Paolo Redaelli personal blog

Author: Paolo Redaelli

The fairy of compromised servers

I’ve been visited by the fairy of compromised servers! Otherwise how would you explain mail like this: From paolo.redaelli@$COMPRIMISED_DOMAIN.it Sat May 13 03:36:49 2017 Envelope-to: paolo@MY_OWN_DOMAIN Delivery-date: Sat, 13 May 2017 03:36:49 +0200 From: "Paolo Redaelli" <paolo.redaelli@$COMPRIMISED_DOMAIN.it> To: "Paolo Redaelli" <paolo@MY_DOMAIN> Subject: =?utf-8?B?4piARnc6IHNvbWUgaW5mbyB0aGF0IG1heSBiZSB1c2VmdWw=?= If case you’re wondering, no, I’m not that crazy to send emails…

From an IT professional, working in a fashion firm: The administration/accounting tells us that the IT cost shall be between 0,6-0,8% of revenues. I shall keep this in mind.  

KaTeX – The fastest math typesetting library for the web

 KaTeX – The fastest math typesetting library for the web Type an expression: f(x) = \int_{-\infty}^\infty<br /> \hat f(\xi)\,e^{2 \pi i \xi x}<br /> \,d\xi See how it renders with KaTeX\KaTeXKATEX: f(x)=∫−∞∞f^(ξ)e2πiξxdξf(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x} \,d\xif(x)=∫​−∞​∞​​​f​^​​(ξ)e​2πiξx​​dξ Simple API, no dependencies – yet super-fast on all major browsers. Math typesetting on…

Link

I want to dive a little into WordPress codebase but modern PHP is quite a different language from what I’ve learned – albeit a little – way ago, so long ago that WordPress didn’t even existed then. Beside reading the obvious official documentation, I’ve discovered that the almighty O’Really seems not to have a recent book on PHP, or a book about recent PHP either. As books from Packt publishing quite often turns out to be “quite shallow”, I’ve been looking for info the good old way, namely IRC channels. They told me these little gems:

Well, they really look the right documentation for me.