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NUWAY SOFTWARE Part 1: The "Old" Way Nuway's founders have worked in all aspects of software development: development: •
Contractors for professional services companies
•
In-house development team
•
Independent Independent consultant consultants s evaluating evaluating vendors vendors & professio professional nal ser companies
We've seen it all, and haven't liked what we've seen !here is someth fundamentally wrong with the current way software is "eing "uilt:
Professional services
In this environment software is written as #uickly as possi"le $ery o shor sh ortc tcut uts s with with sh shor ortt-te terrm gain gain and and longlong-te terrm pain pain and and are are tak taken
creates a messy, di%cult code "ase on which the solution will rely i
customers typically never look under the hood to see the code, they have idea how poorly things are running
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Useful Not useful ater, ater, when "usiness "usiness needs change, the softwar software e changes changes are e(tr
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leads to cryptic solutions that only the original author understand
developer circles this is often seen as .o" security: /I can't "e laid o i one else can change my code/ With the development team resources always availa"le onsite, there is
of an emphasis on developing 0ero *dministration systems !his appro
leads to having valua"le resources maintaining solutions rather than wor on new pro.ects
n %oth cases
1very team of developers seems to have their own way of doing thin namely their /development methodology/ 1ven not having a struct development
methodology
is,
itself,
a
methodology
ome of
development methodologies are "ased on a pick & choose approac You're Reading a Preview
standard practices 2thers are .ust /we've always done it this way/ !he
Unlock full access with a free trial. of an esta"lished and consistent development methodology causes pro.
to "e unsuccessful 3late, over "udget, 4awed5 yet customers are rarely Download With Free Trial position to understand why
TM Par t2:TheNuway
6ncover the issues with the /old/ way
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•
What if software could "e "uilt faster)
•
What if we could look at the mistakes of the last decade and tak dierent path to avoid them)
The N&ayT( •
)o t Ri*ht the First Ti$e
oftware isn't /developed/, it's constructed 7iano skills are develo You're Reading a Preview
gradually with lessons oftware is constructed, like an o%ce tower, at
Unlock full access with a free trial. time "ased on a "lueprint 8uality software starts with a #uality "lueprint
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oftware "lueprints are an art as much as a science !here is a "eauty
an elegance in simple designs It takes a senior developer with year
e(perience to draft simple e(tenda"le solutions to comple( pro"lems 9u
syste developers are shorter sighted, "ecoming theSign authors of convoluted up to vote on this title
with large maintenance costs !he "lueprint is
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critical step "ut only half of the entire formula
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lead to poor application performance, e(cessive use of cellular data trans "ugs, and high cost of change
* true craftsman will appear to cost more up front !he primary reason
that is they are guaranteeing the solution will "e done right the +rst ti
Craftsmanship results in a higher #uality solution with a lower overall cost
We follow the 6ni+ed oftware
methodology with
proven
success
!his
process
originally developed "y =ational oftware, a think tank on how to "uild "e software
!hrough a recent ac#uisition it is now owned and oper
"y I> >ecause this isn't something we /.ust made up/, our clients rest assured their pro.ect is in the hands of e(perts
You're Reading a Preview •
Ti$e and +d*ets are $#ortant Unlock full access with a free trial. Free Trial oftware is useless unless it Download solves a With speci+c pro"lem, within the "udget
"y a speci+c time 2ur e(perience and process allows us to accura predict the cost and schedule of your solution and stick to it •
Soft&are Solves Pro%le$s
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oftware isn't written for software's sake oftware solves pain points wi
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Partner With- Not Wor. For !o understand the "usiness pro"lem that must "e solved, we
completely understand the "usiness We partner with our clients "y learn
their "usiness, how it runs, and designing seamless solutions that +t wi the greater conte(t
Wh ati saSo f t wa r ePr o c es s
* software process, or methodology, de+nes the steps re#uired to cre software successfully !he >rief istory of oftware 7rocess
!eams have "een writing software sincea the @A's Clearly time has "rou You're Reading Preview
a"out many improvements Unlock in technology, and tools While th full access with a language, free trial.
advances are e(citing, the most important part of software constructio /the how/ not /with what/
Download With Free Trial
In the late BA's, three engineers ooch, and 9ames =um"augh each pu"lished a software development process 1ach Sign up to vote on this title
its own strengths and weaknesses !he software industry fell into sev Useful Not useful camps, each holding to one of these methodologies as "etter than the oth
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previously disparate forms of diagram notation Finally, a diagram could drawn and its intricacies immediately understood "y software deve across the world
!he second achievement was in EDDB when the !hree *migos pu"lished 6ni+ed
oftware
7rocess
3675
which
was
propriet
implemented as the =ational 6ni+ed 7rocess 3=675 GA !his pr
com"ined the "est points of the three other processes into one cohe
whole that could guide a pro.ect successfully from inception to completion
It would take several years for the signi+cance of these works to perme
the industry 1ven today many software teams are ignorant of these gro "reaking works !hree Complimentary ethodologies You're Reading a Preview
!o
the uninitiated, these Unlock methodologies look full access with a free trial.
to
"e
opposing
groups across the internet hold numerous de"ates on which method is
With Free Trial than the others !he truth is Download that they are wonderfully complementary, e
addressing dierent aspects of the inherent di%culty constructing softwar
Uni/ed Soft&are )evelo#$ent Process 0UP
up to vote on this title !here are four "asic principles of the uni+edSign process: that software sh Useful Not useful stress use cases 3which show how it interacts with users5, that the proces
architecture-centric, and that it is iterative and incremental 67 de+nes w
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J !ransition --
E2tre$e Pro*ra$$in* 03P !he three fundamental points of Kent >eck's 1(treme 7rogramming are:
changes can "e made to software "oth early and late in development with
increase in workload, that code should "e written in pairs so it is consta
under peer review, and that software should "e implemented as simply possi"le 3no over engineering in anticipation of future uses5
(icrosoft Soltions Fra$e&or. 0(SF
2"viously icrosoft has "een writing large scale software for over HA yea
undreds of thousands of software developers are enlisted in their icro
version of F provides a 4e(i"le framework for organi?ing a team, the ro and responsi"ilities throughout a pro.ect
You're Reading a Preview
ummary
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Free Trialand their dierent focu !he customi?a"le nature ofDownload these With processes
allows them to "e com"ined into a cohesive whole within an organi?ation
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Nu wa y ' sPr o c e s s
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Nuway oftware follows the 6ni+ed oftware
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documentation, confusion of what changes were made, and losing trac feed"ack or notes !he following synopsis outlines what our clients can e(pect as we together
on
the
pro.ect
*
speci+c
road
map
is
provided
commencement of a pro.ect 7hase E Inception
and the "usiness case for the product is presented 1ssentially, this ph answers
the
following
#ues
What is the system primarily going to do for each of its ma.or us What
could
an
architecture
for
that
system
look
What is the plan and what will it costs to develop the product) You're Reading a Preview
* simpli+ed document that contains the most critical use cases answers Unlock full access with a free trial.
+rst #uestion *t this stage the architecture is tentative It is typically .us Free Trial outline containing the mostDownload crucial With su"systems In this phase, the
important risks are identi+ed and prioriti?ed, the ela"oration phas planned in detail, and the whole pro.ect is roughly estimated 7hase H 1la"oration
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is e(pended
architecture of the system is sta"le, however, "ecause the constructors m discover "etter ways of structuring the system, they may suggest
architectural changes to the architects *t the end of this phase, the prod
contains all the use cases that management and the customer agree develop for this release 7hase J !ransition !his phase covers the period during which the product moves into release 3typically to a soft-release environment5 * small num" e(perienced users try the product and report defects and de+cie Constructors then correct the reported pro"lems 6ser documentation training are provided during this period
You're Reading a Preview
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Ab ou tCr a f t s ma ns h i p
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Nuway is committed to "ringing craftsmanship and raising the "ar in
profession >elow we descri"e how we "elieve software should "e writ
to vote on this titleour indus We unashamedly share our opinion of whatSign is up wrong within Useful Not useful owever, criticism without care for solutions is of no more "ene+t tha
clanging gong or a crashing sym"ol: it's loud and annoying to everyone
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What we mean "y Craftsmanship Craftsmanship is the fusion of attitude and competency
*ttitude is one's personal motivation to doing their "est Craftsmanship ta
eort Craftsmanship re#uires discipline !he right attitude fuels the h
clim" necessary to learn improved ways of doing things ome people w
to do well, "ut never put in the eort In this case their actions "etray t true mind-set
Competency is one's a"ility or skill in a +eld Competency comes from m
paths: natural talent, education, trial and error, and e(perience over ti
=egardless of how it comes, competency is the e(tent of control some
has on achieving their desired result omeone may desperately want to p
o?art on the piano, "ut if they haven't taken any lessons, the goal is sim out of grasp
You're Reading a Preview Unlock full access with a free trial.
!he mark of a craftsman is someone with a wealth of e(perie Download With Free Trial demonstrated a"ility, and a strong desire to do "etter ne(t time
Why Craftsmanship Counts
forw oftware construction is a continual process of choosing one way Sign up to vote on this title
from do?ens 3or hundreds5 of possi"ilities *llUseful of these stack useful Notchoices
ultimately "ecome the +nished product * person with the right attitude
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can "e done once or re#uire several round trips !he many round trips co
"e GA( slower, "ut it is easier to program When many shortcuts like this
taken the software suddenly only runs on high-end hardware, or doe
allow remote users to work eectively Now poor craftsmanship is costing client money
Well crafted code is easy to change and e(tend, even "y someone who di
previously work on the system When all of the classes in the code h meaningful names and follow proper rules of encapsulation, it's a #uick
pleasura"le e(perience to add additional functionality If the code resem
/spaghetti/ it will take a long time to make the change and s#uash all
resulting "ugs Now poor craftsmanship is costing the client mone unnecessary eort
You're Reading a Preview
!he =ight way to Write CodeUnlock full access with a free trial. Download With Free Trial )esi*n Patterns O%4ect Oriented Pro*ra$$in* 0OOP thro*h
ost, if not all, programming tasks can "e "oiled down to a generic pro"l
It is likely these generic pro"lems have already "een solved !he solutio
a generic programming pro"lem is called a
patterns ensures you are solving a pro"lem correctly, in a way that will sc Useful Not useful and you won't run into unforeseen road"locks in the future
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1ach routine performs one well-de+ned task If a routine does onl thing, it's easy to +nd a pro"lem or know where to make a change
$aria"le names are descriptive of the "usiness value they contai things like: var, val, i, ., etc
J
pecial values are enumerated or stored as constants inste /magic num"ers/ o
i?e LL 7i??ai?earge is clearer than i?e LL EH
5ode 5o$$ents
When code isn't clear through self-documenting 3see a"ove5, Nuway prov the relevant comments !his is #uality, not #uantity We a"ide "y following principles when commenting: E
You're Reading a Preview
Clarify the intent of the code, don't e(plain what it does Unlock full access with a free trial.
H
Whenever a decision is "eing made in the code, e(plain why
o
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If an e(ternal *7I re#uires calling two methods in a particular orde Sign up to vote on this title
work this must "e captured for future reference when someone is do Useful Not useful maintenance
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Refactorin* !ypically your +rst attempt at something is never your "est * second
will typically show "etter ways of accomplishing the same goal =ewri
your code a second time is called refactoring !his isn't something left to end /when I have time/, it's part of the process Mou refactor as you go
rules used in refactoring are e(tensive, "ut the reason Nuway practice are: E
Improves the design of software
H
akes software easier to understand
elps you +nd "ugs
J
elps you program faster
Notation
You're Reading a Preview Unlock full access with a free trial.
Nuway follows the icrosoft standards for programming notation purpose is to make the software code look Download With Free as Trialmuch like icrosoft's so don't have to switch mental gears as you read E H
In C, we use camel case notation In COO we use ungarian notation
Test )riven )esi*n
G
P
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team "uilds the total pro.ect, all the individual tests "uild up in
e(tensive arsenal of tests that can very #uickly guarantee the entire sys is operating correctly !his is critical to reducing the cost of changes in future Now a change can "e made, the automated tests run, an
integrity of the system veri+ed without copious amounts of manual la"ou
)oc$entation Following the 67 generates a lot of working documentation *l
documentation is in 6 , the industry standard notation 2ur documenta includes: E
6se Case diagrams - to show stake holder ownership and system
H
*ctivity
Class
J
e#uence
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Sorces E
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1rich amma, =ichard elms, =alph 9ohnson, and 9ohn $lis
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teve cConnell, Code Complete icrosoft 7ress, EDD JGP
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Kent >eck, eQtreme 7rogramming, *ddison Wesley, HAAA
NuwayGuar ant ee
2ur wealth of e(perience fused with industry standard "est practices ena us to unashamedly guarantee: •
•
Mou will understand speci+cally what your responsi"ilities are client and what Nuway will look after Mou will only need to identify "usiness needs, pro"lems, and points; we take care of the rest
•
Mou will know precisely when the pro.ect will complete, not a day lat
•
Mou will know e(actly what the pro.ect will cost, not a penny more
•
You're Reading a Preview Mou will know the status of your pro.ect Unlock full access with a free trial.
•
Mou will see that you are in the hands of e(perts Download With Free Trial
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