| // I always do this. Always. | |
| Array(4).fill(undefined); | |
| Object.values(Array(6,7,8)).length === Number(Object.keys([7,6,4]).pop()) + 1 |
| /* | |
| take an approach leveraging the platform implementation's internal parser for things to validate, | |
| if it works in these on the user-experience side confirm the input is as-intended | |
| possibly by entering the same value twice or similar user-controlled validation | |
| email and date validation is too complex for pattern matching; | |
| */ | |
| function validEmail(email=''){ | |
| var $0, url, isValid = false, emailPatternInput = /^[^@]{1,64}@[^@]{4,253}$/, emailPatternUrl = /^[^@]{1,64}@[a-z][a-z0-9\.-]{3,252}$/i; |
late 2018 encrypted disk per https://openzfsonosx.org/wiki/Encryption
create new encrypted disk
plug in device
$ diskutil list
important to be absolutely certain of the device
$ sudo zpool create -f -o ashift=12 -O compression=lz4 -O casesensitivity=sensitive -O atime=off -O normalization=formD -O encryption=on -O keylocation=prompt -O keyformat=passphrase NAMEOFIT /dev/disk####
will interactively prompt for passphrase
next time importing plug in the device
| § install | |
| 1. install Homebrew https://docs.brew.sh/Installation.html | |
| 2. install Docker | |
| $ brew cask install docker | |
| this places the Docker.app in the Applications folder, and can be launched directly to start the service | |
| 3. install mssql per the instructions https://docs.microsoft.com/en-us/sql/linux/quickstart-install-connect-docker | |
| $ sudo docker pull microsoft/mssql-server-linux:2017-latest | |
| 4. run the image, check the status | |
| $ sudo docker run -e 'ACCEPT_EULA=Y' -e 'MSSQL_PID=Developer' -e 'MSSQL_SA_PASSWORD=<password>' -p 1433:1433 --name mssql0 -d microsoft/mssql-server-linux:2017-latest |
| web components v1 (not v0) | |
| ~July 2018 | |
| various npm installed components which use named imports like `import "@name"`; | |
| instead of a build tool or service just do a one-time conversion when updating for predictability and simplicity using standard stuff: | |
| cd node_modules && cp -R @polymer @webcomponents @vaadin lit-html pwa-helpers ../modules/ | |
| cd ../modules/ && rm -f `find . -iname '*.map'` && rm -f `find . -iname '*.ts'` | |
| find . -type f -name '*.js' -print0 | xargs -0 perl -plwe 's/([\\"\\'"'"'])(\@(?:polymer|webcomponents|lit-html|lit-element|vaadin\/))/$1\/modules\/$2/g' -i | |
| // see https://www.jimmont.com/sfmuni/ | |
| class TheControls extends HTMLElement{ | |
| constructor(){ | |
| super(); | |
| this.attachShadow({mode:'open'}); | |
| // {tags: {N: {}...}, taglist: []} | |
| this.data = {}; | |
| this.addEventListener('click', this.clicked); | |
| } | |
| clicked(e){ |
| <pre> | |
| * https://google.github.io/styleguide/jsguide.html | |
| * nytimes.com | |
| * washingtonpost.com | |
| * | |
| </pre> |
| ## 2017 Sept RPi 3 | |
| serial gpio to USB requires editing `config.txt` on sdcard, see the following | |
| http://elinux.org/RPi_Serial_Connection | |
| https://raspberrypi.stackexchange.com/questions/44427/how-to-connect-a-raspberry-pi-3-to-usb-tty-cable | |
| ## older, older models | |
| https://www.raspberrypi.org/downloads/raspbian/ | |
| download the image then expand the archive and: |
| if(!Event.prototype.hasOwnProperty('path')){ | |
| /* | |
| in event handlers use the event.path which looks like: | |
| for attached DOM nodes [target,target.parentNode,...<ancestors>...,document,window] | |
| for unattached DOM nodes [target] | |
| for window and document: [window] [document, window] | |
| */ | |
| Object.defineProperty(Event.prototype, 'path', { | |
| // for Safari | |
| get:function(){ |
| authoritative sources: | |
| https://github.com/nodejs/node/wiki | |
| https://nodejs.org/en/security/ | |
| https://nodejs.org/ | |
| https://nodejs.org/en/docs/ | |
| TODO (arguably) the wiki could use more material currently spread across the internet | |
| injection/input escaping: | |
| TODO what are the modules/strategies necessary for managing input that moves through the application |