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I have an app written in Visual C++. I can build either a 32bit version or 64 bit version.
Should I always build two versions to release or just 32 bit?
diligent hands rule....
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I always build two versions - debug and release, and they always use 64-bit instructions.
"They have a consciousness, they have a life, they have a soul! Damn you! Let the rabbits wear glasses! Save our brothers! Can I get an amen?"
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Or just 64-bit, if you want.
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Do you want to access more than 3.X Gb of memory with your app? Then 64 bit all the time. Otherwise it probably doesn't matter, unless your app relies on 32 bit libraries, like the old DirectMusic API. Then 32 bit all the time.
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ditto
"A little time, a little trouble, your better day"
Badfinger
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thanks for great info!![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
diligent hands rule....
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In addition to the previous suggestions:
if your app has to run on older machines with a 32 bits operating system, it must be 32 bits.
A 32 bits version will also run on 64 bits systems (with the mentioned limit on memory access).
Another thing that might confuse you is that a C# solution can contain 32- and 64-bits projects, which might give the impression that they can be "mixed".
These projects however cannot access each other and must be run standalone.
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RickZeeland wrote: Another thing that might confuse you is that a C# solution can contain 32- and 64-bits projects
A C++, or even a mixed, solution can also.
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good to know...
diligent hands rule....
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Southmountain wrote: Should I always build two versions to release or just 32 bit?
Other answers were all technical. But there is another very real side...
Who is using this? Are you selling it? Giving it away?
Presumably there was a 32 bit version so it is still be used? Are they using it because that is the only version or because they have 32 bit machines.
From the pure business side can you make money from both versions? Then release both versions.
From the personal side if people have been using the 32 bit one for years and download new ones then perhaps just for your own emotional state perhaps you should keep supporting them out of loyalty. You can even consider keeping an old computer set up just so you can insure that you can release a version (and test it.)
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Damn he's an old man, where did the years go?
Love that song.
Give me coffee to change the things I can and wine for those I can not!
PartsBin an Electronics Part Organizer - An updated version available! JaxCoder.com
Latest Article: Simon Says, A Child's Game
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We all collect them 
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Saw an Eric in concert ~1967 in San Marcos, TX.
He and his band did an excellent live performance.
Drove up from SAT in my 55 Chevy Convertible (black with white top)
with no reverse gear which made a memorable event.
Just be careful where one parks.
"A little time, a little trouble, your better day"
Badfinger
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Wordle 693 4/6
🟨🟨🟨⬛⬛
⬛🟨🟩🟨⬛
🟩⬛🟩🟩🟨
🟩🟩🟩🟩🟩
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More by luck than judgement, I think:
Wordle 693 2/6*
🟩🟨⬜⬜⬜
🟩🟩🟩🟩🟩
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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🟨🟨🟨⬜⬜
🟩🟩🟩🟩🟩
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Wordle 693 4/6
⬛⬛🟨⬛⬛
🟩⬛🟨🟩⬛
🟩⬛⬛🟩🟩
🟩🟩🟩🟩🟩
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Wordle 693 4/6
🟩🟨🟨⬜⬜
🟩⬜⬜🟩🟩
🟩⬜⬜🟩🟩
🟩🟩🟩🟩🟩
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Wordle 693 5/6
🟨⬜🟨⬜⬜
🟨⬜⬜⬜⬜
⬜🟨🟩🟨⬜
⬜⬜🟨🟩🟩
🟩🟩🟩🟩🟩
I guessed it, but didn't know the word.
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Wordle 693 2/6
🟩🟨⬛🟨⬛
🟩🟩🟩🟩🟩
Get me coffee and no one gets hurt!
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Wordle 693 5/6
⬜⬜🟨⬜⬜
⬜🟨⬜🟨⬜
⬜🟨🟨🟩⬜
🟨🟨⬜🟩🟩
🟩🟩🟩🟩🟩
hard one
"A little time, a little trouble, your better day"
Badfinger
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#Worldle #476 2/6 (100%)
🟩🟩🟩🟩⬜⬅️
🟩🟩🟩🟩🟩🎉
https://worldle.teuteuf.fr
pretty easy
"A little time, a little trouble, your better day"
Badfinger
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So, I just read "OpenAI, Microsoft, and Alphabet CEOs to discuss AI with Biden administration today" which I consider hilarious. Now, I cannot speak to how people in other countries perceive their federal/state/local governments, but here in the US, there are a few that despise the catatonic or epileptic fits our federal government goes through.
Years ago, I read an article about how the IRS has been trying for 4 decades to re-do the master control program that "implements" the US tax code. And I had an evil thought 
Drop the entire US tax code into ChatGPT or whatever the heck you do. According to the link below, the base tax code is 2600 pages. You then have to add all of the rulings and everything else that adjusts, modifies and clarifies Congress' intent.
Once input, ask the AI to clarify
As that famous quote from Jaws "you're gonna need a bigger boat"....
Interesting thought.
Charlie Gilley
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
Has never been more appropriate.
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A brilliant test case for these LLL AI systems! If the US tax code doesn't break one, it should be possible to enhance it with a plug-in that detects loopholes and contradictions. It will earn a seven-figure salary as a consultant for tax accountants and lawyers. 
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