Update nav item and validate title length when updating.

Author: st0012

public/index.html

@@ -25,7 +25,7 @@
 					<img id="logo" src="./icon/goby-logo.svg" alt="Goby Lang Logo">
 				</a>
 				<a target="_blank" href="https://twitter.com/goby_lang"><span>Twitter</span></a>
-				<a target="_blank" href="https://goby-lang-slackin.herokuapp.com/"><span>Slack</span></a>
+                                <a target="_blank" href="https://www.producthunt.com/posts/goby-language"><span>ProductHunt</span></a>	
 			</div>
 
 			<div id="mobile-nav" class="nav-wrapper">
@@ -36,7 +36,7 @@
 					<a target="_blank" href="https://github.com/goby-lang/goby"><span>GitHub</span></a>
 					<a target="_blank" href="https://goby-lang.gitbooks.io/goby/content/"><span>GitBook</span></a>
 					<a target="_blank" href="https://twitter.com/goby_lang"><span>Twitter</span></a>
-					<a target="_blank" href="https://goby-lang-slackin.herokuapp.com/"><span>Slack</span></a>
+					<a target="_blank" href="https://www.producthunt.com/posts/goby-language"><span>ProductHunt</span></a>
 				</div>
 			</div>
 		</nav>

server.gb

@@ -56,6 +56,8 @@ server.put('/items/{id:[0-9]+}') do |req, res|
 
   if params.nil? || params[:title].nil?
     res.status = 400
+  elsif params[:title].length > 40
+    res.status = 400
   else
     record = ListItem.find(req.params[:id])
     if record