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  3. Visual Basic needs more credit

Visual Basic needs more credit

Scheduled Pinned Locked Moved The Lounge
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  • C Colborne_Greg

    I think that Visual Basic should be shown off for its beauty and elegance. Here is a sample of what it can do - that no other language can do:

    Private Sub AlbumListPopulate()
    Try
    AlbumsList.ItemsSource = New List(Of Image)

        For Each AlbumName In Pictures.Albums
            Try
                AlbumsList.ItemsSource.Add \_
                    (
                        New Image With
                        {
                            .Height = 150,
                            .Width = 150,
                            .Source = RotateStream \_
                            (
                                Pictures.Album(AlbumName).Picture,
                                Pictures.Album(AlbumName).Angle
                            )
                        }
                    )
            Catch
            End Try
        Next
    Catch
    End Try
    

    End Sub

    E Offline
    E Offline
    ed welch
    wrote on last edited by
    #59

    Nothing against vb, but catching exceptions and then not handling them is epic fail for me, not "beauty and elegance".

    C 1 Reply Last reply
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    • L Lost User

      ..and also something that happens quite often in VB. And no, one cannot call it lazy - the author of said snippet included TWO handlers to swallow the exceptions. That's not lazy, that's extra work. It could be improved by simply REMOVING the check completely.

      Bastard Programmer from Hell :suss: If you can't read my code, try converting it here[^]

      C Offline
      C Offline
      Colborne_Greg
      wrote on last edited by
      #60

      Most of that code is autocompleted also the inside catch is to ensure the loop continues

      L 1 Reply Last reply
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      • E ed welch

        Nothing against vb, but catching exceptions and then not handling them is epic fail for me, not "beauty and elegance".

        C Offline
        C Offline
        Colborne_Greg
        wrote on last edited by
        #61

        Running through a database there are some times bad records. I don't want them crashing the program nor do I care at this point what the problem is

        1 Reply Last reply
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        • B BobJanova

          With, when used appropriately, aids clarity just by removing characters – if you have to read past "SomeLongObjectName." at the start of every line you won't actually see the important word. When used badly (so you don't know whether the tokens on the line are part of the with'd object or locals or something else) it makes things worse. I've used with in ActionScript, usually for graphics code which is doing nothing but a bunch of calls to lineTo, moveTo, setBitmapFill etc, and (imo anyway) not having "e.graphics." on every line makes that clearer.

          P Offline
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          PIEBALDconsult
          wrote on last edited by
          #62

          BobJanova wrote:

          doing nothing but a bunch of calls to lineTo, moveTo, setBitmapFill etc, and (imo anyway) not having "e.graphics." on every line makes that clearer

          Howsabout writing a function then? Now I'm wondering wether or not an anomymous function would do that...

          You'll never get very far if all you do is follow instructions.

          B 1 Reply Last reply
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          • P PIEBALDconsult

            If it's in VB, it isn't "done". :laugh:

            You'll never get very far if all you do is follow instructions.

            C Offline
            C Offline
            Colborne_Greg
            wrote on last edited by
            #63

            Whats not in visual basic?

            1 Reply Last reply
            0
            • M mikepwilson

              Wow. Dude. If you're going to say something like that, make sure you're exposed to more languages first.

              C Offline
              C Offline
              Colborne_Greg
              wrote on last edited by
              #64

              6 years of school, granted my studies are out of date by 5 years

              M 1 Reply Last reply
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              • J Jorgen Andersson

                Or handled it.

                Wrong is evil and must be defeated. - Jeff Ello[^]

                C Offline
                C Offline
                Colborne_Greg
                wrote on last edited by
                #65

                When dealing with a database, sometimes there are bad records. I meant for these try catches to be this way, as I don't care at this point why there would be problems in the data, all other errors are handled.

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                • S Simon_Whale

                  Sorry as Bob has pointed out, this sort of argument needs more research. many have also pointed out from the .net framework that C# doesn't need the With keyword. There are many other keywords if you looked and were pedantic enough C# doesn't use but slight change / merge of keywords you could achieve the same thing. relax and enjoy the lounge they don't really care what language you code in.

                  Every day, thousands of innocent plants are killed by vegetarians. Help end the violence EAT BACON

                  C Offline
                  C Offline
                  Colborne_Greg
                  wrote on last edited by
                  #66

                  VB New image with {.height = height} C# New image {height = height} second one fails

                  S B 2 Replies Last reply
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                  • K Kenneth Haugland

                    With his pants on fire :laugh: I read somewhere that there are things that VB can do and C# can't an vice versa though... Think it had something to do with Errorhandling ?

                    D Offline
                    D Offline
                    Duncan Edwards Jones
                    wrote on last edited by
                    #67

                    Inline XML? Does C# have that yet?

                    K 1 Reply Last reply
                    0
                    • C Colborne_Greg

                      6 years of school, granted my studies are out of date by 5 years

                      M Offline
                      M Offline
                      mikepwilson
                      wrote on last edited by
                      #68

                      "with" isn't particularly unique or interesting. There's a lot of functionality in a few lines. But you can stack up languages like cordwood that have lambdas, currying and/or templating features that would reduce the footprint of that code far more. It's awesome to be excited about a language. Lord knows I've spent most of the last 40 years that way. But do yourself a favor, take this post and put it in a calendar item marked 5 years from now and come back and look at it then. Visual Basic has come a long way since the VB3 days. But it's a very very long way away from winning awards for elegance.

                      C 1 Reply Last reply
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                      • C Colborne_Greg

                        VB New image with {.height = height} C# New image {height = height} second one fails

                        S Offline
                        S Offline
                        Simon_Whale
                        wrote on last edited by
                        #69

                        No as you would of written it like this VB.NET Version

                        New image With
                        {
                        .height = height
                        }

                        C# Version, in the C# version the With Keyword is ommited

                        new image { height = this.height }

                        Every day, thousands of innocent plants are killed by vegetarians. Help end the violence EAT BACON

                        C P 2 Replies Last reply
                        0
                        • L Lost User

                          Are you still opposed to using (the namespace one, not the disposing one or the alias one) as well?

                          P Offline
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                          PIEBALDconsult
                          wrote on last edited by
                          #70

                          Yes. And I really don't like that Extension Methods require the using directive. Very powerful are aliases though. Recently I used an alias to resolve a namespace conflict, rather than have globall:: scattered throughout some code:

                          namespace PIEBALD.Data.MySql
                          {
                          using MySqlClient=global::MySql.Data.MySqlClient ;

                          public sealed class DatabaseInfo : PIEBALD.Data.DatabaseInfo<MySqlClient.MySqlDbType>

                          You'll never get very far if all you do is follow instructions.

                          C 1 Reply Last reply
                          0
                          • D Duncan Edwards Jones

                            Inline XML? Does C# have that yet?

                            K Offline
                            K Offline
                            Kenneth Haugland
                            wrote on last edited by
                            #71

                            Don't know...

                            1 Reply Last reply
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                            • C Colborne_Greg

                              When dealing with a database, sometimes there are bad records. I meant for these try catches to be this way, as I don't care at this point why there would be problems in the data, all other errors are handled.

                              J Offline
                              J Offline
                              Jorgen Andersson
                              wrote on last edited by
                              #72

                              Then catch the DB errors and rethrow the rest.

                              Wrong is evil and must be defeated. - Jeff Ello[^]

                              C 1 Reply Last reply
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                              • C Colborne_Greg

                                That code would fail as the scopes would be confused

                                Richard DeemingR Offline
                                Richard DeemingR Offline
                                Richard Deeming
                                wrote on last edited by
                                #73

                                No it wouldn't.


                                "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

                                C 1 Reply Last reply
                                0
                                • C Colborne_Greg

                                  this message is spam

                                  Richard DeemingR Offline
                                  Richard DeemingR Offline
                                  Richard Deeming
                                  wrote on last edited by
                                  #74

                                  Colborne_Greg wrote:

                                  this message is spam

                                  OK, at least you're being honest about it. As requested, I've reported your message as spam. Happy now? ;P


                                  "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                  "These people looked deep within my soul and assigned me a number based on the order in which I joined" - Homer

                                  C 1 Reply Last reply
                                  0
                                  • Richard DeemingR Richard Deeming

                                    Colborne_Greg wrote:

                                    this message is spam

                                    OK, at least you're being honest about it. As requested, I've reported your message as spam. Happy now? ;P


                                    "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                    C Offline
                                    C Offline
                                    Colborne_Greg
                                    wrote on last edited by
                                    #75

                                    Advertising your other post is spam

                                    Richard DeemingR R 2 Replies Last reply
                                    0
                                    • J Jorgen Andersson

                                      Then catch the DB errors and rethrow the rest.

                                      Wrong is evil and must be defeated. - Jeff Ello[^]

                                      C Offline
                                      C Offline
                                      Colborne_Greg
                                      wrote on last edited by
                                      #76

                                      I'm not using SQL

                                      1 Reply Last reply
                                      0
                                      • S Simon_Whale

                                        No as you would of written it like this VB.NET Version

                                        New image With
                                        {
                                        .height = height
                                        }

                                        C# Version, in the C# version the With Keyword is ommited

                                        new image { height = this.height }

                                        Every day, thousands of innocent plants are killed by vegetarians. Help end the violence EAT BACON

                                        C Offline
                                        C Offline
                                        Colborne_Greg
                                        wrote on last edited by
                                        #77

                                        So now instead of with I need this. And I would have to write this over and over and over

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                                        • Richard DeemingR Richard Deeming

                                          No it wouldn't.


                                          "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

                                          C Offline
                                          C Offline
                                          Colborne_Greg
                                          wrote on last edited by
                                          #78

                                          VB New image with {.height = height} C# New image {height = height} second one fails

                                          Richard DeemingR 1 Reply Last reply
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