Top "64-bit" questions

How large is a DWORD with 32- and 64-bit code?

In Visual C++ a DWORD is just an unsigned long that is machine, platform, and SDK dependent. However, since DWORD …

c++ winapi 64-bit dword

Difference between x86, x32, and x64 architectures?

Please explain the difference between x86, x32 and x64? Its a bit confusing when it comes to x86 and x32 …

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Excel VBA Code: Compile Error in x64 Version ('PtrSafe' attribute required)

I am using Win8 x64 + Office 2013 x64. MY PROBLEM: I have an excel file, which has some modules in it, …

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Java 32-bit vs 64-bit compatibility

Will Java code built and compiled against a 32-bit JDK into 32-bit byte code work in a 64-bit JVM? Or …

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How to printf a 64-bit integer as hex?

With the following code I am trying to output the value of a unit64_t variable using printf(). Compiling the …

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Are 64 bit programs bigger and faster than 32 bit versions?

I suppose I am focussing on x86, but I am generally interested in the move from 32 to 64 bit. Logically, I …

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How to find if a native DLL file is compiled as x64 or x86?

I want to determine if a native assembly is complied as x64 or x86 from a managed code application (C#). …

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Class not registered Error

Running an application from Visual Studio 2012 on 64-bit computers, displays the following error message: Retrieving the COM class factory for …

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How do I detect whether 32-bit Java is installed on x64 Windows, only looking at the filesystem and registry?

I need to determine whether a particular system has 32-bit Java installed. I'm doing a remote query that only gives …

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Oracle 11g Express Edition for Windows 64bit?

I registered on http://Oracle.com in order to download 11g R2 Express edition database. But http://Oracle.com offered …

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