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Articles indexed Friday June 11 2010

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  • Can I use two of the same type of PCI Sound Cards in one computer?

    - by Eamon
    I recently purchased two Rocketfish 5.1 PCI Sound Cards from Best Buy. These are going to be used for audio production and radio broadcasting, so one card can handle live audio, the other can handle cue audio. After installing both cards, I get strange noises from the broadcasting program, and then the computer locks up solid. I have to hard restart to get it back up. This only happens when the two audio cards are installed on the computer. I have tried switching them around to different PCI slots, with the same result.

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  • How to maintain the HTML semantics when HTML is used for drawing diagrams (like organizational chart

    - by Vijay
    I have created an organizational chart using ASP.NET on web page. The web page is using strict DOCTYPE and following W3C standards. The chart has a hierarchical layout decided by the manager field in the table that contains employees in the organization. The chart layout has nodes with employee image and other details like job title, department and contact details. Nodes are beautifully arranged and connected by lines (only horizontal or vertical or both). A lot of DIV elements are used (to avoid table) for connecting lines and arranging the chart properly. As suggested by my friend, using DIVs for connecting lines in the chart is semantically wrong. Is there a way by which I can make it semantically correct? Or, am I using HTML for the wrong purpose?

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  • Loading an external NIB, how do I set the view property?

    - by Sheehan Alam
    If I am loading a view from another NIB, how do I set the File's Owner view property? IB is not letting me hook it up to my View Controller which is loading the external NIB. My NIB looks like this: File's Owner - Identity is set to LBRootViewController First Responder LBTableViewController - Identity is set to LBTableViewController, NIB Name is LBTableViewController

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  • Inconsistent Loading Times for GeoRSS Overlay Between Firefox and IE

    - by Mark Fruhling
    I have a very simple page built to display a map and overlay a line based on points in a GeoRSS XML file. Here is the publicly accessible file. http://68.178.230.189/georssimport.html Firefox is loading in about 5 secs, which is expected because there are a lot of points to map, but IE (6 & 7) is taking upwards of 45 secs to a minute. What can I do to diagnose what is going on? What is a tool that will show me what is going on? (i.e. Firebug for IE) Thanks, Mark

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  • Bookmarklet to perform multiple tasks

    - by Emil Hajric
    Hi everyone. I've been tinkering around this application all day long and have had a few difficulties. So basically the bookmarklet needs to allow the user to use a lot of functions from multiple JavaScript files, although all of the functions that the user will use are called from one file. Basically it includes all of the necessary files in order to perform a certain function. It uses jQuery, and I've found that it's really hard to have jQuery running on your bookmarklet. My question is: How can I load multiple javascript code files into your Bookmarklet? Yours truly, Emil Hajric.

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  • MySQL-python 1.2.3 and OS X 10.5: 64- or 32-bit?

    - by Dave Everitt
    I've been happily using Django and MySQL in development on an existing machine running OS X 10.4 Tiger, and have set up a similar environment in 10.5 Leopard on a new 64-bit MacBook, with a working MySQL and Python 2.6.4. However, now I want them to communicate, easy_install MySQL-python gave ld warnings that the file is not of the required architecture, which led me to test my Python 2.4.6 install (from the Mac OS X disc image): >>> import sys >>> sys.maxint 2147483647 Ah. So my Python install appears to be 32-bit and (I think?) won't install MySQL-python for my 64-bit MySQL. There are lots of hacks out there for MySQL-python on OS X (mostly 1.2.2), but - after hours of reading - I'm pretty sure they won't fix this architecture mismatch. So I'm stuck because I can't decide whether to: give up, remove the 64-bit MySQL install (thorough methods, please?) and use the 32-bit MySQL disc image instead; re-install Python in 64-bit mode from the tarball, --with-universal archs-64-bit and --enable-universalsdk= as detailed in Python.org's 2.6 news. So my questions for anyone who has encountered this issue are: Is installing 64-bit Python on OS X 10.5 worth bothering with? If so, (naive, lazy question!) how are the two required arguments combined? If I just skip along in 32-bit (as on my working setup) what am I missing? I'm after a hassle-free install that's easy to reproduce on other machines (possible student use) so I'd really welcome your opinions, please!

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  • How are paths determined on a remote machines?

    - by xarzu
    How are paths determined on a remote machines? I have been assigned a network loaction. Let's call it \wassup\test1 I assume that wassup is the ame of the computer. The question I have is this. How can I determine what the local path from the point of view of the remote machine would be for "test1". For example, how would I know if it is c:\test1 or d:\test1 ?

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  • iPhone SDK development obj-C vs interface builder

    - by Amy
    I'm new to the iOS platform. I'm not clear on the purpose of the interface builder. It looks like I can avoid using it entirely and just write all the code in objective c. am I right? is there anything that IB can do but obj-c cannot? It reminds me of visual basic 6.

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  • Visual Studio 2010 - Is it slow for anyone else?

    - by AngryHacker
    I've read a lot of stuff about VS2010 being much more performant than VS2008. When I've finally installed it, I found that it, in fact, is much slower (save for the Add References dialog). For instance, Silverlight projects take twice as long to load, the startup of the IDE itself is much slower, etc... Am I missing something here or is it like this for everyone?

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  • Float32 to Float16

    - by Goz
    Can someone explain to me how I convert a 32-bit floating point value to a 16-bit floating point value? (s = sign e = exponent and m = mantissa) If 32-bit float is 1s7e24m And 16-bit float is 1s5e10m Then is it as simple as doing? int fltInt32; short fltInt16; memcpy( &fltInt32, &flt, sizeof( float ) ); fltInt16 = (fltInt32 & 0x00FFFFFF) >> 14; fltInt16 |= ((fltInt32 & 0x7f000000) >> 26) << 10; fltInt16 |= ((fltInt32 & 0x80000000) >> 16); I'm assuming it ISN'T that simple ... so can anyone tell me what you DO need to do?

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  • calling delphi dll from c#

    - by Wouter Roux
    Hi, I have a Delphi dll defined like this: TMPData = record Lastname, Firstname: array[0..40] of char; Birthday: TDateTime; Pid: array[0..16] of char; Title: array[0..20] of char; Female: Boolean; Street: array[0..40] of char; ZipCode: array[0..10] of char; City: array[0..40] of char; Phone, Fax, Department, Company: array[0..20] of char; Pn: array[0..40] of char; In: array[0..16] of char; Hi: array[0..8] of char; Account: array[0..20] of char; Valid, Status: array[0..10] of char; Country, NameAffix: array[0..20] of char; W, H: single; Bp: array[0..10] of char; SocialSecurityNumber: array[0..9] of char; State: array[0..2] of char; end; function Init(const tmpData: TMPData; var ErrorCode: integer; ResetFatalError: boolean = false): boolean; procedure GetData(out tmpData: TMPData); My current c# signatures looks like this: [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)] public struct TMPData { [MarshalAs(UnmanagedType.LPStr, SizeConst = 40)] public string Lastname; [MarshalAs(UnmanagedType.LPStr, SizeConst = 40)] public string Firstname; [MarshalAs(UnmanagedType.R8)] public double Birthday; [MarshalAs(UnmanagedType.LPStr, SizeConst = 16)] public string Pid; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Title; [MarshalAs(UnmanagedType.Bool)] public bool Female; [MarshalAs(UnmanagedType.LPStr, SizeConst = 40)] public string Street; [MarshalAs(UnmanagedType.LPStr, SizeConst = 10)] public string ZipCode; [MarshalAs(UnmanagedType.LPStr, SizeConst = 40)] public string City; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Phone; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Fax; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Department; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Company; [MarshalAs(UnmanagedType.LPStr, SizeConst = 40)] public string Pn; [MarshalAs(UnmanagedType.LPStr, SizeConst = 16)] public string In; [MarshalAs(UnmanagedType.LPStr, SizeConst = 8)] public string Hi; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Account; [MarshalAs(UnmanagedType.LPStr, SizeConst = 10)] public string Valid; [MarshalAs(UnmanagedType.LPStr, SizeConst = 10)] public string Status; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string Country; [MarshalAs(UnmanagedType.LPStr, SizeConst = 20)] public string NameAffix; [MarshalAs(UnmanagedType.I4)] public int W; [MarshalAs(UnmanagedType.I4)] public int H; [MarshalAs(UnmanagedType.LPStr, SizeConst = 10)] public string Bp; [MarshalAs(UnmanagedType.LPStr, SizeConst = 9)] public string SocialSecurityNumber; [MarshalAs(UnmanagedType.LPStr, SizeConst = 2)] public string State; } [DllImport("MyDll.dll")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool Init(TMPData tmpData, int ErrorCode, bool ResetFatalError); [DllImport("MyDll.dll")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetData(out TMPData tmpData); I first call Init setting the BirthDay, LastName and FirstName. I then call GetData but the TMPData structure I get back is incorrect. The FirstName, LastName and Birthday fields are populated but the data is incorrect. Is the mapping correct? ( "array[0..40] of char" equal to "[MarshalAs(UnmanagedType.LPStr, SizeConst = 40)]" )?

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  • Decompressing a very large serialized object and managing memory

    - by Mike_G
    I have an object that contains tons of data used for reports. In order to get this object from the server to the client I first serialize the object in a memory stream, then compress it using the Gzip stream of .NET. I then send the compressed object as a byte[] to the client. The problem is on some clients, when they get the byte[] and try to decompress and deserialize the object, a System.OutOfMemory exception is thrown. Ive read that this exception can be caused by new() a bunch of objects, or holding on to a bunch of strings. Both of these are happening during the deserialization process. So my question is: How do I prevent the exception (any good strategies)? The client needs all of the data, and ive trimmed down the number of strings as much as i can. edit: here is the code i am using to serialize/compress (implemented as extension methods) public static byte[] SerializeObject<T>(this object obj, T serializer) where T: XmlObjectSerializer { Type t = obj.GetType(); if (!Attribute.IsDefined(t, typeof(DataContractAttribute))) return null; byte[] initialBytes; using (MemoryStream stream = new MemoryStream()) { serializer.WriteObject(stream, obj); initialBytes = stream.ToArray(); } return initialBytes; } public static byte[] CompressObject<T>(this object obj, T serializer) where T : XmlObjectSerializer { Type t = obj.GetType(); if(!Attribute.IsDefined(t, typeof(DataContractAttribute))) return null; byte[] initialBytes = obj.SerializeObject(serializer); byte[] compressedBytes; using (MemoryStream stream = new MemoryStream(initialBytes)) { using (MemoryStream output = new MemoryStream()) { using (GZipStream zipper = new GZipStream(output, CompressionMode.Compress)) { Pump(stream, zipper); } compressedBytes = output.ToArray(); } } return compressedBytes; } internal static void Pump(Stream input, Stream output) { byte[] bytes = new byte[4096]; int n; while ((n = input.Read(bytes, 0, bytes.Length)) != 0) { output.Write(bytes, 0, n); } } And here is my code for decompress/deserialize: public static T DeSerializeObject<T,TU>(this byte[] serializedObject, TU deserializer) where TU: XmlObjectSerializer { using (MemoryStream stream = new MemoryStream(serializedObject)) { return (T)deserializer.ReadObject(stream); } } public static T DecompressObject<T, TU>(this byte[] compressedBytes, TU deserializer) where TU: XmlObjectSerializer { byte[] decompressedBytes; using(MemoryStream stream = new MemoryStream(compressedBytes)) { using(MemoryStream output = new MemoryStream()) { using(GZipStream zipper = new GZipStream(stream, CompressionMode.Decompress)) { ObjectExtensions.Pump(zipper, output); } decompressedBytes = output.ToArray(); } } return decompressedBytes.DeSerializeObject<T, TU>(deserializer); } The object that I am passing is a wrapper object, it just contains all the relevant objects that hold the data. The number of objects can be a lot (depending on the reports date range), but ive seen as many as 25k strings. One thing i did forget to mention is I am using WCF, and since the inner objects are passed individually through other WCF calls, I am using the DataContract serializer, and all my objects are marked with the DataContract attribute.

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  • JSON in an AJAX request

    - by Josh K
    I have a PHP API I'm working with that outputs everything as JSON. I need to call one of the API methods and parse it out using an AJAX request. I am using jQuery (though it shouldn't matter). When I make the request it errors out with a "parsererror" as the textStatus and a "Syntax Error: invalid label" when I make the request. Simplified code: $.ajax ({ type: "POST", url: "http://mydomain.com/api/get/userlist/"+mid, dataType: "json", dataFilter: function(data, type) { /* Here we assume and pray */ users = eval(data); alert(users[1].id); }, success: function(data, textStatus, XMLHttpRequest) { alert(data.length); // Should be an array, yet is undefined. }, error: function(XMLHttpRequest, textStatus, errorThrown) { alert(textStatus); alert(errorThrown); }, complete: function(XMLHttpRequest, textStatus) { alert("Done"); } });

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  • Windows Server 2008 R2 restore question

    - by user8160
    I'd like to make a backup/image of my machine, so that I may install it if i ever need to. What I mean by image is a snapshot of all of my programs, settings,files, everything, i think this is referred to as a ghost image. I want to be able to restore so I do not have to reinstall everything again. Does the backup/restore utility in Windows Server 2008 R2 do this?

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  • httpd 2.2.15 + suPHP + suExec + php5 = permission and information ?

    - by Prix
    Hi, i am currently playing around with suexec, suphp, php5 on my apache on slackware 13.1. Everything is installed and working properly but now i did like to got further into the directory permissions and at suphp settings and options available. initially i was planning to leave suphp disabled unless a virtualhost has it specified to be enabled but it does not seem to work, see sample: mod_php.conf which is included in my httpd.conf # # mod_php & mod_suPHP - PHP Hypertext Preprocessor module # # Load the PHP module: LoadModule php5_module lib/httpd/modules/libphp5.so # Load the suPHP module: LoadModule suphp_module lib/httpd/modules/mod_suphp.so <IfModule mod_php5.c> # Tell Apache to feed all *.php files through PHP. If you'd like to # parse PHP embedded in files with different extensions, comment out # these lines and see the example below. <FilesMatch \.php$> SetHandler application/x-httpd-php </FilesMatch> </IfModule> <IfModule mod_suphp.c> # This option tells mod_suphp if a PHP-script requested on this server (or # VirtualHost) should be run with the PHP-interpreter or returned to the # browser "as it is". suPHP_Engine off </IfModule> With the above first sample it makes suPHP and PHP not work if i comment out the php5 stuff but the module it will run just fine ... So my first question is, how could i possible make this setup work ? Leave suPHP disabled using php5 by default and if a virtualhost has suPHP enabled it will disable php5 and use suPHP. if any information is lacked here please let me know and i will update with any additional information you may need. Thanks in advance.

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  • How can I tell Notepad++ to always use a particular language with a particular file extension.

    - by MatrixFrog
    I've associated .xul with Notepad++ so if I double-click on a .xul file, it will open in Notepad++. But Notepad++ doesn't know that XUL is just a particular type of XML, so I then have to manually click on "Language XML" to get XML syntax highlighting. Is there a way that I can tell it: "every time you open a file with the extension .xul, automatically switch to the XML language"?

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  • [MINI HOW-TO] Remove the Search Helper Extension from Firefox

    - by Asian Angel
    If you found a new surprise extension added to Firefox after the June Patch from Microsoft, then you are likely to be rather unhappy right now. Join us as we show you how to remove the Search Helper extension from your browser. An Unexpected Addition to Your Extensions You may be wondering what the new mysterious extension that showed up is for. Its’ purpose is to help the Bing Toolbar better integrate with your browser. Unless you have the Bing Toolbar installed you really do not need this cluttering your browser up. So how do you get rid of it? Removing the Extension In order to remove the extension you will need to navigate to the following location: C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper Once there delete the “firefoxextension folder”…that is all there is to it. If you want to remove the search helper add-on for Internet Explorer then delete the “SEPsearchhelperie.dll file” while you are here. Note: You may need to have administrator rights in order to delete the folder. No more Search Helper Extension! If you are unhappy about this update being snuck into your system, following these instructions will remove it. Microsoft Support Page About Update KB982217 Similar Articles Productive Geek Tips Remove the New Tab Button in FirefoxAdd Search Forms to the Firefox Search BarAdd Notes to Zoho Notebook in FirefoxOrganize Your Firefox Search Engines Into FoldersManually Remove Skype Extension from Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Steve Jobs’ iPhone 4 Keynote Video Watch World Cup Online On These Sites Speed Up Windows With ReadyBoost Awesome World Cup Soccer Calendar Nice Websites To Watch TV Shows Online 24 Million Sites

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  • TypeConverter for serialization

    - by Cat
    Is it normal practice to use a TypeConverter for serialization? There is a class that I do not own that has a "lossy" TypeConverter. When converting to a string, it formats its floating point data with "G4", so that when this type is displayed in a PropertyGrid, it's easily readable. I would like to also use this TypeConverter to convert from a string, creating an instance of this class. Right now I am checking the CultureInfo passed to TypeConverter.ConvertTo and only using the pretty, lossy conversion if the CultureInfo is not InvariantCulture. I'd like to know if I'm going about this the wrong way.

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