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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 4491

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

2 4022

Carnot cycle

2 5432

How does final modifier work?

1 3484

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 4916

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

1838

what is stacked chart , Bar chart, Column chart?

1 3516

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

2046

Why neutral cable carry current.

1987

what is system testing? explain with an example.

1 3859

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

2078

What is good customer service and give me an example?

2284

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

1406

How. To pass the entrance test

1 2816

C language questions for civil engineering

1728

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Un-Answered Questions

Can __ init __ return value?

859

What are the different components of powercenter?

1063

how to restore particular schema from rman full backup?

1766

What is the difference between file_get_contents() and file_put_contents() in php?

1188

How many types of trigger events are there in qtp?

1032

What are some mechanical laboratory apparatuses?

1153

What is array function in javascript?

1037

What is getmac command?

886

Define swelling?

How can unused space allocation be returned to the system when a dataset is closed?

1507

What is type III hypersensitivity?

572

What web sites do you feel use javascript most effectively (i.e., Best-in-class examples)? The worst?

941

How do I calculate a specific value in excel?

725

How can I remove a page break in word?

594

what is diameter of a suction pipe?

2084