程序员的进化--从学生到首席执行官

/*------------------------------------------- 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/
-------------------------------------------*/
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中学阶段 10 PRINT "HELLO WORLD"
20 END
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大学一年级 program Hello(input, output)
begin
writeln('Hello World')
end.
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大学高年级 (defun hello
(print
(cons 'Hello (list 'World))))
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初级程序员 #include
void main(void)
{
char *message[] = {"Hello ", "World"};
int i; for(i = 0; i <2; ++i)
printf("％s", message);
printf("n");
}
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编程老鸟 #include
#include class string
{
private:
int size;
char *ptr; public:
string() : size(0), ptr(new char('')) {} 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);
}
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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("％wsn", 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] = '';
wcsT[0] = '';
if( argc > 1) {
mbstowcs(wcsPath, argv[1], strlen(argv[1]) + 1);
wcsupr(wcsPath);
}
else {
fprintf(stderr, "Object path must be specifiedn");
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 ％wsn", wcsPath);
printf("Text String ％wsn", 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);
}
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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;
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黑客有成 #include
#define S "Hello, Worldn"
main(){exit(printf(S) == strlen(S) ? 0 : 1);}
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黑客高手 ％ cc -o a.out ~/src/misc/hw/hw.c
％ a.out
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黑客大虾 ％ cat
Hello, world.
^D
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初级经理 10 PRINT "HELLO WORLD"
20 END
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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
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高级经理 ％ zmail jim
I need a "Hello, world." program by this afternoon.
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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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