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Technology

The simplest form of technology is the development and use of basic tools. The prehistoric discovery of how to control fire and the later Neolithic Revolution increased the available sources of food, and the invention of the wheel helped humans to travel in and control their environment.

What is the application layer in an industrial network?

What is the application layer in an industrial network?

Think of all the tasks that take place behind the scenes when you interact with a program or application — such as an internet browser or email client — on a computer network. For example, the data being exchanged must be disassembled into packets, which are then transmitted across the network and

What do I care the open web is dying?

What do I care the open web is dying?

Part 1: How your user experience changes for the worse as the open web gives way to walled gardens I hang out in two circles. Open web enthusiasts that are lamenting its demise, and regular users who are happy with their fast snappy apps and couldn’t care less. These

Apple Silicon M1: A Developer's Perspective

Apple Silicon M1: A Developer's Perspective

The excitement around Apple’s new M1 chip is everywhere. I bought a MacBook Air 16GB M1 to see how viable it is as main development machine – here’s an early report after a week of testing. Xcode Xcode runs FAST on the M1. Compiling the PSPDFKit PDF SDK (debug,

Summary of the Amazon Kinesis Event in the Northern Virginia (US-EAST-1) Region

Summary of the Amazon Kinesis Event in the Northern Virginia (US-EAST-1) Region

My thoughts before I post Amazon’s response: Running out of file handles and other IO limits is embarrassing and happens at every company, but I’m surprised that AWS was not monitoring this. I’m also surprised at the general architecture of Kinesis. What appears to be their own

Manual Memory Management in Go using jemalloc

Manual Memory Management in Go using jemalloc

The purpose of this post is to document our trial, error, and best findings with regards to manual and automatic memory collection in Go. Our excitement for Go has gone beyond building systems, and has led us to even write scripts in Go that would typically be written in Bash

Apple's New M1 Processor: RISC vs. CISC Architecture

Apple's New M1 Processor: RISC vs. CISC Architecture

Apple has now released the M1 Apple Silicon chips, and after all the fuzz you may be wonder what makes it different from an intel or AMD processor? You have probably heard M1 referred to as an ARM processor and that ARM is a so called RISC processor, unlike x86

How Students Hacked Blackboard and Changed Their Grades

How Students Hacked Blackboard and Changed Their Grades

Please note: this occurred in 2018, and has been properly patched and archived. The vulnerabilities were immediately reported to Blackboard and the NTNU Security Operations Center on the 9th of February 2018. They were confirmed patched 61 days later. How did the Blackboard exploit work? A student (attacker) submits an