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  • Hardware question; booting ubuntu off of USB flash drive?

    - by Kon
    I'm currently running ubuntu off of a USB 3.0 flash drive on my laptop, and I have another USB 3.0 flash drive I use for storing larger files that I need to access and whatnot. But the issue is that both of the usb 3.0 flash drives don't fit next to each other at all, so I'm forced to use another usb 2.0 port located in a different spot on my laptop. Now my question is that if I use a USB 3.0 hub will that slow my connections down at all? or cause some sort of interference? Another question I had which I was unable to find anywhere on the internet is if there was a USB 3.0 hub with more than one upstream connection? Thanks for your time!

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  • Question regarding drives

    - by user205934
    I am a new Ubuntu user who has spent a lot of time on Windows. A very common practice for me on Windows was making two drives, C: and D: , storing installs/files in C:, and I used D: for backup or if I downloaded something that I wanted to save, I saved in D: When installing Ubuntu, it asked me if I wanted to replace Windows 7. I thought it would install Ubuntu on C: but instead it used the whole partition, nevertheless I recovered my backup using testdisk. What I wanted to do was to create a similar backup drive on Linux too. My current partition table: sda 8:0 0 232.9G 0 disk +-sda1 8:1 0 230.9G 0 part / +-sda2 8:2 0 1K 0 part +-sda5 8:5 0 2G 0 part [SWAP] sr0 11:0 1 1024M 0 rom So should I use Gparted to create another sda3 and store my important data on that? Also my current sda2 is listed as an extended partition, should I delete it? It's a very small partition, just 1K.

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  • Photo sharing social platform [closed]

    - by user1696497
    I am working on a photo sharing social platform like Flickr, Photobucket. To start off with I have half a million photos as of now. I want to convert all of these into a single format, compression ratio and use it as an original image. I will be storing original image, re-sized image according to layout and a thumbnail. I have started off with ruby, didn't find supporting libraries. I am considering python as it has a good image processing library and instagram is using it. I want some advise about how the image has to be processed while uploading, efficient way of storage whether database or a file system, image compressions, and precautions to be taken. I would be having profile pictures, do I need store them separately or along with the images? If I want to store the images on a file system, which file system should I use and also should I store the url or should I use any intermediate key value store like redis?

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  • How does Google store search trends in backend?

    - by Achshar
    Google trends shows what query has been searched how many times and some other properties of the said query. But how is this data stored in a database? Storing a new row for every search does not seem right. They also tell the query on a time graph, so they must have some way to look for individual searches made by users, but the number of queries they get every day, it does not feel right that they would store every search in a database row along with a time-stamp. This does not apply to just Google trends or Google in general but any other big site that gets awful number of queries and then has tools to see them in depth. I am not an expert on this but I am interested to know some high level structure of how things work behind the scenes.

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  • 3D Location Handling

    - by tgrosinger
    I am thinking about making a simulator type game that will involve having lots of small objects in a 3D space. What is the typical solution for handling these objects? The first thing that comes to mind is a 3D Array, but I can't help but think there is a more efficient solution. Another idea that comes to mind is objects having possession of smaller items. For example a House possesses a Table which possesses a Cup and Bowl. The final way I can think of handling this is just having an array of "objects" that each have an x, y, z value. While this would make storing them easy I do not understand how you would detect collisions without just looking at every possible object and checking to see if it is in the way. Are there other ways of holding onto these objects that is more efficient?

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  • Is backing up a MySQL database in GIT a good idea?

    - by wobbily_col
    I am trying to improve the backup situation for my application. I have a Django application and MySQL database. I read an article suggesting backing up the database in Git. On the one hand I like it, as it will keep a copy of the data and the code in synch. But GIT is a designed for code, not for data. As such it will be doing a lot of extra work diffing the mysql dump every commit, which is not really necessary. If I compress the file before storing it, will git diff the files? (The dump file is currently 100MB uncompressed, 5.7Mb when bzipped). Edit: the code and database schema definitions are already in GIT, it is really the data I am concerned about backing up now.

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  • Default Location of Web Site Content

    - by RichyL
    I am looking to install mediawiki on a production server (after doing a test on a development one). I could not really understand why the default location for the mediawiki files is /var/lib/mediawiki. I would have thought /var/www would've made more sense. I did some research and in http://people.canonical.com/~cjwatson/ubuntu-policy/policy.html/ch-customized-programs.html#s-web-appl it says the following Web Document Root Web Applications should try to avoid storing files in the Web Document Root. Instead they should use the /usr/share/doc/package directory for documents and register the Web Application via the doc-base package. If access to the web document root is unavoidable then use /var/www Can anyone explain why this is please?

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  • Is there a name for a mini class that is not a struct?

    - by user1555300
    I have a couple of mini-classes that are not nested classes. They need to be passed around between different larger classes to use. In a way, they act like Tuples, storing fields in them. For example, [Serializable] public class TransformObject { public GameObject GameObj; public tk2dCameraAnchor Anchor; public ManagerTransform MTransform; } I have a few of them for my game I have been developing. They have to be classes, not struct because the Unity3d editor will not show in the inspector if so. I was just wondering if there is a official name for these kind of mini classes.

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  • Using multiple servers for hosting [on hold]

    - by foo
    I need help understanding the concept of using multiple servers (for hosting at home). More specifically multiple WAMP servers. (I have tried looking online but have found no good resources, maybe i am searching for for the wrong things to answer my questions) Questions -How do multiple servers work together? -Do they all have their independent hard drives storing different information? and if so, does the server dynamically locate files? -How do shell commands get executed? -How do they share the "load"? i.e. processing power, resources? Please tag links to resources so i may use a reference. Cheers!

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  • Should I use android AccountManager?

    - by Phil
    I've seen AccountManager in the android SDK, and can see it is used for storing account information, but I can't find any general discussion of what it is intended for. Anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you Any opinions of what type of Accounts this is suitable for? Would this be where you'd put your user's account information for a general web service? Regards Phil

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  • Converting long value to unichar* in objective-c

    - by conmulligan
    I'm storing large unicode characters (0x10000+) as long types which eventually need to be converted to NSStrings. Smaller unicode characters can be created as a unichar, and an NSString can be created using [NSString stringWithCharacters:(const unichar *)characters length:(NSUInteger)length] So, I imagine the best way to get an NSString from the unicode long value would be to first get a unichar* from the long value. Any idea on how I might go about doing this?

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  • If I build a solution in C#, how do I add a database to the final program?

    - by DevX
    Apologies if this is a very basic question, but I am preparing to create an executable for a Visual Studio C# Application. (My first time!) My application uses a database that I'm currently storing in SQL Server. This works fine while I'm coding since I created the database manually on my computer. I see that VS2008 has created an .exe in my bin/debug folder, but how do I ensure that any new users (that doesn't already have the database) doing a fresh install gets the database also?

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  • ABPerson in Core Data

    - by eman
    I'm trying to figure out to store a reference to an ABPerson in a Core Data store on an iPhone app. Ultimately, I'd like to be able to sync with a Mac version of the app (I'm assuming ABRecordIDs wouldn't be the same for the iPhone and the Mac). I was thinking of storing the record ID, name, and email and checking against those--is there a better way?

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  • Javascript data store solution using PhoneGap

    - by nickcartwright
    Hiya, Does anyone have any experience of storing data in JavaScript across all mobile platforms using PhoneGap? My ideal solution would be to use something like SQLite, but unfortunately SQLite isn't supported across all the platforms PhoneGap supports. I tried to ask this question a little while ago, but it got quite a few negative marks. If you think this is a bad / pointless question I would love to know as it will hopefully help me to understand the problem! Cheers, Nick.

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  • Adobe AIR - file locked by air

    - by Neil
    Hello I am downloading and storing files locally in the app storage domain. For some reason one of the files gets locked by air. I found this by looking at process explorer. If I clear the browser cache the file never gets locked, only if it attempts to download the file but it exists in browser cache does air lock the damn file. Please can you help? Neil

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  • Need full news article on my site

    - by Kamlesh Ghate
    I'm working on news site (developed in PHP) where I'm displaying news from different feeds. I'm parsing the XML and storing the content in my database. But when a reader comes to the site and clicks on any title to read the full article it redirects to the site from where I've taken that feed. I want full article so that user can read that on my site without leaving the site. How can I get full article to display that on my site.

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  • .NET SSH Port Forwarding

    - by Ronnie Overby
    I am trying to build in SSH port forwarding into a .net application that I am writing. I have tried using sharpSSH, but it requires the user to input their password every time, and I don't want that. I am going to handle storing the password. I have downloaded Granados, but there is basically zero documentation for it. While I sift through the Granados source, does anyone know how to accomplish port forwarding with Granados or any other free SSH library for .NET?

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  • Where is the "personal" folder of the iPhone simulator?

    - by Krumelur
    Hi, I found the iPhone simulator at /Username/Library/Application Support/iPhone Simulator/4.2/ and in there I can see my apps within a cryptic directory name. One of my apps is storing a database and some cached files in the iPhone's "Personal" folder which I thought is the "Documents" folder in the directory of the simulator. But there's nothing in it. Nevertheless, I can read my files - where are they? René

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  • How do you override the WCF AuthenticationService IsLoggedIn() method?

    - by Ryan Riley
    I have three current thoughts on how to do this: re-implement AuthenticationService, which uses lots of internal constructors and internal helpers, implement custom IIdentity and IPrincipal types and somehow hook these into FormsAuthentication. give up and roll my own. The problem is that we've got web apps and fat client apps using authentication and storing cookies. However, logging out of a web app does not log out of a fat client app, and we have now way of forcing a refreshed cookie, atm.

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  • Silverlight OOB Application Path Portability

    - by jws
    Silverlight Out-of-browser applications get installed to a seemingly random location: AppData\LocalLow\Microsoft\Silverlight\OutOfBrowser\2333572144.www.microsoft.com for example. Currently, I am simply storing this path, which works perfectly well on a single machine and a single install, but how can I refer to this application between different installations?

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  • Preferred place to store username

    - by Rudiger
    I am dealing with a single username and password in an App, I'm storing the password in the keychain for security but where best to store the username? In NSUserDefaults, CFPreferences or is there a way to retrieve it out of the keychain along with the password. Later on there might be two entries in the keychain so I think this might be out of the question. Or does it not matter at all?

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  • How to make an IDisposable object a class variable?

    - by Ben Aston
    I am working with Active Directory using C#. Instantiating the PrincipalContext object seems to be expensive, so I'd like to store one in a class variable. When using PrincipalContext as a local variable, I can use the convenient using syntax. When storing an IDisposable object in a static variable, how do I ensure the object is properly disposed of?

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