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How do I read an entire file into a std::string in C++?
...ndant copies is to do the reading manually in a loop, unfortunately. Since C++ now has guaranteed contiguous strings, one could write the following (≥C++14):
auto read_file(std::string_view path) -> std::string {
constexpr auto read_size = std::size_t{4096};
auto stream = std::ifstream...
What is __gxx_personality_v0 for?
...r question. As mentioned on that answer, its use is defined by the Itanium C++ ABI, where it is called the Personality Routine.
The reason it "works" by defining it as a global NULL void pointer is probably because nothing is throwing an exception. When something tries to throw an exception, then y...
C++ convert vector to vector
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“static const” vs “#define” vs “enum”
...hink harder if you need to satisfy both at once.
If you were asking about C++, then you'd use option (1) — the static const — every time.
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...: 0;
top: 50%;
border-top: dashed 1px #ccc;
}
.child {
width: 200px;
height: 200px;
background: rgba(200, 198, 133, .5);
}
ul {
padding: 5% 20px;
}
.set1 .child {
margin: 0;
position: relative;
}
.set2 .child {
margin-left: 75px;
position: relative;
}
...
print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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Why does C++ require a user-provided default constructor to default-construct a const object?
The C++ standard (section 8.5) says:
5 Answers
5
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C++ mark as deprecated
I have a method in an interface that I want to deprecate with portable C++.
When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
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完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题问题描述：phpcms批量移动内容 文章，批量更新URL -> "批量更新内容页"后，发现原内容的评论、新闻心情全部丢失，这还不算差，后台评论排...问题描述：
phpcms...
C++ Exceptions questions on rethrow of original exception
...Base destructor, this=0x98e70b0
Also see:
Scope of exception object in C++
Throwing ... "by reference"
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