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Using Node.js only vs. using Node.js with Apache/Nginx
...isplay meaningful error pages or fall back onto a static site if your node service crashes. Otherwise users may just get a timed out connection.
Running another web server in front of Node may help to mitigate security flaws and DoS attacks against Node. For a real-world example, CVE-2013-4450 is pr...
Why all the Active Record hate? [closed]
...n" objects that are accessed by your controllers via these DataMapper (or "service layer") classes. These do not directly mirror the database, but act as your OO representation for some real-world object. Say you have a User class in your domain, and need to have references to, or collections of oth...
What is the difference between IQueryable and IEnumerable?
... out-of memory things like a remote data source, such as a database or web service.
Query execution:
Where the execution of a query is going to be performed "in process", typically all that's required is the code (as code) to execute each part of the query.
Where the execution will be performed o...
What’s the best RESTful method to return total number of items in an object?
I’m developing a REST API service for a large social networking website I’m involved in. So far, it’s working great. I can issue GET , POST , PUT and DELETE requests to object URLs and affect my data. However, this data is paged (limited to 30 results at a time).
...
Why do I need Transaction in Hibernate for read-only operations?
...your environment can deal with connection-per-thread binding.
Declaring a service as @Transactional will give you one connection for the whole transaction duration, and all statements will use that single isolation connection. This is way better than not using explicit transactions in the first pla...
A cron job for rails: best practices?
...this is quite an old question and answer! Some new info:
the heroku cron service I referenced has since been replaced by Heroku Scheduler
for frequent tasks (esp. where you want to avoid the Rails environment startup cost) my preferred approach is to use system cron to call a script that will eith...
What is Express.js?
...amework for Node.js
It is used for easier creation of web applications and services
Express.js simplifies development and makes it easier to write secure, modular and fast applications. You can do all that in plain old Node.js, but some bugs can (and will) surface, including security concerns (eg. n...
Good or bad practice for Dialogs in wpf with MVVM?
...
What if instead of using services, one uses a sort of Callback to facilitate interaction with the ViewModel and the View? For example, View executes a Command in the ViewModel, then when all is said and done, the ViewModel fires a Callback for the Vi...
What is the difference between POST and GET? [duplicate]
...al reason for why GET should only be used to retrieve data:
Authors of services which use the HTTP protocol SHOULD NOT use GET based forms for the submission of sensitive data, because this will cause this data to be encoded in the Request-URI. Many existing servers, proxies, and user agents wil...
Difference between binary semaphore and mutex
...happen (a sensor being tripped for example).
Sensor Trips and an Interrupt Service Routine runs. It needs to notify a task of the trip.
Task B should run and take appropriate actions for the sensor trip. Then go back to waiting.
Task A Task B
... ...