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Computer Programming

A category for questions about computer programming and programming languages.

10,506 Questions

Why does each workstation need a network card?

Because without the network card in the work station it would have no way to communicate with the central server which probably stores all the information centrally, obviously. It is also related to the sharing of printers and the internet around in the network.

Therefore the use of the network card is to allow communication between the work station and the server via ethernet cables and network bridges.

These could also be wireless meaning cableing would not be needed, but are not as quick or reliable, and also has a far greater risk of getting hacked into the network.

What is a dicrete variable?

A discrete variable is a variable that has a certain set limit. For example, a ten point scale can ONLY have the variables 1, 2, 3, 4, 5, 6, 7, 8, 9, & 10. 2.8 would not work on a discrete variable ten point scale. Height is an example of a continuous variable, or one that has an infinite possibility.

Is a workstation with a Xeon 3.6 processor suitable for use as a general use computer?

Generally speaking, yes, though it would likely be a waste of money unless you do a massive amount of video / image editing.

Write a program to input a string in the form of name and swap the initials of the namefor example enter a string is rohit Kumar sharma and should be printed RK Sharma?

Get the string from user , then U Split the string with space and put in a string array .

Then Find Length of string array , Take first letter of each element in array, Except last. Assigned those to a string, then Fetch Last element of an array, Add it With that String.

That's it.

When was boolean logic invented?

I believe it was in the 1840's but George Boole the inventor of Boolean Logic lived from1815 - 1864

Can i type in a pdf file?

Yes, if you have Adobe Acrobat (not the free Adobe Reader) installed on your computer. There is also 3rd party software that will convert the .pdf file extension to a file type you can edit without purchasing Adobe Acrobat.

What is Logic error in java programming?

Logical errors are grammatical errors or mistakes made by a programmer in java, it may not affect the program design but it can change the context of the statements.

What is static type checking?

Static type checking is type checking that can be done at compile time at no runtime cost, as opposed to dynamic type checking which can only be done at runtime. Dynamic type checking is most commonly utilised when you hold a pointer to a base class of a polymorphic type, but where you need to know the actual type at runtime. However, dynamic type checking can largely be avoided by utilising virtual functions to implement a common interface. In this way, you get the correct behaviour without needing to know the actual type. Although virtual functions come with a (small) cost in terms of memory consumption and performance, the cost is trivial compared to dynamic type checking.

How does code signing authenticate your code?

Code signing is a way for programmers and other software authors to protect the authenticity of their products and files. It involves several features within the programming language environment including the use of a cryptographic hash or other check-sum methods.

Can you become a program developer after bsc computer science?

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

Possibly, if during your studies you have covered some programming. You would need to do a little more and get some experience, but if you commit yourself to doing that, then yes you could.

What is the best operating system for programmers?

Mac OS X.

Why?

First off, we have to consider our options. The major players are:

Windows, Mac OS, and Linux/Unix

Mac OS is the best because:

- Support for automation (Automator/AppleScript) which is essential

- Better hardware all-around

- Nice functional GUI (comparable to Windows)

- Ability to run all major OS via virtualization

- UNIX root

- Tools support is not bad (Xcode)

In essence, Mac OS is like Windows + Linux/Unix.

Is uknownAX a hacker in pr2?

Yes, he is, because he keylogged Melanie (the administrator), got into her account, banned everyone on PR2 for eternity, then modded random people (I don't see how this works but I was assured it happened), and he was going at it before Jiggmin and b@by*G took over. Jiggmin worked for three hours at the crashed servers, while B@by*G started demodding the mods who didn't deserve it.

What is object-oriented programming languages?

Programming real world entities as classes that have data members and member functions to operate on those data members, with rich functionalities such as abstraction, inheritance and polymorphism is called object oriented programming.

An object is nothing but an instance of a class.

abstraction refers to hiding the complicated details of a program while presenting a simplified interface to the user thus enabling him to use the functionalities without bothering about how they were implemented internally.

inheritance: where one class can inherit properties of another class thus helping in reuse of code.

polymorphism: meaning one name many functions, like area() which could be used to calculate area of a circle or triangle or square on the basis of parameters passed to it.

Why do models have limitations?

Models have limitations due to the fact that they are the real representation of the earth. Most of the scientific models are based on assumptions.

Complex computer programs can require thousands of program instructions?

This really depends on the program itself. In cases such as video games programmers have been able to reduce the amount of code by using loops when certain actions are done. This also speeds up the performance of the game.

IMPROVED:

That also depends on the instructions themselves. Being looped does not necessarily speed up the process, and can in fact slow it down depending on the instruction in particular.

The number of instructions are infinitely variable in any program. It can be one, or one trillion. Complex programs, such as games, may have several thousand lines of code, each with one to several hundred instructions each (possibly even thousands).

The average 2.8. GHz AMD Phenom II X3 720 CPU can perform up to 4.2 billion instructions per second at full load (Dhrystone MIPs)

Difference between K-mean and K-medoids algorithm for clustering techniques in data mining?

Both of them utilize expectation-maximization strategy to converge to a minimum error condition. While K-Medoids require the cluster centters to be centroids, in k-Means the centers could be anywhere in the sample space. k-Medoids is more robust to outliners than k-Means therefore results in more quality clustering. It is also computationally more complex.

A line of software code is called?

A line of software code is called a line of source code... Come on now.

Source lines of code (SLOC) is a software metric used to measure the size of a software program by counting the number of lines in the text of the program's source code. SLOC is typically used to predict the amount of effort that will be required to develop a program, as well as to estimate programming productivity or effort once the software is produced.

see: http://en.wikipedia.org/wiki/Source_lines_of_code

How do you search people on internet?

You have several options when you want to search for people online.

Start with a social network. Facebook.com and Twitter.com are among the most popular.

You can also try a business networking site like LinkedIn.com.

If the people you're looking for are on those sites, you can find them for free.

Another option is a Google search. Enter as much specific information about the person as you can. Google tends to produce a large number of results, so it may be difficult to find the right person.

People Search websites can help you find most anyone in the United States. Visit sites like PeopleFinders.com, PeopleSearch.com and PeopleSearchNow.com to search for people.

If you still can't find the right person/people, try searching for a close friend or relative - someone who may be able to help put you on the right track.

When you're searching, try using variations of the person's name. For example, use Mike, Michael and Mick. If the person has records under any of those names, you should be able to find them on people search websites.

It can take a little time, but with some patience and determination you can find most anyone you're looking for.

What is cross functional flow chart?

A cross functional flowchart is a flow chart that more closely specifies which part of the flowchart is performed by which entity.

E.a. when a process is executed as a collaboration of departments, a x-functional flowchart specifies which part of the process is executed by which entity. In order to do that the clowchart is extended by a swimline that is divided up into the collaborating entities and thus divides the flowchart into functional areas.

What is the size of object in programming language?

That would depend on the language; but usually, that should depend mainly on the amount of data stored in the object. For example, the programmer may decide an object needs an array of 10,000 ints, of 4 bytes each; that would require 40,000 bytes, plus some small overhead for the object itself.

That would depend on the language; but usually, that should depend mainly on the amount of data stored in the object. For example, the programmer may decide an object needs an array of 10,000 ints, of 4 bytes each; that would require 40,000 bytes, plus some small overhead for the object itself.

That would depend on the language; but usually, that should depend mainly on the amount of data stored in the object. For example, the programmer may decide an object needs an array of 10,000 ints, of 4 bytes each; that would require 40,000 bytes, plus some small overhead for the object itself.

That would depend on the language; but usually, that should depend mainly on the amount of data stored in the object. For example, the programmer may decide an object needs an array of 10,000 ints, of 4 bytes each; that would require 40,000 bytes, plus some small overhead for the object itself.

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