What's a good design pattern for bidirectional signals/events?
Let’s learn what's a good design pattern for bidirectional signals/events. The most accurate or helpful solution is served by Programmers.
There are ten answers to this question.
Best solution
This problem feels rather basic, yet I've never known a great solution. I'm looking for a way for components in an application to notify each other while being as decoupled as possible (both at build/compile and run time), but also avoiding circular notifications in a way that components do not need to self-mitigate against. I happen to be hitting this issue (for the hundredth time) in JavaScript right now, but that is incidental. Some means of decoupling include: Dependency injection (DI). In...
Answer:
The general solution to avoid repeating boilerplate is to pull it out into its own class. In this case...
Jason Boyd at Programmers Mark as irrelevant Undo
Other solutions
Problem: You want users to be able to publish data, but reuse the canonical version of that data if it already exists in the system. Current examples I've identified: * Quora's Search and Add Question Bar * Plancast's Search and Add Events Bar * Use...
Answer:
Thanks for highlighting the pattern! The following two comes to mind. Uservoice http://posterous.uservoice...
Chui Tey at Quora Mark as irrelevant Undo
As part of my course curriculum I have to do a Hobby Project. While searching of it i come across one miscellaneous work in electronics with the use of Cathode ray oscilloscope. What i saw was an electronics event in India, so i cant approach them for...
Answer:
One easy way is to simply use the knob to change the fixed X or Y rate of your scope to variable. All...
wires at Yahoo! Answers Mark as irrelevant Undo
In the minds of many confused people, a single-celled human zygote, which has no nerves and cannot suffer, is infinitely sacred, simply because it is 'human'. Changing what it means to remember changes what it means to be. New studies show that these...
Answer:
I think it's very long and I don't want to read it all. If a summary were presented, I might say what...
Jeremy Miles at Quora Mark as irrelevant Undo
I want something like this on my upper arm, quite big so its visible when I have me tshirt on. http://img23.imageshack.us/img23/6568/designiliketakingfromat.jpg obviously it'll need to be re-designed because I dont like the angel, she needs changed and...
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i love it, its really cool! you could maybe replace the big skull with a film cell that might look quite...
adam! at Yahoo! Answers Mark as irrelevant Undo
Social Media / General Etiquette: Acceptable to ask a friend to invite some of their Facebook friends to follow your artistic website’s Facebook page? Some background: I’m a writer of literature. For a decade, Iâ...
Answer:
It is generally fine for you to ask, though some people will be annoyed and a lot of people will simply...
cotesdurhone at Ask.Metafilter.Com Mark as irrelevant Undo
If you are thinking about approaching a friend or family member regarding your suspicions of an eating disorder where is a good place to start? Gossip and let the entire school hear about their problem. Ignore it until the person's health is seriously...
Answer:
Why don't you tell us what you wrote down for the answers and we'll tell you if you're right or not...
Jon Christian at Yahoo! Answers Mark as irrelevant Undo
Question 42 The area you can see around you is called field of vision. peripheral vision. selective seeing. path of travel. Question 45 Searching for other roadway users includes identifying only those in motor vehicles. signs, signals, and roadway markings...
Answer:
Field of vision Signs signals and roadway markings watching for users to your sides Your field of vision...
tina at Yahoo! Answers Mark as irrelevant Undo
"Aliens Cause Global Warming" A lecture by Michael Crichton California Institute of Technology Pasadena, CA January 17, 2003 My topic today sounds humorous but unfortunately I am serious. I am going to argue that extraterrestrials lie behind...
mano w at Yahoo! Answers Mark as irrelevant Undo
This is PBS's biography on her: Janine Antoni was born in Freeport, Bahamas in 1964. She received her BA from Sarah Lawrence College in New York, and earned her MFA from the Rhode Island School of Design in 1989. Antoni’s work blurs the distinction...
Answer:
Yes she has done some really interesting pieces, but lately her work has kind of "dropped off"...
Cely at Yahoo! Answers Mark as irrelevant Undo
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