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undo Linux's rm?
Possible Duplicate: UNDO LINUX Trash Command Hi, Is there any simple way to undo an command? The question is purely theoretical; I have NEVER deleted the log of a benchmark queue who took a whole lunchtime to run.
Is it possible to recover a computer from a failed BIOS update?
While attempting the update the BIOS on an Asus motherboard, i learned the Asus Update Utility for Windows doesn't fully support Windows 64-bit. It was able to erase the BIOS without problems, but failed to write the new BIOS. i knew that when i next rebooted the computer: it would be a brick. When…
OSX Keyboard Shortcuts in Dialogs?
On Windows, every dialog box includes underlined letters that you can activate using the Alt key. I use these "Alt" keyboard shortcuts all the time; I'm missing them as I'm trying to switch to OSX. On OSX, all I can find is Tab navigation, which requires you to press Tab seven or eight times to get…
How to securely delete files stored on a SSD?
From a (very long, but definitely worth to read) article on SSDs: When you delete a file in your OS, there is no reaction from either a hard drive or SSD. It isn’t until you overwrite the sector (on a hard drive) or page (on a SSD) that you actually lose the data. File recovery programs use this pr…
Photoshop: Trim a photo so it contains no transparent pixels?
In Photoshop, I've put together some panorama photos using the Photomerge tool, and the resulting image contains a lot of transparent pixels. Also, because it's assembled from multiple photos, the alignment can be off. What I'd like to do is cut the image down to the largest box which contains no t…
How can I measure my computer temperature?
I would like to monitor the temperature of the computer's components and also the fan speed. How can I do this?
Why does Windows change the input language randomly?
I work on an English version of Windows XP Pro, but my working language is Spanish. My default input language is set to Spanish, but sometimes Windows changes this setting automatically when you switch applications (and thus you get a different keyboard layout). Why is that? (I've become a huge fan…
How do I replace Notepad in Windows 7?
I use Notepad2. I love Notepad2. How do I replace Notepad with Notepad2 in Windows 7, so I never use the old version of Notepad again?
How do I batch change the date taken information in EXIF data?
I use F-Spot to manage my images. For one set of images, the dates somehow got messed up and they all are marked as September 1st 2007. I'd like to change the date taken information to a different date. How can I do this?
How to print documents to pdf
I like to print PDFs of my documents. I've been using PDFCreator. Is this a good choice, are there any better solutions?
Can Double Zipping Cause Problems?
I have a directory that I have been storing a ton of files in. Among the 10ish types of files there are also s of other directories. In my personal experience I vaguely remember issues when trying to zip zips (ha zip zips). Will compressing an already compressed file cause immediate problems, or po…
Change VirtualBox DHCP to issue 192.168.x.x adresses instead of 10.0.x.x adresses?
I have a VirtualBox (v4.1.8) VM that is automatically assigned with an IP in the range via DHCP. Can I change it to use the range instead?
Why is base64 needed (aka why can't I just email a binary file)?
I was reading up on Base64 encoding, and found this on Wikipedia: Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. ... and the example given is sending binary files via e…
sftp: upload all files, directories and sub-directories contained in a folder
On machine A I have the folder On machine B I have the folder I wish transfer all files, directories and sub-directories of /home/a in /home/b with sftp On machine A I tried the commands: but it doesn't work, i get the error message: "skipping non-regular file /home/a/a1"... [a1 is a sub-directory …
Do web browsers cache SSL certificates?
Do any web browsers cache SSL server certificates? For example, if I change the SSL certificate on a web server, will all of the web browsers pick up the new certificate when they connect via SSL, or is it possible that they could have a stale certificate? I'm thinking of the scenario when an SSL c…
Backspace and arrow keys not working as expected
Most of the time Visual Studio seems to work fine. But occasionally, it gets into a funky editing state. I can still type, but I can't move the cursor with the arrow keys. The arrow keys instead seem to take the focus off the editing window. The backspace doesn't work, but the delete key does. The …
How to add text/caption to a line/arrow in PowerPoint 2010?
I was able in the past to double click on a PowerPoint arrow/line in order to add a caption to the line. This is not working in PP 2010. Anyone knows a way to add text to a line ? (without creating a group with a text box and a line) PS: I'm not totally sure about being able to do it. I have the fe…
Pass command line arguments to Windows "Open With"
I have a program that opens with a specific shortcut, but the shortcut seems to send parameters to the application. If I go directly to the target directory and double-click, it does not work. However, if I use the command line and pass in a certain argument, the application opens correctly. I want…
What is the purpose of /etc/default?
For the first time I was asked by a daemon I installed to set a flag in there. What's it for? Is it a newish concept?
How do I remove a file in Linux whose name looks like it's ONLY a hyphen, as in "-"
I've tried Gave Perl a shot ...and... Any assistance would be much appreciated, wise folks.