How can you reset magento files and directory permissions?

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Explain the difference between homeurl and baseurl in yii2?

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How to rename a variable?

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Enlist various types of interactions created by dbms?

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Explain the advantages of jquery?

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How will internal and external links be validated and updated? how often?

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how to display the date formats for example i hava a year like 2010 to 2011 bu i want to display in report like 2010-11 can u please explain this

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Explain the difference between collection api and stream api in java8?

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What are node packages and how to install/uninstall them?

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What is the use of a buffer class in node.js?

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What is the difference between the public object&schema object?

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What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?

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Can an interface be implemented in the jsp file?

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how will you restrict user logon timing in domain? : Windows server 2003

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i am currently working in mainframes in cobol(old version without OOPS concepts. I wish to be more specialised in specific product or language or tool in mainframes, so willing to take up training and learn one.what is the most widely asked tool or specific package in mainframes that has a great demand in market as of now?

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