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  3. C# 3’s lambda etc..... Do I really need this

C# 3’s lambda etc..... Do I really need this

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  • K Offline
    K Offline
    keencomputer
    wrote on last edited by
    #1

    Do I really need to learn this C# 3’s lambda whatever...........

    Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

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    • K keencomputer

      Do I really need to learn this C# 3’s lambda whatever...........

      Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

      C Offline
      C Offline
      Chris Meech
      wrote on last edited by
      #2

      Absolutely. Become a good shepherd and learn all about lambs, ... Oh my bad. You said lambda. Sorry. :)

      Chris Meech I am Canadian. [heard in a local bar] In theory there is no difference between theory and practice. In practice there is. [Yogi Berra]

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      • K keencomputer

        Do I really need to learn this C# 3’s lambda whatever...........

        Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

        K Offline
        K Offline
        Kevin McFarlane
        wrote on last edited by
        #3

        Yes.

        Kevin

        1 Reply Last reply
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        • K keencomputer

          Do I really need to learn this C# 3’s lambda whatever...........

          Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

          J Offline
          J Offline
          Judah Gabriel Himango
          wrote on last edited by
          #4

          Yes.

          Religiously blogging on the intarwebs since the early 21st century: Kineti L'Tziyon Judah Himango

          1 Reply Last reply
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          • C Chris Meech

            Absolutely. Become a good shepherd and learn all about lambs, ... Oh my bad. You said lambda. Sorry. :)

            Chris Meech I am Canadian. [heard in a local bar] In theory there is no difference between theory and practice. In practice there is. [Yogi Berra]

            P Offline
            P Offline
            Pete OHanlon
            wrote on last edited by
            #5

            He should start off on learning to dance the salsa before moving onto the lambada.

            "WPF has many lovers. It's a veritable porn star!" - Josh Smith

            As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

            My blog | My articles | MoXAML PowerToys | Onyx

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            • K keencomputer

              Do I really need to learn this C# 3’s lambda whatever...........

              Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

              S Offline
              S Offline
              Shelby Robertson
              wrote on last edited by
              #6

              Yes. And I must add that after you get used to using them there are some excellent everyday uses.

              Ennis Ray Lynch, Jr. wrote:

              Unpaid overtime is slavery.

              Trollslayer wrote:

              Meetings - where minutes are taken and hours are lost.

              T 1 Reply Last reply
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              • K keencomputer

                Do I really need to learn this C# 3’s lambda whatever...........

                Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                B Offline
                B Offline
                Brady Kelly
                wrote on last edited by
                #7

                seeing it's popular, "Yes!" :laugh:

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                • K keencomputer

                  Do I really need to learn this C# 3’s lambda whatever...........

                  Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                  P Offline
                  P Offline
                  Pete OHanlon
                  wrote on last edited by
                  #8

                  Errm - they aren't just for C#, and no you don't. You could just continue coding with gotos and monolithic procedures if you really wanted to. After all, who needs these fancy, schmancy features? Productivity is for wimps after all.

                  "WPF has many lovers. It's a veritable porn star!" - Josh Smith

                  As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

                  My blog | My articles | MoXAML PowerToys | Onyx

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                  • K keencomputer

                    Do I really need to learn this C# 3’s lambda whatever...........

                    Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                    D Offline
                    D Offline
                    Dario Solera
                    wrote on last edited by
                    #9

                    Once you get them, they're totally, absolutely awesome. Besides that, it only really takes 10 minutes.

                    If you truly believe you need to pick a mobile phone that "says something" about your personality, don't bother. You don't have a personality. A mental illness, maybe - but not a personality. - Charlie Brooker My Photos/CP Flickr Group - ScrewTurn Wiki v3

                    B 1 Reply Last reply
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                    • K keencomputer

                      Do I really need to learn this C# 3’s lambda whatever...........

                      Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                      J Offline
                      J Offline
                      Jorgen Sigvardsson
                      wrote on last edited by
                      #10

                      Yes, unless you have something against expressive and easy to follow code...

                      B 1 Reply Last reply
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                      • K keencomputer

                        Do I really need to learn this C# 3’s lambda whatever...........

                        Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #11

                        They're just like nameless methods (from C# 2), but instead of the delegate keyword you have => What's there to learn?

                        J M 2 Replies Last reply
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                        • L Lost User

                          They're just like nameless methods (from C# 2), but instead of the delegate keyword you have => What's there to learn?

                          J Offline
                          J Offline
                          Judah Gabriel Himango
                          wrote on last edited by
                          #12

                          That's not all there is to them. Code-as-data. It's what enables Linq-to-SQL and the million + 1 LINQ providers out there.

                          Religiously blogging on the intarwebs since the early 21st century: Kineti L'Tziyon Judah Himango

                          1 Reply Last reply
                          0
                          • L Lost User

                            They're just like nameless methods (from C# 2), but instead of the delegate keyword you have => What's there to learn?

                            M Offline
                            M Offline
                            MidwestLimey
                            wrote on last edited by
                            #13

                            Unless, of course, he never used anonymous methods either ....

                            10110011001111101010101000001000001101001010001010100000100000101000001000111100010110001011001011

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                            • K keencomputer

                              Do I really need to learn this C# 3’s lambda whatever...........

                              Tapas Shome System Software Engineer Keen Computer Solutions 1408 Erin Street Winnipeg, Manitoba Canada R3E 2S8 http://www.keencomputer.com www.ias-research.com/blog

                              J Offline
                              J Offline
                              J Dunlap
                              wrote on last edited by
                              #14

                              No, you don't *have* to, but they're extremely useful and I'd highly recommend it. I wrote an article to help out with the learning process: Lambda Expressions and Expression Trees: An Introduction[^] </shameless-plug> Also check out extension methods because a lot of the places where lambdas are used involve extension methods as well. (Whoa, that's cool! :omg: I pasted the link to my article and it automatically put in the link with the article's title! Good work Chris and co! :cool: )

                              S D 2 Replies Last reply
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                              • P Pete OHanlon

                                He should start off on learning to dance the salsa before moving onto the lambada.

                                "WPF has many lovers. It's a veritable porn star!" - Josh Smith

                                As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

                                My blog | My articles | MoXAML PowerToys | Onyx

                                C Offline
                                C Offline
                                Chris Meech
                                wrote on last edited by
                                #15

                                :-D

                                Chris Meech I am Canadian. [heard in a local bar] In theory there is no difference between theory and practice. In practice there is. [Yogi Berra]

                                1 Reply Last reply
                                0
                                • J J Dunlap

                                  No, you don't *have* to, but they're extremely useful and I'd highly recommend it. I wrote an article to help out with the learning process: Lambda Expressions and Expression Trees: An Introduction[^] </shameless-plug> Also check out extension methods because a lot of the places where lambdas are used involve extension methods as well. (Whoa, that's cool! :omg: I pasted the link to my article and it automatically put in the link with the article's title! Good work Chris and co! :cool: )

                                  S Offline
                                  S Offline
                                  Shelby Robertson
                                  wrote on last edited by
                                  #16

                                  J. Dunlap wrote:

                                  Also check out extension methods because a lot of the places where lambdas are used involve extension methods as well.

                                  Good call. My most frequent use of lambdas are with extension methods for collections to do things like Where, Select, Sorting, etc.

                                  Ennis Ray Lynch, Jr. wrote:

                                  Unpaid overtime is slavery.

                                  Trollslayer wrote:

                                  Meetings - where minutes are taken and hours are lost.

                                  B 1 Reply Last reply
                                  0
                                  • P Pete OHanlon

                                    Errm - they aren't just for C#, and no you don't. You could just continue coding with gotos and monolithic procedures if you really wanted to. After all, who needs these fancy, schmancy features? Productivity is for wimps after all.

                                    "WPF has many lovers. It's a veritable porn star!" - Josh Smith

                                    As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

                                    My blog | My articles | MoXAML PowerToys | Onyx

                                    B Offline
                                    B Offline
                                    Brady Kelly
                                    wrote on last edited by
                                    #17

                                    And unprofessional coders.  Never forget the large proportion of progressive and educated development professionals that churn out unprofessional code when they fall prey to these Satanic and Lazy constructs that have only recently been accommodated in the most Utopian language and runtime that is C# 3.0 on .NET Framework 3.5.  OK, that felt a bit like little boy scouts probably felt when they held Nazi banners up high for visiting diplomats and politicians.

                                    1 Reply Last reply
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                                    • J Jorgen Sigvardsson

                                      Yes, unless you have something against expressive and easy to follow code...

                                      B Offline
                                      B Offline
                                      Brady Kelly
                                      wrote on last edited by
                                      #18

                                      Oh, heathen!  What is wrong with redundantly declared (non-)anonymous methods, used in shelf-operations like "Distinct".  Oh the code. it haunts me so not having to rewrite an debug it, but I'm not a professional coder, so I must either get used to debugging boilerplate, or shape up and stop rewriting code with spelling and typing mistakes.  I mean, I had the logic correct all the time, but these little agents of the Dark One keep throwing magnetic spanners in my freaking production line for "Real Life Output".

                                      1 Reply Last reply
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                                      • S Shelby Robertson

                                        J. Dunlap wrote:

                                        Also check out extension methods because a lot of the places where lambdas are used involve extension methods as well.

                                        Good call. My most frequent use of lambdas are with extension methods for collections to do things like Where, Select, Sorting, etc.

                                        Ennis Ray Lynch, Jr. wrote:

                                        Unpaid overtime is slavery.

                                        Trollslayer wrote:

                                        Meetings - where minutes are taken and hours are lost.

                                        B Offline
                                        B Offline
                                        Brady Kelly
                                        wrote on last edited by
                                        #19

                                        This whole extension method, new-fangled thang is more dangerous than gay marriage!  Vote to stop it before it gets to your youth. :suss: Thatv was a lot easier to squeeze in that a programming post. :laugh:

                                        1 Reply Last reply
                                        0
                                        • P Pete OHanlon

                                          He should start off on learning to dance the salsa before moving onto the lambada.

                                          "WPF has many lovers. It's a veritable porn star!" - Josh Smith

                                          As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

                                          My blog | My articles | MoXAML PowerToys | Onyx

                                          C Offline
                                          C Offline
                                          Chris Losinger
                                          wrote on last edited by
                                          #20

                                          tonight we will use the lambda, the forbidden construct !

                                          image processing toolkits | batch image processing

                                          1 Reply Last reply
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