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Index Match for Excel

A more versatile alternative to VLOOKUP. An Index Match packs the power of a Vlookup and Hlookup in one formula. You also do not need to know which number column/row the information is. Due to this, deleting columns/rows will not mess up the formula.

excel • Examples (2)

Event Model

ExtJS advocates the use of firing of and listening for events between classes. By firing events and listening for fired events, classes require no 'dirty' knowledge of each others' class structure and prevent coupling code together. Additionally, events make it easy to listen to multiple instances o...

extjs • Examples (1)

Handling touch and motion events

A summary of some of the basic touch/motion-handling systems in the Android API. ListenerDetailsonTouchListenerHandles single touches for buttons, surfaces and moreonTouchEventA listener that can be found in surfaces(e.g. SurfaceView). Does not need to be set like other listeners(e,g. onTouchLi...

Android • Examples (3)

Installation of Perl

I'm going to begin this with the process in Ubuntu, then in OS X and finally in Windows. I haven't tested it on all perl versions, but it should be a similar process. Use Perlbrew if you like to switch easily beween different versions of Perl. I want to state that this tutorial is about Perl in it...

Perl Language • Examples (3)

Frequency Distributions

This topic focuses on the use of the nltk.FreqDist() class.

nltk • Examples (1)

Functions

Functions are pieces of code that can be executed by other functions of your program. Your program always starts with the main function. See also asynchronous functions. Methods are exactly the same as function, but they act on an object instance.

vala • Examples (5)

Usage of `accumarray()` Function

accumarray allows to aggregate items of an array in various ways, potentially applying some function to the items in the process. accumarray can be thought of as a lightweight reducer (see also: Introduction to MapReduce ). This topic will contain common scenarios where accumarray is especially use...

MATLAB Language • Examples (2)

Creating Commands

dropwizard • Examples (1)

OpenGL

OpenGL ES is a graphics library that iOS uses to do 3D rendering.

iOS • Examples (1)

ActiveRecord Transactions

ActiveRecord Transactions are protective blocks where sequence of active record queries are only permanent if they can all succeed as one atomic action.

Ruby on Rails • Examples (1)

Docker deployment

Docker is a very popular container solution being used widely for deploying code in production environments. It makes it easier to Manage and Scale web-applications and microservices. This document assumes that docker is installed and the daemon running. You can refer to Docker installation to...

PHP • Examples (4)

Layout of object types

Creating app using Polymer Starter Kit

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...

polymer • Examples (1)

Turbolinks

Turbolinks is a javascript library that makes navigating your web application faster. When you follow a link, Turbolinks automatically fetches the page, swaps in its <body>, and merges its <head>, all without incurring the cost of a full page load. As a rails developer, you will li...

Ruby on Rails • Examples (5)

Return a JSON Response with Slim

slim • Examples (2)

ConstraintSet

This class allows you to define programmatically a set of constraints to be used with ConstraintLayout. It lets you create and save constraints, and apply them to an existing ConstraintLayout.

Android • Examples (1)

SUPER-Optimising for production

Once your project is done, you are left to wonder how will you upload those load of a 100 HTML imports on your web server and even if you do that, how much hours your site is going to take to load for a single client. In this topic, you'll see how to convert the development mess into refined single...

polymer • Examples (5)

Overview of Unix

Developed in AT&T Bell Labs by Ken Thomson as a single user OS in 1969. Initially written in assembly language Developed as multi-user OS. later rewritten in C in 1973 Licensed to university for educational purposes in 1974 POSIX (Portable Operating System for Unix) was developed

unix • Examples (4)

Boxed values

Boxes are a very important part of Rust, and every rustacean should know what they are and how to use them

Rust • Examples (3)

Extending List of Entities Supported by Tasks, Events and Activities

In this topic you will learn how to extend the Related Entity Description field with a custom entity for Tasks, Events and Activities.

acumatica • Examples (1)