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Laws Of Software Development

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Conway Law Brooks law The Second System Effect Not invented here Syndrome Conceptual Integrity Relationship of Brooks Law and Conway Law Real Insights into Architecture Come Only From Actual Programming
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Program Understanding OSS development model Project Management The True Believer SE quotes Humor Etc

We have several established law and a dozen of so not so well established. Among  more or less established laws of software development we can mention the following:


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NEWS CONTENTS

Old News ;-)

19 Eponymous Laws Of Software Development

Postel's Law

The law that inspired this post…

Be conservative in what you send, liberal in what you accept.

Jon Postel originally articulated this as a principle for making TCP implementations robust. This principle is also embodied by HTML which many attribute as a cause of its success and failure, depending on who you ask.

In today's highly charged political environment, Postel's law is a uniter.

Parkinson's Law

Otherwise known as the law of bureaucracy, this law states that…

Work expands so as to fill the time available for its completion.

As contrasted to Haack's Law which states that

Work expands so as to overflow the time available and spill on the floor leaving a very sticky mess.

Pareto Principle

Also known as the 80-20 rule, the Pareto Principle states…

For many phenomena, 80% of consequences stem from 20% of the causes.

This is the principle behind the painful truth that 80% of the bugs in the code arise from 20% of the code. Likewise, 80% of the work done in a company is performed by 20% of the staff. The problem is you don't always have a clear idea of which 20%.

... ... ...

The Peter Principle

One of the most depressing laws in this list, if you happen to have first-hand experience with this via working with incompetent managers.

In a hierarchy, every employee tends to rise to his level of incompetence.

Just read Dilbert (or watch The Office) to get some examples of this in action.

... ... ...

Murphy's Law

The one we all know and love.

If anything can go wrong, it will.

Speaking of which, wait one second while I backup my computer.

The developer's response to this law should be defensive programming and the age old boy scout motto, Be Prepared.

Brook's Law

Adding manpower to a late software project makes it later.

Named after Fred Brooks, aka, Mr. Mythical Man Month. My favorite corollary to this law is the following…

The bearing of a child takes nine months, no matter how many women are assigned.

Obviously, Brook was not a statistician.

Conway's Law

Having nothing to do with country music, this law states…

Any piece of software reflects the organizational structure that produced it

Put another way…

If you have four groups working on a compiler, you'll get a 4-pass compiler.

How many groups are involved in the software you are building?

... ... ...

Moore's Law

Probably the most famous law in computing, this law states…

The power of computers per unit cost doubles every 24 month.

The more popular and well known version of Moore's law states…

The number of transistors on an integrated circuit will double in about 18 months.

And we've been racing to keep up ever since.

... ... ...

Wirth's law

Software gets slower faster than hardware gets faster.

Ha! Take that Moore's Law!

Zawinski's Law

This law addresses software bloat and states…

Every program attempts to expand until it can read mail. Those programs which cannot so expand are replaced by ones which can.

I hear that the next version of calc.exe is going to include the ability to read email. A more modern formulation of this law should replace email with RSS.

... ... ...

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Society

Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers :   Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism  : The Iron Law of Oligarchy : Libertarian Philosophy

Quotes

War and Peace : Skeptical Finance : John Kenneth Galbraith :Talleyrand : Oscar Wilde : Otto Von Bismarck : Keynes : George Carlin : Skeptics : Propaganda  : SE quotes : Language Design and Programming Quotes : Random IT-related quotesSomerset Maugham : Marcus Aurelius : Kurt Vonnegut : Eric Hoffer : Winston Churchill : Napoleon Bonaparte : Ambrose BierceBernard Shaw : Mark Twain Quotes

Bulletin:

Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 :  Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method  : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law

History:

Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds  : Larry Wall  : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOSProgramming Languages History : PL/1 : Simula 67 : C : History of GCC developmentScripting Languages : Perl history   : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history

Classic books:

The Peter Principle : Parkinson Law : 1984 : The Mythical Man-MonthHow to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Hater’s Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite

Most popular humor pages:

Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor

The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D


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Last modified: June 05, 2021