S.Wojnowski - web development

Helping make the web work for everyone.

Welcome to my website. My name is Sylwester Wojnowski. I am a full stack web developer who started programming for the internet in 1998. As a web developer I plan, design and implement intereactive internet technologies and applications for individuals and organisations.

Web Developer Zone

Web Developer Zone is a code first section devoted to tools and techniques used in web development. Thematically, the main focus here is on PHP, Linux, BASH, JavaScript and a little bit of MySQL and Python.

Pick of the week

Dissecting e-mail spamming hack based on PHP CGI

Dissecting e-mail spamming hack based on PHP CGI

24 Jul 2020 18:27:44


Article about how vulnerable PHP CGI setups can become a source of e-mail spam.


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Recent

Developing for browser with mocha, chai and window node modules

04 Aug 2020 23:21:09

Developing for browser with mocha, chai and window node modules

Recently, when trying to write a bookmarklet for Firefox in JavaScript I faced a problem with testing DOM reliant operations in it. The bookmarklet was being written in Node environment and tested with Mocha and Chai. Since, node does not provide jsdom, I had to look for an ...

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Piping JSON object to PHP script

03 Aug 2020 00:39:31

Piping JSON object to PHP script

In this article I look at how to pass a string from a shell script to a PHP program. This problem shows up regularly to me when I make a HTTP request with curl on the command line and have to process response data returned by the utility, often JSON encoded data, using ...

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cURL over HTTPS - web mailbox authentication and data access

01 Aug 2020 16:35:27

cURL over HTTPS - web mailbox authentication and data access

CURL is one of these killer command line tools, which are as good today, in the age of ever more ubiquitous JavaScript and APIs as they were years ago, in gone-by times when a simple GET or POST HTTP request would have done what it takes. It is a transport tool, which ...

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Turning OOP class to graph for better code composition and understanding

28 Jul 2020 00:28:15

Turning OOP class to graph for better code composition and understanding

Comprehending code is often a hard and time-consuming task. It becomes even harder when a piece of code your are dealing with is a large class with a sizeable number of properties and methods. Level complexity grows even further when object based on a class starts calling ...

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SWWW

S.Wojnowski - web developer

SWWW is my place on the web where I write on stuff related to web development. Main focus here is on my own programs and scripts, but also websites I have developed over years or helped develop, improve or maintain. In the Web Developer Zone I take a closer look at various solutions related to web development and computer programming.

If you find any of my projects interesting, useful or would like to know more on it, do let me know. This website has a contact form. Altenatively, you can leave a comment under an article on the blog.

Need a web developer?

S.Wojnowski - Hire a web developer

If you need a web developer for web development work drop me a line!

I am based in Wakefield, UK, but always happy to consider remote work opportunities.

Contact Me