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  3. So how the heck do you explain this?

So how the heck do you explain this?

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performancequestiondiscussion
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  • OriginalGriffO OriginalGriff

    What's on second!

    Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

    B Offline
    B Offline
    Bergholt Stuttley Johnson
    wrote on last edited by
    #24

    I dont know - Third base

    You cant outrun the world, but there is no harm in getting a head start Real stupidity beats artificial intelligence every time.

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    • R rnbergren

      My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

      To err is human to really mess up you need a computer

      L Offline
      L Offline
      Lost User
      wrote on last edited by
      #25

      Just found where I discovered variables aged 8.. on page 58 of this[^].

      How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

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      • R rnbergren

        My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

        To err is human to really mess up you need a computer

        D Offline
        D Offline
        Duncan Edwards Jones
        wrote on last edited by
        #26

        rnbergren wrote:

        Ideas?

        Management track?

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        • M Marc Clifton

          rnbergren wrote:

          Ideas? I didn't get anywhere.

          When I was first exposed to programming, I had the hardest time understanding how a computer new "what a is." One day, I just got it. Here's what you do. Take two bowls, and label them "A" and "B" (actually label them, don't just say, let's call this bowl "A" and this bowl "B"!) Put 2 lemons (or apples, or whatever) in bowl A. Put 3 in bowl B. Ask your son how many lemons/apples/whatever are in both A and B. Then ask your son what A+B is. Label a third empty bowl C. Ask your son to physically express "C = A + B" by moving the fruit from bowls A and B into C. I'm sure he'll get it. Explaining all about memory address stuff is way to abstract without tangible, physical memnonics (or whatever the word is.) Marc

          Imperative to Functional Programming Succinctly Contributors Wanted for Higher Order Programming Project!

          F Offline
          F Offline
          Forogar
          wrote on last edited by
          #27

          Yes, and if you use a mix of apples, lemons, oranges, etc. you can refer to it all as "fruit" and then go on to talk about class inheritance and so on... Brilliant!

          - I would love to change the world, but they won’t give me the source code.

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          • R rnbergren

            My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

            To err is human to really mess up you need a computer

            W Offline
            W Offline
            W Balboos GHB
            wrote on last edited by
            #28

            Perhaps a DNA test ?

            "The difference between genius and stupidity is that genius has its limits." - Albert Einstein

            "As far as we know, our computer has never had an undetected error." - Weisert

            "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

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            • OriginalGriffO OriginalGriff

              It works well - but with young kids you can make it easier if you use bags of sweets. "I've got 2 sweets in this bag, and 3 sweets in this bag - how many sweets have I got?" It kinda focusses them on the content rather than the bag. Greedy little swine that they are... :laugh:

              Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

              J Offline
              J Offline
              Jorgen Andersson
              wrote on last edited by
              #29

              Sweets easier. How long was it since you handled kids? The answer is four sweets, uhm I mean three sweets...

              Wrong is evil and must be defeated. - Jeff Ello

              OriginalGriffO 1 Reply Last reply
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              • J Jorgen Andersson

                Sweets easier. How long was it since you handled kids? The answer is four sweets, uhm I mean three sweets...

                Wrong is evil and must be defeated. - Jeff Ello

                OriginalGriffO Offline
                OriginalGriffO Offline
                OriginalGriff
                wrote on last edited by
                #30

                Hey - I'm holding the bags, and I'm taller than they are! (And I can eat sweeties faster it I want to...)

                Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

                "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
                "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

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                • F Forogar

                  Yes, and if you use a mix of apples, lemons, oranges, etc. you can refer to it all as "fruit" and then go on to talk about class inheritance and so on... Brilliant!

                  - I would love to change the world, but they won’t give me the source code.

                  M Offline
                  M Offline
                  Marc Clifton
                  wrote on last edited by
                  #31

                  Forogar wrote:

                  es, and if you use a mix of apples, lemons, oranges, etc. you can refer to it all as "fruit" and then go on to talk about class inheritance and so on... Brilliant!

                  Hah! That is brilliant! I hadn't thought of that. :) Marc

                  Imperative to Functional Programming Succinctly Contributors Wanted for Higher Order Programming Project!

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                  • R rnbergren

                    My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

                    To err is human to really mess up you need a computer

                    G Offline
                    G Offline
                    GuyThiebaut
                    wrote on last edited by
                    #32

                    It might be time to try the Father Ted "small cow and far away cow" test. It always gets me and if he passes it he's probably fine.

                    “That which can be asserted without evidence, can be dismissed without evidence.”

                    ― Christopher Hitchens

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                    • R rnbergren

                      as a father of three I don't disagree with this statement. But having good discussions with your children is a better teaching environment than they can ever get in school. My kids learn far more at home from Mom and I than they do at school. You as the parent are the best and most important instructor your child shall ever have. Fun discussions with my children are the best part of raising them. Watching them grow and learn is amazing.

                      To err is human to really mess up you need a computer

                      D Offline
                      D Offline
                      David Crow
                      wrote on last edited by
                      #33

                      rnbergren wrote:

                      You as the parent are the best and most important instructor your child shall ever have.

                      So then why are you sending them to (public) school? :confused:

                      "One man's wage rise is another man's price increase." - Harold Wilson

                      "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

                      "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

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                      • R rnbergren

                        My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

                        To err is human to really mess up you need a computer

                        R Offline
                        R Offline
                        Roger Wright
                        wrote on last edited by
                        #34

                        Perhaps you should put off this sort of discussion until after his third birthday. ;)

                        Will Rogers never met me.

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                        • R rnbergren

                          My son and I often have interesting discussions. Last night was no exception. So I being the geek I am often try to steer the discussion to programming and logic problems. Yesterday we were discussing variable assignments. Something I have notice with other "normal" people. My son is fairly normal even after my influence. (Must be mom). So I as talking about let a=2 and let b=3 So if we add a to b we get what? responses from son ranged from "ab" or "c" I then went into the whole memory address thing where a is just a name for a pointer to a memory address area where the value of "a" is stored. Soon as I asked for the value of "a". His response. "The value of "a" is always "a" right?" *sigh* no "a" is just the name for the pointer to the memory the variable name we use for then storing that value we will use later. "Well why not just type in 2+3 if you are going to add 2 and 3 together?" Ideas? I didn't get anywhere.

                          To err is human to really mess up you need a computer

                          realJSOPR Offline
                          realJSOPR Offline
                          realJSOP
                          wrote on last edited by
                          #35

                          Looks like he could have a bright future in customer support.

                          ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                          -----
                          You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                          -----
                          When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

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                          • L Lost User

                            I'm at the same stage - I try to explain things in terms of "boxes". Box "a" contains two items, box "b" contains three items, how many items have I got if I add what's in box "a" to what's in box "b"? Pointers and memory addresses are a future topic :laugh:

                            How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                            Richard DeemingR Offline
                            Richard DeemingR Offline
                            Richard Deeming
                            wrote on last edited by
                            #36

                            Brent Jenkins wrote:

                            Box "a" contains two items, box "b" contains three items, how many items have I got if I add what's in box "a" to what's in box "b"?

                            Some beans[^]. :-D


                            "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

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                            • Richard DeemingR Richard Deeming

                              Brent Jenkins wrote:

                              Box "a" contains two items, box "b" contains three items, how many items have I got if I add what's in box "a" to what's in box "b"?

                              Some beans[^]. :-D


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

                              L Offline
                              L Offline
                              Lost User
                              wrote on last edited by
                              #37

                              There's a lot of truth in the Blackadder episodes :laugh:

                              How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

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                              • L Lost User

                                I'm at the same stage - I try to explain things in terms of "boxes". Box "a" contains two items, box "b" contains three items, how many items have I got if I add what's in box "a" to what's in box "b"? Pointers and memory addresses are a future topic :laugh:

                                How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                                P Offline
                                P Offline
                                PIEBALDconsult
                                wrote on last edited by
                                #38

                                Try it again: Box "a" contains two items cats, box "b" contains three items mice, how many items have I got if I add what's in box "a" to what's in box "b"?

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                                • P PIEBALDconsult

                                  Try it again: Box "a" contains two items cats, box "b" contains three items mice, how many items have I got if I add what's in box "a" to what's in box "b"?

                                  L Offline
                                  L Offline
                                  Lost User
                                  wrote on last edited by
                                  #39

                                  Still five items. Both are probably derived from "animal" which is derived from "object" anyway :laugh:

                                  How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                                  K 1 Reply Last reply
                                  0
                                  • L Lost User

                                    Still five items. Both are probably derived from "animal" which is derived from "object" anyway :laugh:

                                    How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                                    K Offline
                                    K Offline
                                    kalberts
                                    wrote on last edited by
                                    #40

                                    Probably the three smaller items will be integrated with the two larger items if you put them together. Would you still call it five items after the integration process is completed?

                                    L 1 Reply Last reply
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                                    • K kalberts

                                      Probably the three smaller items will be integrated with the two larger items if you put them together. Would you still call it five items after the integration process is completed?

                                      L Offline
                                      L Offline
                                      Lost User
                                      wrote on last edited by
                                      #41

                                      This whole thread explains what's wrong with programmers and why so many projects go belly up :laugh:

                                      How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                                      K 1 Reply Last reply
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                                      • L Lost User

                                        This whole thread explains what's wrong with programmers and why so many projects go belly up :laugh:

                                        How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

                                        K Offline
                                        K Offline
                                        kalberts
                                        wrote on last edited by
                                        #42

                                        Why not take it one step further: You put two cat items and three mice items into a closed box with no way to inspect the interior. Once you have closed and sealed the box, you will be unable to determine the total number of items in the box at any given time, until you break the seal. If Schrödinger had designed sucn an experiment, he probably would have suggested two large dog items and three kitten items - rumours are that he wasn't very much in favor of protecting cats from harm.

                                        L 1 Reply Last reply
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                                        • K kalberts

                                          Why not take it one step further: You put two cat items and three mice items into a closed box with no way to inspect the interior. Once you have closed and sealed the box, you will be unable to determine the total number of items in the box at any given time, until you break the seal. If Schrödinger had designed sucn an experiment, he probably would have suggested two large dog items and three kitten items - rumours are that he wasn't very much in favor of protecting cats from harm.

                                          L Offline
                                          L Offline
                                          Lost User
                                          wrote on last edited by
                                          #43

                                          Uh-oh! You're starting to sound like a systems architect now.. :laugh:

                                          How do you know so much about swallows? Well, you have to know these things when you're a king, you know.

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