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  • Compare text with innerHTML IE7 problem

    - by Beefo
    I can't find a work around for the innerHTML bug in IE7. I need to look at the contents of dynamicly generated HTML and change it if the text is "-1". I'm using the prototype js gallery but couldn't find a fix. Any ideas? JS: <script language="javascript" type="text/javascript"> Event.observe(window, 'load', function () { var num = 1; var allAccountInfoItems = $A('accountInfoItem'); var numofElements = (allAccountInfoItems.length); for (var x = 0; x < numofElements; x++ ) { var oldHTML = $('accountInfo').innerHTML; var newHTML = "Unlimited"; if (oldHTML == "-1") { $('accountInfo').update(newHTML); } var oldId = $('accountInfo').id; var numPlus = num++; $('accountInfo').id = oldId + numPlus; } }); </script>

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  • Will PHP script running on top of Apache be faster than C# stand alloun programm doing same thing (s

    - by Ole Jak
    I mean PHP scripts on Apache are oriented for many users to use tham at the same time. So will 1000 requests which came at the (relativly) same time be fully responsed faster than C# .Net programm perfoming algorithm 1000 times in while loop? So we input same data, we perform same algorithm, which is written in a wary same way (respecting language diferencis ofcourse), outputing same data (lat us say saving it to file for tham to be relativly equal) Who will be faster on some 1000 times of performing O(NN) algorithm, in which case (if it is possible) one will owerrun another?

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  • java multiple connections between server and one client

    - by user1507128
    I'm trying to make like a skype-instant messager, my idea for it is to have one server which handles multiple connections for the clients. What I now have is a friend list etc, but now I want to create Threads both for server and client to handle a conversation. The problem is that I need multiple connections between a server and one client for every conversation(I think). but i dont think it's possible. Does someone have another way for doing this or maybe a way to make multiple connections between the server and a client? Thanks for helping me out PS: English is not my main language so please excuse me for my grammar.

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  • Initializing a value through a Session variable

    - by William Calleja
    I need to Initialize a value in a Javascript by using a c# literal that makes reference to a Session Variable. I am using the following code <script type="text/javascript" language="javascript" > var myIndex = <%= !((Session["myIndex"]).Equals(null)||(Session["myIndex"]).Equals("")) ? Session["backgroundIndex"] : "1" %>; However the code above is giving me a classic Object reference not set to an instance of an object. error. Why? Shouldn't (Session["myIndex"]).Equals(null) capture this particular error?

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  • Protocols/Interfaces in Ruby

    - by fifigyuri
    While coding in Ruby I did not really miss the type-orientedness of Java or C++ so far, but for some cases I think it is useful to have them. For Python there was a project PyProtocols which defined interfaces and protocols for objects. Does a similar initiative also exist for Ruby? I would like to be able to declare the expected parameters for some methods for some objects (for the entire code I find such think useless). It the method during the execution receives an unexpected input, it tries to adapt it or if it cannot, it throws an exception. Does something similar exist for Ruby? Introducing types for a type-less language like Ruby might sound freak, but I think types are sometimes useful. Thanks for help.

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  • ASP.NET MVC CHECKBOXES PROBLEM

    - by mazhar
    CONTROLLER public ActionResult Index() { GroupRepository grouprepository = new GroupRepository(); ViewData["Group"] = grouprepository.FindGroups(); return View(); } <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" % <% foreach (Group i in ViewData["Group"] as List) { % " checked="checked" / <% } % The thing is that it is not able to find group id and displaying the following error. What is the solution? CS1061: 'System.Text.RegularExpressions.Group' does not contain a definition for 'int_GroupId' and no extension method 'int_GroupId' accepting a first argument of type 'System.Text.RegularExpressions.Group' could be found (are you missing a using directive or an assembly reference?)

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  • Approaches to a week long camp programming course (tips & projects)

    - by Good Person
    I will be teaching a week long programming course to kids between the ages of 11-18. Most of the kids have no programming experience. I'm looking for two things 1) General tips for teaching a camp class (how to make it fun when explaining the difference between int and float) 2) Interesting projects that the kids will be able to complete by the end of the week. Unfortunately the language I'll be required to use is either c++ or Java which means that I'll need to spend more time on itty bitty details than I'd like in a week long course. I feel more competent in c++ than in Java. However if someone can show me that Java is much easier to learn I'll probably teach that instead. My initial idea is to try something like "a game a day" with games like hangman, tic-tac-toe, guess-a-number, wheel-of-fortune, etc. I'll try and update the question text as answers come in to offer more details While there are other questions about teaching programming around I'm looking for advice and tasks that are useful for specifically a week long camp

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  • How can I test if an input field contains foreign characters?

    - by zeckdude
    I have an input field in a form. Upon pushing submit, I want to validate to make sure the user entered non-latin characters only, so any foreign language characters, like Chinese among many others. Or at the very least test to make sure it does not contain any latin characters. Could I use a regular expression for this? What would be the best approach for this? I am validating in both javaScript and in PHP. What solutions can I use to check for foreign characters in the input field in both programming languages?

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  • How to use Externel Procedures in Triggers on Oracle 11g..

    - by RBA
    Hi, I want to fire a trigger whenever an insert command is fired.. The trigger will access a pl/sql file which can change anytime.. So the query is, if we design the trigger, how can we make sure this dynamic thing happens.. As during the stored procedure, it is not workingg.. I think - it should work for 1) External Procedures 2) Execute Statement Please correct me, if I am wrong.. I was working on External Procedures but i am not able to find the way to execute the external procedure from here on.. SQL> CREATE OR REPLACE FUNCTION Plstojavafac_func (N NUMBER) RETURN NUMBER AS 2 LANGUAGE JAVA 3 NAME 'Factorial.J_calcFactorial(int) return int'; 4 / @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ SQL> CREATE OR REPLACE TRIGGER student_after_insert 2 AFTER INSERT 3 ON student 4 FOR EACH ROW How to call the procedure from heree... And does my interpretations are right,, plz suggest.. Thanks.

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  • Substitute all matches with values in Ruby regular expression

    - by Lewisham
    Hi all, I'm having a problem with getting a Ruby string substitution going. I'm writing a preprocessor for a limited language that I'm using, that doesn't natively support arrays, so I'm hacking in my own. I have a line: x[0] = x[1] & x[1] = x[2] I want to replace each instance with a reformatted version: x__0 = x__1 & x__1 = x__2 The line may include square brackets elsewhere. I've got a regex that will match the array use: array_usage = /(\w+)\[(\d+)\]/ but I can't figure out the Ruby construct to replace each instance one by one. I can't use .gsub() because that will match every instance on the line, and replace every array declaration with whatever the first one was. .scan() complains that the string is being modified if you try and use scan with a .sub()! inside a block. Any ideas would be appreciated!

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  • Browsed Time Problem.

    - by aamir Fayyaz
    I want to display the browsed time of a user, But when i refresh it, it will be again start from 0:0:0. How can it handle? <?php $total_mints=($live_match['match_name']) * (60); ?> <script language="javascript"> display_c(<?=$total_mints?>,'ct'); </script> <script type="text/javascript"> function display_c(start,div){ window.start = parseFloat(start); var end = 0 // change this to stop the counter at a higher value var refresh=1000; // Refresh rate in milli seconds if(window.start >= end ){ mytime=setTimeout("display_ct('"+div+"')",refresh) } else {alert("Time Over ");} </script>

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  • How to pass an anonymous array of strings to a JavaScript function?

    - by abatishchev
    I want to pass to an array of controls' IDs to a javascript script function so it will switch control's enable state. For example, in C# it would be like this: func(false, new[] { "Control1", "Control2", "Control3" }); In that function I want to find corresponding controls and disable/enable them. For one control I do this next way: <script type="text/javascript" language="javascript"> function switchControls(value, arr) { for (var n = 0; n < array.length; n++) document.getElementById(n).disabled = value; } </script> <asp:CheckBox runat="server" onclick="switchControls(this.checked, [ '<%= Control1.ClientID %>', '<%= Control2.ClientID %>' ])" Text="Take?" /> How to implement this properly? Have I to use jQuery?

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  • How do I erase printed characters in a console application(Linux)?

    - by Binny V A
    Hi all, I am creating a small console app that needs a progress bar. Something like... Conversion: 175/348 Seconds |========== | 50% My question is, how do you erase characters already printed to the console? When I reach the 51st percentage, I have to erase this line from the console and insert a new line. In my current solution, this is what happens... Conversion: 175/348 Seconds |========== | 50% Conversion: 179/348 Seconds |========== | 52% Conversion: 183/348 Seconds |========== | 54% Conversion: 187/348 Seconds |=========== | 56% Code I use is... print "Conversion: $converted_seconds/$total_time Seconds $progress_bar $converted_percentage%\n"; I am doing this in Linux using PHP(only I will use the app - so please excuse the language choice). So, the solution should work on the Linux platform - but if you have a solution that's cross platform, that would be preferable.

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  • Why do so many people dislike C++?

    - by General K
    Beginners and professional, on blogs, in forums and chatrooms - people say it everywhere: C++ oh dear god no The short form of the question: For what reason is C++ so widely disliked and people are horrified by the imagination of using it for some project? I have been using a lot of different languages, including C++ by now, and I can only say that I really like it. I'm far more horrified by Delphi than by C++. Actually, I find it's an almost perfect, compiled language! I've been doing a lot of different projects in C++ as well, ranging from 3D video games to webservers and emulators for old video game consoles. And I still do not see the problem everyone else seems to have with it!

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  • switching to C++11

    - by camelord
    Hi there, first of all, sorry for my englisch. I am from germany. We are going to start a long lasting project and use C++ as programming language. I read of C++0x is gonna come out 2011 so its called C++11. When C++11 comes out, we will still be developing the software of the project. Is it possible to use allready any features of the new C++ standard to able to - code faster than with the old C++ and - switch easily when the new standard arrives? best regards camelord

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  • Avoiding sub-type selection in view code

    - by John Donoghue
    Hi, I have some code where the model contains some classes like (vb.net pseudocode, but could be any OO language): Enum AttributeType Boolean Date String End Enum MustInherit Class Attibute Must Override Function Type As AttributeType End Class Class BooleanAttribute: Attribute Function Type As AttributeType Return AttributeType.Boolean End Function End Class And the view contains some code like: Select Case AttributeType Case Boolean //Display checkbox control Case Date //Display date picker control Case String //Display textbox control End Select I don't really like the code in the view, for the hopefully obvious reasons (what happens when I get a new attribute type etc). My question is, how should I replace it? I could easily add a method to the concrete classes, but that pollutes the model with UI stuff so that's a horrible idea. I could move the select into a factory, but that seems to be just hiding the problem. Can anybody advise a better approach?

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  • Can someone help me understand why this is happening?

    - by Juan Manuel Formoso
    I just run into the weirdest thing I've ever encounter. Consider this test page: <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title></title> <script language=javascript> function test(myParameter) { alert(myParameter); } </script> </head> <body> <input type="button" value="Strange" onclick="javascript: test(044024);" /> <input type="button" value="Ok" onclick="javascript: test('044024');" /> </body> </html> If I click the "strange" button, I get 18452, if I click the "ok" button I get 044024 Does anyone know what is happening and explain it to me?

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  • control.focus() after selectedIndexChanged

    - by kyle
    I need to focus on a textbox after an item has been selected from a dropdownlist. I've tried control.focus() and setfocus(). The last thing I've tried was Set_Focus(dtbEffectiveDate.ClientID) inside the SelectedIndexChanged method with the folowing method. Protected Sub Set_Focus(ByVal ControlName As String) Dim strScript As String strScript = "<script language=javascript> window.setTimeout(""" + ControlName + ".focus();"",0); </script>" RegisterStartupScript("focus", strScript) End Sub I'm out of answers so any help would be awesome.

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  • PHP editors for Ubuntu

    - by mepo
    What are the Light weight PHP editors available for ubuntu? And is there a ubuntu version of the Notepad++ editor. For those who haven't used Notepad++, do not confuse it with Notepad.exe. Notepad.exe is the lightweight Windows editor by Microsoft. Notepad++ is an Open Source programmer's text editor for Windows based on SciTE. It has syntax highlighting, code collapsing, language recognition, macro recording, regular expression search and replace across line breaks and in files on disk, copy filenames and paths to clipboard, and many other advance text editing tools. Only the more full-featured editors for Linux would be likely to be suitable replacements for Notepad++. Thanks

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  • Are there alternative ways to implementing an "active link" navigation without using server side languages?

    - by Mel
    By "active" I mean to have the link pointing to the current page classed as "active." This way the link's appearance can be modified using css. Is it possible to implement an active link navigation without using a server side language? I would like to only use CSS/HTML/jQuery if possible. If there are, what are those methods? Assuming you want to create the following structure: <ul id="nav"> <li class="active">Home</li> <li>About</li> <li>Contact</li> </ul>

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  • Can I work with Visual Studio Project and Solution files in a team using Subversion?

    - by flyx
    We're a team of students doing a software project. As some of us don't use Windows, but the product needs to run on Windows and .NET, we want to develop on MonoDevelop and Visual Studio which both use Visual Studio files; language of choice is C#. My question is: Can we check in the solution and project files into our repository without the possibility of severe conflicting problems? Example: Two guys add a new file to the same project, save and commit their changes. Will the project file get a conflict?

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  • Why are Objective-C instance variables declared in an interface?

    - by Chase
    I'm just getting into Objective-C (Java is my primary OO language). Defining an object's instance variables in the interface instead of the class seems strange. I'm used to an interface being a public API definition with nothing besides method signatures (not counting constants here). Is there some reason that state is defined in an interface (even if it is private) and behaviour is defined in a class. It just seems odd that since objects are state+behavior that the definition would be split into two separate places. Is it a design benefit is some way? A pain in the rear issue that you are just forced to deal with in Objective-C? A non-issue, just different? Any background on why it's done this way? Or can you put object state in a class and I just haven't hit that part in my book yet?

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  • Need help with some C# Counting Code

    - by kaywai
    Hi, I'm trying to code a counter in Ninjatrader which uses C# as its programming language. I would like this counter to commence counting upon the completion of the first counter and once it commences counting to consider only the new condition when counting. So, the first counter commences when Close[0] < Close[4]. The second counter commences ONLY after the first counter has reached 9 and its condition for counting is Close[0] <= Low[2]. I don't know how to write the part of the code where the second counter commences counting and its counts are independent of the first counter reaching 9.

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  • Why are regular expressions such a complicated, cryptic mess?

    - by steffenj
    Often when I see regular expressions, I only see a total mess of characters. Why does it have to be this way? I guess what I really want to know is: are there alternatives to regular expressions that basically do the same thing but are implemented in a human readable language? [UPDATE] Thanks for all the great responses and inspiration! I wanted to highlight this particular link which shows how a (working) alternative would look like, which may also be a good starting point for learning or "simple" regex expressions. But you also quickly get a feel for the verbosity tradeoff.

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  • If I start learning C on Ubuntu will it give me an edge when I start learning Objective-C later this

    - by Anonymous
    I know Ruby right now, however I want to learn a new language. I am running Ubuntu 10.04 right now but I am going to get a Mac later this summer. Anyways I want something more for GUI development. I was wondering if I should learn C on Ubuntu right now, and then learn Objective-C when I get an iMac? Will learning C give me an edge? Or should I just learn Python on Ubuntu and then learn Objective-C when I get a new computer? Please give me your opinions! Thanks!

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