Added Google Colab to activities page

Author: dangerworm

pages-activities/activities-practice.html

@@ -31,17 +31,17 @@ <h4>
                 <h4>
                     <span class="fas fa-candy-cane"></span>
                     <a href="http://adventofcode.com/" target="_blank">Advent of Code</a>
-                    <span class="badge badge-warning">Medium</span>
+                    <span class="badge badge-success">Easy</span>
                 </h4>
                 <p>
                     In 2015 <a href="http://was.tl/" target="_blank">Eric Wastl</a>, presumably unsatisfied with the
                     singular chocolate found behind each door of his Advent calendar, decided to create a series of
-                    small programming puzzles instead. It's incredible fun to follow, and he has repeated the challenge
-                    each year so there are now challenges for
+                    small programming puzzles instead. Previous years' challenges are available from
                     <a href="http://adventofcode.com/2015" target="_blank">2015</a>,
                     <a href="http://adventofcode.com/2016" target="_blank">2016</a> and
                     <a href="http://adventofcode.com/2017" target="_blank">2017</a>. The puzzles can be solved in any
-                    language and use a variety of skills.
+                    language and use a variety of skills. Just bear in mind that they start out easy but very quickly
+                    become fiendishly hard.
                 </p>
             </div>
         </div>
@@ -122,15 +122,14 @@ <h4>
         <div class="row">
             <div class="card">
                 <h4>
-                    <span class="fab fa-reddit"></span>
-                    <a href="https://www.reddit.com/r/dailyprogrammer/" target="_blank">Reddit: Daily Programmer</a>
-                    <span class="badge badge-success">Easy</span>
+                    <span class="fab fa-google"></span>
+                    <a href="https://colab.research.google.com/" target="_blank">Google Colab</a>
+                    <span class="badge badge-warning">Medium</span>
                 </h4>
                 <p>
-                    Similar to Advent of Code, this is a resource that presents you with various programming puzzles
-                    that can be completed in any programming language. Three challenges are put up every week which
-                    increase in difficulty, starting with an easy puzzle Monday, intermediate puzzle Wednesday and a
-                    hard puzzle on a Friday.
+                    Google Colab uses your Google Drive account to drive a Jupyter instance, allowing you to use
+                    Jupyter on a lightning-fast environment without all the setup involved in creating your own
+                    local instance.
                 </p>
             </div>
         </div>
@@ -155,4 +154,22 @@ <h4>
             </div>
         </div>
     </div>
+
+    <div class="col-lg-4 col-md-6 d-flex align-items-stretch">
+        <div class="row">
+            <div class="card">
+                <h4>
+                    <span class="fab fa-reddit"></span>
+                    <a href="https://www.reddit.com/r/dailyprogrammer/" target="_blank">Reddit: Daily Programmer</a>
+                    <span class="badge badge-success">Easy</span>
+                </h4>
+                <p>
+                    Similar to Advent of Code, this is a resource that presents you with various programming puzzles
+                    that can be completed in any programming language. Three challenges are put up every week which
+                    increase in difficulty, starting with an easy puzzle Monday, intermediate puzzle Wednesday and a
+                    hard puzzle on a Friday.
+                </p>
+            </div>
+        </div>
+    </div>
 </div>