All Issues
24,993 verified issues
Why is distributing random pieces of a file faster than a contiguous transfer?
Why is it said that BitTorrent is faster, partly, because it transfers random pieces of a file instead of transferring it from start to finish in a contiguous/linear fashion? EDIT: But why do they have to be 'random'? Why not a more predictable 'semi-contiguous' transfer in which one peer gives you…
Change the frame rate of an MP4 video with ffmpeg
I have a video in mp4 format with a frame rate of (1 frame for 3 seconds). I want to increase the frame rate to 5 frames/sec. I have tried the below command but it does not do any thing: Any idea why ffmpeg is ignoring option?
How to connect to VirtualBox remote desktop client using VNC?
I am using VirtualBox 4.0 on Ubuntu Narwhal with guest OS Windows XP. I've installed the VB extensions and enabled remote access through port 3389 as suggested on several sites. I am trying to access this desktop with a Mac OS X 10.5 using Chicken of the VNC. I am not able to connect to the machine…
rsync takes a very long time to send file list
I'm trying to use rsync to backup some files from an internal harddisk to a usb-drive. (I'm working on a wd mybook world NAS) There are two folders that I want to backup. A music folder and a video folder. The music folder(864 files, round about 10gb) worked perfectly in something about 1 hour (for…
How does localhost 127.0.0.1 work?
I found some articles related to this, but they were not sufficient for me. I want to know how the works and why is it the same on many different machines? How does the block the access to the website when we use it in the file to block the website?
how do I use a variable content as an argument for vim command?
for example suppose I did and now I want to perform but use variable instead of the literal string. outputs , but just looks for foo UPDATE: building a string of command and then running :execute on it is not a solution, its a hack. And it breaks with any non-trivial variable values.
What's the main difference between Intel processor generations?
What are the main differences between each processor generation of Intel processors/chipsets? Is there a performance difference? I've already seen processors from first to sixth generation, however I don't know/understand the exact differences.
Is there a way to alter the colors used in TTY consoles on Linux?
By "alter colors", I mean something like change black from to , and by "TTY console", I mean what you get when you do Ctrl+Alt+F1 from X11, not a terminal emulator like or . I'm using Arch Linux, but I think it has more to do with the program providing the TTY ( , I think).
Why does OS X Lion ask for my password whenever I delete a file in my home directory?
I updated to Mac OS Lion and now every time I delete any file it asks me for my password. Any file - be it on the Desktop, in the Downloads folder or in any other place. It asks me for my password every time. That behaviour is annoying. Is it the new default? Or there is something wrong? Edit: For …
Should I install my operating system on my SSD or HDD?
I'm currently deciding whether to install my Operating System on my SSD (solid state drive) or HDD (hard disk drive). Should I install programs on the HDD and the OS on the SSD or vice versa? Which will have the greatest effect on performance? My current thinking is that installing the OS on the SS…
Is there a simple way to synchronize Thunderbird across machines?
I love Firefox Sync. Is there a similar way to synchronise Thunderbird? I want to synchronise account settings, filters and address books. I never download e-mails, so this isn't an issue. There is no need to synchronise addons (I don't use Lightning or similar). I don't want an import, but a real …
How to keep external USB drives from sleeping (Windows 7)
Possible Duplicate: How to setup Windows to not put my external drive to sleep? I have an HP Windows 7 box and a few various brands of external USB drives. One major annoyance of this set up has been that these drives will go to sleep every ten minutes. That causes really annoying delays whenever I…
How can you invert the colors of a PDF?
I need to invert all the colors of a PDF document (background, text, graphics, and images). I want it persistent in the file so the inverted viewing options, that some viewers offer, won't help. Rasterizing the document and using image manipulation software is also not an option. I read somewhere t…
How to run a script on CentOS Linux startup
I put one script in . Now I want it to run at startup. How can I do that with chkconfig? But I am not sure how it works.
How do I get rid of the extra space in tables with Microsoft Word 2003?
I am copying and pasting tables from another document (Word 2007) over to Word 2003 and when I do this, right click on the upper left hand corner of the table, AutoFit, AutoFit to Contents, I am left with unknown spaces. These spaces are ones that cannot be deleted. They're like a paragraphing prob…
Disable Hyperthreading in the Windows 7 registry
Some bios's Do Not have the option to disable Hyperthreading of the CPU, it there a way to disable it in the Windows 7 Registry? Or a tool or software? I know about msconfig boot tab (advanced options) and disabling processors there, not sure if it disables complete cores or hyperthreads, or how to…
Safari Web Developer Tools?
Where do you enable web developer tools in Safari on windows? I can't find it anywhere. A quick web search found some really complicated instructions that felt more like a hack then turning on a setting. Does Apple really make it that hard to develop in their browser?
How can I blur text in an image?
Is there an easy way to blur an image in Windows? I'm not looking for something fancy, I'm only looking to smudge the text in an image.
Bash: lookup an IP for a host name, including /etc/hosts in search
Ubuntu 10.10+ In my script I need to lookup an IP for a given host name. If that name is listed in , then command should print IP from , not from DNS server. What commands I tried ( , , ), completely ignore — at least for names that are not known to the DNS server. Note: I would prefer solution tha…
Windows refuses to remember network share credentials
I've been tearing my hair out trying to get Windows to remember the credentials to a network share, and almost all attempts were completely fruitless. I have two Windows machines, one being a media center that is supposed to access content on the other, but every time it fails to remember the crede…