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• Adding to the browser user agent string?

  - by stwissel

  I have a plug-in that handles its own url schema (something like mystuf:// ). If a user clicks on such a link when the plug-in isn't installed (s)he gets an ugly error. So I extended my installer to write into the Registry (for Internet Explorer) and the user.js (for Firefox) to ADD a custom string to the user agent string. These additions survive a browser upgrade nicely (Microsoft uses this technique to indicate the presence of the dotNet Framework). Now I need to extend this to Apple Safari and Google Chrome on all supported platforms. To be clear: I'm not looking how to REPLACE the user agent string, but how to amend it with additional information. Any hint?

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• Exception when programmatically copying content type

  - by BeraCim

  Hi all: I'm getting exceptions when copying content type from one web to another: foreach (SPContentType destinationWebCt in destinationWeb.ContentTypes) { destinationWeb.ContentTypes.Add(existingWebCt); destinationWeb.Update(); } existingWebCt is the content type from another web e.g. /Site/Web. destinationWeb is the web that I wish to copy the content type to e.g. /Site/DestinationWeb. I got the SPException that says something like could not copy content type to scope. Then I decided to replace all "ContentTypes" to "AvailableContentTypes", but then I got the SPException saying this collcetion could not be modified. So how can I copy a content type to another web? Thanks.

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• Best Image Replacement Technique

  - by Josh Stodola

  What is the best (as in cross-browser) technique to do image replacement in CSS? I am using sprites to do my navigation, but I want the markup to remain SEO friendly. Given the following HTML structure... <div id="menu"> <ul> <li><a href="#">Test</a></li> <li><a href="#">Tester</a></li> <li><a href="#">Testing Testing</a></li> </ul> </div> What is the best way to replace the text with a background image using CSS only? I am currently using this... text-indent: -9999px; But, it fails with CSS on, and images off.

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• Why does calling IEnumerable<string>.Count() create an additional assembly dependency ?

  - by Gishu

  Assume this chain of dll references Tests.dll >> Automation.dll >> White.Core.dll with the following line of code in Tests.dll, where everything builds result.MissingPaths Now when I change this to result.MissingPaths.Count() I get the following build error for Tests.dll "White.UIItem is not defined in an assembly that is not referenced. You must add a reference to White.Core.dll." And I don't want to do that because it breaks my layering. Here is the type definition for result, which is in Automation.dll public class HasResult { public HasResult(IEnumerable<string> missingPaths ) { MissingPaths = missingPaths; } public IEnumerable<string> MissingPaths { get; set; } public bool AllExist { get { return !MissingPaths.Any(); } } } Down the call chain the input param to this ctor is created via (The TreeNode class is in White.Core.dll) assetPaths.Where(assetPath => !FindTreeNodeUsingCache(treeHandle, assetPath)); Why does this dependency leak when calling Count() on IEnumerable ? I then suspected that lazy evaluation was causing this (for some reason) - so I slotted in an ToArray() in the above line but didn't work. Update 2011 01 07: Curiouser and Curiouser! it won't build until I add a White.Core reference. So I add a reference and build it (in order to find the elusive dependency source). Open it up in Reflector and the only references listed are Automation, mscorlib, System.core and NUnit. So the compiler threw away the White reference as it was not needed. ILDASM also confirms that there is no White AssemblyRef entry. Any ideas on how to get to the bottom of this thing (primarily for 'now I wanna know why' reasons)? What are the chances that this is an VS2010/MSBuild bug? Update 2011 01 07 #2 As per Shimmy's suggestion, tried calling the method explcitly as an extension method Enumerable.Count(result.MissingPaths) and it stops cribbing (not sure why). However I moved some code around after that and now I'm getting the same issue at a different location using IEnumerable - this time reading and filtering lines out of a file on disk (totally unrelated to White). Seems like it's a 'symptom-fix'. var lines = File.ReadLines(aFilePath).ToArray(); once again, if I remove the ToArray() it compiles again - it seems that any method that causes the enumerable to be evaluated (ToArray, Count, ToList, etc.) causes this. Let me try and get a working tiny-app to demo this issue... Update 2011 01 07 #3 Phew! More information.. It turns out the problem is just in one source file - this file is LINQ-phobic. Any call to an Enumerable extension method has to be explicitly called out. The refactorings that I did caused a new method to be moved into this source file, which had some LINQ :) Still no clue as to why this class dislikes LINQ. using System; using System.Collections.Generic; using System.IO; using System.Linq; using G.S.OurAutomation.Constants; using G.S.OurAutomation.Framework; using NUnit.Framework; namespace G.S.AcceptanceTests { public abstract class ConfigureThingBase : OurTestFixture { .... private static IEnumerable<string> GetExpectedThingsFor(string param) { // even this won't compile - although it compiles fine in an adjoining source file in the same assembly //IEnumerable<string> s = new string[0]; //Console.WriteLine(s.Count()); // this is the line that is now causing a build failure // var expectedInfo = File.ReadLines(someCsvFilePath)) // .Where(line => !line.StartsWith("REM", StringComparison.InvariantCultureIgnoreCase)) // .Select(line => line.Replace("%PLACEHOLDER%", param)) // .ToArray(); // Unrolling the LINQ above removes the build error var expectedInfo = Enumerable.ToArray( Enumerable.Select( Enumerable.Where( File.ReadLines(someCsvFilePath)), line => !line.StartsWith("REM", StringComparison.InvariantCultureIgnoreCase)), line => line.Replace("%PLACEHOLDER%", param)));

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• Html tidy pack replaces `&lt` instead of `< `and `&gt` instead of `>` for html tag.

  - by Harikrishna

  I am tidying the html page by html tidy pack because there are some pages with missing ending tags So I can add the missing closing tags by html agility pack. But some times when I use the html tidy pack then that web page has changes like : If original table is <table><tr><td>first row</td></table> After using html tidy pack the table is : <table> is now &lt table &gt. But I want like <table>. In this particular example it works perfectly but in some html page it replace &lt instead of <and &gt instead of >.

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• Hibernate sequence should only generate when ID is <=0

  - by Tim Leys

  Hi all, I'm using the folowing sequence in my code. (I got the sequence and @Id @SequenceGenerator(name = "S912_PRO_SEQ", sequenceName = "S912_PRO_SEQ", allocationSize = 1) @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "S912_PRO_SEQ") @Column(name = "PRO_ID", unique = true, nullable = false, precision = 9, scale = 0) public int getId() { return this.id; } And using the following sequence / triggers in my DB. CREATE SEQUENCE S912_PRO_SEQ nomaxvalue minvalue 20; CREATE OR REPLACE TRIGGER S912_PRO_B_I_TRG BEFORE INSERT ON S912_project REFERENCING OLD AS OLD NEW AS NEW FOR EACH ROW ENABLE begin IF :NEW.pro_ID IS NULL THEN select S912_PRO_SEQ.nextval into :new.pro_ID from dual; END IF; end; I was wondering if there is a way to let hibernate generate a sequence ONLY if the ID is <=0 (not set) or if the ID already exists. I know for most cases my trigger would fix the situation. But I do not want to rely completely on it. I hope someone can help me out :p

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• Replacement background image not showing when using GreaseMonkey

  - by Dave C

  I'm trying to use GreaseMonkey to replace the background image of a DIV on bing.com. It's a pretty straightforward call to GM_addstyle: GM_addStyle(".sw_logo " +"{background:url('http://www.kpao.org/blog/kpao-bing-logo-inverse.png') " +"no-repeat 21px 7px transparent}"); However, the image doesn't show up. It's clearly visible in Firebug, and as I twiddle with the CSS in Firebug, I can get it to show up. But it doesn't stay. Any thoughts on why? Maybe it's a bug, but then maybe I'm missing something obvious. Thanks!

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• using property file along with config file to be used with mxmlc

  - by whoopy_whale

  Hi, I'm trying to run mxmlc in the following manner. mxmlc -load-config+=mycfg.xml C:\\projects\\src\\main.mxml -output myswf.swf In the config file, I want to keep some values configurable, for example the paths of the external libraries. Is it possible to include a property file into the config file and use it as {property_name} in the config file? Or is it possible to pass certain arguments from the command line itself that will override/replace the corresponding values in the config file, like the -D option in the ant command? Please provide your suggestions.

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• Computed properties in NHibernate

  - by Liron Levi

  I'm having a problem in mapping an existing data class member to the database.. I have a database table where one of the columns is a string type, but actually stores a comma separated list of numbers. My data class shows this field as a list of integers. The problem is that I couldn't find any hook in NHibernate that allows me to invoke the custom code that is required to replace the string field by the list and vice versa. To illustrate (simplified of course): The database table: CREATE TABLE dummy ( id serial, numlist text -- (can store values such as '1,2,3') ) The data class: class Dummy { public int Id; public List<int> NumbersList; } Can anyone help?

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• Opinions Required: Custom HTML Markup from PHP with or without tag prefix.

  - by buggedcom

  I've created a class in PHP that allows you to create custom HTML markup. It basically works a bit like FB Markup or EE tags. It works off a tag prefix, so you can add tags like this. <ctag:pagination per_page="20" total="500" page="0" base="http://localhost/page?page={page}" mode="smart" adjecents="5" /> My question is: Is the markup above better than the markup below? I'm asking as I'm considering branching my code to rework the tag matching so you can just generate custom html elements. It would well for a drop in HTML5 replacement service. Match the User Agent for a none HTML5 browser and replace the HTML5 elements with your own replacements. <pagination per_page="20" total="500" page="0" base="http://localhost/page?page={page}" mode="smart" adjecents="5" /> PS, if anybody wants to look at the class I've put a download here.

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• C# Localization - unexpected behaviour

  - by vikp

  Hi, I have the following line of code: <%= Html.Label((string) GetLocalResourceObject("Label_Email")) %> This generates a label within an HTML page. In the local resource file I have the following entry: Name: Label_Email Value:Email For some very strange reason when I load the page in the browser, it generates an HTML label with a value of "Email Address" instead of "Email". This is a serious problem for me because I need to localize the application and not have english word "address". When I replace Value in the local resouce file with "Email " (notice extra space), everything works fine, but this is a hack and I need to understand why my application is behaving this way. Thank you

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• php Set a anonymous function in an instance

  - by geekay

  I am just starting out with PHP, and I am wondering if there is a way to add an anonymous function to a class instance. For instance, lets say... class A{ public B; } $c = new A(); //This is where I am getting a little confused... //The following wont work $c->B = function(){echo('HelloWorld');}; $c->B(); What I am hoping to do is reuse the same spit of code in a great number of different applications, and make it so that I can just 'swap-out' and replace functions in specific instances. I am using php5.3 (so anonymous functions should work, just not in the way that I am using them). Thanks so very much for your time!! -GK

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• How is your mac setup for windows development?

  - by Matt Brailsford

  Hi Guys, I'm looking at buying a MacBook Pro to replace my tiring laptop. My day to day job is as a .NET web developer so I am looking to use VMWare Fusion to run VS and SQL server etc. As I've not run my dev environment in a VM before, I would like to know how others are setup. What apps to you have installed? In which environment? Where do you store your files? Within each environment, or some shared drive? Are there any gotchas? Or essentials I should know. Many thanks Matt

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• shared libraries creating a soft link

  - by robUK

  Hello, Redhat 5.5 gcc version 4.1.2 I have a directory call lib, and in that directory I have all the shared libraries (about 30) that we get from our customer as we use their API. We link with this API. directory structure: /usr/CSAPI/lib However, our customer will update their API so we get new libraries, normally about 3 or 4. What I have been doing is when I get new libraries. Is to remove the old one and put in another directory. And replace them with the new libaries in the lib directory. /usr/CSAPI/Old_libs The new and old will have the same name. i.e. libcs.so < old libcs.so < new Is there a better way to manage this? I was thinking of creating a soft line, but as the names are the same, I am not sure that this will work. Many thanks,

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• Evaluating a function at a particular value in parallel

  - by Gaurav Kalra

  Hi. The question may seem vague, but let me explain it. Suppose we have a function f(x,y,z ....) and we need to find its value at the point (x1,y1,z1 .....). The most trivial approach is to just replace (x,y,z ...) with (x1,y1,z1 .....). Now suppose that the function is taking a lot of time in evaluation and I want to parallelize the algorithm to evaluate it. Obviously it will depend on the nature of function, too. So my question is: what are the constraints that I have to look for while "thinking" to parallelize f(x,y,z...)? If possible, please share links to study.

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• Storing credit card details

  - by Andrew

  I have a business requirement that forces me to store a customer's full credit card details (number, name, expiry date, CVV2) for a short period of time. Rationale: If a customer calls to order a product and their credit card is declined on the spot you are likely to lose the sale. If you take their details, thank them for the transaction and then find that the card is declined, you can phone them back and they are more likely to find another way of paying for the product. If the credit card is accepted you clear the details from the order. I cannot change this. The existing system stores the credit card details in clear text, and in the new system I am building to replace this I am clearly not going to replicate this! My question, then, is how I can securely store a credit card for a short period of time. I obviously want some kind of encryption, but what's the best way to do this? Environment: C#, WinForms, SQL-Server.

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• R - Specifying colClasses in the read.csv

  - by Derek

  Hi, I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric. data<-read.csv("test.csv" , comment.char="" , colClasses=c(time="character","numeric") , strip.white=FALSE) In the above command, I would want R to read in the "time" column as "character" and the as numeric. Although, the "data" variable did have the correct result after the command completed, R returned the following warnings. I am wondering how I could fix these warnings? Warning messages: 1: In read.table(file = file, header = header, sep = sep, quote = quote, : not all columns named in 'colClasses' exist 2: In tmp[i[i > 0L]] <- colClasses : number of items to replace is not a multiple of replacement length Thank in advance Derek

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• Looking for a php template Parser with nesting

  - by christian

  Hi Iam looking for a php parser that can do this. {tag} Replace the tag with text comming from a function {tag(params)} It must support params {tag({tag(params)},{tag(params)})} It must support nesting {tag()? else } It must support Tests {$tag=value} It must support varriables Do anyone of you know of an parser that can do this? Or maby you know how i can create one. I have tryed to do this with preg, but it seems impossible to create nesting. Smarty seems to be a bit to big, and i dont know if you can disable all the extra functionality it has. I only need the functionality that i have listet over. In smarty your able to write php code and i dont like that. {php} {/php} So if iam going to use that i need to be able to turn it of. (Iam going to use it with codeigniter.)

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• sIFR Doesn't Work in FF3 Mac.

  - by Jake

  I thought it might be something I was doing wrong, but I am not seeing it working on any site, including Novemberborn.net. Any Ideas? The CSS is loaded, so the headlines are hidden, and then it is like the JS isn't loaded at all. Could this be a browser detection issue? I am using firefox 3 with latest flash player version 10. I have heard the complaint from other Mac users as well. Works on every other browser... EDIT: I removed the CSS to hide, it still doesn't work. After a pause, it loads the JS and removes the headlines, but doesn't replace them.

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• Regex for url formatting (www.domain.tld to anchors)

  - by Kristaps

  Hi. I'm currently developing a little browser-based Twitter widget. Currently, I'm stuck with getting the URLs to work. I'm kinda newbie, when it comes to regex (I know, how to get parts of a string, but this one – tough one). So, I need a regex that would search/replace www.domain.tld -> <a href="http://www.domain.tld">http://www.domain.tld</a> With/without http://, preferably. Any advice is welcome. Thanks.

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• ASP MVC 2 : Custom display of a required form element based on ModelMetaData

  - by Nigel

  I have an MVC 2 application that utilises forms. The required fields within the form are set using attributes that update the model metadata. The form fields are created using the MVC HtmlHelper method : Html.EditorFor. This works fine so far as validation is concerned, but it seems that by default the required fields are not displayed to the user (for example by appending a * to the control). If I wanted to provide some custom means of displaying this fact to the user (lets immagine I want to change the background colour of the edit control for example), where is the best place to do it. Would I need to create a custom html helper to replace EditorFor? I tried but it seemed difficult to gain access to the metadata for the correct property. I already have a custom ModelMetaDataProvider so there is no problem adding it there if that is the correct place.

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• NHibernate with or without Repository

  - by Groo

  There are several similar questions on this matter, by I still haven't found enough reasons to decide which way to go. The real question is, is it reasonable to abstract the NHibernate using a Repository pattern, or not? It seems that the only reason behind abstracting it is to leave yourself an option to replace NHibernate with a different ORM if needed. But creating repositories and abstracting queries seems like adding yet another layer, and doing much of the plumbing by hand. One option is to use expose IQueryable<T> to the business layer and use LINQ, but from my experience LINQ support is still not fully implemented in NHibernate (queries simply don't always work as expected, and I hate spending time on debugging a framework). Although referencing NHibernate in my business layer hurts my eyes, it is supposed to be an abstraction of data access by itself, right? What are you opinions on this?

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• SQLite multi process access

  - by Nicolas

  Hello, We are using SQLite in a multi processes and multi threaded application. The SQLite database files are encrypted using the embedded SQLite encryption. The FAQ states that SQLite should be able to manage multi process accesses using locks mechanism. We are experiencing a strange problem: When many threads are accessing the same database file, sometime constrains violations occur, more specifically - a field with a unique constrain is getting duplicate values after calling "insert or replace" statement. It happens quite often now, that we are using the encryption. Before we started using SQLite encryption we did not notice such a behavior. Are there any specific known issues with this?

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• Python Closures Example Code

  - by user336527

  I am learning Python using "Dive Into Python 3" book. I like it, but I don't understand the example used to introduce Closures in Section 6.5. I mean, I see how it works, and I think it's really cool. But I don't see any real benefit: it seems to me the same result could be achieved by simply reading in the rules file line by line in a loop, and doing search / replace for each line read. Could someone help me to: either understand why using closures in this example improves the code (e.g., easier to maintain, extend, reuse, or debug?) or suggest a source of some other real-life code examples where closures really shine? Thank you!

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• getElementsByClassName not working on parsed html data in greasemonkey

  - by Sid

  Hi my code is as such var xhReq = new XMLHttpRequest(); xhReq.open("GET", linksRaw, false); xhReq.send(null); var serverResponse = xhReq.responseText; var tempDiv = document.createElement('div'); tempDiv.innerHTML = serverResponse.replace(/<script(.|\s)*?\/script>/g, ''); var plzWork = tempDiv.getElementsByClassName('organizationID').innerHTML; console.log(plzWork); The value of 'plzWork' :-) which is logged to the firebug console is always 'undefined' while the link code is <a class="organisationID" href="orglists.htm">Partner Organisations</a> I'm writing this script in the latest versions of Greasemonkey and FF 3.6 Thanks

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