dictionary Archives - Page 18 of 20

Convert a String representation of a Dictionary to a dictionary?

How can I convert the str representation of a dict, such as the following string, into a dict? s = "{'muffin' : 'lolz', ...

April 15, 2022
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Should I use ‘has_key()’ or ‘in’ on Python dicts?

Given: >>> d = {'a': 1, 'b': 2} Which of the following is the best way to check if 'a' is in d? ...

April 15, 2022
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Collection was modified; enumeration operation may not execute

I can’t get to the bottom of this error, because when the debugger is attached, it does not seem to occur. Collection was ...

April 15, 2022
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How to check if a map contains a key in Go?

I know I can iterate over a map m by, for k, v := range m { ... } and look for a ...

April 14, 2022
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How can I initialise a static Map?

How would you initialise a static Map in Java? Method one: static initialiser Method two: instance initialiser (anonymous subclass) or some other method? ...

April 14, 2022
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Getting key with maximum value in dictionary?

I have a dictionary where keys are strings, and values are integers. stats = {'a': 1, 'b': 3000, 'c': 0} How do I ...

April 14, 2022
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How to copy a dictionary and only edit the copy

I set dict2 = dict1. When I edit dict2, the original dict1 also changes. Why? >>> dict1 = {"key1": "value1", "key2": "value2"} >>> ...

April 14, 2022
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How can I sort a dictionary by key?

What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5}? I checked some posts but ...

April 13, 2022
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How to directly initialize a HashMap (in a literal way)?

Is there some way of initializing a Java HashMap like this?: Map<String,String> test = new HashMap<String, String>{"test":"test","test":"test"}; What would be the correct syntax? ...

April 13, 2022
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