Questions tagged [mapping]
Corresponding every element of a given set to a unique element of another set or it may refer to a process of creating data element mappings between two distinct data models (objects)
mapping
9,864
questions
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Optimizing data processing with AWS Lambda and DynamoDB [closed]
I'm currently working on a C++ codebase that processes high-throughput data, generating around 5000 records per second. These records are sent in batches to AWS Kinesis Firehose. The data has a column ...
0
votes
1
answer
73
views
Get values from for each sheet and put values in another sheet
I am trying to get ranges from all tabs and put values in a specific tab called 'Data' at P col.
I have range values at A2:B between all tabs and am trying to get values by mapping method.
The issue ...
- 25
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0
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26
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Mapping Values using modern packages [closed]
I do have two different tables. How can I put radiant_team_name based on radiant_team_id that will be based on team_id from the second table? Thank you!
I tried to do mapvalues function from plyr and ...
- 5
-1
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0
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19
views
Orika Mapper map abstract tree Object
I have an abstract tree class:
public abstract class TreeBase {
private String fieldName;
private List<TreeBase > treeNodeChildren = new ArrayList<>();
...
0
votes
0
answers
6
views
Unable to download GNSS data
we are using a landmeter gps device to determine coordinates of some agricultural research fields to downland the data. The manual states to use h-data software. Does anybody have any knowledge of ...
2
votes
1
answer
28
views
Why does mapboxapi return a skewed map with apparently incorrect latitude and misplaced relative to data?
I am trying to create several maps across wide latitudinal extents. I am using the Mapbox maps through mapboxapi in R. I would like to know how to do this correctly so that both the map and the data I ...
- 47
0
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0
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7
views
Decoding a mapping in Solidity: Type library IterableMapping is not implicitly convertible to expected type struct IterableMapping.Map storage pointer
Context
I am storing the content of the following mapping into a file:
pragma solidity >=0.8.25 <0.9.0;
import "test/TestConstants.sol";
library IterableMapping {
// Iterable ...
- 2,584
0
votes
1
answer
58
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GoLang - looping through array of structs - can I map?
I'm new to GoLang, coming from Node. A little late to the (definitely not functional) game and need some help understanding approaches, and perhaps just understanding...
I want to omit an item from a ...
- 646
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votes
0
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42
views
How to provide a circle radius that represents real-world distance on an OpenLayers map?
I want to plot a circular Polygon feature that covers 200 hectares on an OpenLayers map. The projection of the map and data is set to EPSG:3857.
I believe the solution lies in this code (source), but ...
- 131
2
votes
3
answers
68
views
The problem of mapping in creating a Generic Method
This Is My Models :
public class Result1
{
public string Price { get; set; }
public string Id { get; set; }
}
public class Result2
{
public string firstName { get; set; ...
- 31
0
votes
1
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78
views
how to redirect the 400 error in tomcat 9 version with custom error page
i tried to redirect the 400 error with my custom error page but its not working.
400 only not redirect, 404 and 500 its working fine
1:
<error-page>
<error-code>400</error-code&...
1
vote
0
answers
18
views
Issue with Conditional Mapping in Abstract and Derived Classes Leading to EF6 SaveChanges Error
The OfType part of the query doesn't work as expected, and there’s an error when saving changes in the database.
Code:
using System;
using System.Data.Entity;
using System.Data.Entity....
0
votes
0
answers
17
views
Type Mismatch while using FlatFileItemReader BeanWrapperFieldSetMapper from String to Date
I am trying to batch process a file which has date field. Now when I fetch Date field using FlatFileItemReader it comes as a String.
I am trying to map it to following entity
@Entity
@Data
public ...
- 23
1
vote
1
answer
54
views
How to map table references in a JSON file to corresponding values in an Excel file using Python?
I have an Excel file containing a list of requirements in 1 column and a JSON file that stores table values. The requirements in the Excel file include references to tables in the JSON file, formatted ...
- 13
0
votes
0
answers
33
views
How to map value objects in dapper
i have the following entity
using MedRaise.Domain.Enums;
namespace MedRaise.Domain.Entities;
public class Appointment : Entity
{
private Guid _clinicId;
private DateTime _date;
private ...
1
vote
1
answer
22
views
Set property without mapping in mapper Java Mapstruct
I have a mapper like:
Cat toAnotherCat(Cat origin);
And I need an another mapper like that (CatsHouse has a property: Cat oneOfCats;):
CatsHouse toNewCatsHouse(CatsHouse catsHouse)
When I run Maven ...
-3
votes
1
answer
51
views
.map function in react is bringing a error [closed]
I am writing this code in which i have to map an array in some divs...
there is first code which has the mapping and the ui
import { useContext } from "react";
import "./index.scss"...
-1
votes
0
answers
20
views
Types Not Defined in new AutoMapper NuGet Package
I'm trying to update the AutoMapper NuGet package to a newer version. It looks like IMappingEngine, MappingEngine, and ConfigurationStore have been removed and all are throwing a "not defined&...
- 2,225
2
votes
1
answer
35
views
Rotating/angle of ggplot key_glpyh, custom legend key glyph
I am trying to emulate a plot style ive seen online, created by Chris Canipe (https://www.axios.com/2017/12/15/the-flow-of-goods-between-states-1513304375). Looking at trade flows, I've managed to ...
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0
votes
1
answer
19
views
How to map EDI file looped items in Boomi?
This is my EDI file:
UNH+19472232+ORDERS:D:96A:UN:EAN008'
BGM+220::9+19472232'
DTM+137:20170823:102'
DTM+2:20171031:102'
NAD+BY+8714252029536::9'
NAD+SU+4046568000003::9'
NAD+DP+8714252029536::9'
NAD+...
0
votes
0
answers
13
views
How do you combine two json map files?
I am looking to map data across local authorities in the UK, but the only json files of LAs I have been able to find are of GB only (England, Scotland, Wales), whereas I want to include data for ...
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1
vote
2
answers
75
views
Map projections using ggplot
I used Chatgpt to make a plot based on the following:
Using R, I want to create an array with 50x50 grid cells with 10 degrees spacing east-west (x coordinate) and 10 degrees north-south (y ...
- 11
0
votes
1
answer
67
views
Mapping nested JSON Object to SQL table through Data flow in Azure Data Factory
I have a JSON object containing a nested array without keys. I want to extract all elements from this nested array, assign each element to a separate column with appropriate names, and sink the data ...
- 35
0
votes
0
answers
18
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bulk convert lon lat coordinates to EPSG 3031 (antarctic) coordinates using python
I am trying to write a code that will bulk convert lon lat coordinates to EPSG 3031 so that I can plot them in the Polar ToolKit through Python. I have lon lat coordinates on an excel sheet. How can ...
- 47
0
votes
1
answer
44
views
mapstruct, nested classes avoid writing mapper for each nested class
I have source and target classes that look like this
class UserHistorySource {
private DetailsSource details;
}
and
class DetailsSource {
private List<BalanceSource> balance;
private ...
- 1,506
0
votes
0
answers
64
views
DataByte to List<int> using map function?
I have a buffer byteBuffer in ByteData format that is 500 bytes long. It's a list of 250 Uint16 values. I can convert it to List using a loop with the following code (and it works).
List<int> ...
0
votes
1
answer
59
views
Adding Census Tract to a dataframe based on Latitude and Longitude
I have a large dataset, with two of the following columns:
Latitude Longitude
39.18207 -76.53715
39.18207 -76.53715
39.17810 -76.52680
39.17810 -76.52680
39.17810 ...
- 93
1
vote
0
answers
30
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connecting and disconnecting to OPCUA server not working
So in my while loop, in the first iteration i do get values for PLC Phoenix Contact and Bachman 1, but when trying to re iterate for the second time, it gives me an error for both PLC' stating
'An ...
- 11
0
votes
0
answers
21
views
How to use ApplyConfigurationsFromAssembly?
Solution structure:
Domain
Entities
Data
Context
MyDbContext.cs
Maps
20+ configs
MyApp – startup project
Currently I'm applying configs like this:
protected override void OnModelCreating(...
3
votes
2
answers
89
views
derive (approximate) rotation transform matrix (numpy) on a unit sphere given a mapping of vectors (n=12)
While I am aware of vaguely similar questions, I seem to be stuck on this.
Buckminster Fuller introduced a spherical mapping of the world onto an icosahedron - it's known as the Dymaxion Map
A common ...
- 2,096