All Issues
24,993 verified issues
How do I give administrators access to a folder without destroying current permissions?
I have a folder that I can't access from an account that is part of the Administrators group on windows 7. If I bring up the Security tab on the properties, I see "You do not have permission to view or edit this object's permission settings". If I click on advanced and go to the owner tab, it tells…
How do you switch between Linux manual pages?
I'm new with Linux and have noticed that there are numbers beside certain commands I look up. For example I want to look up in the aspect of network programming, but shows this instead: So how do you switch between manual pages to other numbers like ~ ?
Vi on Linux: show ^M line endings for DOS-format files
On Solaris, if you open a file in vi that has Windows line endings, this shows up as ^M at the end of every line. On Linux, vi is cleverer and understands the Windows file format, and does not display ^M. Is there a setting to make Linux vi behave the same as Solaris in this respect? A common probl…
How to block sites with iptables
I would like to block sites using . How do I go about this, and how do I ensure that the rules are saved?
Gimp: Color to alpha
I have an image where I want all the pixels with a specific color converted to transparent pixels. The operation should not change the color/alpha value of any pixel which don't match the color exactly. How do I do that? At first I thought I could use Colors->"Color to Alpha" but that don't work be…
Find computer names on a private network (with nmap?)
On a LAN, I want to find out the names of all the connected computers using a cross-platform program, preferably nmap. I know I can do (where xxx.xxx.xxx.xxx is a local IP address) to find hosts which are up, but how do I find the computers' hostnames? Do they broadcast this in a way that I can fin…
Is it possible to use three screens with Intel HD 3000 integrated graphics?
I'm getting a new Lenovo T520 with Intel integrated graphics. Is it possible to use three screens with Intel HD 3000 (the laptop internal screen + two external screens)?
Add a string to every line of a selection
To prepend a string to every line of a selection, I usually use the "increase line indent" (which adds a tab to every line) and then run a search for tab / replace with my string. Does anyone know how to append a string to every line of a selection?
Power Options: Turn off harddrive. Effective or dangerous?
I keep a PC running 24x7 as it handles several light (processor-wise and disk-wise) tasks and acts as a jumping point into my network from outside. I'd like to keep it as energy efficient as possible. I've always wondered about the "Turn off harddrive after XX mins inactivity" type settings. I can …
How do I set default view preferences in Adobe Acrobat?
In Acrobat Pro, I try to set preferences (open in "page-width" view and use "one-page continuous) but it only makes changes for the document I have open, not as default for every time I open.
Choose which Monitor Wine or Play on Linux Selects when Full Screen
I am currently able to start a game with Play on Linux but it always displays the game full screen on my second monitor. Is there a way to configure Play on Linux or wine to specify which monitor to display on?
Missing "eject" option on USB drives on Windows 7?
I have noticed that Windows 7 is not giving me the option to right-click and "eject" my new USB external hard drives. I still can safely remove them by clicking on the corresponding icon on the icon tray. I was wondering if: The option is missing because of an error or some undesired system change,…
How to bind command key in zsh?
It is possible to bind Command Key from mac os x in zsh? I can't find any information about that.
Is it possible to resize TrueCrypt partitions?
When I installed Ubuntu on my laptop, I created a large partition on the hard drive to encrypt with TrueCrypt. Turns out I'm not using the amount of space I thought I would be for encrypting data, and I'm running out of space in my root partition. Is it possible to resize a TrueCrypt partition with…
Automatically hide files with certain extension in Windows
Is it possible for Windows to automatically hide files with a certain extension? Let's say some program generates a set of files (I cant alter the sources of the program), and I would like some of these files to be recognized by the system by their extension and automatically set hidden – is it pos…
tmux refresh display after terminal width change
With , in a terminal that's 80 columns wide, I can do something like: and then resize the window to be a little wider, and the last 'm' jumps up to where it would have been had I run the command before resizing the window. I'm really loving but am missing this lovely feature from ... Is there any w…
How to downmix stereo output to mono on Mac OS X
Let's just open and close this: Is there a built in way to downmix all stereo output to mono on Mac OS X?
Equivalent for xev on windows
While futzing around with the reverse engineering the BlackWidow, I came across xev — a piece of software that intercepts and prints to screen any mouse and keyboard event. Ive had a few situations where this would be useful in Windows. How can I monitor for HID events in windows, the same way I wo…
Is there a tool to measure file difference percentage?
I am looking to compare two text files. Normally, I can just use to compare the two files to see the differences. This is great, except that I am more concerned with the percentage difference of the two files. For example: In this case, the result would be a 50% difference. I've taken a look at , a…
Does the 6502 put FF in the stack pointer register as soon as it gets power for the first time?
I'm reading about the 6502 processor's instruction set from the many links at 6502.org, and one tutorial states: The stack pointer (S) points to a byte on Page 1, that is, to a byte whose address is from 0100 to 01FF, where the last two digits are supplied by S. When a byte is pushed on the stack, …