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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 4468

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

2 4001

Carnot cycle

2 5404

How does final modifier work?

1 3459

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 4891

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

1826

what is stacked chart , Bar chart, Column chart?

1 3503

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

2037

Why neutral cable carry current.

1972

what is system testing? explain with an example.

1 3837

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

2061

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

1396

How. To pass the entrance test

1 2801

C language questions for civil engineering

1720

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Un-Answered Questions

What is cascade type?

449

What is title tag in html?

905

What is the target antigen for breast and ovarian tumors?

556

what do you want to join this bank

1556

How the organization provides guarantee to the exporters

1112

What are the Types Of Splunk Forwarder?

197

How can you inject java collection in spring?

446

What is linked hash set?

832

When did you use currency filter in angularjs?

746

Whats is a starter store?

878

What is the best solution to solve requestanimationframe is not defined in angular?

848

What sorting algorithm does arrays sort use?

823

What is base html in django?

508

Name some feature extraction techniques used for dimensionality reduction?

What are cookies? How to get, set, distroy cookies in laravel?

708