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How can I build a small operating system on an old desktop computer? [closed]
...le system yet ... not even partition table parsing; so we'd just deal with raw ranges of blocks on the disk at first).
At that point your boot loader should be able to pull new code across the serial line, dump it into a partition (yes, implement partition table handling of some sort ... whether it...
Switch statement fallthrough in C#?
...ts extreme, this goal results in our just writing in assembly, IL, or even raw op-codes, because the easiest compilation is where there is no compilation at all.
Conversely, the more the language expresses the intention of the programmer, rather than the means taken to that end, the more understanda...
live output from subprocess command
...t, just Python's actual stdout; see demo at end.
An int value. This is a "raw" file descriptor (in POSIX at least). (Side note: PIPE and STDOUT are actually ints internally, but are "impossible" descriptors, -1 and -2.)
A stream—really, any object with a fileno method. Popen will find the descr...
Is it possible to print a variable's type in standard C++?
...k. Additionally, the output of this depends on the compiler. It might be a raw type name or a name mangling symbol or anything in between.
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When to use LinkedList over ArrayList in Java?
...hough the CMS collector takes more resources and does not achieve the same raw throughput, it is a much better choice because it has more predictable and smaller latency.
ArrayList is only a better choice for performance if all you mean by performance is throughput and you can ignore latency. In m...
How do emulators work and how are they written? [closed]
...nclude code that interfaces with the host system's OS, for example to use drawing and sound.
Considering the very slow performance of old video games (NES/SNES, etc.), emulation is quite easy on modern systems. In fact, it's even more amazing that you could just download a set of every SNES game ev...
Why does Python print unicode characters when the default encoding is ASCII?
...he same as case (4).
Conclusions:
- Python outputs non-unicode strings as raw data, without considering its default encoding. The terminal just happens to display them if its current encoding matches the data.
- Python outputs Unicode strings after encoding them using the scheme specified in sys.s...
Solving “Who owns the Zebra” programmatically?
...f your own creation using a technique such as modus ponens to perform the draw the conclusions.
You will, of course, need to add some rules about zebras, since it isn't mentioned anywhere... I believe the intent is that you can figure out the other 4 pets and thus deduce the last one is the zebra?...
Expand a random range from 1–5 to 1–7
...e copies of each integer in the interval [1, 7], plus four zeroes. So the "raw" stream of results tends to an even mixture of [1, 7] values, plus some zeroes that occur a tad more frequently than any individual allowed value. But that doesn't matter because the zeros are stripped out, leaving just a...
Using std Namespace
...s are quite happy reading std::string, std::vector, etc. In fact, seeing a raw vector makes me wonder if this is the std::vector or a different user-defined vector.
I am always against using using namespace std;. It imports all sorts of names into the global namespace and can cause all sorts of non...