baavgai's Profile User Rating: *****

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C, C++, Java, C#, ASP.NET, PHP, Perl, Python, Oracle, SQL Server, MySql, HTML, JavaScript, Lua, Cheese

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  1. In Topic: Should I be using OOP?

    Posted 1 Mar 2015

    View PostAtli, on 01 March 2015 - 06:11 PM, said:

    is clearly insulting.

    To what, exactly? You? No. PHP? Not exactly. To the idea of OOP in PHP? Sure.

    Ideas don't have feelings. They may be insulted without reservation. Ideas should be criticized. Constantly. Because it's only through weathering such assaults that we can judge their merit. Talking issue with the language of criticism, rather than the critique itself, is at best unproductive, at worst deflection.
  2. In Topic: Should I be using OOP?

    Posted 1 Mar 2015

    View PostAtli, on 01 March 2015 - 09:14 AM, said:

    View Postbaavgai, on 01 March 2015 - 12:35 PM, said:

    Some PHP gurus might get mad at me, but I generally find OOP in PHP to be like a fish on a unicycle; rather absurd and sad.

    Don't worry, we are used to this elitist attitude from a lot of Java/.NET/C++/etc... developers.
    It used to piss me of a bit - and honestly still does when I see it from smart people such as yourself - but at this point it's more amusing than anything.

    I could never quite figure out why good developers feel the need to bash another language like this, every chance they get.

    Curious. No, I was not bashing PHP. PHP gets bashed enough without me. I like PHP and was expressing my point of view. If you wish to see that as some kind of personal attack, well, that's up to you.

    I don't use pointers in C# or goto most places. I never used OOP in perl, either, because it was poorly implement, and I liked perl. I don't write functional code in C or imperative code in F#. The worst design decision I ever made was using custom types in an Oracle database...

    Playing to an environment's strengths is not bashing it; it's using your tools to best effect.
  3. In Topic: Should I be using OOP?

    Posted 1 Mar 2015

    If you're using PDO, you using OOP...

    Some PHP gurus might get mad at me, but I generally find OOP in PHP to be like a fish on a unicycle; rather absurd and sad.

    OOP is for organizing your data. In some instances, like a library (e.g. PDO) it make sense. However, instantiating objects isn't free and those objects only exist for the request and are gone.

    PHP has nice associate arrays that would fulfill the role of a messenger class. Each page is essentially an "object." Do you really need type safety when data is ultimately pushed out as text and pulled back as text? Or will each page end up figuring it out, anyway?

    While you can use classes for reusable code, but you can use functions for that as well.

    Short answer, if you are happy without OOP, then be happy.
  4. In Topic: Need a little help understanding relational calculus

    Posted 1 Mar 2015

    Hmm... I don't know squat about "relational calculus," I'm afraid. But where it's sort of applied, SQL, that I've got.

    For SQL, you should use JOIN syntax and avoid NOT IN at all costs. Though, your NOT IN seems almost theoretical, as you're not actually applying it to a data point directly. This stuff is a lot easier to understand if you have an actual, real, database you can play with.

    1. Your first answer will get all the beers sold in all the bars Joe frequents. It will also get duplicates. So, if only one bar serves Guinness, but others don't, the answer will be incorrect. Your second answer is... confusing.

    2. Since your NOT IN here doesn't line up with SQL, but appears to be getting used as a NOT EXIST, I'll say yes. :P

    3 4. I'm looking at this and it bears so little resemblance to real life, I honestly can't say. Sorry.

    Right, here's my answer, broken down.

    First, all Joe's bars:
    SELECT bar FROM Frequents WHERE drinker = 'Joe'

    Now, let's get a beer count from that subset:
    SELECT, count(*) as ServedInHowManyOfJoesBars
        FROM Serves s
            INNER JOIN Frequents f
                ON =
                    AND f.drinker = 'Joe'
        GROUP BY

    Now, check the count against the total number of bars:
        FROM Serves s
            INNER JOIN Frequents f
                ON =
                    AND f.drinker = 'Joe'
        GROUP BY
        HAVING count(*) = (SELECT count(*) FROM Frequents WHERE drinker = 'Joe')

    I'm not sure how useful that was to you, as it's not quite the "relational calculus" bend. However, in the applied world of RDBMS' you could actually use that.

    Hope this helps.
  5. In Topic: Just want to share my little progress)

    Posted 28 Feb 2015

    View PostMaskman, on 28 February 2015 - 02:42 AM, said:

    Although "print" and "return" are different things, I don't big difference between using them in a function. I mean: you can type print x and function will give you x, you can type return x and you get the same result...

    Right, if you have encode() and it asks the user for input prints out the result, fine. Then you have decode, which also asks the user and prints. What if you want to use your encode elsewhere? On some value from somewhere else?

    Here is the cycle you've set yourself up for:
    call encode function, enter data, see output, copy output somewhere
    call decode function, go find that output you've copied, type it exactly, see output and figure out if it's working.

    Conversely, leaving IO out of your function allows you do to this:
    e = encode(text)
    d = decode(e)
    print("given:", text)
    print("encoded:", e)
    print("decoded:", d)
    print("works:", (text==d))

    For how you're going to decode, you'd reasonably want:
    def getKeyFromFile(filename):
        # your code here
    def getKeyRandom(keySize):
        # your code here
        # this should be what you already have
    def encode(key, text):
        # your code here
    def decode(key, text)
        # your code here

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  1. Photo

    8byte Icon

    10 Jan 2014 - 11:08
    Awesome, thanks for all the help!
  2. Photo

    codiddle Icon

    07 Mar 2013 - 18:59
    GENIUS GUY HERE MAN. Write a book!
  3. Photo

    mamelove25 Icon

    19 Feb 2013 - 10:53
    Hello My Dear, My Name is Mame. i saw your profile today and became interested in you,i will also like to know you more,and if you can send an email to my email address,i will give you my pictures here is my email address ( I believe we can move from here! Am waiting for your mail to my email address above because i have much to tell you,
    love Miss Mame.
  4. Photo

    bilbil0629 Icon

    24 Oct 2012 - 05:39
    hey! you mongolian?
  5. Photo

    Ticon Icon

    20 Aug 2012 - 13:23
    I just noticed your an expert in cheese. I lol'd
  6. Photo

    mostyfriedman Icon

    18 Aug 2012 - 23:13
    Hello there Brett
  7. Photo

    MehrdadSecret Icon

    26 Jul 2012 - 05:51
    hello, can i have a contact email or Yahoo or something? Need ur help badly
  8. Photo Icon

    18 Apr 2012 - 23:17
    Thanks ! Solved My problem !
  9. Photo

    RetardedGenius Icon

    25 Oct 2011 - 14:29
    I agree so much with your opinion of incompetent CS teachers. So true!
  10. Photo

    WabiSabi Icon

    21 Oct 2011 - 11:00
    I agree with assert(C). However, I'd rather not specify what you are "the best" at.
  11. Photo

    assert(C) Icon

    20 Oct 2011 - 08:38
    You are the best
  12. Photo

    macosxnerd101 Icon

    30 Sep 2011 - 09:33
    Congrats on hitting the big 3k!
  13. Photo

    sjin Icon

    16 Aug 2011 - 18:41
    This guy is AWESOME! Cheers bro!
  14. Photo

    hulla Icon

    02 Aug 2011 - 02:50
    Wow that's alot of programming languages... :O
  15. Photo

    Aphex19 Icon

    04 Jul 2011 - 16:54
    Kudos to you baavgai, the most well deserved mentor on DIC in my opinion.
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