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Computed GOTO allows branching of the program according to the value of an integer expression. GOTO (label_1, label_2,... label_n) scalar-integer-expression If scalar-integer-expression is equal to 1 the program continues at statement label label_1, if it is equal to 2 it goes to label_2 and so ...

There are three MonoBehaviour methods that can be made coroutines. Start() OnBecameVisible() OnLevelWasLoaded() This can be used to create, for example, scripts that execute only when the object is visible to a camera. using UnityEngine; using System.Collections; public class RotateObje...

Let's set yourself up to build your own awesome Progressive Web App with Polymer! Before you can start installing Polymer you require the following: Node.js - check out the StackOverflow Installing Node.js Documentation Bower - you can install Bower using the Node Package Manager installe...

Avoid unnecessary operations and method calls wherever you can, especially in a method which is called many times a second, like Update. Distance/Range Checks Use sqrMagnitude instead of magnitude when comparing distances. This avoids unnecessary sqrt operations. Note that when using sqrMagnitude,...

Usage If you have a long running operation that relies on the not-thread-safe Unity API, use Coroutines to split it over multiple frames and keep your application responsive. Coroutines also help performing expensive actions every nth frame instead of running that action each frame. Splitting Lon...

ActiveWorkbook and ThisWorkbook sometimes get used interchangeably by new users of VBA without fully understanding which each object relates to, this can cause undesired behaviour at run-time. Both of these objects belong to the Application Object The ActiveWorkbook object refers to the workbook ...

ScriptableObjects are serialized objects that are not bound to scenes or gameobjects as MonoBehaviours are. To put it one way, they are data and methods bound to asset files inside your project. These ScriptableObject assets can be passed to MonoBehaviours or other ScriptableObjects, where their pub...

You create new ScriptableObject instances through ScriptableObject.CreateInstance<T>() T obj = ScriptableObject.CreateInstance<T>(); Where T extends ScriptableObject. Do not create ScriptableObjects by calling their constructors, ie. new ScriptableObject(). Creating ScriptableO...

Extra care should be taken when accessing serialized fields in a ScriptableObject instance. If a field is marked public or serialized through SerializeField, changing its value is permanent. They do not reset when exiting playmode like MonoBehaviours do. This can be useful at times, but it can also...

Problem Cross-site scripting is the unintended execution of remote code by a web client. Any web application might expose itself to XSS if it takes input from a user and outputs it directly on a web page. If input includes HTML or JavaScript, remote code can be executed when this content is rende...

preg_match can be used to parse string using regular expression. The parts of expression enclosed in parenthesis are called subpatterns and with them you can pick individual parts of the string. $str = "<a href=\"http://example.org\">My Link</a>"; $pattern = "/...

You can quit Emacs with the following keybinding: C-x C-c Where C is the control key. Suspend Emacs You can suspend Emacs using the following keybinding : C-z It gets you back to your shell. If you want to resume your emacs session, enter fg in your terminal.

Often you will get into a state where you have a partially typed command sequence in progress, but you want to abort it. You can abort it with either of the following keybindings: C-g EscEscEsc

"Window" in Emacs refers to what might otherwise be called a "pane" or "screen division". Some window manipulation commands include: Split current window horizontally: C-x 2 Split current window vertically: C-x 3 Select next window: C-x o Close current window: C-x...

Pre-requisites This article demonstrated installing oozie-4.3.0 on Hadoop 2.7.3 Java 1.7+ Hadoop 2.x (here, 2.7.3) Maven3+ Unix box Step1: Dist file Get oozie tar.gz file from http://www-eu.apache.org/dist/oozie/4.3.0/ and extract it cd $HOME tar -xvf oozie-4.3.0.tar.gz Step2: Build ...

Ansible is best used from a checkout. It runs as you (not root) and it has minimal python dependencies. Python pip dependency install with pip: sudo pip install paramiko PyYAML Jinja2 httplib2 six Next, clone the Ansible repo from GitHub: cd ~/Documents git clone git://github.com/ansible/ans...

The border-[left|right|top|bottom] property is used to add a border to a specific side of an element. For example if you wanted to add a border to the left side of an element, you could do: #element { border-left: 1px solid black; }

Detailed instructions on getting image-processing set up or installed.

Detailed instructions on getting vb6 set up or installed.

dplyr introduces a grammar of data manipulation in R. It provides a consistent interface to work with data no matter where it is stored: data.frame, data.table, or a database. The key pieces of dplyr are written using Rcpp, which makes it very fast for working with in-memory data. dplyr's philosoph...