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What’s the best way to declare and define global variables?
What’s the best way to declare and define global variables? The best way to declare global variables is to declare them after including all the files so that it can be used in all the functions. 2012-03-06, 3131👍, 0💬

What is a node class? C++
What is a node class? C++ A node class is a class that, * relies on the base class for services and implementation, * provides a wider interface to the users than its base class, * relies primarily on virtual functions in its public interface * depends on all its direct and indirect base class * can... 2012-01-13, 3131👍, 0💬

When creating a C# Class Library project, what is the name of the supplementary file ...
When creating a C# Class Library project, what is the name of the supplementary file ... When creating a C# Class Library project, what is the name of the supplementary file that Visual Studio.NET creates that contains General Information about the assembly? * AssemblyInfo.xml * AssemblyInfo.cs * As... 2014-08-04, 3130👍, 0💬

Can you call one constructor from another if a class has multiple constructors?
Can you call one constructor from another if a class has multiple constructors? Yes. Use this() syntax. 2012-09-06, 3122👍, 0💬

What is the software Life-Cycle?
What is the software Life-Cycle? The software Life-Cycle are 1) Analysis and specification of the task 2) Design of the algorithms and data structures 3) Implementation (coding) 4) Testing 5) Maintenance and evolution of the system 6) Obsolescence 2012-04-12, 3121👍, 0💬

State True or False: C# supports multiple-inheritance: * True or * False?
State True or False: C# supports multiple-inheritance: * True or * False? False 2014-03-21, 3119👍, 0💬

How do I print the entire contents of an array with Perl?
How do I print the entire contents of an array with Perl? To answer this question, we first need a sample array. Let's assume that you have an array that contains the name of baseball teams, like this: @teams = ('cubs', 'reds', 'yankees', 'dodgers'); If you just want to print the array with the arra... 2013-09-24, 3118👍, 0💬

If I do not provide any arguments on the command line, then the String array of Main method will be empty or null?
If I do not provide any arguments on the command line, then the String array of Main method will be empty or null? It is empty. But not null. 2013-05-06, 3113👍, 0💬

What is an adaptor class or Wrapper class? C++
What is an adaptor class or Wrapper class? C++ A class that has no functionality of its own. Its member functions hide the use of a third party software component or an object with the non-compatible interface or a non-object-oriented implementation. 2012-01-09, 3113👍, 0💬

I see code like ...
I see code like char *p = malloc(strlen(s) + 1); strcpy(p, s); Shouldn't that be malloc((strlen(s) + 1) * sizeof(char))? It's never necessary to multiply by sizeof(char), since sizeof(char) is, by definition, exactly 1. (On the other hand, multiplying by sizeof(char) doesn't hurt, and in some circum... 2016-06-21, 3112👍, 0💬

Is C an object-oriented language?
Is C an object-oriented language? C is not an object-oriented language, but limited object-oriented programming can be done in C. 2012-04-10, 3112👍, 0💬

What are the conditions that have to be met for a condition to be an invariant of the class?
What are the conditions that have to be met for a condition to be an invariant of the class? * The condition should hold at the end of every constructor. * The condition should hold at the end of every mutator (non-const) operation. 2012-01-12, 3112👍, 0💬

Explain which of the following declarations will compile and what will be constant ...
Explain which of the following declarations will compile and what will be constant ... Explain which of the following declarations will compile and what will be constant - a pointer or the value pointed at: * const char * * char const * * char * const Note: Ask the candidate whether the first declar... 2012-03-01, 3111👍, 0💬

Name some major differences between C++ and Java.
Name some major differences between C++ and Java. C++ has pointers; Java does not. Java is platform-independent; C++ is not. Java has garbage collection; C++ does not. Java does have pointers. In fact all variables in Java are pointers. The difference is that Java does not allow you to manipulate th... 2012-04-10, 3109👍, 0💬

Can we override the jspInit(), _jspService() and jspDestroy() methods?
Can we override the jspInit(), _jspService() and jspDestroy() methods? We can override jspinit() and jspDestroy() methods but not _jspService(). 2013-08-14, 3108👍, 0💬

What is scalability and performance?
What is scalability and performance? Performance is a measure of "how fast can you perform this task." and scalability describes how an application behaves as its workload and available computing resources increase. 2012-08-16, 3108👍, 0💬

What is polymorphism? C++
What is polymorphism? C++ Polymorphism is the idea that a base class can be inherited by several classes. A base class pointer can point to its child class and a base class array can store different child class objects. 2012-01-17, 3108👍, 0💬

Referring to the sample code above, on which one of the following lines does an initializer list occur?
1: class Foo { 2: int size; string name; double value; 3: 4: public: 5: Foo() : size(0), name("unknown"), value(0.0) { 6: } 7: Foo(int s) { 8: size = s; name = "unknown"; value = 0.0; 9: } 10: Foo(int s = 0, string n = "unknown", double v=0) { 11: size = s; name = n; value = v; 12: } 13: }; Referrin... 2012-04-26, 3104👍, 0💬

Can the default values be assigned to actual parameters?
Can the default values be assigned to actual parameters? Yes. In such case you don’t need to specify any value and the actual parameter will take the default value provided in the function definition. 2011-10-20, 3104👍, 0💬

What is the above sample code an example of?
class Foo; What is the above sample code an example of? 1) A class constructor 2) A class object instantiation 3) A class definition 4) A class declaration 5) A syntax error 2012-04-25, 3100👍, 0💬

How to read file into hash array ?
How to read file into hash array ? open(IN, "&lt;name_file") or die "Couldn't open file for processing: $!"; while (&lt;IN&gt;) { chomp; $hash_table{$_} = 0; } close IN; print "$_ = $hash_table{$_}\n" foreach keys %hash_table; 2013-09-10, 3099👍, 0💬

In the derived class, which data member of the base class are visible?
In the derived class, which data member of the base class are visible? In the public and protected sections. 2012-01-23, 3099👍, 0💬

What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class?
What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class? Strategically speaking, threads created by implementing Runnable interface are more advisable. If you create a thread by extending a thread class, you cannot extend any other class. If you c... 2012-05-17, 3098👍, 0💬

You’re given a simple code for the class BankCustomer. Write the following functions ...
You’re given a simple code for the class BankCustomer. Write the following functions ... You’re given a simple code for the class BankCustomer. Write the following functions: * Copy constructor * = operator overload * == operator overload * + operator overload (customers’ balances should be added u... 2012-03-01, 3096👍, 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