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Why can Java Collections not directly store Primitives types?
...store an int in a List<Integer> the Java compiler will automatically convert it to an Integer.
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Why do std::shared_ptr work
...t>, given the way you constructed it, is the normal one for Test, which converts the pointer to Test* and deletes it.
When you push your shared_ptr<Test> into the vector of shared_ptr<void>, both of those are copied, although the first one is converted to void*.
So, when the vector ...
Type converting slices of interfaces
I'm curious why Go does't implicitly convert []T to []interface{} when it will implicitly convert T to interface{} . Is there something non-trivial about this conversion that I'm missing?
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What is the best collation to use for MySQL with PHP? [closed]
...Ø Å are the last 3 of the alphabet. With utf8_general_ci, Ø and Å gets converted to O and A, which puts them in the completely wrong position when sorted (I am not sure how Æ is handled, as it is a ligature, not an accented character). This sort order is different in almost any language, e.g. N...
Truncate Two decimal places without rounding
...function for real-world usage of truncating a decimal in C#. This could be converted to a Decimal extension method pretty easy if you wanted:
public decimal TruncateDecimal(decimal value, int precision)
{
decimal step = (decimal)Math.Pow(10, precision);
decimal tmp = Math.Truncate(step * va...
How to convert a String into an ArrayList?
...0].toCharArray())); I'm trying to get first String of an string array, and convert that string into charArray and that charArray to List<Character>
– sofs1
Apr 19 '19 at 22:55
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constant pointer vs pointer on a constant value [duplicate]
...arse these type of declarations. I also recommend cdecl.org as a site that converts declarations, for example int (*(*foo)(void))[3], into meaningful English text ("declare foo as pointer to function (void) returning pointer to array 3 of int").
– jarmod
Jul 5 ...
How do I remove repeated elements from ArrayList?
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Although converting the ArrayList to a HashSet effectively removes duplicates, if you need to preserve insertion order, I'd rather suggest you to use this variant
// list is some List of Strings
Set<String> s = new LinkedHashSe...
What are the main purposes of using std::forward and which problems it solves?
In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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PHP - Extracting a property from an array of objects
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$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
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