fix a few broken links

mattmakai · mattmakai · commit 97ae6af6538b · 2018-04-09T21:01:37.000-04:00
diff --git a/content/pages/03-data/21-bokeh.markdown b/content/pages/03-data/21-bokeh.markdown
@@ -59,7 +59,7 @@ basic syntax will change as the library's API is not yet stable.
 
 * [Integrating Pandas, Django REST Framework and Bokeh](http://www.machinalis.com/blog/pandas-django-rest-framework-bokeh/)
   has a full example of integrating a 
-  [web API](application-programming-interfaces.html) with a Bokeh
+  [web API](/application-programming-interfaces.html) with a Bokeh
   front end visual.
 
 * [Visualization with Bokeh](http://www.blog.pythonlibrary.org/2016/07/27/python-visualization-with-bokeh/)
@@ -97,4 +97,3 @@ basic syntax will change as the library's API is not yet stable.
   although the web application only contained a single type of data 
   visualization so it is hard to drawn any real conclusions from his
   opinion.
-
diff --git a/content/pages/04-web-development/01-web-frameworks.markdown b/content/pages/04-web-development/01-web-frameworks.markdown
@@ -56,7 +56,7 @@ For example, the [Django web application framework](/django.html) includes
 read, write, query, and delete operations in Python code rather than SQL. 
 However, Django's ORM cannot work without significant modification on 
 [non-relational (NoSQL) databases](/no-sql-datastore.html) such as 
-[MongoDB](/mongodb.html) or [Cassandra](/cassandra.html).
+[MongoDB](/mongodb.html) or [Cassandra](/apache-cassandra.html).
 
 Some other web frameworks such as [Flask](/flask.html) and 
 [Pyramid](/pyramid.html) are easier to
