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What is the difference between user and kernel modes in operating systems?
...ing/User_Mode_vs_Kernel_Mode
http://tldp.org/HOWTO/KernelAnalysis-HOWTO-3.html
http://en.wikipedia.org/wiki/Direct_memory_access
http://en.wikipedia.org/wiki/Interrupt_request
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...n: I highly recommend it:
http://www.joelonsoftware.com/articles/Unicode.html
And I honestly believe the best way to deal with "8-bit ASCII" vs "Win32 wide characters" vs "wchar_t-in-general" is simply to accept that "Windows is Different" ... and code accordingly.
IMHO...
PS:
I totally agree...
Best practices for circular shift (rotate) operations in C++
...s arrived! http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0553r4.html and should add it to the <bit> header.
cppreference says that the usage will be like:
#include <bit>
#include <bitset>
#include <cstdint>
#include <iostream>
int main()
{
std::uint8_t...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...
You may want to read http://research.google.com/pubs/pub37077.html
TL;DR: randomly inserting nop instructions in programs can easily increase performance by 5% or more, and no, compilers cannot easily exploit this. It's usually a combination of branch predictor and cache behaviour, but...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
... to CEDET manual (http://www.randomsample.de/cedetdocs/common/cedet/CScope.html):
semantic can use CScope as a back end for database searches. To enable it, use:
(semanticdb-enable-cscope-databases)
This will enable the use of cscope for all C and C++ buffers.
CScope will then be used for proj...
Why are regular expressions so controversial? [closed]
...nd pattern: 22min vs 2s. Here's the science: swtch.com/~rsc/regexp/regexp1.html
– hagello
Dec 1 '17 at 21:08
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How do you convert a byte array to a hexadecimal string, and vice versa?
...n GenerateTestInput in that same class.
Hit F5 and wait for the output (an HTML dump is also generated in the /bin folder).
static string ByteArrayToHexStringViaStringJoinArrayConvertAll(byte[] bytes) {
return string.Join(string.Empty, Array.ConvertAll(bytes, b => b.ToString("X2")));
}
st...
What characters are allowed in an email address?
...e to get an idea of why it's not so simple: regular-expressions.info/email.html
– Dan Herbert
Jan 12 '10 at 14:20
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Understanding typedefs for function pointers in C
...FnPtr)(2.0, 5.1);
This makes good reading: http://www.newty.de/fpt/index.html
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Is it safe to use Project Lombok? [closed]
..."delombok" your code afterwards http://projectlombok.org/features/delombok.html
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