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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...ods that are marked as const.
The mutable exception makes it so you can now write or set data members that are marked mutable. That's the only externally visible difference.
Internally those const methods that are visible to you can also write to data members that are marked mutable. Essentiall...
Difference between Rebuild and Clean + Build in Visual Studio
...ou execute Clean sln + Build sln, they will give a link error and let you know that immediately, instead of giving you an app with odd behavior.
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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As of PHP 7.0 type declarations allow scalar types, so these types are now available: self, array, callable, bool, float, int, string. The first three were available in PHP 5, but the last four are new in PHP 7. If you use anything else (e.g. integer or boolean) that will be interpreted as a cla...
Get generic type of class at runtime
...Zato Calling simply the code above returned the same exception for me. I know it's a bit late, but anyway, in my case, I had to call (Class<T>) ((ParameterizedType)getClass().getSuperclass().getGenericSuperclass()).getActualTypeArguments() to get to actual type arguments.
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Include another HTML file in a HTML file
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@wizzwizz4: Thanks to Greg, the sed command now also escapes single quotes and backslashes. Furthermore, I've added a bash script that does all the work for you. :-)
– Tafkadasoh
Jan 15 '18 at 6:40
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...mizing the one for no arguments more than the one with arguments; I don't know.
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What is the best algorithm for overriding GetHashCode?
...alue isn't a prime. (The multiplication constant is prime though. I don't know quite how important that is.)
This is better than the common practice of XORing hashcodes for two main reasons. Suppose we have a type with two int fields:
XorHash(x, x) == XorHash(y, y) == 0 for all x, y
XorHash(x, y) ...
How to return multiple objects from a Java method?
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If you know you are going to return two objects, you can also use a generic pair:
public class Pair<A,B> {
public final A a;
public final B b;
public Pair(A a, B b) {
this.a = a;
this.b = b;
}
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Getting distance between two points based on latitude/longitude
...("Result:", distance)
print("Should be:", 278.546, "km")
The distance is now returning the correct value of 278.545589351 km.
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Struct like objects in Java
...ever. Other JVM languages like Groovy, Scala, etc do support this feature now. - Alex Miller
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