The Evolution of a Programmer

The Evolution of a Programmer

 
  • The Evolution of a Programmer
  • High School/Jr.High
  • First year in College
  • Senior year in College
  • New professional
  • Seasoned professional
  • Master Programmer
  • Apprentice Hacker
  • Experienced Hacker
  • Seasoned Hacker
  • Guru Hacker
  • AXE System programmer
  • Ultra high level programmer
  • New Manager
  • Middle Manager
  • Senior Manager
  • Chief Executive


  •       ===================

    High School/Jr.High


          ===================

          10 PRINT "HELLO WORLD"
          20 END

          =====================

    First year in College


          =====================

          program Hello(input, output)
          begin
          writeln('Hello World');
          end.

          ======================

    Senior year in College


          ======================

          (defun hello
          (print
          (cons 'Hello (list 'World))))

          ================

    New professional


          ================

          #include <stdio.h>
          void main(void)
          {
          char *message[] = {"Hello ", "World"};
          int i;

          for(i = 0; i < 2; ++i)
          printf("%s", message[i]);
          printf("\n");
          }

          ====================

    Seasoned professional


          =====================

          #include <iostream.h>
          #include <string.h>

          class string
          {
          private:
          int size;
          char *ptr;

          public:
          string() : size(0), ptr(new char('\0')) {}

          string(const string &s) : size(s.size)
          {
          ptr = new char[size + 1];
          strcpy(ptr, s.ptr);
          }

          ~string()
          {
          delete [] ptr;
          }

          friend ostream &operator <<(ostream &, const string &);
          string &operator=(const char *);
          };

          ostream &operator<<(ostream &stream, const string &s)
          {
          return(stream << s.ptr);
          }

          string &string::operator=(const char *chrs)
          {
          if (this != &chrs)
          {
          delete [] ptr;
          size = strlen(chrs);
          ptr = new char[size + 1];
          strcpy(ptr, chrs);
          }
          return(*this);
          }

          int main()
          {
          string str;

          str = "Hello World";
          cout << str << endl;

          return(0);
          }

          =================

    Master Programmer


          =================

          [
          uuid(2573F8F4-CFEE-101A-9A9F-00AA00342820)
          ]
          library LHello
          {
          // bring in the master library
          importlib("actimp.tlb");
          importlib("actexp.tlb");

          // bring in my interfaces
          #include "pshlo.idl"

          [
          uuid(2573F8F5-CFEE-101A-9A9F-00AA00342820)
          ]
          cotype THello
          {
          interface IHello;
          interface IPersistFile;
          };
          };

          [
          exe,
          uuid(2573F890-CFEE-101A-9A9F-00AA00342820)
          ]
          module CHelloLib
          {

          // some code related header files
          importheader(<windows.h );
          importheader(<ole2.h );
          importheader(<except.hxx );
          importheader("pshlo.h");
          importheader("shlo.hxx");
          importheader("mycls.hxx");

          // needed typelibs
          importlib("actimp.tlb");
          importlib("actexp.tlb");
          importlib("thlo.tlb");

          [
          uuid(2573F891-CFEE-101A-9A9F-00AA00342820),
          aggregatable
          ]
          coclass CHello
          {
          cotype THello;
          };
          };

          #include "ipfix.hxx"
          extern HANDLE hEvent;
          class CHello : public CHelloBase
          {
          public:
          IPFIX(CLSID_CHello);

          CHello(IUnknown *pUnk);
          ~CHello();

          HRESULT __stdcall PrintSz(LPWSTR pwszString);

          private:
          static int cObjRef;
          };

          #include <windows.h>
          #include <ole2.h>
          #include <stdio.h>
          #include <stdlib.h>
          #include "thlo.h"
          #include "pshlo.h"
          #include "shlo.hxx"
          #include "mycls.hxx"

          int CHello:cObjRef = 0;

          CHello::CHello(IUnknown *pUnk) : CHelloBase(pUnk)
          {
          cObjRef++;
          return;
          }

          HRESULT __stdcall CHello::PrintSz(LPWSTR pwszString)
          {
          printf("%ws\n", pwszString);
          return(ResultFromScode(S_OK));
          }


          CHello::~CHello(void)
          {

          // when the object count goes to zero, stop the server
          cObjRef--;
          if( cObjRef == 0 )
          PulseEvent(hEvent);

          return;
          }

          #include <windows.h>
          #include <ole2.h>
          #include "pshlo.h"
          #include "shlo.hxx"
          #include "mycls.hxx"

          HANDLE hEvent;

          int _cdecl main(
          int argc,
          char * argv[]
          ) {
          ULONG ulRef;
          DWORD dwRegistration;
          CHelloCF *pCF = new CHelloCF();

          hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);

          // Initialize the OLE libraries
          CoInitiali, NULL);

          // Initialize the OLE libraries
          CoInitializeEx(NULL, COINIT_MULTITHREADED);

          CoRegisterClassObject(CLSID_CHello, pCF, CLSCTX_LOCAL_SERVER,
          REGCLS_MULTIPLEUSE, &dwRegistration);

          // wait on an event to stop
          WaitForSingleObject(hEvent, INFINITE);

          // revoke and release the class object
          CoRevokeClassObject(dwRegistration);
          ulRef = pCF->Release();

          // Tell OLE we are going away.
          CoUninitialize();

          return(0); }

          extern CLSID CLSID_CHello;
          extern UUID LIBID_CHelloLib;

          CLSID CLSID_CHello = { /* 2573F891-CFEE-101A-9A9F-00AA00342820 */
          0x2573F891,
          0xCFEE,
          0x101A,
          { 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
          };

          UUID LIBID_CHelloLib = { /* 2573F890-CFEE-101A-9A9F-00AA00342820 */
          0x2573F890,
          0xCFEE,
          0x101A,
          { 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
          };

          #include <windows.h>
          #include <ole2.h>
          #include <stdlib.h>
          #include <string.h>
          #include <stdio.h>
          #include "pshlo.h"
          #include "shlo.hxx"
          #include "clsid.h"

          int _cdecl main(
          int argc,
          char * argv[]
          ) {
          HRESULT hRslt;
          IHello *pHello;
          ULONG ulCnt;
          IMoniker * pmk;
          WCHAR wcsT[_MAX_PATH];
          WCHAR wcsPath[2 * _MAX_PATH];

          // get object path
          wcsPath[0] = '\0';
          wcsT[0] = '\0';
          if( argc 1) {
          mbstowcs(wcsPath, argv[1], strlen(argv[1]) + 1);
          wcsupr(wcsPath);
          }
          else {
          fprintf(stderr, "Object path must be specified\n");
          return(1);
          }

          // get print string
          if(argc 2)
          mbstowcs(wcsT, argv[2], strlen(argv[2]) + 1);
          else
          wcscpy(wcsT, L"Hello World");

          printf("Linking to object %ws\n", wcsPath);
          printf("Text String %ws\n", wcsT);

          // Initialize the OLE libraries
          hRslt = CoInitializeEx(NULL, COINIT_MULTITHREADED);

          if(SUCCEEDED(hRslt)) {

          hRslt = CreateFileMoniker(wcsPath, &pmk);
          if(SUCCEEDED(hRslt))
          hRslt = BindMoniker(pmk, 0, IID_IHello, (void **)&pHello);

          if(SUCCEEDED(hRslt)) {

          // print a string out
          pHello->PrintSz(wcsT);

          Sleep(2000);
          ulCnt = pHello->Release();
          }
          else
          printf("Failure to connect, status: %lx", hRslt);

          // Tell OLE we are going away.
          CoUninitialize();
          }

          return(0);
          }

          =================

    Apprentice Hacker


          =================

          #!/usr/local/bin/perl
          $msg="Hello, world.\n";
          if ($#ARGV >= 0) {
          while(defined($arg=shift(@ARGV))) {
          $outfilename = $arg;
          open(FILE, ">" . $outfilename) || die "Can't write $arg: $!\n";
          print (FILE $msg);
          close(FILE) || die "Can't close $arg: $!\n";
          }
          } else {
          print ($msg);
          }
          1;

          ==================

    Experienced Hacker


          ==================

          #include <stdio.h>
          #define S "Hello, World\n"
          main(){exit(printf(S) == strlen(S) ? 0 : 1);}

          ===============

    Seasoned Hacker


          ===============

          % cc -o a.out ~/src/misc/hw/hw.c
          % a.out

          ===========

    Guru Hacker


          ===========

          % cat
          Hello, world.
          ^D

          =====================

    AXE System programmer


          =====================

          LL0:
          .seg "data"
          .seg "text"
          .proc 04
          .global _main
          _main:
          !#PROLOGUE# 0
          sethi %hi(LF26),%g1
          add %g1,%lo(LF26),%g1
          save %sp,%g1,%sp
          !#PROLOGUE# 1
          .seg "data1"
          L30:
          .ascii "Hello, World\012\0"
          .seg "text"
          .seg "data1"
          L32:
          .ascii "Hello, World\012\0"
          .seg "text"
          set L32,%o0
          call _strlen,1
          nop
          mov %o0,%i5
          set L30,%o0
          call _printf,1
          nop
          cmp %o0,%i5
          bne L2000000
          nop
          mov 0,%o0
          b L2000001
          nop
          L2000000:
          mov 0x1,%o0
          L2000001:
          call _exit,1
          nop
          LE26:
          ret
          restore
          LF26 = -96
          LP26 = 96
          LST26 = 96
          LT26 = 96
          .seg "data"

          0000000 0103 0107 0000 0060 0000 0020 0000 0000
          0000020 0000 0030 0000 0000 0000 0054 0000 0000
          0000040 033f ffff 8200 63a0 9de3 8001 1100 0000
          0000060 9012 2000 4000 0000 0100 0000 ba10 0008
          0000100 1100 0000 9012 2000 4000 0000 0100 00 ba10 0008
          0000100 1100 0000 9012 2000 4000 0000 0100 0000
          0000120 80a2 001d 1280 0005 0100 0000 9010 2000
          0000140 1080 0003 0100 0000 9010 2001 4000 0000
          0000160 0100 0000 81c7 e008 81e8 0000 0000 0000
          0000200 4865 6c6c 6f2c 2057 6f72 6c64 0a00 4865
          0000220 6c6c 6f2c 2057 6f72 6c64 0a00 0000 0000
          0000240 0000 000c 0000 0608 0000 006e 0000 0010
          0000260 0000 060b 0000 006e 0000 0014 0000 0286
          0000300 ffff ffec 0000 0020 0000 0608 0000 0060
          0000320 0000 0024 0000 060b 0000 0060 0000 0028
          0000340 0000 0186 ffff ffd8 0000 004c 0000 0386
          0000360 ffff ffb4 0000 0004 0500 0000 0000 0000
          0000400 0000 000a 0100 0000 0000 0000 0000 0012
          0000420 0100 0000 0000 0000 0000 001a 0100 0000
          0000440 0000 0000 0000 0020 5f6d 6169 6e00 5f70
          0000460 7269 6e74 6600 5f73 7472 6c65 6e00 5f65
          0000500 7869 7400
          0000504

          % axe_generate -f system.uhdl
          Application 'Exchange' generated
          2324042350000000 source code lines
          No Errors detected.
          Hardware retrieval...done OK
          Certification Test...done OK
          Packing..............done OK
          Delivery.............done OK
          Application 'Exchange' delivered to customer
          23456000 bytes/sec.
          End processing, 2345 seconds.

          ===========================

    Ultra high level programmer


          ===========================

          system.uhdl :

          SYSTEM
          CREATE ScreenWin
          SIZE 20000000/Unit=One
          DESTINATION Order.dest[One]
          OUTPUT CHARACTER['Hello world']
          END
          END

          ===========

    New Manager


          ===========

          10 PRINT "HELLO WORLD"
          20 END

          ==============

    Middle Manager


          ==============

          mail -s "Hello, world." bob@b12

          Bob, could you please write me a program that prints
          "Hello, world."? I need it by tomorrow.

          ^D

          ==============

    Senior Manager


          ==============

          % zmail all

          I need a "Hello, world." program by this afternoon.

          ===============

    Chief Executive


          ===============

          % message
          message: Command not found
          % pm
          pm: Command not found
          % letter
          letter: Command not found.
          % mail
          To: ^X ^F ^C
          help mail
          help: Command not found.
          >what
          what: Command not found
          >need help
          need: Command not found
          damn!
          !: Event unrecognized
          >exit
          exit: Unknown
          >quit
          %
          % logout

          Bipppp ! Mrs. Thompson? Please page Tommy for me. NOW!


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