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  • Rhythmbox - put a playlist on my iPod

    - by GorillaSandwich
    I have an old iPod nano and currently use iTunes in Windows to management. However, I'm trying to switch to Ubuntu. So far, iPod management is one major holdup. Besides being unable to easily manage podcasts, I also don't see a way to create a playlist and put it on my iPod. I can create a playlist on the computer in Rhythmbox, but I can't drag and drop it onto the iPod. I can create a playlist on the iPod itself, put I can't drag and drop songs from my library into it. If I right-click the songs, I can add them to playlists on the computer, but not on the iPod. How can I create a playlist of music in Rhythmbox and sync it to my iPod?

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  • How does USB device recognition work?

    - by GorillaSandwich
    I'm curious how USB device recognition works in Windows. I imagine it's something like this: When you plug in a device, it tells Windows "here's my device ID to tell you what I am" Windows looks to see if any drivers have been installed that match that device ID. The driver probably tells Windows what the device should be called - like "BlackBerry Curve" or "Canon Printer" If so, it somehow associates that device with that driver Otherwise, it looks for a matching driver online (if you let it) Am I right? If so, that still leaves some questions. When you install drivers, where do they go? Are they files in a folder, or do they get added to the registry? What is Windows doing when it first recognizes the device, thinks, and finally says "your new device is installed and ready to use?" Where does Windows look for missing drivers? Is it in their own database? Do device manufacturers submit drivers to Microsoft for inclusion there? Can anybody explain how this process really works? Also, do other OSes do this differently?

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  • Vim lint check - only show message if there's an error

    - by GorillaSandwich
    I have this line in my .vimrc, which means "when I save a .rb file, run it through ruby -c" (the ruby interpreter's error checking). autocmd BufWritePost *.rb !ruby -c <afile> When I save that file, I always see output at the bottom of the screen, so I get used to it and start ignoring it. What I want is to only see output if there are errors. I can see that when there are errors, after it says what they are, at the bottom, it says "shell returned 1." How can I modify this line so that it only shows a message if the shell returns 1? Is there a way to conditionally surpress output from a shell command run in vim?

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  • How can I control which sound card Ubuntu uses for playback?

    - by GorillaSandwich
    I am dual-booting Ubuntu 9.04 and Windows XP but am new to Ubuntu. In Windows, I use an M-Audio Audiophile 2496 sound card for recording (because it has RCA input jacks for my mixer), but I don't use it for playback (because my speakers use a 1/8 inch jack); instead, I use the motherboard's built-in sound card. I tried to recreate this arrangement in Ubuntu, but despite selecting the built-in card for all playback under System > Preferences > Sound, I still have inconsistent results. Rhythmbox plays back through the integrated card, but Flash content in the browser and games in the OS send their audio to the Audiophile card. I have seen recommendations to use a program called "Jack" to control this, but I installed it and found it baffling. How can I control which card is used for playback, other than disabling one card (as I discovered how to do and explain below)? Also, is there a GUI for disabling hardware, or is it necessary to edit a configuration file?

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  • Add a netbook to an existing Windows XP home network

    - by GorillaSandwich
    I've got a home network set up with a couple of Windows XP computers. I'm now trying to add our new netbook to it - also running XP. (The goal is to share files and a printer.) I have run the Network Setup Wizard and made sure that the workgroup name is the same as the others, and have rebooted several times, but whenever I try to 'view workgroup computers,' the only one on it is the netbook. I have a Windows XP CD, but the netbook has no drive. The wizard has some options for floppy disks, but that's useless to me these days. What is this wizard actually trying to do, and can I do it manually? Surely it can't be this hard.

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  • 32 vs 64-bit software for same machine?

    - by GorillaSandwich
    What is the difference between 32 and 64-bit software? My understanding is that 64-bit can use more RAM, if it's available, because it has a larger address space for it. Is this correct? And, specifically: If I have a 64-bit operating system with lots of RAM, and I install, say, the 32-bit version of MySQL instead of the 64-bit version, will it be unable to use all the available RAM and therefore run slower than the 64-bit version might on the same machine (assuming RAM becomes the bottleneck before processing speed or disk access speed or whatever)? If I have a 32-bit operating system and I install a 64-bit piece of software on it, will it (probably) fail to run?

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  • Can I write an Excel macro to find product info based on a SKU?

    - by GorillaSandwich
    My coworker wants to create an invoice template in Excel 2007. In column 1, he wants to be able to put in a SKU like '000293954'[1], and when he hits tab, have the other columns fill in a matching description and price. There would be a bunch of different SKUs and information. Has anybody done this type of thing with a macro before? Any advice? (I have programming experience with Javascript, PHP, and Ruby, but have never written a macro.) [1] The input wouldn't be typed - he'd use a wedge barcode scanner that inputs just like it was typed. Not that it matters for this question.

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  • ZSH - output whole history?

    - by GorillaSandwich
    I recently switched from bash to zsh. In bash one way (besides recursive search) that I used to find previously-run commands was history | grep whatever, where whatever is the bit of command I remember. In zsh, this isn't working. history returns only a few items, even though my .zsh_history file contains many entries, which I have configured it to do. How can I output my whole history, suitable for searching with grep? (Note: I started out using ryanb's dotfiles, so perhaps it's a problem with his default settings?)

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  • Vim - select text highlighted by search?

    - by GorillaSandwich
    In vim, I often perform searches to hop to a word or phrase instead of navigating there with h/j/k/l. Then I hit n to hop between occurrences. Say I've got this text: Time flies like an arrow; fruit flies like a banana. - Groucho Marx I type /an arrow and hit enter. That phrase is highlighted, and I jump to it. Now I want to visually select that text, maybe to change it or delete it. (Yes, I'm aware of the :s substitution command.) Since my cursor is at the letter "a" at the beginning of "an arrow," I can hit v, then press e a couple of times to highlight the entire phrase. But I have a feeling there's a shorter and more semantic way. After all, I've already specified the text I'm interested in. How might I compose a command to say "visually select the current search selection?"

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  • What are the practical limits on file extension name lengths?

    - by GorillaSandwich
    I started using DOS back before Windows, and ever since have taken it for granted that Every file has a file extension, like .txt, .jpg, etc That extension is always short (usually 3 letters) I learned early that the extension is basically just a hint to the OS as to what the content type is. Eventually I got exposed to Mac and Linux, files with no extensions, etc. And of course I've seen shorter extensions, like .rb and .py. I just noticed that markdown-formatted files can have the extension .markdown, and it made me wonder - how long can that extension be? If I make it .mycrazylongextensiontypewoohoo, will certain operating systems or programs choke on the file? Are extension names generally short just for convenience, or is this based on some limitation, legacy or current?

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  • Can I copy from vim to another window without +xterm-clipboard?

    - by GorillaSandwich
    I'm using Ubuntu and vim. I can copy text from vim and paste it into another window by highlighting it in vim, then middle-clicking in the other window. This works fine when I'm on my local machine. I can also copy into the system register by highlighting text and yanking to the system register. (For example, Shift-V JJ "+ y to go into linewise visual mode, highlight two lines, select the '+' register and yank.) It's then available to paste into other windows. However, if I ssh into my web host, I can't do either of these. (They use some flavor of Linux - I think it's CentOS.) In vim, if I type :version, my local version shows +xterm_clipboard, but the host's version shows -xterm_clipboard. I don't have sudo rights there. Is there any way to be able to copy from their vim without getting them to tinker with the installation?

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  • How can I make .vimrc read from an external file?

    - by GorillaSandwich
    I'd like to modify my .vimrc to read the value of a variable from an external file. How can I do this? Specifically, a friend and I share a git repo with our .vim files, but there are a few small differences in what we want in our configs. So most of the file is common, but we use if statements to determine whether to load user-specific sections, like this: let whoami = "user2" if whoami == "user1" ... After checking our common .vimrc out of source control, we each have to change the let whoami assignment so our own section will be loaded. Instead, I'd like to keep a separate file, which can be different for each of us, and from which vim will load that variable value. Maybe another angle on this is: Will vim automatically read all the files in my .vim directory? If so, we could each put a symlink in there called username.vim, and link that to an external file that would be different for each of us.

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