added line nos to code snippets

Ram swaroop · Ram swaroop · commit f42d02578db3 · 2015-05-25T10:24:49.000+05:30
diff --git a/_posts/2015-05-21-declarations.md b/_posts/2015-05-21-declarations.md
@@ -94,7 +94,7 @@ class, or as a class member, however they must not be declared within a method.
 
 #### An enum outside a class:
 
-{% highlight java %}
+{% highlight java linenos %}
 
 enum CoffeeSize { BIG, HUGE, OVERWHELMING } // this cannot be
                                             // private or protected
@@ -118,7 +118,7 @@ with only the __public or default modifier__, just like a class (non-inner)._
 
 #### An enum inside a class:
 
-{% highlight java %}
+{% highlight java linenos %}
 
 class Coffee2 {
     enum CoffeeSize {BIG, HUGE, OVERWHELMING }; // <-- semicolon is optional
@@ -145,7 +145,7 @@ enumerated CoffeeSize types are actually __instances of CoffeeSize__. In other w
 is of type CoffeeSize. Think of an enum as a kind of class, that looks something
 (but not exactly) like this:
 
-{% highlight java %}
+{% highlight java linenos %}
 
 // conceptual example of how you can think
 // about enums
@@ -196,7 +196,7 @@ somehow have the `OVERWHELMING` constant override the `getLidCode()` method.
 
 The below code snippet describes two of the above preceding points:
 
-{% highlight java %}
+{% highlight java linenos %}
 
 enum CoffeeSize {
     BIG(8),
diff --git a/_posts/2015-05-22-access-control.md b/_posts/2015-05-22-access-control.md
@@ -24,7 +24,7 @@ subclass **if the subclass is in a different package** from the parent class.
 
 The following code snippet makes it clear:
 
-{% highlight java %}
+{% highlight java linenos %}
 package certification;
 public class Parent {
     protected int x = 9; // protected access
diff --git a/_sass/external/_syntax.scss b/_sass/external/_syntax.scss
@@ -61,3 +61,5 @@
 .vg { color: #008080 } /* Name.Variable.Global */
 .vi { color: #008080 } /* Name.Variable.Instance */
 .il { color: #009999 } /* Literal.Number.Integer.Long */
+.lineno { opacity:.2; color: #cccccc;-webkit-transition: opacity .5s linear; transition: opacity .5s linear;} /* Line nos */
+.highlight:hover .lineno { opacity: 1 } /* Show line nos on hover */
