add new data viz and web design resources

mattmakai · mattmakai · commit f9b19f1af59d · 2019-05-16T16:55:23.000-06:00
diff --git a/content/pages/03-data/18-data-visualization.markdown b/content/pages/03-data/18-data-visualization.markdown
@@ -72,6 +72,12 @@ easier for humans to see patterns, trends and other useful information.
   explains how to use the Dash library to take a bunch of data and
   turn it into a nice-looking dashboard.
 
+* [The reason I am using Altair for most of my visualization in Python](http://fernandoi.cl/blog/posts/altair/)
+  explains why this wrapper for [Vega-lite](https://vega.github.io/vega-lite/)
+  is awesome and that the author uses Altair because 
+  [Matplotlib](/matplotlib.html) can be very complicated for whipping up 
+  quick visualizations.
+
 
 ### Beautiful example visualizations
 Sometimes you need inspiration from other sources to figure out what
diff --git a/content/pages/04-web-development/15-web-design.markdown b/content/pages/04-web-development/15-web-design.markdown
@@ -79,6 +79,12 @@ this short list as my absolute favorites that help developers become
   to ensure it works for connections much worse than the fiber connection
   you may have at the home or office.
 
+* [Fundamental design principles for non-designers](https://medium.freecodecamp.org/fundamental-design-principles-for-non-designers-ad34c30caa7)
+  summarizes numerous design tips into four principles that those without
+  prior design knowledge can follow. The author gives a bunch of great 
+  examples and further details for the four principles, which are contrast, 
+  consistency, Occam's Razor and space.
+
 * [The Average Web Page (Data from Analyzing 8 Million Websites)](https://css-tricks.com/average-web-page-data-analyzing-8-million-websites/)
   shows the most frequently used HTML elements, metadata, text
   content and other statistics from a large scale analysis of the web.
