I have a column of type map, where the key and value changes. I am trying to extract the value and create a new column. Input: ----------------+ |symbols
I am new to class programming. I am trying to save initial attributes (which are a dictionary) of my object in its history, and then update history with the cha
Dictionaries are insertion ordered as of Python 3.6. It is described as a CPython implementation detail rather than a language feature. The documentation states
This is a question based on nested dictionaries. We are given a nested dictionary wherein in the outer dictionary, the name of the match is mentioned and the
I'm utilising a package which returns a nested dictionary. It feels awkward to access this return object in my class methods with the dictionary syntax, when ev
This feature can be implemented with 'map'. countrySet := map[string]bool{ "US": true, "JP": true, "KR": true, } But to ease the eyes of readers, 'set'
I very much want to use Map.computeIfAbsent but it has been too long since lambdas in undergrad. Almost directly from the docs: it gives an example of the ol
I'm a beginner working on the Automate the boring stuff with Python book. I'm stuck on this practice problem. The instructions are as follows: List to Dictiona
With Swift is it possible to create a dictionary of [String:[Object]] from an array of objects [Object] using a property of those objects as the String key for
I'm trying to port a custom class from Python 2 to Python 3. I can't find the right syntax to port the iterator for the class. Here is a MVCE of the real class
What is the most efficient way to organise the following pandas Dataframe: data = Position Letter 1 a 2 b 3 c 4 d 5
In Fiddler, I captured an HTTPS request with the following cookie string sent from the client (visible in Inspectors > Raw): Cookie: devicePixelRatio=1; ide
Inputs: list1 = [{'item_type':1,'value':55, 'title':'abc'},{'item_type':2,'value':43, 'title':'def'},{'item_type':3,'value':35, 'title':'ghi'}
Does Go have something similar to Python's in keyword? I want to check if a value is in a list. For example in Python: x = 'red' if x in ['red', 'green', 'ye
Earlier today, I read the question "Raise error if python dict comprehension overwrites a key" and decided to try my hand at an answer. The method that natural
I have this dictionary: statuses = { 'pending' : {'status_for':'all', 'position':1}, 'cancelled' : {'status_for':'all','position':2},
Is there a one-line way of deleting a key from a dictionary without raising a KeyError? if 'key' in my_dict: del my_dict['key']
I'm using a swift dictionary of type [UIImage:UIImage], and I'm trying to find a specific key for a given value. In Objective-C I could use allKeysForValue, bu
Many SO posts show you how to efficiently check the existence of a key in a dictionary, e.g., Check if a given key already exists in a dictionary How do I do t
for k, v in d.iteritems(): if type(v) is dict: for t, c in v.iteritems(): print "{0} : {1}".format(t, c) I'm trying to loop through a