Are you using singleton in your code?


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What is the use of repository pattern?

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What are the benefits of the proxy in the design pattern?

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What is the use of design patterns?

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If i make my selection in State Dropdown list, i would the City and ZipCode dropdown list to be automatically reupdated based on the State i select.(This to avoid the user select a City or Zipcode that does not correspond to the State previously selected.)

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Is mvc is a design pattern?

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What are the types of design patterns?

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i have file(ps),dont know how many records are there. move half of the records to 2 files. how can we do

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What is the publish/subscribe model?

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Identify three types of systems or system upgrades that may be ideal candidates for a Waterfall Development Model strategy.

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What is the behavioral design pattern?

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Is singleton scope thread safe?

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