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Targeting both 32bit and 64bit with Visual Studio in same solution/project
...es to outside managed assemblies with the same name but their own specific bitness (this also applies to COM interop assemblies)
The MSI package (which, as has already been noted, will need to target either x86 or x64)
Any custom .NET Installer Class-based actions in your MSI package
The assembly ...
What’s the best way to check if a file exists in C++? (cross platform)
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Seems to be a bit of a hazzle to install a huge third party library to do something that should be simple
– c0m4
Nov 6 '08 at 9:36
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How can one print a size_t variable portably using the printf family?
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Do not do this. It will fail on 64 bit Windows where size_t is 64 bit and long is 32 bit.
– Yttrill
Oct 10 '15 at 6:08
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R: rJava package install failing
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I am on R 2.15.3 ubuntu 12.04.2 64bit. when I update.packages() I get i notice that there is a rJava update. Installation from within R fails. When I apt-get install r-cran-rjava there is no update available. Why is this happening?
– ECI...
Setting an int to Infinity in C++
...;int>::max();
Which would be 2^31 - 1 (or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double>::infinity();
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String concatenation: concat() vs “+” operator
...thod should be faster. However, with more strings the StringBuilder method wins, at least in terms of performance.
The source code of String and StringBuilder (and its package-private base class) is available in src.zip of the Sun JDK. You can see that you are building up a char array (resizing as ...
How to detect if app is being built for device or simulator in Swift
...6) build configuration returns true when the code is compiled for the 32–bit iOS simulator.
If you are developing for a simulator other than iOS, you can simply vary the os parameter: e.g.
Detect the watchOS simulator
#if (arch(i386) || arch(x86_64)) && os(watchOS)
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#endif
Detect ...
SQL Server database backup restore on lower version
..., though, the Export operations will fail. You can always remove/add those bits manually to otherwise transcend SQL versions.
– Doctor Blue
Jun 2 '15 at 12:35
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What does “exited with code 9009” mean during this build?
... in my case providing the command with its full path solved the issue:
c:\windows\system32\xcopy.exe /Y C:\projectpath\project.config C:\compilepath\
Instead of just:
xcopy.exe /Y C:\projectpath\project.config C:\compilepath\
If I do not have the full path, it runs for a while after a restart...
Position of least significant bit that is set
...ng for an efficient way to determine the position of the least significant bit that is set in an integer, e.g. for 0x0FF0 it would be 4.
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