why do hard water never produce foam when a soap is dissolved?

64

Can a super () and this () keywords be in same constructor?

27

How will you define Bank Rate?

62

How to select all paragraph elements with a lang attribute?

11

What is tongue scrapers?

53

I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

1355

What are service-specific middleware?

43

What are your preferred tools for wardriving?

29

What is aura? Why do we use the aura: namespace in the code ? : salesforce lightning component

5

Which of the data type is compound datatype supported by PHP?

67

How does angularjs dependency injection work?

12

Tell me how to create a text file in php?

36

What is one tier architecture?

9

Why do you think customer service is most important? ( elaborate your thoughts logically with critical analysis for the assessment)

736

Which is not valid in C a) class aClass{public:int x;}; b) /* A comment */ c) char x=12;

71