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How to initialize a struct in accordance with C programming language standards
...tializer to initialize a structure:
MY_TYPE a = { .flag = true, .value = 123, .stuff = 0.456 };
Edit: Other members are initialized as zero: "Omitted field members are implicitly initialized the same as objects that have static storage duration." (https://gcc.gnu.org/onlinedocs/gcc/Designated-In...
Why should I avoid std::enable_if in function signatures
...+11.
He wrote that one item in the book could be "Avoid std::enable_if in function signatures" .
3 Answers
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What is the difference between parseInt() and Number()?
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typeof parseInt("123") => number
typeof Number("123") => number
typeof new Number("123") => object (Number primitive wrapper object)
first two will give you better performance as it returns a primitive instead of an object.
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C/C++ maximum stack size of program
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Tru64 5.1: 5.2 MB
Cygwin: 1.8 MB
Solaris 7..10: 1 MB
MacOS X 10.5: 460 KB
AIX 5: 98 KB
OpenBSD 4.0: 64 KB
HP-UX 11: 16 KB
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Interview question: Check if one string is a rotation of other string [closed]
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Here's one using regex just for fun:
boolean isRotation(String s1, String s2) {
return (s1.length() == s2.length()) && (s1 + s2).matches("(.*)(.*)\\2\\1");
}
You can make it a bit simpler if you can use a special delimiter character guaranteed...
Basic HTTP and Bearer Token Authentication
...username:password@dev.myapp.com/api/users -H "Authorization: Bearer mytoken123"
^^^^^^^^^^^^^^^^^^
If above one doesn't work, then you have nothing to do with it. So try the following alternates.
You can pass the token under another name. Because you are handling the authorization ...
Why does “return list.sort()” return None, not the list?
...be reordered if we call l.sort():
>>> l = [1, 5, 2341, 467, 213, 123]
>>> l.sort()
>>> l
[1, 5, 123, 213, 467, 2341]
This method has no return value. But what if we try to assign the result of l.sort()?
>>> l = [1, 5, 2341, 467, 213, 123]
>>> r = l.so...
I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
...ectedListener = object : AdapterView.OnItemSelectedListener {
override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
print("onItemSelected position = $position id = $id")
}
override fun onNothingSelected(parent: AdapterView<*>) {
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Spring mvc @PathVariable
...nt to write a url to fetch some order, you can say
www.mydomain.com/order/123
where 123 is orderId.
So now the url you will use in spring mvc controller would look like
/order/{orderId}
Now order id can be declared a path variable
@RequestMapping(value = " /order/{orderId}", method=RequestMe...
How do I interpret precision and scale of a number in a database?
...efers to the maximum number of digits that are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
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