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Hundreds of datasets from libraries, archives, and museums

Douglas McCarthy and Andrea Wallace produced a survey of data access policies and data sources.  It’s in Google Docs and called the Survey of GLAM open access policy and practice [2.0]. It’s an excellent resource with the license terms and web locations of hundreds of datasets from libraries, archives, and museums.

CentOS 7 Repository for Owncloud Desktop Client

CentOS 7 Repository for OwnCloud desktop sync client is online. This application works well with Nextcloud.  Use (k)statusnotifieritem/appindicator extension and Topicons plus extensions in Gnome to ensure the icon works as it should. The Url is https://robertknight.io/el7/robertknightio.repo To add the repo, type the following command: yum-config-manager –add-repo https://robertknight.io/el7/robertknightio.repo

Desktop Shortcuts for Kids 5.2.1

This is the VBscript for shortcuts on Windows 10 that open in Edge browser. ‘ Desktop Shortcuts for Kids, for Windows 10 ‘ Robert Knight ‘ bobby@rdknight.net ‘ version 5 – July 2017 ‘ ———————————————————-‘ Option Explicit Dim wscript_shell_object Dim shortcut_working_directory Dim shortcut_save_location Dim shortcut_file_object Dim EXEC Dim ICON Dim DESCRIPTION Set wscript_shell_object = CreateObject(“WScript.Shell”) shortcut_working_directory =”C:\Windows” shortcut_save_location = wscript_shell_object.SpecialFolders(“Desktop”) Set shortcut_file_object = wscript_shell_object.CreateShortcut(shortcut_save_location & “\” & DESCRIPTION &…
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Data to S3 with command line and encryption

This article details how to archive folders with their contents, encrypt the archives, upload them to S3, and remove the local copies.  A typical usage might be to archive the version of a website that I have with twenty thousand files on a certain date before changing the folder layouts of images for ten thousand images.

Try blocks in R for error handling

R scripts halt execution when an error is encountered.  When batch processing this produces situations where the error can not be merely skipped like it could in a .net application with  user involvement. To use Try() blocks for error handling in R, enclose the entire block of code in a try() block. try({ # Do some stuff here png(filename=args[3], width=900, height=300) # some more code here… dev.off() })

Android Studio desktop icon

Android Studio for Linux needs a desktop icon.  This is a functioning one to place in ~/.local/share/applications. [Desktop Entry] Version=1.0 Name=Android Studio Comment=Software Development GenericName=AndroidStudio Exec=sh /opt/android-studio/bin/studio.sh Terminal=false X-MultipleArgs=false Type=Application Icon=/opt/android-studio/bin/studio.png Categories=Development; MimeType=text/html;text/xml;application/xhtml+xml Keywords=programming;java;android;ide; Name[en_US]=AndroidStudio

Yum update memory allocation issues

Yum Update Memory Allocation issues on 512M Virtual Machines: Create a Swap file: dd if=/dev/zero of=/swapfile bs=1024 count=655366 chmod 600 /swapfile mkswap /swapfile swapon /swapfile To disable and remove after updates are complete: swapoff -a rm -f /swapfile

High Quality compressed HPLIP scans

HPLIP produces scans far better than what I can accomplish on Windows, even with Adobe Acrobat Standard.  The Auto Document Feeder scans in 8.3 megapixel png files, and then hplip converts them to a multiple-page PDF of extremely high quality.  This is great for one page documents, but for 10 or 12 page documents, such as faxes, the file size becomes a problem due to email limitations.  Ghostscript can…
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