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Cleaner way to update nested structures
...ess,
set = (p: Person, addr: Address) => p.copy(address = addr))
Now, compose them to get a lens that changes zipcode in a person:
val personZipCodeLens = personAddressLens andThen addressZipCodeLens
Finally, use that lens to change raj:
val updatedRaj = personZipCodeLens.set(raj, pers...
What is the difference between 'protected' and 'protected internal'?
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@Shimmy two years later, and yes. Now there is a way in C# 7.2. Its called private protected docs.microsoft.com/en-us/dotnet/csharp/language-reference/…
– Pauli Østerø
Nov 17 '17 at 19:19
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How to handle Back button with in the dialog?
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I know I'm too late, but thought to point to something. This additionally will also get triggered when the user clicks somewhere outside the dialog. So if you need to only override the back press option then this is not what you...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
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Now only if the PreferenceFragment was included in the compatibility package it would make sense to use it stackoverflow.com/questions/5501431/…
– christoff
Mar 29 '12 at 0:17
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Import package.* vs import package.SpecificType [duplicate]
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import a.*;
import b.*;
...
Foo f;
and class Foo exists in package a.
Now you check in your perfectly compiling code, and six months later, someone adds class Foo to package b. (Perhaps it's a third party lib that added classes in the latest version).
Poof! Now your code refuses to compile.
N...
How do I check/uncheck all checkboxes with a button using jQuery?
I am trying to check/uncheck all checkboxes using jQuery. Now by checking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall.
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Efficiency of Java “Double Brace Initialization”?
... }});
}};
return source;
}
}
The returned Map will now contain a reference to the enclosing instance of ReallyHeavyObject. You probably don't want to risk that:
Image from http://blog.jooq.org/2014/12/08/dont-be-clever-the-double-curly-braces-anti-pattern/
3. You can pret...
Changing an element's ID with jQuery
... arrived here double checking id reassignment - should this now be .prop( ... ) instead of .attr( ... )?
– Carl
Jan 23 '12 at 18:21
2
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How to run a shell script on a Unix console or Mac terminal?
I know it, forget it and relearn it again. Time to write it down.
7 Answers
7
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How to convert from System.Enum to base integer?
..., IComparable<T>, IEquatable<T>
{
return (T)(object)e;
}
Now you can call:
e.GetValue<int>(); //or
e.GetIntValue();
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