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What is an Iterator class? C++
What is an Iterator class? C++ A class that is used to traverse through the objects maintained by a container class. There are five categories of iterators: input iterators, output iterators, forward iterators, bidirectional iterators, random access. An iterator is an entity that gives access to the... 2012-01-05, 3094👍, 0💬

What is the use of ‘using’ declaration. C++
What is the use of ‘using’ declaration. C++ A using declaration makes it possible to use a name from a namespace without the scope operator. 2012-01-05, 3367👍, 0💬

Define namespace. C++
Define namespace. C++ It is a feature in C++ to minimize name collisions in the global name space. This namespace keyword assigns a distinct name to a library that allows other libraries to use the same identifier names without creating any name collisions. Furthermore, the compiler uses the namespa... 2012-01-04, 3106👍, 0💬

When does a name clash occur? C++
When does a name clash occur? C++ A name clash occurs when a name is defined in more than one place. For example., two different class libraries could give two different classes the same name. If you try to use many class libraries at the same time, there is a fair chance that you will be unable to ... 2012-01-04, 3380👍, 0💬

Differentiate between a template class and class template.C++
Differentiate between a template class and class template.C++ Template class: A generic definition or a parameterized class not instantiated until the client provides the needed information. It’s jargon for plain templates. Class template: A class template specifies how individual classes can be con... 2012-01-03, 3179👍, 0💬

What is an accessor? C++
What is an accessor? C++ An accessor is a class operation that does not modify the state of an object. The accessor functions need to be declared as const operations 2012-01-03, 3273👍, 0💬

How To Convert a UNIX time_t to a Win32 FILETIME or SYSTEMTIME
How to convert a Unix timestamp to a Win32 FILETIME or SYSTEMTIME? The following function converts a filetime in the UNIX time_t format to a Win32 FILETIME format. Note that time_t is a 32-bit value and FILETIME is a 64-bit structure, so the Win32 function, Int32x32To64() is used in the following fu... 2012-01-02, 14837👍, 0💬

What Is Unix Timestamp
What is Unix timestamp? Unix timestamp, or Epoch timestamp, is defined as the number of seconds elapsed since midnight Coordinated Universal Time (UTC) of Thursday, January 1, 1970. It is used widely in Unix-like and many other operating systems and file formats. It is neither a linear representatio... 2012-01-02, 4231👍, 0💬

What is a modifier? C++
What is a modifier? C++ A modifier, also called a modifying function is a member function that changes the value of at least one data member. In other words, an operation that modifies the state of an object. Modifiers are also known as ‘mutators’. Example: The function mod is a modifier in the foll... 2011-12-30, 3299👍, 0💬

What is C++?
What is C++? Released in 1985, C++ is an object-oriented programming language created by Bjarne Stroustrup. C++ maintains almost all aspects of the C language, while simplifying memory management and adding several features - including a new datatype known as a class (you will learn more about these... 2011-12-30, 3373👍, 0💬

Can you use both ADPATCH and OPATCH in application ?
Can you use both ADPATCH and OPATCH in application ? Yes you have to use both in application , for application patches you will use ADPATCH UTILITY and for applying database patch in application you will use opatch UTILITY. 2011-12-29, 4205👍, 0💬

What is difference between ADPATCH and OPATCH ?
What is difference between ADPATCH and OPATCH ? # ADPATCH is utility to apply ORACLE application Patches whereas # OPATCH is utility to apply database patches 2011-12-29, 9177👍, 0💬

How to compile JSP in Oracle Applications ?
How to compile JSP in Oracle Applications ? You can use ojspCompile.pl perl script shipped with Oracle Applications to compile JSP files. This script is under $JTF_TOP/admin/scripts. Sample compilation method is perl ojspCompile.pl --compile --quiet 2011-12-28, 4566👍, 0💬

How to compile Invalid Objects in database ?
How to compile Invalid Objects in database ? You can use adadmin utility to compile or you can use utlrp.sql script shipped with Oracle Database to compile Invalid Database Objects. 2011-12-28, 4057👍, 0💬

How will you find Invalid Objects in database ?
How will you find Invalid Objects in database ? using query SQLPLUS&gt; select count(*) from dba_objects where status like 'INVALID'; 2011-12-27, 3868👍, 0💬

What is Web Listener ?
What is Web Listener ? Web Listener is Web Server listener which is listening for web Services(HTTP) request. This listener is started by adapcctl.sh and defined by directive (Listen, Port) in httpd.conf for Web Server. When you initially type request like http://becomeappsdba.blogspot. com:80to acc... 2011-12-27, 4088👍, 0💬

How to confirm if Apps Listener is Up and Running ?
How to confirm if Apps Listener is Up and Running ? execute below command lsnrctl status APPS_$SID (replcae SID with your Instance Name) so If your SID is VISION then use lsnrctl status APPS_VISION out put should be like Services Summary... FNDFS has 1 service handler(s) FNDSM has 1 service handler(... 2011-12-26, 3745👍, 0💬

How to start Applications listener ?
How to start Applications listener ? In Oracle 11i, you have script adalnctl.sh which will start your apps listener. You can also start it by command lsnrctl start APPS_$SID (Replace sid by your Instance SID Name) 2011-12-26, 3843👍, 0💬

What is use of Applications listener ?
What is use of Applications listener ? Apps Listener usually running on All Oracle Applications 11i Nodes with listener alias as APPS_$SID is mainly used for listening requests for services like FNDFS and FNDSM. 2011-12-23, 3676👍, 0💬

What are various joins used while writing SUBQUERIES?
What are various joins used while writing SUBQUERIES? =, , IN, NOT IN, IN ANY, IN ALL, EXISTS, NOT EXISTS. 2011-12-23, 3831👍, 0💬

What is difference between Rename and Alias?
What is difference between Rename and Alias? Rename is actually changing the name of an object whereas Alias is giving another name (additional name) to an existing object. Rename is a permanent name given to a table or column whereas Alias is a temporary name given to a table or column which do not... 2011-12-22, 5355👍, 0💬

What is difference between UNIQUE and PRIMARY KEY constraints?
What is difference between UNIQUE and PRIMARY KEY constraints? An UNIQUE key can have NULL whereas PRIMARY key is always not NOT NULL. Both bears unique values. 2011-12-22, 3773👍, 0💬

What is difference between SQL and SQL*PLUS?
What is difference between SQL and SQL*PLUS? SQL is the query language to manipulate the data from the database. SQL*PLUS is the tool that lets to use SQL to fetch and display the data. 2011-12-20, 3753👍, 0💬

Which data type is used for storing graphics and images?
Which data type is used for storing graphics and images? Raw, Long Raw, and BLOB. 2011-12-20, 3629👍, 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