Suppose we receive a form submitted by a post to subscribe to a newsletter. This form has only one field, an input text field named email. How would we validate whether the field is empty? Print a message "the email cannot be empty" in this case?

691

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What is the use of Markers?

284

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What is final in scala?

1

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What is hibernate in spring?

155

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How do you print an address?

758

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What is the difference between read() and recv()?

1602

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Can private virtual methods be overridden in c#.net?

541

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How do I fix #value error in excel 2016?

331

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Why the antenna is called passive element?

593

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 Explain the PeopleSoft architecture at a high level.what are the communication software applications, protocols?

985

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What is default password for spring security?

167

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What are starvation and aging?

643

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Explain the features and benefits of quick test pro(qtp)?

525

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Is macbook good for data science?

98

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Explain how to identify a device or a user?

534

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