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I'm a student, vice-president and lecture of the open sourced student organization at the Central University of Technology,free state
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57 Posted Topics
 | Why do you have to go through the whole interop thing when you can use .NET build-in features to play back audio files? you can use the windows media player object available to you for free, use the DirectX audio or even use the vlc one (although its not easy … |
| | I have a proxy generated class file as [System.SerializableAttribute()] { .. .. [System.Xml.Serialization.SoapTypeAttribute(Namespace="urn:issuing_v_01_02_xsd")] public class XXXX { private Nullable<decimal> income; private Nullable<decimal> expense; private String memeberName; ... //Properties section with decoration: [SoapElementAttribute(IsNullable=true)] } in my consumer class I obviously create an instance for this object, set all values via set … |
| | Re: power operation Please explain what exactly are using v,n and d for. are they IV's and Keys ? Did you know you can use .NET building Encryption and Decryption algorithms ? [.NET RSA security](http://msdn.microsoft.com/en-us/library/system.security.cryptography.rsa.aspx) Hope you find it useful.  |
| | I having been working on java web-start applet for serial communication which I now need to integrate and make it invoke able from an ASP .NET webpage / application. I have tried numerous ways of doing this which all have not yielded anything progressive. including but not limited to the … |
 | Are you still accessing these view using the same definer that created them ? MySQL uses DEFINER for stored proc's and views and any change to this [may] result in something simalar to that. I personally have not encoutered such but it's worth having a look at MySQL stored procedures … |
| | Re: What is BCNF > Database normalization is the process of organizing the fields and tables of a relational database to minimize redundancy and dependency. Normalization usually involves dividing large tables into smaller (and less redundant) tables and defining relationships between them. The objective is to isolate data so that additions, deletions, and modifications … |
 | Hi Isaac, you can grow or shrink any .NET control by setting it's hight or width to whichever size using the [Control].Hight and [Control].Width.... Normally, I use the parent control of my control as a base for my resizing. i.e If you had an outter control which uses docking and … |
| | Eclipse flavour shouldn't make any difference. Generally, you would just create the config file by right-clicking your file tree then File >> New >> and giving the newly file a .properties extension. From there you can read and write to it as it was a Bean. Ask if anything is … |
| | yes it is possible. But you don't need a gsm simcard for that. you have to options which are almost the same. 1. Use your WLAN 2. Use WAN basically any two devices can communicate using Tcp as long the IP address is known to both parties. what exactly are … |
| | The problem could be with your host file. Try 127.0.0.1 instead on localhost and see if the same problem still appears. |
| | did you8 set the location property of your label to the new Points using your Xaxis and Yaxis ? |
| | Have you went through all the classes in those libraries ? There should be a class for controlling the powering up and down of the interface. |
| | Hi Any suggestion on how to save an image file into mysql using the .NET api? I tried code similar to this : MemoryStream stream = new MemoryStream(); byte[] imgData; //previously available image in the program Image.Save(stream,ImageFormat.Jpeg);// saves the image into the stream imgData = stream.ToArray(); //now I have the … |
 | Well, if you look at the sales reports between 2010 and 2011 in South Africa you'll notice that Android OS is the leading phone O.S. So if you want to invest in anything rather go for Android because It might be here for a while and it covers Smartphones, Tablet … |
| | Your link doesn't work. but most probably it will still use the same method you are using now. the only thing you need to be aware is to resolve the server address before you pass the connection string to the connection string build / before you open the connection. |
 | Re: C# Console Chat. for ease and full control over your chat I suggest you develop a protocol for your server/client first. Avoid using the System.Web members. Rather use the System.Net.Socket members and more specifically use the Socket class or TcpListener and TcpClient for server and client respectively. That way if your protocol is … |
| | progress or process? and possibly after your enroll button or save button has been clicked |
 | I can't go through all your code but here are a few things you may wanna know. >> if two controls are placed on the form in the same location which I assume it is in your case, the container control will be preferred. your best chance in this instance … |
| | Its a bit confusing t hear you talking about Binary and memory addresses in the same context in a .NET / C# forum. But say you really had to, as the previous poster has stated you could use the FileStream class to do some basic workarounds with Binary data. But … |
| | This is rather embarrassing and disappointing. You have already asked two questions on one project. most of the times it's better to learn from your own mistakes, besides from what I can tell I assume you're a beginner program and probably using VS,SharpDev or some IDE which most probably has … |
| | You have to be more specific as to what are you hoping to archive. 1. as Nick has said, you have an option of removing it from the list (if you don't want it to be selected twice), but what difference will it make if it's selected twice as the … |
| | Hi I'm not an asp .net developer although I have done web development with php and mysql, I'm more of a software developer for desktop and mobile devices. So this is my first big project with ASP .NET. I have a question with the ASPNETDB database, understand that the database … |
| | Hi, why don't you use the building password validation control provided in .NET, which I highly recommend and is easily customizable and quick 2. Anyway if you want to make your own custom one, here is basically what they where trying to do on the class you got, but mine … |
| | It depends on your career goals and level of experience with MS products mate. But the most commonly good ones to start at are the 072-....' ones and they come cheap too, and if you are a student registered in an approved institution you get discounts on most of them. …  |
| | what control are you using? listbox? listview? or what? all of .NET controls that have collection or capable of holding one have a property similar to selecteValues.Count / selectedItems.Cout. Let intelisense be your friend my friend. hope this helps. happy coding :)  |
| | Sure mate you must be looking for some sort of an algorithm. I do not know what exactly are you looking for but you can always archieve alot with loops. If you exaplain your problem with human english not computer science language. I'll be glad to help you out |
| | Hi can anyone help me out here, I did a class working fine but i can't make objects out of it. do i need to include the file that has the class in my new file? with an include statement? say i have this. #file 1 <?php class foo { …  |
| | You could do the second insert statement inside the while loop. where you said [code]while(rd.Read())[/code] because you know know from that statement the user login was successful. then you could say something like SELECT userid FROM employee WHERE username = [his/her username] then you will have the employeeid. then you … |
| | Hi I made a browser game with php and a little bit of java script, the ask a random question, then i dynamically load answers as image links, which the participant should select the correct one, if it is then he will go to the link the image href points … |
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| | If you want to change the image itself you can set the picturebox Imgae property to a different image, using a location / using your image list as your array of images. |
| | what exactly are you trying to do? if you want to compute sum by sum. remember that when you get a parameter as a reference using the & ampersand operator. then you don't have to computer with for loops and stuff. [CODE]int sum(int *n) { return 1 + *(n); } … |
| | We'll i'm not quite sure about your ID, do you want ID's to be the same also? because It's unique. isnt? |
| | That is because you used a constant number as your loop controller. iin the line where you said [code]while(1)[/code] so the loop will continue going on because 1 will always equal to itself. If that's how you want it (case inside loop), then use code like: [code] //show your menu … |
| | Re: Plz help me out Read your first post. I've showed you your mistake the and showed you how to do it correctly. |
| | Yoh bra, you need to slow down. I wanna help you but your question is not making much sense. explain to us what exactly what are you trying to do. recommended put a code spinet here. Before you connect to a Database you need an existing Database file / server. … |
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| | try this : [CODE] #include <iostream> using namespace std; class Cal { private: int r; double d; public: //you dont need two separate methods to get values void SetValues(int,double); double Area(double); //i'm not sure about this one, can your area be an integer? int Area(int); }; int Cal::Area(int i) { …  |
| | Re: C++ problem or you can use a version similar to this one : [CODE] class Rectange { private: int q,w; char o; void ToString(); public: Rectange(int,int); }; void Rectange::ToString() { cout << "Q >> " << q << " W >> " << w << endl; } Rectange::Rectange(int qq=0,int ww=0) { q … |
| | You need to cast it into some type, you can use statements like : [code]object script = ((object)document.Script); [/code] although i do not understand why it gives you problems since everything in .NET is an object from System.object. One thing to notice is that C# 4.0 uses dynamic type which … |
| | Re: MySQL Database Ok The next time you open mysql, after logging in to your server, execute use "DBNAME" remember in mysql, every time you open a connection you have to specify which database to use, and if that was not your problem, have you tried using the root account? because automatically you … |
| | [CODE] class Sphere { /// <summary> /// A - Write a class, Sphere, which has one private field of the type integer which represent the radius of the sphere. /// </summary> private int radius; /// <summary> /// B - Write a default, empty, constructor and a constructor that takes one …  |
| | use LINQ if you are coding under with C# 3 and or .NET. Its a very powerful language feature, with support for quering objects and memory. so you can just do simple queries from you DB o your app with SELECT * FROM ..., then fill them in their respective … |
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| | Re: Bubble Sort Help Refer to a post i did for my organization at [URL="http://www.cutdev.co.cc/cut/viewtopic.php?f=14&t=10"]http://www.cutdev.co.cc/cut/viewtopic.php?f=14&t=10[/URL] Might come very handy plus its easy to understand |
| | Hi I'm not sure of what you are looking for but if you need to check if your TextBox control has values as in test if its null or not. you can just use the string method IsNullOrEmpty which returns a boolean answer. you can use it like : [CODE]if(string.IsNullOrEmpty(textbox1.Text)) … |
| | Hi I think you can use List<> collection then avoid using a foreach since its read only. you can use a for loop to loop through it all. plus the nice thing about using those collections from the Generics namespace is that you can perform linq queries on them making …  |
| | Hi I don't understand what you mean selected in the combobox? is the item already selected in the control or you want to select it automatically if they enter something in the textbox? I'll assume an item is selected in the combobox to answer your question. Well, inside your combobx_selectedItemChanged(...,...) … |
| | what object to use where? you can test with code like : [CODE]bool yes = false; yes = radioY.selected==true && radioN.selected == false ?true:false; [/CODE] or be more specific by something like [code] if(radioY.selected == true && radioN.selected == false) { //your yes radio is selected yes = true; } … |
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