The Problem is that the List elements that the user enters in Textfields are rendered correctly. After App restart, the elements are removed from the List and from UI too. Here is the code: I created a model class with…
I have code that is working as desired, but I don't understand how. I have two Lists: List<ProductInfo>_filter_data = []; List<ProductInfo>masterData = []; On app startup, build masterData from a datasheet. Within the app, filter the data based on user…
I have tried a number of methods that are suggested for similar sounding problems but I can't get them to work.... I am trying to get output from a JSON call into a data frame, but I can't find a…
I have a below JSON object that is retrieved by a query r = {'metaData': [{'columnAliases': ['ltp', 'mcap', 'wsma30uptrend','15 day contraction'], 'availableLimit': 477, 'maxRows': 1, 'isTrend': True, 'limit': 2, 'groups': ['symbol'], 'tradeTimes': [1692210600000], 'lastUpdateTime': 1692266340000}], 'groups': ['BALRAMCHIN', 'GHCL'], 'time': 138,…
I get a json response from a server that looks like this: {"status": "OK", "names": ["omegaChannel"]} And then I parse it like this: Map<String, dynamic> map = jsonDecode(response.body); The 'names' field of this map is a list of strings, so…
My goal is to split overlapping positions to use in HTML. For example I have this text: One two three I want to make the second and third words bold, and first two words italic. We got something like that:…
I welcome everyone. Can you please tell me how to compare 2 List, rounding the values, for example, to two decimal places? We have var list1 = [3425,5559394484, 2351,4392210480, -2384,4831199322]; var list2 = [3425,5559394472, 2351,4392210480, -2384,4831199122]; You need to compare…
I am new to programming and am having trouble figuring out how to loop over a list within a list using Python. I am working with output from the U.S. Census API that is formatted as follows: [['NAME', 'POP_2020', 'POP_2021',…
So I am currently in my final stages of finishing a webapp in React. In this stage I am looking for performance issues and I am trying to optimize the performance. So I have 3 components: RulePage, RuleList (Contains a…
I am used to constructing an empty List and then adding items to it. List<String> example = []; The index of the list is automatically created and taken care of so that I never have to think about it, but…