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  • JQuery: is it possible to instantiate a class on client and pass it to $.ajax to post?

    - by nisardotnet
    what i mean by that is: i have a class called Customer: public class Customer { private string _firstName; private string _lastName; public string FirstName { get { return _firstName; } set { _firstName = value; } } public string LastName { get { return _lastName; } set { _lastName = value; } } } how do i instantitate the class "Customer" on the client code and add the data and post it? (not sure if this is possible) here is my client code: var customer = { "firstName": escape($('#txtFirstName').val()), "lastName": escape($('#txtLastName').val()) }; var jsonText = JSON.stringify({ customer: customer }); $.ajax( { type: "POST", url: "VisitorWS.asmx/AddCustomer", data: jsonText , //data: JSON.stringify(params), contentType: "application/json; charset=utf-8", dataType: "json", ...........

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  • Fast single thread comet server, possible?

    - by Pepijn
    I recently encountered a few cases where a server would distribute an event stream that contains the exact same data for all listeners, such as a 'recent activity' box. It occurred to me that it is quite strange and inefficient to have a server like Apache run a thread processing and querying the database for every single comet stream containing the same data. What I would do for those global(not per user) streams is run a single thread that continuously emits data, and a new (green)thread for every new request that outputs the headers and then 'merges' into the main thread. Is it possible for one thread to serve multiple sockets, or for multiple clients to listen to the same socket? An example o = event # threads received | a b # 3 o / / # 3 - |/_/ | # 1 o c # 2 a, b | / o/ # 2 a, b o # 1 a, b, c | # connection b closed o # 1 a, c Does something like this exist? Would it work? Is it possible to do? Disclaimer: I'm not a server expert.

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  • Why does clearing an SQLite database not reduce its size?

    - by Thorsten Lorenz
    I have an SQLite database. I created the tables and filled them with a considerable amount of data. Then I cleared the database by deleting and recreating the tables. I confirmed that all the data had been removed and the tables were empty by looking at them using SQLite Administrator. The problem is that the size of the database file (*.db3) remained the same after it had been cleared. This is of course not desirable as I would like to regain the space that was taken up by the data once I clear it. Did anyone make a similar observation and/or know what is going on? What can be done about it?

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  • Question about migrating from ASP .NET User Controls to .NET 3.5 Master Page technology

    - by Jim McFetridge
    When migrating from an ASP .NET user control -based page with a header, footer, and menu to a Master Page using the same HTML mark-up, is it normal for CSS or javascript behaviors to change slightly? In particular, the submenu bar text now appears run together (which looks like a CSS symptom) and the graphics on the line above it appear to have an incorrect z-order. (The menu operation is javascript-based.) (I tried to paste images here but couldn't.) Also, the site is very large and we've not been given permission to redo the menu for the entire site. This is a forward-only migration. (Because I know that someone will ask.) Assuming that there are no changes in scope, what are the things that I should check? Thanks! Jim

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  • NHibernate mapping one table on two classes with where selection

    - by Rene Schulte
    We would like to map a single table on two classes with NHibernate. The mapping has to be dynamically depending on the value of a column. Here's a simple example to make it a bit clearer: We have a table called Person with the columns id, Name and Sex. The data from this table should be mapped either on the class Male or on the class Female depending on the value of the column Sex. In Pseudocode: create instance of Male with data from table Person where Person.Sex = 'm'; create instance of Female with data from table Person where Person.Sex = 'f'; The benefit is we have strongly typed domain models and can later avoid switch statements. Is this possible with NHibernate or do we have to map the Person table into a flat Person class first? Then afterwards we would have to use a custom factory method that takes a flat Person instance and returns a Female or Male instance. Would be good if NHibernate (or another library) can handle this.

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  • ODBC and Windows Service

    - by DNS
    Hi, I'm new to windows services and... you guessed it, I’m a bit stuck. Let me paint the picture – I’m running a timed service that use an OdbcDataReader and SqlBulkCopy to (1) archive the data (2) normalize the data on a SQL box. When I run this code in a windows form proj. it works fine. Then, when I change the DNS’s Data Directory Path to a local drive, instead of the network share (just simulated the environment locally), it works as well. I’m obviously missing something. Any help will be appreciated. DNS

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  • Detecting bad jpeg images

    - by Gerard Cerchio
    The question on validating jpegs on network transfer is very helpful. Could we take this question one step further? What if the image data is incomplete or corrupt from the server? The complete transport works, the MIME type is image/jpeg, the UIImage is constructed and non-nil but the renderer discovers inconsistencies in the data and the log shows "Bad Huffman code" or "premature end of data segment" How would I capture this error before tossing the UIImage into the view context and thereby getting a not-pretty image on the screen? Could I render it to a non-screen context and capture the error?

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  • UdpClient receiving and sending at the same time

    - by SoMoS
    Hello, I am maintaining other's code and its using the class UdpClient. The code declares one instance of UdpClient and receives data continuosly using the UdpClient.Receive(). When data is received it is processed in another thread and the UdpClient calls Receive() again. At the same time when the data is processed the same client is sending a response back. Question: Is this a bug? I think so because UdpClient is not thread safe so you can not call two methods at the same time. Anyways code is working fine but ...

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  • Adding barcodes to pdfs

    - by calccrypto
    is there any way to do something like a mail merge, where the data (9-15 chars long) is converted to a barcode? im using trying to use openoffice's code128 for calc, but for some reason, every 10 strings, the barcode goes crazy, and the ascii tells me to register at the site where the extension came from, which i dont want to do i also found one for oodraw, but that requires the values to be inputted manually. since im not familiar with the macros, i can't write something that will do it automatically what im trying to do is: take an old pdf (only 1 page) covert it to word or picture or something add a function/macro/whatever to show a barcode (whether or not the barcode shows in this file, i dont care), given a string from excel data reconvert to separate pdfs or some other way that adds barcodes to pdfs all other free programs i have found do not do this nicely, and since im not really a pdf person, im not going to buy random programs. i just need this done for one large batch of data

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  • Connection string in app.config in a class library

    - by Copeleto
    I am creating solution and inside I have three projects: A WCF Service Library Project A DataAccess Project (Class Library) A Web site for hosting WCF service The implementation of the service is on the project # 1, but in order to access the DataBase I use a second project that implements the data access using a class library project. That problem is in order to get data access I need to configure a connection string, but that connection string must be configurable in a production environment, I meant in production I am going to deploy the site, which is a very simple project that contains only a reference WCF Service Library Project then a guy from database department will configure the connection string. In development I have an app.config on the data access project but when I do the release that app.config is embedded on the dll. Any ideas how can we achieve our purpose

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  • Android - Service and Activity interaction

    - by Chris
    I want to create an app that contains a Service S and an Activity A. The Service S is responsible for preprocessing, such as preparing the data shown on the UI of the Activity A, before the Activity A gets invoked. I want to be able to invoke the Service S from outside the package, say from another Android app's Activity class B, do the preprocessing, and then when the data is ready, invoke Activity A. My questions are: What is the best way to share data between the Service S and Activity A? How can the external activity B communicate with the Service S to determine if it has completed with all its preprocessing, and the Activity A is ready to be invoked? Thanks Chris

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  • Double associative array or indexed + associative array

    - by clover
    I'm undecided what's the best-practice approach for what I'm trying to do. I'm trying to enter data into an array where the data will look like this: apple color: red price: 2 orange color: orange price: 3 banana color: yellow price: 2 pineapple color: yellow price: 5 When I get input, let's say green apple (notice it's a combo of color + name of fruit), I'm going to check if the name of fruit part exists in the array and display its data (if it exists). What's the right way to compose those arrays? How would I do an indexed array containing an associative array? (or would this be better as 2 nested associative arrays, I'm guessing not)

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  • JSON Date coming through as Today's date?

    - by Liam
    I'm trying to convert a JSON date to a dd/mm/yyyy format, which I'm managing to do semi-successfully. The problem I'm encountering is that the date from the record in the DB is for example, 2009-06-29 which is returning the usual JSON /Date(1246230000000)/, however, when I try and turn it into the previously mention dd/mm/yyyy format, it's coming through as today's date. The code I'm using to try and do this is: $('input#EmployeeName').result(function(event, data, formatted) { $('#StartDate').html(formatJSONDate(Date(!data ? '' : data.StartDate))); }); function formatJSONDate(jsonDate) { var newDate = dateFormat(jsonDate, "dd/mm/yyyy"); return newDate; } I'm using JavaScript Date Format to try and run the function. Any help is greatly appreciated.

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  • How to embed images in a single HTML / PHP file?

    - by Tatu Ulmanen
    Hi, I am creating a lightweight, single-file database administration tool and I would like to bundle some small icons with it. What is the best way to embed images in a HTML/PHP file? I know a method using PHP where I would call the same file with a GET parameter that would output hardcoded binary data with the correct header, but that seems a bit complicated. Can I use something to pass the image directly in a CSS background-image declaration? This would allow me to utilize the CSS sprite technique. Browser support isn't an issue here, so more exotic methods are welcome also. EDIT Does someone have a link/example to how to generate Data URL's properly with PHP? I'd figure echo 'data:image/png;base64,'.base64_encode(file_get_contents('image.png')) would suffice but I could be wrong.

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  • apostrophe issue with ajax post to php

    - by Ahmet vardar
    hi there, i am posting data with jquery ajax to php but if input has ' inside, data wont be posted. I tried encodeURIComponent but wont work. any idea on this ? thanks EDIT: my code var name = $("input#name_add").val(); name = encodeURIComponent(name); $.post("function.php", { name: name }, function(data) { //codes }); $query = "UPDATE `table` SET name = '" . stripslashes($_POST['name']) . "' WHERE ID = '$id'"; $result = mysql_query($query); if ($result){ print "ok"; }

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  • DataList Control in vb.net windows application forms

    - by KoolKabin
    Hi guys, I am upgrading my application from vb6 to vb.net. I used to populate my data in datalist control in vb6 forms. I am not finding it in vb.net windows form application. Which one control is the equivalent to it? How can i list my data in that control? just like: I had a table with data like id, name I want the name should be the displayed column and id the bound column? how can i do that

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  • Problem in Report Design Layout

    - by Prasanna
    Hi, I have a jasper report with 4 subreports in the detail band of the master report. If data is available for first subreport, it starts displaying from page 1 with the header of the subreport. When second subreport starts printing data, it prints only header in page 1 and the page breaks and in the page 2, it prints header again n data for that. I dont want the header of the second subreport to be printed in page1. It should start print in the page 2. How to solve this..? How could i page break...? its urgent.Please help. Thanks in advance, Prasanna

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  • Sync GIT and ClearCase

    - by Senthil A Kumar
    I am currently working on ClearCase and now migrating to GIT. But we need this migration in a way that all work will be done in GIT and the data will be synced backed to ClearCase stream. We will have the same branch names and stream names in both GIT and CC, so scripting shouldn't be a problem. The problem here is, Can someone suggest which is the best model to sync CC and GIT Have all the Vobs in CC as single repo in GIT, and have the major stream in CC as various branches in GIT. - Single GIT repo (VOBS) and many branches (CC streams). - This takes up less space as VOBs are kept as single repo with many branches. Have important CC branches as independent GIT repositories and each repository having all the CC VOBs. - Many GIT repo for many CC branch - This will take up lots of space as VOBs will be replicated across. Which do you think is the best way to keep it in sync with ClearCase

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  • Alright to truncate database tables when also using Hibernate?

    - by Marcus
    Is it OK to truncate tables while at the same time using Hibernate to insert data? We parse a big XML file with many relationships into Hibernate POJO's and persist to the DB. We are now planning on purging existing data at certain points in time by truncating the tables. Is this OK? It seems to work fine. We don't use Hibernate's second level cache. One thing I did notice, which is fine, is that when inserting we generate primary keys using Hibernate's @GeneratedValue where Hibernate just uses a key value one greater than the highest value in the table - and even though we are truncating the tables, Hibernate remembers the prior value and uses prior value + 1 as opposed to starting over at 1. This is fine, just unexpected. Note that the reason we do truncate as opposed to calling delete() on the Hibernate POJO's is for speed. We have gazillions of rows of data, and truncate is just so much faster.

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  • Resize Ext.form.ComboBox to fit its content

    - by ITRushn
    There are quite few solutions on Ext forums, but I wasn’t able to get any of them work. It seems I am missing something minor. I need to resize combobox to fit its content when it’s first created. I do not need to worry about resizing it when content is changing. Is there any working examples using Extjs 3.2? Current Code: var store = new Ext.data.ArrayStore({ fields: ['view', 'value', 'defaultselect'], data: Ext.configdata.dataCP }); comboCPU = new Ext.form.ComboBox({ tpl: '<tpl for="."><div class="x-combo-list-item"><b>{view}</b><br /></div></tpl>', store: store, displayField: 'view', width: 600, typeAhead: true, forceSelection: true, mode: 'local', triggerAction: 'all', editable: false, emptyText: 'empty text', selectOnFocus: true, listeners: { select: AdjustPrice, change: AdjustPrice, beforeselect: function (combo, record, index) { return ('false' == record.data.disabled); } }, applyTo: 'confelement' }); I've also tried removing width: 600 and replacing it with minListWidth: 600 but that result following and didnt fix the issue.

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  • I need free index/fund/stock end of day quotes in CSV

    - by Janne Mikkola
    Hello, I need (free or cheap) source for end of day stock/mutual funds/index values. Major world indexes & European stocks are primary intrest. I keep seeing that yahoo/ google/ MS offer this data, yet I cant find HOWTO doc (or similar) on getting the data. Reuters is an option - ~$300/month puts it out of my range. Sample of what I am looking for: WMX.IDX,20100326,54.49,54.6,54.17,54.41,0 XAH.IDX,20100326,52.39,52.77,52.33,52.54,0 XAL.IDX,20100326,37.34,38.4,37.34,37.59,0 XAO.IDX,20100326,4896.2998,4905.2002,4848.2998,4905.2002,0 I wish to get this data into txt file in an automated manner. My platform is Linux, (I also have pc with windows & emulator in for win in linux so windows is an option) http://www.eoddata.com/ is best site I have found so far. This is quite good yet I desire more info on european finances. Please advice! Sincerely, Janne

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  • how does NTFS actually work with B-tree ?

    - by bakra
    To improve performance, NTFS directories use a special data management structure called a B-tree. "B-tree" concept here refers to a "tree of storage units" that hold the contents of an individual directory. What I don't understand is where on the disk is this tree stored? Its surely not created every-time we reboot...that would take lots of time. and since its a tree(dynamic Data structure) unlike arrays it will grow. so space needs to be allocated every-time it grows. so how is this "dynamic meta-data" stored ?

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  • How to write program to do file transfer based on based omniORBpy

    - by cofthew7
    I'm now writing a Corba project to do file transfering between client and server. But I face trouble when I want to upload file from the client to the server. The IDL I defined is: interface SecretMessage { string send_file(in string file_name, in string file_obj); }; And I implemented the uploading function in the client code: f = open('SB.docx', 'rb') data = '' for piece in read_in_chunks(f): data += piece result = mo.send_file('2.docx', data) If the file is a plain txt file, there is no problem. But if the file is a, like jpg, doc, or others except txt, then it does work. It gives me the error: omniORB.CORBA.BAD_PARAM: CORBA.BAD_PARAM(omniORB.BAD_PARAM_WrongPythonType, CORBA.COMPLETED_NO) Where is the problem?

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  • Where should I exclude and select information BL or DL?

    - by MRFerocius
    Hi guys; I have another conceptual question. Suppose I have a Data Layer and a Bussines Layer. I have on my data base for example Customers and those customers has an assigned Vendor: Customers(customerID, customerName, customerAddress, vendorID) Vendors(vendorID, vendorName, vendorAddress) Now suppose my Vendor logs into my web application and wants to see all his customers: a) Should I use my Datalayer method and there find his customers on the query? b) Should the data layer return all the customers and on the Buissnes Layer filter that vendor ones? Is B even a good approach because is the one I want to use.... Is it correct? Thanks in advance!!!

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  • Doing ajax with Jquery.

    - by user272899
    I have been loading content with ajax and all works fine. Here is my code $(document).ready(function() { //Load a-z.php //Timestamp resolves IE caching issue var tsTimeStamp= new Date().getTime(); $.post('../../includes/categories/a-z.php', {action: "post", time: tsTimeStamp}, function(data){ $('#moviescontainer').html(data).slideDown('slow'); }); return true; }); My data inside a-z.php requires Javascript for it's content and when I load a-z.php onto my page the javascript doesn't work. I am quessing that I need to link the relevant files to a-z.php and then load it via ajax. Doesn't this kind of defeat the object of ajax?? That means that I will be loading the js files on the main page and then loading them again when I ajax a-z.php I hope I made some sense.

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