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  • Sending custom PyQt signals?

    - by Enfors
    I'm practicing PyQt and (Q)threads by making a simple Twitter client. I have two Qthreads. Main/GUI thread. Twitter fetch thread - fetches data from Twitter every X minutes. So, every X minutes my Twitter thread downloads a new set of status updates (a Python list). I want to hand this list over to the Main/GUI thread, so that it can update the window with these statuses. I'm assuming that I should be using the signal / slot system to transfer the "statuses" Python list from the Twitter thread, to the Main/GUI thread. So, my question is twofold: How do I send the statuses from the Twitter thread? How do I receive them in the Main/GUI thread? As far as I can tell, PyQt can by default only send PyQt-objects via signals / slots. I think I'm supposed to somehow register a custom signal which I can then send, but the documentation on this that I've found is very unclear to a newbie like me. I have a PyQt book on order, but it won't arrive in another week, and I don't want to wait until then. :-) I'm using PyQt 4.6-1 on Ubuntu Update: This is an excert from the code that doesn't work. First, I try to "connect" the signal ("newStatuses", a name I just made up) to the function self.update_tweet_list in the Main/GUI thread: QtCore.QObject.connect(self.twit_in, QtCore.SIGNAL("newStatuses (statuses)"), self.update_tweet_list) Then, in the Twitter thread, I do this: self.emit(SIGNAL("newStatuses (statuses)"), statuses) When this line is called, I get the following message: QObject::connect: Cannot queue arguments of type 'statuses' (Make sure 'statuses' is registered using qRegisterMetaType().) I did a search for qRegisterMetaType() but I didn't find anything relating to Python that I could understand.

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  • SQL (mySQL) update some value in all records processed by a select

    - by jdmuys
    I am using mySQL from their C API, but that shouldn't be relevant. My code must process records from a table that match some criteria, and then update the said records to flag them as processed. The lines in the table are modified/inserted/deleted by another process I don't control. I am afraid in the following, the UPDATE might flag some records erroneously since the set of records matching might have changed between step 1 and step 3. SELECT * FROM myTable WHERE <CONDITION>; # step 1 <iterate over the selected set of lines. This may take some time.> # step 2 UPDATE myTable SET processed=1 WHERE <CONDITION> # step 3 What's the smart way to ensure that the UPDATE updates all the lines processed, and only them? A transaction doesn't seem to fit the bill as it doesn't provide isolation of that sort: a recently modified record not in the originally selected set might still be targeted by the UPDATE statement. For the same reason, SELECT ... FOR UPDATE doesn't seem to help, though it sounds promising :-) The only way I can see is to use a temporary table to memorize the set of rows to be processed, doing something like: CREATE TEMPORARY TABLE workOrder (jobId INT(11)); INSERT INTO workOrder SELECT myID as jobId FROM myTable WHERE <CONDITION>; SELECT * FROM myTable WHERE myID IN (SELECT * FROM workOrder); <iterate over the selected set of lines. This may take some time.> UPDATE myTable SET processed=1 WHERE myID IN (SELECT * FROM workOrder); DROP TABLE workOrder; But this seems wasteful and not very efficient. Is there anything smarter? Many thanks from a SQL newbie.

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  • Android Scaled Drawing to ImageView

    - by user329999
    Newbie question, so there's probably a simple answer to this problem. I'm drawing some simple shapes using canvas.drawCircle(), canvas.drawLine() etc. I originally copied the code from: http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/graphics/DrawPoints.html Which extends a View and draws directly to a canvas. It doesn't load a pre-drawn bitmap because I need my application to turn data into a drawing and the user will enter the data. My changes work, but the drawing is too small (or big) and doesn't fill the screen using all the available screen. Ideally I'd rather use something like an ImageView in .XML like so: If that's possible. The documentation seems to imply that I want to set the scaleType as shown in the above .XML which seems like the simple way to do this. If using an ImageView in .XML is a good idea, then I'm lost on how to draw to the ImageView and could use some guidance on doing that task. If that won't work, then I'll need to do some more thinking about how to get my drawing scaled on the screen and basically I'm lazy and would rather have Android do the work for me. Feel free to suggest some other way that's completely different is this is the wrong solution path. :) Thanks.

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  • Visual Studio 2005 to VS 2008

    - by Adi
    hi all, I am a newbie in working on VS IDE and have not much experience in how the different libraries and files are linked in it. I have to build a OpenCV project which was made in VS2005 by one of my colleagues into VS2008. The project is for blob detection. Following is what he has to say in readme : Steps to use the library (using MSVC++ sp 5): 1 - open the project of the library and build it 2 - in the project where the library should be used, add: 2.1 In "Project/Settings/C++/Preprocessor/Additional Include directories" add the directory where the blob library is stored 2.2 In "Project/Settings/Link/Input/Additional library path" add the directory where the blob library is stored and in "Object/Library modules" add the cvblobslib.lib file 3- Include the file "BlobResult.h" where you want to use blob variables. 4- To see an example on using the blob library, see the file example.txt inside the zip file. NOTE: Verify that in the project where the cvblobslib.lib is used, the MFC Runtime Libraries are not mixed: Check in "Project-Settings-C/C++-Code Generation-Use run-time library" of your project and set it to Debug Multithreaded DLL (debug version ) or to Multithreaded DLL ( release version ). 2 Check in "Project-Settings-General" how it uses the MFC. It should be "Use MFC in a shared DLL". NOTE: The library can be compiled and used in .NET using this steps, but the menu options may differ a little NOTE2: In the .NET version, the character sets must be equal in the .lib and in the project. [OpenCV yahoo group: Msg 35500] Can anyone explain me , how to go about in doing this in VS2008. I would also appreciate if someone can explain me how the different libraries are linked , what is Debug, What is Release and all in a Visual Studio project folder we have.\ Thanks in advance Aditya

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  • JSON.Net and Linq

    - by user1745143
    I'm a bit of a newbie when it comes to linq and I'm working on a site that parses a json feed using json.net. The problem that I'm having is that I need to be able to pull multiple fields from the json feed and use them for a foreach block. The documentation for json.net only shows how to pull just one field. I've done a few variations after checking out the linq documentation, but I've not found anything that works best. Here's what I've got so far: WebResponse objResponse; WebRequest objRequest = HttpWebRequest.Create(url); objResponse = objRequest.GetResponse(); using (StreamReader reader = new StreamReader(objResponse.GetResponseStream())) { string json = reader.ReadToEnd(); JObject rss = JObject.Parse(json); var postTitles = from p in rss["feedArray"].Children() select (string)p["item"], //These are the fields I need to also query //(string)p["title"], (string)p["message"]; //I've also tried this with console.write and labeling the field indicies for each pulled field foreach (var item in postTitles) { lbl_slides.Text += "<div class='slide'><div class='slide_inner'><div class='slide_box'><div class='slide_content'></div><!-- slide content --></div><!-- slide box --></div><div class='rotator_photo'><img src='" + item + "' alt='' /></div><!-- rotator photo --></div><!-- slide -->"; } } Has anyone seen how to pull multiple fields from a json feed and use them as part of a foreach block (or something similar?

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  • Which coding system should I use in Emacs?

    - by Vivi
    I am a newbie in Emacs, and I am not a programmer. I have just tried to save a simple *.rtf file with some websites and tips on how to use emacs and I got These default coding systems were tried to encode text in the buffer `notes.rtf': (iso-latin-1-dos (315 . 8216) (338 . 8217) (1514 . 8220) (1525 . 8221)) However, each of them encountered characters it couldn't encode: iso-latin-1-dos cannot encode these: ‘ ’ “ ” .... etc, etc, etc Now what is that? Now it is asking me to chose an encoding system Select coding system (default chinese-iso-8bit): I don't even know what an encoding system is, and I would rather not have to choose one every time I try and save a document... Is there any way I can set an encoding system that will work with all my files so I don't have to worry about this? I saw another question and asnswer elsewhere in this website (see it here) and it seems that if I type the following (defun set-coding-system () (setq buffer-file-coding-system 'utf-8-unix)) (add-hook 'find-file-hook 'set-coding-system) then I can have Emacs do this, but I am not sure... Can someone confirm this to me? Thanks so much :)

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  • Hey Guy , I want ot streaming video by using VideView class . Can anyone tell me what format is it s

    - by eddyxd
    Hi , I am the newbie of android, but i hava seen the tutorial and implement some simple applications. The question i met is that I am tring to stream some video from my server to android, but the android VideoView class just plays the audition sololy without "image"@@!~ Here is my setting and android code : 1. android core code: mVideoView01.setVideoURI(Uri.parse("rtsp://192.168.16.1:8080/test.sdp")); mVideoView01.start(); 2. my streaming server is VLC and the command is: vlc -vvv d:\nobody.mp4 --sout=#transcode{vcodec=h264,width=320,hegiht=240}:rtp{dst=192.168.16.1,port=4444,sdp=rtsp://192.168.16.1:8080/test.sdp} ps: My ip is got from DHCP but I have checked it really can be connected(Android could play audition after all) ps2: I haved trid to stream some video from "http://www.americafree.tv/" and the playing is good!!@@ So I guess that the problem maybe is caused by streaming Video format, but I have almost tried every figument option form VLC, and it still don't workQQ. So Have anyone done the same test as me can give me some advice?? Thanks a lot!!!!! by eddy

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  • Jboss EAP 5 and Tomcat 6 on the same Win env. (Jboss gets Toncat`s home page when`s up)

    - by Eddie
    Hi guys, I`m newbie to Java technologies, just trying to catch up some idea of it. I was trying to build a java environment to play with Eclipse, Mysql, Tomcat and Jboss and integrate these together. I did: 1. Installed jdk1.6.0_20 (including JAVA_HOME and path variables; I work on Win Vista), mysql 5 and eclipse-jee-galileo (the latest one, 3.6 I believe) and all went good - java programs are compiled and run getting a DB connection. 2. Installed Jboss enterprise-installer-5.0.1.jar with localhost:8080 and this also went good - run.bat started it and I could log in as admin thru its home page. I integrated it with eclipse and could start and stop it from there too. 3. I got apache-tomcat-6.0.26-windows-x86 and this also runs and stops from command line and from eclipse. But this one uses localhost:8080 without asking. Now the problem is when I start jboss I get Tomcat home page and I can`t fix it. Is it probably because both now use localhost:8080? BTW, does Jboss EAP 5 contain Tomcat inside and I shouldn't add that Tomcat separately? Thanks for you help in advance, Eddie

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  • Receiving DB update events in .NET from SQLite

    - by Dan Tao
    I've recently discovered the awesomeness of SQLite, specifically the .NET wrapper for SQLite at http://sqlite.phxsoftware.com/. Now, suppose I'm developing software that will be running on multiple machines on the same network. Nothing crazy, probably only 5 or 6 machines. And each of these instances of the software will be accessing an SQLite database stored in a file in a shared directory (is this a bad idea? If so, tell me!). Is there a way for each instance of the app to be notifiied if one instance updates the database file? One obvious way would be to use the FileSystemWatcher class, read the entire database into a DataSet, and then ... you know ... enumerate through the entire thing to see what's new ... but yeah, that seems pretty idiotic, actually. Is there such a thing as a provider of SQLite updates? Does this even make sense as a question? I'm also pretty much a newbie when it comes to ADO.NET, so I might be approaching the problem from the entirely wrong angle.

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  • jQuery .load() and sub-pages

    - by user354051
    Hi, I am not just a newbie with Javascript. I am developing a simple site to get my hands on web programming. The web site is simple and structure is like this: A simple ul/li/css based navigation menu Sub pages are loaded in "div" using jQuery, when ever user click appropriate menu item. Some of the sub-pages are using different jQuery based plugins such as LightWindow, jTip etc. The jQuery function that loads the sub-page is like this: function loadContent(htmlfile){ jQuery("#content").load(htmlfile); }; The menu items fires loadContent method like this: <li><a href="javascript:void(0)" onclick="loadContent('overview.html');return false">overview</a></li> This loads a sub-page name "overview.html" inside the "div". That's it. Now this is working fine but some of the sub-pages using jQuery based plugins are not working well when loaded inside the "div". If you load them individually in the browser they are working fine. Based on above I have few qustions: Most of the plugins are based on jQuery and sub-pages are loaded inside the "index.html" using "loadContent" function. Do I have to call <script type="text/javascript" src="js/jquery-1.4.2.min.js"></script> on each and every sub-page? If a page is using a custom jQuery plugin, then where do I call it? In "index.html" or on the page where I am using it? I think what ever script you will call in "index.html", you don't to have call them again in any of the sub pages you are using. Am I right here? Thanks Prashant

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  • FCKEditor doesn't set Value property on postback!

    - by Shaul
    I'm using FCKEditor on my asp.net web page. It appears beautifully, and the editor looks really good on the front end. Only problem is, the .Value property is not being set on the postback. No matter what changes the user makes to the value of the control on the page, when I click "Submit", the .Value property remains blank. I have Googled for other solutions, and most of them are of the variety where there's some conflict with Ajax, such as this and this. My problem is not solved by these solutions; it's much more fundamental than that. I'm not doing anything to do with Ajax; I'm just a simple asp.net newbie with a simple web form, and the value property is not being set on postback, not in IE and not in FF. It appears that at least one other person has had this problem, but no solution yet. Any ideas? Thanks! New information: I tried this out on a "hello world" test web site - and the test web site works 100%. There is obviously a problem on my page, but I have no idea where to begin tracking this down. Here's the markup of my page, in case anyone can see anything obvious that my newbie eyes can't: <%@ Page Language="vb" AutoEventWireup="false" CodeBehind="EmailTemplateEditForm.aspx.vb" Inherits="EEI_App.EmailTemplateEditForm" %> <%@ Register Assembly="FredCK.FCKeditorV2" Namespace="FredCK.FCKeditorV2" TagPrefix="FCKeditorV2" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>EEI - Email Template</title> <link rel="stylesheet" href="EEI.css"> <script language="javascript" id="jssembleWare" src="sembleWare.js"></script> <style type="text/css"> .style1 { height: 251px; } .style2 { width: 2%; height: 251px; } .style3 { height: 490px; } </style> </head> <body> <form id="form1" runat="server"> <%@ register src="header.ascx" tagname="header" tagprefix="uc1" %> <%@ register src="footer.ascx" tagname="footer" tagprefix="uc1" %> <uc1:header ID="header1" runat="server" /> <!-- main content area --> <div class="content"> <!-- title of the page --> <div class="boxheader"> Email Template </div> <div class="standardbox"> <!-- Start Page Main Contents--> <!-- error messages --> <div class="errorbox"> <asp:Label ID="lblError" CssClass="ErrorControlStyle" runat="server" EnableViewState="False" Width="100%"></asp:Label> </div> <table class="contenttable"> <tr> <td align="left" valign="top" class="style3"> <div class="actionbox"> <div class="navheadertitle"> Navigation</div> <ul> <li> <asp:LinkButton ID="btnSubmit" CssClass="LinkButtonStyle" runat="server">Submit</asp:LinkButton> </li> <li> <asp:LinkButton ID="btnCancel" CssClass="LinkButtonStyle" runat="server" CausesValidation="false">Cancel</asp:LinkButton> </li> </ul> </div> </td> <td align="left" valign="top" class="style3"> <p> </p> <table> <tr class="MCRSFieldRow"> <td class="MCRSFieldLabelCell"> <asp:Label ID="lblEmailTemplate_TemplateName" CssClass="LabelStyle" runat="server" Width="175">Template Name</asp:Label> </td> <td class="MCRSFieldEditCell"> <asp:TextBox ID="txtEmailTemplate_TemplateName" CssClass="TextBoxStyle" runat="server" Width="100%"></asp:TextBox> </td> <td class="MCRSFieldLabelCell"> <asp:Label ID="lblEmailTemplate_TemplateType" CssClass="LabelStyle" runat="server" Width="175">Template Type</asp:Label> </td> <td class="MCRSFieldEditCell"> <asp:RadioButtonList ID="rblEmailTemplate_TemplateType" CssClass="RadioButtonListStyle" runat="server" RepeatColumns="1" RepeatDirection="Horizontal" Width="135px"> <asp:ListItem Value="1">Cover Letter</asp:ListItem> <asp:ListItem Value="2">Email</asp:ListItem> </asp:RadioButtonList> </td> <td class="MCRSRowRightCell"> &nbsp; </td> </tr> <tr class="MCRSFieldRow"> <td class="MCRSFieldLabelCell"> Composition Date </td> <td class="MCRSFieldEditCell"> <asp:Label ID="lblEmailTemplate_CompositionDate" CssClass="ElementLabelStyle" runat="server" Width="175"></asp:Label> </td> <td class="MCRSFieldLabelCell"> Last Used Date </td> <td class="MCRSFieldEditCell"> <asp:Label ID="lblEmailTemplate_LastUsedDate" CssClass="ElementLabelStyle" runat="server" Width="175"></asp:Label> </td> <td class="MCRSRowRightCell"> &nbsp; </td> </tr> <tr class="MCRSFieldRow"> <td class="MCRSFieldLabelCell"> Composed By </td> <td class="MCRSFieldEditCell" colspan="3"> <asp:Label ID="lblPerson_FirstNames" CssClass="ElementLabelStyle" runat="server"></asp:Label> <asp:Label ID="lblPerson_LastName" CssClass="ElementLabelStyle" runat="server"></asp:Label> </td> <td class="MCRSRowRightCell"> &nbsp; </td> </tr> <tr class="MCRSFieldRow"> <td class="MCRSFieldLabelCell"> <asp:Label ID="lblEmailTemplate_Subject" CssClass="LabelStyle" runat="server" Width="175">Subject</asp:Label> </td> <td class="MCRSFieldEditCell" colspan="3"> <asp:TextBox ID="txtEmailTemplate_Subject" CssClass="TextBoxStyle" runat="server" Width="100%"></asp:TextBox> </td> <td class="MCRSRowRightCell"> &nbsp; </td> </tr> <tr class="MCRSFieldRow"> <td class="style1"> <asp:Label ID="lblEmailTemplate_Body" CssClass="LabelStyle" runat="server" Width="175">Body</asp:Label> </td> <td class="style1" colspan="3"> <FCKeditorV2:FCKeditor ID="FCKeditor1" runat="server" Height="500px"> </FCKeditorV2:FCKeditor> </td> <td class="style2"> &nbsp; </td> </tr> </table> </td> </tr> </table> </div> <p> <a class="InputButtonStyle" href="#_swTopOfPage">Top of Page</a> </p> </div> <uc1:footer ID="footer1" runat="server" /> <p> <asp:TextBox ID="txtEmailTemplate_Body" CssClass="TextAreaStyle" Rows="4" runat="server" Width="100%" Height="16px" Visible="False"></asp:TextBox> </p> </form> </body> </html>

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  • Fluent NHibernate auto mapping: map property from another table's column

    - by queen3
    I'm trying to use S#arp architecture... which includes Fluent NHibernate I'm newbie with (and with NHibernate too, frankly speaking). Auto mapping is used. So I have this: public class UserAction : Entity { public UserAction() { } [DomainSignature] [NotNull, NotEmpty] public virtual string Name { get; set; } [NotNull, NotEmpty] public virtual string TypeName { get; private set; } } public class UserActionMap : IAutoMappingOverride<UserAction> { public void Override(AutoMap<UserAction> mapping) { mapping.WithTable("ProgramComponents", m => m.Map(x => x.TypeName)); } } Now, table UserActions references table ProgramComponents (many to one) and I want property UserAction.TypeName to have value from db field ProgramComponents.TypeName. However, the above code fails with NHibernate.MappingException: Duplicate property mapping of TypeName found in OrderEntry3.Core.UserAction As far as I understand the problem is that TypeName is already auto-mapped... but I haven't found a way to remove the automatic mapping. Actually I think that my WithTable/Map mapping has to replace the automatic TypeName mapping, but seems like it does not. I also tried different mapping (names are different but that's all the same): mapping.WithTable("ProgramComponents", m => m.References<ProgramComponent>( x => x.Selector, "ProductSelectorID" ) and still get the same error. I can overcome this with mapping.HasOne<ProgramComponent>(x => x.Selector); but that's not what I exactly wants to do. And I still wonder why the first two methods do not work. I suspect this is because of WithTable.

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  • Limiting regex match

    - by DMIL
    Say I have this HTML fragment <td width="25%" style="text-align:right;" > <span style="font-family: Arial; font-size: 12px;"> <strong>Regular price:</strong></span> </td> <td width="25%" style="text-align:center;" > <span style="font-family: Arial; font-size: 12px;> <strong>11,100.00 USD</strong></span> </td> <td width="25%" style="text-align:right;" > <span style="font-family: Arial; font-size: 12px;"> <strong>Web price:</strong></span> </td> <td width="25%" style="text-align:center;" > <span style="font-family: Arial; font-size: 12px;> <strong>9,100.00 USD</strong></span> </td> How would I get the first amount (11,100.00) using regex? I tried /Regular price.+(\d[^\s]+)\sUSD/is but it's not working, it's returning '00'. Obviously I'm a newbie at regex and I'm hoping to get by without picking up a book. And I HAVE to use regex to parse this HTML because that particular site was designed by someone who doesn't know about classes or IDs.

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  • Play and Stop in One button

    - by Ardi
    i'm newbie, i'm tried to make play audio play and stop for 1 button only, but i'm in trouble now. if i touch a button when audio is playing, it doesn't stop, even playing audio again and make a double sound. here's my code public class ProjectisengActivity extends Activity{ ImageButton mainkan; MediaPlayer mp; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.test2); mainkan=(ImageButton)findViewById(R.id.imageButton1); mainkan.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v){ go(); } }); public void go(){ mp=MediaPlayer.create(ProjectisengActivity.this, R.raw.test); if(mp.isPlaying()){ mp.stop(); try { mp.prepare(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } mp.seekTo(0); } else { mp.start(); } i'm create for android 3.0 (HoneyComb) thanks for help

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  • How to get top and left style property values in Javascript

    - by Dude-Dastic
    Hi all, I have a little bit of Javascript that almost works correctly. Here's the code: function toggle(curlink) { curlink.style.backgroundColor = curlink.style.backgroundColor == "yellow" ? "transparent" : "yellow"; var maindiv = document.getElementById("grid"); var links = maindiv.getElementsByTagName("a"); var list = ""; for (var i = 0; i < links.length; ++i) { var link = links[i]; if (link.style.backgroundColor == "yellow") { list += ("," + parseInt(link.style.left, 10) + "-" + parseInt(link.style.top, 10)); } } document.theForm.theList.value = list.substring(1); return false; }; window.onload = function() { var links = document.getElementById("grid").getElementsByTagName("a"); for (var i = 0; i < links.length; ++i) { links[i].onclick = function() { return toggle(this); } } }; The issue is with line #9; it only works when I specify values for the top and left style property of every link in the array. How do I get the top and left style property values (or X and Y coordinates) of each link in the array with Javascript when those values aren't given? Also, what would the code above look like in jquery? Not that it's needed - I just want to reduce the code a little and dabble in the jquery framework (I'm a Javascript newbie). Thanks in advance, Dude-Dastic

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  • web browser become slow or no response after several ajax calls

    - by Patrick
    I'm totally newbie to jquery and ajax, my recently project is to help the representatives (reps) to manage customer quotations online. I have a page which displays all the quotations in a big table. I've managed to use ajax to fetch and display the quotations which associate to a particular rep after i click that rep's name. But the only problem is the speed of response. The first few clicks are ok and very smooth. But after several tries, the response become slow and I cant even scroll down the webpage, and later on the web browser craches.... Please have a look at my ajax code. here it is: <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER--> <script type="text/javascript"> //<![CDATA[ $(function(){ $("a.repID").click(function(){ $('div#loader').append("<p align='center'><img src='images/loadingbar2.gif' id='loading' /></p>"); var repID = $(this).attr("title"); $.ajax({ type:'POST', url:'quote_info.php', data:'repID=' + repID, cache: false, success:function(data) { $("#container").html('<div id="content">' + data + '</div>'); $("#loading").fadeOut(500, function() {$(this).remove();}); $("#sortme").tablesorter(); $('.tbl').fixedtableheader(); } }); return false; }); }); </script> <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER-->

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  • How do i transfer this unmanaged code from asp to asp.net 2/mvc?

    - by melaos
    hi guys, i'm a newbie to ASP.net interop features, so what i have right here is some unmanaged dll that i need to call from my asp.net mvc app. the dll name is CTSerialNumChecksum.dll set CheckSumObj = Server.CreateObject("CTSerialNumChecksum.CRC32API") validSno = CheckSumObj.ValidateSerialNumber(no) i know it's unmanaged because when i try to add reference to the dll it doesn't work. i try to follow some tutorials on interop and marshalling but thus far i wasn't able to get the code to work. i'm trying to wrap the object into another static class and just let the rest of the app to call the code. using System; using System.Runtime.InteropServices; namespace OnlineRegisteration.Models { public static class SerialNumberChecksum { [DllImport("CTSerialNumChecksum")] public static extern int ValidateSerialNumber(string serialNo); } } Questions: How do i write the class? And what tool can i use to identify what type of dll a particular file is, i.e. unmanaged c++, etc? Also i intend to make use jquery to do ajax call later so i can use this to validate my form pre-submission. Is there a better way to handle this?

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  • Mercurial Hg Clone fails on C# project with GUID

    - by AnneTheAgile
    UPDATE: In trying to replicate this problem one more time to answer your questions I could not! I can only conclude that my initial setup of Mercurial was problematic and/or possibly I was trying to checkin a build that failed compilation before the checkin. Sigh! Thank you so very much for your help. I gave credit for the help on how to do a script. I need to try that for general purposes. hi all, I hope you can help me :). I am trying to see if Mercurial would be a good DCVS for my project at work, and I'm surely a newbie to many things. We have a fairly large codebase in C# (Dotnet3.0 not 3.5 , WindowsXP) and it utilizes the GUID feature. I confess to know little about how or why we use the GUID, but I do know that I cannot touch it. So, when I try hg clone, it fails unless I change the GUID in the cloned directory (ie create new GUID in Visual Studio and then paste that new GUID to replace the old one). To me, this completely defeats the purpose and utility of quick easy clones. It also makes difficult all the many workflows that require multiple clones. Is there a workaround, or is there something I'm doing wrong? How can I simplify and/or remove this problem? Would Bazaar make this easier? Thank you!

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  • Writing re-entrant lexer with Flex

    - by Viet
    I'm newbie to flex. I'm trying to write a simple re-entrant lexer/scanner with flex. The lexer definition goes below. I get stuck with compilation errors as shown below (yyg issue): reentrant.l: /* Definitions */ digit [0-9] letter [a-zA-Z] alphanum [a-zA-Z0-9] identifier [a-zA-Z_][a-zA-Z0-9_]+ integer [0-9]+ natural [0-9]*[1-9][0-9]* decimal ([0-9]+\.|\.[0-9]+|[0-9]+\.[0-9]+) %{ #include <stdio.h> #define ECHO fwrite(yytext, yyleng, 1, yyout) int totalNums = 0; %} %option reentrant %option prefix="simpleit_" %% ^(.*)\r?\n printf("%d\t%s", yylineno++, yytext); %% /* Routines */ int yywrap(yyscan_t yyscanner) { return 1; } int main(int argc, char* argv[]) { yyscan_t yyscanner; if(argc < 2) { printf("Usage: %s fileName\n", argv[0]); return -1; } yyin = fopen(argv[1], "rb"); yylex(yyscanner); return 0; } Compilation errors: vietlq@mylappie:~/Desktop/parsers/reentrant$ gcc lex.simpleit_.c reentrant.l: In function ‘main’: reentrant.l:44: error: ‘yyg’ undeclared (first use in this function) reentrant.l:44: error: (Each undeclared identifier is reported only once reentrant.l:44: error: for each function it appears in.)

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  • How does one target all divs of any webpage but differentiate them in javascript?

    - by Chaz
    So I am trying to create an extension in Chrome (a prototype for a project that I am doing) that targets all of the <div> tags of any web page, hides them or rather doesn't display them until the user clicks the mouse (further explained below). So typing a url into the browser yields a white page. The person clicks, and the first <div> appears (probably the mast head or menu). The user clicks again and the second <div> appears. I have gotten to the point where I can hide or show all <div>'s (the obvious easy part) but I am not sure how to go about targeting each since every website has different id's for them while still using the <div> tag. This is what I need the most help with. This is part of a grander operation called the Web Crank. It's just a physical crank that controls the speed by which a web page loads. Each time you make one full rotation of the crank, one section (the first <div>) of the web page loads. The faster you go, the quicker the page loads. I hope this is clear enough. I am a newbie when it comes to this, but I have done some minor coding in the past and it's not such a big deal. Thanks for your help!

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  • trackPageView on Google Analytics for iPhone Not Working

    - by DigitalZombieKid
    I'm trying to get Google Analytics working on an iPhone application without much luck. I've followed all the instructions on their website (google/apis/analytics/docs/tracking/mobileAppsTracking.html) and studied their sample application (google/gaformobileapps/GoogleAnalyticsIphone_0.7.tar.gz). When I run my application and go to Google Analytics' website (https://www.google.com/analytics/reporting/), the only page that is recording is /app_entry_point. I'm seeing one count in my Google Analytics detailed report once every time my app fires up. However, I have added other pages to be tracked but it's not working. Here is a sample of two pages I've added to be tracked: trackPageview:@"/calculator"; trackPageview:@"/tellafriend"; I call them from various ViewControllers in the app. In each of those view controllers I import the the GANTracker header: #import "GANTracker.h" I'll admit it: I'm an objective-c newbie. Any help you can offer is greatly appreciated! Do I need to physically dispatch them to get the trackPageview working? If so, why is the /app_entry_point page the only page that is recorded by Google Analytics?

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  • Socket Read In Multi-Threaded Application Returns Zero Bytes or EINTR (104)

    - by user309670
    Hi. Am a c-coder for a while now - neither a newbie nor an expert. Now, I have a certain daemoned application in C on a PPC Linux. I use PHP's socket_connect as a client to connect to this service locally. The server uses epoll for multiplexing connections via a Unix socket. A user submitted string is parsed for certain characters/words using strstr() and if found, spawns 4 joinable threads to different websites simultaneously. I use socket, connect, write and read, to interact with the said webservers via TCP on their port 80 in each thread. All connections and writes seems successful. Reads to the webserver sockets fail however, with either (A) all 3 threads seem to hang, and only one thread returns -1 and errno is set to 104. The responding thread takes like 10 minutes - an eternity long:-(. *I read somewhere that the 104 (is EINTR?), which in the network context suggests that ...'the connection was reset by peer'; or (B) 0 bytes from 3 threads, and only 1 of the 4 threads actually returns some data. Isn't the socket read/write thread-safe? I use thread-safe (and reentrant) libc functions such as strtok_r, gethostbyname_r, etc. *I doubt that the said webhosts are actually resetting the connection, because when I run a single-threaded standalone (everything else equal) all things works perfectly right, but of course in series not parallel. There's a second problem too (oops), I can't write back to the client who connect to my epoll-ed Unix socket. My daemon application will hang and hog CPU 100% for ever. Yet nothing is written to the clients end. Am sure the client (a very typical PHP socket application) hasn't closed the connection whenever this is happening - no error(s) detected either. Any ideas? I cannot figure-out whatever is wrong even with Valgrind, GDB or much logging. Kindly help where you can.

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  • Passing variables across a multi page form in php

    - by Chris
    Forgive me as I am a newbie. I have a multi page form in which I am using $_SESSIONS to record the variables. <?php session_start(); foreach ( $_POST as $key=>$value ) { if ( $key!="submit" ) { $value= htmlentities(stripslashes(strip_tags($value))); $_SESSION[$key] = $value; } }` I have two problems actually. When I get to a checkform.php that I made that prints out the variables, The variables from page 1 doesn't show up even though that code listed above is on each page. I am using Firefox web developers tool to disable cookies and in the php ini, I altered session.use_trans_sid to 1 to turn it on. For the final page on my checkform.php I print_r($_POST) for the final page which works fine. Why doesn't variables from page 1 not show up? What am I missing? The 2nd problem is that when I print_r($_SESSION), some fields, specifically the checkbox arrays, print as [payment] => Array [agerange] => Array [meals] => Array [mealtypes] => Array What am I missing?

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  • Throttling outbound API calls generated by a Rails app

    - by Sharpie
    I am not a professional web developer, but I like to wrench on websites as a hobby. Recently, I have been playing with developing a Rails app as a project to help me learn the framework. The goal of my toy app is to harvest data from another service through their API and make it available for me to query using a search function. However, the service I want to pull data from imposes a rate limit on the number of API calls that may be executed per minute. I plan on having my app run a daily update which may generate a burst of API calls that far exceeds the limit provided by the external service. I wish to respect the performance of the external site and so would like to throttle the rate at which my app executes the calls. I have done a little bit of searching and the overwhelming amount of tutorial material and pre-built libraries I have found cover throttling inbound API calls to a web app and I can find little discussion of controlling the flow of outbound calls. Being both an amateur web developer and a rails newbie, it is entirely possible that I have been executing the wrong searches in the wrong places. Therefore my questions are: Is there a nice website out there aggregating Rails tutorials that has material related to throttling outbound API requests? Are there any ruby gems or other libraries that would help me throttle the requests? I have some ideas of how I might go about writing a throttling system using a queue-based worker like DelayedJob or Resque to manage the API calls, but I would rather spend my weekends building the rest of the site if there is a good pre-built solution out there already.

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  • Using LINQ to SQL and chained Replace

    - by White Dragon
    I have a need to replace multiple strings with others in a query from p in dx.Table where p.Field.Replace("A", "a").Replace("B", "b").ToLower() = SomeVar select p Which provides a nice single SQL statement with the relevant REPLACE() sql commands. All good :) I need to do this in a few queries around the application... So i'm looking for some help in this regard; that will work as above as a single SQL hit/command on the server It seems from looking around i can't use RegEx as there is no SQL eq Being a LINQ newbie is there a nice way for me to do this? eg is it possible to get it as a IQueryable "var result" say and pass that to a function to add needed .Replace()'s and pass back? Can i get a quick example of how if so? EDIT: This seems to work! does it look like it would be a problem? var data = from p in dx.Videos select p; data = AddReplacements(data, checkMediaItem); theitem = data.FirstOrDefault(); ... public IQueryable<Video> AddReplacements(IQueryable<Video> DataSet, string checkMediaItem) { return DataSet.Where(p => p.Title.Replace(" ", "-").Replace("&", "-").Replace("?", "-") == checkMediaItem); }

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