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StackOverflow Questions for Tag: null-test

Reputation: 249

In MySQL, which is more efficient: IFNULL or NULLIF?

mysqlifnullnull-test

Score: 23

Views: 23480

Answers: 3

Reputation: 3

How to properly write a null test on input that is nullable to avoid warnings in Java?

Score: 0

Views: 1168

Answers: 1

Reputation: 2429

How to do a one-sample location, two-way approximate Z test in R using estimates from the delta method?

rglmt-testnull-test

Score: 1

Views: 47

Answers: 0

Reputation: 28883

Empty PHP variables

phpvariablesnull-test

Score: -1

Views: 196

Answers: 2

DougW

Reputation: 30035

Is if(obj && obj != nil) correct and necessary?

iphoneobjective-ccocoacocoa-touchnull-test

Score: 3

Views: 740

Answers: 5

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