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  • How to print all rows in one page with Crystal Reports

    - by Matt
    I am using Crystal Reports 2011. I am totally new to crystal reports and reporting tools in general. I just added my data fields to the details section, but instead of showing all the rows in one page, a new page is created for each row. I did not use any grouping or change the section paging settings. This only happens for a blank report, when using the report wizard it works fine, but I can't see the difference between what I did and what the report wizard did.

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  • NSTableview weird error

    - by Matt S.
    I followed the guide here, but for some reason, the table view shows this in the console when I attempt to scroll through it: -[NSCFString objectAtIndex:]: unrecognized selector sent to instance 0x100227710

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  • Why can't I pass an object of type T to a method on an object of type <? extends T>?

    - by Matt
    In Java, assume I have the following class Container that contains a list of class Items: public class Container<T> { private List<Item<? extends T>> items; private T value; public Container(T value) { this.value = value; } public void addItem(Item item) { items.add(item); } public void doActions() { for (Item item : items) { item.doAction(value); } } } public abstract class Item<T> { public abstract void doAction(T item); } Eclipse gives the error: The method doAction(capture#1-of ? extends T) in the type Item is not applicable for the arguments (T) I've been reading generics examples and various postings around, but I still can't figure out why this isn't allowed. Eclipse also doesn't give any helpful tips in its proposed fix, either. The variable value is of type T, why wouldn't it be applicable for ? extends T?.

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  • When calling a static method on parent class, can the parent class deduce the type on the child (C#)

    - by Matt
    Suppose we have 2 classes, Child, and the class from which it inherits, Parent. class Parent { public static void MyFunction(){} } class Child : Parent { } Is it possible to determine in the parent class how the method was called? Because we can call it two ways: Parent.MyFunction(); Child.MyFunction(); My current approach was trying to use: MethodInfo.GetCurrentMethod().ReflectedType; // and MethodInfo.GetCurrentMethod().DeclaringType; But both appear to return the Parent type. If you are wondering what, exactly I am trying to accomplish (and why I am violating the basic OOP rule that the parent shouldn't have to know anything about the child), the short of it is this (let me know if you want the long version): I have a Model structure representing some of our data that persists to the database. All of these models inherit from an abstract Parent. This parent implements a couple of events, such as SaveEvent, DeleteEvent, etc. We want to be able to subscribe to events specific to the type. So, even though the event is in the parent, I want to be able to do: Child.SaveEvent += new EventHandler((sender, args) => {}); I have everything in place, where the event is actually backed by a dictionary of event handlers, hashed by type. The last thing I need to get working is correctly detecting the Child type, when doing Child.SaveEvent. I know I can implement the event in each child class (even forcing it through use of abstract), but it would be nice to keep it all in the parent, which is the class actually firing the events (since it implements the common save/delete/change functionality).

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  • Help identify the layout used here?

    - by Matt Huggins
    I'm working on a layout that comprises some of the same features seen in the screenshot below, but I'm running into a bit of confusion. Can someone help me understand a few points for the screenshot below? What is the root layout used here? How do I get the button bar to remain at the bottom, while the center section scrolls when it is long enough? Similar to the Ok/Cancel buttons seen here, how do I make them each 50% width (minus some margin and padding)?

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  • Windows Phone 7.1.1 Ping

    - by Matt
    I am writing an app to connect to a third party application using REST web services. I have a configuration page that asks for an IP, Port, User Name & Password, currently it just blindly assumes you enter the correct details and attempts a connection. I want to create a test routine that goes through and checks off the following steps when setting up the config information Is the IP/Hostname correct (using ping or something) Is the Port correct Is the Username & Password correct then displays the results on screen as it's going so that if it can't connect to the service it's easier to identify where the issue is. To achieve step 1 I would like to use Ping or some equivalent that does not rely on a particular port being open. So I can eliminate dodgy DNS or a typo in the IP/Hostname. I understand from previous questions asked that ping wasn't possible in 7.0 but with Mango the sockets classes have been added in, is it possible now, if so how? If it still isn't possible is there a different way I can achieve step 1?

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  • Send data over telnet without pressing enter

    - by Matt
    I've recently started messing around with Java sockets and telnet... I want the user to be able to connect to the server, just type a letter and have it sent to the server, without pressing enter to send it. I'm sure there's no way for the server to set this up, but maybe telnet has a parameter or something which could allow this? Maybe if I got the user to type stty cbreak or stty raw before running telnet, this would work? (UNIX only, I know!) If I can get telnet to do this then it saves me having to write a special client just for this feature...

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  • Reflection in C#

    - by matt
    var victim = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Victim.dll"); var assy = AppDomain.CurrentDomain.Load(System.IO.File.ReadAllBytes(victim)); var types = from x in assy.GetTypes() where x.Name.StartsWith("AwesomePage") select x; var pageType = types.First(); page = Activator.CreateInstance(pageType); this.Content = page; Could someone tell me why a dll file would be targeted?

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  • Threading and cores

    - by Matt
    If I have X cores on my machine and I start X threads. Let's assume for the sake of argument that each thread is completely separated in terms of the memory, hdd, etc it uses. Is the OS going to know to send each thread to a core or do more time slicing on one core for multiple threads. What the question boils down to, is if I have X cores and my program must do independent calculations, should I start X threads, will they each get piped to a core, or is the presumption that because I have X cores I can start X threads completely wrong? I'm thinking it is. This is with C# --

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  • Accessing preloaded images from parent script too use in child script. How?

    - by Matt
    I'm trying to update an image in a parent window with clickable links in a child window. I've preloaded the images in the parent window with one javascript file. "scriptss.js" My problem is I need to access the preloaded images of the parent window with the childscript "scriptremote.js" Thanks again for all the JS Help! The JS (scriptss.js) var newWindow = null; window.onload = init; var i = 0; image_object = new Image(); myImages = new Array(); // declare array myImages[0]="images/img1.jpg" // load array myImages[1]="images/img2.jpg" myImages[2]="images/img3.jpg" myImages[3]="images/img4.jpg" myImages[4]="images/img5.jpg" myImages[5]="images/img6.jpg" Here's the HTML for parent window: <img src="" width="200px" height="200px" id="myimage" name="myimage" /></img> Here's the JS for child window: window.onload = init; function init() { } function first_image() { window.parent.image_object.src = myImages[3]; //Problem happens here I think document.getElementById("myimage")window.parent.src = window.parent.image_object.src; } The HTML Child Window <h1>My Remote</h1> <a href="#" id="first" onclick="first_image()" >First Image</a> </br>

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  • User Authentification on external machines

    - by Matt Argyle
    Our website has been working and still works if we are connected to the LAN but now if someone is elsewhere and tries to connect, they are presented with the screen called "User Authentification" asking for a username and password. What would have changed? The website is http://pc.bartselectric.com Any help is greatly appreciated. Thank you in advance.

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  • Refreshing a echoed PHP variable after jQuery AJAX success?

    - by Matt
    Hello, I have a shopping cart in Codeigniter in which products are added to the cart using (jQuery) Ajax. In the header of each page it displays the number of contents in the cart using <?php echo $this->cart->total_items(); ?> How can I update/refresh this variable when a product is added to the cart, as I am using AJAX to add products to the cart and thus the page isn't being reloaded when products are added. It seems pointless to use AJAX to do asyncronous stuff if I have to reload the page to get the new number of total items from the server. Many thanks.

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  • How can I handle validation of non-latin script input in PHP?

    - by Matt
    I am trying to adapt a php application to handle non-latin scripts (specifically: Japanese, simplified Chinese and Arabic). The app's data validation routines make frequent use of regular expressions to check input, but I am not sure how to adapt the \w character type to other languages without installing additional locales on the system (which I cannot rely on). Previous developers to have worked on the app have simply added needed characters to the regexes as the number of languages we supported grew (you frequently see "[\wÀÁÂÃÄÅÆÇÈÉ... etc" in the code), but I can't really do this for all the alphabets I need to support now. Does anybody out there have some advice on how to tackle this?

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  • how to get something to display only once in a while loop

    - by Matt Nathanson
    I've got a mysql query running and it checks to see if an iterator is equal to 1, then display this div title... if ($this->dliterator == 1) {echo "<div class='clientsection' id='downloads'>Downloads</div><br/>";}; The problem is, is that the dl iterator may not necessarily start at 1. (it is directly related to a downloadid from the database). How can I get this to display only for the first time through the loop ONLY? while ($row = mysql_fetch_assoc($result)) { if ($row['download'] != null){ if ($this->dliterator == 1) {echo "<div class='clientsection' id='downloads'>Downloads</div><br/>";}; if ($editDownload == 1) { echo "<div class='clientlink' style='margin-top: 15px;'>"; echo "<input name='downloads[$this->dliterator][name]' type='text' id='download$this->dliterator' value='" . $row['download'] . "'/>"; echo "<input name='downloads[$this->dliterator][title]' type='text' id='downloadtitle$this->dliterator' value='" . $row['downloadtitle'] . "'/>"; echo "<img class='removelink' src='/images/deletelink.png' width='15' />"; echo "<input id='downloadid' name='downloads[$this->dliterator][id]' type='hidden' value='".$row['downloadid']."' style='display: none'/>"; echo "<br/><img id='uploaddownload$uploaditerator' class='uploaddownload' src='../images/upload.png' width='80'/>"; echo "</div>"; }; }; $this->dliterator++; $uploaditerator++; };

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  • How to set up Node server for production on own machine?

    - by Matt Hintzke
    This must be a pretty basic thing to do, but I cannot find any good guide on how to do it on the internet. I only find how to set up a development environment for Node. I want to be able to forward my R-Pi's port 80 to my Node server, which I want to obviously listen on port 80. How can I close the native port 80 so that I can let me Node server listen on that port. Ultimately, I want to be able to access my pi from any remote location. I know how to set up a static IP and forward the port on my router, but now how do I allow Node into port 80?

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  • Accessing preloaded images from parent script two use in child script. How?

    - by Matt
    I'm trying to update an image in a parent window with clickable links in a child window. I've preloaded the images in the parent window with one javascript file. "scriptss.js" My problem is I need to access the preloaded images of the parent window with the childscript "scriptremote.js" Thanks again for all the JS Help! The JS (scriptss.js) var newWindow = null; window.onload = init; var i = 0; image_object = new Image(); myImages = new Array(); // declare array myImages[0]="images/img1.jpg" // load array myImages[1]="images/img2.jpg" myImages[2]="images/img3.jpg" myImages[3]="images/img4.jpg" myImages[4]="images/img5.jpg" myImages[5]="images/img6.jpg" Here's the HTML for parent window: <img src="" width="200px" height="200px" id="myimage" name="myimage" /></img> Here's the JS for child window: window.onload = init; function init() { } function first_image() { window.parent.image_object.src = myImages[3]; //Problem happens here I think document.getElementById("myimage")window.parent.src = window.parent.image_object.src; } The HTML Child Window <h1>My Remote</h1> <a href="#" id="first" onclick="first_image()" >First Image</a> </br>

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  • jQuery .val() Selector Confusion

    - by Matt Dawdy
    I've kind of written myself into a corner, and was hoping there was an "easy" way out. I'm trying to loop through a series of things on my page, and build a key:value pair. Here is my structure: <div class="divMapTab" id="divMapTab34"> <div class="divFieldMap"> <select class="selSrc" id="selTargetnamex"><options....></select> </div> </div> <div class="divMapTab" id="divMapTab87"> <div class="divFieldMap"> <select class="selSrc" id="selTargetnamex"><options....></select> </div> </div> It's way more complicated than that, and there are many select elements inside of each divFieldMap div. Here is my JS function that is building my string: function Save() { var sSaveString = ''; $('.divMapTab').each(function() { var thisId = this.id; $('.selSrc', "#" + thisId).each(function() { var thisSubId = this.id; //alert(thisSubId); <-- HERE IS THE PROBLEM var sTargetCol = thisSubId.replace('selTarget', ''); var sValue = this.val(); sSaveString += sTargetCol + '¸' + sValue + '·'; }); }); } On the line that has the alert box and the text "HERE IS THE PROBLEM" is that I'm trying to get the selected value of the "current" select input element, but the id of that element isn't unique (I thought it would be, but I screwed up). Is there a good way, inside of an "each" type of jQuery statement, to use "this" to get the exact select element that I really am looking for, even if it doesn't have a unique id?

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  • How to switch data pins on/off on parallel port?

    - by Matt
    I want to simply switch certain data pins on and off, so that they can control a set of relays. I'm not asking about the hardware bit (should be easy), but I don't know where to begin writing the software. I don't want a high level library that can send bytes to a device - I literally want to switch on/off certain pins. I'm running Linux and I want to do this in Java, so would I just need a library? It would be nice if the library has good documentation and is easy to use, but if not then a short example code will help me get started.

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  • RoR: Condition Always False - Why?

    - by Matt Hollingsworth
    Working in RoR 2.3.x. My quiz_results table has a row for user_id (3907) and result (0.1), and two users I'm looking at with no rows in the quiz_results table. This line keeps returining false: -if QuizResult.find_by_user_id(@user_id).present? But if I change it to anything that returns true, the next line reports an error on the * method: ="#{(QuizResult.average('score', :conditions => 'user_id = #{@user.id}') * 100).round}%" The beginning of the code is a loop: [email protected] do |user| Any ideas how to fix? Have tried unsuccessfully all day.

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  • Make qwidget in new window in PyQt4

    - by matt
    I'm trying to make a class that extends qwidget, that pops up a new window, I must be missing something fundamental, class NewQuery(QtGui.QWidget): def __init__(self, parent): QtGui.QMainWindow.__init__(self,parent) self.setWindowTitle('Add New Query') grid = QtGui.QGridLayout() label = QtGui.QLabel('blah') grid.addWidget(label,0,0) self.setLayout(grid) self.resize(300,200) when a new instance of this is made in main window's class, and show() called, the content is overlaid on the main window, how can I make it display in a new window?

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