Questions tagged [32bit-64bit]

Issues related to the use of a 64-bit vs a 32-bit architecture including portability issues.

2621 questions
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I need to get 32 bit qt libs

Is there a quick way to obtain a set of 32 bit qt libraries? I need to put them on my 64 bit ubuntu os which already has qt installed (64 bits).
yan bellavance
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Can I set two Different paths for two different versions of JDKs 32-bit and 64-bit

Hi I need to keep both the versions of JDKs - 32-bit and 64-bit. The reason being in my project I need few application to run on 32 bit and rest in 64 bit. So How can I set paths for two different JDKs in Environment Variable (PATH)? Thanks.
JavaQuest
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What are the non-obvious reasons a 32-bit app would fail on a 64-bit machine?

We have a 32-bit library written and compiled in Borland Delphi. This library is referenced by various other projects including a WCF Web Service hosted in IIS. The web service is compiled using the x86 option and everything works fine on a 32-bit…
Jennifer
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After updating to 1.8.0_25, I cannot use 32 and 64 bit java interchangeablely

I was running jre7 fine, and had both 32 and 64 bit runtime environments installed on my pc. However, after downloading a jdk, I noticed I needed to update my java. So, I did, uninstalled both iterations of java and then installed 32 and 64 bit jdk…
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Python: Error running batch file using subprocess.Popen() on 32 bit python

I have a batch file "test_msg_bat.bat" which works fine from command line but returns the error below from python subprocess popen. Error: 'msg' is not recognized as an internal or external command, operable program or batch file. Here is the python…
vjayky
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MS Access 2007 Database Application Compatability 32 bit 64 bit Issue

We have a 2007 Access database application that we would like to deploy to a large number of users at various sites with different versions of Access (some without an install of Access and just instructions to install the Access 2007 Run Time) for a…
smk081
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Identical F#.NET solution works in FSI under 32-bit OS, but not under 64-bit OS

I have an F#.NET solution with one project in VS 2013 that contains some managed C#.NET and unmanaged C++ DLL references. This solution runs perfectly in FSI under 32-bit Windows 7 Enterprise. However, if I copy everything in the solution to a…
bugfoot
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Trying to generate .ipa for both 32 and 64 bits

I developed an iOS app for iOS 5+ that is currently compiled for 32 bits. I'm using Xcode 6.1 and I've my project's Architectures value set to $(ARCHS_STANDARD_32_BIT) in Build Settings. If I change this to Standard architectures, Xcode says that I…
AppsDev
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Reinstalling Visual Studio 2013 on the same machine after a clean installation of Windows

I have VS2013 and am about to install it on a 32bit win7 computer. Will I be able to use the same VS2013 licence key when I install the 64bit win7 on the same computer? Or will it complain that the licence key has already been used on another…
oshirowanen
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FFI from 64-bit haskell to 64-bit windows dll causes access violation

I am running Windows 7 (64 bit). Using version 2014.2.0.0 of Haskell (64 and 32 bit). With a 32-bit dll and a 32-bit Haskell program this works just fine. With a 64-bit dll and a 64-bit Haskell program this does not work. Instead I get an access…
mcoill
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32bit exe on 64bit Python using py2exe

I need to make an 32bit exe file using py2exe. The problem is that my machine and Python are 64bit. Is there some simple way how to make 32bit using 64bit Python and py2exe? I heard that I should uninstall py2exe and install new py2exe 32bit, can…
Milano
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Use 64bit timestamp on a 32bit machine

We all know the Y2K problem , and this problem will arrive soon in 2038. All the Solution i was read it was say "use 64bit OS" , so i have a question; If my program was compiled with any 64-bit platform it`s possible to running on a machine that…
Abdullah AlHazmy
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How to let imported python modules use a builtin hash() function which behaves the same between 32 and 64 bit?

The following Python snippet behaves differently depending on whether the code is run on 32bit or 64bit architectures: PYTHONHASHSEED=0 python3 -c 'print(hash("a"))' On 32bit architectures it prints -845962679 while on 64bit architectures it prints…
josch
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/usr/bin/ld: cannot find -lXmu

I want to install netgen and try to compile the source code. During this I got the error message: U -L/usr/lib/x86_64-linux-gnu -ltk8.6 -ltcl8.6 -lGL -lXmu -lX11 -fopenmp -Wl,-rpath -Wl,/opt/netgen/lib /usr/bin/ld: cannot find -lXmu collect2: error:…
user3528789
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Causes the use of 64 bit variables in 32 bit code a performance penalty

I use Borland C++ Builder 2009 to build 32 bit executables. I need to change a huge portion of my code since I need to change (at least) one variable of almost all objects to a 64 bit variable, and it is used a lot in calculations etc. While doing…
Peter
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