C

Great Reads

by Martin Mitáš

How to support scrolling within your controls.

Synchronization with Visual C++ and the Windows API

by Espen Harlinn

Choosing the right synchronization mechanisms when working with threads, thread-pools, and I/O Completion ports to create high performance asynchronous servers in C++

Intermediate Data Clustering with k-means

by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

Authenticated Encryption

by Jeffrey Walton

Perform authenticated encryption with Crypto++.

Latest Articles

BASIC is not dead! Neither is the WIN32! Time to end the myth. (Part 3)

by Chris Boss

BASIC: A powerful language often underestimated and undervalued

RGFW | Singler-Header Lightweight Framework for Basic Window and Graphics Context Handling (like GLFW)

by ColleagueRiley

A multi-platform single-header very simple-to-use framework library for creating GUI Libraries or simple GUI programs.

How to Design an AXI4 Stream Interface in Vitis HLS

by FPGANinja

A walkthrough and source code for designing a stream interface in Vitis HLS

Fast SSE Pseudo Random Number Generator

by Alexey Shtykov

The thing that could generate pseudo random numbers faster than standard library does

All Articles

top

C

what is the size of unsigned long int

7 Jan 2010 by #realJSOP

You have to ask more precise questions.Do want the size of an ulong type, or the maximum ulong value?

string functions in C++

29 Jan 2010 by #realJSOP

Fer christ's sake, use google! This is for QUICK answers.

C++

Execute Program Before Windows loads

29 Jan 2010 by #realJSOP

It might be, but I bet that you'd probably have to write a driver to do it.You need a lot of programmer foo to write drivers.

C++

running a C console program silent(windows)

31 Jan 2010 by #realJSOP

Yeah - it's called a windows service.

Code to wire cut during packet switching

2 Feb 2010 by #realJSOP

There's no earthly way you can determine why the connection dropped. You can only determine that it did in fact drop.

C++

hello！i am a new learner .now i have a question hard for me!i hope my friends can help me !thanks!

6 Feb 2010 by #realJSOP

That sure is a pretty block of code, but without an explanation of what you want help with, it's kinda pointless.

C mod question

5 Feb 2010 by #realJSOP

What's your question? Have you actually tried to run this code?

Help with the language of this program??

8 Feb 2010 by #realJSOP

First, it looks like C++ to me. Second, learn how to use tags. Your code is supposed to be properly formatted when you post it here.

C++

I want complete source coding of an auto summarization tool based on statistical or linguistic analysis.

10 Feb 2010 by #realJSOP

Crap in one hand, and want in another, and tell us which one fills up faster...

C++

Dll Related

15 Feb 2010 by #realJSOP

Based on your response that it is a C++ DLL (assuming an unmanaged DLL at this point), you have to use System.Runtime.InteropServices to access the functionality of the DLL.If you don't have the source code to the DLL, you can find out what methods are exported by using a utility called...

DLL

how do i create a c program that extract and reads zip files in C/ C++

7 Mar 2010 by #realJSOP

You can use a (free) program called Depends to examine the exposed API of the dll you're trying to use. Use google to find the download.

C++

Can someone help me with my C programming assignment?

14 Mar 2010 by #realJSOP

I would start with: int main(){}Didn't your instructor provide you with the knowledge you need to do something like this?

Codes for glcm, stastical property, moment invariants of texture classification of satellite image

25 Apr 2010 by #realJSOP

And while you're waiting for someone to do your work for you, I would like to offer you a FROM JSOP: And while he's waiting, he'd like a double sweet latte with extra whipped cream and a light dusting of nutmeg. We are also offering free scones and a clue with every luxury coffee beverage.

MatLab

Data corruption detection in generic app code

26 Apr 2010 by #realJSOP

Well, what are you trying to accomplish? In the code you've posted, as long as pwnd isn't null, you should be good to go. What else are you concerned about?

C++

Windows

Design

How to get the main thread ID of a process (known by its ID) ?

3 May 2010 by #realJSOP

So accept the answer (there's a button there for it).

C++

Windows

threads

a mini p2p client in c/linux

12 May 2010 by #realJSOP

First, this is called "Quick Answers", not "Teach Me Everything There is To Know About This or That".Second, you not likely find many people here that can discuss this topic with any kind of authority since this is primarily a Windows developer site.Third, we don't do people's homework...

Linux

How can I read available RAM and CPU load?

23 May 2010 by #realJSOP

Google the phrase "WMI C++". I'm sure you'll come up with a bunch of hits.

Windows

Win32

Count number of words in text file

15 Jun 2010 by #realJSOP

It's easy to do. Really. Just be a programmer and write it.

Count number of words in text file

15 Jun 2010 by #realJSOP

Here - try this.public string ReadTextFile(string filename) { StreamReader re = File.OpenText(filename); string result = ""; string input = ""; try { while ((input = re.ReadLine()) != null) { ...

a C program plz help me

26 Jun 2010 by #realJSOP

We don't do people's homework assignments for them. However, if you have a problem, show us the code you're having trouble with, and you just might get answers.

constructor

1 Jul 2010 by #realJSOP

You're probably missing the parenthesis in your constructor definition.You probably have this :MyClass::MyClass{}instead of this :MyClass::MyClass(){}

Wanna knw how to build this Virtual Reality App!

1 Jul 2010 by #realJSOP

Quick Answers is for asking programming questions about code you're hacving a problem with, and is NOT a forum for diuscussion about projects you'd like to build. There's probably an appropriate forum on this site for this kind of thing, but Quick Answers is NOT it.

Java

C++

game

how seperate integer part and fractional part?

8 Jul 2010 by #realJSOP

double sample = 1.234double fractional = sample - Math.Floor(sample);

C++

How can I let my application run only three times?

11 Jul 2010 by #realJSOP

Maybe you shouldn't worry about it. Copy protection won't work because if your application is deemed to be important enough, someone somewhere will figure out a way to deactivate anything you might put in the code. However, if you really think your application is worthy of stealing, you...

C++

VC6

MFC

c#.net with Linq

21 Aug 2010 by #realJSOP

Did you even have a twinkle of a thought of using google to find sample code?I googled "linq to xml sample", and found this site among over 1.2 MILLION hits.http://www.hookedonlinq.com/LINQtoXML5MinuteOverview.ashx[^]

C#3.0

Need Advice and help from C programmer

14 Sep 2010 by #realJSOP

Well, try it and see what happens...

Need TV.LIB file for Turbo C

16 Sep 2010 by #realJSOP

Wow - TurboVision. I haven't heard that name in a LONG time (1989 to be exact).

code for complex numbers

27 Sep 2010 by #realJSOP

Google "math with complex numbers".

how to find average of a number?

27 Sep 2010 by #realJSOP

Try here[^].

About compiler design

6 Oct 2010 by #realJSOP

Create a new solution in Visual Studio, and start coding.

C++

C#3.0

Accuracy of float types

14 Oct 2010 by #realJSOP

Because float types are notoriously inaccurate.Using double would be better until you started doing math with it, and then, all bets are off.If you want the best possible accuracy, use a decimal type.

spaces int input and output in c language

18 Oct 2010 by #realJSOP

Homework, right? I won't give you code, but I will give you a direction.You want to look into using the sprintf function.

Write a c program.

20 Oct 2010 by #realJSOP

You want to look at the sprintf function. That's as much help as I'm willing to give. If you're learning C, you simply MUST learn the contents of the various libraries. That's the ONLY way you're going to be successful with the language.

Beginning software development

26 Oct 2010 by #realJSOP

Take a class. Buy books. Learn how to type "google.com" BEFORE learning to type "codeproject.com".

C++

Visual-Studio

Windows 7 Service won't write to the Registry

15 Nov 2010 by #realJSOP

Writing to the registry requires admin privileges. You probably have to install it from the admin account on the machine.

C++

Win7

service

about AES ALGO.

19 Nov 2010 by #realJSOP

Have you tried google? I think it's available everywhere but China.

four way stop signal traffic control

29 Nov 2010 by #realJSOP

The object of your homework assignment is prettyy much a 50/50 split between analyzing the problem and implementing a solution. What good is it going to do you if we were to give you a desgn? Come up with your own solution and uimplement it. When you have a specific problem in the code...

How can we change the value of a constant at run time?

14 Dec 2010 by #realJSOP

You can't (shouldn't). A constant is called a constant because it's value is - well - constant.EDIT ==================Why did you vote this a 1? It's damn well correct. A constant cannot be changed at runtime, dynamically or otherwise. That's why it's called a "constant".If you need...

how can i save my .net database to be used on another computer

26 Dec 2010 by #realJSOP

There are a few things you can do:0) Convert your database to be completely xml-based. You can then free yourself from SQL server, and your application becomes the control for the data. This is probably not what you - personally - want to do because it involves writing more code, which...

.NET

GetProperties is not a member of IVdsDisk

7 Jan 2011 by #realJSOP

It's been a number of years since I had to do any C++ or COM work, but try this:IVdsDisk* pVdsDisk = NULL;HRESULT hResult = ppObjUnk->QueryInterface(IID_IVdsDisk, (void**)&pVdsDisk); if (hresult == SUCCESS){ VDS_DISK_PROP diskProp; hResult =...

Get Memory and CPU usage in a C program

10 Jan 2011 by #realJSOP

You could try google. I found this CodeProject article with the search phrase, "C++ get cpu load":Get CPU Usage with GetSystemTimes[^]

C++

Multiple Queue

11 Jan 2011 by #realJSOP

If you're a beginner, this is probably a homework assignment. Given that assumption, it would probably also be safe to assuem that your instructor gave you everything you need (in terms of instruction) to come up with the code you need to complete the assignment.Nobody here is going to write...

C++

Writing in Reserved space in FAT32 Boot Record

12 Jan 2011 by #realJSOP

Well, that 12-byte region is marked as "reserved", which mesans a future OS could use it at any time. You may also experience certain Anti-virus apps seeing data in that region as a possible virus attack.

Rebuild an existing project

12 Jan 2011 by #realJSOP

Does "don't have time" actually mean "waited until it was too late"?The point of the assignment isn't to copy someone else's work - it's to do the work yourself.

Method required In C which is Equivalent to DoEvents method in VB 6.0 to access GSM Modem

14 Jan 2011 by #realJSOP

You could look into this:MSG msg;while (GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg);}

View and operate program from inisde a program or presentation on Mac

16 Jan 2011 by #realJSOP

I think the only way you could pull this off is if the application in question could be constrained in a window that your own application creates. Since X-Plane is a game, and since most game companies would never even consider running their game in a window that wasn't borderless and full...

Algorithm for partitioning a general closed polygon

18 Jan 2011 by #realJSOP

Did you even think about using google? Search for "partition polygon into monotone chains" and you'll get 22,000 results. Surely, one of those has to be "readable".

hello i have a question about socket

20 Jan 2011 by #realJSOP

Linux isn't Unix. They're close, but there will be differences. Try this web site:Linux Socket programming tutorials[^]

Linux

network

application to list the services running at startup in windows

24 Jan 2011 by #realJSOP

It's called the System Managment Console. Right click My Computer, select "Manage" from the context menu, and when the form comes up, look atr the bottom, and there's an entry in the tree labeled "Windows Services". Click that, and you'll see all of the services.

Win32

HOW TO design and develop

29 Jan 2011 by #realJSOP

We don't do homework for people. It's not that we feel that we're above it, but rather that you are given these assignments for YOU to learn how to do something. Many times, the process is more important than the outcome where a homework assignment is concerned. If we do it for you, YOU won't...

AppStart - Add programs to startup

4 Feb 2011 by #realJSOP

Go to your project properties C/C++ | Code Generation | Runtime Library | Multi-threaded Debug DLL (/MDd), or Multi-threaded DLL (/MD) for the release config.

Windows

How to protect my application so only the person that has the key or password uses it

6 Feb 2011 by #realJSOP

Look for a 3rd party tool to do it. Here's one I found using google:CryptKey[^]Why did you ask your question a 2nd time?

C++

Determine a pattern in numbers in a group

6 Feb 2011 by #realJSOP

If you know the pattern, it would be a simple matter to write code to fill in missing/following numbers. If your pattern has an actual name, you can probably find a formula for it on the internet somewhere. For instance, the Fibonacci pattern is described...

Shell-Extention in C to show or creat new directories in "MY Computer"

8 Feb 2011 by #realJSOP

We don't do homework for people. It's not that we feel like we're superior or anything, it's that you won't learn anything if we do the work for you. Make an effort to do the work yourself, and if you have a specific problem, come back and ask a question about that problem.

Java

C++

MFC

Need help reading C source file for left and right braces

9 Feb 2011 by #realJSOP

To what end? That's not going to guarantee they're all in the correct place, so making sure there are an equal number of each is fairly pointless.After replying, I realized that this is a homework assignment.

how to execute process in admin login without log off in current user.

10 Feb 2011 by #realJSOP

If it requires admin access, the UAC will take care of it by prompting you for an admin password. Of course, I'm assuming that you're using Win7 or Vista.

C++

how to execute process in admin login without log off in current user.

11 Feb 2011 by #realJSOP

Try this link:http://msdn.microsoft.com/en-us/library/ms682425.aspx[^]I think you want CreateProcessAsUser() or CreateProcessWithLogonW().

C++

encryption and decryption of a file

16 Feb 2011 by #realJSOP

FFS, what didn't you understand about "use google"?If you google "c encryption example", you'll get almost 12 MILLION results back. Here's one of them:http://www.codealias.info/technotes/des_encryption_using_openssl_a_simple_example[^]If you're going to be a programmer, you'd better...

Problem on C programming !

17 Feb 2011 by #realJSOP

We don't do homework for people. It's not because we feel superior, but because it's important that you learn how to analyze a problem, and design/implement a solution. If you can't do that, you'll never be a successful programmer.

This code gave an error please help me fix it

9 Mar 2011 by #realJSOP

Code looks fine to me. Where are you getting the error message, and what error message is it?

code to create an antivirus software in c

10 Mar 2011 by #realJSOP

If you're here asking for "codes" to do something, I seriously doubt you are aware of just how involved such a project would be, much less have the programming foo to maintain/support such software.Beyond all that, try googling for the info you need (though I seriously doubt you'll find much...

Mis Tech At Greenville Hospitial system wanting to learn Code

14 Mar 2011 by #realJSOP

0) What is a "Mis Tech"?1) Download Visual Studio 2010 Express (it's free).2) This is the hard part - decide what platform/architecture/language you want to code for. Platforms are Web or DesktopIf you picked Web, you're looking at asp.net, which includes html, javascript, css...

something like abstract class

23 Mar 2011 by #realJSOP

C is not not capable of having classes. Period. If you want classes, you have to use C++.

I need to rewrite this line of code, and need help

13 Apr 2011 by #realJSOP

Looks to me like it's defining a field offset based on the type of value that's represented by the specified field name.

Linux

Windows

SJF Algorithm in C# form

15 Apr 2011 by #realJSOP

You should really try google. I did, and got back almost 58,000 results:search phrase = "sjf algorithm"[^]

OpenOffice Installed path

18 Apr 2011 by #realJSOP

Show us the C# code you use (it shouldn't be a lot of code).

list of strings in an 2d array

20 Apr 2011 by #realJSOP

I think you want this instead (I may be wrong, my C++ foo has long gone unused):char* str[100];for (int i = 0; i > str[i];}

C++

Getting Length, Now I Need IP Address

21 Apr 2011 by #realJSOP

I believe that the socket object knows the ip it's connected to. Of course, you gave almost no information, so I'm only guessing that your using the CSocket class.

C++

combining code from different languages

22 Apr 2011 by #realJSOP

Can't use google? I googled "opengl c", and got back 12.8 MILLION results back. The third link was to opengl.org itself and is a page of c example applications.Here's a link to the returned results:"opengl c"[^]

Is there even such an algorith?

13 May 2011 by #realJSOP

It's unclear because we don't know what the algorithm is trying to achieve.

algorithm

Sorting a CHAR based Array with Strings

13 Jun 2011 by #realJSOP

If you're expected to keep the indexes lined up with the other two arrays, you're in a world of hurt.The first thing I'd do is create an object to hold one element from each array (at the same index, of course). Next, I'd put thos objects into a generic list. Next, I'd use this tip/trick to...

Win7

Windows

Visual-Studio

programming in c or c++

17 Jun 2011 by #realJSOP

We don't do people's homework for them. It's not because we feel superior, but because YOU won't learn anything if we do your homework for you. If you put some effort into doing this yourself, and have a SPECIFIC PROBLEM, come back and ask about THAT PROBLEM, and you'll likely get more help...

info about code....................

17 Jun 2011 by #realJSOP

cmd.CommandTex...

How to use the stdin function in c indept`

1 Jul 2011 by #realJSOP

Look at solution #2 for the answer:how to use stdout for data share between two processes[^]Even better, why don't you guys collaborate because you're working on the same freakin' thing.

best book for major projects in c or c++

3 Jul 2011 by #realJSOP

If you're participating in "major projects", you shouldn't need a book at this point in your programming career. Beyond that, no single book is going to be the "best book". I think that if you have good fundamental programming practices, you should be able to rely on google for your...

C++

Write a program to find the minimal positive integer number Q so that the product of digits of Q is exactly equal to N in C language

3 Jul 2011 by #realJSOP

We don't do homework for people - not because we feel like we're elite or too important, but because YOU won't learn anything if we do it for you. If you try to do it and have a problem with a particular part of the code, come back here and ask a question about THAT particular part of the code -...

How can I write a Self-Modifying code ic C?

8 Jul 2011 by #realJSOP

We know what self-modifying code is, and it's not possible in C. 0) Each compiler generates a slightly different binary representation of the source code (even between versions of the same compiler). 1) You would have to disassemble the code - in memory - and then modify the assembly...

Who can run this code in C?

8 Jul 2011 by #realJSOP

I don't see dest declared anywhere...

Code of the "Online tutor " project?

8 Jul 2011 by #realJSOP

This should explain it[^]

good project to receive outstanding performance in company

25 Jul 2011 by #realJSOP

Why don't you just do the work assigned to you? If you're good at what you do, people will notice.EDIT ==============I think your really need to read this article:Being a Programmer[^]The best way you can impress your superiors is to put 120% into the work to which you've been...

Linux

Windows

Control the remote system

25 Jul 2011 by #realJSOP

You can't "control the kernel" of an OS. If you could, nobody would be using it. The topic you need to master is "common sense".

Windows

How to protect C# DLL from Reverse engineering

28 Jul 2011 by #realJSOP

Using an obfuscator tool is the only way. Be aware that obfuscating doesn't make it "impossible", but it can make it significantly more difficult to do in a timely manner. One tool not to bother with is the one that comes with Visual Studio. It doesn't do *nearly* enough.

ASP.NET

disable the keyboard and mouse

6 Sep 2011 by #realJSOP

If you disable the keyboard and mouse, how do you expect to RE-enable with a keyboard key press or a mouse click?

C++

c sharp regex replace first or last character of any word

9 Sep 2011 by #realJSOP

Why use regex? // I would personally make this an extension methodpublic static string ReplaceOccurrence(this string str, string target, string replacement, int count){ int pos = -1; int counted = 0; string result = ""; do { pos = (pos >= 0) ?...

regular-expression

add operator in C and C#

21 Sep 2011 by #realJSOP

Go here [^]

Faster and Smaller C Programm

30 Nov 2011 by #realJSOP

Wow, I didn't think I'd have to break out the ol' crystal ball this early in the morning. Here's an answer that matches the lack of information in your question, yet strangely applies to pretty much any program written in any language - write better code.

How to block running of firefox.exe in the machine in xp

5 Dec 2011 by #realJSOP

Set permissions on the EXE as admin only, and don't make anyone else admin on the box.

VBScript

C++

A c progarm for count digits and white space,

7 Dec 2011 by #realJSOP

It's because you're looking for ' 0 ' instead of '0'. In other words, remove the padding for everything except the space character.

How to Develop Steganography In C

9 Dec 2011 by #realJSOP

Over 5 MILLION google results for the search phrase "steganograpgy c"[^]Man, even the hackers are gettin' lazy...

I want to go down the line and learn either of C or C++, which one should I focus and put my energy on?

16 Dec 2011 by #realJSOP

I think you should learn Cobol - It starts with a 'C'.

C#4.0

C++

pointer palindrome(can someone please explain the following code step by step and in a easy way...thanks a lot!!!)

20 Dec 2011 by #realJSOP

It's starting at each end of the character array, looking for character matches. Given the string "abccba", it's comparing the character at position 0 and 5, 1 and 4, and 2 and 3 to see if they're the same. If they are, it's a palindrome. If it runs into a pair that doesn't match, it's not a...

unabel to include mysql.h in c program

25 Feb 2012 by #realJSOP

It doesn't know where to find mysql.h.

MySQL

c programming help for my simple program

8 Mar 2012 by #realJSOP

Go here [^]

How do I perform inequality comparisons in C using switch case statement?

9 Nov 2016 by #realJSOP

It is not recommended to use a case statement without some preprocessing that would probably involve using the dreaded if/else if... construct, but if you're just trying to be different, you could try this:int x = 0;string status = "";status = (status == "" && x >= 50) ? "You...

Count query in table database

5 Feb 2017 by #realJSOP

Do not build query strings like that. You're setting yourself up for SQL injection. Use parameterized queries instead.

Import C library in C#

30 Oct 2018 by #realJSOP

Google is your friend. It appears to be related to uninstalling GoPro software (or something similar). No SPLib DLL was found in the Waterfall procedure - Google Search[^]

DLL

Printing long long int values

27 Mar 2019 by #realJSOP

use sprintf to format it with leading zeros.

: Write a program which reads two physically addressed blocks from disk using biosdisk() function

16 Jul 2019 by #realJSOP

Try this: bool DoMyHomeworkFormMe(bool please) { return false; }

What will be the output of this program

18 Oct 2019 by #realJSOP

Run it, and see what the output is. If the output isn't what is desired, use the debugger to step through the code to see where you went wrong.

How do I compress images?

16 Apr 2020 by #realJSOP

This code snippet:System.Drawing.Imaging.Encoder.Quality is how you control compression. The lower the value, the lower the resolution. Valid values are 0-100. If you'll notice, the image has to be in memory (as opposed to in a file) in order to...