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What techniques can be used to speed up C++ compilation times?
...into libraries can reduce compile time. By using shared libraries (.so or .dll), you can reduce linking time as well.
Get a Faster Computer
More RAM, faster hard drives (including SSDs), and more CPUs/cores will all make a difference in compilation speed.
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How do you run CMD.exe under the Local System Account?
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I just tried on Vista x64 and got "The PsExec service running on ... is an incompatible version." Tried direct from \\live.sysinternals.com\tools\psexec and latest binary. There doesn't seem to be x64 version
– ZXX
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Why does GCC generate such radically different assembly for nearly the same C code?
...different flavors of x86 if that is the native compiler you use, 32 bit vs 64 bit, etc? And then llvm (clang) for different targets?
Mystical has done an excellent job in the thought process required to work through the problem of analyzing/optimizing the code, expecting a compiler to come up with...
What Every Programmer Should Know About Memory?
...FAIK, all the arch-independent stuff still applies generally, e.g. to AArch64 / ARM32.
See also the Latency Bound Platforms section of this answer for important details about the effect of memory/L3 latency on single-threaded bandwidth: bandwidth <= max_concurrency / latency, and this is actuall...
Pry: show me the stack
...ay the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/posts_controller.rb @ line 7 PostsController#index:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1] pry(#<Pos...
How to send password securely over HTTP?
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The resulting string is encoded using
the RFC2045-MIME variant of Base64, except not limited to 76
char/line.
The authorization method and a space i.e. "Basic " is then
put before the encoded string.
source: Wikipedia: Authorization header
It might seem a bit complicated, but...
'float' vs. 'double' precision
...n't doubles
have 14 significant figures?
The encoding of a double uses 64 bits (1 bit for the sign, 11 bits for the exponent, 52 explicit significant bits and one implicit bit), which is double the number of bits used to represent a float (32 bits).
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How do I download a tarball from GitHub using cURL?
...& curl -L https://download.calibre-ebook.com/3.19.0/calibre-3.19.0-x86_64.txz | tar zx
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Is Java really slow?
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nosnos
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Why prefer two's complement over sign-and-magnitude for signed numbers?
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Stefano VernaStefano Verna
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