Tutorial by Examples: i

Serialize fields as camelCase

extern crate serde; extern crate serde_json; #[macro_use] extern crate serde_derive; #[derive(Serialize)] struct Person { #[serde(rename="firstName")] first_name: String, #[serde(rename="lastName")] last_name: String, } fn main() { let person = ...
Rust • Serde

Add MVC Middleware

If you created an empty project, or you still don't have mvc configured in your application, you can add dependency: "Microsoft.AspNetCore.Mvc": "1.0.1" To your project.json file under "dependencies". And register MVC middleware in your Startup class: public void ...

Understanding build progress

Sometimes builds take longer than expected. There are a few environment variables you can set to better understand what's happening during the build process. METEOR_DEBUG_BUILD=1 (logs progress) METEOR_PROFILE=<n> (logs time spent) METEOR_DEBUG_SPRINGBOARD=1 (?) METEOR_DEBUG_...

Checking the Version of the Meteor Tool & Meteor Projects

Meteor Tool To check the installed version of the Meteor tool, just run the following command outside of any Meteor projects: meteor --version To get a list of all official (recommended) Meteor releases, run: meteor show METEOR Meteor Projects If you want to check the project version of Me...

Updating Meteor Projects & Installed Packages

The Meteor Tool will notify you when a newer release is available. To update Meteor projects to the latest release, execute the following command inside a Meteor project: meteor update In case you want to update your Meteor project to a specific Meteor release, run the following command inside ...

Leaflet Quick Start

<!DOCTYPE html> <html> <head> <title>My Leaflet Map</title> <link rel="stylesheet" href="//unpkg.com/[email protected]/dist/leaflet.css" /> <style type="text/css"> #map { height: 500px; ...

Draw line

CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetLineWidth(context, 5.0); CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB(); CGContextMoveToPoint(context, 200, 400); CGContextAddLineToPoint(context, 100, 100); CGContextStrokePath(context); CGColorSpaceRelease(colors...

What and Why ASP.NET Web API ?

What? : A fully supported and extensible framework for building HTTP based endpoints. In the world of HTML5, mobile devices, and modern development techniques HTTP have become the default option for building rich, scalable services. The ASP.NET Web API provides an easy to use set of default options...

Form Tag Helper - Basic example

<form asp-action="create" asp-controller="Home"> <!--Your form elements goes here--> </form>

Form Tag Helper - With custom route attributes

<form asp-action="create" asp-controller="Home" asp-route-returnurl="dashboard" asp-route-from="google"> <!--Your form elements goes here--> </form> This will generate the below markup <form action=&qu...

Input Tag Helper

Assuming your view is strongly typed to a view model like public class CreateProduct { public string Name { set; get; } } And you are passing an object of this to the view from your action method. @model CreateProduct <form asp-action="create" asp-controller="Home"...

Machine code

Machine code is term for the data in particular native machine format, which are directly processed by the machine - usually by the processor called CPU (Central Processing Unit). Common computer architecture (von Neumann architecture) consist of general purpose processor (CPU), general purpose mem...

Extensions and interfaces together enable DRY code and mixin-like functionality

Extension methods enable you to simplify your interface definitions by only including core required functionality in the interface itself and allowing you to define convenience methods and overloads as extension methods. Interfaces with fewer methods are easier to implement in new classes. Keeping o...

Why we use interfaces

An interface is a definition of a contract between the user of the interface and the class that implement it. One way to think of an interface is as a declaration that an object can perform certain functions. Let's say that we define an interface IShape to represent different type of shapes, we exp...

Installation or Setup

Shiny can run as a standalone application on your local computer, on a server that can provide shiny apps to multiple users (using shiny server), or on shinyapps.io. Installing Shiny on a local computer: in R/RStudio, run install.packages("shiny") if installing from CRAN, or devtools::i...

DateTime.Parse(String)

// Converts the string representation of a date and time to its DateTime equivalent var dateTime = DateTime.Parse("14:23 22 Jul 2016"); Console.WriteLine(dateTime.ToString());

DateTime.TryParse(String, DateTime)

// Converts the specified string representation of a date and time to its DateTime equivalent and returns a value that indicates whether the conversion succeeded string[] dateTimeStrings = new []{ "14:23 22 Jul 2016", "99:23 2x Jul 2016", "22/7/2016 14:23:0...

Reading POST data

Data from a POST request is stored in the superglobal $_POST in the form of an associative array. Note that accessing a non-existent array item generates a notice, so existence should always be checked with the isset() or empty() functions, or the null coalesce operator. Example: $from = isset($_...

Reading GET data

Data from a GET request is stored in the superglobal $_GET in the form of an associative array. Note that accessing a non-existent array item generates a notice, so existence should always be checked with the isset() or empty() functions, or the null coalesce operator. Example: (for URL /topics.ph...

Installation or Setup

Quickstart for Jekyll $ gem install jekyll $ jekyll new my-awesome-site $ cd my-awesome-site ~/my-awesome-site $ jekyll serve Now browse to http://localhost:4000 Quickstart for Jekyll with Bundler $ gem install jekyll bundler $ jekyll new my-awesome-site $ cd my-awesome-site ~/my...

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