Vue-property-decorator: Vue.js and Property Decorator

Vue Property Decorator

This library fully depends on vue-class-component, so please read its README before using this library.

Install

npm i -S vue-property-decorator

Usage

There are several decorators and 1 function (Mixin):

• @Prop
• @PropSync
• @Model
• @ModelSync
• @Watch
• @Provide
• @Inject
• @ProvideReactive
• @InjectReactive
• @Emit
• @Ref
• @VModel
• @Component (provided by vue-class-component)
• Mixins (the helper function named mixins provided by vue-class-component)

See also

vuex-class

@Prop(options: (PropOptions | Constructor[] | Constructor) = {}) decorator

import { Vue, Component, Prop } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @Prop(Number) readonly propA: number | undefined
  @Prop({ default: 'default value' }) readonly propB!: string
  @Prop([String, Boolean]) readonly propC: string | boolean | undefined
}

is equivalent to

export default {
  props: {
    propA: {
      type: Number,
    },
    propB: {
      default: 'default value',
    },
    propC: {
      type: [String, Boolean],
    },
  },
}

If you'd like to set type property of each prop value from its type definition, you can use reflect-metadata.

1. Set emitDecoratorMetadata to true.
2. Import reflect-metadata before importing vue-property-decorator (importing reflect-metadata is needed just once.)

import 'reflect-metadata'
import { Vue, Component, Prop } from 'vue-property-decorator'

@Component
export default class MyComponent extends Vue {
  @Prop() age!: number
}

Each prop's default value need to be defined as same as the example code shown in above.

It's not supported to define each default property like @Prop() prop = 'default value' .

@PropSync(propName: string, options: (PropOptions | Constructor[] | Constructor) = {}) decorator

import { Vue, Component, PropSync } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @PropSync('name', { type: String }) syncedName!: string
}

is equivalent to

export default {
  props: {
    name: {
      type: String,
    },
  },
  computed: {
    syncedName: {
      get() {
        return this.name
      },
      set(value) {
        this.$emit('update:name', value)
      },
    },
  },
}

@PropSync works like @Prop besides the fact that it takes the propName as an argument of the decorator, and also creates a computed getter and setter behind the scenes. This way you can interface with the property as if it was a regular data property whilst making it as easy as appending the .sync modifier in the parent component.

@Model(event?: string, options: (PropOptions | Constructor[] | Constructor) = {}) decorator

import { Vue, Component, Model } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @Model('change', { type: Boolean }) readonly checked!: boolean
}

is equivalent to

export default {
  model: {
    prop: 'checked',
    event: 'change',
  },
  props: {
    checked: {
      type: Boolean,
    },
  },
}

@Model property can also set type property from its type definition via reflect-metadata .

@ModelSync(propName: string, event?: string, options: (PropOptions | Constructor[] | Constructor) = {}) decorator

import { Vue, Component, ModelSync } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @ModelSync('checked', 'change', { type: Boolean })
  readonly checkedValue!: boolean
}

is equivalent to

export default {
  model: {
    prop: 'checked',
    event: 'change',
  },
  props: {
    checked: {
      type: Boolean,
    },
  },
  computed: {
    checkedValue: {
      get() {
        return this.checked
      },
      set(value) {
        this.$emit('change', value)
      },
    },
  },
}

@ModelSync property can also set type property from its type definition via reflect-metadata .

@Watch(path: string, options: WatchOptions = {}) decorator

import { Vue, Component, Watch } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @Watch('child')
  onChildChanged(val: string, oldVal: string) {}

  @Watch('person', { immediate: true, deep: true })
  onPersonChanged1(val: Person, oldVal: Person) {}

  @Watch('person')
  onPersonChanged2(val: Person, oldVal: Person) {}

  @Watch('person')
  @Watch('child')
  onPersonAndChildChanged() {}
}

is equivalent to

export default {
  watch: {
    child: [
      {
        handler: 'onChildChanged',
        immediate: false,
        deep: false,
      },
      {
        handler: 'onPersonAndChildChanged',
        immediate: false,
        deep: false,
      },
    ],
    person: [
      {
        handler: 'onPersonChanged1',
        immediate: true,
        deep: true,
      },
      {
        handler: 'onPersonChanged2',
        immediate: false,
        deep: false,
      },
      {
        handler: 'onPersonAndChildChanged',
        immediate: false,
        deep: false,
      },
    ],
  },
  methods: {
    onChildChanged(val, oldVal) {},
    onPersonChanged1(val, oldVal) {},
    onPersonChanged2(val, oldVal) {},
    onPersonAndChildChanged() {},
  },
}

@Provide(key?: string | symbol) / @Inject(options?: { from?: InjectKey, default?: any } | InjectKey) decorator

import { Component, Inject, Provide, Vue } from 'vue-property-decorator'

const symbol = Symbol('baz')

@Component
export class MyComponent extends Vue {
  @Inject() readonly foo!: string
  @Inject('bar') readonly bar!: string
  @Inject({ from: 'optional', default: 'default' }) readonly optional!: string
  @Inject(symbol) readonly baz!: string

  @Provide() foo = 'foo'
  @Provide('bar') baz = 'bar'
}

is equivalent to

const symbol = Symbol('baz')

export const MyComponent = Vue.extend({
  inject: {
    foo: 'foo',
    bar: 'bar',
    optional: { from: 'optional', default: 'default' },
    baz: symbol,
  },
  data() {
    return {
      foo: 'foo',
      baz: 'bar',
    }
  },
  provide() {
    return {
      foo: this.foo,
      bar: this.baz,
    }
  },
})

@ProvideReactive(key?: string | symbol) / @InjectReactive(options?: { from?: InjectKey, default?: any } | InjectKey) decorator

These decorators are reactive version of @Provide and @Inject. If a provided value is modified by parent component, then the child component can catch this modification.

const key = Symbol()
@Component
class ParentComponent extends Vue {
  @ProvideReactive() one = 'value'
  @ProvideReactive(key) two = 'value'
}

@Component
class ChildComponent extends Vue {
  @InjectReactive() one!: string
  @InjectReactive(key) two!: string
}

@Emit(event?: string) decorator

The functions decorated by @Emit $emit their return value followed by their original arguments. If the return value is a promise, it is resolved before being emitted.

If the name of the event is not supplied via the event argument, the function name is used instead. In that case, the camelCase name will be converted to kebab-case.

import { Vue, Component, Emit } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  count = 0

  @Emit()
  addToCount(n: number) {
    this.count += n
  }

  @Emit('reset')
  resetCount() {
    this.count = 0
  }

  @Emit()
  returnValue() {
    return 10
  }

  @Emit()
  onInputChange(e) {
    return e.target.value
  }

  @Emit()
  promise() {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve(20)
      }, 0)
    })
  }
}

is equivalent to

export default {
  data() {
    return {
      count: 0,
    }
  },
  methods: {
    addToCount(n) {
      this.count += n
      this.$emit('add-to-count', n)
    },
    resetCount() {
      this.count = 0
      this.$emit('reset')
    },
    returnValue() {
      this.$emit('return-value', 10)
    },
    onInputChange(e) {
      this.$emit('on-input-change', e.target.value, e)
    },
    promise() {
      const promise = new Promise((resolve) => {
        setTimeout(() => {
          resolve(20)
        }, 0)
      })

      promise.then((value) => {
        this.$emit('promise', value)
      })
    },
  },
}

@Ref(refKey?: string) decorator

import { Vue, Component, Ref } from 'vue-property-decorator'

import AnotherComponent from '@/path/to/another-component.vue'

@Component
export default class YourComponent extends Vue {
  @Ref() readonly anotherComponent!: AnotherComponent
  @Ref('aButton') readonly button!: HTMLButtonElement
}

is equivalent to

export default {
  computed() {
    anotherComponent: {
      cache: false,
      get() {
        return this.$refs.anotherComponent as AnotherComponent
      }
    },
    button: {
      cache: false,
      get() {
        return this.$refs.aButton as HTMLButtonElement
      }
    }
  }
}

@VModel(propsArgs?: PropOptions) decorator

import { Vue, Component, VModel } from 'vue-property-decorator'

@Component
export default class YourComponent extends Vue {
  @VModel({ type: String }) name!: string
}

is equivalent to

export default {
  props: {
    value: {
      type: String,
    },
  },
  computed: {
    name: {
      get() {
        return this.value
      },
      set(value) {
        this.$emit('input', value)
      },
    },
  },
}

Download Details:

Author: Kaorun343
Source Code: https://github.com/kaorun343/vue-property-decorator 
License: MIT license

#typescript #vue #property #decorators 

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Grape Roar: Use Roar with Grape in Ruby

Grape::Roar   

Use Roar with Grape.

Demo

The grape-with-roar project deployed here on heroku.

Installation

Add the grape, roar and grape-roar gems to Gemfile.

gem 'grape'
gem 'roar'
gem 'grape-roar'

If you're upgrading from an older version of this gem, please see UPGRADING.

Usage

Tell your API to use Grape::Formatter::Roar

class API < Grape::API
  format :json
  formatter :json, Grape::Formatter::Roar
end

Use Grape's Present

Include Grape::Roar::Representer into a representer module after any Roar mixins, then use Grape's present keyword.

module ProductRepresenter
  include Roar::JSON
  include Roar::Hypermedia
  include Grape::Roar::Representer

  property :title
  property :id
end

get 'product/:id' do
  present Product.find(params[:id]), with: ProductRepresenter
end

Presenting collections works the same way. The following example returns an embedded set of products in the HAL Hypermedia format.

module ProductsRepresenter
  include Roar::JSON::HAL
  include Roar::Hypermedia
  include Grape::Roar::Representer

  collection :entries, extend: ProductRepresenter, as: :products, embedded: true
end

get 'products' do
  present Product.all, with: ProductsRepresenter
end

Accessing the Request Inside a Representer

The formatter invokes to_json on presented objects and provides access to the requesting environment via the env option. The following example renders a full request URL in a representer.

module ProductRepresenter
  include Roar::JSON
  include Roar::Hypermedia
  include Grape::Roar::Representer

  link :self do |opts|
    request = Grape::Request.new(opts[:env])
    "#{request.url}"
  end
end

Decorators

If you prefer to use a decorator class instead of modules.

class ProductRepresenter < Grape::Roar::Decorator
  include Roar::JSON
  include Roar::Hypermedia

  link :self do |opts|
    "#{request(opts).url}/#{represented.id}"
  end

  private

  def request(opts)
    Grape::Request.new(opts[:env])
  end
end

get 'products' do
  present Product.all, with: ProductsRepresenter
end

Relation Extensions

If you use either ActiveRecord or Mongoid, you can use the Grape::Roar::Extensions::Relations DSL to expose the relationships in between your models as a HAL response. The DSL methods used are the same regardless of what your ORM/ODM is, as long as there exists an adapter for it.

Designing Representers

Arguments passed to #relation are forwarded to roar. Single member relations (e.g. belongs_to) are represented using #property, collections are represented using #collection; arguments provided to #relation will be passed through these methods (i.e. additional arguments roar and representable accept).

A default base URI is constructed from a Grape::Request by concatenating the #base_url and #script_name properties. The resource path is extracted from the name of the relation.

Otherwise, the extensions attempt to look up the correct representer module/class for the objects (e.g. we infer the extend argument). You can always specify the correct representer to use on your own.

Example Models

class Item < ActiveRecord::Base
  belongs_to :cart
end

class Cart < ActiveRecord::Base
  has_many :items  
end

Example Representers

class ItemEntity < Grape::Roar::Decorator
  include Roar::JSON
  include Roar::JSON::HAL
  include Roar::Hypermedia

  include Grape::Roar::Extensions::Relations

  # Cart will be presented under the _embedded key
  relation :belongs_to, :cart, embedded: true

  link_self
end

class CartEntity < Grape::Roar::Decorator
  include Roar::JSON
  include Roar::JSON::HAL
  include Roar::Hypermedia

  include Grape::Roar::Extensions::Relations

  # Items will be presented under the _links key
  relation :has_many, :items, embedded: false

  link_self
end

Although this example uses Grape::Roar::Decorator, you can also use a module as show in prior examples above. If doing so, you no longer have to mix in Grape::Roar::Representer.

Example Item

{
    "_embedded": {
        "cart": {
            "_links": {
                "self": {
                    "href": "http://example.org/carts/1"
                },
                "items": [{
                    "href": "http://example.org/items/1"
                }]
            }
        }
    },
    "_links": {
        "self": {
            "href": "http://example.org/items/1"
        }
    }
}

Example Cart

{
    "_links": {
        "self": {
            "href": "http://example.org/carts/1"
        },
        "items": [{
            "href": "http://example.org/items/1"
        }, {
            "href": "http://example.org/items/2"
        }, {
            "href": "http://example.org/items/3"
        }, {
            "href": "http://example.org/items/4"
        }, {
            "href": "http://example.org/items/5"
        }]
    }
}

Errors

Should you incorrectly describe a relationship (e.g. you specify has_one but your model specifies has_many), an exception will be raised to notify you of the mismatch:

Grape::Roar::Extensions::Relations::Exceptions::InvalidRelationError:
  Expected Mongoid::Relations::Referenced::One, got Mongoid::Relations::Referenced::Many!

Change how URLs are presented

The opts hash below is the same one as shown in prior examples.

Override base URI mappings

class BarEntity < Grape::Roar::Decorator
  include Roar::JSON
  include Roar::JSON::HAL
  include Roar::Hypermedia

  include Grape::Roar::Extensions::Relations

  # This is our default implementation
  map_base_url do |opts|
    request = Grape::Request.new(opts[:env])
    "#{request.base_url}#{request.script_name}"
  end

  relation :has_many, :bars, embedded: false
end

Override resource URI mappings

class BarEntity < Grape::Roar::Decorator
  include Roar::JSON
  include Roar::JSON::HAL
  include Roar::Hypermedia

  include Grape::Roar::Extensions::Relations

  # This is our default implementation
  map_resource_path do |_opts, object, relation_name|
    "#{relation_name}/#{object.id}"
  end

  relation :has_many, :bars, embedded: false
end

Designing Adapters

If you have custom domain objects, you can create an adapter to make your models compatible with the DSL methods. Below is an example of the ActiveRecord adapter.

Example: ActiveRecord Adapter

module Extensions
  module RelationalModels
    module Adapter
      class ActiveRecord < Base
        include Validations::ActiveRecord

        # We map your domain object to the correct adapter
        # during runtime.
        valid_for { |klass| klass < ::ActiveRecord::Base }

        def collection_methods
          @collection_methods ||= %i(has_many has_and_belongs_to_many)
        end

        def name_for_represented(represented)
          klass_name = case represented
                       when ::ActiveRecord::Relation
                         represented.klass.name
                       else
                         represented.class.name
                       end
          klass_name.demodulize.pluralize.downcase
        end

        def single_entity_methods
          @single_entity_methods ||= %i(has_one belongs_to)
        end
      end
    end
  end
end

Validations

Errors are handled by creating methods corresponding to those in collection_methods and single_entity_methods. For example, this is the validator for belongs_to:

module ActiveRecord
  include Validations::Misc

  def belongs_to_valid?(relation)
    relation = klass.reflections[relation]

    return true if relation.is_a?(
      ::ActiveRecord::Reflection::BelongsToReflection
    )

    # Provided by Validations::Misc
    invalid_relation(
      ::ActiveRecord::Reflection::BelongsToReflection,
      relation.class
    )
  end
end

After writing your validation methods, just mix them into your adapter. You can choose to not write validation methods; they are only invoked if your adapter responds to them.

Contributing

See CONTRIBUTING.

Copyright and License

MIT License, see LICENSE for details.

(c) 2012-2014 Daniel Doubrovkine & Contributors, Artsy

Author:  ruby-grape
Source code: https://github.com/ruby-grape/grape-roar
License: MIT license

#ruby #ruby-on-rails 

Reactbone: React Extensions for Backbone

Reactbone

Reactbone extends Backbone models and collections to better work with an immutable dependent such as React by exposing two subclasses ReactModel and ReactCollection. These classes expose methods to allow a data hierarchy to be easily built between models and collections and expose access to the entire state of an application designed in such a way.

Installation

NPM

npm install reactbone

Script

For the bundled version of Reactbone, use this repository's reactbone.js. It comes with its Backbone and Underscore dependencies.

<script src="reactbone.js"/>

To create the bundle, install via NPM and build it with the build command, which uses Browserify.

npm run build

Usage

Reactbone extends Backbone so it can be used anywhere Backbone would be used. The only difference is Reactbone adds its classes to Backbone.

var Reactbone = require('reactbone');

Reactbone.Model; // just Backbone.Model
Reactbone.ReactModel;
Reactbone.Collection; // just Backbone.Collection
Reactbone.ReactCollection; 

Integrating with React

Reactbone makes plugging into React.js as simple and expressive as possible.

var data = Application({name: 'color-me-shocked'}), // ReactModel
    view = React.createClass({...});

data.on('change', function(model) {
    var state = model.toReact();
    React.renderComponent(view(state), document.body);
});

Architecture

Reactbone is the middleground between Backbone and React. Any changes on the Backbone model hierarchy propogate up to Reactbone which then serializes the models into their JSON and helpers. That data can then be passed to React classes for rendering. Within React, helpers may be called (either manually or by user interaction) and may then change the underlying Backbone data, triggering the original data flow.

From the perspective of React, the data is immutable as an entirely new state is being passed to it on change from Backbone. The immutable data can also be used for snapshots, free undos and redos of application state, and all the other benefits of immutability. Yet, from the perspective of Backbone, the data is mutable and has the advantage of Underscore, Backbone, and plain JavaScript mutable functions. Reactbone harmonizes these two perspectives.

ReactModel

#property

• property(name String) (Backbone.Model||Backbone.Collection)
• property(name String, component (Backbone.Model||Backbone.Collection)) this
• property(Object[name String]component(Backbone.Model||Backbone.Collection)) this

ReactModel needs to know which objects attached to the model should be included in the data hierarchy. The property method accepts a name String and a component which is either a Backbone Model or Collection (or a subclasss of them), or a map of them if you have multiple. If you only pass a name String, the component at model.properties[name] or undefined will be returned.

The component will be watched for changes and those changes will be reflected through the parent model in the change and change:#{name} events where name was the String provided to the method.

The component can then be accessed on the parent model via model[name] or model.name where name was the String provided to the method.

The component's properties can then be set directly via setting them on the parent model. For instance, calling model.set(name, {poop: 'poop'}); would be equivalent to calling model[name].set({poop: 'poop'}); Setting values on a component the former way will not trigger change:#{name} but instead change:_#{name} as to not double trigger on any model listening for change:#{name}.

var User = ReactModel.extend({
    initialize: function() {
        // setters
        this.property('posts', new Posts({parent: this}));
        this.property({
            likes: new Likes({parent: this}),
            comments: new Comments({parent: this})
        });
        // getter
        var posts = this.property('posts');
    }
});

helper

• helper(name String) Function
• helper(name String, func Function) this
• helper(Object[name String]func Function) this

Helpers are functions that will be added to the data representation of the model in the data hierarchy. These methods will allow React to communicate UI interactions back to the model. The helper method accepts a name String and a helper function, or a map of them if you have multiple. If a string is passed as a function parameter, the function at model[func] will be used. All functions are bound to the model with Underscore's bind function. If you only pass a name String, the function at model.helpers[name] or undefined will be returned.

var User = ReactModel.extend({
    initialize: function() {
        // setters
        this.helper('updateFirstName', this.updateFirstName);
        this.helper('updateLastName', function(newLastName) {
            this.set('lastName', lastName);
        });
        this.helper({
            helperOne: function() {},
            helperTwo: function() {}
        });
        // getter
        var helper = this.helper('updateFirstName');
    },
    updateFirstName: function(newFirstName) {
        this.set('firstName', newFirstName);
    }
});

toReact

• toReact() Object

This is the only external function to be called in order to use Reactbone with React. This function returns the data hierarchy of the model along with all of its attached properties and associated helper functions. This function will recursively call toReact on all of its properties, defaulting to toJSON if not found. Example usage:

var model = new Application({poop: 'poop'});

var root = document.getElementById('application'),
    view = React.renderComponent(ApplicationView({data: model.toReact()}), root);
    
model.on('change', function(model, options) {
    view.setProps({data: model.toReact()});
});

ReactCollection

ReactCollection is not very extensive, it only exposes the toReact method, which is needed to match the ReactModel API. All it does is map over the collection, calling each model's own toReact (or toJSON) method.

Contributing

Contributions are incredibly welcome as long as they are standardly applicable and pass the tests (or break bad ones). Tests are written in Mocha and assertions are done with the Node.js core assert module.

# running tests
npm run test
npm run test-spec # spec reporter

Follow me on Twitter for updates or just for the lolz and please check out my other repositories if I have earned it. I thank you for reading.

Author: Andrejewski
Source Code: https://github.com/andrejewski/reactbone 
License: ISC license

#react #javascript

Will Set Blocks for Properties in Swift

In this video we will learn about the willSet feature of Properties in Swift. A way to perform work right before a property is written to, willSet offers a flexible way to achieve unique code/logic.

#swift  #property #ios 

How to Build a Rental Property Business Online

In recent years, many people have noticed the benefits of starting a rental property company. Every business niche is undergoing a transformation thanks to the latest technology. Most important, mobile apps. Mobile apps provide instant solutions to nearly everything.

This blog aims to provide information that will help you understand how to build a rental business online.

The majority of the new apps for real estate are either app developed for home rental Limitations on the provision of traditional information to users and agents with potential clients should be kept in mind.

There are some trends we can jump on to make it easier for everyone involved in the home-rental app development market. Real estate is not an exception to the trend towards urbanization or rather an instant gratification.

Technology can connect supply and demand in real estate by transforming the traditional buying, selling, leasing sector.

This can be done by enabling rental property management software development showing tours directly from the customer’s phone. Apps for renting a home can be a great help for your real estate business.

Must-have Features in Real Estate App:

1. Property Management

In this feature you can add/update and manage multiple property profiles. Important and confidential documents such as floor plans, design documents, inspection lists, and other documents should be kept safe.

2. Lease Administration

Reduce risks, ensure compliance with leases, analyze financial information at the lease level, and give accurate information about the entire portfolio of leases to help you make better decisions.

3. Tenant Details

All tenant information can be stored in one place. This includes contact info, official name, address, and invoice info. You can also add multiple connections to a single tenant.

4. Tenant Portal

Tenants can communicate with property managers and pay rents through a portal. They can also submit service requests to improve visibility and communication.

5. Service Request Management

As the property owner, manage all service requests. Create/update work orders, as well as sharing the status directly with property owners and tenants.

6. Tenant File Uploads

Tenants can upload, attach, and store important documents and files like.png/.jpg/.pdf on the cloud. They can access them from any location and share them with others.

7. Automated Email System

Tenants, owners, and vendors receive automatic emails regarding lease renewals and work orders, service requests, and leasing.

Cost of Real Estate App Development for Rental Business

The cost of developing a rental app depends on the features or services you want to include in it. It also depends on the location where the application will be developed. The application will cost approximately $100000.

An app for renting business on both iOS and Android will cost around $90,000 to $100000, depending on the technology and features you choose. An alternative option is to use an app cost calculator to estimate the exact cost to develop an app For a rental company.

In Conclusion

It can be difficult to find a rental house. The search for homes is still a major problem for many homebuyers. It is a smart idea to start a rental business via an app or website.

We have made it easier by simplifying the considerations.

Are you a real-estate developer? Are you positive that your idea can help others overcome their hunting obstacles at home? We recommend that you talk to us if this is the case.

Our expert mobile app developers are developed more than 400 mobile apps upon request. You can Contact TechAvidus. A reliable web &mobile application development company we’ll help you find the right solution.

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Property Valuers Perth - No. 1 Property Valuation Company

We are Perth based independent property valuation company providing professional valuation advice. Our property valuers complete accurate property valuation reports for a variety of purposes all within 24 hours. Reach out to us via email or phone to speak to a certified valuer.

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Inject Properties from Properties File using Spring Environment » grokonez

https://grokonez.com/spring-framework/inject-properties-from-properties-file-using-spring-environment

Inject Properties from Properties File using Spring Environment

We can load properties value from Properties file to Spring Environment just by using @PropertySource annotation. This tutorial shows you the simple way to get them from Environment object.

Related Articles:

• Inject Properties from Properties File using @Value annotation
• Inject Properties from Properties File using @ConfigurationProperties Annotation
• How to use Spring Factory Method to create Spring Bean

I. Technology

- Java 1.8 - Maven 3.3.9 - Spring Tool Suite – Version 3.8.1.RELEASE (It's OK if you use Eclipse)

II. Overview

1. Project Structure

In this example, we have 2 ways to access Properties from Environment: - get Environment from Application Context wherever we wanna use it. - use a seperate properties bean object to get Environment in the configuration class.

Both of them call method Environment.getProperty(“property_key”) to get property value for corresponding property_key.

2. Step to do

- Create Maven project - Add Dependencies & Plugins - Add Properties File - Create Properties Class - Create Configuration Class - Create MainApplication Class - Run Application & Enjoy Result

III. Practice

1. Create Maven project

- Open Spring Tool Suite, on Menu, choose File -> New -> Maven Project. - Check Create a simple project, choose Workspace Location and click Next. - Fill all fields in Artifact group box, then click Finish.

2. Add Dependencies & Plugins

Open pom.xml, add:

More at:

https://grokonez.com/spring-framework/inject-properties-from-properties-file-using-spring-environment

Inject Properties from Properties File using Spring Environment

#spring #enviroment #property

JavaScript String length Property | JS lesson #15

https://youtu.be/92MHMhSR06E

#javascript #es5 #web-development #length #property #html

Swift 101 — Basic Property

In Swift world, there are many data types such as class, struct and enumeration, etc. What are their differences? class is in reference type but struct is in value type.

Each property can be categorised as stored property and computed property. The first one has a fixed value but the later one’s value is calculated every time it is accessed. Moreover, Swift provides observers to stored property to listen to the value changes callback — **willSet** and **didSet**.

The above terminologies are all the common challenges for beginners. In this article, I would briefly introduce them and point out some of the tips. Hope you find this useful.

Reference type (class) Vs Value type (struct)

Class and Struct are the two main memory type in Swift. Class is in reference type which points to the memory address of a memory but struct is in value type which points to the data stored at the memory address.

Therefore, a constant class instance has a constant memory address and its variable data can be changed at anytime. However, a constant struct instance has constant data but variable address. Refer to line 15, It will throw a compile error when the data of a constant struct is changed.

Struct is recommended to be the first choice. However, developer should choose class when code is designed to be subclassed and has to be accessed by Objective-C codes.

Computed property — Getter & Setter

Computed property is a special property which has a getter function together with a setter function. Its value is determined by getter function every time it is accessed (See line 15) instead of a stored property with fixed value. Setter function is called when the value is altered (See line 19).

The common use case would be the data handling with persistent storage. The getter function can retrieve the data from storage and setter function can set the data to storage directly. It can simplify the code very much.

#ios-app-development #swift-programming #property #ios #101

Enhance Property Rental Income

A property management company can assist a property owner to enhance the property rental income. A easy and economical ways can help the property owner to improve the property rent. Some of the simple ways are

• Keeping the property bright with good lighting.
• An outdoor or indoor garden
• Decently painted walls
• Hygienic bathroom
• Modern and clean kitchen

To know more about how to enhance your property rent browse the blog

#property #propertymanagementcompany #propertymanagementkolkata #airbnb #airbnbpropertymanagement

How to Increase Property Rentals Post COVID?

Many Landlords and Property Owners are on great dilemma on how to Increase Property Rentals Post Covid-19 Lockdown. The Global pandemic has widely affected Property Management Companies and has also temporarily shut down many business operations across the world. Which has resulted in the adaptation of “Work from Home Culture” majority of companies in the IT Sector? As you know the Manufacturing industries and the farming sector is already facing the aftermath of price or Orders instability.

At the same time, Countries like India has a strong Political and economical administration structure is expected to back up the bottlenecks of economical hiccups with the announcement of 20 Lakh Crores! Country Home – Airbnb Property Management Company in Kolkata, West Bengal has analysed the Global Real Estate Market trends and predicted the market movement in future to recover shortly from the second quarter of the 2020 financial year.

The ray of hope

Opportunities don’t come up knocking the door! but the necessity and hope will pull it towards us. As said, People majorly prefer to buy products at Online Portals. Which causes the money flow from one sector to another allied services. Thus eCommerce Sector will become instrumental in optimising the economy post-COVID-19.

The global pandemic situation has established a fact that renting an apartment or property for the residential or commercial purpose will way better than dealing with the uncertainties of losing business or revenue loss.

Landlord, are you concerned about the pause in the cash flow? don’t panic, this effect seemed to be short-lived

Choose the right Property Management Partners:

1. Become a part of Country Home’s – Property Owners Community and Stay informed about the market trends.
2. No additional investment is required to increase property rentals post Covid-19
3. Follow the leading Property Management Company in Kolkata and leave no stone unturned!

Are you a renter or a Landlord affected by the COVID crisis?

Wondering how to find a new potential tenant? since your earlier tenant has been already moved out due to COVID by giving prior notice! Is your expected rental income falling?

Don’t worry, leave the tenant replacement job to us;

Country Home- The best property management company in Kolkata offers realistic solutions to cope up with the shortfall in rentals and finding tenant replacement during COVID lockdown.

Steps to Increase Rentals:

Property Owners are under the increasing financial pressure as the tenants are unable to pay the full long term rentals as agreed. Traditional Property owners are already expressing their troubles in collecting even partial rental payments. Although finding a potential tenant is a matter of concern during COVID lockdown, the real estate rental tariff appears to be rising along with other regular commodity prices!

1. Increase the Sub-Standards of your rental property for Global travellers.
2. Smart Pricing with flexible & Short Term Rental payment options will benefit the tenants to choose your property.
3. Avoid rent defaulters with credit checking, tenant screening and hassle-free automated rental payment solutions.
4. Reduce vacancies by offer luxury accommodation at the best price with Free online calendar booking and cancellation.
5. Your Trusted Property Maintenance service prevents property maintenance problems and increases tenant retention rate.

Planning to book Hotel Room? Read this!

Before moving on, one should understand the current status of the rental market. With the rise in the land value and the construction cost, has stamped many people dream of owning a home is unaffordable. Several Indian economists suggest investing in the real estate sector to avoid rental expenses is not advisable. In fact, living in rental accommodation is much cheaper than buying a whole property with a bank loan for several years together. Rental Property has a benefit of convenience to relocate during work transfer or move on to the property of your choice.

With the increase in Hotel accommodation tariff, many national, international students, business travellers and tourist are switching over to Country Home- Airbnb Short Term Rental Services or long term rental accommodation for a budget living. You will also enjoy the convenience of choosing the best property under your budget at a convenient location with ready to live in furniture and appliances.

Proactive ways to Bounce Back:

Property Management Company in Kolkata protects property owners and the property renters interest and let them live in peace with harmony. We help you increase the property rentals by identifying the ideal tenants to increase the returns.

1. Improve the appearance of your property – The first impression is the best, which fetches positive reviews too.
2. Advertising the Property on Ditial Platforms – be present on online everywhere.
3. Ensure the premises is well lit, clean and tidy – with all appliances are 100% functional and usable.
4. Don’t just sell, guide them! – Kindle the interest in the renters by showing the nearest temple, shopping malls, tourist spots and airport or train travel conveniences.
5. Proper pricing matters, more than that what matters is the ” Value addition” like (allow Pets, Free laundry, Room service, free maintenance, etc). People always wish to live in comfort. Thus tenants tend to ignore High Rental with value-added services.
6. Attract and increase repeated occupants through Loyalty Schemes – like, Discounts for Loyal repeated Occupants, Discounts on Referrals etc

Conclusion:
The More your rise rents, lower maintenance cost and increased tenant retention rate will better increase property rentals Post Covid-19.

We take care of your property rentals across major cities in India. Click on for :

Short Term Rental – Airbnb Property management Company in Kolkata, Noida, Delhi, Gurgaon, India.
Leasing – Long Term Rental Management Company in Kolkata, Noida, Delhi, Gurgaon, India.
Property Maintenance Company in Kolkata, Noida, Delhi, Gurgaon, India.Kolkata
Vacant Property Management Company in Kolkata, Noida, Delhi, Gurgaon, India.

Are you ready to get started?

If you still have any questions, drop us an e-mail: info@countryhome.in or Get in Touch @ 99998 37913

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