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23 Posted Topics
 | I am using the openssl seal and open functions to store some encrypted data for later retrieval. After the data is sealed, I store the envelope and envelope key on the server along with the public and encrypted private key. Later, a user will enter the password which decrypts the … |
| | So this is my first attempt at a GUI in swing, and so far things seem to have been going somewhat smoothly. However I am un-able to update a JList named objectsL. I imagine this is because I have already added it to a panel? So, now Im am very …  |
| | I am attempting to the compile the source at this [page](http://sourceforge.net/projects/sserver/files/). After resolving the dependencies, I am able to configure successfully, however make does not execute without errors. I was under the impression that a successful configure was meant to ensure a successful make, but since this does not seem …  |
| | What I am trying to do is the following: [CODE] ReceiptBag zero("zero"); ReceiptBag one("one"); ReceiptBag bags[2]; bags = &zero; (bags+1) = &one;[/CODE] Of course that is not valid code. My goal is to be able to reference the same zero or one object by using its variable name or by … |
 | Well what you have looks fine, I just don't see any code which would take the information you got from the database and make it visible to the user... at least not in your btnGetAScheduledEvent_Click method. Once you call the GetEventByID method of currentEvent, currentEvent should have data in its … |
| | You can read a file with code that looks like this: [CODE] String infile1 = @"c:\ipAddresses.txt"; StringBuilder currentWords = new StringBuilder(); StreamReader sr = new StreamReader(infile1); try //read the file into lines of data { do { currentWords.AppendLine(sr.ReadLine()); } while (sr.Peek() != -1); } catch { MessageBox.Show("File [" + infile1 …  |
| | The user does not need to enter data. But you will have to create 4 Book objects through code. These 4 book objects will test your Book class. Otherwise, you are not quite on the right track. It seems you don't quite understand exceptions. You can go ahead and delete … |
| | If all you are really trying to do is replicate the directory structure of the release folder to some specified directory, that can definitely be done. Never done it in c#, but it looks like the File class has functions which will solve most of your problems: [URL="http://msdn.microsoft.com/en-us/library/system.io.file.aspx"]http://msdn.microsoft.com/en-us/library/system.io.file.aspx[/URL] |
| | Your form class should look more like this: [CODE]using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { ScheduledEvent currentEvent; public Form1() { InitializeComponent(); //currentEvent is going to be our scheduledEvent object which will … |
| | [CODE]public partial class Form1 : Form { public Form1() { InitializeComponent(); Child c = new Child(); c.MyEventHappened += new Child.MyEvent(c_MyEventHappened); } void c_MyEventHappened(int i) { textBox1.Text = "My event happened"; } } class Child { public delegate void MyEvent(int i); public event MyEvent MyEventHappened; public Child() { } public void … |
| | What I would like to do is get an integer index of a TextPointer, as if the flowDocument was just a normal string. So basically I want to replicate the indexOf method of String, but for a flowDocument instead. I currently have this partially working solution: [CODE]private int GetIntFromPointer(TextPointer mark, … |
| | All I am really trying to do is create a textBox where non-contiguous segments of text can be highlighted at any given time. From the experimenting I have done, it would appear that the System.Windows.Controls.RichTextBox is a good fit for this when customized slightly. Extending RichTextBox and getting multiple pieces … |
| | So I am writing a voice activated recording program, and one of the things I would like it to do is plot the current and past volume level on a JPanel. Write now I am simply reading one byte from the audio buffer, converting it to an int, taking its … |
| | When is it more efficient to store the value of a calculation than perform that calculation 2 or more times? I have always been under the impression that performing a simple arithmetic calculation two or three times is faster than instantiating a variable to hold the value of the calculation. … |
| | So I have a couple pieces of hardware which I don't need anymore. -Onkyo TX-8511(B) receiver -Sony CDP-CX355 -Creative L3500 speakers -HP deskjet 930c -HP Officejet 5510 -Nostromo n50 speedpad (PC) -Logitech MOMO force steering wheel & pedals (PC) -Lenmar Camera tripod -Sony 1Gb memory stick duo w/ memory stick … |
| | The only experience I have in programming is with Java, and I am somewhat experienced in that. However, I have only just touched the surface of javascript by implementing google maps into a page of mine. My question is in regards to what I should keep in mind when creating … |
| | Hmmm, my guess would be that you either pass s as another parameter or instantiate s outside of the method. If you choose the latter you will have to reset s once length = 0. That's my guess anyway, hope it helps.  |
| | A friend of mine and I are taking an external computer science test. While studying the review it has become apparent that some of the syntax presented is quite unfamiliar. Here are a few examples: [INLINECODE]Stack<Integer> s = new Stack<Integer>();[/INLINECODE] For this line of code what exactly is the purpose … |
| | I was going through the questions in my study guide for computer science, and I noticed a few blocks of code that contained syntax that I had never used before. My first question is on the ^ operator. What exactly does this do? My second questions is on the use … |
| | As for learning swing, try this page: [URL]http://java.sun.com/docs/books/tutorial/uiswing/TOC.html[/URL] |
| | I've never actually ran a CLI based program outside of bluej. And after exporting one of my programs to a jar, I noticed I was not able to get any results when double clicking the jar. So, I'm guessing CLI based programs are run by a different method, or require … |
| | I think you may be best off using KeyboardReader to take input. And you definitely have to use Ancient Dragon's suggestion for the bubble sort. |
| | Re: need some help Yeah the File Class should have all the methods that you would need. [URL]http://java.sun.com/j2se/1.3/docs/api/java/io/File.html[/URL] |
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