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using System;
using Realms;

namespace RealmDev.Core.RealmObjects
{
    public class Comment : EmbeddedObject
    {
        public DateTimeOffset CreatedOn { get; set; }
        public string Text { get; set; }
        public string Author { get; set; }

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public async Task<JObject> GetLocationJObject(int locationId)
{
    return await Task.Run(() =>
    {
        var companyJObject = JObject.Parse(RawJson.Company); // parsing to JObject is fast even for large objects
        var locationJObject = companyJObject[nameof(Company.Locations)]?
            .FirstOrDefault(x => (int)x[nameof(Location.Id)] == locationId) as JObject;
        return locationJObject;
    })
    .ConfigureAwait(false);

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using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;

namespace JsonPerf.Resolvers
{
    /// <summary>
    /// Can be used for any type to dynamically specify which properties are part of the serialization contract

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readonly Lazy<DynamicContractResolver> _locationDetailsResolver =
    new Lazy<DynamicContractResolver>(() =>
        new DynamicContractResolver(
            nameof(Models.Location.Name),
            nameof(Models.Location.Address),
            nameof(Models.Location.Id)));
 
var serializerSettings = new JsonSerializerSettings
{
    ContractResolver = _locationDetailsResolver?.Value

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CurrentLocationJObject[nameof(Models.Location.Name)] = CurrentLocation.Name;
CurrentLocationJObject[nameof(Models.Location.Address)] = CurrentLocation.Address;

await _locationManager.SaveLocation(CurrentLocationJObject, CurrentLocation.Id);

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public async Task SaveLocation(JObject locationJObject, int locationId)
{
    await Task.Run(() =>
    {
        var companyJObject = JObject.Parse(RawJson.Company);

        companyJObject[nameof(Company.Locations)]?
            .FirstOrDefault(x => (decimal)x[nameof(Location.Id)] == locationId)
            .Replace(locationJObject);
    });

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Observable.FromEventPattern<ViewPager.PageScrolledEventArgs> (
	x => _viewPager.PageScrolled += x,
	x => _viewPager.PageScrolled -= x)
  .Select (args => args.EventArgs)
  .StartWith(new ViewPager.PageScrolledEventArgs(0, 0, 0))
  .PairWithPrevious()
  .Skip(1)
  .Select(args => {
	var scrollDirection =
		args.Item1.Position != args.Item2.Position