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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...ted if it wasn't done that way.
This way you can write fast code using 32-bit values in 64-bit mode without having to explicitly break dependencies all the time. Without this behaviour, every single 32-bit instruction in 64-bit mode would have to wait on something that happened before, even though ...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
I created a windows application developed in .NET 3.5 in a 32 bit Windows 2008 server. When deployed the application in a 64 bit server it shows the error "Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine ".
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Installing multiple instances of the same windows service on a server
So we've produced a windows service to feed data to our client application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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C++ preprocessor __VA_ARGS__ number of arguments
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I believe that's because MSVC is a bit nicer about "zero-length __VA_ARGS__" (which in C++, is technically a (nigh-universal, de facto standard) compiler extension up until C++20). Most (all?) compilers allow zero-length, but choke on the trailing comma if th...
How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]
How to open a URL in new tab instead of new window programatically?
6 Answers
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Is it possible to view RabbitMQ message contents directly from the command line?
Is it possible to view RabbitMQ message contents directly from the command line?
6 Answers
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How to check command line parameter in “.bat” file?
My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...
Trying to login to RDP using AS3
...but several bytes at its start are expected to be big endian numbers of 16 bit (short). This means, you have to write data in little endian as if it'll be interpreted as big endian. In order to convert the data from big endian to little endian, you can use a temporary ByteArray that has its endian s...
What does “The APR based Apache Tomcat Native library was not found” mean?
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yum install tomcat-native.x86_64
/Note:depending on Your architecture 64bit or 32bit package may have different extension/
That is all. After that You will find in the log file next informational message:
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true...
How can I determine if a .NET assembly was built for x86 or x64?
I've got an arbitrary list of .NET assemblies.
15 Answers
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