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Perl interview answers

How do you know the reference of a variable whether it is a reference, scaller, hash or array?There is a 'ref' function that lets you knowWhat is the difference between 'use' and 'require' function?Use: 1.
2 min
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C++ Interview Answers

What is the difference between C & C++?C makes use of structures, function concepts, pre-processor statements, pointer and some build in function etc.
3 min
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Linux Interview Answers

Explain the difference between a static library and a dynamic library?Static library is linked into the executable, while a dynamic library (or shared object) is loaded while the executable has started.How do you create a static library?If you have a collection of object (.o) files, you can do it by.
1 min
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Apache Interview Answers

On a fresh install, why does Apache have three config files - srm.conf, access.conf and httpd.conf?The first two are remnants from the NCSA times, and generally you should be ok if you delete the first two, and stick with httpd.conf.What does apachectl graceful do?It sends a SIGUSR1 for a restart, a.
2 min
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C# Interview Answers

Can multiple catch blocks be executed? No, once the proper catch code fires off, the control is transferred to the finally block (if there are any), and then whatever follows the finally block.What is the .NET datatype that allows the retrieval of data by a unique key? HashTable.What is the advantag.
2 min
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Java Interview Answers

What is a transient variable?A transient variable is a variable that may not be serialized.What is the difference between Abstract class and Interface?An abstract class may contain code in method bodies, which is not allowed in an interface.
3 min
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