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Top Questions
86
votes
Why doesn't polymorphism work without pointers/references?
c++
pointers
polymorphism
virtual
asked Mar 3, 2013 at 18:06
stackoverflow.com
76
votes
When are x86 LFENCE, SFENCE and MFENCE instructions required?
multithreading
assembly
x86
cpu
memory-fences
asked Dec 22, 2014 at 1:40
stackoverflow.com
71
votes
Object creation on the stack/heap?
c++
initialization
heap-memory
stack-memory
asked Apr 14, 2012 at 20:31
stackoverflow.com
68
votes
Composite Primary key vs additional "ID" column?
sql
sql-server
database
database-design
asked Jan 29, 2013 at 17:09
stackoverflow.com
60
votes
How to get the CPU cycle count in x86_64 from C++?
c++
c
performance
x86
rdtsc
asked Dec 7, 2012 at 23:18
stackoverflow.com
55
votes
What is the quickest way of inserting/updating std::unordered_map elements without using an if?
c++
performance
unordered-map
asked Oct 5, 2013 at 12:27
stackoverflow.com
51
votes
What is lock-free multithreaded programming?
c++
c
multithreading
algorithm
locking
asked Dec 23, 2012 at 14:42
stackoverflow.com
50
votes
What's the difference between type and data type in Haskell?
haskell
typeclass
asked Oct 27, 2011 at 13:11
stackoverflow.com
49
votes
"zero copy networking" vs "kernel bypass"?
linux
networking
network-programming
operating-system
zero-copy
asked Aug 20, 2013 at 19:21
stackoverflow.com
47
votes
Fastest technique to pass messages between processes on Linux?
c++
linux
performance
ipc
latency
asked Jan 8, 2013 at 22:19
stackoverflow.com
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