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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...ably won't show up on an x86, which just makes the problem more insidious; testing on x86 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardware; if you dereference an int* pointer that points to an odd address, it will be a little slower than if it were properly...
What is in your .vimrc? [closed]
...n a
" search will center on the line it's found in.
map N Nzz
map n nzz
" Testing
set completeopt=longest,menuone,preview
inoremap <expr> <cr> pumvisible() ? "\<c-y>" : "\<c-g>u\<cr>"
inoremap <expr> <c-n> pumvisible() ? "\<lt>c-n>" : "\<lt>...
How to measure time in milliseconds using ANSI C?
...] support clock_gettime(CLOCK_MONOTONIC, ...) and there's even the feature test macro _POSIX_MONOTONIC_CLOCK.
– omninonsense
Jul 31 '15 at 6:07
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Can someone explain the “debounce” function in Javascript
...t doesn't use clearTimeout.) That's why you should always try to use the latest version of your libraries. :-)
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...tracking/work tracking/release management/build management/check-in policy/testing built in.
– Matthew Whited
Jul 23 '18 at 17:39
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Maven parent pom vs modules pom
...n or egg problem but I just can't remember if it works and was too lazy to test it.
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...ing to the current commit, and
the branch being rebased on top of the latest "base" is based on commit B3,
it tries to find B3 by going through the output of "git rev-list --reflog base" (i.e. B, B1, B2, B3) until it finds a commit that is an ancestor of the current tip "Derived (topic)"...
What are bitwise shift (bit-shift) operators and how do they work?
...one as if( (unsigned)(x-1) <=(unsigned)(9-1)) Changing two conditional tests to one can be a big speed advantage; especially when it allows predicated execution instead of branches. I used this for years (where justified) until I noticed abt 10 years ago that compilers had started doing this tra...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...% %ldt:~8,2%:%ldt:~10,2%:%ldt:~12,6%
echo Local date is [%ldt%]
C:>test.cmd
Local date is [2012-06-19 10:23:47.048]
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How is Node.js inherently faster when it still relies on Threads internally?
...first of which (poor tuning) I believe is the real explanation for all the tests I've seen so far. ([edit], actually, the more I think about it, the more I'm wondering if the memory used by vast numbers of stacks might be significant here. The default stack sizes for modern threads tend to be pretty...