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How can I add reflection to a C++ application?
...s what you're going to get. Reflection like you're thinking about -- fully descriptive metadata available at runtime -- just doesn't exist for C++ by default.
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How is Docker different from a virtual machine?
...evel. That will clear up lot of things.
Note: I'm simplifying a bit in the description below. See references for more information.
How does virtualization work at a low level?
In this case the VM manager takes over the CPU ring 0 (or the "root mode" in newer CPUs) and intercepts all privileged calls...
Which iomanip manipulators are 'sticky'?
...are used. The parametrized manipulators are each different, here's a brief description of each:
setiosflags lets you manually set flags, a list of which can be fount here, so it is sticky.
resetiosflags behaves the similar to setiosflags except it unsets the specified flags.
setbase sets the ba...
What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...ing/testing I've done with these libs. Oh and I stole some of the positive description from Reed.
I'll mention up top that I went with GMTL despite it's idiosyncrasies because the Eigen2 unsafeness was too big of a downside. But I've recently learned that the next release of Eigen2 will contain def...
eval command in Bash and its typical uses
... code, to arrive at the final value executed by eval. (the following lines descriptive, not exact bash code):
1. eval varval="\$" + "$varname" # This substitution resolved in eval statement
2. .................. "$myvarname_a" # $myvarname_a previously resolved by for-loop
3. ...................
What is a lambda expression in C++11?
...
Big Thanks, fixed it in description and also ac
What is the 'dynamic' type in C# 4.0 used for?
...rongly typed language": Eric Lippert is not a fan of "strongly typed" as a description.
– Andrew Keeton
Aug 21 '19 at 18:59
...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ay find more efficient ways of executing the query than the purely logical description above but the final result must be the same)
I'll start off with an animated version of a full outer join. Further explanation follows.
Explanation
Source Tables
First start with a CROSS JOIN (AKA Cartesian Pro...
Explain “claims-based authentication” to a 5-year-old
...
Claim: what you claim to be true. This can be a piece of information or a description of a permission you're claiming to have. The system to which you present your claims only need to understand what the claim is/means and also be able to verify with the authority.
Authority: The system that puts...
Perl build, unit testing, code coverage: A complete working example
... => 'perl',
dist_abstract => 'HelloPerlBuildWorld short description',
dist_author => 'Author Name <email_addy@goes.here>',
build_requires => {
'Test::More' => '0.10',
},
);
$builder->create_build_script();
That's all the files you n...