What is cassandra database used for?

64

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Explain $q service, deferred and promises.

579

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Is empty string python?

596

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Define Compaction?

65

---

What is IdentityMapper?

764

---

What asynchronous web service means?

491

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What are the specific features of vora vs apache spark? : hana vora

70

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How Chain operation copies the record's data to the input buffer for the program?

1292

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What is the history of apache mahout? When did it start?

37

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What is ‘the principle of locality’?

728

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what is functioning of DIalodDataXchange ..?

1351

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Its danger for human to sleep at night under a big a tree, why its not danger for birds because they sit on the tree whole night?

1534

---

What is a full join?

712

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Explain what is testing type and what are the commonly used testing type?

887

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What is the difference between adding a custom tab to an app in classic and lightning?

294

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