GetCountries | YAML generator for custom Countries data | CSV Processing library
kandi X-RAY | GetCountries Summary
kandi X-RAY | GetCountries Summary
MySQL, Firebird, XML, JSON, CSV or YAML generator for custom Countries data.
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GetCountries Examples and Code Snippets
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QUESTION
I'm noobie on React and I want to fill a
The problem that I have is when I want to click one of my items... dropdown only show different options if I put my items harcoded. Here's my code
Parent component
import React, { Fragment, useState, useEffect } from "react";
import Country from "./Country";
const CountriesList = ({ handleOnChange }) => {
const [countriesLoaded, setCountriesLoaded] = useState(false);
const [countriesList, setCountriesList] = useState([]);
const getCountries = async () => {
const api = "https://restcountries.eu/rest/v2/all";
const response = await fetch(api);
const countrieslst = await response.json();
setCountriesList(countrieslst);
setCountriesLoaded(true);
};
useEffect(() => {
getCountries();
}, [countriesList]);
return (
-- Select a country --
{countriesLoaded
? countriesList.map((country) => (
))
: null}
);
};
export default CountriesList;
child component
...ANSWER
Answered 2021-Jun-05 at 05:24[Edit] just add style={{display: 'block'}}> in your code. you will be able to view a select box rendering data here is the link i made few changes in your code as well but this is optional: https://codesandbox.io/s/nd58i?file=/src/components/Form.jsx
QUESTION
I am new to Reactjs I am trying to build an address form with 3 Select ( country, State, City ) I used React hock so when the page first load it will fetch countries list to country select after that when user select country it will fetch states list to state select and after that when user select state it will fetch cities list to city select my issue with state hock I store the value of the user selected in the state but it did not update the value in the state in many locations I keep getting " undefined " like when the page load I get countries list as an array and I get the first country in the list as the default select item in country select but I still get keep getting " undefined " I tried many ways but still getting the same result and bellow is my code
...ANSWER
Answered 2021-May-31 at 10:03country is actually always updating but you are logging it in a useCallback hook and did not add country to its dependency array. So it only captures the initial value of country which is an empty string "" and JSON.stringify("".name) is undefined. If you add country to the dependency array of useCallback you will see it updating.
QUESTION
I am trying to practice making request to 3rd party api's and I am not able to render the response to html, but I when I console log it, and I get a response strangely. Refer to code below.
script.js
...ANSWER
Answered 2021-May-27 at 17:07You need to add await
QUESTION
I am working on a project where we are building a website using the MEAN stack. I am currently working on the front end and am attempting to read in data from an API and storing that data within an array that I can then access and use. I am running into a very odd issue.
I am aiming to load in an array of data containing latitude and longitude coordinates of all the countries in the world.
I have a service that looks like this:
...ANSWER
Answered 2021-May-06 at 17:08You see the same error in both cases.
It happens because you initialize listOfCountries with an empty value, the value will be assigned to the listOfCountries property only when the subscription is called (after the countryService responded).
So, you need either put a default value listOfCountries: Country[] = []; or check if the listOfCountries is array before read the value.
QUESTION
I am working on a project to read a text from a note pad and store its content in a dynamic array, then display the list to the user for him to choose a line, then saving the data related to the chosen region in a binary file, then read the binary file and store its content in a data structure of type “Linked List” and save the content of the data structure into a text file.
I created 3 classes two of them are the dynamic array and the linked list. I want to call the dynamic array in a fourth class but it says that the array is not visible even though I declared it as public, and all of my classes are in the same package.
...ANSWER
Answered 2021-May-02 at 17:41The problem is you have imported an incorrect class. Please look at your import statement in the class Testing.
QUESTION
I have an object class:
...ANSWER
Answered 2021-Apr-06 at 20:13The LINQ query you need is the following one:
QUESTION
I need to find all the distinct items (religions) from the entire collection of countries, where everyone of them has its own list of the items (religions). Here is my object class:
...ANSWER
Answered 2021-Apr-07 at 11:14Both are wrong. Both work on the anonymous objects, not the religion strings.
To get the distinct religions you need to use SelectMany to "flatten" the country/religion graph:
QUESTION
Im learning angular, trying to consume the JSON info from this restfullAPI:
https://restcountries.eu/rest/v2/callingcode/{callingcode}
It shows a list of countries and its information...
There are 300 countries in the REST list...
I need to navigate througt each "{callingcode}" but some of them return error 404 cause there is no information in it...
How can i hande this error and keep the for loop going ?
Also i dont know if the arrow function sintax whitin the subscribe method is correct
This is what i have
...ANSWER
Answered 2021-Apr-07 at 00:32Two ways.
- Pipe the request with rxjs Merge
- Simply remove that
returnkeyword in the for-loop. Let paise be assigned when the request goes through and the failed request paise should be null.
QUESTION
I added my existing database.db file to my project with sqflite. No errors encountered, everything works fine, but... Flutter debug console says:
ANSWER
Answered 2021-Mar-31 at 20:03FutureBuilder is an asynchronous request. Always check that snapshot has data before building your list. do:
QUESTION
I have ng-select wrapped inside mat-expansion-panel. I would like to be able to increase the height of the dropdown list to go beyond the height of mat-expansion-panel but I cannot get that effect. I have tried to play around with z-index but still not working.
Stackblitz Example here for list of countries
My code: HTML
...ANSWER
Answered 2021-Feb-21 at 18:06I'm not sure about what your are trying to do but I think what you are looking for is :
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