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  • Ruby on Rails: how to render a string as HTML?

    - by Tim
    I have @str = "<b>Hi</b>" and in my erb view: <%= @str > What will display on the page is: <b>Hi</b> when what I really want is Hi. What's the ruby way to "interpret" a string as HTML markup? Edit: the case where @str = "<span class=\"classname\">hello</span>" If in my view I do <%raw @str %> The HTML source code is <span class=\"classname\">hello</span where what I really want is <span class="classname">hello</span> (without the backslashes that were escaping the double quotes). What's the best way to "unescape" those double quotes?

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  • Asp.net razor textbox array for list items

    - by yycdev
    I can't find or figure out how to take a list of items (cupcakes) and display them in razor with a quantity field. What is happening is I am not able to get the values for each cupcake quantity in the list. Can you do textbox arrays in Razor? VIEW <div class="form-group"> <label>Cupcakes</label> @foreach (var cupcake in Model.CupcakeList) { @Html.TextBox("CupcakeQuantities", cupcake.Id) @cupcake.Name <br/> } </div> MODEL public List<Cupcake> CupcakeList { get; set; } public List<int> CupcakeQuantities { get; set; } CONTROLLER public ActionResult Create() { var model = new PartyBookingModel() { CupcakeList = db.Cupcakes.ToList(), CupcakeQuantities = new List<int>() }; return View(model); }

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  • Oracle Unveils Breakthrough Technology: Database In-Memory

    - by Mala Narasimharajan
    Missed Larry Ellison's big announcement this morning? Today, Oracle announced . Oracle Database In-Memory.  Oracle Database In-Memory  transparently extends the power of Oracle Database 12c to enable organizations to discover business insights in real-time while simultaneously increasing transactional performance. Here's why you should care - this new breakthrough technology enables enterprises to get faster answers to business questions ultimately leading to faster business action. Oracle Database In-Memory delivers leading-edge in-memory performance without the need to restrict functionality or accept compromises, complexity and risk. Deploying Oracle Database In-Memory with virtually any existing Oracle Database-compatible application is as easy as flipping a switch--no application changes are required.  For more information on Oracle Database In-Memory go to http://www.oracle.com/us/corporate/press/2215795

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  • How do you parse text in Ruby on Rails and add classes to specific parts of it?

    - by codyvbrown
    I am a Rails novice and I'm creating an application that I'd love some help on. The app is for social reading. It enables a user to highlight a passage from a text then have that passage saved and bolded into the view for later reading by anyone else. I have no problem creating an if statement on whether a certain string of text is in a passage but how do I add a class to that string and have a group of these passages absorbed back into the view. Any strategic advice would be greatly appreciated.

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  • UppercuT &ndash; Custom Extensions Now With PowerShell and Ruby

    Arguably, one of the most powerful features of UppercuT (UC) is the ability to extend any step of the build process with a pre, post, or replace hook. This customization is done in a separate location from the build so you can upgrade without wondering if you broke the build. There is a hook before each step of the build has run. There is a hook after. And back to power again, there is a replacement hook. If you dont like what the step is doing and/or you want to replace its entire functionality,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • how to start animation using MVVM?

    - by Kishore Kumar
    I am converting my exising Application using WPF using MVVM pattern. I have different storyboards in my view . eg. 1. showing splashscreen while loading the app 2. while clicking Menu Toggle button/Radio Button to show the slide in and Slide out animation effect 3. And different mouseover effect for different elements available in the View. How will i call the storyboard using MVVM and which is the best method?. To show the mouse over effect do we really have to use MVVM or code behind?

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  • release vs setting-to-nil to free memory

    - by Dan Ray
    In my root view controller, in my didReceiveMemoryWarning method, I go through a couple data structures (which I keep in a global singleton called DataManager), and ditch the heaviest things I've got--one or maybe two images associated with possibly twenty or thirty or more data records. Right now I'm going through and setting those to nil. I'm also setting myself a boolean flag so that various view controllers that need this data can easily know to reload. Thusly: DataManager *data = [DataManager sharedDataManager]; for (Event *event in data.eventList) { event.image = nil; event.thumbnail = nil; } for (WondrMark *mark in data.wondrMarks) { mark.image = nil; } [DataManager sharedDataManager].cleanedMemory = YES; Today I'm thinking, though... and I'm not actually sure all that allocated memory is really being freed when I do that. Should I instead release those images and maybe hit them with a new alloc and init when I need them again later?

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  • Navigation bar(s) disappear when the window gets too small

    - by Leron
    The title maybe is a little misleading but I'm not 100% sure how this effect is called. I'm pretty sure what I meant is that my navigation bar is disappearing instead of collapsing. However my set up is this - I am working on the Layout view of ASP.NET MVC 4 project. I'm using bootstrap 3x but also have included jQuery libs so my <head> part is like this: @Scripts.Render("~/Scripts/bootstrap.min.js") @Styles.Render("~/Content/bootstrap.css") @Styles.Render("~/Content/themes/base/jquery.ui.smoothness.css") @Scripts.Render("~/Scripts/jquery-2.0.3.min.js") @Scripts.Render("~/Scripts/jquery-ui-1.10.3.min.js") //just skipped the standard stuff In the body I want to have two navbars and one side menu which will be the same for all my pages but I've noticed that when I start to narrow the window at some point instead of getting an effect similar to this example (noticed how the elements get repositioned) I just got both my navbars gone, I can't see them. The markup for my first navbar is this : <div class="navbar navbar-static-top navbar-inverse navbar-collapse collapse" role="navigation"> <ul class="nav navbar-nav "> <li><a href="#">Info</a></li> <li><a href="#">Info</a></li> </ul> </div> and the second one is : <div class="navbar navbar-collapse collapse" role="navigation" id="main-navigation-bar"> <ul class="nav nav-pills nav-justified"> <li style="border: 1px solid grey"><a href="#">Link</a></li> <li><a href="#">Link</a></li> <li><a href="#">Link</a></li> </ul> In fact the only thing left in my _Layout body is this: <div class="container-fluid"> @RenderBody() </div> which is just for compiling purposes and renders this view : <p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> So when I make the window small enough so that my navbars disappear the only thing left is 1..5 numbers from the rendered view. I tested with only one navbar (commented the other) - no matter which one is commented, when I narrow the window I loose the navbar. How can I keep them using bootstrap 3x?

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  • Copying VBoxAdditions to usr/share/virtualbox folder

    - by Joe
    Since for some reason VBox does not find the Additions on the internet, I was trying to install them in the Ubuntu directory Vbox is looking for them - which is: usr/share/virtualbox but I am denied permission to do so. Any way around it? I am relatively new to ubuntu (know how to use the GUI, but still learning how to talk to the machine proper, so many things will be new to me; used to be power user/analyst for MS Windows, 98-Vista, so not a PC newbie, but still I'd say Linux newbie). Any suggestion is more than welcome! Thanks Joe

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  • What exactly is Two-way databinding in WPF ?

    - by blntechie
    I'm learning WPF with MVVM and for a starter, I viewed Jason Dolinger's video on MVVM . In that he mentioned, that one of the advantage of using MVVM with WPF is two-way data binding. My question is what does he mean by two-way data binding? Is that the feature of ability to 1) bind data from controls(View) to properties in VM and 2) any change in collections or properties are reflected in the view? If I'm wrong, can anyone please explain me in detail what it is and what are its advantages? This might be a very simple doubt, but I'm very new to WPF and it's terminologies and moving away from WinForms now.

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  • Accessing database problem

    - by anarche
    Ok, so I've got an SQLiteOpenHelper that prepares and returns a SQLiteDatabase object; this is written singleton-pattern, so the database is opened once and only closed when the Activity closes. From there I have three database wrappers encapsulating the queries (some returning cursors to datasets, some inserting data) used by the Activity. I want to insert data from one View, then have that automatically update in another View on the same Dialogue. I'm writing this on a notepad and testing on the phone (since the emulator crashes the notepad...), so I can't pull up stacktraces atm. So questions: 1) are there limitations to writing to a database, when there are cursors open on the database? 2) Does a Cursor.requery()? call update the ListView with the cursor as a data connector?

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  • Closing lid does not suspend laptop

    - by fgysin
    I'm on a Lenovo T400 laptop. In the past I had suspend problems on every second version of Ubuntu (at least it feels like it), but in 11.04 it was working perfectly. Now, after the upgrade to 11.10 closing the laptop lid does no longer initialize suspension. When I choose 'Suspend' from the shutdown menu it works perfectly, so this does not seem to be an issue with suspend itself. The options in System Settings>Power are of course set to suspend in case of closing the lid (both for battery and AC poer). Note: I have no idea if this is of any importance, but I'm running the gnome-session-fallback stuff, as I just hate the Unity desgin.

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  • Pop-Up Window at inital start up, of android application

    - by Josh Fairbank
    I am trying to find a code that will do a popup at the initial start up on an installed app. Much like a changelog that is starting to appear in more and more apps. I have found some similar codes, but being a beginner I haven't been able to figure out where to exactly put the code in and I always have tons of errors that still do not work once I try and fix them. I am working in Eclipse with an android project, and I'm using a webview to show a website. XML: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <WebView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/webview" android:layout_height="fill_parent" android:layout_width="fill_parent" android:scrollbarAlwaysDrawVerticalTrack="false"/> </LinearLayout> Java File: package com.A2Ddesigners.WhatThe; import android.app.Activity; import android.os.Bundle; import android.webkit.WebView; import android.webkit.WebViewClient; import android.view.KeyEvent; public class Whatthe extends Activity { WebView webview; /** Called when the activity is first created. */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if ((keyCode == KeyEvent.KEYCODE_BACK) && webview.canGoBack()) { webview.goBack(); return true; } return super.onKeyDown(keyCode, event); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); webview = (WebView) findViewById(R.id.webview); webview.setWebViewClient(new HelloWebViewClient()); webview.getSettings().setJavaScriptEnabled(true); webview.setInitialScale(50); webview.getSettings().setUseWideViewPort(true); webview.loadUrl("http://mdsitest2.com/"); } private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } } }

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  • Mouse cursor lag after lock screen, 64 bit 12.04

    - by Bill Jones
    Recently I have noticed that when I return to my computer after it has been "locked" for a while, the mouse pointer has significant lag. The cursor position appears to only update a few times a second. Moving the mouse results in the pointer "following" the movement in a jerky kind of way, and then continuing for some fraction of a second after I have stopped using the mouse. Replacing the mouse has no effect. (I have two differently branded and constructed usb optical mice). Plugging either mouse into a different usb port has no effect. Once the problem was resolved by "suspending" the system, and then re-starting it with the power switch, but this does not work every time. So far, the only fool-proof fix is to shut the system down and re-start it (re-boot). I have tried this suggested fix. It had no effect.

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  • How to refresh an activity?

    - by poeschlorn
    Hi Guys, after implementing some Android Apps, including several Map activities, I try to refresh the activity when the GPS listener's onLocationChanged() mehtod is called. I have no Idea how to tell the map activity to refresh on its own and display the new coords... the coords to store will have to be in global values, so that the location listener will have access to it. In my sample GPS-class (see code below) I just changed the text of a text view....but how to do that in map view? private class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { final TextView tv = (TextView) findViewById(R.id.myTextView); if (loc != null) { tv.setText("Location changed : Lat: " + loc.getLatitude() + " Lng: " + loc.getLongitude()); } } I think the solution of this Problem won't be very difficult, but I just need the beginning ;-) This whole app shall work like a really simple navigation system. It would be great if someone could help me a little bit further :) nice greetings, Poeschlorn

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  • Attention All Procurement Buyers!

    - by LuciaC
    Have you discovered the power of the Buyer Work Center?   Released in Procurement 12.0 the Professional Buyer Work Center (BWC) is a web based interface that provides a central 'launch pad' from which you can efficiently perform your daily tasks, including:  You can manage your requisitions and create them to Purchase Orders (like manual autocreate) Create new standard purchase orders, blanket purchase agreements, or contract purchase agreements Create and maintain supplier information If Oracle Sourcing is licensed and implemented, you can create buyer's auctions or sourcing RFQs If Oracle Services Procurement is licensed and implemented you can create and maintain purchase orders for complex work payments If Oracle Procurement Contracts is licensed and implemented you can handle author contract terms and manage deliverables Globally for the BWC: Create and personalize your own document views including list of columns, where conditions and sort sequences. You can additionally use predefined document views. Accessed from the Purchasing responsibility as we see in the screenshot here, the Buyer Work Center has links to launch to the areas you want to access. See these documents for more information on the BWC: Doc ID 1301969.1: FAQ - Buyer Work CenterDoc ID 1394392.1: Assistant: Oracle Purchasing Purchasing Buyer Work Center Search Helper.

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  • Parsing XML wont display all items.

    - by Nauman A
    I have this code but the toast wont display any message what is wrong with my code.. I can get the value from link, linknext but title wont bring out any value. ( I am not very bright with writing code so please suggest anything you may feel like. final Button button = (Button) findViewById(R.id.Button01); button.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // Perform action on click try { URL url = new URL( "http://somelink.com=" + Link.setFirst_link); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); Document doc = db.parse(new InputSource(url.openStream())); doc.getDocumentElement().normalize(); NodeList nodeList = doc.getElementsByTagName("item"); /** Assign textview array lenght by arraylist size */ for (int i = 0; i < nodeList.getLength(); i++) { Node node = nodeList.item(i); Element fstElmnt = (Element) node; NodeList nameList = fstElmnt.getElementsByTagName("link"); Element nameElement = (Element) nameList.item(0); nameList = nameElement.getChildNodes(); String img = (((Node) nameList.item(0)).getNodeValue()); NodeList websiteList = fstElmnt.getElementsByTagName("linknext"); Element websiteElement = (Element) websiteList.item(0); websiteList = websiteElement.getChildNodes(); String nextlink = (((Node) websiteList.item(0)).getNodeValue()); Link.setFirst_link = nextlink; Drawable drawable = LoadImageFromWebOperations(img); imgView.setImageDrawable(drawable); NodeList titleList = fstElmnt.getElementsByTagName("title"); Element titleElement = (Element) titleList.item(0); websiteList = titleElement.getChildNodes(); String title = (((Node) titleList.item(0)).getNodeValue()); Context context = getApplicationContext(); CharSequence text = title; int duration = Toast.LENGTH_SHORT; Toast toast = Toast.makeText(context, text, duration); toast.show(); } } catch (Exception e) { System.out.println("XML Pasing Excpetion = " + e); } } }); /** Set the layout view to display */ } Here is the xml file <?xml version="1.0"?> <maintag> <item> <link>http://image.com/357769.jpg?40</link> <linknext>http://www.image.com</linknext> <title>imagename</title> </item> </maintag>

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  • data between pages: $_SESSION vs. $_GET ?

    - by Haroldo
    Ok, firstly this is not about forms this is about consistent layout as a user explores a site. let me explain: If we imagine a (non-ajax) digital camera online store, say someone was on the DSLR section and specified to view the cameras in Gallery mode and order by price. They then click onto the Compact camera's page. It would be in the users interests if the 'views' they selected we're carried over to this new page. Now, i'd say use a session - am i wrong? are there performance issues i should be aware of for a few small session vars ( ie view=1 , orderby=price) ?

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  • My first Windows Phone 7 application is live &ndash; from zero to submitted in 5 hours

    - by Eric Nelson
    Tuesday evening I found myself minus family. I decided to use the time to “have a crack at this Silverlight Phone 7 stuff”. From zero (no experience, no tools installed, no membership on the AppHub) to submitted for approval took me from 8pm to 1am – with the last hour messing around with png files in Paint to complete the submission process! Two days later on Thursday it was approved and is now in the marketplace for you to install - or not :-) The application is very simple but it works and looks “finished” – and importantly I learnt a lot about what is involved and the power of our tooling to make this pretty easy to get going. Go on, give it a go by popping over to the App Hub. You do need to pay $99 to join the App Hub to publish but you can start by downloading the free tools and just work with the included emulator. Related Links https://create.msdn.com/ App Hub http://msdn.microsoft.com/library/ff402535.aspx MSDN Documentation for Phone 7 Development

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  • Capture output of another action within current action?

    - by wizzard
    I have been trying to find a way to capture the output (rendered view) of another action within the current action... something akin to output buffering. The scenario is that I need to save a "snapshot" of a report. The data used in the report is ever-changing, and for whatever reason I need to actually save the view HTML rather than just a data array. I have created a snapshotAction(), and I want to somehow capture the output of the separate reportAction() within it. I don't want to render the reportAction() to the screen, I want it to render within my current action, before the action completes. Is there any way to do this in ZF?

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  • swing: event listener support class

    - by Jason S
    Is there any preexisting class that helps support add/remove EventListener operations? (kind of like PropertyChangeSupport) I'm trying to partition my code into a model and view in Java. I have some data that arrives erratically, and would like the model to support some kind of EventListener so that a view can subscribe to changes in the model. The data is numerous + complicated enough that I don't want to have to do the whole fine-grained Javabeans property change support; rather I would just like to allow notification that the model has changed in a coarse way. how can I best do this?

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  • 404 with spring 3

    - by markjason72
    hi I am going through my first lessons with spring 3.I created a dynamic web app in eclipse with the following structure. spring3mvc \src\my.spring.HelloWorldController.java \WebContent | |-----WEB-INF\jsp\hello.jsp |-----index.jsp |-----web.xml |-----WEB-INF\spring-servlet.xml |-----WEB-INF\lib\...*.jar files I created the spring-servlet.xml as below <context:component-scan base-package="my.spring" /> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> and coded the controller package my.spring; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller public class HelloWorldController { @RequestMapping("/hello") public ModelAndView helloWorld() { String message = "Hello World, Spring 3.0!"; return new ModelAndView("hello", "message", message); } } index.jsp has a link to hello view <html> <body> <a href="hello.html">Say Hello</a> </body> </html> finally in hello.jsp I have put <html> <body> ${message} </body> </html> My web.xml has <display-name>Spring3MVC</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <servlet> <servlet-name>spring</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>spring</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> When I run the app on Tomcat6 server( thru eclipse),I can see the index page at http://localhost:8080/Spring3MVC/ .It displays the link to hello page.When I click on it(http://localhost:8080/Spring3MVC/hello.html),I get a 404 error. message /Spring3MVC/hello.html description The requested resource (/Spring3MVC/hello.html) is not available. Any idea how I can solve this? thanks mark.

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  • Unstable Wifi and Spontaneous Low-graphic Error with Pavilion DV4

    - by Constant Dean
    I've been having numerous problems with connectivity through WiFi. It had been working for a few days and now it doesn't. On top of that around 40% of every time I turn on the laptop it shows "System running in low-graphics" error and I'm unable to view the desktop (sometimes not even able to access terminal), therefore having to manually power-down until it finally works. I use Ubuntu 12.10. nm-tool NetworkManager Tool State: connected (global) - Device: eth0 [Wired connection 1] ------------------------------------------- Type: Wired Driver: r8169 State: connected Default: yes HW Address: 84:34:97:6B:2E:D7 Capabilities: Carrier Detect: yes Speed: 10 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.10 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1 DNS: 192.168.1.1 DNS: 68.237.161.12 - Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: rt2800pci State: unavailable Default: no HW Address: 68:94:23:50:A5:D9 Capabilities: Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points

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