fixing a bunch of broken links

mattmakai · mattmakai · commit 6cca37b1239d · 2020-05-01T13:15:34.000-04:00
diff --git a/content/pages/01-introduction/02-python-programming-language.markdown b/content/pages/01-introduction/02-python-programming-language.markdown
@@ -153,7 +153,7 @@ the very beginner topics.
   [comprehensions](http://python-3-patterns-idioms-test.readthedocs.org/en/latest/Comprehensions.html)
   including code examples and diagrams to explain how they work.
 
-* [Comprehensions in Python the Jedi way](https://gist.github.com/bearfrieze/a746c6f12d8bada03589)
+* [Comprehensions in Python the Jedi way](https://gist.github.com/mjhea0/1c0031bd6fcd9263f844)
   shows off comprehensions with a Star Wars theme to walk through the nuts
   and bolts. All examples use Python 3.5.
 
diff --git a/content/pages/02-development-environments/18-source-control.markdown b/content/pages/02-development-environments/18-source-control.markdown
@@ -118,10 +118,6 @@ control services are:
   part of an ongoing deployment guide written by the folks at 
   [Rainforest](https://www.rainforestqa.com/).
 
-* This lighthearted guide to the 
-  [ten astonishments in version control history](http://www.flourish.org/2011/12/astonishments-ten-in-the-history-of-version-control/) 
-  is a fun way to learn how systems developed over the past several decades.
-
 * [A visual guide to version control](http://betterexplained.com/articles/a-visual-guide-to-version-control/) 
   is a detailed article with real-life examples for why version control is
   necessary in software development.
diff --git a/content/pages/03-data/12-mongodb.markdown b/content/pages/03-data/12-mongodb.markdown
@@ -120,10 +120,6 @@ configure and start using MongoDB with Python.
   shows how to use Python to interface with MongoDB via PyMongo and 
   MongoEngine.
 
-* A [Gentle Introduction to MongoDB using Pymongo](http://altons.github.io/python/2013/01/21/gentle-introduction-to-mongodb-using-pymongo/)
-  reviews a connection configuration file, the basics for data insertion,
-  aggregation and updating records.
-
 * [How To Set Up Flask with MongoDB and Docker](https://www.digitalocean.com/community/tutorials/how-to-set-up-flask-with-mongodb-and-docker)
   combines the [Flask](/flask.html) web framework with MongoDB then
   containerizes the example application with [Docker](/docker.html).
diff --git a/content/pages/examples/django/django-conf-urls-url.markdown b/content/pages/examples/django/django-conf-urls-url.markdown
@@ -128,7 +128,7 @@ urlpatterns = [
 
 ## Example 3 from register
 [register](https://github.com/ORGAN-IZE/register) is a [Django](/django.html),
-[Bootstrap](/bootstrap.html), [PostgreSQL](/postgresql.html) project that is
+[Bootstrap](/bootstrap-css.html), [PostgreSQL](/postgresql.html) project that is
 open source under the 
 [GNU General Public License v3.0](https://github.com/ORGAN-IZE/register/blob/master/LICENSE).
 This web application makes it easier for people to register as organ donors. 
diff --git a/content/pages/examples/django/django-forms-datefield.markdown b/content/pages/examples/django/django-forms-datefield.markdown
@@ -311,7 +311,7 @@ except ImportError:
 
 ## Example 4 from register
 [register](https://github.com/ORGAN-IZE/register) is a [Django](/django.html),
-[Bootstrap](/bootstrap.html), [PostgreSQL](/postgresql.html) project that is
+[Bootstrap](/bootstrap-css.html), [PostgreSQL](/postgresql.html) project that is
 open source under the
 [GNU General Public License v3.0](https://github.com/ORGAN-IZE/register/blob/master/LICENSE).
 This web application makes it easier for people to register as organ donors.
