hashmap Archives - IT Nursery

Java, Programming

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HashMap – getting First Key value

Below are the values contain in the HashMap statusName {Active=33, Renewals Completed=3, Application=15} Java code to getting the first Key (i.e Active) Object ...

June 3, 2022
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Java, Programming

IT Nursery

Difference between HashSet and HashMap?

Apart from the fact that HashSet does not allow duplicate values, what is the difference between HashMap and HashSet? I mean implementation wise? ...

June 2, 2022
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Java, Programming

IT Nursery

SparseArray vs HashMap

I can think of several reasons why HashMaps with integer keys are much better than SparseArrays: The Android documentation for a SparseArray says ...

June 2, 2022
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javascript, Programming

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How to create a simple map using JavaScript/JQuery [duplicate]

This question already has answers here: JavaScript hashmap equivalent (17 answers) Closed 6 years ago. How can you create the JavaScript/JQuery equivalent of ...

June 1, 2022
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Programming, Python

IT Nursery

Hash Map in Python

I want to implement a HashMap in Python. I want to ask a user for an input. depending on his input I am ...

May 31, 2022
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Programming, ruby

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Array to Hash Ruby

Convert this Array: a =...

May 29, 2022
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Programming, ruby

IT Nursery

How do I copy a hash in Ruby?

I’ll admit that I’m a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. ...

May 27, 2022
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Programming, ruby

IT Nursery

Ruby: How to turn a hash into HTTP parameters?

That is pretty easy with a plain hash like {:a => "a", :b => "b"} which would translate into "a=a&b=b" But what do ...

May 26, 2022
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Java associative-array

How can I create and fetch associative arrays in Java like I can in PHP? For example: $arr[0]['name'] = 'demo'; $arr[0]...

May 25, 2022
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What is the best way to use a HashMap in C++?

I know that STL has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this. Any ...

May 24, 2022
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