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Articles indexed Tuesday June 15 2010

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  • Android continue à progresser face à l'iPhone, malgré un Android Market qui enchaîne les bourdes

    Mise à jour du 15/06/10 Android continue à progresser face à l'iPhone Malgré un Android Market qui enchaîne les dysfonctionnements Les chiffres sont bons pour Android. D'après la société de mesure d'audience quantcast, l'OS mobile de Google continue de gagner des parts de marché (PDM) aux Etats-Unis, notamment aux dépends de l'iPhone (et du nouvellement nommé iOS). [IMG]http://ftp-developpez.com/gordon-fowler/android%20progression.png[/IMG] Il n'en reste pas ...

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  • Simple search form passing the searched string through GET

    - by Brian Roisentul
    Hi, I'd like my Search form to return the following url after submit: /anuncios/buscar/the_text_I_searched My form is the following: <% form_for :announcement, :url => search_path(:txtSearch) do |f| %> <div class="searchBox" id="basic"> <%= text_field_tag :txtSearch, params[:str_search].blank? ? "Busc&aacute; tu curso r&aacute;pido y f&aacute;cil." : params[:str_search], :maxlength=> 100, :class => "basicSearch_inputField", :onfocus => "if (this.value=='Busc&aacute; tu curso r&aacute;pido y f&aacute;cil.') this.value=''", :onblur => "if(this.value=='') { this.value='Busc&aacute; tu curso r&aacute;pido y f&aacute;cil.'; return false; }" %> <div class="basicSearch_button"> <input type="submit" value="BUSCAR" class="basicSearch_buttonButton" /> <br /><a href="#" onclick="javascript:jQuery('#advance').modal({opacity:60});">Busqueda avanzada</a> </div> </div> <% end %> My routes' line for search_path is this: map.search '/anuncios/buscar/:str_search', :controller => 'announcements', :action => 'search' Well, this will work if I manually type the url I want in the brower, but definitely, if you look at the form's url, you'll find a ":txtSearch" parameter, which is not giving me the actual value of the text field when the form is submitted. And that's what I'd like to get! Could anybody help me on this?

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  • SQL LEFT JOIN help

    - by Stolz
    My scenario: There are 3 tables for storing tv show information; season, episode and episode_translation. My data: There are 3 seasons, with 3 episodes each one, but there is only translation for one episode. My objetive: I want to get a list of all the seasons and episodes for a show. If there is a translation available in a specified language, show it, otherwise show null. My attempt to get serie 1 information in language 1: SELECT season_number AS season,number AS episode,name FROM season NATURAL JOIN episode NATURAL LEFT JOIN episode_trans WHERE id_serie=1 AND id_lang=1 ORDER BY season_number,number result: +--------+---------+--------------------------------+ | season | episode | name | +--------+---------+--------------------------------+ | 3 | 3 | Episode translated into lang 1 | +--------+---------+--------------------------------+ expected result +-----------------+--------------------------------+ | season | episode| name | +-----------------+--------------------------------+ | 1 | 1 | NULL | | 1 | 2 | NULL | | 1 | 3 | NULL | | 2 | 1 | NULL | | 2 | 2 | NULL | | 2 | 3 | NULL | | 3 | 1 | NULL | | 3 | 2 | NULL | | 3 | 3 | Episode translated into lang 1 | +--------+--------+--------------------------------+ Full DB dump http://pastebin.com/Y8yXNHrH

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  • Is c++ explicit conversion really that bad?

    - by LoudNPossiblyRight
    My knowledge in c++ at this point is more academic than anything else and in all my reading thus far, the use of explicit conversion with named casts (const_cast, static_cast, reinterpret_cast, dynamic_cast) has come with a big warning label (and it's easy to see why) that pretty much implies explicit conversion is symptomatic of bad design and should only be used as a last resort in desperate circumstances. So i have to ask: Is explicit conversion with named casts really just jury rigging code or is there a more graceful and positive application to this feature? Is there a good example of the latter? Thanks in advance.

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  • Create a "inset" effect using CSS in websites

    - by Aakash Chakravarthy
    Hello, I am very much impressed by the "inset" like effect in many latest websites. Some examples are and The line in the center. Nowadays, many websites use these kinds of lines/effects. I tried to achieve the same with borders but the color combination is not working me and it is not proper. Do other websites use images for these ? is it easy to this ? Any example css ? Example sites: http://woothemes.com, http://net.tutsplus.com/ , http://www.w3schools.com (in the header) and in wordpress admin page sidebar

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  • How can solve "Cross-thread operation not valid"?

    - by Phsika
    i try to start multi Thread but i can not it returns to me error: Cross-thread operation not valid: 'listBox1' thread was created to control outside access from another thread was. MyCodes: public DataTable dTable; public DataTable dtRowsCount; Thread t1; ThreadStart ts1; void ExcelToSql() { // SelectDataFromExcel(); ts1 = new ThreadStart(SelectDataFromExcel); t1 = new Thread(ts1); t1.Start(); } void SelectDataFromExcel() { string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Source\Addresses.xlsx;Extended Properties=""Excel 12.0;HDR=YES;"""; OleDbConnection excelConnection = new OleDbConnection(connectionString); string[] Sheets = new string[] { "Sayfa1"}; excelConnection.Open(); // This code will open excel file. OleDbCommand dbCommand; OleDbDataAdapter dataAdapter; // progressBar1.Minimum = 1; foreach (var sheet in Sheets) { dbCommand = new OleDbCommand("select * From[" + sheet + "$]", excelConnection); //progressBar1.Maximum = CountRowsExcel(sheet).Rows.Count; // progressBar2.Value = i + 1; System.Threading.Thread.Sleep(1000); **listBox1.Items.Add("Tablo ismi: "+sheet.ToUpper()+"Satir Adeti: "+CountRowsExcel(sheet).Rows.Count.ToString()+" ");** dataAdapter = new OleDbDataAdapter(dbCommand); dTable = new DataTable(); dataAdapter.Fill(dTable); dTable.TableName = sheet.ToUpper(); dTable.Dispose(); dataAdapter.Dispose(); dbCommand.Dispose(); ArrangedDataList(dTable); FillSqlTable(dTable, dTable.TableName); } excelConnection.Close(); excelConnection.Dispose(); }

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  • Convert VB6 Randomize to C#

    - by Thomas G. Mayfield
    I'm writing a C# frontend to a legacy database that uses VB6 Rnd() and Randomize() methods for user password encryption. The encryption function is very simplistic and really not all that secure, but it's what all current passwords are stored with. What I'd like to be able to do is authenticate legacy users from a C# application. I can write new encryption (or preferably hashing) code for VB6 so that all future users have a more secure password, and that can be duplicated in C#. But I don't want to require current users to have had their password reset before they can use the new frontend. Is there any way I can reimplement that algorithm in C# so that it produces identical results to the legacy VB6 code?

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  • The Definitive Guide To Website Authentication (beta)

    - by Michiel de Mare
    Form Based Authentication For Websites Please help us create the definitive resource for this topic. We believe that stackoverflow should not just be a resource for very specific technical questions, but also for general guidelines on how to solve variations on common problems. "Form Based Authentication For Websites" should be a fine topic for such an experiment. It should include topics such as: how to log in how to remain logged in how to store passwords using secret questions forgotten password functionality OpenID "Remember me" checkbox Browser autocompletion of usernames and passwords secret urls (public urls protected by digest) checking password strength email validation and much more It should not include things like: roles and authorization http basic authentication Please help us by Suggesting subtopics Submitting good articles about this subject Editing the official answer (as soon as you have enough karma) UPDATE: See the terrific 7-part series by Jens Roland below.

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  • Next programming paradigm for CBE/GPU in the next years

    - by Werner
    Hi, in the last five years, there has been a rise in the use of GPU and CBE for parallelization of applications. Around 2005-2007 verything seemed to be programmed by hand, C, etc. Afterwards new unifying alternatives emerged like CUDA for GPU and lastly OpenCL. What do you think will be the programming paradigm for GPU/CBE in the forthcoming years? My vote goes for OpenCL Thanks

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  • Binded click loses context of my Class. JS

    - by Fabiano PS
    Hi, I have this problem that I probably understand but don't know how to handle, if there is a way. I have a class simplified as this: function DrawingTable(canvas_id){ this.canvas_id = canvas_id; bind_events() function bind_events(){ $(get_canvas()).click(function(e){ var canvas = get_canvas() //works do_something_in_the_instance_who_called_click() } function get_canvas(){return document.getElementById(canvas_id)} function do_something_in_the_instance_who_called_click(){ alert(this.canvas_id) //fail! } } Because when the click() is invoked for what it looks this is not inside the instance anymore, but I need to change atributes from there.. is there a way, given that may be multiple instances? I don't really know how but the get_canvas() works :) I'm using jQuery but likely not relevant

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  • Tabindex is not working in ie 7

    - by Mayur
    Hi All, I used a tabindex in my code, everything is going great its works finr in Firefox, ie8, safari but its not working properly in ie7, when i used a tab index in ie7 it come up to two input file then it get back to index one; example: <div tabindex=1> <a onclick="slide_down()" style="cursor:pointer;width:160px; padding-bottom:10px;" >sample link</a> </div> <div tabindex=2> <a onclick="slide_down()" style="cursor:pointer;width:160px; padding-bottom:10px;" >sample link1</a> </div> <div tabindex=3> <a onclick="slide_down()" style="cursor:pointer;width:160px; padding-bottom:10px;" >sample link2</a> </div> Thanks

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  • Partial view postback from a standard Html form with MVC

    - by fearofawhackplanet
    I have a file upload button on my MVC view. After the file is uploaded, my FileList partial view on the page should refresh. I tried to upload with Ajax.BeginForm(), but have discovered that Ajax will not submit file data. I've got the file upload working now by using the jQuery Form plugin, which lets you ajaxify the normal Html.BeginForm() submit method. Is is still possible to trigger the partial page update using this method?

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  • How to find all points away from some polygon?

    - by Z77
    What I need is to find all points away from rectangle for 10km. Points geometry is the_geom1, rectangles (polygon) geometry is the_geom2. SRID of them is 4258. I tried: SELECT * FROM table1,table2 WHERE ST_DWithin(table1.the_geom1,table2.the_geom2,10000) and table1.gid=2; But the result is not Ok.

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  • Regex not being greedy enough

    - by Chad
    I've got the following regex that was working perfectly until a new situation arose ^.*[?&]U(?:RL)?=(?<URL>.*)$ Basically, it's used against URLs, to grab EVERYTHING after the U=, or URL= and return it in the URL match So, for the following http://localhost?a=b&u=http://otherhost?foo=bar URL = http://otherhost?foo=bar Unfortunately an odd case came up http://localhost?a=b&u=http://otherhost?foo=bar&url=http://someotherhost Ideally, I want URL to be "http://otherhost?foo=bar&url=http://someotherhost", instead, it is just "http://someotherhost"

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  • Parameter has no walue

    - by Simon
    string queryString = "SELECT SUM(skupaj_kalorij)as Skupaj_Kalorij " + "FROM (obroki_save LEFT JOIN users ON obroki_save.ID_uporabnika=users.ID)" + "WHERE users.ID= " + a.ToString() + " AND obroki_save.datum =?"; using (OleDbCommand cmd = new OleDbCommand(queryString,database)) { cmd.Parameters.Add("@datum", OleDbType.Char).Value = DateTime.Now.ToShortDateString(); } Why doesn't the parametr datum get the date value? (the value of at least one complex parameter has not been determined )

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