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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
...ined macros can be found here.
Here is an example for gcc:
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (64-bit only)
#else
//d...
How to make a SIMPLE C++ Makefile
...
Since this is for Unix, the executables don't have any extensions.
One thing to note is that root-config is a utility which provides the right compilation and linking flags; and the right libraries for building applications against root. That's just a ...
How does Python manage int and long?
...the maximum size in bytes a Python int can be.
This will be gigabytes in 32 bits, and exabytes in 64 bits.
Such a large int would have a value similar to 8 to the power of sys.maxsize.
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Eclipse reported “Failed to load JNI shared library” [duplicate]
...ure that your version of Eclipse and JDK match, either both 64-bit or both 32-bit (you can't mix-and-match 32-bit with 64-bit).
Second, the -vm argument in eclipse.ini should point to the java executable. See
http://wiki.eclipse.org/Eclipse.ini for examples.
If you're unsure of what version (64-b...
how to get program files x86 env variable?
...files(x86)% ==> C:\Program Files (x86)
On a 64-bit machine running in 32-bit (WOW64) mode:
echo %programfiles% ==> C:\Program Files (x86)
echo %programfiles(x86)% ==> C:\Program Files (x86)
On a 32-bit machine running in 32-bit mode:
echo %programfiles% ==> C:\Program F...
Link to all Visual Studio $ variables
...
PedroPedro
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Reload the path in PowerShell
...trator rights):
@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"
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Should JAVA_HOME point to JDK or JRE?
...onment).
The JDK contains everything the JRE has and more. If you're just executing Java programs, you can point to either the JRE or the JDK.
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how to check the dtype of a column in python pandas
... answer altho I'd probably do include[np.number] (to also include ints and 32 bit floats) for first line and exclude[object] for the second line. Strings are objects as far as dtypes are concerned. In fact, including 'string' with object gives me an error.
– JohnE
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Fatal error: “No Target Architecture” in Visual Studio
When I try to compile my c++ project using Visual Studio 2010 in either Win32 or x64 mode I get the following error:
11 Ans...