Maria Jane questions

• ui-router of angularjs optional parameter
• $inc of mongoose to prevent negative value
• angularjs nested routing doesn't load layout
• Failed to upload blob file to S3 using node.js
• confusion between props and state in react.js
• 2 different ways to create React component
• clear/reset formData() using javascript
• $gte and $lte in mongoose with multiple condition
• react vs react DOM confusion
• Dev dependencies vs dependencies in node.js

Maria Jane answers