AutoHotkey allows user to define a custom combination of two keys (except joystick buttons) by using ampersand (&) between them. As for example:

a & b::MsgBox Hello!!!

Hold down <a> key then press <b> key to trigger the message box.

But by using this way, key <a> will become a prefix key. In other words, it will causes key <a> to lose its original function when it is pressed, i.e. “a” will not appear in text box. To avoid this behaviour, one of the way is to apply the tilde prefix (~) to the key.

For example:

~a & b::MsgBox Hello!!!

Using tilde in front of keys will maintain the native function of the keys used. However, Special hotkeys that are substitutes for alt-tab always ignore the tilde prefix.

Source:

• https://www.autohotkey.com/docs/Hotkeys.htm#combo
• https://autohotkey.com/board/topic/5408-multiple-letter-hotkeys/

When using ReadAllText method to read a log file with a size of 21.83MB, it takes between  7 seconds (for powerful CPU) to 12 seconds (for weak CPU).

Dim file As New FileInfo("path\to\file")

Using reader As StreamReader = file.OpenText()
    While Not reader.EndOfStream
        Dim nextLine As String = reader.ReadLine()
        ProcessLine(nextLine)
    End While
End Using

Const MAX_BYTES As Integer = 1048576 * 5 '=10 MB 
Dim bytesRead(MAX_BYTES) As Char
Dim numBytesRead As Integer
Dim currentPos As Integer = 0
Dim strFileName As String
Dim strm As System.IO.Stream
Dim TextLine As String
Dim FileDetail As IO.FileInfo

OpenFileDialogMain.ShowDialog()
strm = OpenFileDialogMain.OpenFile()
strFileName = OpenFileDialogMain.FileName.ToString()
  
Using reader As System.IO.TextReader = _
System.IO.File.OpenText(strFileName)
  numBytesRead = _
reader.ReadBlock(bytesRead, currentPos, MAX_BYTES)
  TextLine = reader.ReadLine()
End Using

txtEditor.Text = New String(bytesRead)
txtEditor.Text += TextLine
txtEditor.Text = txtEditor.Text & vbCrLf & Now

Test Methodology

Conclusion: stick with ReadAllText method to read a log file.

Problem: If the the post with video attached is edited, even though I did not remove the video, the video will be automatically removed.

Solution: none.

Problem:

1. The default administrator account has problem with uploading video
   
   and accessing “Video library”
   
2. The above 2 errors occurred when used in:-
   1. Opera browser Version:68.0.3618.125 in Asus laptop
   2. Chrome browser Version 83.0.4103.61 (Official Build) (64-bit) in Asus laptop
   3. Chrome browser Version 81.0.4044.138 (Official Build) (32-bit) in  Dell-E6410 laptop
   4. IE 11 in Asus laptop

Solution: add another FB account as “Administrator” and able to solve the above roblem — able to access “Video library” and successfully upload video.

(T, please add here …)

1. Open Windows PowerShell and copy below command into it

   # Create Keys for TLS 1.2 if not exist
   
   new-item -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols" -Name "TLS 1.2"
   
   new-item -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2" -Name "Server"
   
   new-item -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2" -Name "Client"
   
   new-itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client" -Name "Enabled" -Value 1
   
   new-itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client" -Name "DisabledByDefault" -Value 0
   
   new-itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server" -Name "Enabled" -Value 1
   
   new-itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server" -Name "DisabledByDefault" -Value 0

2. Reboot server
3. To check whether TLS 1.2 is configured, open Registry Editor and go to this path:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols

   

   in this picture, it shows that Windows has “SSL 2.0” and “TLS 1.2” security protocol installed.

1. db_owner role should only be given to the administrator who responsible for the database because this role can DROP the database
2. db_datareader and db_datawriter is the minimum access that should be given to normal user to do the basic SELECT, UPDATE, INSERT and DELETE operation to the database

Source:

1. https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/database-level-roles?view=sql-server-ver15
2. https://www.mssqltips.com/sqlservertip/1900/understanding-sql-server-fixed-database-roles/