class='highlight red'>'('</span>, '2', '+', '8' '/', '(', '13.5', '+', '7', ')', <span class='highlight red'>')'</span><span class='highlight green'>]</span> ]&#x000A;[left = '12', <span class='highlight yellow'>operator</span>, right = <span class='highlight green'>[</span>...<span class='highlight green'>]</span>]&#x000A;&#x000A;['12', '*', [ '2', '+', '8' '/', '(', '13.5', '+', '7', ')'] ]&#x000A;Cleanup useless brackets <span class="highlight red">( )</span>&#x000A;&#x000A;&#x000A;['12', '*', [ '2', <span class="highlight yellow">'+'</span>, <span class="highlight green">[</span> '8' '/', '(', '13.5', '+', '7', ')' <span class="highlight green">]</span> ] ]&#x000A;# Repeat for right and left node&#x000A;&#x000A;['12', '*', [ '2', '+', [ '8', <span class="highlight yellow">'/'</span>, <span class="highlight green">[</span> '13.5', '+', '7', <span class="highlight green">]</span> ]]]&#x000A;# Repeat for right and left node</pre>
           <ol>
             <li>Find lowest priority operator</li>
             <li>Split Array into 3 parts: left operand, operator, right operand</li>
@@ -304,7 +316,7 @@ <h4>They are so severe that created their own syntax</h4>
           </div></pre>
         </section>
         <section>
-          <h2>Parser markup is compilable to ruby</h2>
+          <h2>Parser markup is compiled to ruby</h2>
           <pre><code>racc -l -o parser.rb parser.y&#x000A;</code></pre>
           <h3>
             <a href='https://github.com/tenderlove/racc'>github.com/tenderlove/racc</a>
@@ -315,14 +327,25 @@ <h3>
         </section>
         <section>
           <h2>Ukraine is having a hard time</h2>
-          <h3>How we can help? What others can not do?</h3>
-          <h5>
+          <p>
             Software developers have unique opportunity to support economics of our country.
             We are the only one that can really bring money to Ukraine.
-          </h5>
+          </p>
           <h2>So, lets do our work better</h2>
           <h5>And waste less money on new Smart Phones</h5>
         </section>
+        <section>
+          <h2>Thanks for your attension</h2>
+          <h3>
+            <a href='http://gusiev.com'>http://gusiev.com</a>
+          </h3>
+          <h3>
+            <a href='http://github.com/bogdan'>http://github.com/bogdan</a>
+          </h3>
+          <h3>
+            <a href='http://gusiev.com/slides/parsers'>http://gusiev.com/slides/parsers</a>
+          </h3>
+        </section>
       </div>
     </div>
     <script src='http://lab.hakim.se/reveal-js/lib/js/head.min.js'></script>