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Questions tagged [eda]

event-driven architecture

Event-driven architecture (EDA) is a software architecture pattern promoting the production, detection, consumption of, and reaction to events.

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What is SEDA (Staged Event Driven Architecture)?

SEDA: An Architecture for Well-Conditioned, Scalable Internet Services "SEDA is an acronym for staged event-driven architecture, and decomposes a complex, event-driven application into a set of stages connected by queues." I understand that it's an…
SEDA
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Good resources to learn about Event Driven Architecture

Looking for books, blogs, web sites or videos. At the moment I am getting a lot of value from the blogs of Udi Dahan and Greg Young, but I was wondering if there are any other experts out there worth listening to?
Codebrain
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Event-driven architecture and structure of events

I'm new to EDA and I've read a lot about benefits and would probably be interested to apply it during my next project but still haven't understood something. When raising an event, which pattern is the most suited: Name the event "CustomerUpdate"…
Cédric L. Charlier
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Closing a PreparedStatement after a single execute – is it a design flaw?

I have looked into various places, and have heard a lot of dubious claims, ranging from PreparedStatement should be preferred over Statement everywhere, even if only for the performance benefit; all the way to claims that PreparedStatements should…
afk5min
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Apache Camel ESB for C# and Java EDA

We are looking at integrating some of our coarse grained business Services using an Event Driven Architecture (EDA) and the server side of these Services (REST) are implemented in both Java and .NET (C#). We originally thought of using RabbitMQ (and…
Dokie
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API vs Event in Microservice approach

What about Smart endpoints and dumb pipes in terms of different type of requests? After reading that I was thinking that it's enough to subscribe for some events and deal with that. But now I've realised that sometimes you should have opened API…
user1016265
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Regex remove duplicate phrases in multiline string

What is the problem: I have a multiline text, for example: 1: This is test string for my app. d 2: This is test string for my app. 3: This is test string for my app. abcd 4: This is test string for my app. 5: This is test string for my app. 6: This…
G43beli
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Programming language for graphics, semiconductor layout

Is there any programming language to do graphical layout for semiconductor manufacturing? So far I am using LEdit, an expensive and rudimentary CAD program. As my design is composed of hundreds of identical cells with only small variations, creating…
Dan
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Need help on selecting items in simple database in python

I'm trying to write a circuit schematic drawing tool in Python. I'm creating a simple database based on dictionaries which holds all the components and their properties. I'm also trying to create a simple query language where you can select, for…
michael
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Clock in eda-playground.com in verilog

When trying to get the Clock waveform to display in EDA Playground I get the error "Execution interrupted or reached maximum runtime". How do I get the wave form to show? Code on EDA Playground: module test; reg clk; initial begin …
Abhi
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Conversion function "To_bit" must have exactly one formal parameter

I am getting above error while running modelsim on a VHDL Testcase and I am unable to understand why is it an error. The Testcase: LIBRARY IEEE; Use ieee.std_logic_1164.all; entity a is port (in11 : in std_logic ); end a; Architecture a of a…
Dharmendra
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Giving users immediate response in Event Driven Architecture

I have been reading a lot about Event Driven Architecture and it makes a lot of sense to me, but the issue of giving users immediate feedback is confusing me. Say there is a service ('EmployeeService') that holds a list of all employees. The…
Paul T Davies
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Open-source EDA project

Do you know any open-source project in EDA (Electronic Design Automation) looking for C++ programmers?
grigy
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Javaspaces, Rest and event-driven architectures

I'd like to know more about the convergence of Javaspaces, REST and Event-driven architectures. Where I could look for information about all technologies together, please? Thanks ^_^
Sergio
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Using SOA/EDA in a ECommerce application

As a company directive we are looking at using SOA/EDA as a targeted Architecture for re-factoring our 12 year old ECommerce site. The site has run its course and has become a challenge in adding new features and keeping it running. Based on a lot…
boyd4715
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