Tutorial by Topics: rs

There are no real recursive querys!

Retry and RetryWhen can be used to attempt to recover Observables that might have errors in their stream. .retry(n: number): Observable n: retry will attempt the source Observable this many times. .retryWhen(receives: notificationHandler, the: scheduler): Observable receives: an Obs...

Format-Specifiers are used in Objective-c to implant object-values into a string. %@ //String %d //Signed 32-bit integer %D //Signed 32-bit integer %u //Unsigned 32-bit integer %U //Unsigned 32-bit integer %x //Unsigned 32-bit integer in lowercase hexadecimal format %X //Unsigned 32-bit ...

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

Note that the compiler will not prevent you from using variable for which its value ownership been transfeered.

This example show you how to format phone numbers with a patter You will need the following library in your gradle. compile 'com.googlecode.libphonenumber:libphonenumber:7.2.2'

Server Sent Events (SSE) is a unidirectional connection between a server and a client (usually a web browser) that allows the server to "push" information to the client. It is much like websockets and long polling. The main difference between SSE and websockets is that SSE is unidirectiona...

MessageBox is a simple concept for decoupling entities. For example entity A can place a message that entity B can read whenever suitable. A view controller would like to talk to another view controller, but you don't want to create a strong or weak relationship.

“A buffer pointer is used for low-level access to a region of memory. For example, you can use a buffer pointer for efficent processing and communication of data between apps and services.” Excerpt From: Apple Inc. “Using Swift with Cocoa and Objective-C (Swift 3.1 Edition).” iBooks. https://itun.e...

Reading data in from a csv can be handled in many ways. One solution is to read the csv file into an array. From there you can do work on the array.

Manipulating Regex for IPv4 and IPv6 and replacing by fake IP address in a readed log file

This module provides the ConfigParser class which implements a basic configuration language in INI files. You can use this to write Python programs which can be customized by end users easily. Each new line contains a new key value pair separated by the = sign Keys can be separated in section...

Storage class specifiers are keywords that can be used in declarations. They do not affect the type of the declaration, but typically modify the way in which the entity is stored. There are six storage class specifiers, although not all in the same version of the language: auto (until C++11), ...

Event Triggers will be fired whenever event associated with them occurs in database. Please use below link for complete overview of Event Triggers in PostgreSQL https://www.postgresql.org/docs/9.3/static/event-trigger-definition.html

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

Polymer Starter Kit is an excellent solution to start building Progressive Web Apps. It offers a responsive material design User Interface, Page Routing, Offline-first service. Polymer: Command for initiating polymer cli Polymer init: Presents a list of templates to choose to build your eleme...