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Design patterns to avoid [closed]
...s and principles that lay the foundation for most of the patterns. In fact one of my favorite books on 'design patterns' stresses this by reiterating on what principles are applicable on the pattern in question. They are simple enough to be useful than patterns in terms of relevance. Some of the pri...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...s have different approaches on building distributed systems :
RabbitMQ is one of the leading implementation of the AMQP protocol (along with Apache Qpid). Therefore, it implements a broker architecture, meaning that messages are queued on a central node before being sent to clients. This approach m...
What is the difference between a var and val definition in Scala?
...because I can't replace the object created on the line above with this new one.
x.value = new A(6) // Doesn't work, because I can't replace the object assigned to B.value for a new one.
x.value.value = 6 // Works, because A.value can receive a new object.
}
}
So, even though we can't cha...
How can I measure the similarity between two images? [closed]
I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depe...
AngularJS ng-class if-else expression
... from the variable is the better solution.
– VtoCorleone
Nov 19 '14 at 19:34
1
This is just a hin...
Get hostname of current request in node.js Express
...
However this one is better - because you can use it in modules that do not run always inside context of HTTP app
– Radagast the Brown
Nov 21 '12 at 11:41
...
Should I check in node_modules to git when creating a node.js app on Heroku?
...sm that can verify contents rather than versions.
Shannon and Steven mentioned this before but I think, it should be part of the accepted answer.
Update
The source listed for the below recommendation has been updated. They are no longer recommending the node_modules folder be committed.
Usually,...
What is the proper way to display the full InnerException?
...cases, but if you're using Entity Framework, this will not include ValidationErrors in DbEntityValidationException. See my response below.
– Sylvain Rodrigue
Aug 2 at 10:18
ad...
jQuery.click() vs onClick
... way is the unobtrusive way of handling events. Also to register more than one event listener for the target you can call addEventListener() for the same target.
var myEl = document.getElementById('myelement');
myEl.addEventListener('click', function() {
alert('Hello world');
}, false);
myEl...
How to import a module given its name as string?
...
One problem with this solution for the OP is that trapping exceptions for one or two bad "command" modules makes his/her whole command-app fail on one exception. Personally I'd for loop over each import individually wrapped i...