Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?

666

What is a shell structure examples?

1149

Which tag filter returns the next item with the “type1” tag and without a “source1” tag?

389

Discuss the potential benefits and challenges of vertical farming and hydroponics systems in urban and indoor agricultural settings.

1322

how stars comes from different sizes

1962

#include main() { enum _tag{ left=10, right, front=100, back}; printf("left is %d, right is %d, front is %d, back is %d",left,right,front,back); }

1167

How do I register comdlg32 ocx in windows 7?

782

Explain when we should make an instance variable private.

1198

What is a domain?

1090

In movement type(mm), what is value & quantity string? It updates values and quantities in gl with valuation class, transaction key modifier and gl a/c. But how does it work when doing a mvt type?

1169

What is RuPay Card?

1168

Name Few Platforms Which Are Used For Large Scale Cloud Computing?

662

What is the purpose of measuring inductance in motor windings?

2353

What does autowired annotation mean?

454

Explain angularjs digest cycle?

876