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  • iPhone: Creating a hierarchy-based table navigation.

    - by Jack Griffiths
    Hi there, I've tried to ask this before, but nothing got answered. Basically, I would like someone to explain to me how to create a table, which when a cell is tapped, pushes the user to the next view for that cell. I have this so far: Click here to view what I have. I would further like to, say when CSS is tapped, it goes to a new view which has another table in it. This table would then take the user to a detail view, which is scrollable and you can switch pages through it. I would appreciate longer, more structured tutorials on how to do each and every bit to get it to work. Here's my array in my implementation file: - (void)viewDidLoad { arryClientSide = [[NSArray alloc] initWithObjects:@"CSS", @"HTML", @"JavaScript", @"XML", nil]; arryServerSide = [[NSArray alloc] initWithObjects:@"Apache", @"PHP", @"SQL", nil]; self.title = @"Select a Language"; [super viewDidLoad]; } and my .h: @interface RootViewController : UITableViewController <UITableViewDelegate, UITableViewDataSource> { IBOutlet UITableView *tblSimpleTable; NSArray *arryClientSide; NSArray *arryServerSide; } My current code crashes the script, and this error is returned in the console: Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[UITableViewController loadView] loaded the "NextView" nib but didn't get a UITableView.' If that error is the source of why it's not pushing, then an explanation of how to remedy that would also be appreciated Many thanks, Jack

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  • Creating a Hello World library function in assembly and calling it from C#

    - by Filip Ekberg
    Let's say we use NASM as they do in this answer: how to write hellow world in assembly under windows. I got a couple of thoughts and questions regarding assembly combined with c# or any other .net languages for that matter. First of all I want to be able to create a library that has the following function HelloWorld that takes this parameter: Name In C# the method signature would looke like this: void HelloWorld(string name) and it would print out something like Hello World from name I've searched around a bit but can't find that much good and clean material for this to get me started. I know some basic assembly from before mostly gasthough. So any pointers in the right direction is very much apprechiated. To sum it up Create a function in ASM ( NASM ) that takes one or more parameters Compile and create a library of the above functionality Include the library in any .net language Call the included library function Bonus features How does one handle returned values? Is it possible to write the ASM-method inline? When creating libraries in assembly or c, you do follow a certain "pre defined" way, the c calling convetion, correct?

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  • Need help finding a good curriculum/methodology for self-teaching to program from scratch

    - by BrotherGA2
    My friend and I have both dedicated ourselves to learning the essentials of programming by June of this year from nearly no programming experience. I have done some research and have come to the conclusion that using the Python language will be the best for us, but I am open to suggestions with good reasoning behind them. My motives for learning programming are: Potential Career Path to be able to create programs that can: solve problems; entertain, i.e. useful applications and games. Online college lectures + book (which I am willing to purchase) sounds like a good combination, but I do not know which would be most suitable for me. tl;dr: What I would like to find from the excellent people here is the following: a good, potentially best, programming course and/or book that is well structured and uses good pedagogy so that a person dedicated to learn programming may do so by following its curriculum (or use it to develop a curriculum) over the course of a few months. Thanks! (I apologize if this type of question is not considered proper etiquette, but I haven't found a consensus on this, and would like some guidance beyond the research I've already done)

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  • PL/PGSQL function, having trouble accessing a returned result set from psycopg2...

    - by Paul
    I have this pl/pgsql function: CREATE OR REPLACE FUNCTION get_result(id integer) RETURNS SETOF my_table AS $ DECLARE result_set my_table%ROWTYPE; BEGIN IF id=0 THEN SELECT INTO result_set my_table_id, my_table_value FROM my_table; ELSE SELECT INTO result_set my_table_id, my_table_value FROM my_table WHERE my_table_id=id; END IF; RETURN; END; $ LANGUAGE plpgsql; I am trying to use this with Python's psycopg2 library. Here is the python code: import psycopg2 as pg conn = pg.connect(host='myhost', database='mydatabase', user='user', password='passwd') cur = conn.cursor() return cur.execute("SELECT * FROM get_result(0);") # returns NoneType However, if i just do the regular query, I get the correct set of rows back: ... return cur.execute("SELECT my_table_id, my_table_value FROM mytable;") # returns iterable result set Theres obviously something wrong with my pl/pgsql function, but I can't seem to get it right. I also tried using RETURN result_set; instead of just RETURN in the 10th line of my plpgsql function, but got an error from postgres.

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  • Accessing XML file using JavaScript And ASP.net |VB code

    - by Bubba
    Am trying to read in data from an xml file but using javascript which is embedded into my asp.net|vb code. I am new to asp.net but coming from a programming background. so I declared the xml objects for the appropriate browsers, as well as the name of the local xml to read data from, I then start by appending the create the table tag and then append it to the div tag in hack5.aspx I declare the variable that will represent/ hold the xml returned data object. I then run a for loop , before creating a row tag and then appending it to the div tag in hack5.aspx I then create the a row tag and then appending it to the div tag in hack5.aspx | then create a TextNode which is passed to variable, then create a td and append to div . then lastly append the textnode to td this format is the same for creating another 13 td tags that are to hold the data. The main problem is when I run the script - I see nothing display on my screen . no errors are shown, but with your sample code runs smoothly. So the first file hack5.aspx is as follows: <%@ Page Language="VB" AutoEventWireup="false" CodeFile="hack5.aspx.vb" Inherits="_Default" %> <!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>Diplaying MessageBox from ASP.NET</title> </head> <body> <form id="form1" runat="server"> <div id="showtime" > </div> </form> </body> </html> The next file hack5.aspx.vb is as follows: Partial Class _Default Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim scriptString as String = "<script language=JavaScript> if (window.XMLHttpRequest) " scriptString += " { " scriptString += " xhttp=new XMLHttpRequest(); " scriptString += " } " scriptString += " else " scriptString += " { " scriptString += " xhttp=new ActiveXObject('Microsoft.XMLHTTP'); " scriptString += " } " scriptString += " xhttp.open('GET','yes.xml',false); " scriptString += " xhttp.send(null);" scriptString += " xmlDoc= xhttp.responseXML; " scriptString += " var table1 = document.createElement('table'); " scriptString += " document.getElementById('showtime').appendChild(table1); " scriptString += " var x=xmlDoc.getElementsByTagName('Table'); " scriptString += " for (i=0;i<x.length;i++) " scriptString += " { " scriptString += " var assessment = document.createTextNode(x[i].getElementsByTagName('Assessment')[0].childNodes[0].nodeValue);" scriptString += " var row1 = document.createElement('tr'); " scriptString += " document.getElementById('showtime').appendChild(row1); " scriptString += " var column1 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column1); " scriptString += " column1.appendChild(assessment); " scriptString += " var Issue_Date = document.createTextNode(x[i].getElementsByTagName('Issue_Date')[0].childNodes[0].nodeValue);" scriptString += " var column2 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column2); " scriptString += " column2.appendChild(Issue_Date); " scriptString += " var Due_Date = document.createTextNode(x[i].getElementsByTagName('Due_Date')[0].childNodes[0].nodeValue);" scriptString += " var column3 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column3); " scriptString += " column3.appendChild(Due_Date); " scriptString += " var Interest = document.createTextNode(x[i].getElementsByTagName('Interest')[0].childNodes[0].nodeValue);" scriptString += " var column4 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column4); " scriptString += " column4.appendChild(Interest); " scriptString += " var Summary = document.createTextNode(x[i].getElementsByTagName('Summary')[0].childNodes[0].nodeValue);" scriptString += " var column5 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column5); " scriptString += " column5.appendChild(Summary);" scriptString += " var Amount_Due= document.createTextNode(x[i].getElementsByTagName('Amount_Due')[0].childNodes[0].nodeValue);" scriptString += " var column6 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column6); " scriptString += " column6.appendChild(Amount_Due);" scriptString += " var IEduty = document.createTextNode(x[i].getElementsByTagName('IEduty')[0].childNodes[0].nodeValue);" scriptString += " var column7 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column7); " scriptString += " column7.appendChild(IEduty);" scriptString += " var LEsurtax = document.createTextNode(x[i].getElementsByTagName('LEsurtax')[0].childNodes[0].nodeValue);" scriptString += " var column8 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column8); " scriptString += " column8.appendChild(LEsurtax);" scriptString += " var CEsurtax = document.createTextNode(x[i].getElementsByTagName('CEsurtax')[0].childNodes[0].nodeValue);" scriptString += " var column9 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column9); " scriptString += " column9.appendChild(CEsurtax);" scriptString += " var EXduty = document.createTextNode(x[i].getElementsByTagName('EXduty')[0].childNodes[0].nodeValue);" scriptString += " var column10 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column10); " scriptString += " column10.appendChild(EXduty);" scriptString += " var IMvat = document.createTextNode(x[i].getElementsByTagName('IMvat')[0].childNodes[0].nodeValue);" scriptString += " var column11 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column11); " scriptString += " column11.appendChild(IMvat);" scriptString += " var SYSfee = document.createTextNode(x[i].getElementsByTagName('SYSfee')[0].childNodes[0].nodeValue);" scriptString += " var column12 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column12); " scriptString += " column12.appendChild(SYSfee);" scriptString += " var AItax = document.createTextNode(x[i].getElementsByTagName('AItax')[0].childNodes[0].nodeValue);" scriptString += " var column13 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column13); " scriptString += " column13.appendChild(AItax);" scriptString += " var Cduty = document.createTextNode(x[i].getElementsByTagName('Cduty')[0].childNodes[0].nodeValue);" scriptString += " var column14 = document.createElement('td'); " scriptString += " document.getElementById('showtime').appendChild(column14); " scriptString += " column14.appendChild(Cduty);" scriptString += " } " scriptString += " <" scriptString += "/" scriptString += "script>" If(Not ClientScript.IsStartupScriptRegistered("clientScript")) ClientScript.RegisterClientScriptBlock(Me.GetType(),"clientScript", scriptString) End If End Sub End Class And finally the xml file is as follows: <?xml version="1.0" encoding="utf-8" ?> <DataSet xmlns="http://tempuri.org/"> <xs:schema id="NewDataSet" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> <xs:element name="NewDataSet" msdata:IsDataSet="true" msdata:UseCurrentLocale="true"> <xs:complexType> <xs:choice minOccurs="0" maxOccurs="unbounded"> <xs:element name="Table"> <xs:complexType> <xs:sequence> <xs:element name="UserName" type="xs:string" minOccurs="0" /> <xs:element name="Password" type="xs:string" minOccurs="0" /> <xs:element name="UserLevel" type="xs:string" minOccurs="0" /> <xs:element name="FName" type="xs:string" minOccurs="0" /> <xs:element name="LName" type="xs:string" minOccurs="0" /> <xs:element name="Branch" type="xs:string" minOccurs="0" /> <xs:element name="Department" type="xs:string" minOccurs="0" /> </xs:sequence> </xs:complexType> </xs:element> </xs:choice> </xs:complexType> </xs:element> </xs:schema> <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1"> <NewDataSet xmlns=""> <Table diffgr:id="Table1" msdata:rowOrder="0"> <Assessment>CHR/A157/2009</Assessment> <Issue_Date>20/10/2009</Issue_Date> <Due_Date>01/11/2009</Due_Date> <Interest>2.00</Interest> <Summary>BENTLEY 2009</Summary> <Amount_Due>28000000.00</Amount_Due> <IEduty>3000000.00</IEduty> <LEsurtax>4000000.00</LEsurtax> <CEsurtax>5000000.00</CEsurtax> <EXduty>0.00</EXduty> <IMvat>5000000.00</IMvat> <SYSfee>8000000.00</SYSfee> <AItax>2000000.00</AItax> <Cduty>1000000.00</Cduty> </Table> <Table diffgr:id="Table1" msdata:rowOrder="1"> <Assessment>CHR/A167/2009</Assessment> <Issue_Date>20/10/2009</Issue_Date> <Due_Date>01/11/2009</Due_Date> <Interest>2.00</Interest> <Summary>BENTLEY 2009</Summary> <Amount_Due>24000000.00</Amount_Due> <IEduty>3000000.00</IEduty> <LEsurtax>4000000.00</LEsurtax> <CEsurtax>5000000.00</CEsurtax> <EXduty>0.00</EXduty> <IMvat>1000000.00</IMvat> <SYSfee>8000000.00</SYSfee> <AItax>2000000.00</AItax> <Cduty>1000000.00</Cduty> </Table> <Table diffgr:id="Table1" msdata:rowOrder="2"> <Assessment>CHR/A196/2009</Assessment> <Issue_Date>11/11/2009</Issue_Date> <Due_Date>21/11/2009</Due_Date> <Interest>2.00</Interest> <Summary>BENTLEY 2009</Summary> <Amount_Due>20000000.00</Amount_Due> <IEduty>3000000.00</IEduty> <LEsurtax>4000000.00</LEsurtax> <CEsurtax>5000000.00</CEsurtax> <EXduty>0.00</EXduty> <IMvat>1000000.00</IMvat> <SYSfee>4000000.00</SYSfee> <AItax>2000000.00</AItax> <Cduty>1000000.00</Cduty> </Table> </NewDataSet> </diffgr:diffgram> </DataSet>

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  • Session cookie not being created in Rails, very rarely and frustratingly.

    - by James
    Hi everyone, This is an issue sporadically for very few users, however we haven't been able to replicate it. However I have now got a Chrome instance (Mac) which is reproducing the error (for some unknown reason), and I hope to not restart it until I have this nailed! Rails application, using memcached for session store. While the bug manifests in the _app_session_id cookie not being created, our javascript-generated cookie test and app-generated language cookies are being created successfully. This means that 422 / InvalidAuthToken errors are thrown for every form that is submitted by those afflicted - people can't log into the app. The error occurs across all browsers - had reports for IE7 and Firefox (which most users use). Switching to another browser often fixes the issue (though not always), and standard cache-cookie-clear tactics do not. So now that I have got Chrome open which is having the same issue - in development, staging and live environments (meaning http and https). All other browsers are fine. I've restarted the servers and restarted memcached. I don't really want to restart Chrome - in the risk that the issue does go away with that (having said that, it hasn't worked for users). I've been tcpdumping the requests - and although I'll keep digging, I'd love it if anyone had any suggestions, places to start looking, anything. This is really painful ;) Thanks!

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  • Learning Clojure - What should I know about Java and more.

    - by kartan
    Hello, I have started learning Clojure recently, my main programming language is Ruby and I have no Java experience whatsoever. Which Java standard classes are a must to know when working with Clojure? Obviously Clojure doesn't come with a wrapper for everything and a lot of functionality is provided by Java's libraries. There's like a gazillion of them on javadocs - which ones should I explore? Where do I look for and how do I install third party libraries? In Ruby I'd visit Rubyforge or Rubytoolbox and then just gem install the package I found interesting. Which editor/ide for Clojure would you recommend (with the lowest learning curve)? I am trying to use Netbeans with Enclojure and paradoxally it's my biggest obstacle so far: Each generated project has some xml files, folders, library dependencies etc. the purpose of I have no clue. I am doing some labrepl exercises and wanted to try out some of the bundled libraries separately in a new project, but this simple task I cannot accomplish :/ Are there any clojure community driven blogs with news, code tips etc?

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  • Space-saving character encoding for japanese?

    - by Constantin
    In my opinion a common problem: character encoding in combination with a bitmap-font. Most multi-language encodings have an huge space between different character types and even a lot of unused code points there. So if I want to use them I waste a lot of memory (not only for saving multi-byte text - i mean specially for spaces in my bitmap-font) - and VRAM is mostly really valuable... So the only reasonable thing seems to be: Using an custom mapping on my texture for i.e. UTF-8 characters (so that no space is waste). BUT: This effort seems to be same with use an own proprietary character encoding (so also own order of characters in my texture). In my specially case I got texture space for 4096 different characters and need characters to display latin languages as well as japanese (its a mess with utf-8 that only support generall cjk codepages). Had somebody ever a similiar problem (I really wonder, if not)? If theres already any approach? Edit: The same Problem is described here http://www.tonypottier.info/Unicode_And_Japanese_Kanji/ but it doesnt provide an real solution how to save these bitmapfont mappings to utf-8 space efficent. So any further help is welcome!

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  • Methods and properties in scheme - is object oriented programming possible in scheme?

    - by incrediman
    I will use a simple example to illustrate my question. In Java, C, or any other OOP language, I could create a pie class in a way similar to this: class Apple{ public String flavor; public int pieces; private int tastiness; public goodness(){ return tastiness*pieces; } } What's the best way to do that with Scheme? I suppose I could do with something like this: (define make-pie (lambda (flavor pieces tastiness) (list flavor pieces tastiness))) (define pie-goodness (lambda (pie) (* (list-ref pie 1) (list-ref pie 2)))) (pie-goodness (make-pie 'cherry 2 5)) ;output: 10 ...where cherry is the flavor, 2 is the pieces, and 5 is the tastiness. However then there's no type-safety or visibility, and everything's just shoved in an unlabeled list. How can I improve that? Sidenote: The make-pie procedure expects 3 arguments. If I want to make some of them optional (like I'd be able to in curly-brace languages like Java or C), is it good practice to just take the arguments in as a list (that is treat the arguments as a list - not require one argument which is a list) and deal with them that way?

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  • Error in Postgres execute

    - by RAJA
    I'm using this function... -- Function: dbo.sp_acc_createaccount(character varying, integer, integer, character varying, character varying, character varying, character varying) -- DROP FUNCTION dbo.sp_acc_createaccount(character varying, integer, integer, character varying, character varying, character varying, character varying); CREATE OR REPLACE FUNCTION dbo.sp_acc_createaccount(IN in_orgmgrtype character varying, INOUT in_parentid integer, IN in_levelid integer, IN in_name character varying, IN in_phone character varying, IN in_webpage character varying, IN in_owner character varying, OUT out_accountid integer) RETURNS record AS $BODY$ DECLARE l_CoID int; l_CurrID int; l_OrgMgrId int; errmsg varchar(250); BEGIN IF in_ParentID = -1 THEN errmsg := 'execute sp_Acc_GetCompanyIDForUser failed'; l_CoID := dbo.sp_Acc_GetCompanyIDForUser(in_user); IF l_CoID = -2 THEN RAISE EXCEPTION 'execute sp_Acc_GetCompanyIDForUser failed'; END IF; errmsg := 'execute sp_Acc_GetOrgMgrIDForCompany failed'; l_OrgMgrID := dbo.sp_Acc_GetOrgMgrIDForCompany(in_OrgMgrType, l_CoID); IF l_OrgMgrID = -2 THEN RAISE EXCEPTION 'execute sp_Acc_GetOrgMgrIDForCompany failed'; END IF; in_ParentID := l_OrgMgrID; ELSE errmsg := 'Select orgmgrid failed'; SELECT OrgMgrID INTO l_CurrID FROM dbo.OrgMgr WHERE Name = in_Name AND ParentID = in_ParentID; END IF; -- if not, add it IF l_CurrID IS NULL THEN errmsg := 'Insert into orgmgr(account creation) failed'; INSERT INTO dbo.OrgMgr (ParentID, LevelID, Name, PrimaryPhone, WebPage, Owner) VALUES (in_ParentID, in_LevelID, in_Name, in_Phone, in_WebPage, in_Owner); out_AccountID := currval('dbo.OrgMgr_accountid_seq'); ELSE out_AccountID := -1; END IF; COMMIT; EXCEPTION WHEN RAISE_EXCEPTION THEN out_AccountID := 99; RAISE NOTICE 'ERROR : %',errmsg; WHEN OTHERS THEN out_AccountID := 99; RAISE EXCEPTION 'ERROR : %',errmsg; END $BODY$ LANGUAGE 'plpgsql' VOLATILE COST 100; ALTER FUNCTION dbo.sp_acc_createaccount(character varying, integer, integer, character varying, character varying, character varying, character varying) OWNER TO postgres; But.. it's showing error in execute time .. ERROR: SPI_execute_plan failed executing query "ROLLBACK": SPI_ERROR_TRANSACTION

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  • Copy a multi-dimentional array by Value (not by reference) in PHP.

    - by Simon R
    Language: PHP I have a form which asks users for their educational details, course details and technical details. When the form is submitted the page goes to a different page to run processes on the information and save parts to a database. HOWEVER(!) I then need to return the page back to the original page, where having access to the original post information is needed. I thought it would be simple to copy (by value) the multi-dimensional (md) $_POST array to $_SESSION['post'] session_start(); $_SESSION['post'] = $_POST; However this only appears to place the top level of the array into $_SESSION['post'] not doing anything with the children/sub-arrays. An abbreviated form of the md $_POST array is as follows: Array ( [formid] = 2 [edu] = Array ( ['id'] = Array ( [1] = new_1 [2] = new_2 ) ['nameOfInstitution'] = Array ( [1] = 1 [2] = 2 ) ['qualification'] = Array ( [1] = blah [2] = blah ) ['grade'] = Array ( [1] = blah [2] = blah ) ) [vID] = 61 [Submit] = Save and Continue ) If I echo $_SESSION['post']['formid'] it writes "2", and if I echo $_SESSION['post']['edu'] it returns "Array". If I check that edu is an array (is_array($_SESSION['post']['edu])) it returns true. If I echo $_SESSION['post']['edu']['id'] it returns array, but when checked (is_array($_SESSION['post']['edu]['id'])) it returns false and I cannot echo out any of the elements. How do I successfully copy (by value, not by reference) the whole array (including its children) to an new array?

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  • View Models (ViewData), UserControls/Partials and Global variables - best practice?

    - by elado
    Hi I'm trying to figure out a good way to have 'global' members (such as CurrentUser, Theme etc.) in all of my partials as well as in my views. I don't want to have a logic class that can return this data (like BL.CurrentUser) I do think it needs to be a part of the Model in my views So I tried inheriting from BaseViewData with these members. In my controllers, in this way or another (a filter or base method in my BaseController), I create an instance of the inheriting class and pass it as a view data. Everything's perfect till this point, cause then I have my view data available on the main View with the base members. But what about partials? If I have a simple partial that needs to display a blog post then it looks like this: <%@ Control Language="C#" AutoEventWireup="true" Inherits="ViewUserControl<Post>" %> and simple code to render this partial in my view (that its model.Posts is IEnumerable<Post>): <%foreach (Post p in this.Model.Posts) {%> <%Html.RenderPartial("Post",p); %> <%}%> Since the partial's Model isn't BaseViewData, I don't have access to those properties. Hence, I tried to make a class named PostViewData which inherits from BaseViewData, but then my containing views will have a code to actually create the PostViewData in them in order to pass it to the partial: <%Html.RenderPartial("Post",new PostViewData { Post=p,CurrentUser=Model.CurrentUser,... }); %> Or I could use a copy constructor <%Html.RenderPartial("Post",new PostViewData(Model) { Post=p }); %> I just wonder if there's any other way to implement this before I move on. Any suggestions? Thanks!

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  • DSL to generate test data

    - by queen3
    There're several ways to generate data for tests (not only unit tests), for example, Object Mother, builders, etc. Another useful approach is to write test data as plain text: product: Main; prices: 145, 255; Expire: 10-Apr-2011; qty: 2; includes: Sub product: Sub; prices: 145, 255; Expire: 10-Apr-2011; qty: 2 and then parse it into C# objects. This is easy to use in unit tests (because deep inner collections can be written in single line), this is even more convenient to use in FitNesse-like system (because this DSL naturally fits into wiki), and so on. So I use this and write parser, but it's tedious to write each time. I'm not a big expert in DSL/language parsers, but I think they can help here. What would be the right one to use? I only heard about: DSL (I mean, any DSL) Boo (that I think can do DSL) ANTLR but I don't even know which one to pick and where to start. So the question: is it reasonable to use some kind of DSL to generate test data? What would you suggest to do so? Are there any existing cases?

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  • Javascript parentNode and innerHTML do not work properly in FireFox

    - by Uda
    Hello, I have a problem when using javascript in Firefox, here is the html: <HTML> <BODY> <TABLE align="center"> <TR><td><input type=button name=submit onclick="javascript:submitIt()" value="submit" align="center"></td></TR> <TD> <TABLE> <DIV STYLE="display:none position:relative;"> <FORM ID="formA" NAME="formA" METHOD="post" ACTION="b.html" TARGET="_blank"> <INPUT TYPE="hidden" NAME=aInput VALUE="1294457296"> </FORM> </DIV> </TABLE> </TD> </TABLE></BODY></HTML> and here's the javascript: <script language="Javascript"> function submitIt() { oForm = document.getElementById("formA"); strRequest = "<HTML><BODY>" + oForm.parentNode.innerHTML + "</BODY></HTML>"; newDoc = window.open("", "", ""); newDoc.document.write(strRequest); } Problem is when you click submit button in this html page, you'll get a new html with source: <HTML><BODY><form id="formA" name="formA" method="post" action="b.html" target="_blank"></form> <input name="aInput" value="1294457296" type="hidden"> </BODY></HTML> but it's supposed to be <HTML><BODY><form id="formA" name="formA" method="post" action="b.html" target="_blank"> <input name="aInput" value="1294457296" type="hidden"></form> </BODY></HTML> Could anyone please help please? it will be really appreciated. Thanks!

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  • jQuery ajax post failing in asp

    - by Dave Kiss
    hey guys, this might be really stupid, but hopefully someone can help. I'm trying to post to an external script using ajax so i can mail the data, but for some reason my data is not making it to the script. $(document).ready(function() { $("#submitContactForm").click(function () { $('#loading').append('<img src="http://www.xxxxxxxx.com/demo/copyshop/images/loading.gif" alt="Currently Loading" id="loadingComment" />'); var name = $('#name').val(); var email = $('#email').val(); var comment = $('#comment').val(); var dataString = 'name='+ name + '&email=' + email + '&comment=' + comment; $.ajax({ url: 'http://www.xxxxx.com/demo/copyshop/php/sendmail.php', type: 'POST', data: '?name=Dave&[email protected]&comment=hiiii', success: function(result) { $('#loading').append('success'); } }); return false; }); }); the php script is simple (for now - just wanted to make sure it worked) <?php $name = $_POST['name']; $email = $_POST['email']; $comment = $_POST['comment']; $to = '[email protected]'; $subject = 'New Contact Inquiry'; $message = $comment; mail($to, $subject, $message); ?> the jquery is embedded in an .aspx page (a language i'm not familiar with) but is posting to a php script. i'm receiving emails properly but there is no data inside. am i missing something? i tried to bypass the variables in this example, but its still not working thanks

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  • AnyCPU/x86/x64 for C# application and it's C++/CLI dependency

    - by Soonts
    I'm Windows developer, I'm using Microsoft visual studio 2008 SP1. My developer machine is 64 bit. The software I'm currently working on is managed .exe written in C#. Unfortunately, I was unable to solve the whole problem solely in C#. That's why I also developed a small managed DLL in C++/CLI. Both projects are in the same solution. My C# .exe build target is "Any CPU". When my C++ DLL build target is "x86", the DLL is not loaded. As far as I understood when I googled, the reason is C++/CLI language, unlike other .NET languages, compiles to the native code, not managed code. I switched the C++ DLL build target to x64, and everything works now. However, AFAIK everything will stop working as soon as my client will install my product on a 32-bit OS. I have to support Windows Vista and 7, both 32 and 64 bit versions of each of them. I don't want to fall back to 32 bits. That 250 lines of C++ code in my DLL is only 2% of my codebase. And that DLL is only used in several places, so in the typical usage scenario it's not even loaded. My DLL implements two COM objects with ATL, so I can't use "/clr:safe" project setting. Is there way to configure the solution and the projects so that C# project builds "Any CPU" version, the C++ project builds both 32 bit and 64 bit versions, then in the runtime when the managed .EXE is starting up, it uses either 32-bit DLL or 64-bit DLL depending on the OS? Or maybe there's some better solution I'm not aware of? Thanks in advance!

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  • Reading numpy arrays outside of Python

    - by Abiel
    In a recent question I asked about the fastest way to convert a large numpy array to a delimited string. My reason for asking was because I wanted to take that plain text string and transmit it (over HTTP for instance) to clients written in other programming languages. A delimited string of numbers is obviously something that any client program can work with easily. However, it was suggested that because string conversion is slow, it would be faster on the Python side to do base64 encoding on the array and send it as binary. This is indeed faster. My question now is, (1) how can I make sure my encoded numpy array will travel well to clients on different operating systems and different hardware, and (2) how do I decode the binary data on the client side. For (1), my inclination is to do something like the following import numpy as np import base64 x = np.arange(100, dtype=np.float64) base64.b64encode(x.tostring()) Is there anything else I need to do? For (2), I would be happy to have an example in any programming language, where the goal is to take the numpy array of floats and turn them into a similar native data structure. Assume we have already done base64 decoding and have a byte array, and that we also know the numpy dtype, dimensions, and any other metadata which will be needed. Thanks.

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  • Is there a version of the removeElement function in Go for the vector package like Java has in its V

    - by Brian T Hannan
    I am porting over some Java code into Google's Go language and I converting all code except I am stuck on just one part after an amazingly smooth port. My Go code looks like this and the section I am talking about is commented out: func main() { var puzzleHistory * vector.Vector; puzzleHistory = vector.New(0); var puzzle PegPuzzle; puzzle.InitPegPuzzle(3,2); puzzleHistory.Push(puzzle); var copyPuzzle PegPuzzle; var currentPuzzle PegPuzzle; currentPuzzle = puzzleHistory.At(0).(PegPuzzle); isDone := false; for !isDone { currentPuzzle = puzzleHistory.At(0).(PegPuzzle); currentPuzzle.findAllValidMoves(); for i := 0; i < currentPuzzle.validMoves.Len(); i++ { copyPuzzle.NewPegPuzzle(currentPuzzle.holes, currentPuzzle.movesAlreadyDone); copyPuzzle.doMove(currentPuzzle.validMoves.At(i).(Move)); // There is no function in Go's Vector that will remove an element like Java's Vector //puzzleHistory.removeElement(currentPuzzle); copyPuzzle.findAllValidMoves(); if copyPuzzle.validMoves.Len() != 0 { puzzleHistory.Push(copyPuzzle); } if copyPuzzle.isSolutionPuzzle() { fmt.Printf("Puzzle Solved"); copyPuzzle.show(); isDone = true; } } } } If there is no version available, which I believe there isn't ... does anyone know how I would go about implementing such a thing on my own?

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  • Binding type variables that only occur in assertions

    - by Giuseppe Maggiore
    Hi! I find it extremely difficult to describe my problem, so here goes nothing: I have a bunch of assertions on the type of a function. These assertions rely on a type variable that is not used for any parameter of the function, but is only used for internal bindings. Whenever I use this function it does not compile because, of course, the compiler has no information from which to guess what type to bind my type variable. Here is the code: {-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies, FlexibleInstances, UndecidableInstances, FlexibleContexts, EmptyDataDecls, ScopedTypeVariables, TypeOperators, TypeSynonymInstances #-} class C a a' where convert :: a -> a' class F a b where apply :: a -> b class S s a where select :: s -> a data CInt = CInt Int instance S (Int,String) Int where select (i,_) = i instance F Int CInt where apply = CInt f :: forall s a b . (S s a, F a b) => s -> b f s = let v = select s :: a y = apply v :: b in y x :: Int x = f (10,"Pippo") And here is the generated error: FunctorsProblems.hs:21:4: No instances for (F a Int, S (t, [Char]) a) arising from a use of `f' at FunctorsProblems.hs:21:4-17 Possible fix: add an instance declaration for (F a Int, S (t, [Char]) a) In the expression: f (10, "Pippo") In the definition of `x': x = f (10, "Pippo") Failed, modules loaded: none. Prelude>

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  • Vertical Image Border Changes Alignment when Screen is not maximized

    - by Randy
    I have some pretty straightforward HTML code with a few tables to organize various items of text or images. All works fine except that I need to place a vertical border on both the left and right sides of the screen. I am able to do this with a 2x2 pixel image that I stretch out. When the user has their screen maximized, everything looks great. But when the user hits "Restore Down", then the borders stay in place, but the tables get shoved down so that they start below where the borders end, which is off screen. in other words, the relational alignment between the borders and the tables gets all screwed up. Does anybody know how to make this alignment stay consistent on a restore down? I'm pretty much a newbie with html and asp, so speak slowly. If there is a better method to accomplish this, I'm all ears. Thanks. Here is the relevant section of code: <%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" % <form id="form1" runat="server"> <asp:Image ID="LeftBorder" src="../Images/Border_Blue.jpg" runat="server" WIDTH="15" HEIGHT="1000" BORDER="0" alt="Image Missing" align="left"/> <asp:Image ID="RightBorder" src="../Images/Border_Blue.jpg" runat="server" WIDTH="15" HEIGHT="1000" BORDER="0" alt="Image Missing" align="right" /> <table id="BannerTable" style="height: 100px"> <tr> <td width="934px"> <img src="../Images/Header.jpg" alt="Image Missing" id="ImgBanner" align="left"/></td> </tr> </table>

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  • Javascript force GC collection? / Forcefully free object?

    - by plash
    I have a js function for playing any given sound using the Audio interface (creating a new instance for every call). This works quite well, until about the 32nd call (sometimes less). This issue is directly related to the release of the Audio instance. I know this because I've allowed time for the GC in Chromium to run and it will allow me to play another 32 or so sounds again. Here's an example of what I'm doing: <html><head> <script language="javascript"> function playSound(url) { snd = new Audio(url); snd.play(); delete snd; snd = null; } </script> </head> <body> <a href="#" onclick="playSound('blah.mp3');">Play sound</a> </body></html> I also have this, which works well for pages that have less than 32 playSound calls: var AudioPlayer = { cache: {}, play: function(url) { if (!AudioPlayer.cache[url]) AudioPlayer.cache[url] = new Audio(url); AudioPlayer.cache[url].play(); } }; But this will not work for what I want to do (dynamically replace a div with other content (from separate files), which have even more sounds on them - 1. memory usage would easily skyrocket, 2. many sounds will never play). I need a way to release the sound immediately. Is it possible to do this? I have found no free/close/unload method for the Audio interface. The pages will be viewed locally, so the constant loading of sounds is not a big factor at all (and most sounds are rather short).

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  • Using themed css files requires a header control on the page. (e.g. <head runat="server" />).

    - by wide
    in local it works. when i load server, i got this error. Using themed css files requires a header control on the page. (e.g. <head runat="server" />). Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: Using themed css files requires a header control on the page. (e.g. <head runat="server" />). Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [InvalidOperationException: Using themed css files requires a header control on the page. (e.g. <head runat="server" />).] System.Web.UI.PageTheme.SetStyleSheet() +2458406 System.Web.UI.Page.OnInit(EventArgs e) +8699420 System.Web.UI.Control.InitRecursive(Control namingContainer) +333 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +378 -------------------------------------album1.aspx------------------ <%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="album1.aspx.cs" Inherits="album1" Title="Özkan Köylü | Albüm" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <script src="scripts/Silverlight.js" type="text/javascript"></script> <script src="scripts/Default_html.js" type="text/javascript"></script> <script src="scripts/Page.xaml.js" type="text/javascript"></script> <script src="scripts/gallery.js" type="text/javascript"></script> <div align="center" id="SilverlightControlHost"> <script type="text/javascript"> createSilverlight(); </script> </div> </asp:Content>

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  • Why does gcc generate verbose assembly code?

    - by Jared Nash
    I have a question about assembly code generated by GCC (-S option). Since, I am new to assembly language and know very little about it, the question will be very primitive. Still, I hope somebody will answer: Suppose, I have this C code: main(){ int x = 15; int y = 6; int z = x - y; return 0; } If we look at the assembly code (especially the part corresponding to int z = x - y ), we see: main: ... subl $16, %esp movl $15, -4(%ebp) movl $6, -8(%ebp) movl -8(%ebp), %eax movl -4(%ebp), %edx movl %edx, %ecx subl %eax, %ecx movl %ecx, %eax movl %eax, -12(%ebp) ... Why doesn't GCC generate something like this, which is less copying things around. main: ... movl $15, -4(%ebp) movl $6, -8(%ebp) movl -8(%ebp), %edx movl -4(%ebp), %eax subl %edx, %eax movl %eax, -12(%ebp) ... P.S. Linux zion-5 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686 GNU/Linux gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5)

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  • Is the Unicode prefix N still needed in SQL Compact Edition?

    - by Dave
    At least in previous versions of SQL Server, you had to prefix Unicode string constants with an "N" to make them be treated as Unicode. Thus, select foo from bar where fizz = N'buzz' (See "Server-Side Programming with Unicode" for SQL Server 2005 "from the horse's mouth" documentation.) We have an application that is using SQL Compact Edition and I am wondering if that is still necessary. From the testing I am doing, it appears to be unneeded. That is, the following SQL statements both behave identically in SQL CE, but the second one fails in SQL Server 2005: select foo from bar where foo=N'???' select foo from bar where foo='???' (I hope I'm not swearing in some language I don't know about...) I'm wondering if that is because all strings are treated as Unicode in SQL CE, or if perhaps the default code page is now Unicode-aware. If anyone has seen any official documentation, either yea or nay, I'd appreciate it. I know I could go the safe route and just add the "N"'s, but there's a lot of code that will need changed, and if I don't need to, I don't want to! Thanks for your help!

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  • Ajax Javascript method cannot be called

    - by blackmage
    I made this method to load javascript functions dynamically. It does include the .js file but when I call a method, the method says that it is undefinited. The following to .js files are ajax_object.js and user_manager.js . The alert outside the function is read and works but the alert inside does not. enter code here //ajax_object.js //Load a javascript library function loadJavascript( src, url ){ XMLHttpRequestObject=getXmlHttpRequestObject(); if( XMLHttpRequestObject){ XMLHttpRequestObject.onreadystatechange = function() { if (XMLHttpRequestObject.readyState == 4 ){ if (XMLHttpRequestObject.status == 200 || XMLHttpRequestObject.status == 304) { includeJavaScript( src, url, XMLHttpRequestObject.responseText ); } } } } XMLHttpRequestObject.open('GET', url, true); XMLHttpRequestObject.send(null); }//end LoadJavaScript //Add Library to header function includeJavaScript(src, fileUrl, xmlObject) { if ( ( xmlObject != null ) && ( !document.getElementById( src ) ) ){ var documentHead = document.getElementsByTagName('HEAD').item(0); var includeScript = document.createElement( "script" ); includeScript.language = "javascript"; includeScript.type = "text/javascript"; //includeScript.id = src; includeScript.src=fileUrl.concat(src); includeScript.defer = true; includeScript.text = xmlObject; documentHead.appendChild( includeScript ); } } //user_manager.js //First alert is read alert("Outside User Manager"); function selectUserManagerModuleType(){ XMLHttpRequestObject=getXmlHttpRequestObject(); //This doesn't work //throws selectUserManagerModuleType undefined alert("Inside The User Manager"); }

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