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Computer Programming

A category for questions about computer programming and programming languages.

10,506 Questions

What is the definition of internet?

The term internet is shorthand for "interconnecting computer networks". As a noun, the "Internet"(with capital I) or simply "the net", defines the interconnecting networks and servers which chiefly provide the World Wide Web (WWW) amongst other services including e-mail (such as SMTP and POP3), file-transfer protocol (FTP), and so on.

My desktop's colors have gone weird. Help?

Once it happened to me when I didn't install motherboard.Or it can happen without installing graphics card.

List of internal and external commands in unix?

A list of internal/builtin commands is available for each shell environment by looking at the 'man' entry. Anything not listed there is either an alias or an external command.

What is mapplet in informatica?

A mapplet

is a reusable object that represents a set of instructions. It allows you to reuse transformation logic and can contain as many transformations as you need

Important features of objecy oriented programming?

Object oriented programming represents concepts as objects that have data fields or attributes that describe the object. Associated procedures are called methods. Objects are used to interact with one another to design applications and computer programs.

What is internal cache information?

A cache is a data store, thus "internal cache information" is metadata relating to a data storage facility that is used solely by a system. That is, a data store that is not intended for user consumption (internal use only).

Difference between message oriented middleware and remote procedure call?

Feature MOM RPC

Metaphor post office like Telephone like

Cilent server

time relationships ASynchronous Synchronous

Client server

sequence No sequence server must first comes up

before the client talks to it.

Partner needed No Yes

Message filtering yes No

Load

balancing Single queue is needed Require TP monitor

implement FIFO policy

Performance Slow Fast

Style queued call return

How many different languages are there in Texas?

About 2/3 of the population speak English. The next largest population is Spanish speakers with about a little less than 1/3.

Is excel a good tool to use to organize your collection?

Not really. Access is better suited to organising a collection. You can use a Excel for small collections but as the collection grows it quickly becomes that much harder to maintain. Macros can make it easier, but if the purpose of the spreadsheet is to maintain a large set of data, then a database is the better option.

How much more storage space do you get using 3 gigabytes at base 2 than with 3 gigabytes base 10?

Base 10: 3 Gigabytes (3 Gb) is 3,000,000,000 bytes.Base 2: 3 Giga-binary-bytes (3 Gib) is 3,221,225,472 bytes.

The difference is therefore 221,225,472 bytes.

Note that memory capacities are always specified precisely, in Gibs, whereas hard-disk drives are expressed approximately, in Gbs. Thus three 1 GiB memory chips will always equate to exactly 3,221,225,472 bytes while a 3 Gb hard drive is always *at least* 3,000,000,000 bytes. However, most operating systems report both memory and hard-drive capacities in Gibs rather than Gbs, but use the Gb acronym instead of the Gib acronym. Thus hard-drives always appear much smaller than they actually are. For instance, a 3 terabyte drive will be listed as a 2.7 Tb drive (rather than 2.7 Tib), but there's still at least 3 trillion bytes of capacity.

How do you draw a cycle in a c program?

/*PROGRAM TO IMPLEMENT GAUSS-jordan method.

#include
#define MX 20
main()
{
float a[MX] [MX+1],m,p;
int i,j,k,n;
puts("\n how many equations?:");
scanf("%d",&n);
for(i=0;i<=n-1;i++)
{
printf("Give the coefficients of the equation no%d:\n",i+1);
for(j=0;j<=n;j++)
scanf("%f",&a[i][j]);
}
for(k=0;k<=n-1;k++)
{
for(i=0;i<=n-1;i++)
{
m=a[i][k]/a[k][k];
p=a[k][k];
for(j=k;j<=n;j++)
{
if(i==k)
a[i][j]=a[i][j]/p;
else
a[i][j]=a[i][j]-m*a[k][j];
}
}
}
for(i=0;i<=n-1;i++)
printf("\n X[%2d]=%5.2f",i,a[i][n]);

}

What does SAP ISretail Stands for?

SAP/IS-Retail Stands for SAP Industry Specific or Industry Solutions for Retail

What is SAP software?

Systems Applications and Products in Data Processing. A company that develops software which allows businesses to track customer and business interactions. SAP is well-known for its Enterprise Resource Management (ERM) and data management programsAccounting & Auditing

Data Management, Communications, & Networks

Information Science & Technology

Why lexical analyzer known as scanner?

lexical analysis involves scanning the program to be compiled and recognizing the tokens that make up the source statements .Scanners are usually designed to recognize keywords ,operators,and identifiers as well as integers,floating point numbers,character strings etc.....so they are known as scanners

What difference between package class and object?

A package is a grouping of similar classes. A class is a blue print for making an object. An object is, well, an object.

What is the name of the button that refreshes the computer screen?

There is no such button. Nor is there any need for such a button. The computer screen refreshes itself automatically depending on the chosen screen refresh rate (typically 60 Hz which is 60 refreshes per second).

You are probably referring to the desktop. This is not "the computer screen", it is a window controlled by the operating system's "shell" program. In Microsoft Windows, the default shell program is Windows Explorer, which provides the desktop window and task bar window in addition to file navigation windows. When the desktop window is the currently active window, the F5 key will force the desktop to refresh. However, this is not the same as refreshing "the computer screen" because any other (non-active) windows that are currently open on the desktop will not be refreshed. You have to select each window in turn to activate it and then refresh its content using the appropriate keystroke (if one is actually provided by the application). F5 will refresh any active Windows Explorer window but you cannot guarantee it will serve the same purpose in other applications. For example, when Microsoft Word is active, the F5 key will open the Microsoft Word 'Find and Replace' dialogue. But if Microsoft Excel is active, the F5 key will open the Microsoft Excel 'Go To' dialogue instead. However, most Windows web browsers (e.g., Chrome, Firefox, Edge and Internet Explorer) will react to the F5 key, forcing a reload/refresh of the current page.

Where did the triangle come from?

The "triangle" so to speak has been found to have come from the moon. There is plenty of interesting scientific information to back this up, however, the experts agree that the world is not yet ready to face this fascinating discovery. I am putting all our lives in jeopardy by telling you this...