大约有 36,000 项符合查询结果（耗时：0.0376秒） [XML]
What Computer Science concepts should I know? [closed]
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Systems programming
Understands the entire programming stack, hardware (CPU + Memory + Cache + Interrupts + microcode), binary code, assembly, static and dynamic linking, compilation, interpretation, JIT compilation, garbage collection, heap, stack, memory addressing…
Source Code Version Contr...
Logging in Scala
...re sent to an actor which calls SLF4J from a dedicated thread pool. Trades CPU time for (much better) latency. github.com/oncue/journal
– Gary Coady
Jul 24 '15 at 12:03
add a ...
How do I debug error ECONNRESET in Node.js?
... if this? like socket.close() inside the error handler? because i think my CPU load is increasing after these errors (not sure)
– Samson
Jul 23 '13 at 9:49
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Parsing JSON with Unix tools
...f a parser that has to support recursion, and in this case, spends lots of CPU building trees for structures you don't care about. (If someone wrote a finite state transducer that did proper (depth-limited) JSON parsing, that would be fantastic! In the meantime we have "grep -o".)
To write maint...
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What is the meaning of “__attribute__((packed, aligned(4))) ”
...the word size, which increases the system's performance due to the way the CPU handles memory.
To align the data, it may be necessary to insert some meaningless bytes between the end of the last data structure and the start of the next, which is data structure padding.
gcc provides functionality...
Memcached vs. Redis? [closed]
... 3.2.6 or 3.2.10) warns to take that into account when looking at eg EngineCpuUtilization Metrics
– dwanderson
Apr 9 '18 at 17:15
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What is the difference between float and double?
...sion respectively C/C++ long double is far more variable depending on your CPU, compiler and OS. Sometimes it's the same as double, sometimes it's some system-specific extended format, Sometimes it's IEEE quad precision.
– plugwash
Feb 8 '19 at 5:27
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Elegant way to invert a map in Scala
...what you want, but if you aren't careful it can consume lots of memory and CPU. To force it into a map, you can do m.groupBy(_._2).mapVaues(_.keys).map(identity), or you could replace the call to .mapValues(_.keys) with .map { case (k, v) => k -> v.keys }.
– Mark T.
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Should I use char** argv or char* argv[]?
... says: argv is a non-null pointer pointing to at least 5 char*'s
// allows CPU to pre-load some memory.
int main(int c, char *argv[static 5]);
// says: argv is a constant pointer pointing to a char*
int main(int c, char *argv[const]);
// says the same as the previous one
int main(int c, char ** c...