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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 4479

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

2 4010

Carnot cycle

2 5413

How does final modifier work?

1 3472

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 4894

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

1828

what is stacked chart , Bar chart, Column chart?

1 3506

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

2039

Why neutral cable carry current.

1974

what is system testing? explain with an example.

1 3843

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

2068

What is good customer service and give me an example?

2275

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

1398

How. To pass the entrance test

1 2806

C language questions for civil engineering

1722

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Un-Answered Questions

How many types of evaluate statements are available?

992

What is the process of indexing?

1009

What is a meta description?

916

Explain what is the difference between power center & power mart?

999

Does microsoft office include outlook?

What is object graph in ios?

830

What do you mean by the term i/o in node.js?

538

How does finally block differ from finalize() method?

1052

Bitcoin is based on which type of blockchain?

How do I insert a telephone symbol in word 2007?

583

Where are the windows nt primary domain controller (pdc) and its backup domain controller (bdc) in server 2003?

331

What exactly does one comprehend the security of a block?

What is identification ?

2434

What is difference between static and constant?

1022

What is factor variable in r language?