Please explain the difference between mutexes vs semaphores?

26

What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

912

Why is singleton not thread safe?

13

What are the requirements for developing iphone apps?

54

Write a program to concatenate two strings.

55

A well system is when , no. of bus bar is less or more. Tell me the concept of it.

839

What is oauth in web api?

13

How Hive organize the data?

59

Can react be used with php?

11

explain the difference between bool, tinyint and bit. : Sql dba

38

Define active immunity?

21

How we can call macros with in data step? : sas-macro

45

What are valid operations on pointers?

33

How do I ftp?

16

Can the sizeof operator be used to tell the size of an array passed to a function?

66