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How much is the overhead of smart pointers compared to normal pointers in C++?
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std::unique_ptr has memory overhead only if you provide it with some non-trivial deleter.
std::shared_ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter ...
How would one write object-oriented code in C? [closed]
What are some ways to write object-oriented code in C? Especially with regard to polymorphism.
32 Answers
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How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
Having trouble with what I thought was a relatively simple jQuery plugin...
23 Answers
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How can I check if a background image is loaded?
...follow
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edited Apr 28 '17 at 12:58
answered Feb 20 '11 at 16:31
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What are POD types in C++?
I've come across this term POD-type a few times.
What does it mean?
9 Answers
9
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How to solve the error LNK2019: unresolved external symbol - function?
I get this error, but I don't know how to fix it.
11 Answers
11
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... a hard error (often SIGBUS).
Mis-aligned access might be a soft error.
Either corrected in hardware, for a modest performance-degradation.
Or corrected by emulation in software, for a severe performance-degradation.
In addition, atomicity and other concurrency-guarantees might be broken, leading ...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...e，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbit...
Pretty-print an entire Pandas Series / DataFrame
I work with Series and DataFrames on the terminal a lot. The default __repr__ for a Series returns a reduced sample, with some head and tail values, but the rest missing.
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