Tutorial by Examples: at

template<class ... Types> struct Tuple {}; A parameter pack is a template parameter accepting zero or more template arguments. If a template has at least one parameter pack is a variadic template.

Entity toBeTeleported; //The entity you want to teleport Location teleportTo = new Location(world,x,y,z,yaw,pitch); //The location to teleport to boolean success = toBeTeleported.teleport(teleportTo); if(success) { //Teleport was successful }else { //Teleport wasn't success...

Java's checked exception mechanism requires the programmer to declare that certain methods could throw specifed checked exceptions. This is done using the throws clause. For example: public class OddNumberException extends Exception { // a checked exception } public void checkEven(int number) ...

MediaTypeFormatter is an abstract class from which JsonMediaTypeFormatter and XmlMediaTypeFormatter classes inherit from. Here, JsonMediaTypeFormatter class handles JSON objects and XmlMediaTypeFormatter class handles XML objects. Return only JSON irrespective of the Accept Header value: To return...

CREATE OR REPLACE TRIGGER CORE_MANUAL_BIUR BEFORE INSERT OR UPDATE ON CORE_MANUAL FOR EACH ROW BEGIN if inserting then -- only set the current date if it is not specified if :new.created is null then :new.created := sysdate; end if; end if; -- always s...

ReactiveCocoa supports macOS 10.9+, iOS 8.0+, watchOS 2.0+, and tvOS 9.0+. Carthage If you use Carthage to manage your dependencies, simply add ReactiveCocoa to your Cartfile: github "ReactiveCocoa/ReactiveCocoa" ~> 5.0 If you use Carthage to build your dependencies, make sure you...

This will be a relatively comprehensive tutorial of how to write a command line tool to print the weather from the zip code provided to the command line tool. The first step is to write the program in ruby to do this action. Let's start by writing a method weather(zip_code) (This method requires the...

Some functions in R produce a side effect (i.e. saving, printing, plotting, etc) and do not always return a meaningful or desired value. %T>% (tee operator) allows you to forward a value into a side-effect-producing function while keeping the original lhs value intact. In other words: the tee op...

It is often useful to build matrices out of smaller matrices. Horizontal Concatenation Matrices (and vectors, which are treated as column vectors) can be horizontally concatenated using the hcat function. julia> hcat([1 2; 3 4], [5 6 7; 8 9 10], [11, 12]) 2×6 Array{Int64,2}: 1 2 5 6 7 ...

Create simple CRUD Operation Using Serverless Framework Install Serverless framework globally npm install serverless -g Create simple Lambda Service serverless create --template aws-nodejs --path myService Go to the myService Directory it should contain serverless.yml handler.js even...

Generators are fast coded and in many cases a slim alternative to heavy iterator-implementations. With the fast implementation comes a little lack of control when a generator should stop generating or if it should generate something else. However this can be achieved with the usage of the send() fu...

In the following example we will be creating a table called Membership using the AWS Java SDK for DynamoDB. The table will consist of items that represent team assignments. The table will be partitioned by TeamID. Each team will have multiple members, identified by the MemberID (as a sort key). AWS...

Regular expressions can be used to validate inputs by counting the number of matches. var validDate = false let numbers = "35/12/2016" let usPattern = "^(0[1-9]|1[012])[-/.](0[1-9]|[12][0-9]|3[01])[-/.](19|20)\\d\\d$" let ukPattern = "^(0[1-9]|[12][0-9]|3[01])[-/](0[1...

Underscore is an open source functional programming utility library for JavaScript. Underscore provides many useful functions for working with arrays or collections of JavaScript objects, including filtering, sorting and querying. Node.js Make sure you have node and npm installed then type the fol...

Create a simple servlet: package web.example; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse...

public class BucketSort { public static void SortBucket(ref int[] input) { int minValue = input[0]; int maxValue = input[0]; int k = 0; for (int i = input.Length - 1; i >= 1; i--) { if (input[i] > maxValue) maxValue = input...

If you are tired of using long commands in bash you can create your own command alias. The best way to do this is to modify (or create if it does not exist) a file called .bash_aliases in your home folder. The general syntax is: alias command_alias='actual_command' where actual_command is the c...

Preconditions These instructions suppose you have any type of Linux, Unix, Mac with bash or Git-bash Windows. Windows: Download and install Git-bash for Windows, then execute 'bash' from command line. Other shells than bash are fine too, just replace the activate command below with activate.csh...

Log in to the AWS Management Console and navigate to AWS Lambda. Click create new function then you will see this window. Select Runtime environment but blueprint (sample code) only for node.js and python There are two example conation for alexa skills kit. You can filter those thing. By s...

JSON arrays represent a collection of objects. In JS, theres a bunch of collection functions off of them such as slice, pop, push. Objects have just more raw data. A JSONArray is an ordered sequence of values. Its external text form is a string wrapped in square brackets with commas separating the ...