Writting Better Software

Writing better software Svilen Ivanov, Netclime Inc. (svilen@netclime.com)

The Goal ,[object Object],[object Object],[object Object],[object Object]

The Philosophy (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Philosophy (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Philosophy (3) ,[object Object],[object Object],[object Object],W hat do you want them to learn? What is their i nterest in what you've got to say? How s ophisticated are they? How much d etail do they want? Whom do y o u want to own the information? How can you m otivate them to listen to you?

The Approach (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Approach - DRY ,[object Object],class Line { public: Point start; Point end; double length; }; class Line { public: Point start; Point end; double length() { return start.distanceTo(end); } };

The Approach - DRY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to change a diaper ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Approach - Orthogonality ,[object Object],[object Object],[object Object],[object Object],Move parallel to X-axis No change on Y-axis X Y

The Approach - Orthogonality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Approach - Orthogonality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],aspect Trace { advise * FooClass.*(..) { static before { Log.write(“Entering: “ + methodName); } } }

The Approach - Orthogonality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reversibility ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tracer Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Prototyping ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Prototyping (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Domain Languages (1) ,[object Object],[object Object],<Test port80_gandalf> Host gandalf.al.nc Pace 300 Port 80 Type port <Dependancy>mars::mars_ping</Dependancy> </Test> <Test dcp_trial_chartscape_net> Type dcp Host trial.chartscape.net URI /Common/watchcub.html <Dependancy>port80_gandalf</Dependancy> </Test>

Domain Languages (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],expect login: send svilen expect password: send s3cre3t

Estimating ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What's next (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What's next (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thank you! ,[object Object],[object Object],[object Object]

Writting Better Software

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