| #!/usr/bin/env ruby | |
| # | |
| # Joining an Hypothesis group is done through the web, and there is no API method to do so. | |
| # Sometimes this is useful. Here is an implementation that logs into Hypothesis, and joins a group. | |
| # | |
| # Set the environment variables: | |
| # HYPOTHESIS_USERNAME | |
| # HYPOTHESIS_PASSWORD | |
| # Then call the script with argument the Hypothesis group id. | |
| # ruby join_hypothesis_group.rb abcd12345 |
When developing a program in Ruby, you may sometimes encounter a memory leak. For a while now, Ruby has a facility to gather information about what objects are laying around: ObjectSpace.
There are several approaches one can take to debug a leak. This discusses a time-based approach, where a full memory dump is generated every, say, 5 minutes, during a time that the memory leak is showing up. Afterwards, one can look at all the objects, and find out which ones are staying around, causing the
| #!/bin/sh | |
| # | |
| # Generates PDF from Publitas images (online folder service) | |
| # Stores generated PDF and JSON (which may contains links). | |
| # | |
| # Requirements: | |
| # - wget https://www.gnu.org/software/wget/ | |
| # - jq https://stedolan.github.io/jq/ | |
| # - imagemagick https://www.imagemagick.org/ | |
| # |
| #!/bin/sh | |
| # extend non-HiDPI external display on DP* above HiDPI internal display eDP* | |
| # see also https://wiki.archlinux.org/index.php/HiDPI | |
| # you may run into https://bugs.freedesktop.org/show_bug.cgi?id=39949 | |
| # https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/883319 | |
| EXT=`xrandr --current | sed 's/^\(.*\) connected.*$/\1/p;d' | grep -v ^eDP | head -n 1` | |
| INT=`xrandr --current | sed 's/^\(.*\) connected.*$/\1/p;d' | grep -v ^DP | head -n 1` | |
| ext_w=`xrandr | sed 's/^'"${EXT}"' [^0-9]* \([0-9]\+\)x.*$/\1/p;d'` |
| #!/usr/bin/env python3 | |
| # | |
| # Helper script to do major version upgrades of a cloudnative-pg based | |
| # PostgreSQL cluster. | |
| # | |
| # Usage: python3 upgrade-pg.py <cluster-name> <new-pg-version> | |
| # | |
| # Example: python3 upgrade-pg.py my-backend-db 17.0 | |
| # | |
| # Make sure to include major and minor version in the pg version. |
| #!/usr/bin/env ruby | |
| # | |
| # Ruby implementation for signing Via URLs (proof of concept) | |
| # | |
| # Useful when SIGNED_URLS_REQUIRED is enabled and VIA_SECRET set. | |
| # See https://github.com/hypothesis/via for more information. | |
| # | |
| require 'blake2b' | |
| require 'jwt' | |
| require 'uri' |
| #!/usr/bin/env python3 | |
| # | |
| # python-ly server that adds an a custom export command | |
| # | |
| # tested with python-ly version 0.9.8 | |
| # https://github.com/frescobaldi/python-ly | |
| # | |
| import copy | |
| from http.server import HTTPServer |
| #!/usr/bin/env ruby | |
| # | |
| # Hack to use Android phone as barcode scanner for pc. | |
| # | |
| # Installation and setup: | |
| # * Enable usb debugging on your Android phone | |
| # * Make sure you have an Android SDK installed | |
| # * Make sure xdotool is installed (apt-get has it) http://www.semicomplete.com/projects/xdotool/ | |
| # * Build and install https://github.com/majido/clipper | |
| # * Start service: `adb shell su -c \'am startservice ca.zgrs.clipper/.ClipboardService\'` |
| """ | |
| Download handler for HTTP/2 supporting proxy CONNECT over HTTP/1. | |
| You can use this by configuring it in the spider settings: | |
| DOWNLOAD_HANDLERS = { | |
| 'https': 'scrapy_h2_proxy.H2DownloadHandler', | |
| } | |
| Tested with Scrapy 2.5.0. |
Nutriscore logo's for use with light background (SVG), extracted from the Nutriscore's corporate graphic charter (dec 2022). For use on light background.
The author (me) does not claim any copyright, these files can be used freely. The logo's are probably in the public domain, though trademark law may apply. IANAL.