It is very useful with single sheets being printed on both sides, where you want to be able to update the sheets. You would have pages 1+2 printed on one sheet, pages 3+4 on one sheet, and so on. If ...

Just make sure that your server certificates are always Ok. Don't let them run out, don't redirect to URLs with a different address and use the same server certificate and so on. Because then your ...

For your responses in your user interface, assume that the user is a genuine user who is making a mistake. They are the only targets for your user interface. For security reason, make sure that you ...

The rule is that you should put names into categories, and sort them, in such a way that your users will find them where they expect them. You follow the rules of the user's language. For example, if ...

Well, I suppose this is UX design for the not-so-small number of users who are professional software developers... Let me first state that a programming language states what is legal code and what is ...

The space saving alternative: Two buttons, "Male" and "Female", and at most one can be highlighted. It's a filter. Filters remove data from a dataset. Select "Male" and only records marked as "Male" ...

One, sorting is a feature that users will take for granted. So no user will ever tell you how great that sorting feature is - they will tell you and be very unhappy if that feature is gone. Two, I'd ...

If I miss an item because a programmer was too lazy to sort properly and put all lowercase letters after all uppercase letters, I'd be really annoyed. Look at what tools you have available. For ...

Whatever you do, don't make it hard to use the app while driving. Making it impossible is fine, making it hard isn't. The reason: There will always be someone who really wants to use your app while ...

When would it help? If your password is a correct word, and you spell it wrong. When would it be unhelpful? If your password is not a correct word, but close enough for the spelling checker to fix it, ...

"This name already exists" is quite bad. The fact that the name exists is no problem. The problem is that a file with that name exists. So of the three initial options, "File name already used" is the ...

It's slightly more complicated: The currency symbol identifies a currency, which has an exchange rate, and has nothing to do with localisation. If someone owes me 100 Canadian dollars then this doesn'...

Users unsubscribe because they don't want to hear from you anymore. Typically, in a family you have people who click on every button available, then complain that their mailbox is full of spam, and ...