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  • 幽默：程序员的进化[转]

    from http://coolshell.cn/?p=172

    实在是搞笑  不过那个大师级的对偶来说也忒难了 --

    2009年3月14日

    高中时期

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    1. 10 PRINT "HELLO WORLD"
    2. 20 END 

    大学新生

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    1. program Hello(input, output)  
    2. begin
    3. writeln(\'Hello World\')  
    4. end. 

    高年级大学生

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    1. #include <stdio.h>
    3. int main(void)  
    4. {  
    5.    printf("Hello, world!\\n");  
    6. return 0;  
    7. }  
    8. </stdio.h> 

    职业新手

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    1. #include <stdio.h>
    2. void main(void)  
    3. {  
    4. char *message[] = {"Hello ", "World"};  
    5. int i;  
    7. for(i = 0; i < 2; ++i)  
    8.     printf("%s", message[i]);  
    9.   printf("\\n");  
    10. }  
    11. stdio.h> 

    职业老手

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    1. #include <iostream>
    2. #include <string>
    3. using namespace std;  
    5. class string  
    6. {  
    7. private:  
    8. int size;  
    9. char *ptr;  
    11. string() : size(0), ptr(new char[1]) { ptr[0] = 0; }  
    13.    string(const string &s) : size(s.size)  
    14.    {  
    15.      ptr = new char[size + 1];  
    16.      strcpy(ptr, s.ptr);  
    17.    }  
    19.    ~string()  
    20.    {  
    21. delete [] ptr;  
    22.    }  
    24. friend ostream &operator <<(ostream &, const string &);  
    25.    string &operator=(const char *);  
    26. };  
    28. ostream &operator<<(ostream &stream, const string &s)  
    29. {  
    30. return(stream << s.ptr);  
    31. }  
    33. string &string::operator=(const char *chrs)  
    34. {  
    35. if (this != &chrs)  
    36.    {  
    37. delete [] ptr;  
    38.     size = strlen(chrs);  
    39.      ptr = new char[size + 1];  
    40.      strcpy(ptr, chrs);  
    41.    }  
    42. return(*this);  
    43. }  
    45. int main()  
    46. {  
    47.    string str;  
    49.    str = "Hello World";  
    50.    cout << str << endl;  
    52. return(0);  
    53. }  
    54. /string></iostream> 

    大师级

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    1.   [  
    2. uuid(2573F8F4-CFEE-101A-9A9F-00AA00342820)  
    3.   ]  
    4.   library LHello  
    5.   {  
    6. // bring in the master library
    7.       importlib("actimp.tlb");  
    8.       importlib("actexp.tlb");  
    10. // bring in my interfaces
    11.       #include "pshlo.idl"
    13.       [  
    14. uuid(2573F8F5-CFEE-101A-9A9F-00AA00342820)  
    15.       ]  
    16.       cotype THello  
    17.    {  
    18.    interface IHello;  
    19.    interface IPersistFile;  
    20.    };  
    21.   };  
    23.   [  
    24.   exe,  
    25. uuid(2573F890-CFEE-101A-9A9F-00AA00342820)  
    26.   ]  
    27.   module CHelloLib  
    28.   {  
    30. // some code related header files
    31.       importheader(<windows.h>);  
    32.       importheader(  
    33. <ole2.h>);  
    34.       importheader(<except.hxx>);  
    35.       importheader("pshlo.h");  
    36.       importheader("shlo.hxx");  
    37.       importheader("mycls.hxx");  
    39. // needed typelibs
    40.       importlib("actimp.tlb");  
    41.       importlib("actexp.tlb");  
    42.       importlib("thlo.tlb");  
    44.       [  
    45. uuid(2573F891-CFEE-101A-9A9F-00AA00342820),  
    46.       aggregatable  
    47.       ]  
    48.       coclass CHello  
    49.    {  
    50.    cotype THello;  
    51.    };  
    52.   };  
    54.   #include "ipfix.hxx"
    56. extern HANDLE hEvent;  
    58. class CHello : public CHelloBase  
    59.   {  
    60. public:  
    61.       IPFIX(CLSID_CHello);  
    63.       CHello(IUnknown *pUnk);  
    64.       ~CHello();  
    66. HRESULT  __stdcall PrintSz(LPWSTR pwszString);  
    68. private:  
    69. static int cObjRef;  
    70.   };  
    72.   #include <windows.h>
    73.   #include
    74. <ole2.h>  
    75.   #include <stdio.h>
    76.   #include <stdlib.h>
    77.   #include "thlo.h"
    78.   #include "pshlo.h"
    79.   #include "shlo.hxx"
    80.   #include "mycls.hxx"
    82. int CHello::cObjRef = 0;  
    84.   CHello::CHello(IUnknown *pUnk) : CHelloBase(pUnk)  
    85.   {  
    86.       cObjRef++;  
    87. return;  
    88.   }  
    90. HRESULT  __stdcall  CHello::PrintSz(LPWSTR pwszString)  
    91.   {  
    92.       printf("%ws
    93. ", pwszString);  
    94. return(ResultFromScode(S_OK));  
    95.   }  
    97.   CHello::~CHello(void)  
    98.   {  
    100. // when the object count goes to zero, stop the server
    101.   cObjRef--;  
    102. if( cObjRef == 0 )  
    103.       PulseEvent(hEvent);  
    105. return;  
    106.   }  
    108.   #include <windows.h>
    109.   #include
    110. <ole2.h>  
    111.   #include "pshlo.h"
    112.   #include "shlo.hxx"
    113.   #include "mycls.hxx"
    115. HANDLE hEvent;  
    117. int _cdecl main(  
    118. int argc,  
    119. char * argv[]  
    120.   ) {  
    121. ULONG ulRef;  
    122. DWORD dwRegistration;  
    123.   CHelloCF *pCF = new CHelloCF();  
    125.   hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);  
    127. // Initialize the OLE libraries
    128.   CoInitializeEx(NULL, COINIT_MULTITHREADED);  
    130.   CoRegisterClassObject(CLSID_CHello, pCF, CLSCTX_LOCAL_SERVER,  
    131.       REGCLS_MULTIPLEUSE, &dwRegistration);  
    133. // wait on an event to stop
    134.   WaitForSingleObject(hEvent, INFINITE);  
    136. // revoke and release the class object
    137.   CoRevokeClassObject(dwRegistration);  
    138.   ulRef = pCF->Release();  
    140. // Tell OLE we are going away.
    141.   CoUninitialize();  
    143. return(0); }  
    145. extern CLSID CLSID_CHello;  
    146. extern UUID LIBID_CHelloLib;  
    148.   CLSID CLSID_CHello = { /* 2573F891-CFEE-101A-9A9F-00AA00342820 */
    149.       0x2573F891,  
    150.       0xCFEE,  
    151.       0x101A,  
    152.       { 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }  
    153.   };  
    155.   UUID LIBID_CHelloLib = { /* 2573F890-CFEE-101A-9A9F-00AA00342820 */
    156.       0x2573F890,  
    157.       0xCFEE,  
    158.       0x101A,  
    159.       { 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }  
    160.   };  
    162.   #include <windows.h>
    163.   #include
    164. <ole2.h>  
    165.   #include <stdlib.h>
    166.   #include <string.h>
    167.   #include <stdio.h>
    168.   #include "pshlo.h"
    169.   #include "shlo.hxx"
    170.   #include "clsid.h"
    172. int _cdecl main(  
    173. int argc,  
    174. char * argv[]  
    175.   ) {  
    176. HRESULT  hRslt;  
    177.   IHello        *pHello;  
    178. ULONG  ulCnt;  
    179.   IMoniker * pmk;  
    180. WCHAR  wcsT[_MAX_PATH];  
    181. WCHAR  wcsPath[2 * _MAX_PATH];  
    183. // get object path
    184.   wcsPath[0] = \'\\0\';
    185.   wcsT[0] = \'\\0\';  
    186. if( argc > 1) {  
    187.       mbstowcs(wcsPath, argv[1], strlen(argv[1]) + 1);  
    188.       wcsupr(wcsPath);  
    189.       }  
    190. else {  
    191.       fprintf(stderr, "Object path must be specified\\n");  
    192. return(1);  
    193.       }  
    195. // get print string
    196. if(argc > 2)  
    197.       mbstowcs(wcsT, argv[2], strlen(argv[2]) + 1);  
    198. else
    199.       wcscpy(wcsT, L"Hello World");  
    201.   printf("Linking to object %ws\\n", wcsPath);  
    202.   printf("Text String %ws\\n", wcsT);  
    204. // Initialize the OLE libraries
    205.   hRslt = CoInitializeEx(NULL, COINIT_MULTITHREADED);  
    207. if(SUCCEEDED(hRslt)) {  
    209.       hRslt = CreateFileMoniker(wcsPath, &pmk);  
    210. if(SUCCEEDED(hRslt))  
    211.    hRslt = BindMoniker(pmk, 0, IID_IHello, (void **)&pHello);  
    213. if(SUCCEEDED(hRslt)) {  
    215. // print a string out
    216.    pHello->PrintSz(wcsT);  
    218.    Sleep(2000);  
    219.    ulCnt = pHello->Release();  
    220.    }  
    221. else
    222.    printf("Failure to connect, status: %lx", hRslt);  
    224. // Tell OLE we are going away.
    225.       CoUninitialize();  
    226.       }  
    228. return(0);  
    229.   }  
    230. </stdio.h></string.h></stdlib.h></ole2.h></windows.h></ole2.h></windows.h></stdlib.h></stdio.h></ole2.h></windows.h></except.hxx></ole2.h></windows.h> 

    黑客学徒

      #!/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;

    有经验的黑客

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

    老练的黑客

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

    超级黑客

      % echo "Hello, world."

    一线经理

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    1. 10 PRINT "HELLO WORLD"
    2. 20 END 

    中层经理

      mail -s "Hello, world." bob@b12
  Bob, could you please write me a program that prints "Hello, world."?
  I need it by tomorrow.
  ^D

    高级经理

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

    首席执行官

      % letter
  letter: Command not found.
  % mail
  To: ^X ^F ^C
  % help mail
  help: Command not found.
  % damn!
  !: Event unrecognized
  % logout

    来源：未知

    关于更多的“hello world”请参看：《Hello World 集中营》
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  • 原文地址：https://www.cnblogs.com/elanp/p/1663653.html
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