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How can you tell what shell you are running on UNIX system?
You can do the Echo $RANDOM. It will return a undefined variable if you are from the C-Shell, just a return prompt if you are from the Bourne shell, and a 5 digit random numbers if you are from the Korn shell. You could also do a ps -l and look for the shell with the highest PID. class Point2D{ int ... 2012-02-11, 3157👍, 0💬

What is class invariant? C++
What is class invariant? C++ A class invariant is a condition that defines all valid states for an object. It is a logical condition to ensure the correct working of a class. Class invariants must hold when an object is created, and they must be preserved under all operations of the class. In partic... 2012-01-10, 3157👍, 0💬

Where is DATABASE/PLSSQL cache stored ?
Where is DATABASE/PLSSQL cache stored ? PLSSQL and session cache are stored under $IAS_ORACLE_HOME/ Apache/modplsql/cache directory. 2011-11-26, 3156👍, 0💬

What is namespace? C++
What is namespace? C++ Namespaces allow us to group a set of global classes, objects and/or functions under a name. To say it somehow, they serve to split the global scope in sub-scopes known as namespaces. The form to use namespaces is: namespace identifier { namespace-body } Where identifier is an... 2012-02-13, 3155👍, 0💬

Which two tables created at start of application Patch and drops at end of Patch ?
Which two tables created at start of application Patch and drops at end of Patch ? FND_INSTALLED_PROCESS and AD_DEFFERED_JOBS are the tables that get updated while applying a patch mainly d or unified driver. 2011-11-08, 3154👍, 0💬

What are the defining traits of an object-oriented language?
What are the defining traits of an object-oriented language? The defining traits of an object-oriented langauge are: * encapsulation * inheritance * polymorphism 2012-03-28, 3153👍, 0💬

What is a mutable member? C++
What is a mutable member? C++ One that can be modified by the class even when the object of the class or the member function doing the modification is const. 2012-03-20, 3153👍, 0💬

If you hear the CPU fan is running and the monitor power is still on, but you did not see any thing show up in the monitor scree
If you hear the CPU fan is running and the monitor power is still on, but you did not see any thing show up in the monitor screen. What would you do to find out what is going wrong? I would use the ping command to check whether the machine is still alive(connect to the network) or it is dead. 2012-03-29, 3152👍, 0💬

State True or False: Events in Web forms are processed before the “Page Load” event: * True or * False
State True or False: Events in Web forms are processed before the “Page Load” event: * True or * False True 2014-06-25, 3151👍, 0💬

What is the immediate superclass of the Applet class?
What is the immediate superclass of the Applet class? Panel 2012-10-03, 3149👍, 0💬

What is plssql/database cache ?
What is plssql/database cache ? In order to improve performance mod_pls (Apache component) caches some database content to file. This database/plssql cache is usually of type session and plsql cache # session cache is used to store session information. # plsql cache is used to store plsql cache i.e.... 2011-11-26, 3143👍, 0💬

What is a cursor for loop?
What is a cursor for loop? A cursor FOR loop is a loop that is associated with (actually defined by) an explicit cursor or a SELECT statement incorporated directly within the loop boundary. Use the cursor FOR loop whenever (and only if) you need to fetch and process each and every record from a curs... 2011-11-03, 3141👍, 0💬

What are the differences between a C++ struct and C++ class?
What are the differences between a C++ struct and C++ class? The default member and base-class access specifiers are different. 2012-03-13, 3140👍, 0💬

Where is applications start/stop scripts stored ?
Where is applications start/stop scripts stored ? applications start/stop scripts are in directory $COMMON_TOP/admin/scripts/$CON TEXT_NAME 2011-11-14, 3139👍, 0💬

Write a class to store, evaluate and print integer arithmetic expressions. the public interface .....
Write a class to store, evaluate and print integer arithmetic expressions. the public interface should look like this: class myexpr { public: myexpr(char*); int eval(); void print(); }; 2012-04-19, 3138👍, 0💬

Is delete a keyword in Java?
Is delete a keyword in Java? No, delete is not a keyword in Java. Java does not make use of explicit destructors the way C++ does. 2013-06-26, 3136👍, 0💬

Are the imports checked for validity at compile time? e.g. will the code containing an import such as java.lang.ABCD compile?
Are the imports checked for validity at compile time? e.g. will the code containing an import such as java.lang.ABCD compile? Yes the imports are checked for the semantic validity at compile time. The code containing above line of import will not compile. It will throw an error saying,can not resolv... 2013-05-13, 3136👍, 0💬

What is an object? C++
What is an object? C++ Object is a software bundle of variables and related methods. Objects have state and behavior. 2012-02-08, 3136👍, 0💬

What is used to validate complex string patterns like an e-mail address?
What is used to validate complex string patterns like an e-mail address? What is used to validate complex string patterns like an e-mail address? * Extended expressions * Regular expressions * Irregular expressions * Basic expressions Regular Expression. 2014-08-14, 3135👍, 0💬

What is the Standard Template Library (STL)?
What is the Standard Template Library (STL)? A library of container templates approved by the ANSI committee for inclusion in the standard C++ specification. A programmer who then launches into a discussion of the generic programming model, iterators, allocators, algorithms, and such, has a higher t... 2012-03-21, 3135👍, 0💬

What is friend function? C++
What is friend function? C++ As the name suggests, the function acts as a friend to a class. As a friend of a class, it can access its private and protected members. A friend function is not a member of the class. But it must be listed in the class definition. 2012-02-21, 3135👍, 0💬

Write a short code using C++ to print out all odd number from 1 to 100 using a for loop
Write a short code using C++ to print out all odd number from 1 to 100 using a for loop for( unsigned int i = 1; i &lt; = 100; i++ ) if( i &amp; 0x00000001 ) cout &lt;&lt; i &lt;&lt; \",\"; 2012-01-30, 3135👍, 0💬

How do you traverse a Btree in Backward in-order?
How do you traverse a Btree in Backward in-order? Process the node in the right subtree Process the root Process the node in the left subtree 2012-01-20, 3125👍, 0💬

What are 2 ways of exporting a function from a DLL?
What are 2 ways of exporting a function from a DLL? 1.Taking a reference to the function from the DLL instance. 2. Using the DLL ’s Type Library 2012-02-17, 3124👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML