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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 4377

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

2 3904

Carnot cycle

2 5297

How does final modifier work?

1 3383

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 4785

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

1782

what is stacked chart , Bar chart, Column chart?

1 3437

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

1989

Why neutral cable carry current.

1930

what is system testing? explain with an example.

1 3764

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

2031

What is good customer service and give me an example?

2240

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

1358

How. To pass the entrance test

1 2728

C language questions for civil engineering

1675

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Un-Answered Questions

Two common isotopes of carbon are carbon-12 and carbon-14. How are atoms of the isotopes different from one another?

970

How do I send an editable excel spreadsheet by email?

679

Who developed d3.js?

How you can send the result back in json format in mvc?

How do you sort data in java?

910

Which language is best for learning data structures and algorithms?

919

How do I open bios on windows 10?

832

Differentiate between angular and angularjs.

732

what is difference apportionment of costs, overhead expenses and how do they differ

2423

What is the advantage of android?

908

What is the JDBC syntax for using a literal or variable in a standard Statement?

959

What are the challenges u faced in testing with crm domain? How u overcome with?

1907

When should you not use a type cast?

1081

What is the purpose of shortcut keys?

603

What is the best format to upload a use a good quality image to a website?