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Q:

Undefined reference to 'pthread_create'

How to Fix this error?

Answer

This is a common error while compiling C program in Linux. This error occurs when you are using pthread_create function to create threads in your programs.


To fix this problem ensure following points:
Include header file pthread.h in your program.
Add –lpthread linker flag with compilation command.
1- Include Header file
#include <stdio.h>
#include <pthread.h>
...
...
2- Compile command
gcc main.c -o main -lpthread

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Subject: Programming
Job Role: Analyst , Database Administration , IT Trainer , Project Manager , Software Architect

0 2039
Q:

Oligopolistic industries are characterized by

A) a few dominant firms and no barriers to entry B) a large number of firms and low entry barriers
C) a few dominant firms and substantial entry barriers D) a few dominant firms and low entry barriers
 
Answer & Explanation Answer: C) a few dominant firms and substantial entry barriers

Explanation:

Oligopoly is market structure where a small number of large firms are there. Oligopolistic industries are characterized by a few dominant firms and substantial entry barriers.

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Filed Under: Business Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 2039
Q:

On 11 October, 2017 the Supreme Court criminalized sex with underage wife aged below______ years.

 

A) 15 B) 18
C) 21 D) No option is correct
 
Answer & Explanation Answer: B) 18

Explanation:
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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams

0 2038
Q:

Which is the strongest force in the universe?

Answer

Nuclear Force

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Subject: Physics

6 2037
Q:

Who has been appointed as Managing Director of Export-Import Bank of India (Exim Bank) ?

A) Arun Tiwari B) Sunil Mehta
C) Ashwani Kumar D) David Rasquinha
 
Answer & Explanation Answer: D) David Rasquinha

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

4 2037
Q:

Namrup, which was recently making news for its Urea Plant, is located in which state?

 

A) Assam B) Chhattisgarh
C) Bihar D) Uttarakhand
 
Answer & Explanation Answer: A) Assam

Explanation:
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Filed Under: Indian Geography
Exam Prep: Bank Exams

1 2037
Q:

What help ensure that the XIV Systems cache does not become a bottleneck?

A) central cache locking mechanism B) use of industry standard chip technology
C) each module is responsible for caching the data in that module D) having all modules understand what is held cache at all times
 
Answer & Explanation Answer: C) each module is responsible for caching the data in that module

Explanation:
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Filed Under: IBM Certification

1 2037
Q:

The persistence of learning over time most clearly depends on

A) memory B) visual encoding
C) chunking D) shallow processing
 
Answer & Explanation Answer: A) memory

Explanation:
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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 2036