Programming War Crimes | Prime Reacts

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  • čas přidán 1. 04. 2023
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    Original: • programming war crimes 1
    Author: / @else1f
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Komentáře • 577

  • @moodynoob
    @moodynoob Před rokem +1570

    I used to be really frustrated with how difficult to understand academic papers are, but after gaining enough knowledge, I'm now a little more sympathetic - it's really easy to tersely express ideas with complex language, simplifying them requires a lot more effort and is almost always more verbose.

    • @someonespotatohmm9513
      @someonespotatohmm9513 Před rokem +70

      It would be nice if someone would keep a dictionary for all the field specific words that have quite precise meanings. That way ppl could reference that source instead of spending one or more paragraphs explaining a single word or notation. Or leave it as an exercise for the reader to figure out what something means.
      edit: before ppl explain the obvious fighting over the meaning of words this would produce, I know but a potato can dream.

    • @kejtos5
      @kejtos5 Před rokem +167

      It may be field specific, but I honestly rarely encounter papers, that are complicated for the sake of being complicated, as some kind of intelectual voyeurism. Most of the difficulty comes from not knowing the field, which cannot be easily overcome I'm afraid.

    • @rumplstiltztinkerstein
      @rumplstiltztinkerstein Před rokem +5

      AI will make things so much more bearable now that no one will actually reading the papers any longer.

    • @theultimateevil3430
      @theultimateevil3430 Před rokem

      Stockholm syndrome let's gooo

    • @jeffreyjdesir
      @jeffreyjdesir Před rokem +13

      ​@@rumplstiltztinkerstein it's likely that until AI is fully self-explainable and deterministic society will continue to rely on human correction and oversight at least for success critical projects

  • @Stirdix
    @Stirdix Před rokem +535

    One from my brother:
    Code purpose: Every time list is changed, sort list.
    Problem: sorting list counts as a list change, producing infinite recursion.
    Solution: catch exception when hitting max recursion depth, assume list is sorted at that point, and continue from where you left off.
    As he says: "if it works, it works!"
    [He did fix it the next day when he worked out the proper way to do it.]

    • @WofWca
      @WofWca Před rokem +34

      Based

    • @attchdattchd6036
      @attchdattchd6036 Před rokem +90

      I think you need to keep an eye on him. We should be scared of people like that

    • @hyp3r-gaming157
      @hyp3r-gaming157 Před 10 měsíci +20

      Can't he add new items with binary search and escape sorting each time?

    • @petrlaskevic1948
      @petrlaskevic1948 Před 9 měsíci +7

      Just bisect the new items in

    • @GackFinder
      @GackFinder Před 9 měsíci +2

      This sounds like Blazor callbacks to be honest.

  • @capsey_
    @capsey_ Před rokem +306

    5:31 For those wondering, this is Minecraft enchanting table language (aka Standard Galactic alphabet), which is actually not a language but just a font that looks all funky

    • @Jalae
      @Jalae Před 7 měsíci +12

      i hate that it's known as the minecraft language, rather than the commander keen language. but i guess it's nice that some people might be led to discover commander keen throught it.

    • @creativecraving
      @creativecraving Před 4 měsíci

      I feel like that one is only funny if you a) don't know about Unicode or b) get the reference.

    • @kricku
      @kricku Před 2 měsíci

      @@Jalae Oh yeah, that guy you kill in Doom

    • @fwfy_
      @fwfy_ Před 2 měsíci +1

      i wrote a JS "translator" for this once - it's actually comprised of unicode. what's worse is some ASCII chars actually are represented by multiple SGA chars which broke my poor virgin JS dev soul

    • @creativecraving
      @creativecraving Před 2 měsíci

      @@fwfy_ Oh, man! Multi byte character translations are the worst! I would have that, too.

  • @darkdudironaji
    @darkdudironaji Před rokem +72

    8:47" if(true == false)" that is some interesting fucking code there.

    • @jerichaux9219
      @jerichaux9219 Před 20 dny

      I’ve done it ¯\_(ツ)_/¯
      Back before I’d set my comment-block to the best ever keyboard shortcut (Shift+Alt+A)
      Protip: you can set a block comment shortcut in SSMS.
      Sadtip: you cannot use the same shortcut to block uncomment :(
      Mildtip:
      • (Shift+Alt+A)->block comment
      • (Ctrl+Shift+Alt+A)->block uncomment

    • @Sauvva_
      @Sauvva_ Před 19 dny

      i do that all the time in unity, all it does is ignore the function until i finish it so i can run the game, if that is at the end a jususst use return but some ides complain that there is code after the return

  • @else1f
    @else1f Před rokem +355

    Glad you enjoyed this 🤣. There are so many versions of this now and I'm so glad you picked mine! And sorry about the video quality 😅

    • @8koi245
      @8koi245 Před rokem +4

      Oh really? I've only seens yours never search them up tho

  • @michawhite7613
    @michawhite7613 Před rokem +255

    1:34 I actually did that recently. The stack trace sometimes contained personally identifiable information, so I caught and rethrew the error to get rid of it in our logs.

    • @MD-vs9ff
      @MD-vs9ff Před rokem +1

      You better have commented that so the next person around doesn't think you're a moron.

    • @calebvear7381
      @calebvear7381 Před rokem +98

      Then you better have had a comment explaining why you would want to be doing that.

    • @michawhite7613
      @michawhite7613 Před rokem

      @@calebvear7381 I did. It was several lines long actually.

    • @caltissue141
      @caltissue141 Před rokem +176

      ​@@calebvear7381 Or, you name the Exception you catch badBoyWhoKnowsTooMuch and you name the one you throw niceGentleLadWithNoSecrets

    • @onebacon_
      @onebacon_ Před rokem +71

      The real solutions would be to fix the error so that it doesn't contain sensitive information

  • @rumplstiltztinkerstein
    @rumplstiltztinkerstein Před rokem +77

    7:13 When the developer says that they code 1000 lines of code a day

    • @mr.haiwan
      @mr.haiwan Před rokem

      This shit is horrendous

    • @75hilmar
      @75hilmar Před 4 měsíci +1

      Dude I laughed at this for two minutes 😂

  • @michaelhart8928
    @michaelhart8928 Před rokem +104

    I've seen this one java class that had a 6,500 line method with 5 layers of inheritance. Stuck right in the middle of the method were these two massive nested if blocks where they both were ~450 lines of if, else if, else crap.
    Best part was the second of the two if blocks was a copy and paste of the first with one comment saying "don't delete this because for some reason the code won't work without it," and you know what that person was right!

    • @student99bg
      @student99bg Před 10 měsíci +9

      On my first ever project that wasn't trivial I had a similar situation where I needed to add else if instead of else or the code didn't work. To this day I don't know why that was the case as it was supposed to be a boolean condition. Anyways, long ago I rewrote that entire part of my project, so I no longer have that issue.

  • @OLApplin
    @OLApplin Před rokem +52

    the funniest thing in java to me is to catch an IOException, just to re-throw an UncheckedIoException

  • @Asto508
    @Asto508 Před 11 měsíci +144

    I literally had seen code from a colleague with constants like this:
    int OneSecondWaitTimeout = 1;
    int TwoSecondWaitTimeout = 2;
    int FiveThousandMillisecondsTimeout = 5000;
    Not a joke, it exists and everytime I review code from this guy, I die inside.

    • @Honken
      @Honken Před 9 měsíci +8

      I take it this was used one time in one file, but if any one of these were used in ~100 places across several files, it makes sense to capture it in a variable.

    • @Asto508
      @Asto508 Před 9 měsíci +11

      @@Honken
      How does it make any sense to store constant integers in local variables?

    • @Honken
      @Honken Před 9 měsíci +5

      ​@@Asto508 Not local; global. That's what I meant with "100 places across several files".
      Magic strings and numbers are a major PITA. It's better to group them in one place and refer to them via constants or enums.
      If by your post you meant that your colleague keeps them _in one scope_ then yeah, that's dumb AF and I feel your pain; I get those as well.
      ```
      const isLoggedIn = user.logged_in
      if (isLoggedIn) {
      ...
      }
      ```
      _fukme_

    • @Asto508
      @Asto508 Před 9 měsíci +10

      @@Honken Well, if the constants are actually some very important number, then I can see your point, but we are literally talking about "1" or "2" in constants named "One" and "Two".

    • @Honken
      @Honken Před 9 měsíci +8

      ​@@Asto508 The same principle still applies; if they are used hundreds of times, by having them constant you have one uniform value instead of hundreds of arbitrary values, hence the word 'constant'.
      If we need to change TIMEOUT from 2.0 to 5.0, that's a one line change.
      If we have to dig through tens of thousands of lines of code and find every `timeDiff.Seconds >= 2.0`, we will be wasting a lot of time and run the very palpable risk of missing one and heisenbug ourselves into pager duty on Christmas.
      As dumb as it sounds, having a constant/enum called One which is bound to the integer 1, if the references to that number is high, it's an investment well made.

  • @lunaxion8641
    @lunaxion8641 Před 5 měsíci +8

    Who took pictures of my code?

  • @alexIVMKD
    @alexIVMKD Před rokem +90

    Prime's reactions are the funniest

    • @ThePrimeTimeagen
      @ThePrimeTimeagen  Před rokem +20

      :)

    • @PragandSens
      @PragandSens Před rokem +4

      @@ThePrimeTimeagen its cute and funny, cunny

    • @abdallahm96
      @abdallahm96 Před rokem +5

      @@PragandSens There's a time and place for everything, and prime correction is not yet meant to be 😭

    • @wilder6408
      @wilder6408 Před rokem

      Nobody press another like. This is where it should be.

  • @RealRatchet
    @RealRatchet Před rokem +126

    Catching and then rethrowing immediately is useful when you need a debugger trap because breaking on exception sometimes destroys the callstack legibility, I'm looking at you javascript. And then you forget it and push it to production.

    • @drewbabe
      @drewbabe Před rokem +9

      Language-specific quirks are understandable but I think this is Java where that doesn't make sense

    • @MrIceGhost7
      @MrIceGhost7 Před rokem +6

      In Python raise Exception() from e is legit for catching whole stack trace for debugging purpose :)

    • @EbonySeraphim
      @EbonySeraphim Před 9 měsíci +3

      In the Java case, the debugger trap is useful as setting a breakpoint at the end of a function doesn't get triggered if the stack is being jumped/unwound. There may be advanced debugger features that can do this, but its much easier to combine basic debugger functionality with basic code and set a breakpoint on that line so you can examine what's going on as the exception is being thrown.
      A very similar (but not exact) reason to do this is if the caught exception is checked and you're just rethrowing an unchecked, or a different wrapped checked (ugh) exception.

    • @MrDavibu
      @MrDavibu Před 8 měsíci +2

      @@drewbabe
      If it hasn't changed it's necessary in Java to catch exceptions (elsewise the code will not compile), if you can't handle them you have to rethrow them.
      Thus the shown code is the only valid way in Java to escalate the exception upwards into runtime.
      It's not cringe in anyway, not every exception can be handled by a program, but needing to handle all exceptions leads to more safe code (defensive programming).
      I mean Rust does pretty much the same thing with an onEvent function instead of a catch block and people praise rust for this.
      Just because it's older way, doesn't make it worse.

    • @asdfqwerty14587
      @asdfqwerty14587 Před 4 měsíci

      ​@@MrDavibu I don't see how putting it in a try/catch block would change anything in Java. I don't know if it was ever different, but when I've worked with Java the way it works is that a function can't throw an exception unless you include "throws Exception" (or some subclass of Exception) as part of the function declaration, and if you do have that included as part of the function declaration then you don't need to include a try/catch block even if something within that function throws an exception.

  • @_FFFFFF_
    @_FFFFFF_ Před 6 měsíci +14

    I've led a priviledged life. The C code I work with most days is bad, but never this bad. Thank you kernel devs.

  • @SpazeUnofficials
    @SpazeUnofficials Před rokem +1

    can't believe this has not more views, it has to be one of your best videos

  • @d3vilm4ster
    @d3vilm4ster Před rokem

    This is one of your best videos! Loved it 😂❤!

  • @emjizone
    @emjizone Před rokem +55

    6:38 Experts, please explain to me the difference between a Git rainforest and a primitive Git jungle. What are the most toxic bugs that can be found in there?

    • @Jabberwockybird
      @Jabberwockybird Před 2 měsíci +2

      I think a git bamboo forest is better. No merging ever

  • @games4us132
    @games4us132 Před 8 měsíci +5

    About sentered code - it is actually a thing that was popular back in the days where ide was not common an people programmed in simple text editors. Ive seen that myself but aside from how it looks it was pretty comfortable to read and there was no errors.

  • @radekmojzis9829
    @radekmojzis9829 Před rokem +14

    Yesterday i was refactorig some code written by a collegue and i found this gem.
    $files = [ ]
    foreach ($media_files as $file){
    $files [] = $file;
    }
    return $files;
    Also the most evil definition of true/false ive ever seen is
    #define true (rand() % 2)
    #define false (rand() % 2)

    • @gregorymorse8423
      @gregorymorse8423 Před 4 měsíci +3

      Making a copy of a list to avoid leaking internal state or reference issues has many valid uses. You probably broke your colleagues code and caused a disaster due to naivety.

    • @radekmojzis9829
      @radekmojzis9829 Před 4 měsíci

      @@gregorymorse8423 no, it everything works perfectly fine.

    • @merlin9702
      @merlin9702 Před 2 měsíci

      @@gregorymorse8423 $files = $media_files copies the "array" in php

    • @lemke5497
      @lemke5497 Před měsícem

      ​@@gregorymorse8423I was about to say that, unless php has some function like Java to return a super fast copy of a collection instance, this is good/normal code.

  • @JerrenT
    @JerrenT Před rokem +3

    there are so many of these videos and they are all great

  • @BusinessWolf1
    @BusinessWolf1 Před rokem +19

    I entered a twitch stream once. They unironically used a cursive font. i asked them about it, wished them a good day and left.

  • @CottidaeSEA
    @CottidaeSEA Před rokem +84

    For the FizzBuzz stuff, use a map with numeric keys and what should be printed. Use % key == 0, add value to variable and print at the end, printing the number if variable is empty.
    You're welcome.

    • @GiletteRazorsharp
      @GiletteRazorsharp Před rokem +6

      What do you mean by " % key == 0"? You mean iterate over the key values and check if whatever number you have `% key` is 0? Then what's the point of having a map in the first place?

    • @MH_VOID
      @MH_VOID Před rokem +11

      you're saying something like the following (don't mind the variable names :| ):
      ```rs
      pub fn fizzbuzz(input: usize) {
      let map = [
      (3, "Fizz"),
      (5, "Buzz"),
      (7, "Baz")
      ];
      let res = map
      .iter()
      .filter(|(k, _)| input % k == 0)
      .map(|(_, v)| v)
      .fold(String::new(), |acc, e| acc + e)
      ;
      println!("{}",
      if !res.is_empty() { res }
      else { input.to_string() }
      );
      }
      ```
      ?

    • @CottidaeSEA
      @CottidaeSEA Před rokem +3

      @@MH_VOID Yeah, that seems correct to me. That way you only need to adjust the data rather than the "business logic".

    • @CottidaeSEA
      @CottidaeSEA Před rokem

      @@GiletteRazorsharp See the reply from MH_VOID. The point is to not have to adjust the logic, only the data.

    • @GiletteRazorsharp
      @GiletteRazorsharp Před rokem +9

      ​@@CottidaeSEA sure, but MH_VOID isn't using a map. That's just an array of tuples. Still, why would that be any better or worse than having just more if statements (presuming you do string concatenation)? I'd argue it's less readable unless you're getting into many more than 4 or 5 branches.

  • @evellior
    @evellior Před 4 měsíci +2

    Sometimes at work (in Go) we write functions that take a pointer to a boolean as a parameter, usually for a simple filter that has three states (eg: when requesting customer list get free users / premium users / all users). Certain higher level functions always need a particular list, but you can't just pass true because it needs to be a pointer, so I call it like this:
    true := true
    myFunction( &true )
    "If it's stupid but it works, it's not stupid." (/s)

  • @QuotePilgrim
    @QuotePilgrim Před rokem +7

    When I wrote fizzbuzz for the first time I did it in Python in a way that you could pass the fizzbuzz function a dictionary where the keys are numbers and the values the strings to replace them with, so you could call it with {3: "fizz", 5: "buzz"} or {3: "fizz", 5: "buzz", 7: "bazz"} or whatever you like, with pretty much as big a dictionary as you wanted.

    • @henry_tsai
      @henry_tsai Před 2 měsíci +1

      Ah, the "replacing combinational logic with ROM" solution, software edition.

    • @QuotePilgrim
      @QuotePilgrim Před 2 měsíci

      @@henry_tsai I think I described it poorly. You pass a dictionary with all the numbers. If you pass just {3: "fizz", 5: "buzz"} it will automatically replace all multiples of just 3 with fizz, all multiples of just 5 with buzz and all multiples of 15 with fizzbuzz. If you pass {3: "fizz", 5: "buzz", 7: "bazz"} it will additionally replace all multiples of 21 with fizzbazz, all multiples of 35 with buzzbazz and all multiples of 105 with fizzbuzzbazz. That is, assuming I added a maximum number parameter to allow it to output more than 100 numbers, which I don't remember if I did or not, and I don't know if still have the original code I wrote.

  • @sub-harmonik
    @sub-harmonik Před 10 měsíci +13

    the thing is, the 'if/else' fizzbuzz solution is usually the most performant. It's just not scalable at all. Also if you add 'bazz' as 7 then would you also print 'fizzbuzzbazz' when the number is divisible by all of them?

    • @macfrag574
      @macfrag574 Před 9 měsíci +5

      yes, but that only occurs at 105 at the first time (3*5*7), so you would have to change the upper limit of the range for this to happen at least once

    • @Petrovich2049
      @Petrovich2049 Před 16 dny

      It’s not the most performant. Use counters instead, which reset on hitting 3 and 5 and you remove %. Optimize it further and populate an array[n=smallest divisible number=3*5] with answers and write to output as many times as needed.

  • @sharpedged7830
    @sharpedged7830 Před rokem +11

    1:34 I have this in my code 😃 though I would say it's the most natural solution as I am writting a custom language compiler and when an error is thrown during macro expansion I want to log the entire macro expansion chain. (Like "missing semicolon", "note: in expansion of macro macro_2!()", "note: in expansion of macro macro_1!()" ...)

  • @AstronautLoveTriangle
    @AstronautLoveTriangle Před 17 dny

    I didn't understand literally any of these, and this was still entertaining.

  • @dave6012
    @dave6012 Před rokem +2

    I love that “Bustin’” is on your watch list 😂

  • @Robert-zc8hr
    @Robert-zc8hr Před 10 měsíci +1

    The cursive is so good! I don't know what I'll use it for yet, but I'll use it.

  • @TheAndreArtus
    @TheAndreArtus Před rokem +19

    One that always gets me:
    ```
    if condition
    return true
    else
    return false
    ```
    Or one where items were deleted from a collection in a set of nested loops and checks, e.g.
    ```
    while true {
    for index in range {
    if (range[index] == itemToDelete) {
    range = range[0..index-1] + range[index..range.size]
    found = true
    }
    }
    if found break
    }
    ```
    There are so many better options one can choose. One, assuming no need to preserve order or immutability is to reverse the iteration order and swap the found item with the last [unmatched] index and then just trim the collection to the new size.

    • @rg10293
      @rg10293 Před 8 měsíci

      You can rewrite the first one as "return condition ? True :False"

    • @TheAndreArtus
      @TheAndreArtus Před 7 měsíci +6

      @@rg10293 Or just "return condition", it's clearly already Boolean.

    • @Nathan-pl2cf
      @Nathan-pl2cf Před 7 měsíci

      @@TheAndreArtus it could be a truthy value

    • @TheAndreArtus
      @TheAndreArtus Před 7 měsíci +1

      @@Nathan-pl2cf You can still return directly with a double negation (e.g. JS) or type cast (e.g Python). If you can branch on a condition then you can also directly return a boolean representation thereof (true|false; 1|0; etc.) in most common languages. Personally I try to dispense with weak notions of type as soon as possible as these, in my opinion, are too frequently a source of bugs.

    • @Nathan-pl2cf
      @Nathan-pl2cf Před 7 měsíci +2

      @@TheAndreArtus I agree, just wanted to point out that they weren't entirely wrong, depending on the language anyways. I would probably go with explicit casting over the ternary though.

  • @Deadgye
    @Deadgye Před 4 měsíci

    I had to spend probably an extra week of effort debugging an application on a customer environment the dev team doesn't have access to because the application is riddled with exception catches that throw new exceptions everywhere so you can never figure out the full story and even with full server logs w/ annotated context and testing results the dev team isn't always sure what happened.
    I kept mentioning that it was unfortunate I couldn't know what the error actually was because of it. But instead of getting better, there were more catch throw new added and added.
    I just couldn't even anymore. Just couldn't even.

  • @davidmcdonnel4831
    @davidmcdonnel4831 Před rokem +4

    Here's my Fizzbuzz in Haskell I made while trying out Haskell, I'm excluding the tests, test harness, main IO function and combining it all into one file. I wanted to have a ruleset file that was the only thing you needed to change to add more rules like is commonly asked in the FizzBuzz toy problem.
    import Data.Foldable
    import Data.Maybe
    type FizzRule = Int -> Maybe String
    fizz :: FizzRule
    fizz = rule 3 "Fizz"
    buzz :: FizzRule
    buzz = rule 5 "Buzz"
    foo :: FizzRule
    foo = rule 7 "Foo"
    bar :: FizzRule
    bar = rule 11 "Bar"
    baz :: FizzRule
    baz = rule 13 "Baz"
    rule :: Int -> String -> FizzRule
    rule n m i =
    case i `mod` n of
    0 -> Just m
    _ -> Nothing
    fizzBuzz :: [FizzRule] -> [Int] -> [String]
    fizzBuzz rules = map f
    where
    f i = fromMaybe (show i) (ruleset i)
    ruleset = fold rules

  • @creepergd4884
    @creepergd4884 Před 5 měsíci

    1:33 I did something like this in my C# .NET course where I took an IO exceptions and threw an unimplemented exception lol

  • @XeZrunner
    @XeZrunner Před rokem +6

    More like this, please 😂

  • @maxmouse3
    @maxmouse3 Před 6 měsíci

    The second video UAHUAUHA the catch/throw I've also seen in the wild

  • @skycaptain95
    @skycaptain95 Před 6 měsíci +1

    1:35 this is a valid solution when you need to strip everything but the message string to avoid leaking sensitive data. It would be better to rewrite the error though. Bandaid foxes cost more in the longun.

  • @hansmustermann7185
    @hansmustermann7185 Před 21 dnem +1

    „A physicist tries to make it simple.“
    The guy has never seen code written by a physicist

  • @davidblbulyan3077
    @davidblbulyan3077 Před měsícem +1

    2:00 this shit happens in java with its "checked exceptions", it means that you can't just don't write this catch block, if a method throws "checked exception".
    So, what people usually do in this situation ? They catch this checked exception, whatever type it is and then just do in catch block something like this:
    throw new RuntimeException(e);
    These checked exceptions are exceptionally annoying in lambdas, such as Runnable, Callable, Function and others. Because without this your lambda will be just one line(sometimes), but you have to specify this catch block there.
    Or, they can use their own type which extends RuntimeException.
    But anyway, this example just means no sense, because as I remember, Exception is a checked exception.
    So in this situation, they literally do just nothing.

  • @einargs
    @einargs Před 11 měsíci +7

    To be fair to academics, when you're dealing with complex topics you need specialist language for it.

  • @snwdn
    @snwdn Před rokem +6

    Can someone explain what he is talking about with FizzBuzz and a map? I understand a map as either a hashmap like a typical Javascript object or the Array prototype function map where you iterate an array an pass a function to run that takes each item in the array as an argument. I was trying to look up solutions to FizzBuzz that use a map (or Array.map) and I can't seem to figure out how that would make it more extensible or scalable that using if statements.

    • @macctosh
      @macctosh Před rokem +1

      You are overthinking it! I initially thought the same thing but realized there are referring to "map" ( iterate n times and transform each value ). FizzBuzz is so Trivial that it makes it difficult!

    • @altrag
      @altrag Před 9 měsíci +3

      Its the hashmap one. It seems overkill if you're only dealing with 2 or 3 replacements, but it shows that you could design a routine that might take maybe 30 replacements if you wanted without having to write a giant stack of if/else.
      Of course you can do that with just a bunch of single ifs (not else ifs) as long as you're careful to only print a newline at the end of them all, but the next question (to drive you to the "correct" answer) would be asking how the replacements could be configured / passed into the method externally rather than hardcoded.
      If they push you to the map solution (one way or the other), and you're sufficiently familiar with your language's data structures to know how to deal with it (because they'll obviously tell you to suggest an answer yourself!), you can ask if the order of the words matters. In most languages the basic map structure is unordered and since that's (usually) not the goal of the exercise the interviewer might not have been thinking about it (not that they wouldn't understand the question of course, just that it might not have been in their head at the time so bringing it up might show an extra layer of thought about the problem).
      Of course FizzBuzz is so well known its unlikely they'll push all that hard. If its used at all anymore, it'll just be as a basic filter problem and they'll focus on something more relevant (and less likely to have just been memorized from any of the million examples online).

    • @TeslaPixel
      @TeslaPixel Před 2 měsíci +2

      ​@@altragwhat does a map give you over an array of pairs?

    • @altrag
      @altrag Před 2 měsíci

      @@TeslaPixel Uhh not much, I suppose. That wasn't really in the OP's question though. I was mostly distinguishing a hashmap data structure (which probably wouldn't be any better than the array of pairs) from a functional-style map() method (which wouldn't really do what's needed.. of course if you had a list of numbers you could map() them using a map :D).

  • @MichaelLazarski
    @MichaelLazarski Před rokem +43

    I think what he means with fizzbuzz and map and adding a 7 for example would be this:
    const condition = { 3: "Fizz", 5: "Buzz", 7: "Prime" };
    for (var i = 1; i i % key === 0 ? value : "")
    .join("");
    if (!answer) answer = i;
    console.log(answer);
    }

    • @joshuakb2
      @joshuakb2 Před rokem +7

      That example is relying on JS coercing "key" to a number in the modulo expression. It does work, but in TS you'd want probably want `i % +key`

    • @twothreeoneoneseventwoonefour5
      @twothreeoneoneseventwoonefour5 Před rokem +18

      why are you using var in 2023, dude, ew

    • @joshuakb2
      @joshuakb2 Před rokem +4

      @@twothreeoneoneseventwoonefour5 haha I didn't even notice that

    • @twothreeoneoneseventwoonefour5
      @twothreeoneoneseventwoonefour5 Před rokem +8

      I have also done it in one liner (kind of):
      const conditions = { 3: "fizz", 5: "buzz", 7: "prime" };
      for (let i = 1; i
      i % +key === 0 ? conditions[key] : ""
      )
      );
      console.log(line);
      }
      Or better to use an actual map here:
      const conditions = new Map([
      [3, "Fizz"],
      [5, "Buzz"],
      [7, "Prime"],
      ]);
      for (let i = 1; i

    • @MichaelLazarski
      @MichaelLazarski Před rokem +2

      @@twothreeoneoneseventwoonefour5 This is something i wrote quickly in the console and if its let or var here is so unimportant :D
      There are 1000 ways of solving this.

  • @brentsaner
    @brentsaner Před 5 měsíci

    The go default* vars might be for reference pointers in e.g. a default struct

  • @ChilenonetoYoutube
    @ChilenonetoYoutube Před 11 měsíci +2

    I Personally had to work on refactor a program writtten in an ancient xbase derivative... Foxpro i think, that its function was to program production of bottled vbeverages on several produiction lines... the on-screen tables where bottle caliber and production line ID were cross referenced were made with HARDCODED ID ... I'm talking about 10 different calibers and 3 different production lines .... was a NIGHTMARE to get the business logic of all that spaghetti... Worst thing: I knew the guy who did it, and He always sold that chad "I Rule at coding BTW" vibe.... disgusting

  • @NithinJune
    @NithinJune Před 10 měsíci

    3:57 This reminded me of that video “I am a never nester”

  • @DagarCoH
    @DagarCoH Před rokem +1

    Uuhh, kinda in that first situation right now. Other than throwing a NEW exception, what is wrong with it if I absolutely have to handle the error (as in a specific error that might be thrown there) higher up the call chain?

    • @adambickford8720
      @adambickford8720 Před rokem +6

      You are buying nothing by doing that as its still the callers problem. You've added no information and added noise. If you were translating it to a RUNTIME exception or adding some contextual information to the error string it'd be potentially useful.

    • @DagarCoH
      @DagarCoH Před rokem +1

      @@adambickford8720 Okay, but I am adding information for logging before re-throwing the error. As far as I have seen, that is justified then.

    • @adambickford8720
      @adambickford8720 Před rokem +3

      @@DagarCoH Sorry, i meant 'you' as anyone doing what was shown in the video :) It can be very helpful to report on other state at the time of the error for logging to debug it, even if you can't recover.

    • @altrag
      @altrag Před 9 měsíci

      @@DagarCoH As long as you're doing _something,_ its justifiable (well assuming the thing you're doing is not in itself useless of course). Wrapping an exception to change its type or provide additional context is an extremely common thing to do.
      Its the rethrowing of the same exception without taking any other actions that's pointless.
      Actually as written, its somewhat dumber than pointless - its taking a potentially typed exception and wrapping it in a generic Exception. Just as useless as rethrowing the same one, but with the added bonus of shunting the actual exception information (including the exception message) one level down the cause/innerException chain and making it that much harder to find the real cause within the stack trace.
      Someone higher in the comments suggested this might be done to intentionally blitz the stack trace in case it contained sensitive information. That's a valid thing to do (though not really the right way to do it), but the code in the video doesn't even accomplish that task in any meaningful way:
      - If the logger fails to dig into the cause/innerException chain, then you've not only lost the original stack trace but also the error message, making the log message entirely useless.
      - If it does dig into the cause/innerException chain then you've accomplished nothing other than to make your log output longer.

  • @lordofthe6string
    @lordofthe6string Před 11 měsíci +11

    Telling people that FizzBuzz example is war crime, is a war crime.

    • @aenguswright7336
      @aenguswright7336 Před 3 měsíci

      I mean, the whole point of FizzBuzz is to NOT do it that way, so....

    • @sagitswag1785
      @sagitswag1785 Před 2 měsíci +6

      ​​​@@aenguswright7336 I thought the point of fizzbuzz is the modulo operator? Unless you mean you're always meant to use string concatenation?

    • @tapwater424
      @tapwater424 Před měsícem

      @@aenguswright7336 Tell us, without searching it up, why it's a bad idea to use if..else if..else for fizzbuzz

  • @JohnSmith-ox3gy
    @JohnSmith-ox3gy Před 4 měsíci

    Sometimes I ask myself would Terry think my code has too much voodoo.

  • @NachitenRemix
    @NachitenRemix Před rokem +3

    WOW, you were able to watch a whole video without interrupting it. What a miracle :)

  • @Jabberwockybird
    @Jabberwockybird Před 2 měsíci

    I was so confused about how FizzBuzz can be done with a map. And after giving up and looking it up. It's actually NOT A MAP. Okay, it's specifically not a hash map. It gets converted to an array of conditions and each number is run through the array to see if it matches one of those conditions.

  • @sagitswag1785
    @sagitswag1785 Před 2 měsíci +2

    9:36 can smeone explain what he is talking about? As far as I am aware, you still need to use a number of if statements...
    Like the only thing I can think of that he might be talking about is creating an empty output string and then concatenating it with "Fizz" on 3 "Buzz" on 5 and "Bazz" on 7, which still requires 3 if statements.
    What does he mean by "anyting better"?

    • @Tacos691
      @Tacos691 Před 19 dny

      You can map an integer to a string. And then when iterating over numbers you additionally iterate over the map keys. This approach is slower but more "extensible". Slower because you have to jump around memory and cause a shitton of cache misses. Basically this is a shit question that depends on the interviewers interpretation on what is an "optimal" solution

  • @antonpieper
    @antonpieper Před rokem +9

    6:20 idiomatic C++ in 2030 be like

  • @hotrodhunk7389
    @hotrodhunk7389 Před rokem +11

    I agree a lot of so-called geniuses to speak in a certain way that makes them seem smarter than they really are... Neil deGrasse Tyson being the main person I think about when I think about people who everybody thinks is a genius but just seems to be very assertive and talk in a very specific way.

    • @raylopez99
      @raylopez99 Před rokem +1

      From what I've read of N. D. Tyson, he's a lot smarter than you and I in astrophysics. But coders (I'm not one, at least one professionally) often do clever stuff like x += 1; rather than x = x + 1; just to show off methinks.

    • @isodoubIet
      @isodoubIet Před rokem +10

      @@raylopez99 "But coders (I'm not one, at least one professionally) often do clever stuff like x += 1; rather than x = x + 1; just to show off methinks."
      bruh

    • @Aeduo
      @Aeduo Před rokem +1

      @@raylopez99 a better example that is far less clear is in something like C, combining iteration and dereferencing in to an already dense bit of code. it's unnecessary and poorly breaks down the solution in to its meaningful parts.

    • @javier.alvarez764
      @javier.alvarez764 Před rokem +1

      @@raylopez99 Neil deGrasse Tyson is also considered as pop science by his community.

    • @F_A_F123
      @F_A_F123 Před měsícem

      ​@@raylopez99 x += 1 is nothing clever. Like at all. It's just better than x = x + 1, cuz it's easier to write and to understand.

  • @h0rm1
    @h0rm1 Před měsícem

    Soundrack from The Incredibles - Mr. Incredible learns the truth

  • @ItsGazareth
    @ItsGazareth Před rokem +8

    I love the music as well, it sounds like an evil villain soundtrack. Only someone truly depraved would birth such code.

  • @laughingvampire7555
    @laughingvampire7555 Před 10 měsíci +2

    no wonder the npm package manager leftpad was faster than yours.

  • @probablyarth837
    @probablyarth837 Před rokem +3

    Plot twist: it wasn't a kid who made that scratch code

  • @_greysama_
    @_greysama_ Před 10 dny

    “How do you trim the bonsai tree?”
    Me: rm -rf

  • @nomadshiba
    @nomadshiba Před rokem

    2:10 actually this might be useful? maybe idk
    like you get an Exception but it can be any class that iNheRitS from Exception so instead you just create a new Exception that is just an Exception, that way if there is some other code that is doing something based on the type of the Exception, it can act like its just a normal Exception

  • @TheNewton
    @TheNewton Před rokem

    6:37 is the funniest because it's the Declaration of Initialization

  • @bobert3335
    @bobert3335 Před 4 měsíci

    I think the fizzbuzz is fine, thought it does highlight how the optimal solution depends on the usage context.

  • @FilipMakaroni_xD
    @FilipMakaroni_xD Před 9 měsíci +1

    Because of this video I forced myself to write a scaleable FizzBuzzBazz program

  • @chopseh
    @chopseh Před 10 měsíci +1

    oh, I thought this was going to be a tutorial on programming drone software for the US Army.

  • @d3fau1thmph
    @d3fau1thmph Před 7 dny

    2:00 This is a placeholder to write the exception handling routine later.

  • @u9vata
    @u9vata Před rokem

    The only reason why I don't fuck up with .sort() still to this day despite knowing this is that I implemented an O(n) heap-sort variant in the codebase and calling that anyways :D :D :D

  • @SilaDrenja
    @SilaDrenja Před rokem +1

    9:50 somewhat they would be right. There are others, most of them more scalable ways, but this is by far the fastest. Only remove the first if, and all the else's

  • @skeleton_craftGaming
    @skeleton_craftGaming Před 6 měsíci

    Oh that makes sense, and fits with my perspective that I'm an absolute clown... 0:57
    5:02 as an interjection to the fact that print takes multiple arguments, that is fine, and any other context...
    Actually, I would argue that using non-branching code would be better. [To implement fizzbuzz]

  • @KangoV
    @KangoV Před měsícem

    Longest class name in Spring: "HasThisTypePatternTriedToSneakInSomeGenericOrParameterizedTypePatternMatchingStuffAnywhereVisitor"

    • @LudvikM
      @LudvikM Před měsícem

      I hope it's a utility class with only static methods XD

    • @KangoV
      @KangoV Před měsícem

      @@LudvikM Haha, now that would be funny :)

  • @astronemir
    @astronemir Před 6 měsíci

    I saw the original in some image board without 240p, idk why this person made it into a 240p upload. But there you go

  • @KeplerEmeritus
    @KeplerEmeritus Před 8 měsíci

    Nooby question pls be nice. How does FizzBuzz illustrate that the programmer knows what a map is? Because I'm thinking of map as in applying a function/method to every item in a collection.

  • @75hilmar
    @75hilmar Před 4 měsíci +1

    Teacher, why is the computer saying error everytime I run the code?
    The Code:
    Start() {Print("Error");}

  • @draiverx
    @draiverx Před rokem +6

    const sentence1Array = ["There", "is", "a", "big", "problem", "with", "this", "video"];
    const sentence2Array = ["It", "was", "too", "short"];
    console.log(sentence1Array[0]);
    console.log(sentence1Array[1]);
    console.log(sentence1Array[2]);
    console.log(sentence1Array[3]);
    console.log(sentence1Array[4]);
    console.log(sentence1Array[5]);
    console.log(sentence1Array[6]);
    console.log(sentence1Array[7]);
    console.log(sentence2Array[0]);
    console.log(sentence2Array[1]);
    console.log(sentence2Array[2]);
    console.log(sentence2Array[3]);
    I had to fight with Chat-GPT, more than 5 prompts to force it to write the code in this way. But it didn't complain about writing it in JavaScript

  • @louismarques6803
    @louismarques6803 Před 7 měsíci

    so, there are some programming languages developed exclusively to least ammount of characters code challenges, so they have some pretty complex semantics.

  • @gamezoid1234
    @gamezoid1234 Před rokem

    When are we gonna get that Casey stream prime!?

  • @emptystuff1593
    @emptystuff1593 Před 8 měsíci

    3:25 I actually have to do that kind of bullshit because of stupid Sonarqube configurations that don't let me reuse the same literal value more than once...

  • @comedyclub333
    @comedyclub333 Před 5 měsíci

    I just paused the video at 3:20 and didn't realize for a full minute, because I was thinking it was already accidentally paused and tried to "unpause" it.

  • @floverdevel
    @floverdevel Před 4 měsíci

    I'm pretty sure Apple is already able to achieve shared experiences.
    I think Apple is waiting for the next release of the device to offer this feature so the upgrade would worth buy it.
    Or maybe shared experiences is achievable but are not quite the "Apple way" yet.

  • @0x6po
    @0x6po Před rokem +7

    part 2?

  • @thewilltejeda
    @thewilltejeda Před rokem

    This f**king made my day

  • @favourbede5889
    @favourbede5889 Před rokem +7

    I legit did the emptyString = "" yesterday 😂😂😂. I think there was a good reason for it though. I wrote a function that did a lot of string manipulation so I figured it would be better to read emptyString and space than to read "" and " "

    • @joshuakb2
      @joshuakb2 Před rokem +7

      I think that's a great reason. The true horror of defaultTrue, defaultFalse, and defaultEmptyString is not that we're aliasing easily-expressed values so much as that there's only 1 value of "true", "false", and "empty string" each, so there's no point in specifying a "default" for each of those categories

  • @emjizone
    @emjizone Před rokem

    3:51 This one is for T-Shirt. Or a scarf.
    And the brand should be named _Elsewhat_.

  • @tuoh
    @tuoh Před rokem +1

    I've done the exception stuff so many times...

  • @PixelwhippedMeGames
    @PixelwhippedMeGames Před 6 měsíci

    Lol, I was looking at the thumb trying to understand why. Then I saw the title

  • @satyayuga0
    @satyayuga0 Před 6 měsíci

    Terry was referring to Tom (JDSL)

  • @wepped482
    @wepped482 Před 3 měsíci

    I'm confused, do new programmers not know that switch/case statements exist?

  • @sjfsr
    @sjfsr Před 5 dny

    Just looking at the thumbnail, I say turn to the functional paradigm. I write java daily and i enjoy it when I don't have to deal with validation tasks. I know.... Fp has everything as a value, including exceptions and I love it for that reason.

  • @dabbopabblo
    @dabbopabblo Před rokem

    Capital letter variable names aren't egregious if you are working in golang > rust

  • @treeplate512
    @treeplate512 Před měsícem

    1:40 there's a thing called "rethrow" that does exactly what you want here

  • @Pedro-jj7gp
    @Pedro-jj7gp Před rokem

    is the google doc publicly available?

  • @ethanwasme4307
    @ethanwasme4307 Před 7 měsíci

    How i feel watching this channel as a first year

  • @anandmahamuni5442
    @anandmahamuni5442 Před rokem

    The in video screen tearing makes it more funny😂

  • @compilererror
    @compilererror Před rokem +7

    I did not want to be the one to say this, and yes I am an idiot, but the UI in templeOS is the definition of complex.

    • @compilererror
      @compilererror Před rokem +3

      Make no mistake - Terry Davis was a human Cypher

    • @underscore.
      @underscore. Před 10 měsíci

      reported for terrorism and misinformation

  • @froreyfire
    @froreyfire Před 9 měsíci

    I once came across some old code of mine which read something like: `replace('''', ''''''''')`

  • @foobar69
    @foobar69 Před rokem

    sir prime sir... how do you debug in nvim? I'm having problems debugging in nvim.. help pls

  • @Alex-xl4xe
    @Alex-xl4xe Před 11 měsíci

    I think the cursive one was on reddit with an actual question from someone.

  • @azizoid
    @azizoid Před 3 měsíci

    I have recently refactored the catch/throw code 🙂

  • @lorddraagon
    @lorddraagon Před rokem

    Lol I rarely have to use JS. Didn't know about using map with fizzbuzz xD

  • @emptystuff1593
    @emptystuff1593 Před 8 měsíci +1

    1:32 I reviewed way worse code. Like a big ass several thousands lines Java ETL that would try/catch every single NPE in its own block and do nothing about it. So instead of failing at the first NPE, it would continue until the end, return a status 0, except it did shit all.

  •  Před 6 měsíci

    It's great that after 3 years in programming I understand every single joke. My wife looks at me like I am crazy.

  • @DoItAndDie
    @DoItAndDie Před rokem +5

    Can someone explain to me what prime meant about how to add the 7 to fizz buzz?

    • @MichaelLazarski
      @MichaelLazarski Před rokem +1

      const condition = { 3: "Fizz", 5: "Buzz", 7: "Prime" };
      for (var i = 1; i i % key === 0 ? value : "")
      .join("");
      if (!answer) answer = i;
      console.log(answer);
      }

    • @SumoCumLoudly
      @SumoCumLoudly Před rokem

      divisible_by_3 = lambda x: x % 3 == 0
      divisible_by_5 = lambda x: x % 5 == 0
      all_numbers_in_range_1_to_100 = range(1, 101)
      valid_fizz_numbers = list(filter(divisible_by_3, all_numbers_in_range_1_to_100))
      valid_buzz_numbers = list(filter(divisible_by_5, all_numbers_in_range_1_to_100))
      seven_map = {7: 'Bad'}
      for i in range(101):
      if i in valid_fizz_numbers and i in valid_buzz_numbers:
      print('FizzBuzz')
      elif i in valid_fizz_numbers:
      print('Fizz')
      elif i in valid_buzz_numbers:
      print('Buzz')
      elif i in seven_map:
      print(seven_map[i])

    • @GiletteRazorsharp
      @GiletteRazorsharp Před rokem

      @@SumoCumLoudly Bro you just made fizzbuzz quadratic and nothing else

    • @cre8ive65
      @cre8ive65 Před rokem

      Instead of using a ton of if statements you can iterate over a datastructure. This allows you to add more cases that follow the same logic easily, and could even do it at runtime if required. Here's an JS example:
      function fizzbuzz() {
      const map = new Map([[3,"Fizz"],[5,"Buzz"],[7,"Bazz"]])
      for(let i = 1; i

    • @GiletteRazorsharp
      @GiletteRazorsharp Před rokem +4

      @@cre8ive65 Why even have a map if you're iterating over it? Why not just an array of tuples?

  • @_bitties
    @_bitties Před rokem

    I'm emotionally bruised