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How do I check OS with a preprocessor directive?
.... Here are a few of them, with links to where they're found:
Windows
_WIN32 Both 32 bit and 64 bit
_WIN64 64 bit only
Unix (Linux, *BSD, Mac OS X)
See this related question on some of the pitfalls of using this check.
unix
__unix
__unix__
Mac OS X
__APPLE__
__MACH__
Both are define...
What is meant by Resource Acquisition is Initialization (RAII)?
...ourceHandle {
public:
ManagedResourceHandle(RawResourceHandle* rawHandle_) : rawHandle(rawHandle_) {};
~ManagedResourceHandle() {delete rawHandle; }
... // omitted operator*, etc
private:
RawResourceHandle* rawHandle;
};
ManagedResourceHandle handle(createNewResource());
handle->perf...
C++ auto keyword. Why is it magic?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
using extern template (C++11)
...
Marek R
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answered Oct 23 '16 at 18:42
damirljdamirlj
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How can I output the value of an enum class in C++11
...
answered Jul 10 '12 at 20:32
James McNellisJames McNellis
319k7070 gold badges865865 silver badges944944 bronze badges
...
Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...rios :-)
– ashirley
May 9 '16 at 13:32
93
This is a fabulous answer. I think Docker documentation...
Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Do you (really) write exception safe code? [closed]
...
32
Writing exception-safe code in C++ is not so much about using lots of try { } catch { } blocks....
How to find out how many lines of code there are in an Xcode project?
...loc-1.56.pl' command. If your source code is located in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
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