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Hi everyone i'm trying to use MQTT for the first time. I follwed this example. It connects succesfully but unfortuntely when I receive a message this error shows up Error occurred on line: 96 (B4XPage_Details) Error decompressing data Stack Trace: ( CoreFoundation...

Hello, I have 3 table columns named "ColA", ColB" and "ColC" where ColC is type BLOB and I like to store and read images in/from it. For a solution I like to export these table columns to a CVS File or import the CVS file values to the table columns. I know how to convert the image to a byte...

Hi Erel had previously installed a CCTV source: https://www.b4x.com/android/forum/threads/server-cctv-server.37382/#content I edited these sources for further practice so that images from one client are sent in bytes to the server and from the server are sent to another client, and in another...

Does anybody know why i get different result when i put a breakpoint before "IF" and step into next line? Sub Activity_Create(FirstTime As Boolean) Dim i As Int = 123 Dim b As Byte = 2 F1(Array As Object(i, b)) End Sub Private Sub F1(arg() As Object) If arg(1) = 2 Then...