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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 4578

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

2 4097

Carnot cycle

2 5519

How does final modifier work?

1 3552

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 4998

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

1877

what is stacked chart , Bar chart, Column chart?

1 3588

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

2081

Why neutral cable carry current.

2024

what is system testing? explain with an example.

1 3924

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

2104

What is good customer service and give me an example?

2332

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

1447

How. To pass the entrance test

1 2872

C language questions for civil engineering

1766

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Un-Answered Questions

How do I delete a mysql user?

887

How to switch off predictive text?

862

What is the difference between applet and application?

1081

Why do we create threads in java?

1350

What is vector in scala collection?

What is the limitation of AJAX ?

1009

How do you set up a plan version?

1052

What is index example?

1044

What are some of the roles of NABARD and IRDA?

1238

What is a non equi join?

1022

Explain currency filter in angularjs. How can we use it?

838

WHETHER VAT IS APPLICABLE IN FIRMER TRACTORS ? WHETHER VAT IS APPLICABLE IN NORMAL TRACTORS ? PLEASE NOTE THAT I HAVE PURCHASED IT BY PAYING VAT.

2313

How is snmp work with nms and ems?

1062

How do I delete a site?

179

Tell me what is organic result?

809