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Design Patterns in Ruby (Addison-Wesley Professional Ruby Series)

Praise for layout styles in Ruby

"Design styles in Ruby files shrewdpermanent how you can unravel many difficulties that Ruby builders in most cases come across. Russ Olsen has performed an excellent task of choosing vintage styles and augmenting those with more moderen styles that experience particular relevance for Ruby. He in actual fact explains each one notion, creating a wealth of expertise on hand to Ruby builders for his or her personal day-by-day paintings. "

—Steve Metsker, handling advisor with Dominion electronic, Inc.

"This booklet presents a good demonstration of the foremost 'Gang of Four' layout styles with no resorting to overly technical motives. Written in an actual, but virtually casual type, this e-book covers adequate flooring that even these with no previous publicity to layout styles will quickly think convinced making use of them utilizing Ruby. Olsen has performed an excellent task to make a booklet a few classically 'dry' topic into such an interesting or even sometimes funny learn. "

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Write Great Code, Volume 1: Understanding the Machine

If you've requested anyone the key to writing effective, well-written software program, the reply that you've most likely gotten is "learn meeting language programming. " by means of studying meeting language programming, you find out how the desktop relatively operates and that wisdom may also help you write larger high-level language code. a filthy little mystery meeting language programmers infrequently admit to, even if, is that what you actually need to profit is computing device association, no longer meeting language programming. Write nice Code Vol I, the 1st in a sequence from meeting language specialist Randall Hyde, dives correct into computing device association with no the additional overhead of studying meeting language programming whilst. and because Write nice Code Vol I concentrates at the computing device association, now not meeting language, the reader will study in better intensity these topics which are language-independent and of outrage to a excessive point language programmer. Write nice Code Vol i'll support programmers make wiser offerings with admire to programming statements and information forms whilst writing software program, regardless of which language they use.

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C om The Code 49 In a sense this doesn’t reflect English sentence structure. “Timer” is the object; “read” the verb, and objects come after the verb. But a name is not a sentence, and we do the best we can do in an imperfect world. German speakers, though, will find the trailing verb familiar. Since functions usually do something, it’s wise to have an action word, a verb, as part of the name. Conversely, variables are just containers and do nothing. Variable names should be nouns, perhaps modified by adjectives.

One team I know avoids this problem by typedefing a name like iName to long, which means not only is the code ugly, but the Hungarian nomenclature lies to the unwary. com 48 Chapter 3 C types are problematic. Is an int 16 bits? 32? 2 Forming names Linnaeus’ hierarchy of names, which today consists of the kingdom, phylum, class, order, family, genus, and species, is reflected in biological names like Homo sapiens. The genus comes first, followed by the more specific, the species. It’s a natural way to identify large sets.

In no other industry can a company ship a poorly tested product, often with known defects, without being sued. Eventually the lawyers will pick up the scent of fresh meat in the firmware world. Partition to accelerate the schedule, ship a higher quality product … and one that’s been properly tested. Reduce the risk of litigation. Extreme partitioning is the silver bullet to solving the software productivity crisis. Obviously, not all projects partition as cleanly as those described here. But only a very few systems fail to benefit from clever partitioning.

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