Hoa questions

• How can I do a 'where' clause in Linux shell?
• Why does jQuery give me an error 'has no method sortable'?
• What does '@' mean in JSON?
• How do I run JavaScript in a console like environment?
• In TypeScript, how do I work out the proper type for 'this'?
• Why does CSS styling distort my Google maps zooming?
• Why doesn't my MongoDB $or query work?
• How would I represent a compound key in Scala?
• How can I create an Express EJS project from the command line?
• Why can't I deploy my jar file on heroku?

Hoa answers