diff --git a/free-podcasts-screencasts-en.md b/free-podcasts-screencasts-en.md
index c2dd5ca4b70776d8e57b993352c6783e5f0dc3d3..4eed77f8db0ebe11e607baff085b6a6e29250d1c 100644
--- a/free-podcasts-screencasts-en.md
+++ b/free-podcasts-screencasts-en.md
@@ -219,9 +219,9 @@
 
 ### React JS
 
-* [Screencast] - [ReactCasts](https://www.youtube.com/c/reactcasts)
 * [Podcast] - [React Native Podcast](https://devchat.tv/react-native-radio)
 * [Podcast] - [React Podcast](http://reactpodcast.com)
+* [Screencast] - [ReactCasts](https://www.youtube.com/c/reactcasts)
 
 
 ### Ruby
diff --git a/free-programming-books.md b/free-programming-books.md
index 3da893afdbf16647904795172a9717bb7781b454..726b9327545ade84680b80a689802f59b8cba48e 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1391,9 +1391,10 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 #### LaTeX
 
 * [Arbitrary LaTex Reference](http://latex.knobs-dials.com)
+* [Begin Latex in minutes](https://github.com/VoLuong/Begin-Latex-in-minutes)
 * [LaTeX Wikibook](https://en.wikibooks.org/wiki/LaTeX)
 * [The Not So Short Introduction to LaTeX](https://tobi.oetiker.ch/lshort/lshort.pdf) (PDF)
-* [Begin Latex in minutes](https://github.com/VoLuong/Begin-Latex-in-minutes)
+
 
 #### TeX
 
@@ -1910,7 +1911,7 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 * [The R Inferno](http://www.burns-stat.com/pages/Tutor/R_inferno.pdf) - Patrick Burns (PDF)
 * [The R Language](http://stat.ethz.ch/R-manual/R-patched/doc/html)
 * [The R Manuals](http://cran.r-project.org/manuals.html)
-* [Tidy Text Mining with R](http://tidytextmining.com/) - Julia Silge and David Robinson
+* [Tidy Text Mining with R](http://tidytextmining.com) - Julia Silge and David Robinson
 
 
 ### Racket
diff --git a/problem-sets-competitive-programming.md b/problem-sets-competitive-programming.md
index c917378e9a7f718056e0a40a3aa72b0133d574e9..73cbe32c30651ff8426a3e178b26c354f47af222 100644
--- a/problem-sets-competitive-programming.md
+++ b/problem-sets-competitive-programming.md
@@ -18,8 +18,8 @@
 * [Codewars](http://www.codewars.com)
 * [Codingame](https://www.codingame.com/start)
 * [Facebook Hackercup](https://www.facebook.com/hackercup)
-* [Hackerrank](https://www.hackerrank.com)
 * [HackerEarth](https://www.hackerearth.com)
+* [Hackerrank](https://www.hackerrank.com)
 * [Hello World Open](https://helloworldopen.com)
 * [Internet Problem Solving Contest](http://ipsc.ksp.sk)
 * [Just another Golf Coding](http://jagc.org)