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Reference Links

Reference Links

This is a partial list of tabs I have had open on my desktop for some time and think I will need to refer to again at some point in the future. Most of these go to W3 SChools examples or reference materials.

These are examples we have been using or intend to use.

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Installing Signal on the Raspberry Pi

Linux (Debian-based) Install Instructions The following instructions for installing the Signal client on Linux are copied verbatim from signal.org . These instructions are formatted so they may be used directly as a bash shell script. # NOTE: These instructions only work for 64-bit Debian-based # Linux distributions such as Ubuntu, Mint etc. # 1. Install our official public software signing key: wget -O- https://updates.signal.org/desktop/apt/keys.asc \ | gpg --dearmor > signal-desktop-keyring.gpg cat signal-desktop-keyring.gpg \ | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null # 2. Add our repository to your list of repositories: echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg]\ https://updates.signal.org/desktop/apt xenial main' \ | sudo tee /etc/apt/sources.list.d/signal-xenial.list # 3. Update your package database and install Signal: sudo apt update && sudo apt install signal-desktop ...

CSS Animation and Movement Effects

List of documentation with examples from w3schools.com: CSS 3 transition Property The transition property is a shorthand property for: transition-property transition-duration transition-timing-function transition-delay Note:  Always specify the transition-duration property, otherwise the duration is 0s , and the transition will have no effect. CSS Animations tutorial from W3 Schools

Real-time Digital Clocks

Links to source code for real-time digital clocks in Javascript: W3 Schools TryIt ™ Javascript Clock How to Design Digital Clock using JavaScript ? Some clocks made by sumkittehz using the examples listed above: codez: Real-time Digital Clocks codez: Clock 2 codez: Digital-Clock-js