All Issues
24,993 verified issues
Can I execute a Linux binary without the execute permission bit being set?
Is there a way to run an executable binary file under Linux which does not have the execute bit set? is not an option. E.g. it's permissions may be only. Executing scripts is possible without setting the execute bit and putting in a shebang by passing the source to the interpreter, e.g. or . So is …
What's the difference between ATA, PATA, and IDE?
If I am not mistaken these names all referrer to the same technology. Are there any differences between them? If not, why does this technology go by so many different names?
What is /usr/bin/[ and how do I use it?
I was looking at coreutils and found this as one of the files included as part of coreutils: . What is and what does it do? It is an executable. I just don't know what it does or how to use it. When I try to run it, I think it is defaulting to the bash built in line expansion. Instead of actually r…
Notepad Ctrl-Backspace behavior
Text fields in almost all software erase a word when ctrl+backspace is pressed. However, Notepad behaves differently, and inserts a character which is: `` (I copy-pasted it here. I'm not sure if it is visible. It looks like a rectangle in Notepad.) Here is a screenshot: What is this character? Why …
Using clipboard through SSH in vim
I have Ubuntu 11.04 desktop and a 11.04 VPS server. After replacing with (I don't need GUI though), I'm able to use the system's clipboard in . I'd like to use the same feature in Ubuntu server, but it looks like it doesn't work with . Is there some way I can enable that feature or do I need to use…
Why does an 8 GB and 16 GB USB drive have the same physical size but a different amount of storage?
In the market, you can get USB drives of different storage sizes. However, among the same brand, I found that those USB drives are physically the same. How can they achieve this? Is it that different USB storage sizes make use of different file systems? If they are using the same storage technology…
How to open 2 Adobe Reader instances?
I would like to see simultaneously pages in the beginning of the document and at the end. I can do that by opening the same document on different windows. But when I try to do so, the first instance opens and I can't open a second one. I'll will install a second PDF visualizer to do it, but I wonde…
Determining if a hard disk has been removed and data copied from it?
Is there a method or a tool that can detect if someone has separated my hard disk from my computer, copied data from it, and returned it back? I want to be sure that no one has done this without my knowledge, but I'm not sure how to this. Note:I use .
How to stop Mail.app in Lion creating an Archive folder for archiving in Gmail?
Mail.app in Mac OS 10.7 added an Archive button. Unfortunately, when archiving a message in a Gmail account, instead of simply putting the message into All Mail folder, Mail.app creates a folder called Archive (in Gmail web interface this folder comes up as [Imap]/Archive) and puts the message ther…
How can I simulate a slow machine in a VM?
I'm testing an AJAX-heavy web-application. I develop on a new Mac, but I use VmWare Fusion (currently 3.1.2) to test in Windows XP, using IETester to simulate older versions of IE. This lets me see how older IE versions would render the site, but I'd also like to see how the site would perform on a…
rsync files newer than 1 week
I want to run rsync on server A to copy all files from Server B when they are newer than 7 days. I don't want to delete the files on Server B.
Can't remove remote branch in git
I'm trying to remove a remote branch with git: Is there a way I can remove this branch from the list of "Remote branches" so I can remove it?
How to find a domain based on the IP address?
We were contacted by our ISP saying that one of our servers was issuing an attack on another computer. I don't know what it means, but our server is a factory image, with only a couple programs running. I would like to know the domain, but don't know how to look it up.
combining SSD and hard disk in software RAID1?
Does it make sense to build a Linux software RAID-1 (mirroring) using an SSD and a normal hard disk? I want to combine the advantages of SSD (fast transfer rates, fast access times) with the advantages of hard disks (cheap, different fault model) and get a very fast yet reliable RAID... does this a…
ZSH Completion colors and OS X
Consider this minimal .zshrc : On OS X, uses colors if is set to TRUE and the colors used are in which default value is . Doing a will print directories in blue. But when doing , ZSH will propose completions with directories in red and in bold. What is the problem and how can I have the same colors…
Does DD-WRT QoS actually work?
There have been various reports of DD-WRT QoS not working (here, here and elsewhere). The DD-WRT QoS Documentation mentions some checks would indicate whether the proper priorities are being applied to the traffic. (Though it does not suggest a method to verify that QoS is actually taking effect...…
The Flight I am taking has USB ports for power... how can I use it to charge my laptop?
Possible Duplicate: Charge a laptop via USB power (500mA)? I will fly to China in the next month which will take a mammoth 18 hour flight. The plane has USB power source on it. I know USB only has 5v and 0.5 amps output and laptop is 20v and 3.25amps. So 4 USB's would be short on the amps but suppl…
How many passes do you need to wipe/shred your files to make them not undeletable?
If you have a private data on a recent, normal hard drive - how many passes do you need to delete the data to make it unrecoverable? Not in the sense, that a forensic team of 20 experts with a budget of 100 million euro or dollars and 10 years of time to restore a couple of bytes from a known addre…
What program can I use to bulk download this list of links?
I need a program that I can give a lit of URLs to (either paste or in a file) like below and then it must be able to crawl those links and save files of a certain type, like images for example. I have tried a few spiders but not had luck. Currently, the only way to download everything, is to open e…
Stop Microsoft Word 2010 from smoothing screenshots?
When I insert JPEG screenshots into Microsoft Word, it smoothes them instead of preserving the original pixels from the bitmap. When I then print to PDF (using Acrobat Distiller), depending on my downsample settings, I either get blurry screenshots or hugely bloated file sizes. What I want: I would…