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What is the “FS”/“GS” register intended for?
...re intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files as simply addressable memory segments. No BS "Open file, write record, close file", just "Store this value into that virtual data segment" with dirty ...
What is private bytes, virtual bytes, working set?
...re's another problem here; just as shared libraries can allocate memory inside your application module, leading to potential false positives reported in your app's Private Bytes, your application may also end up allocating memory inside the shared modules, leading to false negatives. That means it'...
What's the fundamental difference between MFC and ATL?
...e Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Office was ever built on MFC, but I think the answer is no. Back in Win 3.1, Win 95 days, Office UI team would invent new controls, ...
Library? Static? Dynamic? Or Framework? Project inside another project
...s://github.com/jverkoey/iOS-Framework
This is a pretty straight-forward guide and doesn't have the disadvantage of dealing with "fake static libraries"... check it out for more info...
Once you've created your static library, it's as easy as including it as a submodule within Git for use across di...
Why is it bad practice to call System.gc()?
...
The reason everyone always says to avoid System.gc() is that it is a pretty good indicator of fundamentally broken code. Any code that depends on it for correctness is certainly broken; any that rely on it for performance are most likely broken.
You don't know ...
What are some compelling use cases for dependent method types?
...uently, in the absence of dependent method types, attempts to use them outside of that instance can be frustratingly difficult. This can turn designs which initially seem elegant and appealing into monstrosities which are nightmarishly rigid and difficult to refactor.
I'll illustrate that with an e...
How is this fibonacci-function memoized?
...cases where we don't want it to do that for us automatically.
(edit:) Consider these re-writes:
fib1 = f fib2 n = f n fib3 n = f n
where where where
f i = xs !! i f i = xs ...
Changing names of parameterized tests
... fInput= input;
fExpected= expected;
}
@Test
public void testFib() {
assertEquals(fExpected, fib(fInput));
}
private int fib(int x) {
// TODO: actually calculate Fibonacci numbers
return 0;
}
}
will give names like testFib[1: fib(1)=1] and ...
C++ unordered_map using a custom class type as the key
...ed to define two things:
A hash function; this must be a class that overrides operator() and calculates the hash value given an object of the key-type. One particularly straight-forward way of doing this is to specialize the std::hash template for your key-type.
A comparison function for equality;...
Git for beginners: The definitive practical guide
Ok, after seeing this post by PJ Hyett , I have decided to skip to the end and go with Git .
37 Answers
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