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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
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Probably better to use a service like Mandrill for sending emails in a production environment
– Codebling
Dec 3 '15 at 11:47
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What exactly is node.js used for? [closed]
...t can we build with NodeJS:
REST APIs and Backend Applications
Real-Time services (Chat, Games etc)
Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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How to continue a Docker container which has exited
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Follow these steps:
Run below command to see that all the container services both running and stopped on. Option -a is given to see that the container stops as well
docker ps -a
Then start the docker container either by container_id or container tag names
docker start <CONTAINER_ID> ...
What's the actual use of 'fail' in JUnit test case?
...arios.
For example:
final CountDownLatch latch = new CountDownLatch(1);
service.asyncCall(someParameter, new ResponseHandler<SomeType>() {
@Override
public void onSuccess(SomeType result) {
assertNotNull(result);
// Further test assertions on the result
latch...
Interop type cannot be embedded
...s have restrictions. One of them is that you cannot embed classes (it's a servicing issue). Misha has a detailed blog article on why this is not allowed
http://blogs.msdn.com/mshneer/archive/2009/12/07/interop-type-xxx-cannot-be-embedded-use-the-applicable-interface-instead.aspx
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Find the PID of a process that uses a port on Windows
My service crash on startup with the classic:
7 Answers
7
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How to list containers in Docker
...ker command set is simple and holds together well:
docker stack ls
docker service ls
docker image ls
docker container ls
Teaching the aliases first is confusing. Once you understand what's going on, they can save some keystrokes:
docker images -> docker image ls
docker ps -> docker contain...
Proper Repository Pattern Design in PHP?
...cify any persistence; it could be anything: SQL database, xml file, remote service, an alien from outer space etc.
For searching capabilities, the Repository constructs an Selector which can be filtered, LIMIT-ed, sorted and counted. In the end, the selector fetches one or more Entities from the per...
What is a database transaction?
...ly database. We can extend this concept to other components - like queuing service, or state of external systems. So, "A series of data manipulation statements that must either fully complete or fully fail, leaving the system in a consistent state"
– Michał Chaniewski
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How to run a Python script in the background even after I logout SSH?
I have Python script bgservice.py and I want it to run all the time, because it is part of the web service I build. How can I make it run continuously even after I logout SSH?
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