MVC custom validator with client side validation

I wanted to have a reusable email validator since there have been a few cases already where I needed one. Previously I just used the RegularExpressionAttribute but that’s verbose for email. So, without thinking much, I created an attribute that derived from RegularExpressionAttribute and supplied it with a regex I used – that turned out to be a surprise.

By on (tags: mvc, categories: code)

WYSIWYG, WYSIWYM and all that jazz

So you have a requirement – supply the possibility to create and edit rich formatted text in a web application. Seems pretty straightforward – use a ready editor and you’re done.

Now, add some constraints to that, like – the editor needs to be dead simple because the target user does not care about all that semantic stuff (that’s your job), it needs to perform well and be as intuitive as it gets.

This is a pretty valid requirement and in todays web is pretty common, but as it turns out, there isn’t a lot of maneuvering space here.

By on (tags: editors, categories: web)

String concatenation and the myths that go with it

I’ve heard a lot of advice about how I should and how I should not concatenate strings. I’ve stuck to them, but the moment of questioning was inevitable. So I spun up a small app to see what’s what. If you’re interested, read along.

By on (tags: performance, categories: code)