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  • Login Script for PostGreSQL and PHP not working =[

    - by MrEnder
    Ok I'm quite new at logins what not so bare with me here lol but I gota learn so don't discourage me. I tried this so far <?php $error = ""; $conn = pg_connect("host=localhost dbname=brittains_db user=brittains password=XXXX" ); $sql = "SELECT * FROM logins"; $result = pg_query($conn, $sql); if($_SERVER["REQUEST_METHOD"] == "GET") { $userName=""; $password=""; } else if($_SERVER["REQUEST_METHOD"] == "POST") { $userName=trim($_POST["userNameLogin"]); $password=trim($_POST["passwordLogin"]); if(pg_fetch_result($results, $userName, "userName")==true && pg_fetch_result($results, $password, "userName")==true) { setcookie("userIDforDV", $userName, time()+43200); } else { $error = "Your username and or password is incorrect"; } } $userName = $_COOKIE['userIDforDV']; if(isset($userName) && $userName!="") { echo "Welcome " . $userName; } echo $error; ?> <form> <table> <tr> <td class="signupTd"> User Name:&nbsp; </td> <td> <input type="text" name="userNameLogin" value="" size="20" /> </td> </tr> <tr> <td class="signupTd"> Password:&nbsp; </td> <td> <input type="password" name="passwordLogin" value="" size="20" /> </td> </tr> <tr> <td class="signupTd" colspan="2"> <input type="submit" name="submit" value="Submit"/> </td> </tr> </table> </form> that was the idea I came up with... but its prolly a really bad idea and it doesn't work... how might I go about this properly? I need really detailed descriptions please. Thanks a tun Shelby

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  • Tricky string transformation (hopefully) in LINQ

    - by Larsenal
    I'm hoping for a concise way to perform the following transformation. I want to transform song lyrics. The input will look something like this: Verse 1 lyrics line 1 Verse 1 lyrics line 2 Verse 1 lyrics line 3 Verse 1 lyrics line 4 Verse 2 lyrics line 1 Verse 2 lyrics line 2 Verse 2 lyrics line 3 Verse 2 lyrics line 4 And I want to transform them so the first line of each verse is grouped together as in: Verse 1 lyrics line 1 Verse 2 lyrics line 1 Verse 1 lyrics line 2 Verse 2 lyrics line 2 Verse 1 lyrics line 3 Verse 2 lyrics line 3 Verse 1 lyrics line 4 Verse 2 lyrics line 4 Lyrics will obviously be unknown, but the blank line marks a division between verses in the input.

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  • Cannot convert const char * to char *

    - by robUK
    Hello, Visual Studio c++ 2005 I am getting an error on the last line of this code. int Utils::GetLengthDiff ( const char * input, int & num_subst ) { int num_wide = 0, diff = 0 ; const char * start_ptr = input ; num_subst = 0 ; while ( ( start_ptr = strstr ( start_ptr, enc_start ) ) != NULL ) { char * end_ptr = strstr ( start_ptr, enc_end ); // Error So I changed the line to this and it worked ok const char * end_ptr = strstr ( start_ptr, enc_end ); So why would I need to declare end_ptr as a const as well? Many thanks,

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  • Sample Code and Slides from DevConnection Germany

    - by Stephen Walther
    Thank you everyone who came to my three talks this week at DevConnections Germany!  I really enjoyed my time in Karlsruhe. Here are the slides and sample code for the three talks:   jQuery Templates In this talk, I discuss how you can take advantage of jQuery templates when building both ASP.NET Web Forms and ASP.NET MVC applications. I demonstrate several advanced features of templates such as wrapped templates and remote templates. Download the slides Download the code   HTML5 In this talk, I discuss the features of HTML5 which matter most when building database-driven web applications. I demonstrate WebSockets, Web Workers, Web Storage, IndexedDB, and Offline Web Applications. Download the slides Download the code   jQuery + OData In this talk, I demonstrate how you can build entire web applications by taking advantage of jQuery and OData. I demonstrate how you can use jQuery and OData to both query and update database data. I also discuss two approaches for supporting validation. Download the slides Download the code

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  • To find first N prime numbers in python

    - by Rahul Tripathi
    Hi All, I am new to the programming world. I was just writing this code in python to generate N prime numbers. User should input the value for N which is the total number of prime numbers to print out. I have written this code but it doesn't throw the desired output. Instead it prints the prime numbers till the Nth number. For eg.: User enters the value of N = 7. Desired output: 2, 3, 5, 7, 11, 13, 19 Actual output: 2, 3, 5, 7 Kindly advise. i=1 x = int(input("Enter the number:")) for k in range (1, (x+1), 1): c=0 for j in range (1, (i+1), 1): a = i%j if (a==0): c = c+1 if (c==2): print (i) else: k = k-1 i=i+1

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  • C#: Windows Forms: Getting keystrokes in a panel/picturebox?

    - by Rosarch
    I'm making a level editor for a game using windows forms. The form has several drop down menus, text boxes, etc, where the user can type information. I want to make commands like CTRL + V or CTRL + A available for working within the game world itself, not text manipulation. The game world is represented by a PictureBox contained in a Panel. This event handler isn't ever firing: private System.Windows.Forms.Panel canvas; // ... this.canvas = new System.Windows.Forms.Panel(); // ... this.canvas.PreviewKeyDown += new System.Windows.Forms.PreviewKeyDownEventHandler(this.canvas_PreviewKeyDown); What is the preferred way of doing this? Can a panel even receive keyboard input? I would like to allow the user to use copy/paste/select-all commands when working with the text input, but not when placing objects in the game world.

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  • using Awk inside Perl script

    - by papoyan
    My first question in stackoverflow! I'm having trouble using the following code inside my perl script, any advise is really appreciated, how to correct the syntax? # If I execute in bash, it's working just fine bash$ whois google.com | egrep "\w+([._-]\w)*@\w+([._-]\w)*\.\w{2,4}" |awk ' {for (i=1;i<=NF;i++) {if ( $i ~ /[[:alpha:]]@[[:alpha:]]/ ) { print $i}}}'|head -n1 [email protected] #----------------------------------- #but this doesn't work bash$ ./email.pl google.com awk: {for (i=1;i<=NF;i++) {if ( ~ /[[:alpha:]]@[[:alpha:]]/ ) { print }}} awk: ^ syntax error # Here is my script bash$ cat email.pl ####\#!/usr/bin/perl $input = lc shift @ARGV; $host = $input; my $email = `whois $host | egrep "\w+([._-]\w)*@\w+([._-]\w)*\.\w{2,4}" |awk ' {for (i=1;i<=NF;i++) {if ( $i ~ /[[:alpha:]]@[[:alpha:]]/ ) { print $i}}}'|head -1`; print my $email; bash$ Thank you in advance !

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  • Help with linq to sql compiled query

    - by stackoverflowuser
    Hi I am trying to use compiled query for one of my linq to sql queries. This query contains 5 to 6 joins. I was able to create the compiled query but the issue I am facing is my query needs to check if the key is within a collection of keys passed as input. But compiled queries do not allow passing of collection (since collection can have varying number of items hence not allowed). For instance input to the function is a collection of keys. Say: List<Guid> InputKeys List<SomeClass> output = null; var compiledQuery = CompiledQueries.Compile<DataContext, IQueryable<SomeClass>>( (context) => from a in context.GetTable<A>() where InputKeys.Contains(a.Key) select a); using(var dataContext = new DataContext()) { output = compiledQuery(dataContext).ToList(); } return output; Is there any work around or better way to do the above?

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  • Asp.net MVC Label For

    - by Jaimal Chohan
    I have the following <label for="Forename">Forename</label> <%= Html.TextBoxFor(m => m.Customer.Name.Forename) %> the problem with this is that this is rendered as <label for="AddressLine1">Address Line 1</label> <input type="text" value="" name="Customer.Address.Thoroughfare" id="Customer_Address_Thoroughfare"> not what I want ofc. I would like an extension to render the label correctly (i.e. with the for="" attribute having the value of the input id), is there anything in MVC 2 that does this nativly before I go writing my own extension?

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  • Circular Shifts on Strings in Bash

    - by Kyle Van Koevering
    I have a homework assignment where I need to take input from a file and continuously remove the first word in a line and append it to the end of the line until all combinations have been done. I really don't know where to begin and would be thankful for any sort of direction. The part that has me confused is that this is suppose to be performed without the use of arrays. I'm not just fishing for someone to solve the problem for me, I'm just looking for some direction. Thank you very much for your time and help. SAMPlE INPUT: Pipes and Filters Java Swing Software Requirements Analysis SAMPLE OUTPUT: Analysis Software Requirements Filters Pipes and Java Swing Pipes and Filters Requirements Analysis Software Software Requirements Analysis Swing Java

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  • Get graphics information from font file. How to develop font parser similar to PDFView's font parser

    - by HBA
    Hi, I am trying to convert text into graphics using c#. My input is character string and output is bitmap with the input text. After lot of search I found some ways to do it, I found some techiques which uses this kind of techinque. For Example While creating Captcha, we have to print the character in the bitmap. But for that I should have the font installed in my windows. I can not perform such operation without installing the font. I have .ttf file with me but I dont want to install it because my work for that font is temporary only. Is there any way where I can extract out the Font's graphical information by providing the Character? I have also found font parser code http://swinglabs.java.sun.com/hudson/job/PDFRenderer%20Weekly%20Build/javadoc/com/sun/pdfview/font/package-summary.html Can anyone please provide me how to develpo similar thing using c#.Net? Or From where can I get the algorithm to parce font?

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  • Backbone.js, Rails and code duplication

    - by Matteo Pagliazzi
    I'm building a web app and I need a JS framework like Backbone.js to work with my backend rovided by Rails that mostly return JSON objects after DB queries. Searching on the web I've discovered Backbone which seems to be complete, quite populare and actively developed but I've noticed that a lot of things done by Backbone are simply a duplicte of the works done by Rails: for example validation and models. My idea of "perfect" (for my actual needs) JS mvc (it can't be called mvc but i don't have any other names) is something really simple that has a function for each action in my Rails controller that are triggered by a specific event (user/hash changes, click on a button...) and send requests to the server that respond with a JSON object then I'll load a template or execute some JS code. Do you have any concern/suggestion about my idea? Do you know some "micro" js framework like what i have described? If you have worked with backone.js + rails what can you suggest me?

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  • Open Source on .NET evening at UK Tech Days April 14th #uktechdays

    - by Eric Nelson
    That fine chap http://twitter.com/serialseb is pulling together an interesting evening of fun on the Wednesday in London and I for one will definitely be there. Lots of goodness to learn about. If you are a .NET developer who still isn’t looking at Open Source, then the 14th is a great opportunity to see what you are missing out on. Current program: OpenRasta - A web application framework for .net An introduction to IoC with Castle Windsor FluentValidation, doing your validation in code CouchDB, NoSQL: designing document databases Testing your asp.net applications with IronRuby Building a data-driven app in 15 minutes with FluentNHibernate Register now Related Links: FREE Windows Azure evening in London on April 15th including FREE access to Windows Azure

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  • Routing and URI parsing in Codeigniter

    - by bobo
    I have a route defined in CI, $route['user/activate-account/:any'] = "user/activate_account"; People access the route in this url pattern, http://mydomain.com/user/activate-account/user_id/12345/token/abcdefghijk Inside the activate_account function, I tried to use the following codes to retrieve the required data, $user_id=$this->input->get('user_id'); $token=$this->input->get('token'); But they return FALSE, does this mean that for this kind of url pattern, I am supposed to use the functions provided by the URI class (http://codeigniter.com/user_guide/libraries/uri.html) to retrieve the variables?

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  • javascript to jquery

    - by Angeline Aarthi
    How do I write the following line which is in javascript in jQuery? var variablename = new functionname('some variable'); This is my js code: var rt = new ResizeableTextbox('myRT'); I need to use this in the following code segment: if($(this).text() =='String') { $("<label id=labelstr"+stringinc+" >"+label+"</label>").appendTo(".menu li"); $("<input id=inputstr"+stringinc+" type= 'text' ></input>").appendTo(".menu li"); //in place of this I need that javascript code. } How do I do that? The function Resizeable is defined in a separate js file. Please help me out.

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  • How do I redirect a page in php

    - by user225269
    I'm having difficulties in the making the logout code for php to work. When I click on the logout button, it will go back to the home page, but when I click on the back button in the browser. I can still access the previous page, wherein the user must be logged on to access it. So I'm thinking of redirecting to the login page when the user clicks on the back button on the browser. This is my code, in the home page(where in no user is logged in yet. This page is being called by a logout link on the user page. <? session_start(); session_destroy(); ?> <table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC"> <tr> <form name="form1" method="post" action="checklogin.php"> <td> <table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> <tr> <td colspan="3"><strong>Member Login </strong></td> </tr> <tr> <td width="78">Username</td> <td width="6">:</td> <td width="294"><input name="myusername" type="text" id="myusername"></td> </tr> <tr> <td>Password</td> <td>:</td> <td><input name="mypassword" type="text" id="mypassword"></td> </tr> <tr> <td>&nbsp;</td> <td>&nbsp;</td> <td><input type="submit" name="Submit" value="Login"></td> </tr> </table> </td> </form> </tr> </table>

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  • XML cross-browser support

    - by 1anthony1
    I need help getting the file to run in Firefox: I have tried adapting scripts so that my file runs in both IE and Firefox but so far it still only works in IE. (The file can be tested at http://www.eyle.org/crosstest.html - simply type the word Mike in the text box using IE (doesn't work in Firefox).The HTML document is: <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> <script type="text/javascript"> var xmlDoc; //loads xml using either IE or firefox function loadXmlDoc() { //test for IE if(window.ActiveXObject) { xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); xmlDoc.async = false; xmlDoc.load("books2.xml"); } //test for Firefox else if(document.implementation && document.implementation.createDocument) { xmlDoc = document.implementation.createDocument("","",null); xmlDoc.load("books2.xml"); } //if neither else {document.write("xml file did not load");} } //window.onload = loadXmlDoc(); var subject; //getDetails adds value of txtField to var subject in outputgroup(subject) function getDetails() { //either this or window.onload = loadXmlDoc is needed loadXmlDoc(); var subject = document.getElementById("txtField1").value; function outputgroup(subject) { var xslt = new ActiveXObject("Msxml2.XSLTemplate"); var xslDoc = new ActiveXObject("Msxml2.FreeThreadedDOMDocument"); var xslProc; xslDoc.async = false; xslDoc.resolveExternals = false; xslDoc.load("contains3books.xsl"); xslt.stylesheet = xslDoc; xslProc = xslt.createProcessor(); xslProc.input = xmlDoc; xslProc.addParameter("subj", subject); xslProc.transform(); document.write(xslProc.output); } outputgroup(subject); } </script> </head> <body> <input type="text" id="txtField1"> <input type="submit" onClick="getDetails(); return false"> </body> </html> The file includes books2.xml and contains3books.xsl (I have put the code for these files at ...ww.eyle.org/books2.xml ...ww.eyle.org/contains3books.xsl) (NB: replace ...ww. with http: // www)

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  • Simple number-to-number (or number-to-hex) encryption algorithm that minimizes # of characters

    - by Clay Nichols
    I need to encrypt a number and I and this encrypted value will be given to a customer ask a key so I want to minimize the number of digits and make them all printable. So I'd like the result to be either all number or all Hex characters. The current encryption method I'm using (for non numbers) converts the characters to hex (2 hex digits each). That doubles the number of characters. I also considered just treating the input as hex (so each pair of numbers is treated as a Hex pair, but then you have ambiguity between an input of 0123 and 123 (when decrypting that leading '0' is lost. Any suggestions?

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  • How to explain to non-technical person why the task will take much longer then they think?

    - by Mag20
    Almost every developer has to answer questions from business side like: Why is going to take 2 days to add this simple contact form? When developer estimates this task, they may divide it into steps: make some changes to Database optimize DB changes for speed add front end HTML write server side code add validation add client side javascript use unit tests make sure SEO is setup is working implement email confirmation refactor and optimize the code for speed ... These maybe hard to explain to non-technical person, who basically sees the whole task as just putting together some HTML and creating a table to store the data. To them it could be 2 hours MAX. So is there a better way to explain why the estimate is high to non-developer?

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  • Generate PDF - how to create paged HTML content beforehand?

    - by Alt_Doru
    My task is to create ready-to-print invoices from a .NET web app. I am already generating the printer-friendly HTML for an invoice - it consists of an invoice header (that will actually need to appear on each printed page) and invoice positions (that may span multiple printed pages). Now, my task is to generate a PDF server-side, populate a header on each of its pages, then populate its pages with invoice positions. I need to generate the PDF from the existing HTML data - by simply passing HTML input to the PDF generator library. I've started using ABCPDF - I am using the AddImageHtml method. The problem I have is that ABCPDF seems to expect me to supply HTML content already paged. So, it won't work correctly when I feed it HTML content that would span on more than 1 PDF page. So, my question is - do you have any suggestions on making this work with ABCPDF? Or, more generally speaking, what other tools/approaches would you use for this - generating PDF doc with headers/footers from HTML input? Thanks

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  • iPhone UIWebView becomeFirstResponder

    - by user505618
    I have an UIWebView with an <input type="text"/> html element in it. I want to focus the input element in the html and show the keyboard on the iPhone programmatically, without tapping the screen. I've tried the following: set the focus from JavaScript (in this case the onFocus JS event will fire but the keyboard won't show up) [webView becomeFirstresponder] (returns NO) set the first subview of the webView to be the firstResponder (returns NO) subclass UIWebView to return YES to canBecomeFirstResponder: (nothing happens) I'm trying to find the solution since yesterday but I couldn't find it. Please help.

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  • How can I extract URLs from plain text with Perl?

    - by Russell C.
    I need the Perl regex to parse plain text input and convert all links to valid HTML HREF links. I've tried 10 different versions I found on the web but none of them seen to work correctly. I also tested other solutions posted on StackOverflow, none of which seem to work. The correct solution should be able to find any URL in the plain text input and convert it to: <a href="$1">$1</a> Some cases other regular expressions I tried didn't handle correctly include: URLs at the end of a line which are followed by returns URLs that included question marks URLs that start with 'https' I'm hoping that another Perl guy out there will already have a regular expression they are using for this that they can share. Thanks in advance for your help!

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  • WPF: Create a dialog / prompt

    - by stefan.at.wpf
    Hello, I need to create a Dialog / Prompt including TextBox for user input. My problem is, how to get the text after having confirmed the dialog? Usually I would make a class for this which would save the text in a property. However I want do design the Dialog using XAML. So I would somehow have to extent the XAML Code to save the content of the TextBox in a property - but I guess that's not possible with pure XAML. What would be the best way to realize what I'd like to do? How to build a dialog which can be defined from XAML but can still somehow return the input? Thanks for any hint!

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  • Some more multitasking java issues

    - by owca
    I had a task to write simple game simulating two players picking up 1-3 matches one after another until the pile is gone. I managed to do it for computer choosing random value of matches but now I'd like to go further and allow humans to play the game. Here's what I already have : http://paste.pocoo.org/show/200660/ Class Player is a computer player, and PlayerMan should be human being. Problem is, that thread of PlayerMan should wait until proper value of matches is given but I cannot make it work this way. When I type the values it sometimes catches them and decrease amount of matches but that's not exactly what I was up to :) Logics is : I check the value of current player. If it corresponds to this of the thread currently active I use scanner to catch the amount of matches. Else I wait one second (I know it's kinda harsh solution, but I have no other idea how to do it). Class Shared keeps the value of current player, and also amount of matches. By the way, is there any way I can make Player and Shared attributes private instead of public and still make the code work ? CONSOLE and INPUT-DIALOG is just for choosing way of inserting values. class PlayerMan extends Player{ static final int CONSOLE=0; static final int INPUT_DIALOG=1; private int input; public PlayerMan(String name, Shared data, int c){ super(name, data); input = c; } @Override public void run(){ Scanner scanner = new Scanner(System.in); int n = 0; System.out.println("Matches on table: "+data.matchesAmount); System.out.println("which: "+data.which); System.out.println("number: "+number); while(data.matchesAmount != 0){ if(number == data.which){ System.out.println("Choose amount of matches (from 1 to 3): "); n = scanner.nextInt(); if(data.matchesAmount == 1){ System.out.println("There's only 1 match left !"); while(n != 1){ n = scanner.nextInt(); } } else{ do{ n = scanner.nextInt(); } while(n <= 1 && n >= 3); } data.matchesAmount = data.matchesAmount - n; System.out.println(" "+ name+" takes "+n+" matches."); if(number != 0){ data.which = 0; } else{ data.which = 1; } } else{ try { Thread.sleep(1000); } catch(InterruptedException exc) { System.out.println("End of thread."); return; } } System.out.println("Matches on table: "+data.matchesAmount); } if(data.matchesAmount == 0){ System.out.println("Winner is player: "+name); stop(); } } }

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  • Stairway to XML: Level 3 - Working with Typed XML

    You can enforce the validation of an XML data type, variable or column by associating it with an XML Schema Collection. SQL Server validates a typed XML value against the rules defined in the schema collection so that INSERT or UPDATE operations will succeed only if the value being inserted or updated is valid as per the rules defined in the Schema Collection. NEW! Deployment Manager Early Access ReleaseDeploy SQL Server changes and .NET applications fast, frequently, and without fuss, using Deployment Manager, the new tool from Red Gate. Try the Early Access Release to get a 20% discount on Version 1. Download the Early Access Release.

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