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Why doesn't .NET/C# optimize for tail-call recursion?
...what I know.
Sometimes tailcall is a performance win-win. It can save CPU. jmp is
cheaper than call/ret It can save stack. Touching less stack makes for
better locality.
Sometimes tailcall is a performance loss, stack win.
The CLR has a complex mechanism in which to pass more paramet...
Why can't I use Docker CMD multiple times to run multiple services?
...tween nodes, both of which assume there is only one application (source of CPU load) per container. Then there is the issue of vulnerabilities - more servers exposed in a container means more frequent patching of CVEs...
So let's admit that it is a 'nudge' from Docker (and Kubernetes/Openshift) des...
GDB corrupted stack frame - How to debug?
...rame (corrupt stack?)"; I've done something exactly like this in code in a CPU exception handler before, but couldn't remember other than info symbol how to do this in gdb.
– leander
Mar 8 '13 at 19:05
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The difference between fork(), vfork(), exec() and clone()
...
in fork(), either child or parent process will execute based on cpu selection..
But in vfork(), surely child will execute first. after child terminated, parent will execute.
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How do I verify/check/test/validate my SSH passphrase?
...le slow. Most of the programs could start up in a minute or more while the CPU usage was 100%. After restarting my laptop I could log in hardly as it took minutes to see my desktop. Finally I've found this issue on Ask Ubuntu. I had to start by gnome-keyring-daemon to resolve the issue.
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Should I use #define, enum or const?
...eters probably won't use any less stack than ints" is wrong. If you have a CPU with 8-Bit registers, a int need at least 2 registers while uint8_t needs only 1, so you will need more stack space because you are more likely to be out of registers (which is also slower and can increase code size (depe...
Find the nth occurrence of substring in a string
...actually have to copy the whole file into memory:
In [4]: %time s = mm[:]
CPU times: user 813 ms, sys: 3.25 s, total: 4.06 s
Wall time: 17.7 s
Ouch! Fortunately s still fits in the 4 GB of memory of my Macbook Air, so let's benchmark findnth():
In [5]: %timeit find_nth.findnth(s, '\n', 1000000)
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How can I maintain fragment state when added to the back stack?
...s well. It does not only keep fragment state, but also reduces the RAM and CPU load (because we only inflate layout if necessary). I can't believe Google's sample code and document never mention it but always inflate layout.
Version 1(Don't use version 1. Use version 2)
public class FragmentA exte...
Using msbuild to execute a File System Publish Profile
...me and properties
to suit you):
msbuild Website.csproj "/p:Platform=AnyCPU;Configuration=Release;PublishDestination=F:\Temp\Publish" /t:PublishToFileSystem
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Can two different strings generate the same MD5 hash code?
...ed attacker can produce 2 colliding assets in a matter of seconds worth of CPU power. So if you want to use MD5, make sure that such an attacker would not compromise the security of your application!
Also, consider the ramifications if an attacker could forge a collision to an existing asset in you...