42
votes
How to play multiple videos side-by-side synchronized?
You can do this with mpv if you don't mind using the command-line:
3 videos side-by-side (stacked horizontally)
mpv --lavfi-complex="[vid1][vid2][vid3]hstack=inputs=3[vo];[aid1][aid2][aid3]amix=...
- 64.3k
28
votes
Accepted
How to view a PDF with more than 2 pages side by side?
Use Wrapped Scrolling option in Mozilla Firefox's built-in PDF viewer.
Open your PDF file in Mozilla Firefox browser.
On PDF document toolbar (above the document view) open menu >>. See the ...
- 15.3k
23
votes
Linux PDF version converter
Looking up the ghostscript options instead of blindly copying commands from others who also blindly copied their commands (and so on) is time well spent. For instance, the -dPDFSETTINGS=/screen in the ...
- 739
20
votes
How to play multiple videos side-by-side synchronized?
GridPlayer can play any number of videos simultaneously. You can play, stop, seek all of them or each video separately. You can set loops. You can also control playback rate, sound volume, zoo, etc.
...
- 316
14
votes
Is there a telnet utility for windows?
If you want to test a network connection, you can use with Powershell :
Test-NetConnection google.com -port 80
- 627
11
votes
Accepted
How to stop run the screenkey
You can exit from Screenkey by right-clicking on its status icon and selecting "Quit":
If you're using GNOME/Unity and cannot see any status icon please make sure the python-appindicator ...
- 246
10
votes
Take a high resolution screenshot of a website
The best way to take a high resolution screenshot without any external tool is using the developer tools in browser:
Open Developer Tools (Ctrl+Shift+I or Command+Option+I or Right click + Inspect)
...
- 601
10
votes
How do I create a GIF screencast in Windows?
Just one more solution that is usually ignored.
You can actually use MS PowerPoint alone to record the screen and create GIFs.
This could be useful if extra software installations are not allowed, ...
- 200
8
votes
Utilities for finding x/y screen coordinates
For Windows, you can use a PowerShell script with System.Windows.Forms.Cursor, e.g.:
Add-Type -AssemblyName System.Windows.Forms
while (1) {
$X = [System.Windows.Forms.Cursor]::Position.X
$Y = ...
- 81
8
votes
Opening mdb files in Ubuntu
You can use DBeaver. It has "MS Access (UCanAccess)" driver to open .mdb files.
To install:
wget https://dbeaver.io/files/dbeaver-ce_latest_amd64.deb
sudo dpkg -i dbeaver-ce_latest_amd64.deb
...
- 139
5
votes
Opening mdb files in Ubuntu
On Ubuntu 18.04 I tried installing mdbtools-gmdb but it couldn't find the package. I ended up installing mdbtools with apt install mdbtools.
This package provides libraries to connect to mdb files as ...
- 331
5
votes
Is there a tool to measure file difference percentage?
I had a similar problem with two sets of transcribed files I used the Levenshtein distance as suggested in the most up voted answer but found using python a better option.
pip install python-...
- 3,196
5
votes
5
votes
Accepted
Is there a tool to query FAT filesystem details?
dosfstools on Linux has fsck.fat (possibly called fsck.vfat in older versions of the package) which shows similar information to chkdsk on MS-DOS:
# fsck.fat -v -n /dev/sda1
fsck.fat 4.2 (2021-01-31)
...
- 518k
4
votes
Utilities for finding x/y screen coordinates
$lastX = ""
$lastY = ""
Clear-Host
while (1) {
$X = [System.Windows.Forms.Cursor]::Position.X
$Y = [System.Windows.Forms.Cursor]::Position.Y
if(($lastX -ne $X -or $...
- 211
4
votes
Is there an OS X tool for finding coordinates, pixel color and measuring distances on the screen?
Coordinates | Digital Color Meter -> View -> Show Mouse Location
4
votes
How to find out what file is on a particular sector
The comment provided by rickhg12hs deserves a place as an answer - it's on the mark.
The ntfs-3g utilities provide some useful functionality. In my experience, the ntfscluster tool has an advantage ...
- 41
4
votes
How to view a PDF with more than 2 pages side by side?
Use Horizontal Scrolling option in default Firefox browser PDF viewer PDF.js
PDF.js is also available as a plugin for other browsers.
Open your PDF file in Mozilla Firefox browser
On the PDF document ...
- 520
4
votes
Windows 10 - move window between multiple displays
Try this (results vary based on program used).
Hold Windows Key + SHIFT key. While keeping those two pressed hit the left or right or up/down arrow key to move the current active window to the ...
- 141
3
votes
Software to show typed keys on the screen
On Windows there is Carnac the Magnificent.
A keyboard logging and presentation utility for presentations, screencasts, and to help you become a better keyboard user.
Install via Chocolatey:
choco ...
- 10.9k
3
votes
Is there a tool that can detect (and if possible, fix) glitches in MP3 files?
Simpler is to use ffmpeg to copy the file from the one with the faulty duration in its ID3 tag. This causes it to write the correct information.
ffmpeg -i "audio.mp3" -acodec copy "audio_fixed.mp3"
...
- 141
3
votes
Is there a tool like diff -r that compares a directory tree against a manifest file using hashes?
You're right, such a tool does exist already. While I see that your post is tagged 'linux,' perhaps a BSD-oriented solution will be edifying.
FreeBSD's mtree(8) utility can do exactly what you are ...
- 939
3
votes
Accepted
Is there a tool like getfacl/setfacl for users/groups?
The answer is in the resources you linked to.
From here:
getfacl -R / >permissions.facl
setfacl --restore=permissions.facl
(In your case it will be /some/dir instead of /).
And then man 1 setfacl ...
- 83.6k
3
votes
Create bootable USB flash drives
Before anything else, Diskpart is not a MS-DOS program. It's a Windows program that only happens to be a console program, but it does most of its job by talking to the Windows "Virtual Disk ...
- 518k
3
votes
Is there a tool like `dd` but respect sparse-ness of input file?
Since I was unable to find a tool that works like dd but would reproduce the sparse-ness of the input in its output, I wrote a small Python script which does exactly that:
#!/usr/bin/env python
...
- 1,048
2
votes
Volume controls for OSX when using external soundcard
I solved this using proxy-audio-device,
which adds a virtual output device that can be configured to output to another device (such as an external sound card) via the Proxy Audio Device Settings.
You ...
- 121
2
votes
Batch rename part of a file in windows
Here is a solution that uses PowerShell (on a single line):
Get-ChildItem 'foo_bar*.jpg' | Rename-Item -NewName { $_.Name -Replace 'foo_bar','foo bar'}
- 241
2
votes
Utilities for finding x/y screen coordinates
As of this writing (2022), the links were dead for both Point Position and Cursor Position, but I found a similar program called MPos on SourceForge. Just run the executable and you get a draggable ...
- 121
2
votes
Cross platform diagramming tool
You could use Creately ( https://creately.com )
It's a web based diagramming tool. You don't have to install anything. You can register for an account and start creating diagrams. Since you only need ...
- 41
2
votes
How to play multiple videos side-by-side synchronized?
Awesome Video Player can do this with up to 16 videos (paid) or up to 4 videos (free).
You can easily play/pause and seek all videos simultaneously with Space and with the arrow keys.
Additionally you ...
- 5,981
Only top scored, non community-wiki answers of a minimum length are eligible