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Tech Mahindra Interview Questions
Questions Answers Views Company eMail

If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

 2 3386

What are possible key words, we can use to declare a class?

 2 3023

Carnot cycle

 2 4346

How does final modifier work?

 1 2649

i have multiple .csv files in a unix directory. every file is having variable names as header.even for empty file also. suppose take 3 files a.csv b.csv c.csv a.csv contains data as name;age,salary; raja;34;4000; ravi;33;5000; kumar;25;3000; b.csv contains data as name;age,salary; ajay;40;4500; and c.csv contains name;age,salary; (only headers) Now i want to import and append all these files in to a single dataset. i tried infile statement with *.csv to import all at a time. but i m not getting correct data. please help me . its urgent. thank you in advance

 2 3512

i have some csv files in a directory which have sub-directories also. now how can i merge all .csv files in to one with a single header. for example: have some 4 files. 1.csv--------name,age,sal abc,25,4000 2.csv--------name,age,sal vgd,32,3500 3.csv--------name,age,sal hfg,20,5000 4.csv--------name,age,sal asd,15,2000 now my output file should be like 5.csv----------name,age,sal abc,25,4000 vgd,32,3500 hfg,20,5000 asd,15,2000 and please explain the code for me. as i am new to scripting. thank you in advance

 1407

what is stacked chart , Bar chart, Column chart?

 1 2618

What is the more accurate formula to convert wet concrete to dry aggregate instead of the 54% method?

 1520

Why neutral cable carry current.

 1512

what is system testing? explain with an example.

 1 3065

What is Test Design ?( Urgent) and Test Design for Printer?

 1551

What is good customer service and give me an example?

 1747

if i have a query as flat file how can we load data to target table

 965

How. To pass the entrance test

 1 1834

C language questions for civil engineering

 1233

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Tech Mahindra Interview Questions


Un-Answered Questions

Explain about different layouts available in bootstrap?

5

How do you implement versioning for talend jobs?

1

Can I delete microsoft silverlight?

1

Does microsoft word come with windows 10?

314

What are some factors to consider when trying choosing between a dry screw compressor and an oil-flooded screw compressor?

603




What is modcount in hashmap?

487

What is jit and aot in angular?

418

How many types of errors are there in c language? Explain

560

What is finding and replace feature?

331

What is the difference between GIT and SVN?

5

How error handling is being handled by php?

540

What is the use of partial methods?

564

What’s the difference between pip and pip3?

118

What is the maximum cylinder head temperature of a 1200 KW, 12 cylinders DG set

1512

What is meant by a web application

533