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Using Kafka as a (CQRS) Eventstore. Good idea?
...t conflicting events. To scale request load, it is common to use stateless services while preventing write conflicts using conditional writes (only write if the last entity event was #x). A.k.a. Optimistic Concurrency. Kafka does not support optimistic concurrency. Even if it supported it at the top...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
... to restart your PostgreSQL server. If you're on Linux, that would be sudo service postgresql restart.
These are brief descriptions of both options according to the official PostgreSQL docs on authentication methods.
Peer authentication
The peer authentication method works by obtaining the cli...
How to implement history.back() in angular.js
...gt;Back</a>
(If you want it to be more testable, inject the $window service into your controller and use $window.history.back()).
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How do I pass variables and data from PHP to JavaScript?
...u stop using PHP, and want to move to a servlet, a REST API, or some other service, you don't have to change much of the JavaScript code.
More readable - JavaScript is JavaScript, PHP is PHP. Without mixing the two, you get more readable code on both languages.
Allows for asynchronous data transfer ...
RESTful call in Java
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If you are calling a RESTful service from a Service Provider (e.g Facebook, Twitter), you can do it with any flavour of your choice:
If you don't want to use external libraries, you can use java.net.HttpURLConnection or javax.net.ssl.HttpsURLConnection ...
How to get config parameters in Symfony2 Twig Templates
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You can also take advantage of the built-in Service Parameters system, which lets you isolate or reuse the value:
# app/config/parameters.yml
parameters:
ga_tracking: UA-xxxxx-x
# app/config/config.yml
twig:
globals:
ga_tracking: "%ga_tracking%"
Now...
Spring Data: “delete by” is supported?
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Typically, in an application, you will have @ Service classes/methods and those will be calling the Repositories. And @ Service public methods should be the methods that are marked @ Transactional because transactions are Use Case based. Meaning a use case needs to fully...
Unknown provider: $modalProvider
...This kind of error occurs when you write in a dependency for a controller, service, etc, and you haven't created or included that dependency.
In this case, $modal isn't a known service. It sounds like you didn't pass in ui-bootstrap as a dependency when bootstrapping angular. angular.module('myModu...
How to prevent that the password to decrypt the private key has to be entered every time when using
I've an automatic building service which download from a git private repository.
The problem is that when it tries to clone repository it need to provide the password, because it is not remembered; so because there is no human interaction, it waits forever the password.
How can I force it to remembe...
Solr vs. ElasticSearch [closed]
...scalability and much more
Amazon ElastiCache - Amazon ElastiCache is a web service that makes it easy to deploy, operate, and scale an in-memory cache in the cloud.
Please note that Amazon ElastiCache is protocol-compliant with Memcached, a widely adopted memory object caching system, so code, app...