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ASCII

Three little tools: mmsum, mmwatch, mmhistogram

2017-07-04

In a recent blog post, my colleague Marek talked about some SSDP-based DDoS activity we'd been seeing recently. In that blog post he used a tool called mmhistogram to output an ASCII histogram....

John Graham-Cumming

Three little tools: mmsum, mmwatch, mmhistogram

The oldest trick in the ASCII book

2015-04-12

ASCII Programming

If you're old enough (or interested enough) to have spent a lot of time messing around with the ASCII table then you might have run into a strange fact: it's possible to uppercase ASCII text using just bitwise AND....

John Graham-Cumming