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This is not really a programming question. If you want to learn more about these subjects then you should use Google or similar search facilities.
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hi all,
how can v resolve
"BigInteger not invertible." Exception??
can any one help!!
Thanks!
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IICTECH wrote: how can v resolve
"BigInteger not invertible." Exception?? You could start by making use of Google search facilities[^].
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why you don't use the API ?
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What is Hibernate in JAVA?
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hibernate is the java framework
usable to database class
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I am studying java.I want to write java project. How to write.Please answer with answer complete sample project.
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A simple Google search would have found you The Java Tutorials[^].
One of these days I'm going to think of a really clever signature.
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If you want to write a java project you need to code, what is your project ? you must post more details...
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sakurahito wrote: I am studying java.I want to write java project. How to write.
Start from here: Creating Your First Java Program[^]
Try out. Post specific issues if you face any.
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use any IDE like netbeans or eclispe etc to do your java project
Jishnu
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what are the main concept on these language and how it can use??
what are the features on these language?
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Hi All,
I got a piece of code from google to convert byte array to hex string...i din't understand few lines of code can any on ehelp me to understand ??
public static String CellKeysGeneration() {
byte[] btba = new byte[5];
Random r = new Random();
r.nextBytes(btba);
for (int i = 0; i < btba.length; i++) {
btba[i] = btba[i];
}
String str = tohexString(btba);
return str;
}
public static String tohexString(byte[] bytes) {
StringBuffer sb = new StringBuffer(bytes.length * 2);
for (int i = 0; i < bytes.length; i++) {
sb.append(tohex(bytes[i] >> 4));
sb.append(tohex(bytes[i]));
}
return sb.toString();
}
public static char tohex(int nibble) {
final char[] hexdigit = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
'9', 'A', 'B', 'C', 'D', 'E' , 'F' };
return hexdigit[nibble & 0xF];
}
In above three functions,
1) I dint understand why in toHex function we are always performing "and" operartion with 0xF.
2) I dint understand why in tohexString function we are performing ">>" operation with 4.
Can any one help me to understand toHexString and toHex functions ??
Thanks in advance !
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Hey im new to this forum stuff... well i could not locate the question i posted in the discussions.So i just re-posted it.. hope mistakes are accepted for the first time by the way thanks for the reply.
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IICTECH wrote: i could not locate the question i posted Hover your mouse over your name at the top right of the page and you will see links to your questions, answers, comments and forum messages. If you are new to the site then spend some time looking around to get familiar with it.
One of these days I'm going to think of a really clever signature.
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how to store .jpg type image in MySQL database?
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Use one of the BLOB types.
One of these days I'm going to think of a really clever signature.
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in vb window
Private Sub btnBrowse_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBrowse.Click
Dim OpenFileDialog1 As New OpenFileDialog
With OpenFileDialog1
.CheckFileExists = True
.ShowReadOnly = False
.Filter = "All Files|*.*|Bitmap Files (*)|*.bmp;*.gif;*.jpg"
.FilterIndex = 2
If .ShowDialog = Windows.Forms.DialogResult.OK Then
PhotoPictureBox.Image = Image.FromFile(.FileName)
TextBox1.Text = OpenFileDialog1.FileName.ToString()
End If
End With
End Sub
in C# window
private void btnBrowse_Click(object sender, EventArgs e)
{
if (customeropen.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
txtCustomerPhoto.Text = customeropen.FileName.ToString();
pccustomerphotosample.Image = Image.FromFile(customeropen.FileName);
}
}
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I have one idea to write app for android. App used to turn on of wifi of router but i dont know technical use for login router on java android. Please help me! Thanks you very much!!!
This is image server reques username and password
modified 20-Jan-13 8:46am.
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