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NTP/SNTP v4/v3 Server/Client C++

by JadBenAutho

Efficient and standalone library for NTP server/client utilizing pure C++

Partition Tables Explained

by Elias Bachaalany

Format of the partition table accompanied with a GUI demonstration tool

Understanding (all) JavaScript Module Formats and Tools

by Dixin Yan

A one-stop tutorial of all mainstream technologies for JavaScript modules.

Tracing and Logging Technologies on Windows. Part 1 - Simple Ways Providing Information for Tracing

by Maxim Kartavenkov

The series of articles covers most aspects of logging and tracing mechanisms which can be embedded into your application. It discusses simple ways of tracing and also new tracing technologies which were involved in Windows 10.

Latest Articles

NTP/SNTP v4/v3 Server/Client C++

by JadBenAutho

Efficient and standalone library for NTP server/client utilizing pure C++

Reboot or Not to Reboot?

by Maxim Kartavenkov

This is a guide on how to configure your application, service or driver to handle appearing the new devices or device removal avoiding reboot request.

Tracing and Logging Technologies on Windows. Part 4 - Saving Log

by Maxim Kartavenkov

Discussion of how to organize saving application trace helper information.

How to "Monitor Data Changes in SQL Server Tables with Triggers"

by zidane168

Use SQL triggers to keep track of the changes made to your data

All Articles

System

NTP/SNTP v4/v3 Server/Client C++

2 Mar 2024 by JadBenAutho

Efficient and standalone library for NTP server/client utilizing pure C++

operating-systems

synchronization

Partition Tables Explained

2 Nov 2012 by Elias Bachaalany

Format of the partition table accompanied with a GUI demonstration tool

File system watcher sometimes does not pick up files properly even if the window service is running properly

23 Apr 2013 by Ian A Davidson

I am sorry that I only saw this question today. I have a several years' experience with FileSystemWatcher (and with the Win32 API functions when using C++ before C#).These are the main areas to look out for:1) As you said, make sure the code that handles notifications is as quick as...

Understanding (all) JavaScript Module Formats and Tools

16 Apr 2020 by Dixin Yan

A one-stop tutorial of all mainstream technologies for JavaScript modules.

Tracing and Logging Technologies on Windows. Part 1 - Simple Ways Providing Information for Tracing

18 May 2023 by Maxim Kartavenkov

The series of articles covers most aspects of logging and tracing mechanisms which can be embedded into your application. It discusses simple ways of tracing and also new tracing technologies which were involved in Windows 10.

TmStorage, Open-source Storage Engine for .NET

21 Nov 2014 by Tomaz Koritnik

TmStorage is a structureless virtual file system from which complex storages or databases can be built.

Reboot or Not to Reboot?

13 Oct 2023 by Maxim Kartavenkov

This is a guide on how to configure your application, service or driver to handle appearing the new devices or device removal avoiding reboot request.

Need help Forget password

12 Jun 2012 by Sergey Alexandrovich Kryukov

Of course you can fix it, and this is exactly what you need: forget (reset) a password, normally, an admin password.I hope you don't set up a password on access to the BIOS/EFI setup UI where you can change a boot sequence and boot from the CD/DVD or a USB drive (flash). If you have a...

How to build my own Operating system ?.

4 Jul 2013 by H.Brydon

In fact it is not that daunting a task. Really, an operating system is the code that takes over from the boot loader. As others here have hinted at, you won't get much success on conventional machines that you buy in a computer store. On the other hand, that is pretty much what you do with...

Tracing and Logging Technologies on Windows. Part 2 - Simple Ways Tracing in the Kernel Mode

15 Jun 2023 by Maxim Kartavenkov

Discussion of simple ways of tracing and also new tracing technologies involved in Windows 10

Tracing and Logging Technologies on Windows. Part 3 - User Mode Handles in the Kernel

5 Jul 2023 by Maxim Kartavenkov

Continue discussion of the simple kernel drivers tracing mechanisms by using output information into the handles of the files pipes and console passed to the driver from the host application.

devloping distributed system

2 Feb 2012 by Espen Harlinn

Have a look at my answer to Query regarding Design Pattern[^]The Pattern-Oriented Software Architecture series is an invaluable source of information about how to build a distributed system and the other pieces requied to build a working solution.Most of waht you'll find there has been...

System error While run the Program

9 Mar 2011 by OriginalGriff

Use the Sql Create Table[^] statement: SqlCommand com = new SqlCommand("CREATE TABLE MyTableName(" + "iD int NOT NULL, " + "name nchar(10) NOT NULL)", con); com.ExecuteNonQuery();

Mouse cursor in center

14 Dec 2012 by Sergey Alexandrovich Kryukov

Because the creators of OS designed it this way. There is no another reason. Why not?And you did not tag you OS, platform, language — nothing, so the whole talk is pretty much pointless. But in this, case, please don't ask this question again about some particular platform — the...

Mouse cursor in center

14 Dec 2012 by OriginalGriff

AS SA says - because that is the way the OS was designed.But think about it: Where else should it be?You can't put it at the right hand edge, or the bottom because it will be hard (if not impossible) to see.Putting it at the top or left of the screen doesn't help anyone much, because...

how to make an oparating system in my own

3 Mar 2013 by Michael Haephrati

Yes. You can make your own OS. It will just take a lot of resources and time. You didn't specify what is the purpose for making your own OS? The purpose could be for studying, or for commercial purposes (which would be next to impossible, taking into consideration many aspects such as supporting...

Virtual Screenshot Manager

7 Jun 2013 by csanuragjain

Captures, searches, and manages all your screenshots in one place.

Check Modem or GSM Phone by AT Commands

26 Nov 2014 by SergVoloshyn

Main program for testing modem or GSM phones by AT commands, use only standard classes and libraries.

Session 1: Setup SoftEther L2TP server on Amazon AWS Ubuntu

11 Feb 2015 by WoodyMou

Session 1: Setup SoftEther L2TP server on Amazon AWS Ubuntu

server-management

Notification doesn't show up on window VB, net

20 Jan 2022 by Luc Pattyn

I tested this C# code snippet on Win 10: NotifyIcon ni = new NotifyIcon(); ni.Icon = SystemIcons.Exclamation; ni.Visible = true; ni.ShowBalloonTip(1000, "title", "text", ToolTipIcon.Error); It shows a permanent notifyicon in the taskbar and a...

making of operating system

4 Jun 2011 by Christian Graus

Probably C or C++. That's as much of an answer as you can expect to such a broad question in a forum reply.

How we develop an operating system

16 Jun 2011 by Espen Harlinn

Here is a couple of links you might find interesting:the Fiasco µ-kernel[^]L4 microkernel family[^]Fiasco is an implmentation of the L4 architecture. It's fairly small, with lot's of interesting features.Get hold of a couple of Andrew S. Tanenbaums' books[^] - compared to most...

devloping distributed system

2 Feb 2012 by Sergey Alexandrovich Kryukov

I don't know who are "we", but the chances to develop a distributed system strongly depend on the skills of those people.Look here: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=development+of+distributed+systems+windows[^].You will find good amount of...

Changing Windows Parental Controls in VB.NET

8 Oct 2012 by djdynamix

A little workaround to enable a VB.NET application to read and alter the WPC settings for any user.

Killing a process using MainWindowTitle

27 Feb 2013 by Tarek Elqusi

Using the MainWindowTitle property to close a running program by killing the associated process.

Mouse cursor in center

14 Dec 2012 by Sergey Alexandrovich Kryukov

One note in addition and correction to the interesting explanation by OriginalGriff (Solution 2):Most artists dealing with painting, drawing and especially photography will tell you that the viewer pays most attention for the "sweet points" located at the distance approximately of 1/3 of two...

how to make an oparating system in my own

2 Mar 2013 by Tom Clement

Uh, how about go to university and study computer science for a number of years. :) Seriously, these are not trivial tasks. There are thousands of books written on these subjects.

File system watcher sometimes does not pick up files properly even if the window service is running properly

9 Apr 2013 by Sergey Alexandrovich Kryukov

This is not really a "solution", but something you should better be aware of; please see these CodeProject articles:FileSystemWatcher - Pure Chaos (Part 1 of 2)[^],FileSystemWatcher - Pure Chaos (Part 2 of 2)[^].—SA

how to make bootable image after compiling source code

15 Apr 2013 by Matthew Faithfull

The HelenOS documentation should explain how to do this. If you want another example which has entirely Windows hosted development and a includes an OS Bootloader for x86 based machines then I would take a look at the SanOS[^] project which is a fantastic small OS example.

Has linux message structure like windows?

24 Nov 2014 by Sergey Alexandrovich Kryukov

On Linux, as on all other Unix-like OS, windowed sub-system with messaging is based on X Window: http://en.wikipedia.org/wiki/X_Window_System[^].Now, a particular system may of may not include X Window System, as well as other sub-systems based on it. Unix and Linux is not anything fixed....

Tracing and Logging Technologies on Windows. Part 4 - Saving Log

18 Aug 2023 by Maxim Kartavenkov

Discussion of how to organize saving application trace helper information.

making of operating system

4 Jun 2011 by Valery Possoz

hello,you can start by reading this:Building your own operating system[^]Cosmos - C# Open Source Managed Operating System[^]or try google...Valery.

making of operating system

4 Jun 2011 by Abhinav S

Doing a search on the internet will give you a number of links.I found this[^] interesting for a start.But remember, there is tons more to do.

making of operating system

4 Jun 2011 by CPallini

Such an argument deserves more than a university course, here we can only give you some pointers (this is an hint on the development language).For instance you may consider the articles series of 0x3c0: "Beginning Operating System Development"[^].As about the code, you know, Linux is open...

How we develop an operating system

16 Jun 2011 by Kim Togo

Check out OSDev.org[^] or look at Linux[^]

how to get default %temp% value

25 Jul 2011 by «_Superman_»

What do you mean by default value?The value that was before your program was run?You cannot know it.You will need to run a program that starts with Windows and record it.I think you must use GetTempPath as Madhu said.Here is what it returns according to the documentation -The...

How to distinguish the source of event from different mouses?

27 Aug 2011 by unangel

I have two mouse, with global hook, I can get the mouse event of the two mouses.But I cannot find out the source of the event.It is not included in the MouseHookStruct.Does any have a clue for solving such problem?Thank a lot.

Get User Image for Windows Login user (Using C#)

25 Mar 2012 by #realJSOP

For Vista and later, the image is located in C:\Users\UserName\AppData\Local\Temp\[UserName].bmp

Is there Course Management System for ASP.NET?

18 Jul 2012 by Christian Graus

A course is content. Yes, you can get a CMS and configure it to make the content that it manages, course information. This is a programming site and this is not a programming question.

how can i create my own mailing system using asp.net 3.5

7 Sep 2012 by OriginalGriff

Those aren't questions we can answer: they are your design features.1) how can i develop the mailing system?In the same way you would develop any other project: specify, design, document, code, test, repeat.2) the mail is stored in the database(MSsql etc) or simple stored as a text...

centralised opeating system

31 Dec 2012 by Richard MacCutchan

See here[^].

Copying files with implicit encryption/decryption

3 Jan 2013 by YvesDaoust

I'd like to be able to copy unencrypted files from a disk to an external storage (whatever kind), and then back. I would like that when copying to external storage, the files transparently get encrypted, and when copying from external storage, they get decrypted. This way, I'll see no change on...

Operating System Development

19 Jan 2013 by Abhinav S

Start with concepts mentioned here -http://www.osnews.com/story/2691[^]http://himmele.blogspot.in/2011/07/build-your-own-operating-system.html[^]http://www.techrepublic.com/blog/european-technology/build-your-own-os-using-the-raspberry-pi/1167[^]

Operating System Development

20 Jan 2013 by Andreas Gieriet

You talk about a file system, not an OS. The file system is just a part of an OS (please note that an OS does not necessarily need to have a file system - see many embedded system OS).Implementing a file system is kind of useless (you have no benefit in re-inventing your own or...

C#, Configuration files

12 Feb 2013 by Richard MacCutchan

See here[^] for app.config. I expect you can find the section on manifest files.

File system watcher sometimes does not pick up files properly even if the window service is running properly

26 Oct 2017 by Sairam Kannan

Hello All,Following is my scenario:I will get xml file in my source folder and i have to pick them up and process create new xml file and place it in destination folder. I have a window service in my application in which i have included file system watcher concept for performing above...

How to build my own Operating system ?.

2 Jul 2013 by Espen Harlinn

To get started it might be useful to have a look at a fairly simple OS, like: FreeDos[^]Best regardsEspen Harlinn

C# execute system command doesn't work correctly

21 Jul 2013 by Dave Kreskowiak

First, Explorer.exe is one of those process that you DO NOT SCREW WITH.The command line to launch it is "explorer.exe", not "CMD /C explorer.exe /F".The /F switch is not valid in Explorer. It, or any other invalid switch, will force Explorer to open a single window opened to MyDocuments...

I need help for a server hardware configuration

24 Oct 2013 by phil.o

SQL Server Sizing Resources[^]Server Sizing Guide[^]Those should at least point you where to start.

web_development

Can I do this in UML : Sequence Diagrams?

17 Jan 2014 by Peter Leow

Yes, it is. Read more: use-case-diagrams[^]

Ensuring the call to GC in Java

5 Feb 2014 by Richard MacCutchan

See http://docs.oracle.com/javase/7/docs/api/java/lang/System.html#gc()[^]. However it is still the virtual machine's decision as to whether it runs immediately or queues the request. In general you should not be concerned about it.

garbage-collection

Planning to buy a Computer.....

23 Feb 2014 by Peter Leow

Check these out:1. .NET Framework System Requirements[^]2. SQL Server 2008 hardware and software requirements[^]3. Toad for Oracle 12.1[^]

A Task Scheduler Library for .NET Applications

11 Jun 2014 by Sen Jacob

This is an alternative for "A Task Scheduler Library for .NET Applications"

implement the solution to the producer-consumer problem using shared variables.

24 Sep 2015 by Richard MacCutchan

Sorry, we do not do your homework. If you had bothered to Google the word Homework, you probably would have found out before posting the above.

How to run commands on cmd prompt using cpp

10 Feb 2016 by Jochen Arndt

The system() function already invokes the command processor cmd so that there is no need to execute it again if you not want to let the user enter commands or set specific options.With Windows command prompts, using ';' to separate commands is not supported. Use '&' or '&&' instead where the...

Version Control: Effective Use, Issues and Thoughts, from a Gamedev Perspective

10 Oct 2016 by Ashley Davis

A look at version control from the game developers perspective

What is desktop window class like?

7 Apr 2018 by OriginalGriff

Let's answer these in reverse. Quote: Why do I have to type the sentence which is at least 30 charachers? To make you think about what you are asking, and to prompt you to give a reasonable amount of information. The better the info, the better your question. The better your question, the better...

System wont let me delete a file and then as I tried to stop it this happened (I dont know english that well)

18 Jul 2018 by OriginalGriff

This is not a development subject: you are trying to delete a file or folder that is protected - and from it's name you are trying to remove the Windows/System folder - and you cannot do that without admin privileges. Not to mention that deleting anything under the Windows directory is a bad...

How do I write a program to load on boot

27 Jan 2019 by Patrice T

Quote: How do I write a program to load on boot The way you ask the question, suggest that you don't really know how "boot" works. On a PC, there is many boots at different levels. - First, a PC boots on BIOS: you can't add an external program on it. - then BIOS goes to MBR (Master Boot...

Convincing Stakeholders of Necessity of System Creation and/or Code Changes

2 May 2021 by raddevus

7 step outline will help you communicate quickly and clearly to team about System Creation / Code Changes

How do I execute "terminal" using "system" call?

13 Sep 2021 by Richard MacCutchan

If "terminal" is the name of an executable program, then yes, a system call should work. However, your question could do with more clarity.

An Integrated Mobile Application to Control and Management Gym Personal Activities with PHP Ecosystem and React Native

5 Oct 2021 by André Marcos (Advisor), Renan Cardoso

Developing a solution to help user and personal trainer, to control and to track personal activities in a gym supported by a simple and integrated app with PHP ecosystem and React Native and Postgre database.

Which command should I use? - Linux

5 Apr 2022 by Richard MacCutchan

sort(1) - Linux manual page[^]

Write a shell script code

5 May 2022 by CPallini

You have to write the script. That said, for your script you need to know how to: Detect an empty variable Check if the file exists Use the wc Linux command Google is awaiting for you...

How do I make a food ordering system C++ program

18 Oct 2022 by OriginalGriff

First off, get rid of the label and goto statements: use a loop such as a while or do ... while instead. And then forget that goto even exists for a few years until you understand when it is appropriate to use one! Second, read the question...

How to find out if there are any keyboard hooks already in place?

19 Jan 2010 by Buzzby

If you want to see if any hooks have been set via SetWindowsHook() what's the best way to do it?From Keyboard Spy: implementation and counter measures[^] there is a useful routine, but is it optimal?It has the EnumModules() routine, but I was wondering if anyone has come up with a more...

How to find out if there are any keyboard hooks already in place?

19 Jan 2010 by «_Superman_»

You can install a debug hook with WH_DEBUG. The debug hook routine is called before any other hook routine is called with the information about the hook to be called.

Interview Question

24 Jan 2010 by Abhishek Sur

:laugh: :laugh: Actually if you have ever used Team Foundation Server / Visual Source Safe / SVN etc you would have gotten this answer yourself.Actually while we develop a project in team, each individual accesses a central codebase. Now if i need to change a particular file, I would...

Interview Question

24 Jan 2010 by Jimmanuel

Alright, you have my apologies, that was a bit dick-ish. As Abhishek Sur said, what he was asking about is what source control utilities you are familiar with.

Interview Question

24 Jan 2010 by Amgad Fahmi

Thnx for your answer and i already worked with source safe and svn (by the way svn doesnt work in same way like source safe do, by default in svn 2 developers can modify the same file in same time )and i know how they are working but i am sure this is not what he meant.i was googling about...

Interview Question

24 Jan 2010 by #realJSOP

They're asking you what experience you have with check-in/check-out systems. If you don't know what that is, then you have no experience with it.Like jimanuel said - tell them you don't know what it is, and see if they keep interviewing you.

Interview Question

24 Jan 2010 by Amgad Fahmi

Thnx John and really your knowledge forces me to respect what you said , but i mentioned before that i already had the interview and i just want to know the answer , is there something wrong when u hear about something you don't know you try to figure out what is it ? i think this one of the...

How can I create shared memory if there is no interprocess communication between two processes?

4 Feb 2010 by Dibyasingh Majhi

How can I create shared memory if there is no interprocess communication between two processes?

How can I create shared memory if there is no interprocess communication between two processes?

4 Feb 2010 by Richard MacCutchan

I am not sure that I fully understand your question but this[^] may be the solution to your problem.

asking to remove trojan virus from PC

14 Mar 2010 by Nicholas Butler

The best way of removing a virus is to reinstall your operating system.Nick

what does using exec in unix ?

17 Mar 2010 by nuri44_

i have two files .and i have two process for two files .then contains of files are writen one by one(row).for example:files1:abc deffiles2:xyz./combine "what are you doing" files1.txt files2.txt program image:what are you doing abcxyzdefhow i make...

what does using exec in unix ?

17 Mar 2010 by Richard MacCutchan

Read the command line arguments one by oneif the argument refers to a fileread next line of filesend line to output streamrepeat until end of fileif not file, echo to output stream

Special folder location.

22 Mar 2010 by Member 3420509

In case of terminal server os my service(running in system contex) wants to get the desktop foler path of all logged on user, how can i do this?

Special folder location.

22 Mar 2010 by Philip.F

Environment.Ge...

Execute function in service when Windows system shuts down.

7 Apr 2010 by neilt1071

I need to execute a function in my service when the computer shuts down or restarts. On_Stop doesn't work, because that only seems to function if the service is shut down manually.I have looked at SystemEvents.SessionEnding, but that only seems to work within the context of a Windows form. I...

Execute function in service when Windows system shuts down.

26 Mar 2010 by R. Giskard Reventlov

See here: Detect Shutdown from .NET[^]. This should get you started.

how to unmount drives.

1 Apr 2010 by djoo7

:~Hello to codeproject members.I have xp & win 7 os.I wants to unmount the partition of one of OSwhich is not running,& alternate to it.So the one can not access the drives of other OS.please help me out.

Execute function in service when Windows system shuts down.

8 Apr 2010 by neilt1071

Finally found a good example.http://msdn.microsoft.com/en-us/library/microsoft.win32.systemevents.aspx[^]Services do not have message loops, unless they are allowed to interact with the desktop. If the message loop is not provided by a hidden form, as in this example, the service must be...

how we can get the detail of floppy disk parameter block (DPB).

29 Apr 2010 by Shanay

i need ur help in this regard how to understand the details of DPB if we wanna define our own DPB as u did? where is the source code of BootSectorUtility.exe plz upload as well?if we wanna execute c++executable file after boot loader how we can?kindly send the detail plzzzzzzzzzzzzz

how we can get the detail of floppy disk parameter block (DPB).

29 Apr 2010 by Saurabh.Garg

You should post this question in the forum at the bottom of the article.-Saurabh

how we can get the detail of floppy disk parameter block (DPB).

29 Apr 2010 by Sandeep Mewara

It looks like you want to ask this question to an author related to his/her article.I would suggest you to please use the forum present at the end of the article in order to reach author and get quick response. Rarely you will find authors reading this forum.Please post the same at the...

Banner Management System

21 May 2010 by Ramesh_Patel_

I am developing site for online advertisements where sellers and buyers can come and sell/buy advertisements.Just want to develop detailed statistics like click counts, from which page clicks are coming, from which position (top, right, left ...) click are coming etc. I seen that most of the...

Banner Management System

21 May 2010 by Christian Graus

This has to be the easiest part of your task. Each user of the ads puts a different value in the query string, like refid=codeproject for example. Then the ad site reads it off the URL.

Laptop restart problem

5 Jun 2010 by Mikiyas Abebe

Hello,My Compaq labtop (evo n610c Modle JO7M040.00) couldn't boot. It starts to boot and restart again and again the cd rom is not working to repair with the xp cd. Is their any option I can fix it? Please I need helpThank u in advance

Laptop restart problem

6 Jun 2010 by #realJSOP

Try this:Try getting into the BIOS and set the laptop boot order to boot from the DVD drive first, hard drive second. After you've done that, try booting your rescue DVD so you can "repair" your Windows installation.

Detect computer restart or lack of

20 Jun 2010 by bickelk_90

I'm writing a program right now which requires a full system restart before certain functionality can be used. I have looked on Google and so far the best way that I have found to detect a system restart/or lack of, is to use the Registry key RunOnce to add another key as an indication, but this...

Detect computer restart or lack of

21 Jun 2010 by TheyCallMeMrJames

For what you're looking for you won't be able to find a single-gun solution.You'll need to leverage RunOnce and System Boot Time to be effective here (and I'm not sure a dubious user wouldn't be able to bypass these anyways).System boot time is not reset on logon. If you're using the...

MDAC version problem

1 Jul 2010 by Ersan Ercek

I solved the problem however rather than removing the question, I prefer to explain how, in order to help you aferwards.Despite the lots of incompatibilty posts in several forums,It is necessary to reinstall MDAC. However XP.SP3 does not make it easier for you. You need to :Start-Run...

MDAC version problem

1 Jul 2010 by Ersan Ercek

Dear All,I have a problem. I downloaded the .net project(web) from clients server in order to modify. it is vs2003 asp.net by the way.The software is supposed to extract some data from excel file.however when the code comes the following exception is thrown.The .Net Data OLE DB...

Monitoring Registry Change

14 Jul 2010 by AshwinAtri

After installing an application many registry keys are getting created. Upon using the application it changes the values of these keys.Now, how do i track these changes ? Practically there are many keys and manually not possible..,Please can anybody guide me how to track registry changes...

Monitoring Registry Change

14 Jul 2010 by Nuri Ismail

You can export the registry to a text file before the task is performed, then export it to another text file after the task is performed and compare the two files. There are free file comparison tools: here[^] you can find one of them. Also if you want to monitor the registry activity during the...

System Side - About Assembler, compiler

2 Sep 2010 by lgatcodeproject

This is a question about system programming concepts. I need to get clarified about how the compilers work, there are different compilers available for a language say c++, to write a compiler what concepts should be one aware of? I know its a most generalized question, one cannot provide a...

Number System Conversion

2 Sep 2010 by lgatcodeproject

How is the number system applied in computers? Computers works only in binaries, high (1) low(0), so where does the hex,oct, dec code system fit in. And when these conversions to binary needed?Regards,LG

Number System Conversion

2 Sep 2010 by LittleYellowBird

Hi,This is a very basic computing question. There are many explainations of this on the internet. Rather than trying to explain it here I suggest you use Google to find the information that you need.It sounds like a good beginners programming book would be an excellent idea for you as...

Number System Conversion

2 Sep 2010 by CPallini

See, for instance, http://en.wikipedia.org/wiki/Computer_numbering_format[^]. :)