.

jscoverage.md

@@ -16,10 +16,10 @@ layout: default
 The `coverage` task injects your source files (`lib`) with jscoverage hooks, runs `mocha -R html-cov`, then restores later.
 
     /* directory */
-    "coverage": "mv lib lib~; (./node_modules/.bin/jscoverage lib~ lib; ./node_modules/.bin/mocha -R html-cov > coverage.html); rm -rf lib; mv lib~ lib"
+    "coverage": "mv lib lib~; (jscoverage lib~ lib; mocha -R html-cov > coverage.html); rm -rf lib; mv lib~ lib"
 
     /* single file */
-    "coverage": "(cp index.js index.js~; ./node_modules/.bin/jscoverage index.js; mv index-cov.js index.js; ./node_modules/.bin/mocha -R html-cov > coverage.html); mv index.js~ index.js"
+    "coverage": "(cp index.js index.js~; jscoverage index.js; mv index-cov.js index.js; mocha -R html-cov > coverage.html); mv index.js~ index.js"
 
 ### Run
 

ruby21.md

@@ -0,0 +1,25 @@
+---
+title: Ruby 2.1
+layout: default
+---
+
+### Named arguments with defaults
+
+    # length is required
+    def pad(num, length:, char: "0")
+      num.to_s.rjust(length, char)
+    end
+
+    pad(42, length: 6)   #=> "000042"
+    pad(42)              #=> #<ArgumentError: missing keyword: length>
+
+### Module.prepend
+
+    prepend(Module.new do
+      define_method ...
+    end)
+
+### References
+
+ * http://globaldev.co.uk/2013/03/ruby-2-0-0-in-detail
+ * http://globaldev.co.uk/2014/05/ruby-2-1-in-detail