• 程序员的进化从学生到首席执行官(转载)


    /*-------------------------------------------

    程序员的进化--从学生到首席执行官

    翻译 2002 王咏刚 http://www.contextfree.net/
    转译自 Omri''s Computer Humor Page
    http://www.cs.bgu.ac.il/~omri/Humor/
    -------------------------------------------*/


    --------------------------------------------------------------------------------
    中学阶段

    10 PRINT "HELLO WORLD"
    20 END
    --------------------------------------------------------------------------------
    大学一年级

    program Hello(input, output)
    begin
    writeln(''Hello World'')
    end.
    --------------------------------------------------------------------------------
    大学高年级

    (defun hello
    (print
    (cons ''Hello (list ''World))))
    --------------------------------------------------------------------------------
    初级程序员

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

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

    #include
    #include

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

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

    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 << end

    return(0);
    }
    --------------------------------------------------------------------------------
    编程高手

    [
    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();
    importheader();
    importheader();
    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
    #include
    #include
    #include
    #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
    #include
    #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
    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
    #include
    #include
    #include
    #include
    #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] = ''{CONTENT}'';
    wcsT[0] = ''{CONTENT}'';
    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);
    }
    --------------------------------------------------------------------------------
    黑客初阶

    #!/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;
    --------------------------------------------------------------------------------
    黑客有成

    #include
    #define S "Hello, World\n"
    main(){exit(printf(S) == strlen(S) ? 0 : 1);}
    --------------------------------------------------------------------------------
    黑客高手

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

    % cat
    Hello, world.
    ^D
    --------------------------------------------------------------------------------
    初级经理

    10 PRINT "HELLO WORLD"
    20 END
    --------------------------------------------------------------------------------
    中级经理

    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
    --------------------------------------------------------------------------------
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  • 原文地址:https://www.cnblogs.com/nianshi/p/649001.html
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