Since 1998, Alden Hosting is a provider of business-class Web hosting to small- and medium-sized businesses, providing professional, efficient, and reliable services. We provide everything you need to get your business on the Internet. We make it easy and affordable. Alden Hosting's feature-rich hosting plans and excellent 7 days a week toll-free customer support empower you to efficiently build a Web business that will grow with your changing needs.
start a web hosting business sumOfValues "Smalltalk method" ^self values inject: 0 into: [ :sum :element | sum + element value] inject works like this. The first time the associated block is called, sum is set to inject's parameter (zero in this case), and element is set to the first element in the array. The second and subsequent times the block is called, sum is set to the value returned by the block on the previous call. This way, sumcan be used to keep a running total. The final value of inject is the value returned by the block the last time it was called.
start a web hosting business Ruby does not have an inject method, but it's easy to write one. In this case we'll add it to the Array class, while on page 100 we'll see how to make it more generally available. class Array def inject(n) each { |value| n = yield(n, value) } n end def sum inject(0) { |n, value| n + value } end def product inject(1) { |n, value| n * value } end end [ 1, 2, 3, 4, 5 ].sum » 15 [ 1, 2, 3, 4, 5 ].product » 120 Although blocks are often the target of an iterator, they also have other uses.
start a web hosting business Let's look at a few. Blocks for Transactions Blocks can be used to define a chunk of code that must be run under some kind of transactional control. For example, you'll often open a file, do something with its contents, and then want to ensure that the file is closed when you finish. Although you can do this using conventional code, there's an argument for making the file responsible for closing itself. We can do this with blocks.
start a web hosting business
Web Hosting Links Portal
Web Hosting
JSP Hosting
Tomcat Hosting
MySQL Hosting
servlets Hosting
Web Site Hosting
JSP Hosting
Tomcat Hosting
MySQL Hosting
servlets Hosting
JSP Web Hosting
JSP Web Hosting
Servlet Web Hosting
Servlet Web Hosting
Alden Trading
Alden Shoes
ebootery
Minnetonka Moccasins
myMoccasins
Protecting Your Assets Portal
Offshorelaw links
Offshorelaw
INTERNET LARGEST NEW CAR BUYING SERVICE
Where You will Find every wedding service you will need
Where You will Find every wedding service you will need
unemployment benefit services
unemployment benefit services
unemployment benefit services
Menu Paper
Menu Paper
Dancing Waters
Dancing Waters
start a web hosting business