One of the most used patterns is also a pattern that hears by the name Observer. What does it do? Well, imagine you have a stock portfolio and you need to notify your investors every time the value of their stock changes. First, your investors need to subscribe to the stock they would like to […]
Database names.nsf on public servers usually contains all details about users, groups, server configurations. With R8 this content is now seen on the web by default. There are plenty of possibilities how to secure the data. The easiest one though is to check Don’t allow URL open on application properties. As always there is a […]
At work, we experienced an interesting problem. We use public servers names.nsf to register new web users. However, a couple of months back, that suddenly stopped working. A person document was created, user was added to all required groups, but upon login, a user would obtain an error that he is not authorized to perform […]
In my years of developing software, I come to realize that what every software development department needs is: some sort of IDE with a compiler version control and bug tracking. Usually you get stuck with IDE with a compiler. Everything else is up to you. But how are things in Lotus Notes?
Another quite useful pattern is Adapter pattern. Adapters represent an interface between two different classes. For example imagine being a continental EU citizen travelling to UK. For you to plug in to UK power plug, you need an adapter that will take the interface your connector has and output the interface UK power plug demands.
One would think, creating and running web services on ND8 should not be incompatible with ND7 process. Wrong. There are a few quite important differences when creating web services on ND8 instead of ND7. You can now create clients. The one we’ve all been waiting for since ND7 came out. Web services created/built on ND8 […]
I do wish all of you a happy and successful New year 2009. May all your wishes come true and all your code work. Oh, and you have probably noticed, there won’t be an article this week ;).
I have found an interesting challenge last week. For some reason, I had to have a document on web that would show a computed table of products and there would be some content before and after. The trick however is, that we use some sort of CRM database for our web content and documents use […]
Factory method pattern definition: The Factory method pattern defines an interface for creating and objects, but lets subclasses to decide which class they will create. Huh? I will try to present this pattern on a simple example. Imagine you work in a company that sales software. However, this software is, due to different laws, different […]