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Articles indexed in May 2010

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  • tradeoffs of iSCSI vs. AFP when using Time Machine with a NAS?

    - by ajit.george
    I'm setting up a home NAS device (Synology DS409) that I'm planning to use for Time Machine backups (amongst other things). What are the tradeoffs between using iSCSI or AFP to mount the backup volume? The Synology wiki suggests that iSCSI is better if the Mac will be frequently disconnected from the network or sleeping, from the point of view of the volume automatically remounting. What about filesystem consistency? Given that unplugging a USB drive without properly unmounting it often requires the Time Machine volume to be repaired, would iSCSI have the same issues? Thanks in advance.

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  • Suggested RAM for inspiron 1720

    - by sososo
    I have a inspiron 1720 with 2gb ram, what kind of ram should I buy, I want to get 4gb. i'm running windows 7 on it. Do I have to buy 4gb or should there be empty slots? Any links would be appreciated, I want to get an idea of the $ involved to see if its worth it. I am hoping it will make it substantially faster!

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  • How do I limit the posible options to be assign to a .net property

    - by carlos
    Hello how can I have like a catalog for a property in .net VB .. I mean if i have Property funcion(ByVal _funcion As Int16) As Int16 Get Return _funcion End Get Set(ByVal value As Int16) _funcion = value End Set End Property I want to be able to assign to this property a limited number of options. Example .. Dim a as trick (the class ) a.funcion = (and get a list of possible attributes) ... Thanks !!!

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  • Add a Component to two different JTabbedPanes

    - by haldean
    I have a LinkedList of Components, each of which I would like to add into two different JTabbedPanes. For some reason, Swing is only letting me put each component into one or the other. The code I'm using is the following: /* The two tab panes */ JTabbedPane leftTabs = new JTabbedPane(); JTabbedPane rightTabs = new JTabbedPane(); for (int i=0; i<tabPanes.size(); i++) { rightTabs.add(tabPanes.get(i)); leftTabs.add(tabPanes.get(i)); } Whichever add call I put last is the one that works; if I add to leftTabs last, then rightTabs ends up empty, and vice-versa. Any ideas on how to get this working? Thanks!

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  • How to pass Model from a view to a partial view?

    - by chobo2
    Hi I have a view that is not strongly typed. However I have in this view a partial view that is strongly typed. How do I do I pass the model to this strongly typed view? I tried something like public ActionResult Test() { MyData = new Data(); MyData.One = 1; return View("Test",MyData) } In my TestView <% Html.RenderPartial("PartialView",Model); %> This give me a stackoverflow exception. So I am not sure how to pass it on. Of course I don't want to make the test view strongly typed if possible as what happens if I had like 10 strongly typed partial views in that view I would need like some sort of wrapper.

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  • Create a basic matrix in C (input by user !)

    - by DM
    Hi there, Im trying to ask the user to enter the number of columns and rows they want in a matrix, and then enter the values in the matrix...Im going to let them insert numbers one row at a time. How can I create such function ? #include<stdio.h> main(){ int mat[10][10],i,j; for(i=0;i<2;i++) for(j=0;j<2;j++){ scanf("%d",&mat[i][j]); } for(i=0;i<2;i++) for(j=0;j<2;j++) printf("%d",mat[i][j]); } This works for inputting the numbers, but it displays them all in one line... The issue here is that I dont know how many columns or rows the user wants, so I cant print out %d %d %d in a matrix form .. Any thoughts ? Thanks :)

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  • Missing symbol names when profiling IPhone application with Instruments.

    - by Mac Twist
    I am compiling an IPhone application via command line (so no XCode options involved) and I am unable to get my symbol names to show when profiling with Instruments. I have tried several flags such as -gdawrf-2 and -g without any success. I have also tried using dsymutils to generate a .dSYM file but i have no clue how I'm supposed to use it so that failed aswell. Any help will be greatly appreciated!

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  • BigInteger or not BigInteger?

    - by Alon
    In Java, most of the primitive types are signed (one bit is used to represent the +/-), and therefore when I am exceed the limits of this type, I can get many strange things, like negative numbers. In the BigInteger class, I have no limits and there are some helpful functions there but it is pretty depressing to convert your beautiful code to work with the BigInteger class, specially when primitive operators don't work there and you must use functions from this class. I was wondering if you had this problem, and if you have any better solution than the BigInteger class? Thank you.

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  • jQuery append div to a specific

    - by ip
    Hi How do I append a element a specific index of the children elements using jQuery append e.g. if I have: <div class=".container"> <div class="item"><div> <div class="item"><div> <div class="item"><div> <div class="item"><div> </div> and I want to append another item between the second and third item?

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  • Is using a FSM a good design for general text parsing?

    - by eSKay
    I am reading a file that is filled with hex numbers. I have to identify a particular pattern, say "aaad" (without quotes) from it. Every time I see the pattern, I generate some data to some other file. This would be a very common case in designing programs - parsing and looking for a particular pattern. I have designed it as a Finite State Machine and structured structured it in C using switch-case to change states. This was the first implementation that occured to me. DESIGN: Are there some better designs possible? IMPLEMENTATION: Do you see some problems with using a switch case as I mentioned?

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  • Operator+ for a subtype of a template class.

    - by baol
    I have a template class that defines a subtype. I'm trying to define the binary operator+ as a template function, but the compiler cannot resolve the template version of the operator+. #include <iostream> template<typename other_type> struct c { c(other_type v) : cs(v) {} struct subtype { subtype(other_type v) : val(v) {} other_type val; } cs; }; template<typename other_type> typename c<other_type>::subtype operator+(const typename c<other_type>::subtype& left, const typename c<other_type>::subtype& right) { return typename c<other_type>::subtype(left.val + right.val); } // This one works // c<int>::subtype operator+(const c<int>::subtype& left, // const c<int>::subtype& right) // { return c<int>::subtype(left.val + right.val); } int main() { c<int> c1 = 1; c<int> c2 = 2; c<int>::subtype cs3 = c1.cs + c2.cs; std::cerr << cs3.val << std::endl; } I think the reason is because the compiler (g++4.3) cannot guess the template type so it's searching for operator+<int> instead of operator+. What's the reason for that? What elegant solution can you suggest?

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  • Ordering by a max or a min from another table

    - by Paul Tomblin
    I have a table that consists of a unique id, and a few other attributes. It holds "schedules". Then I have another table that holds a list of all the times each schedule has or will "fire". This isn't the exact schema, but it's close: create table schedule ( id varchar(40) primary key, attr1 int, attr2 varchar(20) ); create table schedule_times ( id varchar(40) foreign key schedule(id), fire_date date ); I want to query the schedule table, getting the attributes and the next and previous fire_dates, in Java, sometimes ordering on one of the attributes, but sometimes ordering on either previous fire_date or the next fire_date. Ordering by the attributes is easy, I just stick an "order by" into the string while I'm building my prepared statement. I'm not even sure how to go about selecting the last fire_date and the next one in a single query - I know that I can find the next fire_date for a given id by doing a SELECT min(fire_date) FROM schedule_times WHERE id = ? AND fire_date > sysdate; and the similar thing for previous fire_date using max() and fire_date < sysdate. I'm just drawing a blank on how to incorporate that into a single select from the schedule so I can get both next and previous fire_date in one shot, and also how to order by either of those attributes.

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  • NSIS- Error handling

    - by Pia
    I have written an installer and uninstaller in NSIS which creates and drops an sql database, which is working fine. I have written some .bat and .sql files to create and drop the database and then just call these files from NSIS script. My problem is if I keep this database open in SQL Server Management Studio and run the uninstaller ideally it should give an error message that the database is opened. In my case it shows the success message of uninstaller but dosnt drop the database properly. How can I handle this error in NSIS?

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  • PL/SQL time segment calculation

    - by Steve
    Hi, I need to figure how much time passed between 2 times. For example: (14:00:00 - 13:15:00) * 24 = .75 I need this to later on convert KW to KWh, but that's not the point. I can not find out how to do this in PL/SQL. My date/time fields look like this in the DB: 1/23/2010 21:00:00 I would appreciate any suggestions. Steve

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  • Twitter Streaming API - tracking exact multiple keywords in exact order

    - by Gublooo
    Hey Guys, I'm just beginning to play with the Twitter Streaming API. If I specify $sc-setTrack(array('just bought from')); This will correctly pull only tweets that have all 3 keywords - but doesn't maintain the order. 1) I want the keywords to appear in the same order like "I just bought apple from itunes" but the above also returns tweets like "I bought some apples and just removed them from the bag" 2) Is there a way to specify the exact words say "NBA basketball" with nothing in between - in the sense I dont want tweets like this to be returned Watching basketball on NBA tv I just want tweets which contain the exact phrase to be returned like I love watching NBA basketball 3) Also is there a way to specify negative keywords Any tips if this is possible. Thanks

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  • Grails: No tag library for namespace. Cannot use any plugins with custom taglibs.

    - by user312435
    I can't seem to use any of the grails ui plugins such as richui or grails-ui. I used grails install-plugin to install them, and grails list-plugins shows that they are correctly installed. However, whenever I use their provided taglibs in my views, I get this exception: Tag [tabview] does not exist. No tag library found for namespace: gui or Tag [tabview] does not exist. No tag library found for namespace: richui I'd really like to use these features, but cannot figure out how to get grails to recognize that the tag libraries are installed.

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  • Can i use a Windows 2008 r2 Cluster for file redundancy

    - by JERiv
    I'm researching a sever clustering architecture as a redundancy and backup solution for a client, and something that isn't made clear is whether or not i can use server clustering to replace a file server with backup solution. Forgive my Elementary understanding of server clustering but supposing: 2 Sites (NJ, CA) Identical Servers at each site setup as a Remote Site Cluster nodes with Windows Enterprise server 2008 r2 Services: File, Terminal, AD, and maybe DNS Will the following will be true: Files (including data drives) will be synced between the two servers eliminating the need for third party backup/mirroring software to sync/backup files. Also supposing i use roaming profiles w/ folder redirection; How will client computer in the WAN access their data through the cluster (i.e. will they automatically choose the best route)

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  • Where does the temporary flash file get stored when I am viweing from Firefox

    - by Nishant
    I am watching a lecture and it seems to be adobe flash ...I wanna save this video that I am viewing . The website I am checking is http://cs75.tv/2009/fall/ . I am using Firefox . Dont know if this info helps , but .... My about:cache result is this . Memory cache device Number of entries: 212 Maximum storage size: 13312 KiB Storage in use: 8087 KiB Inactive storage: 6819 KiB List Cache Entries Disk cache device Number of entries: 3224 Maximum storage size: 500000 KiB Storage in use: 26066 KiB Cache Directory: C:\Documents and Settings\nvarm\Local Settings\Application Data\Mozilla\Firefox\Profiles\d74svniy.default\Cache List Cache Entries Offline cache device Number of entries: 0 Maximum storage size: 512000 KiB Storage in use: 0 KiB Cache Directory: C:\Documents and Settings\nvarm\Local Settings\Application Data\Mozilla\Firefox\Profiles\d74svniy.default\OfflineCache List Cache Entries

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  • Is it normal that Software installs in Admin user folder?

    - by RoToRa
    I've got a new computer with Windows 7, which I'm using for the first time. For security I decided to create a standard user for everyday work instead of using an admin account. However when I install programs logged in as the standard user (such as Aptana right now) they always try to install in the admin's user folder (C:\Users\Admin\AppData...). I'd expect the programs to install to the standard user's folder or Progran Files as in XP. This also leads to that I need to grant admin rights whenever I start such a program. Of course I could just change the installation path every time, but I find this behavior strange. Ist it normal, or did I somehow mess up the Windows 7 installation?

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  • C++ Intel TBB : sortie de la version 3 de la bibliothèque open source pour le développement parallè

    La bibliothèque open source TBB d'Intel pour programmer en parallèle vient de sortir en version 3 Intel vient d'annoncer aujourd'hui la sortie de la troisième version de sa bibliothèque TBB (thread building blocks). Cette bibliothèque C++, disponible en open source, a pour objectif de permettre de programmer en parallèle, afin d'accéder aux ressources des machines multi-coeurs actuels. Citation: Today, Intel released Intel® Threading Building Blocks (Intel® TBB) 3.0, a high-level parallel programming toolkit that ...

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  • Autorelease vs. Release

    - by Sheehan Alam
    Given the two scenarios, which code is best practice and why? Autorelease loginButton = [[[UIBarButtonItem alloc] initWithTitle:@"Login" style:UIBarButtonItemStylePlain target:self action:@selector(loginButtonClicked:)] autorelease]; self.navigationItem.rightBarButtonItem = loginButton; or Release loginButton = [[UIBarButtonItem alloc] initWithTitle:@"Login" style:UIBarButtonItemStylePlain target:self action:@selector(loginButtonClicked:)]; self.navigationItem.rightBarButtonItem = loginButton; [loginButton release];

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