Tutorial by Examples: nf

def multiply(factor: Int)(numberToBeMultiplied: Int): Int = factor * numberToBeMultiplied val multiplyBy3 = multiply(3)_ // resulting function signature Int => Int val multiplyBy10 = multiply(10)_ // resulting function signature Int => Int val sixFromCurriedCall = multiplyBy3(2) //6...
If the user authorizes your application, they will be redirected to the following URL: https://[your registered redirect URI]/#access_token=[an access token] &scope=[authorized scopes] Note that the access token is in the URL fragment and not the query string. This means the value w...
The History Microsoft windows is an operating system available in 137 languages, wrote in C,C++ & Assembly , can be installed on "ARM, IA-32, Itanium, x86-64, DEC Alpha, MIPS, PowerPC" platforms first release was in November 20 ,1985 as windows 1.0 with about 2 billion PC(per...
for typescript 2.x: definitions from DefinitelyTyped are available via @types npm package npm i --save lodash npm i --save-dev @types/lodash but in case if you want use types from other repos then can be used old way: for typescript 1.x: Typings is an npm package that can automatically insta...
This example assumes you know how to test a Flask app using pytest Below is an API that takes a JSON input with integer values a and b e.g. {"a": 1, "b": 2}, adds them up and returns sum a + b in a JSON response e.g. {"sum": 3}. # hello_add.py from flask import Flask...
Returns a Boolean indicating if the class conform the protocol: [MyClass conformsToProtocol:@protocol(MyProtocol)];
docker inspect supports Go Templates via the --format option. This allows for better integration in scripts, without resorting to pipes/sed/grep traditional tools. Print a container internal IP: docker inspect --format '{{ .NetworkSettings.IPAddress }}' 7786807d8084 This is useful for direct ne...
Available in Django 1.9+ from django.contrib.postgres.fields import JSONField from django.db import models class IceCream(models.Model): metadata = JSONField() You can add the normal **options if you wish. ! Note that you must put 'django.contrib.postgres' in INSTALLED_APPS in your s...
Pass data in native Python form, for example list, dict, str, None, bool, etc. IceCream.objects.create(metadata={ 'date': '1/1/2016', 'ordered by': 'Jon Skeet', 'buyer': { 'favorite flavor': 'vanilla', 'known for': ['his rep on SO', 'writing a book'] }, ...
To get basic information about a DataFrame including the column names and datatypes: import pandas as pd df = pd.DataFrame({'integers': [1, 2, 3], 'floats': [1.5, 2.5, 3], 'text': ['a', 'b', 'c'], 'ints with None': [1, None, 3]}) ...
First of all, we need to add our first Fragment at the beginning, we should do it in the onCreate() method of our Activity: if (null == savedInstanceState) { getSupportFragmentManager().beginTransaction() .addToBackStack("fragmentA") .replace(R.id.container, FragmentA.n...
ansible -i hosts -m ping targethost -i hosts defines the path to inventory file targethost is the name of the host in the hosts file
If the mimetype of the HTTP request is application/json, calling request.get_json() will return the parsed JSON data (otherwise it returns None) from flask import Flask, jsonify app = Flask(__name__) @app.route('/api/echo-json', methods=['GET', 'POST', 'DELETE', 'PUT']) ...
Description When working with a team who uses different operating systems (OS) across the project, sometimes you may run into trouble when dealing with line endings. Microsoft Windows When working on Microsoft Windows operating system (OS), the line endings are normally of form - carriage return ...
View jsFiddle: https://jsfiddle.net/HimmatChahal/jb5trg67/ Copy + Pasteable code below: <html> <body> <h1>This will fade in at 60 frames per second (or as close to possible as your hardware allows)</h1> <script> // Fad...
Data Model public class Item { private String name; public String getName() { return name; } public void setName(String name){ this.name = name; } } Layout XML <?xml version="1.0" encoding="utf-8"?> <layout xmlns:an...
Caller info attributes can be used to pass down information about the invoker to the invoked method. The declaration looks like this: using System.Runtime.CompilerServices; public void LogException(Exception ex, [CallerMemberName]string callerMemberName = "", ...
The web.config system.web.httpRuntime must target 4.5 to ensure the thread will renter the request context before resuming your async method. <httpRuntime targetFramework="4.5" /> Async and await have undefined behavior on ASP.NET prior to 4.5. Async / await will resume on an arb...
To get started with Thymeleaf visit official download page. Maven dependency <dependency> <groupId>org.thymeleaf</groupId> <artifactId>thymeleaf</artifactId> <version>3.0.1.RELEASE</version> </dependency> Gradle dependency compile gr...
Simple example of how to create a custom plugin and DSL for your gradle project. This sample uses one of the three possible ways of creating plugins. The three ways are: inline buildSrc standalone plugins This example shows creating a plugin from the buildSrc folder. This sample will crea...

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