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  • How to fix width of DIV that contains floated elements?

    - by joe
    I have a DIV container with several inner DIVs layed out by floating them all left. The inner DIVs may change width on certain events, and the containing DIV adjusts accordingly. I use float:left in the container to keep it shrunk to the width of the inner divs. I use float:left in the inner divs so the layout is clean even when their contents change. The catch is that I want the DIV container width and height to remain constant, UNLESS a particular event causes a change to the inner widths. Conceptually I want to use float on the inners for the layout benefit, but then I want to "fix" them so they don't float around. So if the container is 700px wide, I want it to remain so even if the user narrows the browser window. I'd like the container, and it's internal DIVs to just be clipped by the browser window. I sense this can all be done nicely in CSS, I just can't quite figure out how. I'm not averse to adding another container if necessary... Since the only desired layout changes are event-based, I am also willing to use a bit of JS. But is this necessary? (And I'm still not sure I know what to modify: container dimensions? inner floatiness? other?) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <style type="text/css"> #canvas { overflow:auto; /* for clearing floats */ } #container { float:left; /* so container shrinks around contained divs */ border:thin solid blue; } .inner { float:left; /* so inner elems line up nicely w/o saying fixed coords */ padding-top:8px; padding-bottom:4px; padding-left:80px; padding-right:80px; } #inner1 { background-color:#ffdddd; } #inner2 { background-color:#ddffdd; } #inner3 { background-color:#ddddff; } </style> </head> <body> <div id="canvas"> <div id="container"> <div id="inner1" class="inner"> inner 1 </div> <div id="inner2" class="inner"> inner 2 </div> <div id="inner3" class="inner"> inner 3 </div> </div> </div> cleared element </body> </html>

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  • Get corresponding physical disk drives of mountpoints with WMI queries?

    - by Thomas
    Is there a way to retrieve a connection between a mountpoint (a volume which is mounted into the file system instead of mounted to a drive letter) and its belonging physical disk drive(s) with WMI? For example I have got a volume mountpoint on a W2K8 server which is mounted to “C:\Data\” and the mountpoint is spreaded on the physical disk drives 2, 4, and 5 of the server (the Data Management of the Server Manager shows that) but I cannot find a way to get this to know by using WMI. Volumes which have got a drive letter can be connected with the WMI-Classes Win32_DiskDrive -- Win32_DiskDriveToDiskPartition -- Win32_DiskPartition -- Win32_LogicalDiskToPartition -- Win32_LogicalDisk – but the problem is, that volume mountpoints aren’t listed in the class Win32_LogicalDisk, they are only listed in Win32_Volume. And I did not find a way to connect the class Win32_Volume with the class Win32_DiskDrive – there are missing some linking classes. Does anyone know a solution?

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  • CSS Caching and User-CUstomized CSS - Any Suggestions?

    - by Joe
    I'm just trying to figure out the best approach here... my consideration is that I'd like my users to be able to customize the colors of certain elements on the page. These are not pre-made css they can choose from, but rather styles that can be edited using javascript to change the style, so they cannot be "pre-made" into separate style sheets. I am also generating the css into a cache directory since I am generating the css through a PHP script. I am thinking that, perhaps I should: 1) If cached css file doesn't exist, create css file using the website default style settings. 2) If cached css file does exist, check if user has custom settings, if so, edit the cache file before displaying it. Btw, when I refer to "cached file" I mean the PHP generated css document. My goal is to prevent the need to have PHP re-generate the css file each time, whilst still allowing users, when logged in, to have their customized css settings applied. I will store these settings in a database most likely so when they return it is saved for them when they login.

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  • How can I convert HTML to Textile?

    - by Joe Van Dyk
    I'm scraping a static html site and moving the content into a database-backed CMS. I'd like to use Textile in the CMS. Is there a tool out there that converts HTML into Textile, so I can scrape the existing site, convert the HTML to Textile, and insert that data into the database?

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  • How to fix weird issue with iconv on Mac Os x

    - by thomas mery
    Hi all, I am on Mac Os X 10.5 (but I reproduced the issue on 10.4) I am trying to use iconv to convert an UTF-8 file to ASCII the utf-8 file contains characters like 'éàç' I want the accented characters to be turned into their closest ascii equivalent so my command is this : iconv -f UTF-8 -t ASCII//TRANSLIT//IGNORE myutf8file.txt which works fine on a Linux machine but on my local Mac Os X I get this for instance : è = 'e à = `a I really dont undersatnd why iconv returns this weird output on mac os x but all is fine on linux any help ? or directions ? thanks in advance

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  • Tiling rectangles seamlessly in WPF

    - by Joe White
    I want to seamlessly tile a bunch of different-colored Rectangles in WPF. That is, I want to put a bunch of rectangles edge-to-edge, and not have gaps between them. If everything is aligned to pixels, this works fine. But I also want to support arbitrary zoom, and ideally, I don't want to use SnapsToDevicePixels (because it would compromise quality when the image is zoomed way out). But that means my Rectangles sometimes render with gaps. For example: <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Background="Black"> <Canvas SnapsToDevicePixels="False"> <Canvas.RenderTransform> <ScaleTransform ScaleX="0.5" ScaleY="0.5"/> </Canvas.RenderTransform> <Rectangle Canvas.Left="25" Width="100" Height="100" Fill="#CFC"/> <Rectangle Canvas.Left="125" Width="100" Height="100" Fill="#CCF"/> </Canvas> </Page> If the ScaleTransform's ScaleX is 1, then the Rectangles fit together seamlessly. When it's 0.5, there's a dark gray streak between them. I understand why -- the combined semi-transparent edge pixels don't combine to be 100% opaque. But I would like a way to fix it. I could always just make the Rectangles overlap, but I won't always know in advance what patterns they'll be in (this is for a game that will eventually support a map editor). Besides, this would cause artifacts around the overlap area when things were zoomed way in (unless I did bevel-cut angles on the underlapping portion, which is an awful lot of work, and still causes problems at corners). Is there some way I can combine these Rectangles into a single combined "shape" that does render without internal gaps? I've played around with GeometryDrawing, which does exactly that, but then I don't see a way to paint each RectangleGeometry with a different-colored brush. Are there any other ways to get shapes to tile seamlessly under an arbitrary transform, without resorting to SnapsToDevicePixels?

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  • What should a Java/SOA developer be able to do?

    - by Regular Joe
    Hello community. I got assigned the task to list the activities a Java Developer should be able to perform and create an estimate about the time it would take. I've came up with the following: S = Small complexity M = Medium complexity H = High complexity 1d = 1 day Create JDBC CRUD backend ( S=1d, M=5d, H=10d ) Create JSP/Servlet frontend for a CRUD app ( S=1d, M=10d, H=20d ) Create Swing desktop frontend ( S=1d, M=15d, H=30d) Create ORM based CRUD ... Create Webapp fronend with webframework ... This is thought for a Java "enterprise" developer. The other profile I have is SOA Developer, but I could not pass beyond: Create webservice ( S=.5d, M=2d, H=7d ) Q.- What other activities should a Java Developer be able to do? Q.- What activities should a SOA Developer be able to do? Please, help me with this, I know this is in the limit of the kind of questions that could be asked here, but I really need a little push on this, and I don't want to go to Yahoo Answers for this.

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  • AppEngine BlobStore upload failing when request is programmatic

    - by Joe Ludwig
    I have an AppEngine application that uses the blobstore to store user-provided image data. When I upload images to that application from a form in Chrome it works fine. When I try to upload an image from an Android application it fails. Both methods work fine if I am running against the development server, but the Android upload doesn't work against the live service. This is the request from Chrome: POST /_ah/upload/?userToken=11001/AMmfu6ZCyMQQ9YdiXal3SmSXIRTQIuSRXkNc-i3JmU0fqx_kJbUJ2OMLcS2lXhVJSK4qs7regViTKzOPz5ejoZYi0nAD5o8vNltiOViQw6DZO7_byZz3Ut0/ALBNUaYAAAAAS_lusgPMAGmpPrg0BuNsJyymX-57ob4i/ HTTP/1.1 Host: photohuntservice.appspot.com Connection: keep-alive User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064 Safari/532.5 Referer: http://photohuntservice.appspot.com/debug_newpuzzle?userToken=11001 Content-Length: 60360 Cache-Control: max-age=0 Origin: http://photohuntservice.appspot.com Content-Type: multipart/form-data; boundary=----WebKitFormBoundarybl05YLmLbFRf2MzN Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 ------WebKitFormBoundarybl05YLmLbFRf2MzN Content-Disposition: form-data; name="userToken" 11001 ------WebKitFormBoundarybl05YLmLbFRf2MzN Content-Disposition: form-data; name="img"; filename="Photo_020908_001.jpg" Content-Type: image/jpeg <image data> ------WebKitFormBoundarybl05YLmLbFRf2MzN Content-Disposition: form-data; name="longitude" -122.084095 ------WebKitFormBoundarybl05YLmLbFRf2MzN Content-Disposition: form-data; name="latitude" 37.422006 ------WebKitFormBoundarybl05YLmLbFRf2MzN-- This is the request from my client (which is written in Java on Android, but I don't think that's relevant): POST /_ah/upload/?userToken=11001/AMmfu6Zf9an6AU4lT9UuhIpxOZyOYb1LMwimFpeSh8zr6J1sX9F2ddJW3Qlsw0kwV3oALv-TNPWRQ6g4_Dgwk0UTwF47bbc78Yl44kDeV69MydTuR3N46S4/ALBNUaYAAAAAS_mMr3CYqTg3aVBDjhRxP0DyyRdvotyG/ HTTP/1.1 Content-Type: multipart/form-data;boundary=----WebKitFormBoundaryhdyNAhmOouRDGErG Cache-Control: max-age=0 Accept: */* Origin: http://photohuntservice.appspot.com Connection: keep-alive Referer: http://photohuntservice.appspot.com/getuploadurl?userToken=11001 Content-Length: 2638 Host: photohuntservice.appspot.com User-Agent: Apache-HttpClient/UNAVAILABLE (java 1.4) Expect: 100-Continue ------WebKitFormBoundaryhdyNAhmOouRDGErG Content-Disposition: form-data; name="userToken" 11001 ------WebKitFormBoundaryhdyNAhmOouRDGErG Content-Disposition: form-data; name="img";filename="PhotoHunt.jpg" Content-Type: image/jpeg <image data> ------WebKitFormBoundaryhdyNAhmOouRDGErG Content-Disposition: form-data; name="latitude" 37.422006 ------WebKitFormBoundaryhdyNAhmOouRDGErG Content-Disposition: form-data; name="longitude" -122.084095 ------WebKitFormBoundaryhdyNAhmOouRDGErG-- In both cases the AppEngine Python code to catch the request is the same: class UploadPuzzle( blobstore_handlers.BlobstoreUploadHandler ): def post(self): upload_files = self.get_uploads( ) The problem is that when running on the production AppEngine service self.get_uploads() returns an empty list when the request is made from my client app. Both requests return what I expect (a list with one blob_info in it) on the development server, and Chrome returns what I expect in both cases.

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  • MS Surface drag & drop SurfaceListBoxItems

    - by Joe G
    Hey guys I'm working on the Microsoft Surface Table and I'm attempting to drag an item from 1 SurfaceListBox to another and recognize which SurfaceListBoxItem the other SurfaceListBoxItem was dropped on top of. The SDK help as a great tutorial for dragging items from 1 SurfaceListBox to the next and just adding the content and removing it from the other. If I set AllowDrop=True on the SurfaceListBoxItem the SurfaceListBox still captures the drop. If I set it to false on the SurfaceListBox it doesn't recognize the drop at all. Somehow I need to bury deeper on that drop or something.

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  • Problem with JS Selectbox Function

    - by Thomas
    I have a selectbox with three options. When a user selects one of the three options, I want a specific div to appear below it. I am trying to write the code that dictates which specific box is to appear when each of the three options is selected. So far, I have only worked on the code that pertains to the first option. However, whenever the user selects any of the three options from the selectbox, the function for the first option is triggered and the div is displayed. My question is two part: 1) How do I write a conditional function that specifically targets the selected option 2) What is the best way to accomplish what I have described above; How do I efficiently go about defining three different functions for three different options in a select box? Here is the function I was working on for the first option: $(document).ready(function(){ var subTableDiv = $("div.subTableDiv"); var subTableDiv1 = $("div.subTableDiv1"); var subTableDiv2 = $("div.subTableDiv2"); subTableDiv.hide(); subTableDiv1.hide(); subTableDiv2.hide(); var selectmenu=document.getElementById("customfields-s-18-s"); selectmenu.onchange=function(){ //run some code when "onchange" event fires var chosenoption=this.options[this.selectedIndex].value //this refers to "selectmenu" if (chosenoption.value ="Co-Op"){ subTableDiv1.slideDown("medium"); } } }); Html: <tr> <div> <select name="customfields-s-18-s" class="dropdown" id="customfields-s-18-s" > <option value="Condominium"> Condominium</option> <option value="Co-Op"> Co-Op</option> <option value="Condop"> Condop</option> </select> </div> </tr> <tr class="subTable"> <td colspan="2"> <div style="background-color: #EEEEEE; border: 1px solid #CCCCCC; padding: 10px;" id="Condominium" class="subTableDiv">Hi There! This is the first Box</div> </td> </tr> <tr class="subTable"> <td colspan="2"> <div style="background-color: #EEEEEE; border: 1px solid #CCCCCC; padding: 10px;" id="Co-Op" class="subTableDiv1">Hi There! This is the Second Box</div> </td> </tr> <tr class="subTable"> <td colspan="2"> <div style="background-color: #EEEEEE; border: 1px solid #CCCCCC; padding: 10px;" id="Condop" class="subTableDiv2">Hi There! This is the Third Box.</div> </td> </tr>

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  • Autofac in Asp.net mvc 2

    - by Joe
    I want/need to compile autofac with asp.net mvc 2 website. I want to step thru the source to see how it works. But here is my problem. The binaries for mvc dll is apparently bound for asp.net mvc 1. I am having trouble working out what the settings for the project file need to be for .Net 3.5 and asp.net mvc 2. one is the NET35 directive but I still get errors that out is not a type.

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  • Extracting bool from istream in a templated function

    - by Thomas Matthews
    I'm converting my fields class read functions into one template function. I have field classes for int, unsigned int, long, and unsigned long. These all use the same method for extracting a value from an istringstream (only the types change): template <typename Value_Type> Value_Type Extract_Value(const std::string& input_string) { std::istringstream m_string_stream; m_string_stream.str(input_string); m_string_stream.clear(); m_string_stream >> value; return; } The tricky part is with the bool (Boolean) type. There are many textual representations for Boolean: 0, 1, T, F, TRUE, FALSE, and all the case insensitive combinations Here's the questions: What does the C++ standard say are valid data to extract a bool, using the stream extraction operator? Since Boolean can be represented by text, does this involve locales? Is this platform dependent? I would like to simplify my code by not writing my own handler for bool input. I am using MS Visual Studio 2008 (version 9), C++, and Windows XP and Vista.

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  • ASP.Net GridView UpdatePanel Paging Gives Error On Second Click

    - by joe
    I'm trying to implement a GridView with paging inside a UpdatePanel. Everything works great when I do my first click. The paging kicks in and the next set of data is loaded quickly. However, when I then try to click a link for another page of data, I get the following error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 12030 aspx code <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <contenttemplate> <asp:GridView ID="GridView1" runat="server" CellPadding="2" AllowPaging="true" AllowSorting="true" PageSize="20" OnPageIndexChanging="GridView1_PageIndexChanging" OnSorting="GridView1_PageSorting" AutoGenerateColumns="False"> <Columns> <asp:BoundField DataField="ActivityLogID" HeaderText="Activity Log ID" SortExpression="ActivityLogID" /> <asp:BoundField DataField="ActivityDate" HeaderText="Activity Date" SortExpression="ActivityDate" /> <asp:BoundField DataField="ntUserID" HeaderText="NTUserID" SortExpression="ntUserID" /> <asp:BoundField DataField="ActivityStatus" HeaderText="Activity Status" SortExpression="ActivityStatus" /> </Columns> </asp:GridView> </contenttemplate> </asp:UpdatePanel> code behind private void bindGridView(string sortExp, string sortDir) { SqlCommand mySqlCommand = new SqlCommand(sSQL, mySQLconnection); SqlDataAdapter mySqlAdapter = new SqlDataAdapter(mySqlCommand); mySqlAdapter.Fill(dtDataTable); DataView myDataView = new DataView(); myDataView = dt.DefaultView; if (sortExp != string.Empty) { myDataView.Sort = string.Format("{0} {1}", sortExp, sortDir); } GridView1.DataSource = myDataView; GridView1.DataBind(); if (mySQLconnection.State == ConnectionState.Open) { mySQLconnection.Close(); } } protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; bindGridView(); } protected void GridView1_PageSorting(object sender, GridViewSortEventArgs e) { bindGridView(e.SortExpression, sortOrder); } any clues on what is causing the error on the second click?

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  • web grid server pagination trigger multiple controller call when changing page

    - by Thomas Scattolin
    When I server-filter on "au" my web grid and change page, multiple call to the controller are done : the first with 0 filtering, the second with "a" filtering, the third with "au" filtering. My table load huge data so the first call is longer than others. I see the grid displaying firstly the third call result, then the second, and finally the first call (this order correspond to the response time of my controller due to filter parameter) Why are all that controller call made ? Can't just my controller be called once with my total filter "au" ? What should I do ? Here is my grid : $("#" + gridId).kendoGrid({ selectable: "row", pageable: true, filterable:true, scrollable : true, //scrollable: { // virtual: true //false // Bug : Génère un affichage multiple... //}, navigatable: true, groupable: true, sortable: { mode: "multiple", // enables multi-column sorting allowUnsort: true }, dataSource: { type: "json", serverPaging: true, serverSorting: true, serverFiltering: true, serverGrouping:false, // Ne fonctionne pas... pageSize: '@ViewBag.Pagination', transport: { read: { url: Procvalue + "/LOV", type: "POST", dataType: "json", contentType: "application/json; charset=utf-8" }, parameterMap: function (options, type) { // Mise à jour du format d'envoi des paramètres // pour qu'ils puissent être correctement interprétés côté serveur. // Construction du paramètre sort : if (options.sort != null) { var sort = options.sort; var sort2 = ""; for (i = 0; i < sort.length; i++) { sort2 = sort2 + sort[i].field + '-' + sort[i].dir + '~'; } options.sort = sort2; } if (options.group != null) { var group = options.group; var group2 = ""; for (i = 0; i < group.length; i++) { group2 = group2 + group[i].field + '-' + group[i].dir + '~'; } options.group = group2; } if (options.filter != null) { var filter = options.filter.filters; var filter2 = ""; for (i = 0; i < filter.length; i++) { // Vérification si type colonne == string. // Parcours des colonnes pour trouver celle qui a le même nom de champ. var type = ""; for (j = 0 ; j < colonnes.length ; j++) { if (colonnes[j].champ == filter[i].field) { type = colonnes[j].type; break; } } if (filter2.length == 0) { if (type == "string") { // Avec '' autour de la valeur. filter2 = filter2 + filter[i].field + '~' + filter[i].operator + "~'" + filter[i].value + "'"; } else { // Sans '' autour de la valeur. filter2 = filter2 + filter[i].field + '~' + filter[i].operator + "~" + filter[i].value; } } else { if (type == "string") { // Avec '' autour de la valeur. filter2 = filter2 + '~' + options.filter.logic + '~' + filter[i].field + '~' + filter[i].operator + "~'" + filter[i].value + "'"; }else{ filter2 = filter2 + '~' + options.filter.logic + '~' + filter[i].field + '~' + filter[i].operator + "~" + filter[i].value; } } } options.filter = filter2; } var json = JSON.stringify(options); return json; } }, schema: { data: function (data) { return eval(data.data.Data); }, total: function (data) { return eval(data.data.Total); } }, filter: { logic: "or", filters:filtre(valeur) } }, columns: getColonnes(colonnes) }); Here is my controller : [HttpPost] public ActionResult LOV([DataSourceRequest] DataSourceRequest request) { return Json(CProduitsManager.GetProduits().ToDataSourceResult(request)); }

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  • Things one needs to know while writing a game engine

    - by Joe Barr
    I have been dabbling in game development as a hobby for a while now, and I cannot seam to quite get my games to sparkle at least a bit with some graphics. I have decided to write a simple test game engine that only focuses on the representation of graphics - shapes, textures and surfaces. While I have a few very simple game engines designed for my own games under my belt, I want to create a game engine that I can use to display and play with graphics. I'm going to do this in C++. Since this is my first time with a major engine, the engine in not going to focus on 3D graphics, it's going to be a mixture of isometric and 2D graphics. My previous engines have incorporated (been able to draw) or focused on simple flat (almost 2D) non impressive graphic designs and representations of: the player NPCs objects walls and surfaces textures Also, I had some basic AI and sometimes even sound. They also saved and loaded games. They didn't have a map editor or a level editor. Is this going to be a problem in the future? At this time I have to point out that some of my games didn't get finished because I was to lazy to write the few last levels. My question at this point would be: What are some things one should know if one wants write (develope) a better graphical game engine with all it's functions.

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  • When would ShowDialog() return null?

    - by Joe White
    WPF's Window.ShowDialog method returns a nullable boolean. So does CommonDialog.ShowDialog. Now, I understand cases where these would return false (user clicked Cancel or pressed Esc), and when they would return true (code sets Window.DialogResult to true, probably in response to OK being clicked). But null? My first thought is that clicking the title bar's Close button might return null. But the docs state (and I confirmed by testing) that the title-bar Close button is treated as a Cancel. So when would Window.ShowDialog or CommonDialog.ShowDialog ever return null?

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  • Fuzzy Regular Expressions

    - by Thomas Ahle
    In my work I have with great results used approximate string matching algorithms such as Damerau–Levenshtein distance to make my code less vulnerable to spelling mistakes. Now I have a need to match strings against simple regular expressions such TV Schedule for \d\d (Jan|Feb|Mar|...). This means that the string TV Schedule for 10 Jan should return 0 while T Schedule for 10. Jan should return 2. This could be done by generating all strings in the regex (in this case 100x12) and find the best match, but that doesn't seam practical. Do you have any ideas how to do this effectively?

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  • Why C# doesn't implement indexed properties ?

    - by Thomas Levesque
    I know, I know... Eric Lippert's answer to this kind of question is usually something like "because it wasn't worth the cost of designing, implementing, testing and documenting it". But still, I'd like a better explanation... I was reading this blog post about new C# 4 features, and in the section about COM Interop, the following part caught my attention : By the way, this code uses one more new feature: indexed properties (take a closer look at those square brackets after Range.) But this feature is available only for COM interop; you cannot create your own indexed properties in C# 4.0. OK, but why ? I already knew and regretted that it wasn't possible to create indexed properties in C#, but this sentence made me think again about it. I can see several good reasons to implement it : the CLR supports it (for instance, PropertyInfo.GetValue has an index parameter), so it's a pity we can't take advantage of it in C# it is supported for COM interop, as shown in the article (using dynamic dispatch) it is implemented in VB.NET it is already possible to create indexers, i.e. to apply an index to the object itself, so it would probably be no big deal to extend the idea to properties, keeping the same syntax and just replacing this with a property name It would allow to write that kind of things : public class Foo { private string[] _values = new string[3]; public string Values[int index] { get { return _values[index]; } set { _values[index] = value; } } } Currently the only workaround that I know is to create an inner class (ValuesCollection for instance) that implements an indexer, and change the Values property so that it returns an instance of that inner class. This is very easy to do, but annoying... So perhaps the compiler could do it for us ! An option would be to generate an inner class that implements the indexer, and expose it through a public generic interface : // interface defined in the namespace System public interface IIndexer<TIndex, TValue> { TValue this[TIndex index] { get; set; } } public class Foo { private string[] _values = new string[3]; private class <>c__DisplayClass1 : IIndexer<int, string> { private Foo _foo; public <>c__DisplayClass1(Foo foo) { _foo = foo; } public string this[int index] { get { return _foo._values[index]; } set { _foo._values[index] = value; } } } private IIndexer<int, string> <>f__valuesIndexer; public IIndexer<int, string> Values { get { if (<>f__valuesIndexer == null) <>f__valuesIndexer = new <>c__DisplayClass1(this); return <>f__valuesIndexer; } } } But of course, in that case the property would actually return a IIndexer<int, string>, and wouldn't really be an indexed property... It would be better to generate a real CLR indexed property. What do you think ? Would you like to see this feature in C# ? If not, why ?

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  • Is there a perl idiom which is the functional equivalent of calling a subroutine from within the sub

    - by Thomas L Holaday
    Perl allows ... $a = "fee"; $result = 1 + f($a) ; # invokes f with the arugment $a but disallows, or rather doesn't do what I want ... s/((fee)|(fie)|(foe)|(foo))/f($1)/ ; # does not invoke f with the argument $1 The desired-end-result is a way to effect a substitution geared off what the regex matched. Do I have to write ... sub lala { my $haha = shift; return $haha . $haha; } my $a = "the giant says foe" ; $a =~ m/((fee)|(fie)|(foe)|(foo))/; my $result = lala($1); $a =~ s/$1/$result/; print "$a\n"; ... ?

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  • How do you prevent file confusion if version-control keywords are forbidden?

    - by Thomas L Holaday
    At least two brilliant programmers, Linus Torvalds and Guido von Rossum, disparage the practice of putting keywords into a file that expand to show the version number, last author, etc. I know how keyword differences clutter up diffs. One of the reasons I like SlickEdit's DiffZilla is because it can be set to skip leading comments. However, I have vivid memories of team-programming where we had four versions of a file (two different releases, a customer one-off, and the development version) all open for patching at the same time, and was quite helpful to verify with a glance that each time we navigated to an included header we got the proper one, and each time we pasted code the source and destination were what we expected. There is also the where-did-this-file-come-from problem that arises when a hasty developer copies a file from one place to another using the file system, rather than checking it out of the repository using the tool; or, more defensibly, when files under control in locations A, B, and C need to be marshalled (with cherry-picking) into a distribution location D. In places where VCS keywords are banned, how do you cope?

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