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  • Front End Application Development

    - by gprime
    I want to start a side project at the company i work for. Right now we are a 100% web based company. I have an idea for a fun project that would install an application on your computer. Anyways, i am not here to discuss the product. I am here to ask about the front end application development. I am a good C++ programmer but only algorithms (I have over 10 years in web development). I have never made a UI application before (minus the old school VB days). I would like to know my options for the front end application for windows, osx and linux. What are the popular choices these days for the UI of applications in windows, osx and linux?

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  • Single-Click Checkbox in RadGridView

    - by Anthony Trudeau
    Originally posted on: http://geekswithblogs.net/tonyt/archive/2014/06/05/156809.aspxThe Telerik RadGridView for WPF is a flexible visual control for displaying and manipulating tables of data. It’s not without it’s quirks though. I ran into one of those quirks recently. The behavior of the RadGridView requires that you first activate the cell for editing. That enables the editing controls underneath. Although that provides better editing capabilities, it also can be unintuitive. In my case I don’t want my users to have to click a checkbox value twice in order to change the value. This can be solved easily by setting the EditTriggers and AutoSelectOnEdit properties to CellClick and True respectively. Unfortunately, the story doesn’t end there. You would think you could set those properties in a style with a TargetType of GridViewCheckBoxColumn. You’d be wrong. <!-- This works --> <telerik:GridViewCheckBoxColumn Header="Flag #1"       DataMemberBinding="{Binding Flag1}"       EditTriggers="CellClick" AutoSelectOnEdit="True"/> <!-- This doesn’t work --> <Style TargetType="{x:Type telerik:GridViewCheckBoxColumn}">       <Setter Property="EditTriggers" Value="CellClick" />       <Setter Property="AutoSelectOnEdit" Value="True" /> </Style> Telerik told me that is the correct, expected behavior, because the columns in the RadGridView are not visual elements. Their explanation is that the Style property comes from the base class FrameworkContentElement, but the column objects aren’t visual elements. That may be an implementation truth, but that doesn’t make the behavior correct or expected. It’s unintuitive that the GridViewCheckBoxColumn exposes a Style property that cannot be used properly, but there it is. At least there’s a way to get the desired effect.

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  • Disabling IPv6 on a single interface

    - by ijw
    I'm slightly weirded out by the fact that Ubuntu won't process ipv4 DHCP unless you explicitly tell it to, but will happily take ipv6 RAs unless you tell it not to. Is there any way to change the default behaviour to be 'do nothing unless I explicitly turn it on'? (Note to answerers: I'm not looking to globally disable ipv6, or completely turn off autoconf. I'm looking to disable autoconf by default (as in, I don't want ipv6 unless I say so in /etc/network/interfaces, in the same way that I don't just get a v4 address unless I've explicitly turned on dhcp). What's happening is that, for any interface that's up - e.g. has an ipv4 config - a v6 address tends to just turn up on the interface as well, despite the fact that I've not enabled that explicitly. The solutions to date are fine as far as they go, but if I disable v6 or autoconf globally, I can't then re-enable v6 on a per-interface basis with a simple command in /etc/network/interfaces. I'm fairly sure I'm asking for the moon on a stick, mind you.)

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  • Term for a single C++ endpoint/object file

    - by Qix
    I have heard several terms for a C++ "Codepoint" (which is what I've heard used the most often), or a .cpp file that is compiled into an object file. For instance, .cpp files can include other .cpp files (or any other file, really, so long as it compiles), but during compilation, there is really only one 'main' code file that is used/generated. I know there is a widely accepted term, I just can't recall what it is. What is the accepted term for the final .c/.cpp file used to generate an object file?

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  • 80,000 hits on irrelevant topic in 1-2 days [closed]

    - by John
    On 3rd of Nov 2012 somebody started this thread : http://forums.hostgator.com/advice-needed-new-account-t214566.html?t=214566 subject "Advice needed on new account". I visited it on 5th and when I saw the total views I was stunned to see figure of 80,000( while other threads were having views from 50-300). I even made a post using name of rag_gupta. Then I simply typed in Google in IE (I work on Firefox) : Advice needed on new account ---- and yes this same page was in no#1 position. Subsequently I tried to create similar wording article in Hubpages to see how it'd fare. Unfortunately it was not allowed to be published. Then I published in blogger.com. But hardly any hits. Considering only the first two posts in the thread what could have driven google to rank it highly?

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  • How does a single programmer make a game?

    - by Mike
    I have always been a software developer, but lately I've been wanting to get into games. The only thing stopping me is the fact that I'm a programmer, not an artist. I've made some simple stuff, Tetris, 2D chess things like that but I can't do much art and that's really what holds me back. Now the problem is, I've yet to go to college so most commercial projects wouldn't accept me even to work for free and learn a bit especially with my lack of experience in games and any indie projects I've looked into really have an issue with responding to people interested, or actually completing (or starting really, most don't get past the ideas on paper) the project they want to do. I've looked around locally for artists, anyone who can do modeling, textures or animating or even anyone with some ability to make some more advanced 2D assets to get something like a side-scrolling RPG or something but haven't been able to find anyone. So how do you guys do it? Do I really just have to wait until I can go to college to see if I like working with games or is there some way I can get art (for free, anything I do is just going to be for fun so I don't want to have to sink money into it) and just start messing around on my own? Or am I just having bad luck and not looking in the right places for other people interested in having me help? I'm not looking for anything in particular, just something to fill some time with and see if I like making games. If not, well I'll go back to my software projects. I just have one more year of highschool and I'd like to try a few different areas before I go to college.

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  • page up/down print ~ instead of history search in terminal

    - by Desmond
    I am on a Macbook Pro with mac os x 10.8.2 I have set: page up: \033[5~ page down: \033[6~ in terminal keyboard settings (pressing esc to get \033). My ~/.xinputrc is: # Be 8 bit clean. set input-meta on set output-meta on set convert-meta off # Auto completion options set show-all-if-ambiguous on set completion-ignore-case on # Keybindings "\e[1~": beginning-of-line # Home key "\e[4~": end-of-line # End key "\e[5~": history-search-backward # Page Up "\e[6~": history-search-forward # Page Down "\e[3~": delete-char # Delete key "\e[5C": forward-word # Ctrl+right "\e[5D": backward-word # Ctrl+left I am just following a guide found on internet (actually there are a lot of guide really similar): http://macimproved.wordpress.com/2010/01/04/fix-page-updown-home-end-in-terminal/ Unfortunately, the only (terrific) result is that when I press page up (fn + up arrow) just a "~" is printed in the terminal.

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  • Custom LightDM sessions to launch an application

    - by zachtib
    I'm trying to set up Ubuntu to act as a kiosk running a custom application, and am trying to get a LightDM session built to automatically start it. Ideally, I'd like to have two sessions available from LightDM. The default would start my application fullscreened, and the other would open a minimal desktop in case any configuration (mostly connecting to a wireless network) needed to be done. I've done a lot of research over the last week on custom LightDM & Gnome sessions. I've got a custom greeter written for LightDM that can start either session, but I can't figure out how to add a specific application to the Gnome session that is ultimately started without just putting a launcher in the global startup directory, and I don't want to do that since I don't want the application starting when they open "configuration mode". Another problem I've run into on my current workaround is that the application doesn't fullscreen properly, which makes me think I'm not starting enough of a gnome session (currently it's just metacity, no panel or anything else). Edit: I found a solution. See http://www.webupd8.org/2011/11/make-applications-autostart-only-in.html

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  • Using gerrit (or similar tool) on a team where multiple devs work on a single feature

    - by Bacon
    We have a team of roughly ~8 devs who regularly work on the same feature over the course of a 3 week sprint. It isn't quite pair programming, but in our current workflow devs regularly push up incomplete code for a colleague to complete. This worked fine before we introduced Gerrit, but now our commits need to represent chunks of test-passing, complete, logical functionality, and so the model breaks. My only idea is to have everybody push up to a separate, untracked branch up until the functionality is ready for review, then squash everything into commits that make sense and push up. Is there another Gerrit-ized workflow that could work? I know this is a widely discussed topic on Google Groups, and that there has recently been some discussion of Gerrit topic reviews, but I wanted to see if there is anybody out there using Gerrit in this way, and what the suggested workflow would be.

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  • Complex shading using one single (small) texture

    - by teodron
    Recently I stumbled upon a demo reel in UDK about how one can attain beautiful results using just one (rather tiny) texture that's being sent to the shader pipeline. The famous link is this one. Basically, the author states that they've used just one texture and give a snapshot of the technique here. I see that every RGBA channel contains different grayscale information.. and that info could be used to inside a shader to obtain a colour blended output. The problem is that the reel displays a fairly complex scene. To top that, the author even makes use of a normal map. How did they manage to fit a normal map in an already cluttered texture? It makes sense to have a half-space normal map by using only RG from an RGB texture, but what about the rest of the information? Since it was proven to be possible, could someone please explain how it was done (the big picture, not the dirty details!)!? Here's the texture being used. Click to see in full size.

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  • SEO penalty for landing page redirects

    - by therealsix
    Using ebay as an example- lets say I have a large number of items whose URLs' look like this: cgi.ebay.com/ebaymotors/1981-VW-Vanagon-manual-seats-seven-/250953153841 I want to give my client the ability to put links to these items on their website EASILY, without knowing or checking my URL. So I created a redirect service that will map their identifier with my URL: ebay.com/fake_redirect_service/shared_identifier9918 would redirect to the link above. This works great- my clients can easily setup these links with information they already have, and the user will see the page as usual. So on to the problem... I'm concerned that this redirecting service will have a negative impact on my SEO ranking. Having a landing page redirect you immediately to a different URL seems like something a typical spam site would do. Will this hurt me? Any better solutions?

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  • Organizing single page code well with Notepad++

    - by Hudson
    I've a c# file that will contain, most likely 10,000+ lines of code. I'd like to break this file into tabbed segments, so I can organize each method into a certain tab and label the tab something like : initial setup, helper functions,execution logic,list structures,global variables, etc. If I were using PHP I would have separate files and use include(); to include the separate files. What can be done, following the same style, with c#?

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  • Google Analytics doesn't show the correct landing page for my Facebookd ads

    - by chiba
    Most of the visitors to my site are supposed to come from external link with URL my-seite.com/en/var from Facebook ads but Google Analytics shows that most of the landing page is my-site.com/var without en which is the prefix for English version of my site. Am I missing something to configure Google Analytics ? or Facebook has sending the visitors to the wrong URL (by the preview page of the Facebbok ads the URL is set correct with the prefix en)? Any advise are appreciated. Thanks.

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  • Best way to protect website application code

    - by Gaz_Edge
    Background I have a web application that I host on my own server. I have clients who use the application as is, but some have asked if they can host the application on their own server. This enables them to have their own URLS rather than mine. The application only forms part of their website so I'm assuming it will not be possible for my server to respond to a direct call to their domain etc To give some examples, i currently have urls like www.mydomain.com/profile, www.mydomain.com/index.php?option=someoption&view=someview&id=1 What my clients' want is www.theirdomian.com/profile, www.theirdomian.com/index.php?option=someoption&view=someview&id=1 etc Question My question is, what is the best way for me to allow them to use their own URLs with my application, without giving them all the backend source code and databases to install on their server? One way I thought would be to create a router.php file that sits on their server. The router then asks my server to output the html. The router modifies all the links etc in the html source and outputs the new html through the clients server. When a link is clicked on the clients site, the router receives the request and modifies the url to get the data from my server etc. Is this an effective way to achieve what I want, or is it way off the mark.

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  • Silverlight 3 as a Desktop Application (Out-of-Browser Applications)

    - by kaleidoscope
    A cool new feature in Silverlight 3 is the ability to run Silverlight applications out of the browser which resembles a desktop application. Only a few configuration steps are needed to enable your application to run offline. To enable this feature you only need to open the AppManifest.xml file which can be found in the Properties folder and add some settings as follows: - EntryPointAssembly - EntryPointType - ShortName - Title - Blurb More details can be found at: http://www.silverlightshow.net/items/Silverlight-3-as-a-Desktop-Application-Out-of-Browser-Applications.aspx   Amit, S

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  • Take a single snaphot from a webcam with a delay

    - by cedivad
    I use gst-launch-0.10 v4l2src num-buffers=1 ! jpegenc ! filesink location=$HOME/Desktop/test.jpg to take snapshots. It works well. However in some light situation I need to drop some of the first frames the webcam outputs so that the webcam white balance doesn't provide me with an impossible to view image. Do you know how could I do that? With the GUI of cheese I can do it without any problem, but I need to automate this via CLI. Many thanks.

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  • Login and redirect to user home page [migrated]

    - by Rich
    The problem I can't currently solve is when a user logs in. They arrive at the site (index.php) and enter username and password, which gets submitted via a Post form back to index.php - if there are incorrect details then they get an error message. But if successful then I would like them to be taken to their user home page - but I can't do this! I am left presenting them with a link to the home page, which is more than a little clunky. Seems there must be an obviously solution - never seen a site before that didn't redirect! Not sure is the answer is PHp, HTML, or Javascript.

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  • Getting Started with ADF Mobile Sample Apps

    - by Denis T
    Getting Started with ADF Mobile Sample Apps   Installation Steps Install JDeveloper 11.1.2.3.0 from Oracle Technology Network After installing JDeveloper, go to Help menu and select "Check For Updates" and find the ADF Mobile extension and install this. It will require you restart JDeveloper For iOS development, be on a Mac and have Xcode installed. (Currently only Xcode 4.4 is officially supported. Xcode 4.5 support is coming soon) For Android development, have the Android SDK installed. In the JDeveloper Tools menu, select "Preferences". In the Preferences dialog, select ADF Mobile. You can expand it to select configure your Platform preferences for things like the location of Xcode and the Android SDK. In your /jdeveloper/jdev/extensions/oracle.adf.mobile/Samples folder you will find a PublicSamples.zip. Unzip this into the Samples folder so you have all the projects ready to go. Open each of the sample application's .JWS file to open the corresponding workspace. Then from the "Application" menu, select "Deploy" and then select the deployment profile for the platform you wish to deploy to. Try deploying to the simulator/emulator on each platform first because it won't require signing. Note: If you wish to deploy to the Android emulator, it must be running before you start the deployment.   Sample Application Details   Recommended Order of Use Application Name Description 1 HelloWorld The "hello world" application for ADF Mobile, which demonstrates the basic structure of the framework. This basic application has a single application feature that is implemented with a local HTML file. Use this application to ascertain that the development environment is set up correctly to compile and deploy an application. See also Section 4.2.2, "What Happens When You Create an ADF Mobile Application." 2 CompGallery This application is meant to be a runtime application and not necessarily to review the code, though that is available. It serves as an introduction to the ADF Mobile AMX UI components by demonstrating all of these components. Using this application, you can change the attributes of these components at runtime and see the effects of those changes in real time without recompiling and redeploying the application after each change. See generally Chapter 8, "Creating ADF Mobile AMX User Interface." 3 LayoutDemo This application demonstrates the user interface layout and shows how to create the various list and button styles that are commonly used in mobile applications. It also demonstrates how to create the action sheet style of a popup component and how to use various chart and gauge components. See Section 8.3, "Creating and Using UI Components" and Section 8.5, "Providing Data Visualization." Note: This application must be opened from the Samples directory or the Default springboard option must be cleared in the Applications page of the adfmf-application.xml overview editor, then selected again. 4 JavaDemo This application demonstrates how to bind the user interface to Java beans. It also demonstrates how to invoke EL bindings from the Java layer using the supplied utility classes. See also Section 8.10, "Using Event Listeners" and Section 9.2, "Understanding EL Support." 5 Navigation This application demonstrates the various navigation techniques in ADF Mobile, including bounded task flows and routers. It also demonstrates the various page transitions. See also Section 7.2, "Creating Task Flows." Note: This application must be opened from the Samples directory or the Default springboard option must be cleared in the Applications page of the adfmf-application.xml overview editor, then selected again. 6 LifecycleEvents This application implements lifecycle event handlers on the ADF Mobile application itself and its embedded application features. This application shows you where to insert code to enable the applications to perform their own logic at certain points in the lifecycle. See also Section 5.6, "About Lifecycle Event Listeners." Note: iOS, the LifecycleEvents sample application logs data to the Console application, located at Applications-Utilities-Console application. 7 DeviceDemo This application shows you how to use the DeviceFeatures data control to expose such device features as geolocation, e-mail, SMS, and contacts, as well as how to query the device for its properties. See also Section 9.5, "Using the DeviceFeatures Data Control." Note: You must also run this application on an actual device because SMS and some of the device properties do not function on an iOS simulator or Android emulator. 8 GestureDemo This application demonstrates how gestures can be implemented and used in ADF Mobile applications. See also Section 8.4, "Enabling Gestures." 9 StockTracker This application demonstrates how data change events use Java to enable data changes to be reflected in the user interface. It also has a variety of layout use cases, gestures and basic mobile patterns. See also Section 9.7, "Data Change Events."

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  • SQL SERVER Merge Operations Insert, Update, Delete in Single Execution

    This blog post is written in response to T-SQL Tuesday hosted by Jorge Segarra (aka SQLChicken). I have been very active using these Merge operations in my development. However, I have found out from my consultancy work and friends that these amazing operations are not utilized by them most of the time. Here is my [...]...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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  • What are solutions and tradeoffs to maintain search result consistency in a web application

    - by iammichael
    Consider a web application with a custom search function that must display the results in a paged manner (twenty per page with up to hundreds of thousands of total results) and the ability to drill down to individual results that maintain next/previous links to navigate through the results. Re-executing the search on each page request to get the appropriate results for that page of data can be too expensive (up to 15s per search). Also, since the underlying data can change frequently (e.g. addition of new results), re-executing could cause the next/previous functionality to result in inconsistent behavior (e.g. the same results reappearing on a later page after having been viewed on an earlier page). What options exist to ensure the search results can be viewed across multiple pages in a consistent manner, and what tradeoffs does each option have in terms of network, CPU, memory, and storage requirements? EDIT: I thought caching the query search results was an obvious necessity. The question is really asking about where to cache the result set and what tradeoffs might exist to each. For example, storing the ids of the entities in the result set on the client, or storing the IDs of the entities themselves in the users session on the web server, or in a temporary table in the database. I'm not looking specifically for a single solution as different scenarios may result in different approaches (and such a question would be more suited for stackoverflow.com rather than here), but more of a design comparison between the possible approaches.

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  • Using Single Image for Map in 2D Platformer

    - by Jon
    I'm fairly new to game development, and have been messing around with Slick2D. Currently, my map consists of objects that are represented as rectangles. If I wanted to use am image simlar to: How would I be able to use this image to make a level? That question is a bit vague, but like I said, I'm new to game development and am not familiar with terminology or procedures. But going along with this question, how would I also use non-rectangular objects/platforms? Thanks

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