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Author Topic: 20 years a programmer  (Read 4293 times)

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cem_devecioglu

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Re: 20 years a programmer
« Reply #60 on: 14 January 2009, 20:05:48 »

still I'm using vb6..And I find it pretty useful and quicker to develop than anything.. :D

and for web notepad + vbscript is still usefull ;D
« Last Edit: 14 January 2009, 20:07:28 by cem_devecioglu »
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TheBoy

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Re: 20 years a programmer
« Reply #61 on: 14 January 2009, 20:42:33 »

Quote
Quote
Quote
Our last surviving VB app is hated by everyone for maintenance, if a rewrite gets required it will end up in Visual Objects quicker than anything.
simply as thats what you're used to.


Looks like a mix between C++ and Clipper!
And thats a good thing?
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Martin_1962

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Re: 20 years a programmer
« Reply #62 on: 14 January 2009, 21:57:45 »

Quote
Quote
Quote
Quote
Our last surviving VB app is hated by everyone for maintenance, if a rewrite gets required it will end up in Visual Objects quicker than anything.
simply as thats what you're used to.


Looks like a mix between C++ and Clipper!
And thats a good thing?


Oooh yes object oriented (I like objects) and is based on the most powerful XBASE dialect there is. For data manipulation the xbase family especially Clipper and VO are definately the dogs danglies.

And a large amount of our current software uses it and is pretty powerful VC used for the machine control and the optimiser.

The database engine we use, usually wins in head to head client server competitions - partly because it is one of the fastest around, and is nice to use as you can use either SQL or ISAM access, ISAM is sodding quick!
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cem_devecioglu

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Re: 20 years a programmer
« Reply #63 on: 14 January 2009, 22:00:38 »

Quote
Quote
Quote
Quote
Quote
Our last surviving VB app is hated by everyone for maintenance, if a rewrite gets required it will end up in Visual Objects quicker than anything.
simply as thats what you're used to.


Looks like a mix between C++ and Clipper!
And thats a good thing?


Oooh yes object oriented (I like objects) and is based on the most powerful XBASE dialect there is. For data manipulation the xbase family especially Clipper and VO are definately the dogs danglies.

And a large amount of our current software uses it and is pretty powerful VC used for the machine control and the optimiser.

The database engine we use, usually wins in head to head client server competitions - partly because it is one of the fastest around, and is nice to use as you can use either SQL or ISAM access, ISAM is sodding quick!

its been long time nobody talk about it.. wonder some programmers even know what it is ;D
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Martin_1962

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Re: 20 years a programmer
« Reply #64 on: 14 January 2009, 22:03:10 »

Quote
Quote
Quote
Quote
Quote
Quote
Our last surviving VB app is hated by everyone for maintenance, if a rewrite gets required it will end up in Visual Objects quicker than anything.
simply as thats what you're used to.


Looks like a mix between C++ and Clipper!
And thats a good thing?


Oooh yes object oriented (I like objects) and is based on the most powerful XBASE dialect there is. For data manipulation the xbase family especially Clipper and VO are definately the dogs danglies.

And a large amount of our current software uses it and is pretty powerful VC used for the machine control and the optimiser.

The database engine we use, usually wins in head to head client server competitions - partly because it is one of the fastest around, and is nice to use as you can use either SQL or ISAM access, ISAM is sodding quick!

its been long time nobody talk about it.. wonder some programmers even know what it is ;D


ISAM - been using the technology myself for longer than been a professional programmer. Makes more sense to me than SQL as well, just easier, and I like controlling locking ect myself
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cem_devecioglu

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Re: 20 years a programmer
« Reply #65 on: 14 January 2009, 22:10:07 »

Quote
Quote
Quote
Quote
Quote
Quote
Quote
Our last surviving VB app is hated by everyone for maintenance, if a rewrite gets required it will end up in Visual Objects quicker than anything.
simply as thats what you're used to.


Looks like a mix between C++ and Clipper!
And thats a good thing?


Oooh yes object oriented (I like objects) and is based on the most powerful XBASE dialect there is. For data manipulation the xbase family especially Clipper and VO are definately the dogs danglies.

And a large amount of our current software uses it and is pretty powerful VC used for the machine control and the optimiser.

The database engine we use, usually wins in head to head client server competitions - partly because it is one of the fastest around, and is nice to use as you can use either SQL or ISAM access, ISAM is sodding quick!

its been long time nobody talk about it.. wonder some programmers even know what it is ;D


ISAM - been using the technology myself for longer than been a professional programmer. Makes more sense to me than SQL as well, just easier, and I like controlling locking ect myself

Have advantages and disadvantages..

But nowadays SQL seems to be more simple  :-/

anyway I dont have to pay the SQL licenses when working for govt ;D
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TheBoy

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Re: 20 years a programmer
« Reply #66 on: 14 January 2009, 22:10:32 »

Pure ISAM is fast, but usually too limiting for most applications. Its also hopeless at related tables, requiring too many requests being fired off to the server.

I wrote a couple of ISAM database engines for my brother's epos systems back in the 1980s, but now using SQL.
« Last Edit: 14 January 2009, 22:12:41 by TheBoy »
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tunnie

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Re: 20 years a programmer
« Reply #67 on: 14 January 2009, 22:12:23 »

guess who has been programming in SAS most of the day  ::)

My code is almost there, another few hours and its off my to-do list, and hopefully get some big brownie points for something  :-X
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cem_devecioglu

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Re: 20 years a programmer
« Reply #68 on: 14 January 2009, 22:19:31 »

Quote
ISAM is fast, but usually too limiting for most applications. Its also hopeless at related tables, requiring too many requests being fired off to the server.

I wrote a couple of ISAM database engines for my brother's epos systems back in the 1980s, but now using SQL.

Problem with ISAM is its implementation was designed when memories for servers are unbelievably small..

Later come the VSAM which is far superior which I tried to implement
under C..(under unix with semaphores for locking)

But SQL is another world in terms of relation which requires serious memory for complicated joins.. But  on the background VSAM based Btree indexes work still :)  but mostly on cached index pages on memory ..
« Last Edit: 14 January 2009, 22:22:12 by cem_devecioglu »
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TheBoy

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Re: 20 years a programmer
« Reply #69 on: 14 January 2009, 22:38:04 »

Quote
Quote
ISAM is fast, but usually too limiting for most applications. Its also hopeless at related tables, requiring too many requests being fired off to the server.

I wrote a couple of ISAM database engines for my brother's epos systems back in the 1980s, but now using SQL.

Problem with ISAM is its implementation was designed when memories for servers are unbelievably small..

Later come the VSAM which is far superior which I tried to implement
under C..(under unix with semaphores for locking)

But SQL is another world in terms of relation which requires serious memory for complicated joins.. But  on the background VSAM based Btree indexes work still :)  but mostly on cached index pages on memory ..
 
I modified my original post, I was referring to pure ISAM - most SQL implementations are based on an enhanced ISAM, so technically are ISAM.

Sometimes its faster to split the multiple joins queries into seperate queries, leaving client to sort the joins, taking the load off the server.  Obviously SPs can make things nice and easy, and fast, on SQL.
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cem_devecioglu

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Re: 20 years a programmer
« Reply #70 on: 14 January 2009, 22:48:47 »

Quote
Quote
Quote
ISAM is fast, but usually too limiting for most applications. Its also hopeless at related tables, requiring too many requests being fired off to the server.

I wrote a couple of ISAM database engines for my brother's epos systems back in the 1980s, but now using SQL.

Problem with ISAM is its implementation was designed when memories for servers are unbelievably small..

Later come the VSAM which is far superior which I tried to implement
under C..(under unix with semaphores for locking)

But SQL is another world in terms of relation which requires serious memory for complicated joins.. But  on the background VSAM based Btree indexes work still :)  but mostly on cached index pages on memory ..
 
I modified my original post, I was referring to pure ISAM - most SQL implementations are based on an enhanced ISAM, so technically are ISAM.

Sometimes its faster to split the multiple joins queries into seperate queries, leaving client to sort the joins, taking the load off the server.  Obviously SPs can make things nice and easy, and fast, on SQL.

Actually they use B+tree index structures mostly ,regardless of the name..Only exceptions are some hashing indexes which are rarely in use..




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Ian_D

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Re: 20 years a programmer
« Reply #71 on: 14 January 2009, 23:56:12 »

I use VB6 a little bit, and still use good old QBasic too!  :y

Want to learn all about the PIC chips, so I ordered a few from maplin, and also got a programming board kit thing from them too. Used it a couple of times using sample files, and thats as far as ive got - just dont have enough hours in the day.  :'(

Also use notepad for basic HTML / ASP.

I've not got round to vb.net yet, but its something I will look at this year (I hope!)
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