lar3ry's Profile User Rating: *****

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Posts I've Made

  1. In Topic: How can I check elapsed time?

    Posted 3 Dec 2013

    Another, easy way is to use the StopWatch class.

    Globally,
    Public sw As New Stopwatch

    then later,

    sw.Start
    sw.Restart
    sw.Elapsed
    sw.Elapsed.ToString
  2. In Topic: Fasting Way to Execute Code...

    Posted 11 Nov 2013

    View Postkyle_denney, on 11 November 2013 - 01:49 PM, said:

    Any ideas on increasing the speed of the code I displayed? Thanks!

    As I said, you don't need to know what's in the file to shred it. You can write to the bytes without reading them, farting around with shifting bits around, and so on. That will increase your speed a LOT.
  3. In Topic: Fasting Way to Execute Code...

    Posted 11 Nov 2013

    View Postkyle_denney, on 11 November 2013 - 10:10 AM, said:

    OK - but even still how might one make asynchronous calls to a file for write purposes or is this even possible? What about SSD's? Obviously there are shredders out there that work for this hardware right?

    I can't comment on the efficacy of your shredding algorithm, except to say that you really don't need to know what's in the file in order to shred it.

    And yes, there are shredders out there. I can think of a few ways one might properly shred a file, though I'd have to test to see if they could be done on all operating systems.

    The first thought would be to bypass the OS to write directly onto the file's sectors. This may or may not be feasible on all OSes, like Windows 7 or 8. The second idea would be to open the file for binary read/write access, and to take care not to change the size of the file by writing past the end of the current contents.

    Not sure if those are do-able, and I have no need of a shredder, so I won't be writing one any time soon.
  4. In Topic: checking a textbox for an email address in visual basic

    Posted 10 Nov 2013

    Option Strict On
    
    Public Class Form1
    
        Private splits() As String
    
        Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
            splits = TextBox1.Text.Trim().Split(CChar("@"))
            If splits.Count = 2 Then
                TextBox2.Text = splits(0)
                TextBox3.Text = splits(1)
            Else
                MessageBox.Show("Please enter a valid email address.")
            End If
        End Sub
    End Class
    
    
  5. In Topic: Restaurant App won't return total cost.

    Posted 23 Oct 2013

    Quote

    And if option strict is on you do need to convert or tryparse the string to a number type


    And if it isn't on, it SHOULD be!

    See the link in my signature to find out why.

My Information

Member Title:
Coding Geezer
Age:
Age Unknown
Birthday:
Birthday Unknown
Gender:
Years Programming:
45
Programming Languages:
Various Assemblers, Fortran, Basic, Icon, Logo, PostScript, Rexx, COMAL, Pilot, C, C++, VB, VB.NET

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Comments

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  1. Photo

    C.Andrews Icon

    20 Mar 2013 - 11:31
    LOL. You know why. /hat
  2. Photo

    raghav.naganathan Icon

    19 Nov 2012 - 02:50
    Dude...you sure are a great asset in the VB forums :)
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