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• Reading Partition Start and End in TestDisk

  - by neanderslob

  I'm using TestDisk in an attempt to recover a partition gone terribly awry. Identifying the partition in question should simply be a matter of simply recognizing the location in the disk that it occupies. Since I know the location of the partition in question from GParted, I need to translate that over to the format that TestDisk uses, which I can't quite figure out. GParted gives the First and Last sectors as follows: First Sector: 1708032 Last Sector: 54637719 Total sector: 52929688 Test Disk gives the partitions in the following way: Start: 1691 110 20 End: 4986 39 5 Size in Sectors: 52929688 My question is: how do I translate the location specified in GParted to that in TestDisk? See the following image for any contextual clarification you might need:

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• Wi-Fi Connection Issues.. tried a lot.. pls help

  - by nikvana

  I am posting a question for the first time, do not know coding and am relatively new to ubuntu, but a quick learner. I have an Acer Aspire One D270 notebook that came originally with Windows 7 starter installed. I have removed that and installed Ubuntu 12.04 I have chronic issues with connecting to the wi-fi. I figure it is due to issues with the driver(s) I think this is the driver I have- BCM4313 802.11bgn Wireless Network Adapter (on entering this in the terminal- lshw -C) I also installed the software Windows wireless drivers and it shows currently installed drivers as blank- but when i choose install new drivers, it asks me to select inf file which I do not know where to find. Please help with this, coders. Thanks a ton

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• Using apt-get from Canada

  - by Advant Edge

  I am using Ubuntu Server 12.04 LTS, and until yesterday, everything was quite peachy. I have installed several packages (MySQL, apache2) and to my knowledge have those configured correctly. Upon configuration of phpMyAdmin, I found that I was missing the directory path /etc/phpmyadmin, which got me thinking about the install. I am new to Ubuntu, so I guess I missed the message telling me that I did not download phpMyAdmin successfully. Anyway, trying to use apt-get yesterday/today results in "Failed to fetch..." messages, even if just to run sudo apt-get update. Some notable details: ···no GUI, command line only (sudo apt-get gksu fails, go figure) ···can ping 4.2.2.2, so I know the internet is out there (somewhere) ···this is a dedicated computer, using Samba to share files with Windows, which does work ···attempted to edit my /sources.list file, for various American/Canadian mirror, to no effect ···ensured I have correct DNS settings in /etc/networks/interfaces I'm not sure where along the way it happened, but I seem to have lost connections to repositories... :) Any advice (including GO BACK TO WINDOWS) is appreciated.

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• First and Follow Sets for a Grammar

  - by Aimee Jones

  I'm studying for a Compiler Construction module I'm doing and I have a sample question as follows: Calculate the FIRST and FOLLOW sets for the following grammar.. S -> uBDz B -> Bv B -> w D -> EF E -> y E -> e F -> x F -> e I have tried to figure it out so far but I'm a bit unsure if I'm correct. Could someone verify if I'm doing it right, and if not, what am I missing? My answer is below: FIRST | FOLLOW S | {u} | {$} B | {w} | {y,x,v,z} D | {y,e,x} | {z} E | {y,e} | {x,z} F | {x,e} | {z}

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• SQL SERVER Get Latest SQL Query for Sessions DMV

  In recent SQL Training I was asked, how can one figure out what was the last SQL Statement executed in sessions. The query for this is very simple. It uses two DMVs and created following quick script for the same. SELECT session_id, TEXT FROM sys.dm_exec_connections CROSS APPLYsys.dm_exec_sql_text(most_recent_sql_handle) AS ST While working with DMVs if you [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How to determine collision direction between two rectangles?

  - by Jon

  I am trying to figure out how to determine the direction a collision occurs between two rectangles. One rectangle does not move. The other rectangle has a velocity in any direction. When a collision occurs, I want to be able to set the position of the moving rectangle to the point of impact. I seem to be stuck in determining from what direction the impact occurs. If I am moving strictly vertically or horizontally I manage great detection. But when moving in both directions at the same time, strange things happen. What is the best way to determine what direction a collision occurs between two rectangles?

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• Network connection on an Acer Aspire 5253?

  - by fuquam

  Brand new to Ubuntu and PCs for that matter. I've been a Mac user all my life but wanted to try Ubuntu on the cheap, so I bought an Acer Laptop 5253-BZ893 and i got Ubuntu 10.10 installed with no problem. The only problem i have is, that i get no network connection options, wired or wireless. I just get No Network Devices Available. The computer came with Windows 7 installed and i am able to connect to my wireless network fine using Windows, so i know the computer works. Also i've been searching forums and google for hours trying to figure out why I can't get a network connection in Ubuntu but so far no luck. Any suggestions? Thanks in advance.

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• OutOfBounds Exception when creating a PolygonShape using jbox2d

  - by B3nGr33ni3r

  So here's the deal, i'm parsing a file that contains the vertices for a polygon, that i want to create in box2d. I create a new PolygonShape() and then call .set() giving it a defined array of Vec, and that defined array's .length property. I expected this to work, since the documentation for jbox2d says this method takes a Vec array, and the count of Vec objects in that array. However, it errors out, and it seems to be unrelated to my code. The error i get is Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 8 at org.jbox2d.collision.shapes.PolygonShape.set(PolygonShape.java:174) and, upon looking at that line in the jbox2d svn repository, i still cannot figure out the issue. Any help is appreciated!

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• How do I create tileable solid noise for map generation?

  - by nickbadal

  Hey guys, I'm trying to figure out how to generate tileable fractals in code (for game maps, but that's irrelevant) I've been trying to modify the Solid Noise plug-in shipped with GIMP (with my extremely limited understanding of how the code works) but I cant get mine to work correctly. My modified code so far (Java) GIMP's solid noise module that I'm basing my code off of (C) Here is what I'm trying to achieve but This is what I'm getting So if anybody can see what I've done wrong, or has a suggestion how I could go about doing it differently, I'd greatly appreciate it. Thanks in advance. And if I'm asking way to much or if just a huge failure at life, I apologize.

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• XNA: Retrieve texture file name during runtime

  - by townsean

  I'm trying to retrieve the names of the texture files (or their locations) on a mesh. I realize that the texture file name information is not preserved when the model is loaded. I've been doing tons of searching and some experimenting but I've been met with no luck. I've gathered that I need to extended the content pipeline and store the file location in somewhere like ModelMeshPart.Tag. My problem is, even when I'm trying to make my own custom processor, I still can't figure out where the texture file name is. :( Any thoughts? Thanks! UPDATE: Okay, so I found something kind of promising. NodeContent.Identity.SourceFilename, only that returns the location of my .X model. When I go down the node tree he is always null. Then there's the ContentItem.Name property. It seems to have names of my mesh, but not my actual texture file names. :(

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• Help with a formula for Google Adwords [closed]

  - by XaviEsteve

  Hi guys, This question is more about maths and algorythms in Google Adwords but guess it's the most appropriate community in SE to ask this. I am creating a spreadsheet to calculate Adword formulas and I am stuck in how to calculate the Monthly Net Income for each keyword. I have created a formula which calculates it but can't figure out how to limit the Monthly Budget. The formula I've created is this one: Monthly Net Income = ( DailyClicks x ConversionRate x SaleProfit) - ( CPC x DailyClicks ) There is an example of the formula in the file which is a Google Spreadsheet publicly available here: https://spreadsheets.google.com/ccc?key=0AnQMyM9XJ0EidDB6TUF0OTdaZ2dFb2ZGNmhQeE5lb0E&hl=en_GB#gid=2 (you can create your own copy going to File Make a copy...) I am releasing this set of tools as Public Domain so feel free to use it :) Any help is much appreciated!

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• Would you recommend to install libcupsys2_1.3.9-17ubuntu3.9_all.deb?

  - by NES

  Would you recommend to install libcupsys2_1.3.9-17ubuntu3.9_all.deb in Ubuntu 10.10? For getting my printer to work with Ubuntu 10.10 i've read many threads about a suggested workaround. there it's suggested to install libcupsys2_1.3.9-17ubuntu3.9_all.deb so that the canon driver should again do it's work with ubuntu. But i can't figure out what this package exactly is and like to understand what i do before i install it. in some thread they call it a dummy package, in others it's called a transitional package. However there should have been a reason why the ubuntu developers had deprecated libcupsys. So would you recommend it?

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• Removing an element not currently in a list: ValueError?

  - by Izkata

  This is something that's bothered me for a while, and I can't figure out why anyone would ever want the language to act like this: In [1]: foo = [1, 2, 3] In [2]: foo.remove(2) ; foo # okay Out[2]: [1, 3] In [3]: foo.remove(4) ; foo # not okay? --------------------------------------------------------------------------- ValueError Traceback (most recent call last) /home/izkata/<ipython console> in <module>() ValueError: list.remove(x): x not in list If the value is already not in the list, then I'd expect a silent success. Goal already achieved. Is there any real reason this was done this way? It forces awkward code that should be much shorter: for item in items_to_remove: try: thingamabob.remove(item) except ValueError: pass Instead of simply: for item in items_to_remove: thingamabob.remove(item) As an aside, no, I can't just use set(thingamabob).difference(items_to_remove) because I do have to retain both order and duplicates.

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• How do you configure mupen64plus controls?

  - by user99426

  I installed mupen64plus from the repositories using Synaptic. I like the emulator (for the most part, a couple of graphics glitches on TLOZ Ocarina of Time), especially its performance on my old machine, but I cannot figure out how to configure the controls for myself. I tried looking at Google Code's guide here but I can't find the file I need to edit and the link with the key ids isn't working, so even if I could find the file I wouldn't be able to change anything. So what I need is a resource with the key ids and where to find the file I need to edit. I am running Ubuntu 12.10 32-bit. 2GB RAM, Intel CORE 2 DUO @ 2.00GHz

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• phishing attack. Where do I start the cleanup?

  - by Suz

  I'm a newbie webmaster. I've got a domain and a site... and no clue about the web (I'm OK with files and programs... ) I got a message from google that my site is a possible phishing site, with a link the the suspect page: http://www.mydomain.com/~phishers/Paypal/us/Confirm.php needless to say, I didn't put that up. Can someone point me to a good tutorial on what to do now? I'd like to figure out what happened so I can defend against it the next time around. How do I identify what kind of attach this is? Also, what is the tilde doing in the URL path? I couldn't find any path like this on my hosting account, so I'm not entirely sure how to delete it.

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• I know of three ways in which SRP helps reduce coupling. Are there even more? [closed]

  - by user1483278

  I'd like to figure all the possible ways SRP helps us reduce coupling. Thus far I can think of three: 1) If class A has more than one responsibility, these responsibilities become coupled and as such changes to one of these responsibilities may require changes to other of A's responsibilities. 2) Related functionality usually needs to be changed for the same reason and by grouping it togerther in a single class, the changes can be made in as few places as possible ( at best changes only need be made to the class which groups together these functionalities) 3) Assuming class A performs two tasks ( thus may change for two reasons ), then number of classes utilising A will be greater than if A performed just a single task ( reason being that some classes will need A to perform first task, other will need A for second task, and still others will utilise it for both tasks ).This also means that when A breaks, the number of classes ( utilising A ) being impaired will be greater than if A performed just a single task. Can SRP also help reduce coupling in any other way, not described above? Thank you

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• How is it possible to write the compiler of a programming language with that language itself [closed]

  - by tugberk

  Possible Duplicate: How could the first C++ compiler be written in C++? You probably heard that Microsoft released a new language called TypeScript which is a the typed superset of JavaScript. The most interesting thing that makes me wonder is the fact that its compiler writen in TypeScript itself. Call me ignorant but I really couldn't figure out in my head how that is possible. This is just like chicken and egg problem in my head because there is no compiler to compile TypeScript's compiler in the first place. How is it possible to write a compiler of the compiler of a programming language with that language?

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• How many textures can usually I bind at once?

  - by Avi

  I'm developing a game engine, and it's only going to work on modern (Shader model 4+) hardware. I figure that, by the time I'm done with it, that won't be such an unreasonable requirement. My question is: how many textures can I bind at once on a modern graphics card? 16 would be sufficient. Can I expect most modern graphics cards to support that amount? My GTX 460 appears to support 32, but I have no idea if that's representative of most modern video cards.

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• I want to try and find and RFC for Business Listings.

  - by nc01

  I'm trying to figure out how to find out if there's a good standard format for sharing business information such as: Business Name Address - well-defined fields Lat,Lng Coords Business Type - maybe from a well-defined enum, my starting point contains Retail,Food,Drink,Coffee,Service Hours of operation - including a spot for 'except laksdasd' or 'sometimes we open late' which could be just plain language Business Keywords - don't know if this is asking too much. how well do http meta tags work in practice? So, if no such thing exists, is this something I can submit to IETF? I can't currently find it on http://www.rfc-editor.org/cgi-bin/rfcsearch.pl , and vCard doesn't suit my needs.. Thanks!

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• USB Mouse stutters periodically

  - by greggory.hz

  I'm using an HP dv6000 (not sure of exact model) with a pretty basic Logitech wireless laptop mouse. From time to time, the USB mouse will be very stuttery and less responsive. Not all clicks register and the motion is not smooth. It seems like it's related to the notify-osd coming up when I get an IM or Email or whatever else, but it happens other times as well. It's not the whole computer becoming less responsive, because if I use the touch pad during one of these fits, it works perfectly smooth. I've replaced the batteries in the mouse and have tried different USB ports with better line of sight, etc. I can't figure out what's going on. Any thoughts?

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• I can't link my Algorithms and the problem idea with writing the code?

  - by Novice Programmer

  First ,, i have just learnt c , c++ and started with java .. i faced serious problem in the first two ones . any sort of problem i can handle with it on my mind ,, if it's much complex i use the pen and paper method , i nearly could solve any easy problem ,, but when i start to write the code i don't know what's happening i got totally lost and even the best problems i can't link the solution with the code . it's not a problem with syntax because i know the syntax well . i need to figure what's the problem and find a way to solve it !! thanks . (Excuse me for my bad English)

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• Re-sizing the form without scaling the GUI

  - by Bmoore

  I am writing a turn based strategy game in C#. My GUI implementation consists of class that extends Form containing a class that extends Panel. When I render the GUI I draw to the paint method in the panel. I am trying to figure out what is the best way for handling form re-size events. I know I want a minimum window size, but I would prefer to not have a maximum or a set size. Ideally the GUI would reveal more/less of the map as the user changes the window size. I would like to avoid scaling the graphics if at all possible. What is the best way to handle re-size events?

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• How do global cancel/exit commands work in bash?

  - by SecurityGate

  As I have done multiple times before, I've written bash scripts, and just general commands that go nowhere. They just blink the little command line cursor at me for infinity until I control+C the command. When I do cancel the command, what exactly is going on when I do this? Am I somehow stopping and killing the current PID I'm working on? Does it jump to a different run-level and execute something to terminate the command? On a slightly different note, I've never been able to figure out how to set up something like this in a script or program I've worked on. Since I mostly program in Ruby, can I setup something like a certain key press stops the program? Every time I've looked into doing something similar, I always end up getting hung up when it comes to user input, whether that is a loop waiting for a condition, or something like this: def Break() user_break = gets.strip end def Main() Function1() Break() Function2() Break() [...] end It seems and is incredibly bulky, and definitely isn't easily scaled up or down.

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• Image caching when rendering the same images on different pages

  - by HelpNeeder

  I'm told to think about caching of images that will be displayed on the page. The images will be repeated throughout the website on different pages and I'm told to figure out the best way to cache these images. There could be few to dozen of images on single page. Here's few questions: Will browser caching work to display the same images across different web pages? Should I rather store images in stringified form in a memory instead, using JavaScript arrays? Store them on hard drive using 'localStorage'? What would be easiest yet best option for this? Are there any other alternatives? How to force cache? Any other information would be greatly appreciated...

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• Ubuntu 12.04 wired ethernet not working and wireless not working, How do I fix it?

  - by Eloy

  I am new to ubuntu. I recently installed the latest ubuntu for desktop from http://www.ubuntu.com/download. I was very excited to start using ubuntu until I booted the computer and saw that i couldn't connect to the internet at all. I have spent hours trying to figure this out. I keep running into people suggesting installing drivers etc. I have tried about everything and nothing seems to work. I have the ethernet cable connected to the computer but it doesn't recognize it. I ran the following: lspci | grep -i eth and I get this 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express (rev 02) Any help would be much appreciated. I am kind of bummed I have spent all this time tyring to get the internet to work and haven't even gotten to use the power of ubuntu Update copied from comment: Changing the Ethernet cable to a different one fixed the problem.

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