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  • big O notation algorithm

    - by niggersak
    Use big-O notation to classify the traditional grade school algorithms for addition and multiplication. That is, if asked to add two numbers each having N digits, how many individual additions must be performed? If asked to multiply two N-digit numbers, how many individual multiplications are required? . Suppose f is a function that returns the result of reversing the string of symbols given as its input, and g is a function that returns the concatenation of the two strings given as its input. If x is the string hrwa, what is returned by g(f(x),x)? Explain your answer - don't just provide the result!

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  • Loading Youtube Iframe API with RequireJS

    - by davidgnin
    I'm trying to use the Youtube Iframe API inside a module definded with Require JS. As this API is loaded async and calls a function once is loaded, I used a requireJS plugin called "async", that worked before with google maps api. However, this time something isn't working. My module starts this way: define(['text!fmwk/widgets/video/video.html','fmwk/utils/browser','async!http://www.youtube.com/iframe_api'], function (videoTpl,root) { ... }); and chrome console fires this error: Uncaught Error: Load timeout for modules: async!http://www.youtube.com/iframe_api_unnormalized3,async!http://www.youtube.com/iframe_api http://requirejs.org/docs/errors.html#timeout If I don't use async plugin the object YT or its functions are undefinded, and the same happens if I download the API code. The API is loaded sometimes if I put an script tag in the head tag of the html file. All this is expected, but I don't understand because async plugin fails. Thank you for your attention and help :)

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  • Reflection, invoke

    - by Alaa'
    Hi, I have a dll file, and i took an object from it and called the functions inside this dll by the object, like this way: Command testClass = (Command)assembly.CreateInstance(creatObject); testClass.Execute(); anyway, the i used reflection from some reason. so i need to use invoke function & set values for variables, then calling the basic function Execute. Before: i wrote the following: object returnValue = objectType.GetMethod("setValues").Invoke(classObject, arguments); testClass.Execute(); but it wasnt useful for me. i used the following: object returnValue = objectType.GetMethod("setValues").Invoke(classObject, arguments); object returnValue1 = objectType.GetMethod("Execute").Invoke(classObject, null); i just want to ask if this is right, to calling the execute in this way, and by the way it works! Thank you.

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  • jQuery Validation Engine with Mime

    - by Diego Pucci
    I have this custom rule with tje jQuery validation Engine: "validateMIME": { "func": function(field, rules, i, options){ var fileInput = field[0].files[0]; var MimeFilter = new RegExp(rules[3],'i'); if (fileInput) { return MimeFilter.test(fileInput.type); } else { return true;} }, "alertText": "* Estensione non supportata" }, The problem is that this is working ONLY if the field is required. But in my case the field is not required, but if filled then the Mime type needs to be checked. How do I edit this function to work with non required fields? what's wrong with it? Thanks

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  • how can I retrieve an html document from a url from javascript?

    - by Matt
    Hi, I have a url and I want to retrieve the html dom generated when going to the url (all the code for the page) in a javascript variable. How can I do this? I'm guessing an html get or post? Can anyone give an example with jQuery? Every time I do a $.get or $.post like this: $.get("http://www.google.ca", function(result) { alert(result); alert($(result).html()); }); $.post("http://www.google.ca", function(result) { alert(result); alert($(result).html()); }, "xml"); the first alert in each call comes up blank and the second comes up as null. Any ideas? Thanks, Matt

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  • jQuery / jqgrid / Editing form events

    - by MiBol
    I'm working with the jqGrid and I want to know if exists an event to read a double click in the Editing Form? Has example: I have a grid with ColumnA and ColumnB. I want read the event when the user perform a double click under ColumnB (In the Editing Form). Thanks! I found the solution of my problem ^^ Here is the code, to this example I use the alert "TEST!!!"... [Thanks to Oleg to wake up my mind :P] In the colModel { name: 'Total_uploads', index: 'Total_uploads', width: '100', editable: true, edittype: 'text', editoptions: { size: 10, maxlength: '20', dataInit: function (el) { $(el).click(function () { alert("TEST!!!"); }); } }, editrules: { required: true }, formoptions: { label: 'Total uploads: ', elmsuffix: '&nbsp;&nbsp; <span style="color : #0C66BE; font-family: Calibri">(*)</span>' } }

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  • how to load external xml using air application for flash programmer ?

    - by Ayman
    hi, i have faced this problem couple of days ago, while trying to import an external xml file into an AIR application. import flash.net.URLRequest; var ldr:Loader = new Loader(); var url:String = "http://willperone.net/rss.php"; var urlReq:URLRequest = new URLRequest(url); ldr.load(urlReq); ldr.addEventListener(Event.COMPLETE , function(e) { trace('Wow, completed ...'); }); ldr.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, function(e) { trace('IO_ERROR'); }); and always the IO_ERROR shows up. may i do it wrong or something needs a little of configuration, so please help

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  • jQuery: detecting reaching bottom of scroll doesn't work, only detects the top! :(

    - by Jack Webb-Heller
    Hi folks! So basically my problem is a seemingly simple one. You can see it in action at http://furnace.howcode.com (please note that data is returned via Ajax, so if nothing happens give it a few moments!). What's MEANT to happen, is in the second column when you reach the bottom of scrolling, the next 5 results are returned. But what actually happens is it only returns the 5 results when you hit the TOP of the scroll area. Try it: scroll down, nothing happens. Scroll back up to the top, the results are returned. What's going wrong? Here's my code I'm using: $('#col2').scroll(function(){ if ($('#col2').scrollTop() == $('#col2').height() - $('#col2').height()){ loadMore(); } }); loadMore(); is the function that gets the data and appends it. So what's going wrong here? Thanks for your help! Jack

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  • compiler warning at C++ template base class

    - by eike
    I get a compiler warning, that I don't understand in that context, when I compile the "Child.cpp" from the following code. (Don't wonder: I stripped off my class declarations to the bare minuum, so the content will not make much sense, but you will see the problem quicker). I get the warning with VS2003 and VS2008 on the highest warning level. The code AbstractClass.h : #include <iostream> template<typename T> class AbstractClass { public: virtual void Cancel(); // { std::cout << "Abstract Cancel" << std::endl; }; virtual void Process() = 0; }; //outside definition. if I comment out this and take the inline //definition like above (currently commented out), I don't get //a compiler warning template<typename T> void AbstractClass<T>::Cancel() { std::cout << "Abstract Cancel" << std::endl; } Child.h : #include "AbstractClass.h" class Child : public AbstractClass<int> { public: virtual void Process(); }; Child.cpp : #include "Child.h" #include <iostream> void Child::Process() { std::cout << "Process" << std::endl; } The warning The class "Child" is derived from "AbstractClass". In "AbstractClass" there's the public method "AbstractClass::Cancel()". If I define the method outside of the class body (like in the code you see), I get the compiler warning... AbstractClass.h(7) : warning C4505: 'AbstractClass::Cancel' : unreferenced local function has been removed with [T=int] ...when I compile "Child.cpp". I do not understand this, because this is a public function and the compiler can't know if I later reference this method or not. And, in the end, I reference this method, because I call it in main.cpp and despite this compiler warning, this method works if I compile and link all files and execute the program: //main.cpp #include <iostream> #include "Child.h" int main() { Child child; child.Cancel(); //works, despite the warning } If I do define the Cancel() function as inline (you see it as out commented code in AbstractClass.h), then I don't get the compiler warning. Of course my program works, but I want to understand this warning or is this just a compiler mistake? Furthermore, if do not implement AbsctractClass as a template class (just for a test purpose in this case) I also don't get the compiler warning...?

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  • Using boost.python to import a method with opencv calls but failing due to symbols not being found a

    - by nmz787
    So I don't have the code right now, as I am not home... but i used the boost library for python in C++ to allow python to access a function called something like loadImageIntoMainWindow(string filepath) in the C++ source code the method calls opencv methods that are imported at the top of the file, I included opencv in my Jamroot file, and also found a way to compile and link manually on the command line... in either case when I run my python file it complains that the symbols aren't found for the first function call to an opencv method... I will update as soon as I get home with the C++, the command line compilation lines, the Jamroot, and the python files

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  • Google Maps within a dynamically loaded jquery Accordion

    - by marr75
    I'm trying to load a google map within a jquery ui accordion with contents loaded by ajax. $("h2", "#accordion").click(function(e) { var contentDiv = $(this).next("div"); if (contentDiv.children().length == 1) { contentDiv.load($(this).find("a").attr("href")); contentDiv.ready(function(){ var latlng = new google.maps.LatLng(-34.397, 150.644); var myOptions = { zoom: 8, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); }) } }); That's my current code (Google Maps API V3), but it redirects to the url of the href when I click currently, obviously with no google map because there's no javascript in this response. If I comment out the map line everything works fine (except the map itself).

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  • jquery noConflict not working in IE8 only

    - by slik
    I have a website using the prootype framework and I am looking to use a jquery plugin. Everything works just not in IE8. It works in ie7 which amazes me. Any idea what maybe wrong? jQuery.noConflict(); function OpenUp(sURL){ window.open(sURL,null,'height=560,width=820,status=yes,toolbar=yes,menubar=yes,location=yes,resizable=yes,scrollbars=yes',false); } jQuery(document).ready(function($) { $("head").append("<link>"); css = $("head").children(":last"); css.attr({ rel: "stylesheet", type: "text/css", href: "/my/docs/jquery.simplyscroll.css" }); $("#scroller").simplyScroll({ autoMode: 'loop', framerate: 1, speed: 1 }); }); I also tired the following: var $j = jQuery.noConflict(); var j = jQuery.noConflict(); everythig works just not in IE8 alone.

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  • Jaxer and HTTP proxy requests...

    - by rakhavan
    Thanks to everyone in advance. I'm using Jaxer.sandbox and making requests just fine. I'd like these requests to go through my http proxy (like squid for example). Here is the code I that is currently working for me. window.onload = function() { //the url to scrape var url = "http://www.cnn.com/"; //our sandboxed browser var sandbox = new Jaxer.Sandbox(); //open optons var openOptions = new Jaxer.Sandbox.OpenOptions(); openOptions.allowJavaScript = false; openOptions.allowMetaRedirects = false; openOptions.allowSubFrames = false; openOptions.allowSubFrames = false; openOptions.onload = function() { //do something onload }; //make the call sandbox.open(url, null, openOptions); //write the response Jaxer.response.setContents(sandbox.toHTML()); }; How can I send this request through a proxy server? Thanks, Reza.

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  • jQuery val not working properly in Chrome

    - by Mircea
    I have a simple jQuery function: $('#selectable1 span').live('mousedown', function() { var ff = $(this).css("font-family"); $("#family").val(ff); }); When a span element is clicked (mousedown) an input (#family) gets its font family value. It works in FireFox but in Chrome it works only for font families composed from only one word. Georgia will work but Times New Roman will now. You can see the code here: http://jsfiddle.net/aLaGa/ or live at http://www.typefolly.com What is wrong with this? Thanx

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  • implement code folding with html and java script

    - by Vignesh
    I'm trying to collapse or expand table rows with + and - sign displayed on the first column, using jquery. <script type="text/javascript"> $(document).ready(function() { $("tr.header").click(function () { $("tr.child", $(this).parent()).slideToggle("fast"); }); }); I'm trying to use this code. But I want the child of the parent I'm clicking on alone to be toggled. Any ideas on how to do it?

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  • When is a C++ terminate handler the Right Thing(TM)?

    - by Joseph Garvin
    The C++ standard provides the std::set_terminate function which lets you specify what function std::terminate should actually call. std::terminate should only get called in dire circumstances, and sure enough the situations the standard describes for when it's called are dire (e.g. an uncaught exception). When std::terminate does get called the situation seems analagous to being out of memory -- there's not really much you can sensically do. I've read that it can be used to make sure resources are freed -- but for the majority of resources this should be handled automatically by the OS when the process exits (e.g. file handles). Theoretically I can see a case for if say, you needed to send a server a specific message when exiting due to a crash. But the majority of the time the OS handling should be sufficient. When is using a terminate handler the Right Thing(TM)? Update: People interested in what can be done with custom terminate handlers might find this non-portable trick useful.

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  • CakePHP Accessing Dynamically Created Tables?

    - by Dave
    As part of a web application users can upload files of data, which generates a new table in a dedicated MySQL database to store the data in. They can then manipulate this data in various ways. The next version of this app is being written in CakePHP, and at the moment I can't figure out how to dynamically assign these tables at runtime. I have the different database config's set up and can create the tables on data upload just fine, but once this is completed I cannot access the new table from the controller as part of the record CRUD actions for the data manipulate. I hoped that it would be along the lines of function controllerAction(){ $this->uses[] = 'newTable'; $data = $this->newTable->find('all'); //use data } But it returns the error Undefined property: ReportsController::$newTable Fatal error: Call to a member function find() on a non-object in /app/controllers/reports_controller.php on line 60 Can anyone help.

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  • sqlite ERROR no such column

    - by Richard
    Hi, Does anyone here have some experience with this error? Only If I use the WHERE clause, I get this error. I use php PDO to get the results. And this is my simple table $sql = "CREATE TABLE samenvatting ( stem_id INTEGER PRIMARY KEY AUTOINCREMENT, poll_id TEXT, stem_waarde_id TEXT, totaal INTEGER )"; $crud->rawQuery($sql); $poll_id = "somepoll"; $records = $crud->rawSelect('SELECT * FROM samenvatting WHERE poll_id=´.$poll_id); pdo abstract class public function conn() { isset($this->username); isset($this->password); if (!$this->db instanceof PDO) { $this->db = new PDO($this->dsn, $this->username, $this->password); $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } } public function rawSelect($sql) { $this->conn(); return $this->db->query($sql); } Thanks, Richard

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  • Regex-expression with danish characters

    - by timkl
    I'm currently trying to wrap my head around regex, I have a validation snippet that tests an input box against a regex-expression: $.validator.addMethod("customerName", function(value, element){ return (/^[a-zA-Z]*$/).test(value); }, "Some text"); That works well, but when I try to add a space and some special danish characters, it doesn't filter the danish characters, only the space. $.validator.addMethod("customerName", function(value, element){ return (/^[a-zA-Z æøåÆØÅ]*$/).test(value); }, "Some text"); Any ideas to what could be wrong?

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  • getSymbols and using lapply, Cl, and merge to extract close prices

    - by algotr8der
    I've been messing around with this for some time. I recently started using the quantmod package to perform analytics on stock prices. I have a ticker vector that looks like the following: > tickers [1] "SPY" "DIA" "IWM" "SMH" "OIH" "XLY" "XLP" "XLE" "XLI" "XLB" "XLK" "XLU" "XLV" [14] "QQQ" > str(tickers) chr [1:14] "SPY" "DIA" "IWM" "SMH" "OIH" "XLY" "XLP" "XLE" ... I wrote a function called myX to use in a lapply call to save prices for every stock in the vector tickers. It has the following code: myX <- function(tickers, start, end) { require(quantmod) getSymbols(tickers, from=start, to=end) } I call lapply by itself library(quantmod) lapply(tickers,myX,start="2001-03-01", end="2011-03-11") > lapply(tickers,myX,start="2001-03-01", end="2011-03-11") [[1]] [1] "SPY" [[2]] [1] "DIA" [[3]] [1] "IWM" [[4]] [1] "SMH" [[5]] [1] "OIH" [[6]] [1] "XLY" [[7]] [1] "XLP" [[8]] [1] "XLE" [[9]] [1] "XLI" [[10]] [1] "XLB" [[11]] [1] "XLK" [[12]] [1] "XLU" [[13]] [1] "XLV" [[14]] [1] "QQQ" That works fine. Now I want to merge the Close prices for every stock into an object that looks like # BCSI.Close WBSN.Close NTAP.Close FFIV.Close SU.Close # 2011-01-03 30.50 20.36 57.41 134.33 38.82 # 2011-01-04 30.24 19.82 57.38 132.07 38.03 # 2011-01-05 31.36 19.90 57.87 137.29 38.40 # 2011-01-06 32.04 19.79 57.49 138.07 37.23 # 2011-01-07 31.95 19.77 57.20 138.35 37.30 # 2011-01-10 31.55 19.76 58.22 142.69 37.04 Someone recommended I try something like the following: ClosePrices <- do.call(merge, lapply(tickers, function(x) Cl(get(x)))) However I tried various combinations of this without any success. First I tried just calling lapply with Cl(x) >lapply(tickers,myX,start="2001-03-01", end="2011-03-11") Cl(myX))) > lapply(tickers,myX,start="2001-03-01", end="2011-03-11") Cl(x))) Error: unexpected symbol in "lapply(tickers,myX,start="2001-03-01", end="2011-03-11") Cl" > > lapply(tickers,myX(x),start="2001-03-01", end="2011-03-11") Cl(x))) Error: unexpected symbol in "lapply(tickers,myX(x),start="2001-03-01", end="2011-03-11") Cl" > > lapply(tickers,myX(start="2001-03-01", end="2011-03-11") Cl(x) Error: unexpected symbol in "lapply(tickers,myX(start="2001-03-01", end="2011-03-11") Cl" > lapply(tickers,myX(start="2001-03-01", end="2011-03-11") Cl(x)) Error: unexpected symbol in "lapply(tickers,myX(start="2001-03-01", end="2011-03-11") Cl" > Any guidance would be kindly appreciated.

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  • JSF & jqPlot Uncaught TypeError

    - by sdg
    I have a problem using jqPlot with JSF I added this code to my JSF page: $(document).ready(function () { var s1 = [200, 600, 700, 1000]; var s2 = [460, - 210, 690, 820]; var s3 = [-260, - 440, 320, 200]; var ticks = ['May', 'June', 'July', 'August']; var plot1 = $.jqplot('chart1', [s1, s2, s3], { // The "seriesDefaults" option is an options object that will // be applied to all series in the chart. seriesDefaults: { renderer: $.jqplot.BarRenderer, rendererOptions: { fillToZero: true } }, series: [{ label: 'Hotel' }, { label: 'Event Regristration' }, { label: 'Airfare' }], legend: { show: true, placement: 'outsideGrid' }, axes: { xaxis: { renderer: $.jqplot.CategoryAxisRenderer, ticks: ticks }, yaxis: { pad: 1.05, tickOptions: { formatString: '$%d' } } } }); }); but when I try to load the page I got this error : Uncaught TypeError: Cannot read property 'BarRenderer' of undefined (anonymous function)portfolioModeling.xhtml:184 f.extend._Deferred.e.resolveWithjquery.min.js:2 e.extend.readyjquery.min.js:2 c.addEventListener.C I added the whole required js files and also the css file but I am lost and don't know where is the problem Thanks in advance

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  • Issue with JSON and jQuery

    - by Jason N. Gaylord
    I'm calling a web service and returning the following data in JSON format: ["OrderNumber":"12345","CustomerId":"555"] In my web service success method, I'm trying to parse both: $.ajax({ type: "POST", url: "MyService.asmx/ServiceName", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function(msg) { var data = msg.d; var rtn = ""; $.each(data, function(list) { rtn = rtn + this.OrderNumber + ", " + this.CustomerId + "<br/>"; } rtn = rtn + "<br/>" + data; $("#test").html(rtn); } }); but I'm getting a bunch of "undefined, undefined" rows followed by the correct JSON string. Any idea why? I've tried using the eval() method but that didn't help as I got some error message talking about ']' being expected.

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  • JQuery UI Dialog query dialog DOM

    - by Travis
    The following simply loads a jquery-ui dialog from an external html file. $('#showdialog').click(function(e) { var div = $('<div>loading...</div>'); div.dialog({ modal: true, open: function() { div.load('anotherpage.html'); } }); e.preventDefault(); }); After the DOM loads from the external html file, I'd like to interrogate it with JQuery. For example, supposing anothorpage.html had a bunch of anchors on it, I'd like to wire up click handlers for them when it loads into the dialog. Any ideas?

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