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1500 questions
102
votes
8 answers

How can I rotate a video 180° with FFmpeg?

I have a video that was rotated 180° when recorded. Is it possible to correct this with FFmpeg?
Louis Waweru
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102
votes
5 answers

How can I create a URL shortcut in Chrome?

I'm not sure if this is possible, but I want to type in foo, hit enter, and be directed to bar.com.
hookedonwinter
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102
votes
1 answer

Notepad++ 80 Character Line Marker?

Is there a way I can get a vertical marker line to appear at the 80th character column in notepad++?
speedplane
  • 1,591
102
votes
6 answers

How to change the Login Shell on Mac OS X from bash to zsh?

I'm trying to change the Login Shell of Mac OS X from bash to zsh. I see it is possible in Mac OS X Leopard, but for OS X Lion I can't find a way. I really hope it is possible to change the Login shell from bash to something else. I am not exactly…
Idlecool
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102
votes
4 answers

Icon? file on OS X desktop

When I ls my Desktop from terminal (by using ls ~/Desktop), I see a file named Icon?. As far as I can tell, it's empty (nano Icon? shows nothing). It doesn't show up on my actual Desktop, and open Icon? shows the Finder alert This item is used by…
Chris
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102
votes
3 answers

logrotate configuration file syntax - multiple wildcard entries possible?

Since the man page doesn't answer my question and I don't want to force a rotation cycle, I decided to ask the question here. The man page for logrotate gives the following example: "/var/log/httpd/access.log" /var/log/httpd/error.log { …
0xC0000022L
  • 7,033
102
votes
8 answers

What does the @ mean on the output of "ls" on OS X' terminal?

When doing an ls in a directory I get the following output: drwxr-xr-x@ 12 xonic staff 408 22 Jun 19:00 . drwxr-xr-x 9 xonic staff 306 22 Jun 19:42 .. -rwxrwxrwx@ 1 xonic staff 6148 25 Mai 23:04 .DS_Store -rw-r--r--@ 1 xonic staff …
xon1c
  • 1,121
102
votes
1 answer

How do Ctrl+C and Ctrl+V work?

I was always wondering what happens under the hood (in the operating system) when I copy an image (selecting it and using Ctrl+C) into a Word file (pasting it with Ctrl+V), for example.
Inter Sys
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102
votes
11 answers

What sense does it make for "sharpness" to be adjustable on a monitor?

Modern monitors often have a "sharpness" setting. But I don't really understand how it makes sense for such a setting to exist. The software asks the monitor to display a particular pattern of 32-bit RGB values, right? i.e. The OS might ask the…
user541686
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102
votes
13 answers

What commands can I use to reset and clear my terminal?

I have been using the command: reset to clear my terminal. Although I am pretty sure this is not what I should be doing. Reset, as the name suggests, resets your entire terminal (changes lots of stuff). Here is what I want: I basically want to…
102
votes
9 answers

How can I take browser screenshots at a higher resolution than my browser supports?

I need to take a screenshot of a website as it would appear on a very high resolution monitor... say 4000x3000 pixels. My laptop's screen has a native resolution of 1400x768. Basically, I need to simulate having a monitor resolution much higher than…
102
votes
1 answer

How to open .dbml in designer mode with VS?

After installing Visual Studio 2017, my LINQ To SQL .dbml definitions open in a XML editor instead of the built in designer. How do I configure VS to open .dbml in Designer mode instead of XML editor?
Drag and Drop
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102
votes
2 answers

What is Git Bash for Windows anyway?

I have happily been using Git and Git Bash from https://git-scm.com/. There is a page with more information here: https://git-for-windows.github.io/. Yesterday I ran into a problem with rsync, and I started digging deeper into Git Bash for Windows.…
geneorama
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101
votes
10 answers

Chrome: any way to zoom a single page, not all pages in domain?

I often use Chrome's Cmd++ and Cmd+- (Ctrl++ and Ctrl+- on Windows) to zoom in and out on a web page. However, the new zoom level affects every tab showing a page from the same domain. Sometimes this is handy, but other times it's a big…
Jason Clark
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101
votes
10 answers

Insert Unicode characters via the keyboard?

I am familiar with inserting an ASCII character into a text document by using 'Alt+ASCII code' on the NumPad keys (e.g. Alt+130 inserts an é character). Is there a similar way to insert a Unicode character via the keyboard using the unicode value…
pelms
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