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How do I get the key at a specific index from a Dictionary in Swift?
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Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>'
– Chris
Mar 7 '15 at 19:12
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How to Sort a List by a property in the object
...and should be much more efficient than creating a new IEnumerable and then converting it to a new list.
– Jonathan Wood
Dec 30 '15 at 17:11
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Function for Factorial in Python
...ction will raise a DeprecationWarning. If you want to do that, you need to convert n to an int explicitly: math.factorial(int(n)), which will discard anything after the decimal, so you might want to check that n.is_integer()
– Boris
Nov 22 '19 at 11:47
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How to negate a method reference predicate
...ows how by explicitly casting the method reference to a Predicate and then converting it using the negate function. That is one way among a few other not too troublesome ways to do it.
The opposite of this:
Stream<String> s = ...;
int emptyStrings = s.filter(String::isEmpty).count();
is th...
Fastest sort of fixed length 6 int array
...n's SWAP macro. Update: I switched to Paolo Bonzini's SWAP macro which gcc converts into something similar to Gunderson's, but gcc is able to better order the instructions since they aren't given as explicit assembly.
I used the same swap order as the reordered swap network given as the best perfor...
What's the best way to get the last element of an array without deleting it?
...st a day, so if I need to do it again I will probably write something that converts the output of all 210 docker executions to a table automatically :-)
– Paul van Leeuwen
Sep 29 '18 at 20:07
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leading zeros in rails
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You can't store 01 as integer. It will be converted to 1
You can store it as a string, or you can show it as a string "01"
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
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A lambda expression can either be converted to a delegate type or an expression tree - but it has to know which delegate type. Just knowing the signature isn't enough. For instance, suppose I have:
public delegate void Action1();
public delegate void Action2...
Byte[] to InputStream or OutputStream
...se byte[] in my Java program as a mapping and to use this data I have to convert it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do this conversion?
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make arrayList.toArray() return more specific types
...being unable to use generic constructors. So while it knows you need it to convert you an object like String[] or MyObject[], it cannot instantiate it on its own.
– user1499731
Apr 18 '13 at 20:23
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