All Issues
24,993 verified issues
Why does the Fn key on my laptop not work when used with an external keyboard?
On my Dell Latitude E6400, the up and down arrow keys are used to change the brightness of the screen when used with the Fn key. I connected an external keyboard via USB and tried to increase the brightness while pressing the Fn key from the laptop keyboard and the up arrow from the external keyboa…
On Mac, how do I give myself permanent sudo privleges?
In Mac OS X 10.6, how do I give myself permanent sudo privleges? is it like linux, in the "/etc/sudoers" file?
Where can I find guidelines for how to use Excel's "Data and Model" cell styles (specifically "Linked Cell")?
(I originally asked for "well-known" guidelines, but got no answers. In light of that I think it's fine is anyone just wants to answer with their own guidelines or a link to some they like.) I have my own conventions, as I'm sure most other spreadsheet developers do. And I document them within my m…
Does the refresh rate affect LCD screens?
I have never really paid any attention to the refresh rate setting on computers with LCD screens. I thought with LCD displays the pixels are either on or off, they don't flicker like in old CRT monitors. Seems trivial to me, but my own graphics card allows me to select 59Hz or 60Hz - which leads me…
tar command to extract archive with colon in the name
I try and received the error: Can someone help me?
How do you remove a single item from the "Open Recent" menu on Mac OS X?
Most document-based Mac OS X applications have a File ---> Open Recent... menu item. This is a list of recent files you've opened with the program. Removing all items is easy; simply select Clear Menu. However, sometimes you might just want to remove a single item or two rather than everything, suc…
Bash History-like feature for Windows Command Prompt
I'm looking for a Command Prompt alternative that supports handy features of Linux Terminal, like Keeping history of Commands and accessing them using Up-Arrow key. Logging commands in the file (like: .bash_history). Ability to resize command window. Allowing to use Ctrl+C and Ctrl+V to copy/paste …
How to move a file from one location to another on the disk?
I want to move a specific file (for example a binary .exe) that occupies a specific low offset (physical position) on my HDD to a lower offset (external edge of my HDD). From what I know I can't do it with a simple command on Windows or Linux. Is there an application that can do it?
Cloud Storage/Sync solution for families
I am hoping someone knows of an online storage/sync service like Dropbox that can meet the following needs: I envision that each member of the family has a separate account to keep personal files. They log into the service with their own account. There would then be a shared space that the whole fa…
Failed to open the Group Policy Object -Windows 7 Administrator
Whenever I try to access the Local Group Policy Editor (or access the local security Policy from the Administrative tools folder) I get the following message: "Failed to open the Group Policy Object on this computer. You may not have appropriate rights. Details: Unspecified Error" Please can somebo…
Extracting background images from a PDF file?
I have a PDF file containing maps of the building I work in, here: http://www.libsys.und.edu/dev/FloorPlans_All.pdf The original source files have been lost, and I've been asked to extract the map images, preferably without the text and icons that have been overlaid on top of them. This has proven …
What are the common router default DHCP IP address ranges?
I'm trying to find out what the default DHCP ranges are for common routers. Does anyone know?
How to create PDF bookmarks from Microsoft Word?
I have a PDF file which I converted From Microsoft Word. Actually I'm working on an eBook and now I want to publish it as a PDF. How do I create PDF bookmarks, either through Word or through editing the PDF afterwards?
How can I write the null character on a Macbook Pro?
How can I write a null character on a Macbook Pro? I'd prefer to use just the keyboard or something that I can reach everywhere, without using a third-party program.
Windows key keeps getting "stuck"
I'm using the Windows key quite often in my daily work and it keeps getting "stuck". I tried two keyboards (One USB and one PS/2) I tried to mess with the definitions. Eventually, when it happens - pressing the Windows key a single press releases the "lock" and solves the problem. It happens severa…
Merging uncompleted torrent files
Is it possible to merge two of the same uncompleted torrent files.? eg. I download a torrent that has 2 pieces but i only download the first piece and my friend downloads the second piece. Is it possible to merge these two files so that I have a completed torrent.
PowerShell zip file synchronously
In a PowerShell script, I want to zip a folder before deleting the folder. I run the following (I don't remember where I found the snippet): This snippet actually compress the folder, but in an asynchronous way. In fact, the CopyHere method of the Shell.Application objects starts the compression an…
Is file system part of operating system?
I was wondering if a file system on a storage device is part of OS? I don't think it is. Instead it is part of the storage device, and exists outside of any OS although was created by an OS. Is my understanding right? However in Wikipedia: Most operating systems provide a file system, as a file sys…
Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load?
Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load? When I plug my 200 watt video card into one of the PCIe power connectors... is it pulling 222, 200 or 180 watts from the PSU? Why does my PSU claim 1000 watts continuous and…
Can I set PowerShell as 'default' in Windows 7?
I would like, by default, for PowerShell to be launched instead of Command when, say, running a batch file, or when I "Open Command Window Here", etc. Any suggestions?