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  • Getting my head around object oriented programing

    - by nLL
    I am entry level .Net developer and using it to develop web sites. I started with classic asp and last year jumped on the ship with a short C# book. As I developed I learned more and started to see that coming from classic asp I always used C# like scripting language. For example in my last project I needed to encode video on the webserver and wrote a code like public class Encoder { Public static bool Encode(string videopath) { ...snip... return true; } } While searching samples related to my project I’ve seen people doing this public class Encoder { Public static Encode(string videopath) { EncodedVideo encoded = new EncodedVideo(); ...snip... encoded.EncodedVideoPath = outputFile; encoded.Success = true; ...snip... } } public class EncodedVideo { public string EncodedVideoPath { get; set; } public bool Success { get; set; } } As I understand second example is more object oriented but I don’t see the point of using EncodedVideo object. Am I doing something wrong? Does it really necessary to use this sort of code in a web app?

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  • Binding a ListBox's SelectedItem in the presence of BindingNavigator

    - by Reinderien
    Hello. I'm trying to bind a ListBox's SelectedItem data to a property. The following code is an example: using System; using System.Collections.Generic; using System.Windows.Forms; namespace BindingFailure { static class Program { class OuterObject { public string selected { get; set; } public List<string> strings { get; set; } } public static void Main() { List<OuterObject> objs = new List<OuterObject>() { new OuterObject(), new OuterObject() }; objs[0].strings = new List<string> { "one", "two", "three" }; objs[1].strings = new List<string> { "four", "five", "six" }; Form form = new Form(); BindingSource obs = new BindingSource(objs, null), ibs = new BindingSource(obs, "strings"); BindingNavigator nav = new BindingNavigator(obs); ListBox lbox = new ListBox(); lbox.DataSource = ibs; lbox.DataBindings.Add(new Binding("SelectedItem", obs, "selected")); form.Controls.Add(nav); form.Controls.Add(lbox); lbox.Location = new System.Drawing.Point(30, 30); Application.Run(form); } } } If you just select an item, move forward, select an item and then exit, it works as expected. But if you switch back and forth between the two outer objects with the navigator, the selected item seems to be overwritten with an incorrect value. Ideas on how to fix this? Thanks in advance.

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  • Changing a url depending on what link chosen (HTML) no asp.

    - by Ozaki
    TLDR I need to change a javascript variable on the same page after clicking a link (can be from a different page) so that the getjson request pulls different data without having to duplicate on html pages. I am using some getJSON requests with Jquery, to make calls to populate my pages. I want to be able to (in plain HTML / javascript) when the user clicks say "link 1" or "link 2" to open the same page (say page.html) but change the get request url to "link 1" or "link 2". Page.html var url = ??; $.getJSON(url, function(data){} link 1 var url = host/link1 <a href="page.html">link1</a> link2 var url = host/link2 <a href="page.html">link2</a> So I call the same page but am able to populate it with different content. Purposely staying away from asp. Was thinking maybe of inserting the content into a div after page load so the url can be set or something along those lines. Any ideas how I might go about this?

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  • Opa app does not load in Internet Explorer when compiled with Opa 1.1.1

    - by Marcin Skórzewski
    I did a minor update to the already working application and then had problems using new version of Opa compiler. First problem - runtime exception Since the original deployment Opa 1.1.1 has been released and it resulted in error: events.js:72 throw er; // Unhandled 'error' event ^ Error: listen EADDRINUSE at errnoException (net.js:901:11) at Server._listen2 (net.js:1039:14) at listen (net.js:1061:10) at Server.listen (net.js:1127:5) at global.BslNet_Http_server_init_server (/opt/mlstate/lib/opa/stdlib/server.opp/serverNodeJsPackage.js:223:1405) at global.BslNet_Http_server_init_server_cps (/opt/mlstate/lib/opa/stdlib/server.opp/serverNodeJsPackage.js:226:15) at __v1_bslnet_http_server_init_server_cps_b970f080 (/opt/mlstate/lib/opa/stdlib/stdlib.qmljs/stdlib.core.web.server.opx/main.js:1:175) at /opt/mlstate/lib/opa/stdlib/stdlib.qmljs/stdlib.core.web.server.opx/main.js:440:106 at global.execute_ (/opt/mlstate/lib/opa/static/opa-js-runtime-cps/main.js:19:49) at /opt/mlstate/lib/opa/static/opa-js-runtime-cps/main.js:17:78 I decided to build Opa from sources and it helped, but another problem occurred :( Second problem - stops to support the IE Application stopped to work in Internet Explorer. I tried two different machines (Windows XP and 7) with IE 8 and 10. Web page does not load at all (looks like the network problem, but the same URL works fine in Firefox). I confirmed the same problem with "Hello world" from the Opa tutorial compiled with both Opa stable 1.1.1 and build from sources. I suspected that the problem is due to Node.js update (Opa = 1.1.1 requires Node 0.10.* - now I am using 0.10.12, but I also tried other 0.10-s), but "Hello world" from the Node's from page works fine. I am running the app on OSX developer box and Linux Debian 7.0 server. Any suggestions what am I doing wrong? PS. I was off the business for a while. Anyone knows what happened to the Opa forum? Signing is seams not to work.

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  • Need help to make link active with change background-position onClick

    - by Erik
    I can't figure out how to make my image links change background-position onClick on ACTIVE. Nothing works: .active { background-position-y: -96px 0px; } <script type="text/javascript"> $(document).ready(function() { //Default Action $(".tab_content").hide(); //Hide all content $("ul.tabs li:first").addClass("active").show(); //Activate first tab $(".tab_content:first").show(); //Show first tab content //On Click Event $("ul.tabs li").click(function() { $("ul.tabs li").removeClass("active"); $(this).addClass("active"); $(".tab_content").hide(); var activeTab = $(this).find("a").attr("href"); $(activeTab).fadeIn(); return false; }); }); </script> <ul class="tabs"> <li><a class="a1" href="#tab1"></a></li> <li><a class="a22" href="#tab22"></a></li> <li><a class="a23" href="#tab23"></a></li> <li><a class="a24" href="#tab24"></a></li> <li><a class="a25" href="#tab25"></a></li> <li><a class="a26" href="#tab26"></a></li> </ul>

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  • Botan linking error on Windows MSVC

    - by Jake Petroules
    I am trying to compile a library linking to the version of Botan from the Qt Creator sources with MSVC 2008 but am receiving the following error. MinGW compiles and links it fine. What is the issue? databasecrypto.obj:-1: error: LNK2019: unresolved external symbol "public: static unsigned int const Botan::Pipe::DEFAULT_MESSAGE" (?DEFAULT_MESSAGE@Pipe@Botan@@2IB) referenced in function "private: static class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl DatabaseCrypto::b64_encode(class Botan::SecureVector<unsigned char> const &)" (?b64_encode@DatabaseCrypto@@CA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$SecureVector@E@Botan@@@Z) /*! Encodes the Botan byte array \a in as a base 64 string. \param in The Botan byte array to encode. */ std::string DatabaseCrypto::b64_encode(const SecureVector<Botan::byte> &in) { Pipe pipe(new Base64_Encoder); pipe.process_msg(in); return pipe.read_all_as_string(); // <-- default parameter here is Botan::Pipe::DEFAULT_MESSAGE }

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  • Blackberry app stuck trying to access a server.

    - by Tejaswi Yerukalapudi
    Hi, I've built a ASP.NET webservice and I'm trying to access it from a Blackberry. I've been testing it out with multiple devices and the simulator and it works fine, but there's just the one Blackberry 9000 (It's not the model, I've tried it out with another Blackberry 9000), and it's stuck waiting for a response from the server. Relevant section of the code that accesses this - System.out.println("IN ntwk access thread, start point"); HttpConnection connection = (HttpConnection)Connector.open(serviceURL + WSNAME); connection.setRequestMethod(HttpConnection.POST); connection.setRequestProperty("Content-type", "application/x-www-form-urlencoded"); connection.setRequestProperty("Content-length", Integer.toString(postData1.length)); OutputStream requestOutput = connection.openOutputStream(); requestOutput.write(postData1); requestOutput.close(); final int responseCode = connection.getResponseCode(); if(responseCode!= HttpConnection.HTTP_OK) { //Process the error condition } // Request succeeded process the data. It seems to be getting stuck after connection.getResponseCode(). Is there some way I can verify what's going wrong with this particular device? Thanks, Teja

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  • When I include only the jQuery 1.4 Library, I get an exception, why?

    - by codeninja
    I keep getting this error all over the place where I only have jquery 1.3 or 1.4 included. "setting a property that has only a getter" and a long list of warnings in the Firefox Error Console. What's going on? I can't find any information on this issue =/ <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US"> <head> <title>Demo</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="shortcut icon" href="images/favicon.ico"> <link rel="stylesheet" href="css/common.css" type="text/css" /> <link rel="stylesheet" href="css/modules.css" type="text/css" /> <script type="text/javascript" src="js/jquery-1.4.2.min.js"></script> </head> Just some Warning snippets: Warning: reference to undefined property a[++e] Source File: /js/jquery-1.4.2.min.js Line: 30 Warning: reference to undefined property a[0] Source File: /js/jquery-1.4.2.min.js Line: 30 Warning: function oa does not always return a value Source File: /js/jquery-1.4.2.min.js Line: 18, Column: 165 Source Code: th;n<r;n++){j=d[n];a.currentTarget=j.elem;a.data=j.handleObj.data;a.handleObj=j.handleObj;if(j.handleObj.origHandler.apply(j.elem,e)===false){b=false;break}}return b}}function pa(a,b){return"live."+(a&&a!=="*"?a+".":"")+b.replace(/\./g,"`").replace(/ /g,

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  • How can I use JSONP to download client-side javascript objects?

    - by Alex Mcp
    I'm trying to get client-side javascript objects saved as a file locally. I'm not sure if this is possible. The basic architecture is this: Ping an external API to get back a JSON object Work client-side with that object, and eventually have a "download me" link This link sends the data to my server, which processes it and sends it back with a mime type application/json, which (should) prompt the user to download the file locally. Right now here are my pieces: Server Side Code <?php $data = array('zero', 'one', 'two', 'testing the encoding'); $json = json_encode($data); //$json = json_encode($_GET['']); //eventually I'll encode their data, but I'm testing header("Content-type: application/json"); header('Content-Disposition: attachment; filename="backup.json"'); echo $_GET['callback'] . ' (' . $json . ');'; ?> Relevant Client Side Code $("#download").click(function(){ var json = JSON.stringify(collection); //serializes their object $.ajax({ type: "GET", url: "http://www.myURL.com/api.php?callback=?", //this is the above script dataType: "jsonp", contentType: 'jsonp', data: json, success: function(data){ console.log( "Data Received: " + data[3] ); } }); return false; }); Right now when I visit the api.php site with Firefox, it prompts a download of download.json and that results in this text file, as expected: (["zero","one","two","testing the encoding"]); And when I click #download to run the AJAX call, it logs in Firebug Data Received: testing the encoding which is almost what I'd expect. I'm receiving the JSON string and serializing it, which is great. I'm missing two things: The Actual Questions What do I need to do to get the same prompt-to-download behavior that I get when I visit the page in a browser (much simpler) How do I access, server-side, the json object being sent to the server to serialize it? I don't know what index it is in the GET array (silly, I know, but I've tried almost everything)

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  • How to upload video to favorite/playlist using gdata in objective c

    - by Swati
    hi, i am trying to upload a video to favorite in my account but it shows Invalid request Uri and status code =400 i dont understand how should i format my request my code NSURL *url = [NSURL URLWithString: http://gdata.youtube.com/feeds/api/users/username/favorite]; ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url]; [request setPostValue:@"gdata.youtube.com" forKey:@"Host"]; [request setPostValue:@"application/atom+xml" forKey:@"Content-Type"]; [request setPostValue:@"CONTENT_LENGTH" forKey:@"Content-Length"]; [request setPostValue:@"" forKey:@"AuthSubToken"]; [request setPostValue:@"2" forKey:@"GData-Version"]; [request setPostValue:developer_key forKey:@"X-GData-Key"]; [request setPostValue:xml_data forKey:@"API_XML_Request"]; [request setDelegate:self]; [request setDidFailSelector:@selector(requestFailed:)]; [request setDidFinishSelector:@selector(gotTheResponse:)]; [[networkQueue go]; i have auth token and developer key, VIDEO_ID.but m not sure how to pass xml data in post request: <?xml version="1.0" encoding="UTF-8"?> <entry xmlns="http://www.w3.org/2005/Atom"> <id>VIDEO_ID</id> </entry> NSString *xml_data = contains xml data in string form

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  • git: correct way to merge/rebase with respect to svn dcommit

    - by Albert
    I have the following situation (mostly because I didn't really thought it through in the beginning -- or more exactly, I thought it shouldn't be a problem the way I did this but now I am stumbled): ... --- A --- B1 --- ... --- Bn ... --- git-svn Whereby A and git-svn are at the same state (exactly the same files and file content) but they don't have any common point in history. And I want: ... --- git-svn --- B1 --- ... --- Bn Or at least, when I do the svn dcommit, I want exactly to get the commits B1 to Bn and nothing else. I am not exactly sure how dcommit works. So if I would get something like this: ... ------------ A --- B1 --- ... --- Bn \ \ ... --- git-svn -- A' ----------------- B' would the dcommit behave in the way I want? Because if so, that would be easy to get (merging A into git-svn does work just fine because they are content-wise the same). Or should I do some sort of rebase? But I don't want to rebase A on git-svn, just B1 to Bn.

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  • Using generics in F# to create an EnumArray type

    - by Matthew
    I've created an F# class to represent an array that allocates one element for each value of a specific enum. I'm using an explicit constructor that creates a dictionary from enum values to array indices, and an Item property so that you can write expressions like: let my_array = new EnumArray<EnumType, int> my_array.[EnumType.enum_value] <- 5 However, I'm getting the following obscure compilation error at the line marked with '// FS0670' below. error FS0670: This code is not sufficiently generic. The type variable ^e when ^e : enum<int> and ^e : equality and ^e : (static member op_Explicit : ^e -> int) could not be generalized because it would escape its scope. I'm at a loss - can anyone explain this error? type EnumArray< 'e, 'v when 'e : enum<int> and 'e : equality and ^e : (static member op_Explicit : ^e -> int) > = val enum_to_int : Dictionary<'e, int> val a : 'v array new() as this = { enum_to_int = new Dictionary<'e, int>() a = Array.zeroCreate (Enum.GetValues(typeof<'e>).Length) } then for (e : obj) in Enum.GetValues(typeof<'e>) do this.enum_to_int.Add(e :?> 'e, int(e :?> 'e)) member this.Item with get (idx : 'e) : 'v = this.a.[this.enum_to_int.[idx]] // FS0670 and set (idx : 'e) (c : 'v) = this.a.[this.enum_to_int.[idx]] <- c

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  • Appending string in NSXMLNode

    - by iSight
    Hi, When I call the method setStringValue:mCurrentString when is encountered, the child elements which are already attached to element are detached. Can any one suggest why it is happening so. The sample XML file goes like this: <?xml version="1.0" encoding="UTF-8"?> <Test xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Version="1.0"> <Page Id="123-234-345-456-567"> <Word/> <Text Id="234-345-456-567-678" Left="120.789" Top="120.234657" Width="300.2390" Height="50.00"> <Content> <![CDATA[<FlowDocument FontFamily="Helvetica" FontSize="24" Foreground="#FFFFFF00" TextAlignment="Left" PagePadding="5,0,5,0" AllowDrop="True" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"><Paragraph><Run FontFamily="Helvetica" FontSize="24" Foreground="FF00B38D" xml:lang="en-gb">This is for Testing purpose</Run></Paragraph>]]></Content> <Stroke Color="#FF00B300" Width="10"/> </Text> <Image Id="345-456-567-678-789" Left="200.345" Top="350.678" Width="200.00" Height="200.00"> <Source>Bear.png</Source> </Image> </Page> <Page Id="345-897-123-756-098" Left="100.90" Top="200.098" Width="200.098" Height="50.09"> <Image Id="756-098-978-685-298" Left="12098" Top="340.87" Right="109.78" Height="100.987"> <Source>Flower.png</Source> </Image> </Page> </Test> This is the method i am using for an NSXMLElement object: [mCurrentElement setStringValue:mCurrentString];// mCurrentString is the string that obtained through delegate method.

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  • How do you store accented characters coming from a web service into a database?

    - by Thierry Lam
    I have the following word that I fetch via a web service: André From Python, the value looks like: "Andr\u00c3\u00a9". The input is then decoded using json.loads: >>> import json >>> json.loads('{"name":"Andr\\u00c3\\u00a9"}') >>> {u'name': u'Andr\xc3\xa9'} When I store the above in a utf8 MySQL database, the data is stored like the following using Django: SomeObject.objects.create(name=u'Andr\xc3\xa9') Querying the name column from a mysql shell or displaying it in a web page gives: André The web page displays in utf8: <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> My database is configured in utf8: mysql> SHOW VARIABLES LIKE 'collation%'; +----------------------+-----------------+ | Variable_name | Value | +----------------------+-----------------+ | collation_connection | utf8_general_ci | | collation_database | utf8_unicode_ci | | collation_server | utf8_unicode_ci | +----------------------+-----------------+ 3 rows in set (0.00 sec) mysql> SHOW VARIABLES LIKE 'character_set%'; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec) How can I retrieve the word André from a web service, store it properly in a database with no data loss and display it on a web page in its original form?

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  • POST XML to server, receive PDF

    - by Shaggy Frog
    Similar to this question, we are developing a Web app where the client clicks a button to receive a PDF from the server. Right now we're using the .ajax() method with jQuery to POST the data the backend needs to generate the PDF (we're sending XML) when the button is pressed, and then the backend is generating the PDF entirely in-memory and sending it back as application/pdf in the HTTP response. One answer to that question requires the server-side save the PDF to disk so it can give back a URL for the client to GET. But I don't want the backend caching content at all. The other answer suggests the use of a jQuery plugin, but when you look at its code, it's actually generating a form element and then submitting the form. That method will not work for us since we are sending XML data in the body of the HTTP request. Is there a way to have the browser open up the PDF without caching the PDF server-side, and without requiring us to throw out our send-data-to-the-server-using-XML solution? (I'd like the browser to behave like it does when a form element is submitted -- a POST is made and then the browser looks at the Content-type header to determine what to do next, like load the PDF in the browser window, a la Safari)

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  • Auto filling polymorphic table on save or on delete in django

    - by Mo J. Mughrabi
    Hi, Am working on an project in which I made an app "core" it will contain some of the reused models across my projects, most of those are polymorphic models (Generic content types) and will be linked to different models. Example below am trying to create audit model and will be linked to several models which may require auditing. This is the polls/models.py from django.db import models from django.contrib.auth.models import User from core.models import * from django.contrib.contenttypes import generic class Poll(models.Model): ## TODO: Document question = models.CharField(max_length=300) question_slug=models.SlugField(editable=False) start_poll_at = models.DateTimeField(null=True) end_poll_at = models.DateTimeField(null=True) is_active = models.BooleanField(default=True) audit_obj=generic.GenericRelation(Audit) def __unicode__(self): return self.question class Choice(models.Model): ## TODO: Document choice = models.CharField(max_length=200) poll=models.ForeignKey(Poll) audit_obj=generic.GenericRelation(Audit) class Vote(models.Model): ## TODO: Document choice=models.ForeignKey(Choice) Ip_Address=models.IPAddressField(editable=False) vote_at=models.DateTimeField("Vote at", editable=False) here is the core/modes.py from django.db import models from django.contrib.auth.models import User from django.contrib.contenttypes.models import ContentType from django.contrib.contenttypes import generic class Audit(models.Model): ## TODO: Document # Polymorphic model using generic relation through DJANGO content type created_at = models.DateTimeField("Created at", auto_now_add=True) created_by = models.ForeignKey(User, db_column="created_by", related_name="%(app_label)s_%(class)s_y+") updated_at = models.DateTimeField("Updated at", auto_now=True) updated_by = models.ForeignKey(User, db_column="updated_by", null=True, blank=True, related_name="%(app_label)s_%(class)s_y+") content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField(unique=True) content_object = generic.GenericForeignKey('content_type', 'object_id') and here is polls/admin.py from django.core.context_processors import request from polls.models import Poll, Choice from core.models import * from django.contrib import admin class ChoiceInline(admin.StackedInline): model = Choice extra = 3 class PollAdmin(admin.ModelAdmin): inlines = [ChoiceInline] admin.site.register(Poll, PollAdmin) Am quite new to django, what am trying to do here, insert a record in audit when a record is inserted in polls and then update that same record when a record is updated in polls.

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  • P0ST variables to web server?

    - by OverTheRainbow
    Hello I've been trying several things from Google to POST data to a web server, but none of them work: I'm still stuck at how to convert the variables into the request, considering that the second variable is an SQL query so it has spaces. Does someone know the correct way to use a WebClient to POST data? I'd rather use WebClient because it requires less code than HttpWebRequest/HttpWebResponse. Here's what I tried so far: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim wc = New WebClient() 'convert data wc.Headers.Add("Content-Type", "application/x-www-form-urlencoded") Dim postData = String.Format("db={0}&query={1}", _ HttpUtility.UrlEncode("books.sqlite"), _ HttpUtility.UrlEncode("SELECT id,title FROM boooks")) 'Dim bytArguments As Byte() = Encoding.ASCII.GetBytes("db=books.sqlite|query=SELECT * FROM books") 'POST query Dim bytRetData As Byte() = wc.UploadData("http://localhost:9999/get", "POST", postData) RichTextBox1.Text = Encoding.ASCII.GetString(bytRetData) Exit Sub Dim client = New WebClient() Dim nv As New Collection nv.Add("db", "books.sqlite") nv.Add("query", "SELECT id,title FROM books") Dim address As New Uri("http://localhost:9999/get") 'Dim bytRetData As Byte() = client.UploadValues(address, "POST", nv) RichTextBox1.Text = Encoding.ASCII.GetString(bytRetData) Exit Sub 'Dim wc As New WebClient() 'convert data wc.Headers.Add("Content-Type", "application/x-www-form-urlencoded") Dim bytArguments As Byte() = Encoding.ASCII.GetBytes("db=books.sqlite|query=SELECT * FROM books") 'POST query 'Dim bytRetData As Byte() = wc.UploadData("http://localhost:9999/get", "POST", bytArguments) RichTextBox1.Text = Encoding.ASCII.GetString(bytRetData) Exit Sub End Sub Thank you.

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  • simple image upload in aspnet mvc

    - by FosterZ
    hi,i'm building a simple school portal, i have stucked at uploading an image into my application, i.e a user should upload school image to my server, i have directory for images as ./Content/Images -- all uploading images should be uploaded to this directory. i have following code input type="file" id="SchoolImageUrl" name="SchoolImageUrl" class="required" using this m'getting a browse button, i have no idea how to upload that image to server and how would be my action controller ? i have following controller for creating school public ActionResult SchoolCreate(_ASI_School schoolToCreate, FormCollection collection) { if (!ModelState.IsValid) return View(); try { // TODO: Add insert logic here schoolToCreate.SchoolId = Guid.NewGuid().ToString(); schoolToCreate.UserId = new Guid(Request.Form["currentUser"]); schoolToCreate.SchoolAddedBy = User.Identity.Name; HttpPostedFileBase file = Request.Files["SchoolImageUrl"]; file.SaveAs(file.FileName); //schoolToCreate.SchoolImageUrl = Reuseable.ImageUpload(Request.Files["SchoolImageUrl"], Server.MapPath("../Content")); //schoolToCreate.SchoolImageUrl = Path.GetFullPath(Request.Files[0].FileName); schoolToCreate.SchoolImageUrl = collection["SchoolImageUrl"]; UpdateModel(schoolToCreate); _schoolRepository.CreateSchool(schoolToCreate); //_schoolRepository.SaveToDb(); return RedirectToAction("DepartmentCreate", "Department", new { userId = schoolToCreate.UserId, schoolId = schoolToCreate.SchoolId }); } catch { return View("CreationFailed"); } } here im geting object referece error

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  • java applet won't work

    - by scoobi_doobi
    hey guys, this is homework stuff, but the question is not much about coding. the task is to write a java applet to work on an m-grid server. i have the server running on apache. it has a few sample applets in .jar and .class form. the .class versions work; the .jar versions work on appletviewer, but they break if I submit them as a job to the server with this: load: class examples/pixelcount/PixelCount.class not found. java.lang.ClassNotFoundException: examples.pixelcount.PixelCount.class at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source) at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.<init>(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at java.net.HttpURLConnection.getResponseCode(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source) at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) ... 7 more Exception: java.lang.ClassNotFoundException: examples.pixelcount.PixelCount.class I'm not really sure where exactly is the problem in here, given that they work on appletviewer. any help would be appreciated.. EDIT: don't know if I wrote it clearly. by ".class version" i refer to html file with this content: <applet height="300" width="450" code="examples/pixelcount/PixelCount.class"></applet> and ".jar" with this content: <applet height="300" width="450" archive="PixelCount.jar" code="examples.pixelcount.PixelCount.class"></applet>

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  • Why does my App.Config codebase not help .NET locate my assembly?

    - by pkolodziej
    I have the following client application and its corresponding config file: namespace Chapter9 { class Program { static void Main(string[] args) { AppDomain.CurrentDomain.ExecuteAssembly("AssemblyPrivate.exe"); } } } <configuration> <runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <codeBase href="file://C:\Users\djpiter\Documents\Visual Studio 2008\Projects\70536\AssemblyPrivate\bin\Debug\AssemblyPrivate.exe"/> </dependentAssembly> </assemblyBinding> </runtime> </configuration> The AssemblyPrivate.exe does not have a public key, nor is it located in the GAC. As far as I know, the runtime should parse the app.config file before looking for an assembly in the client app directory. The unhandled exception (wrapped for readability) is: Unhandled Exception: System.IO.FileNotFoundException: Could not load file or assembly 'file:///C:\Users\djpiter\Documents\Visual Studio 2008\Projects\70536\Chapter9\bin\Debug\AssemblyPrivate.exe' or one of its dependencies. The system cannot find the file specified. Why it is not working? I need to use dynamic binding (not static). Kind Regards, PK

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  • .Net lambda expression-- where did this parameter come from?

    - by larryq
    I'm a lambda newbie, so if I'm missing vital information in my description please tell me. I'll keep the example as simple as possible. I'm going over someone else's code and they have one class inheriting from another. Here's the derived class first, along with the lambda expression I'm having trouble understanding: class SampleViewModel : ViewModelBase { private ICustomerStorage storage = ModelFactory<ICustomerStorage>.Create(); public ICustomer CurrentCustomer { get { return (ICustomer)GetValue(CurrentCustomerProperty); } set { SetValue(CurrentCustomerProperty, value); } } private int quantitySaved; public int QuantitySaved { get { return quantitySaved; } set { if (quantitySaved != value) { quantitySaved = value; NotifyPropertyChanged(p => QuantitySaved); //where does 'p' come from? } } } public static readonly DependencyProperty CurrentCustomerProperty; static SampleViewModel() { CurrentCustomerProperty = DependencyProperty.Register("CurrentCustomer", typeof(ICustomer), typeof(SampleViewModel), new UIPropertyMetadata(ModelFactory<ICustomer>.Create())); } //more method definitions follow.. Note the call to NotifyPropertyChanged(p => QuantitySaved) bit above. I don't understand where the "p" is coming from. Here's the base class: public abstract class ViewModelBase : DependencyObject, INotifyPropertyChanged, IXtremeMvvmViewModel { public event PropertyChangedEventHandler PropertyChanged; protected virtual void NotifyPropertyChanged<T>(Expression<Func<ViewModelBase, T>> property) { MvvmHelper.NotifyPropertyChanged(property, PropertyChanged); } } There's a lot in there that's not germane to the question I'm sure, but I wanted to err on the side of inclusiveness. The problem is, I don't understand where the 'p' parameter is coming from, and how the compiler knows to (evidently?) fill in a type value of ViewModelBase from thin air? For fun I changed the code from 'p' to 'this', since SampleViewModel inherits from ViewModelBase, but I was met with a series of compiler errors, the first one of which statedInvalid expression term '=>' This confused me a bit since I thought that would work. Can anyone explain what's happening here?

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  • Easily (as in WYSIWYG) customize the docbook output

    - by Sukima
    I've used DocBook in the past and I love the idea behind the separation of content from presentation. I am very comfortable editing XML directly. In my extensive search to find the best documenting solution for my needs I am always coming back to this one solution: DocBook - Build system (ant, make, etc.) - Output I have seen lots of information concerning the best WYSIWYG, XML, Text editors for writing DocBook including alternative markup languages like asciidoc. All these solutions focus on the creation of DocBook or the nightmare of the DocBook tool chain. No one ever addresses the Output side other then to say "Just use XSL" or "Custom scripts" When tasked to make a document or manual I don't want to worry about spending countless hours attempting to reprogram, customize, and modify the XSL, CSS, and shell scripts (i.e. O'Riely books). That is a very arduous task. My query: is there a tool that makes the customizing easier? And is there anything that could be similar to say Pages or Word in that the user creates a template and the tool chain does the rest? Attempting to do a visual task like pretty logos and fixing all the broken layouts that the default XSL comes up with (pagination is a mess) is very difficult from a text editor. Content is easy. Editing DocBook XSL was truly a nightmare when I did it in the past. I've searched and I find lots of info on XML editors but nothing on XSL editors. Or am I lacking a key understanding of the process. Thanks.

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  • How to print a image file in printer

    - by jackrobert
    Hi, I write a simple program to print a image in JSF.... I have one image (sampleImage.png).. Already i connected my pc to printer.... Manually i open the image and select print option , then i got image from printer.... Now i want print image using javascript.... <%@page contentType="text/html" pageEncoding="UTF-8"% <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" % <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" % <%@ taglib uri="http://richfaces.org/a4j" prefix="a4j" % <%@ taglib uri="http://richfaces.org/rich" prefix="rich"% <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Printer</title> <script type="text/javascript"> function printImage() { // Here i want write a script for print image } </script> <body> <h:form id="fileViewerForm"> <rich:panel> <f:facet name="header"> <h:outputText value="Printer"/> </f:facet> <h:commandButton value="PrintImage" onclick="printImage();"/> <rich:panel id="imageViewerPanel"> <h:graphicImage id="imageViewer" url="sampleImage.png" </rich:panel> </rich:panel> </h:form> </body> </html> help me about this..

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  • How do I get jQuery's Uploadify plugin to work with ASP.NET MVC?

    - by KingNestor
    I'm in the process of trying to get the jQuery plugin, Uploadify, to work with ASP.NET MVC. I've got the plugin showing up fine: With the following javascript snippet: <script type="text/javascript"> $(document).ready(function() { $('#fileUpload').fileUpload({ 'uploader': '/Content/Flash/uploader.swf', 'script': '/Placement/Upload', 'folder': '/uploads', 'multi': 'true', 'buttonText': 'Browse', 'displayData': 'speed', 'simUploadLimit': 2, 'cancelImg': '/Content/Images/cancel.png' }); }); </script> Which seems like all is well in good. If you notice, the "script" attribute is set to my /Placement/Upload, which is my Placement Controller and my Upload Action. The main problem is, I'm having difficulty getting this action to fire to receive the file. I've set a breakpoint on that action and when I select a file to upload, it isn't getting executed. I've tried changing the method signature based off this article: public string Upload(HttpPostedFileBase FileData) { /* * * Do something with the FileData * */ return "Upload OK!"; } But this still doesn't fire. Can anyone help me write and get the Upload controller action's signature correctly so it will actually fire? I can then handle dealing with the file data myself. I just need some help getting the method action to fire.

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  • how to compare the checksums in a list corresponding to a file path with the file path in the operat

    - by surab
    Hi all, how to compare the checksums in a list corresponding to a file path with the file path in the operating system In Python? import os,sys,libxml2 files=[] sha1s=[] doc = libxml2.parseFile('files.xml') for path in doc.xpathEval('//File/Path'): files.append(path.content) for sha1 in doc.xpathEval('//File/Hash'): sha1s.append(sha1.content) for entry in zip(files,sha1s): print entry the files.xml contains <Files> <File> <Path>usr/share/doc/dialog/samples/form1</Path> <Type>doc</Type> <Size>1222</Size> <Uid>0</Uid> <Gid>0</Gid> <Mode>0755</Mode> <Hash>49744d73e8667d0e353923c0241891d46ebb9032</Hash> </File> <File> <Path>usr/share/doc/dialog/samples/form3</Path> <Type>doc</Type> <Size>1294</Size> <Uid>0</Uid> <Gid>0</Gid> <Mode>0755</Mode> <Hash>f30277f73e468232c59a526baf3a5ce49519b959</Hash> </File> </Files> I need to compare the sha1 checksum in between tags corresponding to the file specified in between the tags, with the same file path in base Operating system.

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