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  • what's the best way to learn C++ and Qt at the same time?

    - by Daniel Hill
    Hi I did A Google search and couldn't find anything, so I wanna learn Qt/C++ my University (I'm a first year CompSci Student) won't be teaching C++ next year which is a big disappointment I already know Python and dabbled in LaTeX, Javascript, C++ I'm currently helping out a free software project Clementine but it's programmed in Qt/C++ and I don't know enough of both to help out enough. Is there any tips, Tutorial, howtos out there?

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  • Retrieving the Selected value dynamically in JQuery

    - by Chakradhar
    i have this html, this is generated dynamically based on question number <fieldset id="selectfield"> <label class="select">What ur is Profession? </label> <br> <div class="ui-select"><a href="#" role="button" id="72+_select-button" aria-haspopup="true" aria-owns="72+_select-menu" data-theme="c" class="ui-btn ui-btn-icon-right ui-btn-corner-all ui-shadow ui-btn-hover-c ui-btn-up-c"><span class="ui-btn-inner ui-btn-corner-all" aria-hidden="true"><span class="ui-btn-text">Business</span><span class="ui-icon ui-icon-arrow-d ui-icon-shadow"></span></span></a> <select name="selectedObjects" id="72+_select" data-native-menu="false" tabindex="-1"> <option value="-1">--Select--</option> <option value="769">Salaried</option> <option selected="selected" value="770">Business</option> <option value="771">Self Emp</option> </select></div> </fieldset> click button is <div data-theme="c" class="ui-btn ui-btn-corner-all ui-shadow ui-btn-hover-c ui-btn-up-c" aria-disabled="false"><span class="ui-btn-inner ui-btn-corner-all" aria-hidden="true"><span class="ui-btn-text">Next</span></span> <input type="submit" id="72+_b" onclick="return SaveDropDown(this);" value="Next" class="ui-btn-hidden" aria-disabled="false"> </div> i have written this JS in SaveDropDown(this) function SaveDropDown(button) { var fieldsetName = getQuestionName(button.id)+'+_select'; var select = $(fieldsetName +"option:selected").val(); return false; } the questionname function is function getQuestionName(buttonid) { var splitstr = buttonid.split('+'); var fieldsetName = '#' + splitstr[0]; return fieldsetName; } but its returning the undefined how do i retrieve the select value dynamically. any help is appreciated.

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  • jquery: popup menu upon clicking link ?

    - by wefwgeweg
    is there any way to "wait for user action on popupmenu" after an element is clicked ? for example: person A clicks on link. javascript menu popups asking what the user would like to do with this link. user should not be allowed to click anywhere else but the popup menu. after user clicks an action on the menu, the default browser action should happen (ie. link to the next page)

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  • printing dynamically string in one line in python

    - by EngHamoud
    I'm trying to print strings in one line. I've found solutions but they don't works with windows correctly. I have text file contains names and I want to print them like this name=john then change john to next name and keep name=, I've made this code but didn't work correctly with windows: op = open('names.txt','r') print 'name=', for i in op.readlines(): print '\r'+i.strip('\n') thank you for your time

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  • In Java, how do you parse through a single word string?

    - by Fraz
    I'm trying to parse though a string made up of a single word. How would you go about assigning the last letter of the word to a variable? I was thinking of using the Scanner class to parse the word and make each letter an element in an array but it seems Scanner.next() only goes through whole words and not the individual letters. Any help?

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  • Freeradius problem

    - by IceAgeBosna
    Hello my Dear friends! Firstly sorry to my English I am not an expert:) I am using freeradius 2.1.7 and MySQL instaled on Ubuntu server 9.04. Now, the perl script called: "auth.pl" is verifying usersnames, passwords, and updating information. The problem is that on a certain number of connections simply "NAS" - Mikrotik until the next reboot users can not connect. If you need i cann show you auth.pl script

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  • Calling all the 3 functions while using or operator even after returning true as a result.

    - by Shantanu Gupta
    I am calling three functions in my code where i want to validate some of my fields. When I tries to work with the code given below. It checks only for first value until it gets false result. I want some thing like that if fisrt function returns true then it should also call next function and so on. What can be used instead of Or Operator to do this. if (IsFieldEmpty(ref txtFactoryName, true, "Required") || IsFieldEmpty(ref txtShortName, true, "Required") || IsFieldEmpty(ref cboGodown, true, "Required")) { }

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  • jquery and confirmation link button problem

    - by senzacionale
    http://javiercrespoalvez.com/2008/12/aspnet-confirmation-button-using-jquery.html I am using this aspx control but i have problem in updatepanel on aspx confirmation link button. First time i click on link button then i click "yes" and code is executed. Next time i click on any link button code is alwas executed before i click "yes" or "no". I think problem is in jquery nad updatepane...

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  • php, checking correctnes of text splitting

    - by Ferol
    I need to split html document on two parts. First part, should contain N(30) words, and next one should contain everything else. And the main problem, is to prevent splitting tags (description and body of tags). Give me please suggestions (or if you have already written such function, please share your code), how to realize it! Thanks.

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  • CSS: How to display hidden class

    - by Gabriel Meono
    I'm trying to display with css the navigation buttons that are located inside my jquery rotating banner. Which are: <a class="ls-nav-prev" href="#"></a> <a class="ls-nav-next" href="#"></a> For some reason I can't show them, I've tried changing their position, setting a z-index, adding a background-image and color. Here's the website: http://npmaudiovisual.com/esde/ This is what I have: This is what I should have (buttons on corners)

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  • jQuery Validation help

    - by Cameron
    If you look here: http://creathive.net you will see I have an application form down at the bottom of the page and I have added some jQuery validation to make a user fills it out correctly. However what I would like to do is instead of showing all those labels next to the input boxes (which breaks the layout) is just keep it simple and only change the colours of the input fields. How do I do this? Thanks.

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  • C# Get HTML Element Data with Post Back

    - by user303938
    One site would take data from the site var.C # PostBack method.But when the page's source code as submitted does not renewed.Object Can not Be Coming Referanced error.So I do post but the page refresh itself.This post has been displayed next to new data coming from the user how can I get? Thanks...

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  • erlang - startup script

    - by demas
    To start my program I do the next sequence: $ erl > c(module1). > c(module2). > c(modulen). modulen:start(). Is there any possibility to create script that allow me to launch my program ?

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  • ANTLR expressions rewrite intermediate tree

    - by user313856
    For expressions like 3+4 I would like to use the value 7 in an intermediate representation tree. I cannot work out how to get the returns value into a rewrite rule. expression returns [int v]: etc. How do I get expression.v into WR? At the moment I get (+ 3 4), I want (7) |^( WRITE c=expression) - ^(WRINT ^(INTC ^($c)) the next step is to emit 7 in an assembler.

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  • How to quickly learn Python and Ruby frameworks coming from a PHP background.

    - by mdm414
    I've been using CakaPHP and Kohanaphp but now I want to try out other frameworks from a more sophisticated OOP language for my next projects. How can I learn the following frameworks quickly so I can immediately pick what to use: Pylons Sinatra Ramaze Tutorials and examples from online resources would really be great. For php developers who've already underwent this learning experience, please share yours. Thanks

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  • Java program grading

    - by pasito15
    I've been working on this program for hours and I can't figure out how to get the program to actually print the grades from the scores Text file public class Assign7{ private double finalScore; private double private_quiz1; private double private_quiz2; private double private_midTerm; private double private_final; private final char grade; public Assign7(double finalScore){ private_quiz1 = 1.25; private_quiz2 = 1.25; private_midTerm = 0.25; private_final = 0.50; if (finalScore >= 90) { grade = 'A'; } else if (finalScore >= 80) { grade = 'B'; } else if (finalScore >= 70) { grade = 'C'; } else if (finalScore>= 60) { grade = 'D'; } else { grade = 'F'; } } public String toString(){ return finalScore+":"+private_quiz1+":"+private_quiz2+":"+private_midTerm+":"+private_final; } } this code compiles as well as this one import java.util.*; import java.io.*; public class Assign7Test{ public static void main(String[] args)throws Exception{ int q1,q2; int m = 0; int f = 0; int Record ; String name; Scanner myIn = new Scanner( new File("scores.txt") ); System.out.println( myIn.nextLine() +" avg "+"letter"); while( myIn.hasNext() ){ name = myIn.next(); q1 = myIn.nextInt(); q2 = myIn.nextInt(); m = myIn.nextInt(); f = myIn.nextInt(); Record myR = new Record( name, q1,q2,m,f); System.out.println(myR); } } public static class Record { public Record() { } public Record(String name, int q1, int q2, int m, int f) { } } } once a compile the code i get this which dosent exactly compute the numbers I have in the scores.txt Name quiz1 quiz2 midterm final avg letter Assign7Test$Record@4bcc946b Assign7Test$Record@642423 Exception in thread "main" java.until.InputMismatchException at java.until.Scanner.throwFor(Unknown Source) at java.until.Scanner.next(Unknown Source) at java.until.Scanner.nextInt(Unknown Source) at java.until.Scanner.nextInt(Unknown Source) at Assign7Test.main(Assign7Test.java:25)

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  • Picker in UINavigationController

    - by william-hu
    Hi , i use a UIPickerView in my root view of UINavigationController . And i used one button, when i pressed it, pass the data(shows in picker) to the next level view of navigation controller. How should i do this? Thank you!

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  • Hide Crystal Report Header

    - by Chandana De Silva
    Hi all, in my Crystal Report have a Page Header(section Page Header "a" and Page Header "b") and Groupe Header #1 and #2 My problem is, I want to hide Page Header "a" when Group #2 have more records, I want to print records next page without Page Header "a" Please reply me , its an urgent one.. Thanks in advance

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  • if string is alphabetically greater than other string in objective

    - by Jonathan
    I'm trying to use an if statement to work out which of 2 strings comes first alphabetically. Like with numbers and greater and less than: if (1 < 2) { just with strings: if(@"ahello" < @"bhello") { Or would I have to have a string containing all the letters and then check the index of the first char in each string and see which index is greater, and the index that is less than the other comes first in the alphabet and then if they are equal move on to the next char and repeat?

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  • Why did File::Find finish short of completely traversing a large directory?

    - by Stan
    A directory exists with a total of 2,153,425 items (according to Windows folder Properties). It contains .jpg and .gif image files located within a few subdirectories. The task was to move the images into a different location while querying each file's name to retrieve some relevant info and store it elsewhere. The script that used File::Find finished at 20462 files. Out of curiosity I wrote a tiny recursive function to count the items which returned a count of 1,734,802. I suppose the difference can be accounted for by the fact that it didn't count folders, only files that passed the -f test. The problem itself can be solved differently by querying for file names first instead of traversing the directory. I'm just wondering what could've caused File::Find to finish at a small fraction of all files. The data is stored on an NTFS file system. Here is the meat of the script; I don't think including DBI stuff would be relevant since I reran the script with nothing but a counter in process_img() which returned the same number. find(\&process_img, $path_from); sub process_img { eval { return if ($_ eq "." or $_ eq ".."); ## Omitted querying and composing new paths for brevity. make_path("$path_to\\img\\$dir_area\\$dir_address\\$type"); copy($File::Find::name, "$path_to\\img\\$dir_area\\$dir_address\\$type\\$new_name"); }; if ($@) { print STDERR "eval barks: $@\n"; return } } And here is another method I used to count files: count_images($path_from); sub count_images { my $path = shift; opendir my $images, $path or die "died opening $path"; while (my $item = readdir $images) { next if $item eq '.' or $item eq '..'; $img_counter++ && next if -f "$path/$item"; count_images("$path/$item") if -d "$path/$item"; } closedir $images or die "died closing $path"; } print $img_counter;

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  • Insert into textarea | JavaScript

    - by Wayne
    I'm trying to insert the image url where the point of the is to be when editing the textarea value. function addImageURL() { var imageurl = prompt("Enter image URL", "Your name") var post = document.getElementById("message-put").value; document.getElementById('message-put').value = post + '[img]' + imageurl + '[/img]'; } This code grabs the value inside the adds the image url next to it which I don't want, I need it to insert it where the point was when editing the textarea Thanks

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