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-   -   Evolution of Programmer (https://forum.armkb.com/languages-compilers-interpreters/14040-evolution-programmer.html)

acid 17.11.2004 12:53

Evolution of Programmer
 
.

Code:

Evolution of Programmer


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
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

 
New Manager
 
10 PRINT "HELLO WORLD"
20 END

 
Middle Manager
 
mail -s "Hello, world." [email protected]
Bob, could you please write me a program that prints "Hello,
world."?
I need it by tomorrow.
^D

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

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


RAMZES 17.11.2004 12:59

да, похоже

Obelix 17.11.2004 13:20

Боже, Senior Year это что?

AvDav 17.11.2004 13:59

Lisp vrode

W_z_rd 17.11.2004 16:31

Prikkkol`no :)


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