Programming Languages Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C (4721)
C++ (3583)
VC++ (653)
Delphi (566)

Python Related (3312)
PHP Related (7341)
Scala (340)
R Programming (396)

Objective-C (429)
Programming Languages AllOther (746)

Programming Languages Interview Questions

Questions Answers Views Company eMail

What is the different between range () and xrange () functions in python?

947

What are the possible ways to load an array from a text data file in python? How can the efficiency of the code to load data file be improved?

1003

Is the jupyter notebook good for python?

1073

What is a pass in python?

1 1116

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

132

How will you create scatterplot matrices in r language?

Describe strsplit() in r string manipulation?

Explain for loop control statement in r?

Explain how to name the list elements in r?

155

Describe regex() in r string manipulation?

How will you merge two dataframes in r programming language?

What will be the output of log (-5.8) when executed on r console?

What are the rules to define a variable name in r programming language?

How many data structures does r language have?

Which data object in r is used to store and process categorical data?

129

Un-Answered Questions { Programming Languages }

What is $_ get and $_ post in php?

1065

Why is swift so fast?

1130

How ruby looks up a method to invoke?

"Cannot load IDAPI service library" . what does this error mean?

2879

What is the role of matches() method in regular expression?

177

What is the difference between Const and Val?

199

Which one is better- macro or function?

1203

Is set ordered in python?

920

You mentioned pypi in your previous answer. Can you elaborate?

892

What is a companion object in scala?

How we can insert comments in a c program?

1130

could u please also write an example of a code that involves instances from an abstract class just as u did for interfaces because u said it could also work which i really doubt. thanks

2132

How to get all get data in zend framework?

186

How is c++ different from java?

1051

How to dial out through the modem under Win32?

1686

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