Tutorial by Topics: then

Entity Framework (EF) is an object-relational mapper (ORM) that enables .NET developers to work with relational data using domain-specific objects. It eliminates the need for most of the data-access code that developers usually need to write. Entity Framework allows you to create a model by writi...

A run is a consecutive sequence of repeated values or observations. For repeated values, R's "run-length encoding" concisely describes a vector in terms of its runs. Consider: dat <- c(1, 2, 2, 2, 3, 1, 4, 4, 1, 1) We have a length-one run of 1s; then a length-three run of 2s; the...

Devise is a very powerful gem, it allows you to sign up, sign in and sign out options just after installing. Moreover user can add authentications and restrictions to its applications. Devise also come with its own views, if user wants to use. A user can also customize sign up and sign in forms acco...

ParameterDetailsResponse status401 if the origin server requires authentication, 407 if an intermediate proxy requires authenticationResponse headersWWW-Authenticate by the origin server, Proxy-Authenticate by an intermediate proxyRequest headersAuthorization for authorization against an origin se...

Entity Framework (EF) Core is a lightweight and extensible version of the popular Entity Framework data access technology. EF Core is an object-relational mapper (O/RM) that enables .NET developers to work with a database using .NET objects. It eliminates the need for most of the data-access code...

This section provides an overview of what encryption is, and why a developer might want to use it. It should also mention any large subjects within encryption, and link out to the related topics. Since the Documentation for encryption is new, you may need to create initial versions of those rela...

This section provides an overview of what firebase-authentication is, and why a developer might want to use it. It should also mention any large subjects within firebase-authentication, and link out to the related topics. Since the Documentation for firebase-authentication is new, you may need t...

Add path : PATH=$PATH:/new/path Add path : PATH=/new/path:$PATH ParameterDetailsPATHPath environment variable Bash configuration file: This file is sourced whenever a new interactive Bash shell is started. In GNU/Linux systems it's generally the ~/.bashrc file; in Mac it's ~/.bash_profi...

IF [condition 1] THEN [statements to execute when condition 1 is TRUE]; ELSIF [condition 2] THEN [statements to execute when condition 2 is TRUE]; ELSE [statements to execute when both condition 1 & condition 2 are FALSE]; END IF;

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

What is an encoding and how it works? A computer can't store letters or anything else - it stores bits. Bit can be either 0 or 1 ("yes"/"no", "true"/"false" - these formats are called binary therefore). To use these bits some rules are required, to convert ...