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How to find and return a duplicate value in array
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254
a = ["A", "B", "C", "B", "A"]
a.detect{ |e| a.count(e) > 1 }
I know this isn't very eleg...
What does the plus sign do in '+new Date'
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edited Aug 17 '15 at 12:20
dovid
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Constant pointer vs Pointer to constant [duplicate]
...shall not be modified.
const int a = 10;
const int* ptr = &a;
*ptr = 5; // wrong
ptr++; // right
While
int * const ptr;
declares ptr a const pointer to int type. You are not allowed to modify ptr but the object pointed to by ptr can be modified.
int a = 10;
int *const ptr = &a;
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What's the nearest substitute for a function pointer in Java?
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edited Dec 31 '15 at 5:02
Mateen Ulhaq
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Find (and kill) process locking port 3000 on Mac
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edited Jul 18 '18 at 14:56
Ronan Boiteau
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Finding Key associated with max Value in a Java Map
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Jon SkeetJon Skeet
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How to set dialog to show in full screen? [closed]
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5 Answers
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How do I change the IntelliJ IDEA default JDK?
... file.
– coder247
Jun 11 '19 at 12:45
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Python debugging tips [closed]
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edited Feb 4 '10 at 14:57
community wiki
8 r...
Preferred order of writing latitude & longitude tuples in GIS services
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If anyone else has issues with Google Maps and supplying a KML file to it, the order is Longitude/Latitude!! No documentation for the KML fi...