Explain me what is the function of orm in ruby on rails?

794

---

Explain me the log that has to be seen to report errors in ruby rails?

750

---

Explain how you can run rails application without creating databases?

817

---

Tell me what is the difference between the observers and callbacks in ruby on rails?

863

---

Explain me what are the limits of ruby on rails?

904

---

What is the difference between concern and application_controller.rb in ruby on rails?

828

---

What are the types of caching used in rails, what are they?

957

---

Show how the data flows through redux?

370

---

How are forms created in react?

409

---

Differentiate between states and props.

402

---

Explain the purpose of render() in react.

390

---

What do you understand by refs in react?

365

---

How can you embed two or more components into one?

364

---

How do you modularize code in react?

398

---

How can you update the state of a component?

360

---