.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

<< < … 115 116 117 118 119 120 121 122 123 124 125 … > >>   Sort: Date

Referring to the sample code above, what is the type of T2 in the object ::f?
template&lt;class T = int&gt; class Foo { public: template&lt;class T2 = T&gt; class InnerFoo { T2 t2; }; static InnerFoo&lt;long&gt; *f; }; Foo&lt;double&gt; f; Referring to the sample code above, what is the type of T2 in the object ::f? 1) double 2) t2 3) char 4) i... 2012-04-20, 2879👍, 0💬

Write a fucntion that will reverse a string.
Write a fucntion that will reverse a string. char *strrev(char *s) { int i = 0, len = strlen(s); char *str; if ((str = (char *)malloc(len+1)) == NULL) /*cannot allocate memory */ err_num = 2; return (str); } while(len) str[i++]=s[–len]; str[i] = NULL; return (str); } 2012-04-11, 2879👍, 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, 2879👍, 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, 2875👍, 0💬

How does multi-threading take place on a computer with a single CPU?
How does multi-threading take place on a computer with a single CPU? The operating system's task scheduler allocates execution time to multiple tasks. By quickly switching between executing tasks, it creates the impression that tasks execute sequentially. 2012-06-08, 2875👍, 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, 2874👍, 0💬

Jack developed a program by using a Map container to hold key/value pairs. He wanted to make a change to the map. He decided to
Jack developed a program by using a Map container to hold key/value pairs. He wanted to make a change to the map. He decided to make a clone of the map in order to save the original data on side. What do you think of it? ? If Jack made a clone of the map, any changes to the clone or the original map... 2012-05-16, 2872👍, 0💬

What are the high-level thread states?
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2012-06-15, 2868👍, 0💬

How can my application get to know when a HttpSession is removed?
How can my application get to know when a HttpSession is removed? Define a Class HttpSessionNotifier which implements HttpSessionBindingListener and implement the functionality what you need in valueUnbound() method. Create an instance of that class and put that instance in HttpSession. 2013-08-20, 2867👍, 0💬

Can you have virtual functions in Java?
Can you have virtual functions in Java? Yes, all functions in Java are virtual by default. This is actually a pseudo trick question because the word "virtual" is not part of the naming convention in Java (as it is in C++, C-sharp and VB.NET), so this would be a foreign concept for someone who has on... 2012-05-16, 2867👍, 0💬

What’s the difference between private and shared assembly?
What’s the difference between private and shared assembly? Private assembly is used inside an application only and does not have to be identified by a strong name. Shared assembly can be used by multiple applications and has to have a strong name. 2014-12-17, 2862👍, 0💬

What are wrapped classes?
What are wrapped classes? Wrapped classes are classes that allow primitive types to be accessed as objects. 2012-06-25, 2862👍, 0💬

What is the numeric promotion?
What is the numeric promotion? Numeric promotion is used with both unary and binary bitwise operators. This means that byte, char, and short values are converted to int values before a bitwise operator is applied. If a binary bitwise operator has one long operand, the other operand is converted to a... 2012-07-02, 2861👍, 0💬

Name some pure object oriented languages. C++
Name some pure object oriented languages. C++ Smalltalk, Java, Eiffel, Sather. 2012-01-13, 2859👍, 0💬

The Equivalent HTML Control for the &lt;input type=”button”> tag is ..
The Equivalent HTML Control for the &lt;input type=”button”> tag is .. The Equivalent HTML Control for the &lt;input type=”button”> tag is * HtmlInput * HtmlButton * HtmlPushButton * HtmlInputButton HtmlInputButton 2014-06-20, 2855👍, 0💬

How do I generate a list of all .html files in a directory?
How do I generate a list of all .html files in a directory? Here's a snippet of code that just prints a listing of every file in the current directory that ends with the extension .html: #!/usr/bin/perl -w opendir(DIR, "."); @files = grep(/\.html$/,readdir(DIR)); closedir(DIR); foreach $file (@files... 2013-08-23, 2853👍, 0💬

How do I do fill_in_the_blank for each file in a directory?
How do I do fill_in_the_blank for each file in a directory? Here's code that just prints a listing of every file in the current directory: #!/usr/bin/perl -w opendir(DIR, "."); @files = readdir(DIR); closedir(DIR); foreach $file (@files) { print "$file\n"; } 2013-08-23, 2853👍, 0💬

Interview question
Have you ever worked without salary? 2020-02-20, 2850👍, 0💬

There is a % sign in one field of a column. What will be the query to find it?
There is a % sign in one field of a column. What will be the query to find it? SELECT column_name FROM table_name WHERE column_name LIKE ‘%\%%’ ESCAPE ‘\’; 2011-12-06, 2848👍, 0💬

What is function overloading and operator overloading?
What is function overloading and operator overloading? Function overloading: C++ enables several functions of the same name to be defined, as long as these functions have different sets of parameters (at least as far as their types are concerned). This capability is called function overloading. When... 2012-01-25, 2847👍, 0💬

What are the different scopes for Java variables?
What are the different scopes for Java variables? The scope of a Java variable is determined by the context in which the variable is declared. Thus a java variable can have one of the three scopes at any given point in time. 1. Instance : - These are typical object level variables, they are initiali... 2013-06-28, 2845👍, 0💬

Why do we need to use getSystemResource() and getSystemResources() method to load resources?
Why do we need to use getSystemResource() and getSystemResources() method to load resources? Because we want to look for resources strictly from the system classpath, These methods use the system ClassLoader to locate resources, which gives you stricter control of the resources used by the applicati... 2012-09-12, 2844👍, 0💬

What is an HTML tag? C++
What is an HTML tag? C++ Answer: An HTML tag is a syntactical construct in the HTML language that abbreviates specific instructions to be executed when the HTML script is loaded into a Web browser. It is like a method in Java, a function in C++, a procedure in Pascal, or a subroutine in FORTRAN. 2012-02-29, 2843👍, 0💬

An application needs to load a library before it starts to run, how to code??
An application needs to load a library before it starts to run, how to code?? One option is to use a static block to load a library before anything is called. For example, class Test { static { System.loadLibrary("path-to-li brary-file");} .... } When you call new Test(), the static block will be ca... 2012-05-18, 2837👍, 0💬

<< < … 115 116 117 118 119 120 121 122 123 124 125 … > >>   Sort: Date

.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