Juozas devBlog

If you have been programming websites long enough you would know that user input is first think to worry about when thinking about security. It’s really hard to decide what data is acceptable, especially when user has permission to insert HTML content through form.
For example, if you are developing CMS you need to make sure [...]

In one of my projects, we need to send emails to our suppliers with new orders as Excel spreadsheets. We used to do it by hand, but when you have 10 suppliers and you make 200 products orders per week, after some time you are just tired of creating Excel spreadsheets, mailing them and so [...]

Static images have correct headers – Apache sends them by default. Different story is with all dynamic generating content – if you don’t send correct headers user’s browser will load it every time. It’s not always good, because generated thumbnails doesn’t change every time and should be cached in browser’s cache. If you want to [...]