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C Programming

Questions related to the C Computer Programming Language. This ranges all the way from K&R to the most recent ANSI incarnations. C has become one of the most popular languages today, and has been used to write all sorts of things for nearly all of the modern operating systems and applications. It it a good compromise between speed, power, and complexity.

9,649 Questions

What is a certified statement?

A certified statement is any type of document that has been prepared and has already been signed off on by an accountant or whoever is in charge. This could be signed by a business owner, your boss, or the manager.

Write a program in java to get String contents of a string?

import java.io.*;

class StringContents

{

protected static void main()throws IOException

{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

System.out.print("Enter the String: ");

String st=in.readLine();

short u=0,l=0,sp=0;

for(short i=0;i<st.length();i++)

{

char ch=st.charAt(i);

if(ch>=65&&ch<91)

u++;

else if(ch>=97&&ch<123)

l++;

else if(ch==' ')

continue;

else

sp++;

}

System.out.println("No. of lower case characters: "+l);

System.out.println("No. of upper case characters: "+u);

System.out.print("No. of special characters: "+sp);

}}

What is it called when compression data some of the data is lost yet can represent the original close enough?

When compressed data that is subsequently decompressed does not exactly match the original, yet it is considered close enough to the original to be usable, that algorithm is called a lossy compression.

Contrast that with lossless compression, where the decompressed version exactly matches the original. Lossy compression is useful in audio and video, where exactness is not critical, while lossless compression is useful in data streams that must be preserved exactly. The lossy compression algorithm often results in more compact compressed results.

Variable declarations are made in what section of a program?

Variable declarations are made within the scope in which they are used and, preferably, at the precise point they are used, not before.

Can you call predefined function recursively?

Guess you meant: can a recursive function call predefined functions? Answer: sure, why not.

What does the while function do in clojure?

Repeatedly executes body while test expression is true.

What is Jagged Array in C?

A Jagged array is an array of arrays.

You can initialize a jagged array as −

int[][] scores = new int[2][]{new int[]{92,93,94},new int[]{85,66,87,88}};

Where, scores is an array of two arrays of integers - scores[0] is an array of 3 integers and scores[1] is an array of 4 integers.

What is loop in a transportation problem?

Mathematically if we have to define LOOP It is an ordered set of at least four cells in a transportation table form.

In traverse city there is a complex called the village of grand traverse commons this complex used to be something else what did it used to be?

An exerpt from http://www.thevillagetc.com : "...The Village (at Grand Traverse Commons) is the unique renovation of dozens of historic buildings formerly known as the Traverse City State Hospital, and previously, the Northern Michigan Asylum."

How do you access global variable from within the main function when the local variable is of the same name?

When you acess a global variable inside main function you must use the same name, because the variable declared as global can be accessed by any function/procedure on the class where it was defined.

How to Write a program using while loop to find the sum of integers 73 through 415 inclusive?

#include

using std::cin;
using std::cout;
using std::endl;

int main()
{
int number1 = 73;
int number2 = 415;
int sum = 0;

for (int i = number1; i <= number2; i++)
{
sum += i;
}

cout << endl << "Sum from 73 to 415 is: " << sum
<< endl;

system("PAUSE");
return 0;
}

What are 4 string handling function?

strlen(s1) to find the length of the string s1

strcpy(s1,s2) copy source string to destination string(i.e copies s2 to s1,s2 remain unchanged)

strcmp(s1,s2) compares s1 and s2 and prints 0 if s1 and s2 are equal,-1 if s2 is greater, 1 if s1 is greater

strcat(s1,s2) combines string s1 and s2 to a single word and stores it in s1

strupr() converts lower case string to upper case

strlwr() converts upper case string to lower case

What is memory pooling?

Memory pools, also called Memory_allocation, allow Dynamic_memory_allocationcomparable to Mallocor http://wiki.answers.com/wiki/C++'shttp://wiki.answers.com/wiki/New_(C++). As those implementations suffer from Fragmentation_(computer) because of variable block sizes, it can be impossible to use them in a Real-time_computingdue to performance. A more efficient solution is preallocating a number of memory blocks with the same size called the memory pool. The application can allocate, access, and free blocks represented by Handle_(computing) at Run_time_(computing).

Many RTOSuse memory pools, such as the Transaction_Processing_Facility.

Some systems, like the Apache_web_server, use the term memory pool to refer to a group of variable-size allocations which can be later deallocated all at once. This is also known as a region; see Region-based_memory_management.

Pointer version of string function strcpy?

char* strcpy(const char* src, char* dst) { char* tmp = dst; while ((*dst++ = *src++) != '\0'); return tmp; }

How will you fix your codes in c plus plus when you don't have the program?

Editing code is easy, they're simply plain text files you can edit with any text editor. However, you lose the syntax engine and all the external headers and libraries required by the code, not to mention the compiler and the linker that are required to actually build the code. Migrating code to another compiler is the only option if you don't have access to the original compiler.

What is the difference between basic data types and derived data types and user defined data types in C plus plus?

By basic types you presumably mean primitive types or built-in types. These include char, int, long, short, wchar_t, float, double and bool, amongst others. Most are simply variations of each other, but their lengths are implementation dependant. The only exception is char which is always 1 byte in length.

User-defined types are those you yourself define or are defined for you. These include typedefs, enums, classes, structs and unions, but can also include some implementation-specific built-in types and all third-party types. Regardless, all user-defined types build upon the primitive data types or other user-defined types. In the case of class and struct types, methods (or member functions) can be associated with those types, thus combining data and the specific methods that act upon that data into a single entity. Objects are specific instances of a class or struct.

A derived type is a class (or struct) which inherits from another class (or struct). A derivative cannot inherit from a primitive, enum or union. Derived types are also, by definition, user-defined types.

What attitude and character do you think you have that sets you apart from the rest of who are applying for this study grant?

If you are applying for this study grant, YOU should think what sets YOU apart, and write about it. It just doesn't make sense to gather, and list, a number of reasons that set OTHER people apart.

How run a program in glomosim?

The name of the program should be saved as .pc

example:hello.pc

install the glomosim in your computer

move to nirmal@ubuntu:~/glomosim/glomosim-2.03/parsec/redhat-7.2/bin$

then use the following commands

1.nirmal@ubuntu:~/glomosim/glomosim-2.03/parsec/redhat-7.2/bin$pcc -lm -c hello.pc

2. nirmal@ubuntu:~/glomosim/glomosim-2.03/parsec/redhat-7.2/bin$pcc -user_main hello.o -lm -o hello

3. nirmal@ubuntu:~/glomosim/glomosim-2.03/parsec/redhat-7.2/bin$./hello

thats it then the output will be displayed as

Hello World

and followed by the time limits

Difference between break and continue statements in wml?

Break statements:-its terminates the current while or for loop and continue the program execution from the statement following the terminated.

NOTE:-note that it is wmlscript syntax error to use the break statement outside of while or a for statements.

example;

Breakstatement:

Break;

Continue statement:-this statement terminate execution of a block of statement

in while or for loop and continues execution of loop with the next iteration.

note that the continue statement does not terminate the execution of loop and also is wmlscript syntax error to use the break statement outside of while or a for statements.

-> in while loop, it jumps back to the condition.

-> in for loop,it jumpsto the update expression.

syntax:

continuestatement:

continue;

Can anyone provide me with a C plus plus coding for hotel reservation system using data file handling?

That cannot be answered here; there are commercial packages to do this, which you can locate on the Internet.

What is a music Algorithm?

an algorithm that is composed for creating music, investigating particular aspect of music, representing music in specific readable form (notation), deriving a new composition from the existing one, based on music theory and/or common practice