Tutorial by Examples: e

There are other API frameworks out there for Django. You need to assess the options available and decide for yourself. That said, here are some common reasons for tastypie. You need an API that is RESTful and uses HTTP well. You want to support deep relations. You DON’T want to have to write yo...

Tastypie is a reusable app (that is, it relies only on its own code and focuses on providing just a REST-style API) and is suitable for providing an API to any application without having to modify the sources of that app. Not everyone’s needs are the same, so Tastypie goes out of its way to provide...

Up to now we tried get request. (If you need to try other HTTP resquest, use some API testing tools like curl or postman) If you try sending a POST/PUT/DELETE to the resource, you find yourself getting “401 Unauthorized” errors. For safety, Tastypie ships with the authorization class set to ReadOnl...

This is an example of a basic GUI with two buttons that change a value stored in the GUI's handles structure. function gui_passing_data() % A basic GUI with two buttons to show a simple use of the 'handles' % structure in GUI building % Create a new figure. f = figure(); ...

SQL Server 2012 Returns the item at the specified index from a list of values. If index exceeds the bounds of values then NULL is returned. Parameters: index: integer, index to item in values. 1-based. values: any type, comma separated list SELECT CHOOSE (1, 'apples', 'pears', 'oranges', 'b...

1.The Unit return type declaration is optional for functions. The following codes are equivalent. fun printHello(name: String?): Unit { if (name != null) println("Hello ${name}") } fun printHello(name: String?) { ... } 2.Single-Ex...

Replace firebase values with your app api values: import firebase from 'firebase'; componentWillMount() { firebase.initializeApp({ apiKey: "yourAPIKey", authDomain: "authDomainNAme", databaseURL: "yourDomainBaseURL", projectId: "yourProjectID", ...

When performing data science tasks, it’s common to want to use data found on the internet. You’ll usually be able to access this data via an Application Programming Interface(API) or in other formats. However, there are times when the data you want can only be accessed as part of a web page. In case...

While using scrollviews in storyboard it's better to calculate content size according to number of views present in scrollview rather than giving content size programatically with static value. Here are the steps to get content size dynamically. Step 1 : Add Scrollview to view in storyboard and ...

Starting from react-native version 0.38, a Jest setup is included by default when running react-native init. The following configuration should be automatically added to your package.json file: "scripts": { "start": "node node_modules/react-native/local-cli/cli.js ...

A simple OGL 4.0 GLSL shader program that shows that shows how to add details with tessellation shader to the geometry. The program is executed with a python script. To run the script, PyOpenGL and NumPy must be installed. The basic mesh in this example is an icosahedron that consists of 20 triang...

The Xamarin Forms Entry control does not have a MaxLength property. To achieve this you can extend Entry as below, by adding a Bindable MaxLength property. Then you just need to subscribe to the TextChanged event on Entry and validate the length of the Text when this is called: class CustomEntry ...

Spread dot operator can be used instead of collect method (1..10)*.multiply(2) // equivalent to (1..10).collect{ it *2 } d = ["hello", "world"] d*.size() // d.collect{ it.size() }

Gpars offers intuitive ways to handle tasks concurrently import groovyx.gpars.* GParsPool.withPool { def result = dataList.collectParallel { processItem(it) } }

With the help of react-navigation, you can add navigation to your app really easy. Install react-navigation npm install --save react-navigation Example: import { Button, View, Text, AppRegistry } from 'react-native'; import { StackNavigator } from 'react-navigation'; const App = StackNavigat...

import * as Redux from 'redux'; import {Inject, Injectable} from '@angular/core'; @Injectable() export class exampleService { constructor(@Inject(AppStore) private store: Redux.Store<AppState>) {} getExampleState(){ console.log(this.store.getState().example); } } ...

import * as Redux from 'redux'; import {Inject, Injectable} from '@angular/core'; @Injectable() export class exampleService { constructor(@Inject(AppStore) private store: Redux.Store<AppState>) {} setExampleState(){ this.store.dispatch(updateExample("new value"...

app.store.ts import {InjectionToken} from '@angular/core'; import {createStore, Store, compose, StoreEnhancer} from 'redux'; import {AppState, default as reducer} from "../app.reducer"; export const AppStore = new InjectionToken('App.store'); const devtools: ...

MCVE's should start the Shiny app when they are copied in the console. An easy way to do this is using the shinyApp function. For example: why is my checkbox not responding? library(shiny) ui <- fluidPage( checkboxInput('checkbox', 'click me'), verbatimTextOutput('text') ) serv...