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How do I check for C++11 support?
...n of the C++ standard supported see this
#if __cplusplus <= 199711L
#error This library needs at least a C++11 compliant compiler
#endif
It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to increase it already if they just have (partial) compiler-le...
How do I pass a unique_ptr argument to a constructor or a function?
...ts (the order of evaluation being unspecified), which could lead to subtle errors; by contrast, using mode 3 assures that no move from p takes place before the function call, so other arguments can safely access a value through p.
When used with std::shared_ptr, this mode is interesting in that wit...
Identify if a string is a number
...ails
– BlackTigerX
Oct 23 '14 at 22:05
try parsing 0,60 (that is a comma!) it is an invalid number but will be parsed ...
RESTful call in Java
...System.out.println(response.getEntity());
} else {
System.out.println("ERROR! " + response.getStatus());
System.out.println(response.getEntity());
}
Restlet Example
Form form = new Form();
form.add("x", "foo");
form.add("y", "bar");
ClientResource resource = new ClientResource("http:...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ct TestStuct
{
}
int size = sizeof(new TestStuct());
编译后，提示：
错误 1 “ConsoleApplication3.TestStuct”没有预定义的大小，因此 sizeof 只能在不安全的上下文中使用(请考虑使用 System.Runtime.InteropServices.Marshal.SizeOf)
修改为Marshal.SizeOf...
Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...
answered Feb 16 '16 at 2:05
yanghaognyanghaogn
67155 silver badges1414 bronze badges
...
Change date of git tag (or GitHub Release based on it)
...Phrogz/docubot.git
! [rejected] 1.0.1 -> 1.0.1 (already exists)
error: failed to push some refs to 'git@github.com:Phrogz/docubot.git'
hint: Updates were rejected because the tag already exists in the remote.
Instead, you must remove the tag locally:
git tag -d 1.0.1
Push that deleti...
How to extract the decision rules from scikit-learn decision-tree?
...-- in the code below have since been updated in walkthrough link after the errors were pointed out in pull requests #8653 and #10951. It's much easier to follow along now.
sample_id = 0
node_index = node_indicator.indices[node_indicator.indptr[sample_id]:
node_i...
Recursively counting files in a Linux directory
...s not recognize as a command or something similar. That's why you get that error message.
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What's the difference between using “let” and “var”?
...t baz = "Bazz";
console.log(baz);
}
console.log(baz); // ReferenceError
}
run();
The reason why let keyword was introduced to the language was function scope is confusing and was one of the main sources of bugs in JavaScript.
Take a look at this example from another stackoverflow questi...