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Articles indexed in December 2010

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  • Conflicting problem with css

    - by Luke
    I was told last night that the following isn't allowed in CSS. <a href="index.php"><div class="button">Home</div></a> .submenu div.button{width:72px; height:20px; float:left; margin:0 20px; font-size:0.9em; font-family:Arial; padding:2px; color:black;} How can i create the look I want for the button and then allow the user to click on it in any other way? What is the best way to do this? It works as it is, but I am being told it's not complient.

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  • Create table class as a singleton

    - by Mark
    I got a class that I use as a table. This class got an array of 16 row classes. These row classes all have 6 double variables. The values of these rows are set once and never change. Would it be a good practice to make this table a singleton? The advantage is that it cost less memory, but the table will be called from multiple threads so I have to synchronize my code which way cause a bit slower application. However lookups in this table are probably a very small portion of the total code that is executed. EDIT: This is my code, are there better ways to do this or is this a good practice? Removed synchronized keyword according to recommendations in this question. final class HalfTimeTable { private HalfTimeRow[] table = new HalfTimeRow[16]; private static final HalfTimeTable instance = new HalfTimeTable(); private HalfTimeTable() { if (instance != null) { throw new IllegalStateException("Already instantiated"); } table[0] = new HalfTimeRow(4.0, 1.2599, 0.5050, 1.5, 1.7435, 0.1911); table[1] = new HalfTimeRow(8.0, 1.0000, 0.6514, 3.0, 1.3838, 0.4295); //etc } @Override @Deprecated public Object clone() throws CloneNotSupportedException { throw new CloneNotSupportedException(); } public static HalfTimeTable getInstance() { return instance; } public HalfTimeRow getRow(int rownumber) { return table[rownumber]; } }

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  • is there a multiple payment providers (paypal, ogone, ...) php module for use in a web app?

    - by Jorre
    We are building an ecommerce app where we want our users to pick out a (any provider we can make compatible with our app) payment provider. Up to today, we only support paypal and we have implemented this rather manually. We are looking for some sort of a module (free or commercial) to easily plugin in more payment providers to let customers accept payments through them. Our customers would use this to accept payments for sales in their web shops. Any ideas on such "modules"? I know of the Zend_Payment module but that's not updated anymore or isn't out yet at all. We run PHP in the Zend Framework if that matters.

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  • Serialport List Read problem and NullReferenceException?

    - by Plumbum7
    Hello everybody, Using Microsoft VC# 2008 Express (little fact about me : non experience in c#, programskills further very beginnerlevel. This peace op program is to communicate with Zigbee switching walloutlets (switching, status info). and is downloaded from http://plugwiselib.codeplex.com/SourceControl/list/changesets The problem: NullRefferenceException was UnHandled private void port_DataReceived(object sender, SerialDataReceivedEventArgs e) {// Event for receiving data string txt = port.ReadExisting(); Console.WriteLine(txt); List<PlugwiseMessage> msg = reader.Read (Regex.Split (txt, "\r\n" )); //Console.WriteLine( msg ); DataReceived(sender, new System.EventArgs(), msg); VC# Marks the last line and says msg is empty. so i looked further. Msg come's from txt text is filled with "000002D200C133E1\r\nPutFifoUnicast 40 : Handle 722 :"< so it goes wrong in or reader.Read or in the List so i looked further: public List<PlugwiseMessage> Read(string[] serialData) { Console.WriteLine(serialData); List<PlugwiseMessage> output = new List<PlugwiseMessage>(); Console.WriteLine(output); Both (serialData) as (output); are empty. So can i assume that the problem is in: Read(string[] serialData) But now the questions, Is Read(string[] serialData) something which is a Windows.Refence or is is from a Method ? and IF this is so is this then reader.READ (how can i find this)? (answered my own question proberly)(method reader)(private PlugwiseReader reader) So why isn't is working trough the serialData ? or is it the List<PlugwiseMessage> part, but i have no idea how it is filled can sombody help me ?

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  • MVC MapPageRoute and ActionLink

    - by Dismissile
    I have created a page route so I can integrate my MVC application with a few WebForms pages that exist in my project: public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); // register the report routes routes.MapPageRoute("ReportTest", "reports/test", "~/WebForms/Test.aspx" ); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional } ); } This has created a problem whenever I use Html.ActionLink in my Views: <%: Html.ActionLink("Home", "Index", "Home") %> When I load the page in the browser the link appears like: http://localhost:12345/reports/test?action=Index&controller=Home Has anyone run into this before? How can I fix this?

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  • Is it possible to raise an error if a variable assignment in a select returns multiple values?

    - by Brann
    I just found a bug on one of my softwares where I had forgotten a where clause. The code was something like that : declare @foo bigint declare @bar bigint select @foo = foo, @bar=bar from tbFooBar where (....a long list of condition goes there) (... and an extra condition should have went there but I forgot it) Unfortunately, the where clause I forgot was useful in very specific corner cases and the code went through testing successfully. Eventually, the query returned two values instead of one, and the resulting bug was a nightmare to track down (as it was very difficult to reproduce, and it wasn't obvious at all that this specific stored procedure was causing the issue we spotted) Debugging would have been a lot easier if the @foo=foo had raised an exception instead of silently assigning the first value out of multiple rows. Why is that this way? I can't think of a situation where one would actually want to do that without raising an error (bearing in mind the clauses 'distinct' and 'top' are there for a reason) And is there a way to make sql server 2008 raise an error if this situation occurs ?

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  • Does the <script> tag position in HTML affects performance of the webpage?

    - by Rahul Joshi
    If the script tag is above or below the body in a HTML page, does it matter for the performance of a website? And what if used in between like this: <body> ..blah..blah.. <script language="JavaScript" src="JS_File_100_KiloBytes"> function f1() { .. some logic reqd. for manipulating contents in a webpage } </script> ... some text here too ... </body> Or is this better?: <script language="JavaScript" src="JS_File_100_KiloBytes"> function f1() { .. some logic reqd. for manipulating contents in a webpage } </script> <body> ..blah..blah.. ..call above functions on some events like onclick,onfocus,etc.. </body> Or this one?: <body> ..blah..blah.. ..call above functions on some events like onclick,onfocus,etc.. <script language="JavaScript" src="JS_File_100_KiloBytes"> function f1() { .. some logic reqd. for manipulating contents in a webpage } </script> </body> Need not tell everything is again in the <html> tag!! How does it affect performance of webpage while loading? Does it really? Which one is the best, either out of these 3 or some other which you know? And one more thing, I googled a bit on this, from which I went here: Best Practices for Speeding Up Your Web Site and it suggests put scripts at the bottom, but traditionally many people put it in <head> tag which is above the <body> tag. I know it's NOT a rule but many prefer it that way. If you don't believe it, just view source of this page! And tell me what's the better style for best performance.

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  • JSF 2.0 Dynamic Views

    - by Robe Eleckers
    Hello, I'm working on a web project which uses JSF 2.0, PrimeFaces and PrettyFaces as main frameworks / libraries. The pages have the following (common) structure: Header, Content, Footer. Header: The Header always contains the same menu. This menu is a custom component, which generates a recursive html <ul><li> list containing <a href="url"> html links, this is all rendered with a custom renderer. The link looks like 'domain.com/website/datatable.xhtml?ref=2'. Where the ref=2 used to load the correct content from the database. I use prettyfaces to store this request value in a backingbean. Question 1: Is it ok to render the <a href> links myself, or should I better add an HTMLCommandLink from my UIComponent and render that in the encodeBegin/End? Question 2: I think passing variables like this is not really the JSF 2.0 style, how to do this in a better way? Content: The content contains dynamic data. It can be a (primefaces) datatable, build with dynamic data from the database. It can also be a text page, also loaded from the database. Or a series of graphs. You got the point, it's dynamic. The content is based on the link pressed in the header menu. If the content is of type datatable, then I put the ref=2 variable to a DataTableBean (via prettyfaces), which then loads the correct datatable from the database. If the content is of type chart, I'll put it on the ChartBean. Question 3: Is this a normal setup? Ideally I would like to update my content via Ajax. I hope it's clear :)

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  • Complex class using PHP soapserver mapclass

    - by user559343
    Hi all, I need to create a server for processing SOAP requests. I have the wsdl and xml specifications, but I have a doubt: the xml elements are pretty complex, they are not simple type, but they have parent/child relationships (e.g. I have a Book class with an author subclass). How can I map this to PHP classes? In this example, should I create an author class i.e.: class Author { public $name; public $surname; } and then class Book { public $author; } will $author be a class of type Author? Or a typed array? Any help will be appreciated Thanks and happy new year!

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  • Are Windows Domain Service Accounts Really Necessary?

    - by Zach Bonham
    One of the biggest problems we have in automating application deployments is the idea that running IIS AppPools and Windows Services under domain service accounts is a 'best practice'. Unfortunately, this best practice sometimes causes deployment headaches in that either we need to provision a new domain level service account quickly, or once we have the account, we now need to manage the account credentials. I had a great conversation about not making domain level service accounts a requirement and effectively taking one of two approaches: Secure at the node level using machine account(domain\machine$) and add the node to appropriate ActiveDirectory/Sql groups/roles Create local app specific accounts on each machine (machine\myapp) and add that account to appropriate ActiveDirectory/Sql groups/roles (the password here can change per deployment, it doesn't need to be stored) In both cases, it seems that its easier to manage either adding an account to appropriate group/role, or even stand up new, local account, than it is to have to provision a new domain level account and manage those credentials. This would hopefully ease the management burden on ActiveDirectory, Sql Server and Operations teams as there would be no more password management. We've not actually been able to implement this in practice yet. I am coming from a development background, so I'm curious as to how many ways this approach could go wrong? Can we really get rid of domain level service accounts with this direction? I'd appreciate any thoughts from anyone who has taken this path! Thanks! Zach

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  • spontaneous hard disk password

    - by sc
    I had an HP proliant server go down recently. All of the sudden the sas controller (e200i) would not see any of the physical disks. New disks were detected just fine. I thought it was odd that all 6 disks would go down at one time so sent them to a data recovery firm to find out what happened. I'm being told that, somehow, all of the disks were spontaneously password protected. These are Hitachi 2.5" drives and I guess this is something of a known issue. The company has worked for a while to try and recover them, with no luck. Has anyone had experience with this? Any recommendations for how to recover the drives or a company that might have the expertise to do so?

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  • Sql 2008 r2 DEV install failed

    - by obulay
    I am trying to install Sql 2008 r2 DEVeloper on Windows 2008 STD. It previously had Sql 2008 Enterprise installed. I first uninstalled SQL 2008. I think uninstall still leaves some crap in registery, and in Program files. Installation fails in the last step of the process - installation, about couple of minutes into it. Can't insert picture for you because serverfault does not allow me to do so. But it basically it: Error message: "Installation failed" I re-installed SQL 2008 Enterprise on this box and we are not going to go to R2 on older servers that previously had SQL 2005 or SQL 2008 on it. Looking at Windows log: Activation context generation failed for "C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\SQLServer2008R2\x64\Microsoft.SqlServer.Configuration.SqlServer_ConfigExtension.dll". Dependent Assembly Microsoft.VC80.CRT,processorArchitecture="amd64",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="8.0.50727.4027" could not be found. Please use sxstrace.exe for detailed diagnosis.

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  • Old scheduled task still being started, but can't find it.

    - by JvO
    System: Windows XP Home Summary: Some scheduled task is still being started by Windows, but I can't find it, nor determine where its configuration has been stored. This is turning into a mystery for me... I set up a Windows XP Home machine to run a task at 7:00 AM, using the Task manager. This was a clean install, no users defined, so you got straight to the desktop after starting the machine. The filesystem uses NTFS. Later on, I needed to introduce users, so I created one (named Sam) with administrator privileges. After this I noticed that the scheduled task failed, most likely due to privilege errors (i.e. can't write to a network drive). So I want to delete the old task, and add it again with the correct user credentials. However.... I can't find the old task!! I know it is still being executed at 7:00 AM, but there's no mention anywhere on the system of this task. I've looked in c:\windows\tasks for .job files, but there's only the "MP Scheduled Scan.job" from Security Essentials. I've searched the whole disk for mention of the batch file that is being run, but can't find it. So why is this old task still running, and more importantly, why can't I find it? Would it have something to do with introducing users on XP?

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  • How can I automate my Linux computer to power off (and on preferably) under certain circumstances?

    - by Ashimema
    OK, So a little background; I've been using Windows Home Server as a Backup Appliance, Media Server and Share Server at home for some time. I decided it was costing me allot of juice so very early on added the "Lights Out" add-on to ensure it was only running as and when needed. I'm now looking to switch to a Linux based server and I'm looking for a similar tool/set of tools for advanced power management. Now the question; Anyone got any all-in-one suggestions (i.e with client parts for both Windows and Linux and a server part for the Linux server), or can anyone simply verify that I'll need to set-up all the individual bits for this myself separately? (A tool similar to "[SmartPower][2]" but for linux would be a great start)

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  • Problems to export java home and to find or create .bashrc in Mac OS X 10.6

    - by casiopea
    Hello, I need to install a program for my studies and, this program, need java to run. When I try to perform the installation say that cannot find the JDK; since the JDK is already installed by default in mac, the problem is export the java home. I´ve try a lot and I cant do it! I know that I have to add a line in a .bashrc file (or .profile, or .bash_profile) I´ve created all those files, at different times but nothing... I´m a new mac user, but I use Linux too and I dont know what happened, I just need to export java home to perform my work... and is really necessary for me to add environment variables too. Thanks for your help

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  • Can you reference an entire column in OpenOffice Calc (like A:A in Excel)?

    - by Andy
    I'd like to refer to an entire column, like you can in Excel by using A:A. I found a discussion on the openoffice.org forums which is a few years old, and suggests there is/was no neat way to do it. The options presented are Use A1:A65536. Use OFFSET($A$1;0;0;65536;1) as the previous range may get altered if you insert or remove rows. Use Data - Define Range... to name the column range (but which for me still just equates to $A$1:$A$1048576). These approaches seem over-complicated and still don't achieve my goal perfectly. Does anyone know of a way? Thanks, Andy

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  • Vacant thumbnail spot persists on Chrome homepage, want to set it specific to a site

    - by 9dan
    I have a vacant thumbnail place in Google Chrome that I would like to set for a particular site. In this case, it's Facebook. When I visit a new website a new thumbnail is created for that site in the sixth spot. Wanting to place Facebook at the sixth location I deleted the new thumbnail and visited Facebook again. But the sixth place remains vacant no matter how often I visit Facebook. What can I do to set a specific thumbnail position a particular site?

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  • Will a system restore fix constant crashing/freezing issues?

    - by P102
    My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day. The system just freezes, like a screenshot, and a restart is required. It happens directly after login or just as any application is selected. Nothing new has been installed. I have just moved from XP. Will a system restore fix this like in windows? like i said, nothing new has been installed. help is greatly appreciated

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  • How do you diagnose constant crashing issues?

    - by P102
    My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day. The system just freezes, like a screnshot, and a restart is required. It happens directly after login or just as any application is selected. Nothing new has been installed. I have just moved from XP so I would be very grateful if some one could please explain to me, as simply as possible, how to do the following... How to diagnose the problem so it can be fixed, remember it may have to be before the log in. all help is greatly appreciated.

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  • iPhone development using AS3 (Resources)

    - by woodscreative
    I've just realeased my first game developed for the iPhone using AS3 and the iPhone Packager http://itunes.apple.com/us/app/snapshot-paintball/id407362440?mt=8&uo=4 I want to take the game to the next level but I am not using the native iPhone SDK so I need some other ideas, I am fresh to iPhone development and it's hard to find good resources, any AS3 developers out there willing to share some links? Highscore frameworks and best practices, connecting to Facebook, ui classes/gestures. Thanks.

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  • Managed WMI Event class is not an event class???

    - by galets
    I am using directions from here: http://msdn.microsoft.com/en-us/library/ms257351(VS.80).aspx to create a managed event class. Here's the code that I wrote: [ManagementEntity] [InstrumentationClass(InstrumentationType.Event)] public class MyEvent { [ManagementKey] public string ID { get; set; } [ManagementEnumerator] static public IEnumerable<MyEvent> EnumerateInstances() { var e = new MyEvent() { ID = "9A3C1B7E-8F3E-4C54-8030-B0169DE922C6" }; return new MyEvent[] { e }; } } class Program { static void Main(string[] args) { var thisAssembly = typeof(Program).Assembly; var wmi_installer = new AssemblyInstaller(thisAssembly, null); wmi_installer.Install(null); wmi_installer.Commit(null); InstrumentationManager.RegisterAssembly(thisAssembly); Console.Write("Press Enter..."); Console.ReadLine(); var e = new MyEvent() { ID = "A6144A9E-0667-415B-9903-220652AB7334" }; Instrumentation.Fire(e); Console.Write("Press Enter..."); Console.ReadLine(); wmi_installer.Uninstall(null); } } I can run a program, and it properly installs. Using wbemtest.exe I can browse to the event, and "show mof": [dynamic: ToInstance, provider("WmiTest, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null")] class MyEvent { [read, key] string ID; }; Notice, the class does not inherit from __ExtrinsicEvent, which is weird... I can also run select * from MyEvent, and get the result. Instrumentation.Fire() also returns no error. However, when I'm trying to subscribe to event using "Notification Query" option, I'm getting 0x80041059 Number: 0x80041059 Facility: WMI Description: Class is not an event class. What am I doing wrong, and is there a correct way to create managed WMI event?

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  • how to pass variable arguments from one function to other in tcl

    - by vaichidrewar
    I want to pass variable arguments obtained in one function to other function but I am not able to do so. Function gets even number of variable arguments and then it has to be converted in array. Below is the example. Procedure abc1 gets two arguments (k k) and not form abc1 procedure these have to be passed to proc abc where list to array conversion it to be done. List to array conversion works in proc1 i.e. abc1 but not in second proc i.e. abc Error obtained is given below proc abc {args} { puts "$args" array set arg $args } proc abc1 {args} { puts "$args" array set arg $args set l2 [array get arg] abc $l2 } abc1 k k abc k k Output: k k {k k} list must have an even number of elements while executing "array set arg $l1" (procedure "abc" line 8) invoked from within "abc $l2" (procedure "abc1" line 5) invoked from within "abc1 k k" (file "vfunction.tcl" line 18)

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  • What's wrong with this JAVA code for android?

    - by Umair Ashraf
    I have written this piece of code to break an image into 9 pieces and it gives me runtime error. There is no error in LogCat and I am stuck. The error comes at line 7 line from bottom (Bitmap.createBitmap(...);). public Bitmap[] getPieces(Bitmap bmp) { Bitmap[] bmps = new Bitmap[9]; int width = bmp.getWidth(); int height = bmp.getHeight(); int rows = 3; int cols = 3; int cellHeight = height / rows; int cellWidth = width / cols; int piece = 0; for (int x = 0; x <= width; x += cellWidth) { for (int y = 0; y <= height; y += cellHeight) { Bitmap b = Bitmap.createBitmap(bmp, x, y, cellWidth, cellHeight, null, false); bmps[piece] = b; piece++; } } return bmps; }

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  • Amazon Product Advertising API: XXX is not a valid value for BrowseNodeId

    - by Chris
    Hello, I am using the Amazon product Advertising API to fetch the product categories. For US categories it is working. But using browse nodes from different sites I get the following error: "569604 is not a valid value for BrowseNodeId. Please change this value and retry your request." I got the browse-nodes from the following site: http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html?BrowseNodeIDs.html Where is the problem? Thanks for your help!

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  • Allowing asterisk in URL - ASP.NET MVC 2 - .NET 4.0 or encoding

    - by raRaRa
    I'm having a trouble allowing asterisk (*) in the URL of my website. I am running ASP.NET MVC 2 and .NET 4.0. Here's an example that describes the problem: http://mysite.com/profile/view/Nice* The username is Nice* and ASP.NET says there are illegal characters in the URL: Illegal characters in path. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentException: Illegal characters in path. I have tried all the Web.config methods I've seen online such as: <pages validateRequest="false"> and <httpRuntime requestPathInvalidCharacters="" requestValidationMode="2.0" /> So my question is: Is it possible to allow asterisk in URL? If not, is there some encoding method in .NET that can encode asterisk(*) ? Thanks!

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