diff --git a/examples/showcase/src/index.tsx b/examples/showcase/src/index.tsx
index 444be6698..47a52a3e3 100644
--- a/examples/showcase/src/index.tsx
+++ b/examples/showcase/src/index.tsx
@@ -128,7 +128,7 @@ class ShowcaseApp extends Widget {
         if (event.key === 'q' || (event.ctrl && event.key === 'c')) return false;
 
         // Tab switching: 1-5
-        const num = parseInt(event.key);
+        const num = parseInt(event.key, 10);
         if (num >= 1 && num <= 5) {
             this.switchTab(num - 1);
             return true;
diff --git a/examples/weather/src/index.tsx b/examples/weather/src/index.tsx
index dce3c7425..2dcf862ec 100644
--- a/examples/weather/src/index.tsx
+++ b/examples/weather/src/index.tsx
@@ -201,7 +201,7 @@ async function fetchWeather() {
   }
 }
 
-setInterval(fetchWeather, 5000);
+clearInterval(window.__interval); window.__interval = setInterval(fetchWeather, 5000);
 fetchWeather();
 
 // Gauge does not expose a public setColor() method, so dynamic color
diff --git a/examples/widget-gallery/src/index.ts b/examples/widget-gallery/src/index.ts
index 57b141244..ec688a7fc 100644
--- a/examples/widget-gallery/src/index.ts
+++ b/examples/widget-gallery/src/index.ts
@@ -129,7 +129,7 @@ class WidgetGalleryApp extends Widget {
         }
 
         // Tab switching: 1-6
-        const num = parseInt(event.key);
+        const num = parseInt(event.key, 10);
         if (num >= 1 && num <= 6) {
             this._switchTab(num - 1);
             return true;
diff --git a/packages/dev-server/src/server.ts b/packages/dev-server/src/server.ts
index 47d4f2b6d..b31a4da89 100644
--- a/packages/dev-server/src/server.ts
+++ b/packages/dev-server/src/server.ts
@@ -380,7 +380,7 @@ export class DevServer {
 
             this._killChild();
 
-            await exitedPromise.catch(() => {});
+            await exitedPromise.catch( => console.error());
 
             if (this._running && this._entryFile) {
                 this._spawnChild();