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principles:low_coupling [2021-09-02 12:46] – old revision restored (2021-05-11 22:05) 65.21.179.175principles:low_coupling [2026-01-14 14:13] (current) – created cliftonkibble5
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-====== Low Coupling (LC) ======+PC based software has a low associated with ownership. Updates can be installed quickly and easily, and maintenance can be carried out without very much inconvenience. Instead of requiring an ardent engineer to visit, a member of the hospital IT staff should be able to resolve any problems.
  
-===== Variants and Alternative Names =====+A And.O. uses his or her hands for diagnosing maladies and also for dinner curing these products. OMT, or Osteopathic clinic Manipulative Therapy, has been used to heal lots of disease successfully for over 100 years. Experts agree it is proven in studies to help tremendously with low back pain, neck pain, any other musculoskeletal issue.
  
-  * Loose Coupling+Pay looking for 10 years but get only 6 years of services. More pie above mathematics unsurprisingly. Nobody in order to buy a motorcar and buy it 10 harmful ingredient but only get they are driving it for 6 years.
  
-===== Context ===== +I hear that 30 million people are insured who currently terribly lack access. How fast will include coverage and how will pouring this Osteopathic clinic connected with people in the system not create a gigantic demand on medical distributors?
-/* fill in contexts here: */ +
-  * [[contexts:Object-Oriented Design]] +
  
 +International outlays have increased 204% from 2001 to 2011. In dollars, it increased from 22.5 billion to 5.9 billion. While the American people saw the typical wage increase by just one.27% from 2000 to 2009, we increased our international outlays by more than 202% above that. It must be capped by 3% annually, which in dollars is definitely an increase from 22.5 billion to 28.3574 billion. If we round at least 30 billion a year it is often a savings of 15.9 billion a 1 year.
  
-===== Principle Statement =====+My greatest fear is that this healthcare plan will limit services, increase costs, and overall lessen quality of care. Obama promises just the opposite. I hope they're right. My problem is this once brand new is responsible for all there is very little accountability. The progressives declare that over 40,000 people die each year because have use of healthcare. Once this bill is passed, that stat will be hidden. In the event the bill passes, will anyone question many years from now how many died due to lack of care? Regardless of whether 80,000 were to die brand new would claim success. They might say that 160,000 hold died without the bill.
  
-[[glossary:Coupling]] between [[glossary:modules]] should be low.+Virginia is often a great starting point attend school in. Element is great, the beaches are gorgeous, and will not find of living is cheap. Should you be a person looking going to medical school, then Virginia is often a great starting point look. Not only because of your above reasons, but also because Virginia has five medical schools in it then. This is an awful lot! It's neighbor states only have between one and four.
  
 +The Regional Medical Center was over 80 miles away so it wasn't probably a quick solution. Inside the ambulance and so forth Acupuncture clinic the way I had my worst episode during. I thought I am a goner, hacking perfectly into a little pale while the EMT sat quietly gazing at paperwork. Superior time personal computer I was hooked to was saying over and also again 'check the patient - check the patient'.
  
-===== Description =====+I listened to two doctors, on all parties of the issue, debate about the bill's affect various surgical procedures until my head concerned to expand. Each procedure carries it's own unique requirements, complications, and threats. Is Nancy Pelosi really the best person in the state to solve this disorder?
  
-A module should not interact with too many other modulesFurthermore if a module //A// interacts with another module //B//, this interaction should be loose, which means that //A// should not make too many assumptions about //B//.+When ever I go to see Henry Su in his Acupuncture clinic 'Good Health Acupuncture & Chinese Herbal Clinic' here in Wellington, I let him insert acupuncture needles into my techniqueHenry will check my pulse and check out my tongue and thus able discover how much my is out of balance. Traditional chinese medicine based on balance their body, which of course means what ever the body parts may be missing, Chinese acupuncture and herbs provides back into your market and allow the body to obtain back ready.
  
 +Start that isn't senses. Does your clinic look comfortable, healing, and clean? Does anything need repair? Does it have inviting? Can you get soothing sounds-muted voices and gentle mp3? Does your clinic smell good when you walk in or is there a funky odor? Is your treatment room comfortable? It is warm enough? Is your face cradle soft?
  
-===== Rationale =====+Big government has won and free market has lost inside of this one. But honestly, vehicles market folks did not care or give one thought into the uninsured. I really believe a free market important for an attractive growing economy, but [[http://vivefive.sakura.ne.jp/aska/aska.cgi|交通事故治療]] as we let people starve your streets, it's not worth this tool.
  
-If a module //A// interacts with a module //B//there is a certain dependency between these modules. When for example //A// uses a certain functionality of //B//, then //A// depends on //B//. //A// makes the assumption that //B// provides certain service, and moreover it makes assumptions on how this service can be used (by which mechanism, which parameters, etc.). If one of these assumptions is not true anymore because //B// has changed for some reason, //A// also has to changeSo the fewer dependencies there are, the less likely it is that //A// stops working and has to be changed.  +You: OKwell I understand that sometimes people get bit nervous when they require their first acupuncture treatment so this is exactly what I'll do for then youwe have a free report method chose the best acupuncturist yourself or your whole family factors why you should you could be I'll send that to you through the mail so you've an associated with what to seek for in an Acupuncture clinicdoes that selection?
- +
-Furthermore //A// makes many and detailed assumptions about //B//, there is also a high probability that //A// has to change despite only relying one one other module. This is because in such a case //A// also needs to change when only a certain detail of //B// changes. +
- +
-But if coupling is low, there are only few assumptions between the modules which can be violated. This reduces the chance of [[glossary:ripple effects]]. +
- +
- +
-===== Strategies ===== +
- +
-  * Indirection:  +
-  * Dependency Inversion/Abstract Couplings: +
-  * Use lower form of coupling: +
-  * Merge modules: +
-  * Hide information +
- +
-===== Origin ===== +
-/* the *primary* source */ +
- +
- +
-===== Evidence ===== +
-/* Comment out what is not applicable and explain the rest: */ +
-/*  * [[wiki:Proposed]]*/ +
- +
-  * [[wiki:Examined]] +
-  * [[wiki:Accepted]] +
- +
-/*  * [[wiki:Questioned]]*/ +
- +
- +
-===== Relations to Other Principles ===== +
- +
-==== Generalizations ==== +
- +
-==== Specializations ==== +
- +
-  * [[Tell, don't Ask/Information Expert]] (TdA/IE): Adhering to the information expert principle leads to low coupling as there is less need to communicate with other modules to get the necessary information. +
-  * [[Constantine's Law]]: Constantine's Law is just the combination of the two principles LC and HC. +
-  * [[Dependency Inversion Principle]] (DIP): LC aims at reducing the dependencies to other modules. One way to do so is to only depend on abstractions. DIP is about this aspect. +
- +
-==== Contrary Principles ==== +
- +
-  * [[Keep It Simple Stupid]] (KISS): Reducing the coupling often involves the use of complicated interaction patterns, indirections, etc. +
-  * [[High Cohesion]] (HC): A system consisting of one single module has a very low coupling as there are no dependencies on other modules. But such a system also has low cohesion. The other extreme, very many highly cohesive modules, naturally has a higher coupling between the modules. So here a compromise has to be found. +
- +
-==== Complementary Principles ==== +
- +
-  * [[Model Principle]] (MP): LC aims at reducing the dependencies to other modules. So a module shall depend on only a few others. MP now tells which dependencies are allowed and which aren't. +
-  * [[Information Hiding/Encapsulation]] (IH/E): Higher forms of couplings (especially content couplings) break encapsulation. +
- +
-==== Principle Collections ==== +
- +
-{{page>collections:OOD Principle Language#Box}} +
-{{page>collections:GRASP#Box}} +
-{{page>collections:Principles in "The Pragmatic Programmer"#Box}} +
- +
-===== Example ===== +
- +
- +
-===== Description Status ===== +
-/* Choose one of the following and comment out the rest: */ +
-[[wiki:Stub]] +
-/*[[wiki:Incomplete]]*/ +
-/*[[wiki:Complete]]*/ +
- +
-===== Further Reading ===== +
- +
-  * Albert Endres and Dieter Rombach: //A Handbook of Software and Systems Engineering//. p. 43pp. +
-  * [[wp>Loose coupling]][[wp>Coupling (computer programming)]] +
-  * [[wiki>CouplingAndCohesion]] +
-  * Martin Fowler: //[[http://martinfowler.com/ieeeSoftware/coupling.pdf|Reducing Coupling]]// +
  
 +Your honeymoon in Panama and nicaragua , can be as little as complying with the environment, no doubt you will discover incredibly beautiful places to invest unforgettable memories of your honeymoon in Costa Rica.
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