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Q&A

Welcome to the Power Users community on Codidact!

Power Users is a Q&A site for questions about the usage of computer software and hardware. We are still a small site and would like to grow, so please consider joining our community. We are looking forward to your questions and answers; they are the building blocks of a repository of knowledge we are building together.

General Q&A about software and hardware usage

Filters (None)
66%
+2 −0
How to add minimize and maximize buttons to top right corner on Gnome windows for Debian 12?

How to add minimize and maximize buttons to top right corner on Gnome windows for Debian 12?

1 answer  ·  posted 8mo ago by propatience‭  ·  last activity 8mo ago by samcarter‭

71%
+3 −0
Is there a memory book for humans?

LLMs (AI) have limited context windows which makes it challenging to include all necessary context in the prompt. A common solution is a memory book. The memory book stores arbitrarily large amoun...

2 answers  ·  posted 8mo ago by matthewsnyder‭  ·  last activity 8mo ago by Zer0‭

66%
+2 −0
Browser video sometimes stops working; how can I figure out why?

I leave my Mac (Mini, not laptop) running all the time, only rebooting when something forces me to (like a software update). My uptimes are usually measured in weeks, sometimes months. Occasional...

3 answers  ·  posted 2y ago by Monica Cellio‭  ·  last activity 9mo ago by matthewsnyder‭

75%
+4 −0
What are the security or privacy implications of browser clipboard events?

For context, I use Firefox to browse the Web. Some time ago, I followed some security- and privacy-oriented advice for configuring Firefox, which recommended (among many other things) disabling the...

1 answer  ·  posted 9mo ago by Karl Knechtel‭  ·  last activity 9mo ago by matthewsnyder‭

66%
+2 −0
Best practices for small, internet-critical company's ISP for maximal uptime

This is a small call center with maybe 20 employees. I do not know how many calls it is taking per day, how many field agents it is remotely dispatching, or how many customers it has, but you can e...

3 answers  ·  posted 9mo ago by Julius H.‭  ·  last activity 9mo ago by Canina‭

50%
+0 −0
Vim horizontal scrollbind skips first scroll if it's the very first interaction

I have a custom spreadsheet viewer in Vim that splits the headers into a top pane and the rest into a bottom pane. I bind horizontal scrolling so that scrolling right keeps the headers above the co...

0 answers  ·  posted 9mo ago by Michael‭

vim
60%
+1 −0
Recommended way to back up large photo/video library on iOS device

As far as I know, Apple iCloud does not offer much of a straightforward way to store a massive photo/video library in the cloud, and offload it from devices. iCloud backup features an "optimize st...

1 answer  ·  posted 9mo ago by Julius H.‭  ·  last activity 9mo ago by matthewsnyder‭

60%
+1 −0
Is there a program for systematically testing keyboard function?

My keyboard is getting old and occasionally I notice the key presses don't quite register. This keyboard uses membrane switches so I can see how they would wear out after a while and not be as resp...

0 answers  ·  posted 9mo ago by matthewsnyder‭

71%
+3 −0
How can I separate a home LAN to isolate resources?

I have a home network, including a server (not on public internet) that runs various services. For example, a Nextcloud instance with family photos. Currently, the server is connected to my router...

0 answers  ·  posted 10mo ago by matthewsnyder‭

71%
+3 −0
How can I do a one-time data import to DokuWiki to create many pages?

I am new to DokuWiki and have done the basic setup for a private wiki. I want to use it as an alternative to a spreadsheet I've been using to track my ratings and other notes for a category of pro...

1 answer  ·  posted 10mo ago by Monica Cellio‭  ·  edited 10mo ago by Monica Cellio‭

60%
+1 −0
Alternative to Cheese that allows custom capture directory?

I use Cheese to take photos with my webcam. The photos get saved under ~/Pictures/Webcam which I don't like. I want them somewhere else. In typical, presumptuous Gnome fashion, there is no UI in C...

1 answer  ·  posted 11mo ago by matthewsnyder‭  ·  last activity 10mo ago by matthewsnyder‭

60%
+1 −0
Centre tick labels in mermaid/gantt diagram

I'm using the note taking app obsidian. In one of my notes I have a mermaid/gantt diagram which looks like this: Source code: ```mermaid gantt tickInterval 1day axisFormat %d %b dateFormat...

1 answer  ·  posted 10mo ago by samcarter‭  ·  last activity 10mo ago by samcarter‭

66%
+2 −0
Are there consequences for going VR for primary computer display?

Is there research into the effects of replacing physical monitors with virtual reality "monitors" for daily use? I imagine that VR is not great for one's eyes, but is it worse than a monitor 50cm f...

1 answer  ·  posted 10mo ago by Michael‭  ·  last activity 10mo ago by matthewsnyder‭

66%
+2 −0
Practical wireguard VPN on Android

I tried to use my Wireguard VPN on Android, and, it sucks! I installed https://f-droid.org/packages/com.wireguard.android/ thinking that would be "the" wireguard app. I configured it with my conne...

2 answers  ·  posted 1y ago by matthewsnyder‭  ·  last activity 10mo ago by Michael‭

71%
+3 −0
How do I set UTF8 in a Vim modeline?

Occasionally someone* occasionally modifies one of the files I'm responsible for with an archaic tool that decides to convert the updated file to UTF-16 (probably lossless) or an even more archaic...

0 answers  ·  posted 11mo ago by DavidCary‭

71%
+3 −0
Low cost programmatic access to US brokers

Are there US stock brokers that allow programmatic access for retail investing? I would like to be able to connect to my broker's API to check my stock portfolio and place trades. I'm not looking ...

0 answers  ·  posted 11mo ago by matthewsnyder‭  ·  edited 11mo ago by matthewsnyder‭

60%
+1 −0
Google voice rings only a few times in browser

When I receive a call with Google Voice open in a browser on my desktop, it only rings briefly in the browser (about 2 seconds). After that, my phone starts ringing. When I'm at my computer, I wan...

0 answers  ·  posted 11mo ago by matthewsnyder‭

66%
+2 −0
Can't subscribe to Google Calendar from URL

I have created a Google calendar in Google account A. In the calendar's settings, under Access permissions for events, I have left Make available to public unchecked. When I click Get shareable lin...

1 answer  ·  posted 12mo ago by matthewsnyder‭  ·  last activity 12mo ago by matthewsnyder‭

57%
+2 −1
How do I trick Google meet into letting my browser use backgrounds?

When I use my Firefox-family browser to connect to Google Meet: Update your browser to use visual effects You're using an older browser version that doesn't work with Meet's visual effects I...

0 answers  ·  posted 12mo ago by matthewsnyder‭

75%
+4 −0
Userscript or -style to disable responsiveness of website

I like to arrange my browser on one site of my screen and have room for another application on the other half of the screen. This results in a width of my browser window of about 775 px. Many site...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 12mo ago by Ullallulloo‭

75%
+4 −0
How can I disable channel drag and drop in Discord?

When using Discord in a web browser, on a server where I have admin privileges, I sometimes find that I've accidentally moved a channel, which affects everyone on the server and can affect channel ...

1 answer  ·  posted 1y ago by Monica Cellio‭  ·  last activity 12mo ago by Zer0‭

71%
+3 −0
Easiest way to set up a mailing list

What is the easiest way to set up a mailing list? The goal is to send an email to one address, and it gets automatically re-sent to everyone who is currently subscribed to that list. Ideally, the ...

1 answer  ·  posted 12mo ago by matthewsnyder‭  ·  last activity 12mo ago by manassehkatz‭

50%
+0 −0
What does the "preparing" step do when I upload a video on some website with my iPhone?

I have an iPhone 12 mini, which runs iOS 15. When I upload a 5GB video on some website such as https://www.filemail.com/, https://www.datatransfer.com/, https://www.sendbig.com/ or https://wetransf...

0 answers  ·  posted 12mo ago by Franck Dernoncourt‭

60%
+1 −0
Why does the free space on the system partition is way less than disk space minus space used by all folders/files in Windows 11?

On my work laptop, I have realized that I have a rather low disk space on the system drive. I have run a disk usage application (Run as Admin) to try to understand what is taking so much space and ...

1 answer  ·  posted 1y ago by Alexei‭  ·  last activity 1y ago by Alexei‭

75%
+4 −0
How to create a dump of a complete MariaDB how the data is at a single point in time?

A MariaDB server is installed on a Linux server. How can a dump of the complete database be made, how it is at a single point in time, while preventing write access to the database during the dump...

1 answer  ·  posted 1y ago by H_H‭  ·  edited 1y ago by H_H‭

66%
+2 −0
How to dump a MariaDB while mariadb.service is stopped, to move the database to a different server?

A MariaDB server is installed on a Linux server. The MariaDB service is currently stopped, so no client can connect to it. How to create a SQL-dump of all databases without starting the service? T...

0 answers  ·  posted 1y ago by H_H‭  ·  edited 1y ago by Canina‭

66%
+2 −0
Reset all buffer variables to default in Emacs

Question How do you clear local variable customizations in buffer? In other words, how do you reset all variables to default? Use case This may be useful in instances where you M-x customize-var...

1 answer  ·  posted 1y ago by mcp‭  ·  last activity 1y ago by mcp‭

77%
+5 −0
What does this suspicious URL structure do?

I (well, my spam trap) received email that I know is a scam, but I'm trying to understand how it works. The message contains a URL of the following form: https:/example.com:2096/?goto_app=Somethi...

2 answers  ·  posted 1y ago by Monica Cellio‭  ·  last activity 1y ago by Canina‭

77%
+5 −0
Automated Git bisect

Inspired by this comment thread, is there a way to automate git bisect with a new test (and a known good state)? The way things usually work for me is… Oh no! Reproducible bug is found. (Manual...

1 answer  ·  posted 1y ago by Michael‭  ·  last activity 1y ago by Caleb‭

60%
+1 −0
KMail: Run script on open for local mail dirs

I use offlineimap to synchronize my mail, and I have the directory set up as a local folder in KMail. Currently, I open KMail and also run offlineimap to synchronize my mail. Is there a way to mak...

0 answers  ·  posted 1y ago by matthewsnyder‭

66%
+2 −0
How can I filter GitHub commits by date range, in a friendlier way than git log?

We have a repository hosted on GitHub. I'm trying to track down a bug and have narrowed the date range for when it could have been introduced. I would like to easily review commits in that date r...

1 answer  ·  posted 1y ago by Monica Cellio‭  ·  last activity 1y ago by matthewsnyder‭

66%
+2 −0
RAM disk in macOS Ventura

How to create a RAM drive in macOS Ventura? The Apple App Store lists only a single app for creating a RAM disk. And apparently that app does not actually work, per review comments.

1 answer  ·  posted 1y ago by basil.work‭  ·  edited 1y ago by samcarter‭

55%
+3 −2
What actions should be performed to restore a website after a DDoS attack?

My shared hosting provider suffices (at least on contract) daily, weekly, and monthly automatic backups; besides that, I also routinely backup my website's filetree and database not automatically i...

1 answer  ·  posted 3y ago by deleted user  ·  edited 1y ago by Michael‭

77%
+5 −0
Determine encoding of text

I have some text files which think they are encoded in utf8: file test.txt test.txt: Unicode text, UTF-8 text, with CRLF line terminators (https://github.com/samcarter/shared/blob/main/test.tx...

3 answers  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by Michael‭

50%
+0 −0
How do I make animated dotted lines ("marching ants") in images on my web page?

How do I make animated dotted lines ("marching ants") in images on my web page? Some people have showed me diagrams online where the lines are animated dotted lines / animated dashed lines, where ...

1 answer  ·  posted 1y ago by DavidCary‭  ·  last activity 1y ago by matthewsnyder‭

71%
+3 −0
How to add a file to a >5GB bootable UDF ISO?

I have a moderately large ISO image (>5 GB)[1] to which I want to add a single file[2], and I want to do that on Linux (preferably using only software which is available in Debian's main and con...

0 answers  ·  posted 1y ago by Canina‭

71%
+3 −0
Disable input sources pop-up in macOS 14

Since the update to macOS 14.0 Sonoma, I every now and then get the following pop-up while typing. At first it is just the blue circle with "US": When I click on it, the white part with "DE" app...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

60%
+1 −0
How to mark a folder as the destination for pasting in ranger?

In ranger, I am often copying a bunch of files from one folder to another. Currently I do it like this: Select files with Space Cut with F6 Navigate to the destination folder Paste with pp ...

1 answer  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by matthewsnyder‭

66%
+2 −0
How to set the default time format in Linux Debian.

How to set the default time format in Linux? For example to set the format the date command outputs when run with no parameters.

1 answer  ·  posted 1y ago by H_H‭  ·  last activity 1y ago by Quasímodo‭

83%
+8 −0
What is a good browser suitable for every-day use that respects user privacy and freedom?

What is a good browser suitable for every-day use that respects user privacy and freedom? This browser should: Respect user privacy. Ideally no telemetry, or at least opt-in telemetry. Does not...

4 answers  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by matthewsnyder‭

60%
+1 −0
Disable automatic tlmgr updates in Quarto

Let's assume one has a Quarto document which does not compile because of an error in the latex code, e.g. here a simply typo in a macro name: --- format: pdf --- test\newlin test Quarto...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

50%
+0 −0
Install Quarto extensions globally

Is there a way to install Quarto extensions globally? If I follow the installation instruction from https://quarto.org/docs/extensions/managing.html and e.g. use quarto add quarto-ext/fontawesome...

1 answer  ·  posted 2y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

66%
+2 −0
How to view history of tabs sent to devices in Firefox

I will often send tabs to other devices for later viewing and sometimes these tabs get lost between power-ons or swiped away if I don't open them immediately. Is there a place where I can view t...

0 answers  ·  posted 1y ago by mcp‭  ·  edited 1y ago by mcp‭

66%
+2 −0
How to unlock/set locked preferences in Firefox-family browsers?

How do you unlock about:config settings which are locked? How do you set them despite being locked? As an example, Librewolf disables the password manager, which I find silly. However, they also d...

1 answer  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by matthewsnyder‭

80%
+6 −0
Remove extension icon from Firefox url bar

I'm using the firefox extension metrication. I only ever use it via its entry in the context menu, therefore I would like to remove its icon from the url bar to gain more space: I tried the sugg...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

60%
+1 −0
Converting pdf to png with sips on macOS 13.3.1 Ventura

With pervious versions of macOS, I used sips to convert pdfs into pngs /usr/bin/sips -s format png document.pdf --out document.png In macOS 13.3.1 Ventura, this now gives an error: /Users/<...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

60%
+1 −0
Windows 11 PC getting additional 0.0.0.0 default gateway

I run a self built router setup, running Kea as a DHCP server, firewalld for managing the firewall, and dns hosted elsewhere. Its currently running in a test configuration behind a known good netwo...

0 answers  ·  posted 1y ago by Journeymangeek ‭  ·  edited 1y ago by Journeymangeek ‭

77%
+5 −0
Hardware for occasional direct control of personal server

Sorry if the title is weird, please feel free to suggest a rephrase. I have a personal server in my closet. I host various software on this for my family's use. The vast majority of the time I con...

2 answers  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by Journeymangeek ‭

40%
+0 −1
Ought I clone my C Windows drive, from my old SSD to new SSD in new computer?

To save time, rather than installing Windows and programs afresh, I fancy cloning my old C SSD, on to my new SSD in my new computer. But I am getting mixed messages on cloning! Who's correct? Wh...

2 answers  ·  posted 1y ago by TextKit‭  ·  last activity 1y ago by matthewsnyder‭

75%
+7 −1
Linux distro and documentation for a Windows power user wanting to become a Linux power user without spending a lifetime in the process?

I'm a very-long-time Windows user that has lots of experience with that OS and its predecessor (MS-DOS). I can't call myself exactly a Windows system programmer, although I know some of the APIs a...

4 answers  ·  posted 1y ago by Lorenzo Donati‭  ·  last activity 1y ago by matthewsnyder‭