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HeroChildComponent has two input properties, typically adorned with @Input decorations. import { Component, Input } from '@angular/core'; import { Hero } from './hero'; @Component({ selector: 'hero-child', template: ` <h3>{{hero.name}} says:</h3> <p>I, {{hero.nam...

The @HostBinding decorator allows us to programatically set a property value on the directive's host element. It works similarly to a property binding defined in a template, except it specifically targets the host element. The binding is checked for every change detection cycle, so it can change dyn...

When creating a model for a table that has a composite primary key, additional work is required on the Object for the model Entity to respect those constraints. The following example SQL table and Entity demonstrates the structure to store a review left by a customer for an item in an online store....

Occasionally it's useful to assign one or more ports manually vs using the defaults. Doing so can solve port availability/permissions issues or accommodate running more than one ember instance at a time. To have ember-cli attempt to identify and assign an available port, use: ember serve --port ...

First you add System.Security.Cryptography and System.IO to your project public string GetSha1Hash(string filePath) { using (FileStream fs = File.OpenRead(filePath)) { SHA1 sha = new SHA1Managed(); return BitConverter.ToString(sha.ComputeHash(fs...

first you add System.Security.Cryptography namespace to your project public string GetSha1Hash(string filePath) { using (FileStream fs = File.OpenRead(filePath)) { SHA1 sha = new SHA1Managed(); return BitConverter.ToString(sha.ComputeHash(fs)); ...

public static string TextToHash(string text) { var sh = SHA1.Create(); var hash = new StringBuilder(); byte[] bytes = Encoding.UTF8.GetBytes(text); byte[] b = sh.ComputeHash(bytes); foreach (byte a in b) { var h = a.ToString(&...

After adding the GreenDao library dependency and Gradle plugin, we need to first create an entity object. Entity An entity is a Plain Old Java Object (POJO) that models some data in the database. GreenDao will use this class to create a table in the SQLite database and automatically generate helpe...

Detailed instructions on getting azure-functions set up or installed.

You can try Azure Functions for free by accessing the link: Try Azure Functions It will open the following page: For this trial, you can create your functions using C# or JavaScript, however Azure Functions also supports F#, Node.js, Python, PHP, batch, bash, or any executable. After selection ...

The code example below demonstrate how you can get a lighter and darker shade of a given color, useful in applications having dynamic themes For Darker Color + (UIColor *)darkerColorForColor:(UIColor *)c { CGFloat r, g, b, a; if ([c getRed:&r green:&g blue:&b alpha:&a]) ...

As stated above Functions are smaller procedures that contain small pieces of code which may be repetitive inside a Procedure. Functions are used to reduce redundancy in code. Similar to a Procedure, A function can be declared with or without an arguments list. Function is declared as a return ty...

Detailed instructions on getting mainframe set up or installed.

In Sprite-Kit, there is the concept of collisions which refers to the SK physics engine handling how physics objects interact when they collide i.e. which ones bounce off which other ones. It also has the concept of contacts, which is the mechanism by which your program gets informed when 2 physics...

y ~ . : Here . is interpreted as all variables except y in the data frame used in fitting the model. It is equivalent to the linear combinations of predictor variables. For example y ~ var1 + var2 + var3+...+var15 y ~ . ^ 2 will give all linear (main effects) and second order interaction terms of t...

const languages = [ 'JavaScript', 'Python', 'Java', 'Elm', 'TypeScript', 'C#', 'F#' ] // one liner const Language = ({language}) => <li>{language}</li> Language.propTypes = { message: React.PropTypes.string.isRequired } /** * If there are more ...

The C99 and C11 standards specify the following length modifiers for printf(); their meanings are: ModifierModifiesApplies tohhd, i, o, u, x, or Xchar, signed char or unsigned charhd, i, o, u, x, or Xshort int or unsigned short intld, i, o, u, x, or Xlong int or unsigned long intla, A, e, E, f, F, ...

Detailed instructions on getting network-programming set up or installed.

Gin is a web framework written in Golang. It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity, you will love Gin. There will be 8 packages + main.go controllers core libs middlewares public routers services...

CREATE USER readonly WITH ENCRYPTED PASSWORD 'yourpassword'; GRANT CONNECT ON DATABASE <database_name> to readonly; GRANT USAGE ON SCHEMA public to readonly; GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO readonly; GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly;