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

842

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

804

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Explain how you can run rails application without creating databases?

867

---

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

910

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Explain me what are the limits of ruby on rails?

968

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

879

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

1029

---

Show how the data flows through redux?

404

---

How are forms created in react?

446

---

Differentiate between states and props.

438

---

Explain the purpose of render() in react.

417

---

What do you understand by refs in react?

396

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How can you embed two or more components into one?

406

---

How do you modularize code in react?

436

---

How can you update the state of a component?

396

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