Webdev

PHP: Prepare (sanitize, transliterate, convert, change) user string (input) for filename or url address

This function will help you to create filename from user input (custom string). It can be used for creation of URL adresses. First of all install PHP Intl extension.

List of capital cities with latitude and longitude

This is a list of the capital cities with a geographic location (latitude and longitude). You can use this data in your Google (MapQuest, Mapbox, Yandex, Bing) maps when you want to display country with marker above the capital.

How you can improve business processes (and ROI) by creating of your own email newsletter

How you can improve business processes (and ROI) by creating of your own email newsletter

The email newsletter is a great way how to improve ROI within any online portfolio. If you are an Internet based entrepreneur, you should definitely consider creating one.

What to do when your Ubuntu server is used by botnet to spread email spam

What to do when your Ubuntu server is used by botnet to spread email spam

My server IP address was included in the industry most serious email spam blacklists: BARRACUDA, CBL, ivmSIP, SORBS SPAM, Spamhaus ZEN. Obvious signal that something was wrong.

Payment processing options for an online store

Payment processing options for an online store

Recently, I spent some time exploring the ways how to receive payment within the online store with the global scope. The assignment was to find the best possible, widely acceptable payment solution (PS) for a website with a simple shopping cart.

Simple maps for your website based on Leaflet and OpenStreetMap

Simple maps for your website based on Leaflet and OpenStreetMap

This small tutorial will help you add simple maps based on open source data into your website. Map solution is based on Leaffet JS library and OpenStreetMap.org.