ZhouQing

The performance for using jdbc to get data from database

1

The table in database for testing has 80000+ records. I use Java and nodejs with 'node-java' to test the cost separately. **1、 Use Java code，the simplest code，only contains get data：**...

Cann't load iframe which is created with setTimout

1

### Current behavior I have three pages: `portal.html, child.html, app.html`. In page `portal.html`, there is an iframe for loading page `child.html`, with display: none When page `child.html` is loaded, it...