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• Ambiguous Comparison Hint

  - by Ondrej Brejla

  Hi everybody! Today we would like to show you some new hint which will be available in NetBeans 7.3. It's called Ambiguous Comparison hint. Its name seems to be quite fuzzy, but it describes exactly what the hint does. It tries to check all comparisons whether they are intended. Because sometimes you want to make a simple assignment, but you make a typo and comparison appears. It's really dangerous mistake because then your code doesn't work as expected. Your application can produce buggy results. So here is how it looks like: But sometimes a comparison is really intended. E.g. in return statements when you want to return a boolean, so then the hint works as expected and no warning appears. That's all for today and as usual, please test it and if you find something strange, don't hesitate to file a new issue (component php, subcomponent Editor). Thanks.

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• Ubuntu 12.10 "Turn screen off when inactive for: Never" still turns off

  - by Will

  After a fresh install of Ubuntu 12.10, my screen still goes off after about ten minutes. I've been to the Brightness and Lock control panel. The Turn screen off when inactive for: setting is set for Never. I've been through the dconf Editor searching for power, screen, and idle changing parameters. This doesn't seem to have any effect on the display timeout. Here's one more interesting thing, the screen doesn't go off, per se. It just goes black. Meaning, the back lighting is still on, and all the pixels are black. When it goes black, it does a very pleasant quick dim to black. Similarly, it quickly un-dim's after a key press, mouse movement, or mouse click. So, I'm feeling this is more of a software setting the timeout, not a power saving function.

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• TinyMCE autoresize plugin not works

  - by user31929

  I want to reproduce this simply behaviour : http://tinymcesupport.com/tutorials/autoresize-automatic-resize-plugin This is my init: <!-- TinyMCE --> <script type="text/javascript" src="js/jscripts/tiny_mce/tiny_mce.js"></script> <script type="text/javascript"> tinyMCE.init({ mode : "exact", elements : "pagina_testo_colonna1,pagina_testo_colonna2,pagina_testo_colonna3", theme : "advanced", plugins:"paste,autoresize", plugin_preview_width : "100%", width : "100%", theme_advanced_buttons1 : "pastetext,|,bold,italic,underline,strikethrough,|,bullist,numlist,|,indent,outdent,|,undo,redo,|,justifyleft,justifycenter,justifyright,justifyfull,|,link,unlink,|,charmap", theme_advanced_buttons2 : "", theme_advanced_buttons3 :"", theme_advanced_disable : "image,anchor,cleanup,help,code,hr,removeformat,sub,sup", theme_advanced_resizing : true, paste_text_use_dialog : true, relative_urls : false, remove_script_host : false }); </script> <!-- /TinyMCE --> i have added "autoresize" to plugins list but my editors not resize while i writing, they simply scroll. I have multiple editor in the same page. What's wrong with my code?

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• How to Delete/Disable gnome panels. No existing solutions working

  - by Alan Peabody

  I would like to remove gnome panel completely. I spend most of my time in a (tmux) terminal or a browser. Synapse and a small hidden AWN panel fit the rest of my needs. I have tried all recommended solutions including this (found it a few places): How to delete Gnome Panel? However it always comes back at log in. I have tried changing the required components panel to avant-whatever as well as to empty. I have tried setting them both as default (right click set as default). Right now I just have the last panel set to transparent and auto hide, but it still tends to be annoying. What do I need to do to get rid of this damn thing? Clarification: Using gconf-editor, gconftool2, and/or Ubuntu tweak to set /desktop/gnome/session/required_component/panel to avant-window-navigator is not working. The setting stays when I reboot, but the empty gnome panel sticks around.

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• jQuery with SharePoint solutions

  - by KunaalKapoor

  For me jQuery is the 'Plan-B' for everything.And most of my projects include the use of jQuery for something or the other, so I decided to write a small note on what works best while using jQuery along with SharePoint.I prefer to use the jQuery JavaScript library, which is far more robust, easier to use, and allows for plugins. Follow the steps below to add jQuery to your master page. For office 365, the prefered location to add jQuery files is the "Site Asserts" library.Deployment Best PracticesThey are only as good as the context it’s being referenced.  In other words, take into account your world before applying it.Script your deployment options.  Folder in SPD. Use the file system.  Make external references.  The JQuery library is on the Microsoft Ajax Content Delivery Network. You may even choose to publish to and from the document library. (pros and cons to this approach)Reference options when referencing the script.ScriptLink will make sure it’s loaded at the top of the page and only loaded once. You need Visual Studio or SPDContent Editor Web Part (CEWP).  Drop it on the page and it’s there.  Easy but dangerousCustom Actions. Great for global deployments of JQuery.  Loads it on every page. It also works in Sandbox installations.Deployment Maintenance Dont’sDon’t add scripts directly to your Master Page. That’s way too much effort because the pages are hard to maintain.Don’t add scripts directly to the CEWP.  Use a content link instead. That will allow for reuse. If you or someone deletes the CEWP you won’t lose code in the web partSecurity.  Any scripts run with the same privileges of the current user.  In other words, you can’t get in trouble.Development Best PracticesDon’t abuse the DOM.  There are better options to load the DOM without hitting it 1,000 times.User other performance boosters.Try other libraries.  Try some custom codeAvoid String conversionMinify your filesUse CAML to reduce number of returns rowsOnly update your JQuery library AFTER RIGOROUS REGRESSION TESTINGCRUD operations can come with some funSP Services wraps SharePoint’s web services for executionThe Bing SDK is pretty easy to use.  You can add it to your page with a script,  put it into a content editor web part and connect it from the address parameters in a list.Steps:1. Go to jquery.com and download the latest jQuery library to your desktop. You want to get the compressed production version, not the development version.2. Open SharePoint Designer (SPD) and connect to the root level of your site's site collection.In SPD, open the "Style Library" folder. Create a folder named "Scripts" inside of the Style Library. Drag the jQuery library JavaScript file from your desktop into the Scripts folder.In the Scripts folder, create a new JavaScript file and name it (e.g. "actions.js").3. If you are using visual studio add a folder for js, you can create a new folder at the root level or if you prefer more cleaner solutions like me, you can use the layouts folder which cleans out on deactivation/uninstall.4. Within the <head> tag of the master page, add a script reference to the jQuery library just above the content place holder named "PlaceHolderAdditonalPageHead" (and above your custom CSS references, if applicable) as follows:<script src="/Style%20Library/Scripts/{jquery library file}.js" type="text/javascript"></script>Immediately after the jQuery library reference add a script reference to your custom scripts file as follows:<script src="/Style%20Library/Scripts/actions.js" type="text/javascript"></script>Inside your script tag, you can test if jQuery is already defined and if not, then add it to the page.<script type='text/javascript'>  if (typeof jQuery == 'undefined')    document.write('<scr'+'ipt type="text/javascript" src="http://code.jquery.com/jquery-1.6.1.min.js"></sc'+'ript>');</script>For the inquisitive few... Read on if you'd like :)Why jQuery on SharePoiny is AwesomeIt’s all about that visual wow factor.  You can get past that, “But it looks like SharePoint”  Take a long list view and put it into JQuery with pagination, etc and you are the hero.  It’s also about new controls you get with JQuery that you couldn’t do before.Why jQuery with SharePoint should be AwfulAlthough it’s fairly easy to get jQuery up and running. Copy/Paste can cause a problem.  If you don’t understand what it’s doing in the Client Object Model and the Document Object Model then it will do things on your site that were completely unexpected. Many blogs will note workarounds they employed on their sites. Why it’s not working: Debugging “sucks”.You need to develop small blocks of functionality, Test it by putting in some alerts  and console.log. Set breakpoints and monitor the DOM via Firebug and some IE development toolsPerformance - It happens all the time. But you should look at the tradeoffs. More time may give you more functionality.Consistency - ”But it works fine on my computer. So test on many browsers.  Take into account client resourcesHarm the Farm -  You need to code wisely and negatively test.  Don’t be the cause of a DoS attack that’s really JQuery asking for a resource over and over and over again.  So code wisely. Do negative testing. Monitor Server Resources.They also did a demo where JQuery did an endless loop to pull data from a list. It’s a poor decision but also an easy mistake.  They spiked their server resources within a couple seconds and had to shut down the call before it brought it down.ConclusionJQuery is now another tool in your tool kit. You don’t have to use it. Use it where it makes sense and where it helps you get your job done.Don’t abuse it, you will pay for it laterIt will add to page bloat so take that into accountIt can slow your performance

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• Stumbling Through: Visual Studio 2010 (Part II)

  I would now like to expand a little on what I stumbled through in part I of my Visual Studio 2010 post and touch on a few other features of VS 2010.  Specifically, I want to generate some code based off of an Entity Framework model and tie it up to an actual data source.  Im not going to take the easy way and tie to a SQL Server data source, though, I will tie it to an XML data file instead.  Why?  Well, why not?  This is purely for learning, there are probably much better ways to get strongly-typed classes around XML but it will force us to go down a path less travelled and maybe learn a few things along the way.  Once we get this XML data and the means to interact with it, I will revisit data binding to this data in a WPF form and see if I cant get reading, adding, deleting, and updating working smoothly with minimal code.  To begin, I will use what was learned in the first part of this blog topic and draw out a data model for the MFL (My Football League) - I dont want the NFL to come down and sue me for using their name in this totally football-related article.  The data model looks as follows, with Teams having Players, and Players having a position and statistics for each season they played: Note that when making the associations between these entities, I was given the option to create the foreign key but I only chose to select this option for the association between Player and Position.  The reason for this is that I am picturing the XML that will contain this data to look somewhat like this: <MFL> <Position/> <Position/> <Position/> <Team>     <Player>         <Statistic/>     </Player> </Team> </MFL> Statistic will be under its associated Player node, and Player will be under its associated Team node no need to have an Id to reference it if we know it will always fall under its parent.  Position, however, is more of a lookup value that will not have any hierarchical relationship to the player.  In fact, the Position data itself may be in a completely different xml file (something Id like to play around with), so in any case, a player will need to reference the position by its Id. So now that we have a simple data model laid out, I would like to generate two things based on it:  A class for each entity with properties corresponding to each entity property An IO class with methods to get data for each entity, either all instances, by Id or by parent. Now my experience with code generation in the past has consisted of writing up little apps that use the code dom directly to regenerate code on demand (or using tools like CodeSmith).  Surely, there has got to be a more fun way to do this given that we are using the Entity Framework which already has built-in code generation for SQL Server support.  Lets start with that built-in stuff to give us a base to work off of.  Right click anywhere in the canvas of our model and select Add Code Generation Item: So just adding that code item seemed to do quite a bit towards what I was intending: It apparently generated a class for each entity, but also a whole ton more.  I mean a TON more.  Way too much complicated code was generated now that code is likely to be a black box anyway so it shouldnt matter, but we need to understand how to make this work the way we want it to work, so lets get ready to do some stumbling through that text template (tt) file. When I open the .tt file that was generated, right off the bat I realize there is going to be trouble there is no color coding, no intellisense no nothing!  That is going to make stumbling through more like groping blindly in the dark while handcuffed and hopping on one foot, which was one of the alternate titles I was considering for this blog.  Thankfully, the community comes to my rescue and I wont have to cast my mind back to the glory days of coding in VI (look it up, kids).  Using the Extension Manager (Available under the Tools menu), I did a quick search for tt editor in the Online Gallery and quickly found the Tangible T4 Editor: Downloading and installing this was a breeze, and after doing so I got some color coding and intellisense while editing the tt files.  If you will be doing any customizing of tt files, I highly recommend installing this extension.  Next, well see if that is enough help for us to tweak that tt file to do the kind of code generation that we wantDid 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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• Using Stored Procedures in SSIS

  - by dataintegration

  The SSIS Data Flow components: the source task and the destination task are the easiest way to transfer data in SSIS. Some data transactions do not fit this model, they are procedural tasks modeled as stored procedures. In this article we show how you can call stored procedures available in RSSBus ADO.NET Providers from SSIS. In this article we will use the CreateJob and the CreateBatch stored procedures available in RSSBus ADO.NET Provider for Salesforce, but the same steps can be used to call a stored procedure in any of our data providers. Step 1: Open Visual Studio and create a new Integration Services Project. Step 2: Add a new Data Flow Task to the Control Flow window. Step 3: Open the Data Flow Task and add a Script Component to the data flow pane. A dialog box will pop-up allowing you to select the Script Component Type: pick the source type as we will be outputting columns from our stored procedure. Step 4: Double click the Script Component to open the editor. Step 5: In the "Inputs and Outputs" settings, enter all the columns you want to output to the data flow. Ensure the correct data type has been set for each output. You can check the data type by selecting the output and then changing the "DataType" property from the property editor. In our example, we'll add the column JobID of type String. Step 6: Select the "Script" option in the left-hand pane and click the "Edit Script" button. This will open a new Visual Studio window with some boiler plate code in it. Step 7: In the CreateOutputRows() function you can add code that executes the stored procedures included with the Salesforce Component. In this example we will be using the CreateJob and CreateBatch stored procedures. You can find a list of the available stored procedures along with their inputs and outputs in the product help. //Configure the connection string to your credentials String connectionString = "Offline=False;user=myusername;password=mypassword;access token=mytoken;"; using (SalesforceConnection conn = new SalesforceConnection(connectionString)) { //Create the command to call the stored procedure CreateJob SalesforceCommand cmd = new SalesforceCommand("CreateJob", conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add(new SalesforceParameter("ObjectName", "Contact")); cmd.Parameters.Add(new SalesforceParameter("Action", "insert")); //Execute CreateJob //CreateBatch requires JobID as input so we store this value for later SalesforceDataReader rdr = cmd.ExecuteReader(); String JobID = ""; while (rdr.Read()) { JobID = (String)rdr["JobID"]; } //Create the command for CreateBatch, for this example we are adding two new rows SalesforceCommand batCmd = new SalesforceCommand("CreateBatch", conn); batCmd.CommandType = CommandType.StoredProcedure; batCmd.Parameters.Add(new SalesforceParameter("JobID", JobID)); batCmd.Parameters.Add(new SalesforceParameter("Aggregate", "<Contact><Row><FirstName>Bill</FirstName>" + "<LastName>White</LastName></Row><Row><FirstName>Bob</FirstName><LastName>Black</LastName></Row></Contact>")); //Execute CreateBatch SalesforceDataReader batRdr = batCmd.ExecuteReader(); } Step 7b: If you had specified output columns earlier, you can now add data into them using the UserComponent Output0Buffer. For example, we had set an output column called JobID of type String so now we can set a value for it. We will modify the DataReader that contains the output of CreateJob like so:. while (rdr.Read()) { Output0Buffer.AddRow(); JobID = (String)rdr["JobID"]; Output0Buffer.JobID = JobID; } Step 8: Note: You will need to modify the connection string to include your credentials. Also ensure that the System.Data.RSSBus.Salesforce assembly is referenced and include the following using statements to the top of the class: using System.Data; using System.Data.RSSBus.Salesforce; Step 9: Once you are done editing your script, save it, and close the window. Click OK in the Script Transformation window to go back to the main pane. Step 10: If had any outputs from the Script Component you can use them in your data flow. For example we will use a Flat File Destination. Configure the Flat File Destination to output the results to a file, and you should see the JobId in the file. Step 11: Your project should be ready to run.

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• Unity Frustum Culling Issue

  - by N0xus

  I'm creating a game that utilizes off center projection. I've got my game set up in a CAVE being rendered in a cluster, over 8 PC's with 4 of these PC's being used for each eye (this creates a stereoscopic effect). To help with alignment in the CAVE I've implemented an off center projection class. This class simply tells the camera what its top left, bottom left & bottom right corners are. From here, it creates a new projection matrix showing the the player the left and right of their world. However, inside Unity's editor, the camera is still facing forwards and, as a result the culling inside Unity isn't rendering half of the image that appears on the left and right screens. Does anyone know of a way to to either turn off the culling in Unity, or find a way to fix the projection matrix issue?

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• How to disable Alert volume from the command line in Natty?

  - by Bryce

  There is an option in the Sound Preferences dialog, Sound Effects tab, to toggle Alert volume 'mute'. It works and suffices for my needs to disable the irritating system beep/bell. However, I reinstall systems a LOT for testing purposes and would like to set this setting in a shell script so it's off without having to fiddle with a GUI. But for the life of me I can't seem to find where this can be toggled via a command line tool. I've scanned through gconf-editor, pulseaudio's pacmd, grepped through /etc, even dug through the gnome-volume-control source code, but I am not seeing how this can be set. I gather that gnome-volume-control has changed since a few releases ago. I'm using Natty fwiw. Ideas?

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• What's a viable way to get public properties from child objects?

  - by Raven Dreamer

  I have a GameObject (RoomOrganizer in the picture below) with a "RoomManager" script, and one or more child objects, each with a 'HasParallelagram' component attached, likeso: I've also got the following in the aforementioned "RoomManager" void Awake () { Rect tempRect; HasParallelogram tempsc; foreach (Transform child in transform) { try { tempsc = child.GetComponent<HasParallelogram>(); tempRect = tempsc.myRect; blockedZoneList.Add(new Parallelogram(tempRect)); Debug.Log(tempRect.ToString()); } catch( System.NullReferenceException) { Debug.Log("Null Reference Caught"); } } } Unfortunately, attempting to assign tempRect = tempsc.myRect causes a null pointer at run time. Am I missing some crucial step? HasParallelgram is an empty script with a public Rect set in the editor and nothing else. What's the proper way to get a child's component?

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• Does anyone prefer proportional fonts?

  - by Jason Baker

  I was reading the wikipedia article on programming style and noticed something in an argument against vertically aligned code: Reliance on mono-spaced font; tabular formatting assumes that the editor uses a fixed-width font. Most modern code editors support proportional fonts, and the programmer may prefer to use a proportional font for readability. To be honest, I don't think I've ever met a programmer who preferred a proportional font. Nor can I think of any really good reasons for using them. Why would someone prefer a proportional font?

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• NetBeans 6.9 Released

  - by Duncan Mills

  Great news, the first NetBeans release that has been conducted fully under the stewardship of Oracle has now been released. NetBeans IDE 6.9 introduces the JavaFX Composer, a visual layout tool for building JavaFX GUI applications, similar to the Swing GUI builder for Java SE applications. With the JavaFX Composer, developers can quickly build, visually edit, and debug Rich Internet Applications (RIA) and bind components to various data sources, including Web services. The NetBeans 6.9 release also features OSGi interoperability for NetBeans Platform applications and support for developing OSGi bundles with Maven. With support for OSGi and Swing standards, the NetBeans Platform now supports the standard UI toolkit and the standard module system, providing a unique combination of standards for modular, rich-client development. Additional noteworthy features in this release include support for JavaFX SDK 1.3, PHP Zend framework, and Ruby on Rails 3.0; as well as improvements to the Java Editor, Java Debugger, issue tracking, and more. Head over to NetBeans.org for more details and of course downloads!

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• How can I avoid the random restart of the xserver?

  - by Bernd

  I'm using a desktop pc with 64bit Ubuntu 12.04 (Kernel 3.2.0-24-generic). Hardware specs are - Intel Core i7 CPU 860 @ 2,80GHz x 8 - Nvidia GeForce GTS 250 - 750 GB Hard Disk ATA WDC WD7501AALS-00E3A0 (for my /home partition) - 128 GB Solid-State Disk ATA PLEXTOR PX-128M2S (for all other partitions) Since I reinstalled the PC with Ubuntu 12.04 the xserver restarts randomly. Most times when I watch a video in the browser (maybe a flash issue?) but sometimes the restart/crash appears when I'm working in an text-editor. How can I locate the problem? Which information is needed for a useful answer?

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• Volume control keyboard shortcuts not working in 14.04?

  - by user295481

  I run Ubuntu 14.04 on a Sony Vaio CS series laptop. Normally, the volume is controlled by pressing Funcion+F2, F3, and F4 for mute, volume down, and volume up respectively. I accidentally reassigned the volume up keyboard shortcut to a different key. I tried resetting the keyboard shortcut by going into the keyboard shortcuts editor in Ubuntu and pressing Function+F4, but that didn't work. My mute function and my volume down functions both work flawlessly, but volume up doesn't work at all. Please don't answer telling me to change the keyboard shortcut in the Keyboard Shortcuts manager, as I have already tried that. Thanks for your help!

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• Change hotkeys/shortcut keys for volume control

  - by Daniel le Rouge

  I need to change the hotkeys for volume control, since I suffer from a bug, which disallows me to use the standard function hotkeys of my notebook. Since I have updated I to Oneiric, I am not able to change the settings for the hotkeys. It is neither possible in system settings nor in gconf-editor. Current buggy configuration: Volume mute: Fn + F3 Volume down: Fn + F4 Volume up: Fn + F5 Desired configuration: Volume mute: Ctrl + F3 Volume down: Ctrl + F4 Volume up: Ctrl + F5 If you need further information, I will be happy to provide it. I tried to overwrite the standard settings by creating a new one in the “Custom shortcuts” category. Even this attempt is unsuccessful. Is there a possibility to access this menu as root?

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• Why does starting a program log me out?

  - by Bruce McKean

  I'm not a computer nerd but have been able to fix Ubuntu/Linux problems in the pass two years with a Google search but this on has me stumped. I upgraded to 12.04 about thirty days ago and all was well except that every time I tried to load KeePassX it would go to the login screen. I installed KeePass2 and all seemed to work. Last week I tried to load Bibble5 (Raw photo editor) and it would try to load and then back to the login screen. After a few days I gave up and downloaded Corel After Shot Pro (Corel's now owns Bibble5) and it has the same problem. Could someone please head me into the steps I need to follow to find out what is the cause? I'm interested in learning more about the Linux system. How to correct any future problems like this? Computer Specification: Processor : 8x Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz Memory : 8155MB (1092MB used) Operating System : Ubuntu 12.04 LTS Graphics Card : GeForce GT 520/PCIe/SSE2

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• How to remove Visual J# .NET from installation package (MSI)

  - by Narendra Tiwari

  While creating Web Setup, Visual J# .NET automatically included in the MSI package.When we install this MSI on a server machine which does not have Visual J# .NET installed, installer prompts a message to install Visual J# .NET. Usually we dont need to install Visual J# .NET and it can be avoided to add into installer. To do this:- - Open setUp project (.vdproj) file in a text editor.- Find below section for LauchCondition for Visual J# .NET and remove it."LaunchCondition"        {            "{836E08B8-0285-4809-BA42-01DB6754A45D}:_237E8F40F1A4464FBD27D8992CFDD623"            {            "Name" = "8:Visual J# .NET"            "Condition" = "8:REQ_VJSLIB_VER_PRESENT = \"TRUE\""            "Message" = "8:[VSDVJSMSG]"            "InstallUrl" = "8:http://msdn.microsoft.com/vjsharp"            }            "{836E08B8-0285-4809-BA42-01DB6754A45D}:_DF1CA2119CD64D4B94CE993CF1624ACE"            {            "Name" = "8:IIS Condition"            "Condition" = "8:IISVERSION >= \"#4\""            "Message" = "8:[VSDIISMSG]"            "InstallUrl" = "8:"            }        }- Save .vdproj file and Build again to generate new MSI installer.- Install the MSI on a new machine again where J# does not exist, It should not prompt the same message to install J#.

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• Keyboard shortcut: Win key doesn't work for custom commands

  - by Xiè Jìléi

  It's all ok before upgraded from 10.04 to 12.04. It seems all right. In keyboard shortcut window, if I pressed Win+V, it can capture the key combination as Super+V, no problem. I've checked the output from xev utility, the left and right Win keys are translated to Super_L and Super_R correctly. I have found a workaround, though. Using gconf-editor, edit the entries /desktop/gnome/keybindings/*/binding and replace <Super> with <Mod4> for the problem bindings. However Super+... keys do work for most built-in actions such as "switch workspace", they just don't work for custom commands.

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• This week in the OTN Architect Center

  - by Bob Rhubart

  Updated every Monday, the Oracle Technology Network Architect Center is your one-stop for the latest content drawn from across the architect community. You find the articles and white papers, the latest ArchBeat Podcast, selected blog posts from community leaders, a list of events for architects, along with the latest information on Oracle products. Featured this week: A Fusion Applications Technical Overview A sample chapter from Managing Oracle Fusion Applications by Richard Bingham, new from Oracle Press. Oracle Optimized Solution for Lifecycle Content Management A new white paper from Donna Harland and Nick Kloski. Toronto Architect Day Panel Discussion - Part 2 The second of a four-part program featuring a live recording of the panel discussion from OTN Architect Day in Toronto, featuring Oracle ACE Director Cary Millsap, InfoQ.com editor and co-founder Floyd Marinescu, and members of Oracle's Enterprise Architecture team. Check it out: OTN Architect Center

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• What C++ libraries can be used in game development [closed]

  - by RedShft

  I'm currently in the planning stage for my next game, and since I've been away from C++ for a while I have some questions about helpful libraries. I plan on making a 2D game with SDL, constructing my own simple 2D engine. I plan on making this game for the PC. What libraries would you recommend to make this process easier? What about unittests? What about an enforce operator to throw exceptions? int a = 1; enforce(a == 2); //Throws an exception, Specifically, i'm looking for general purpose libraries, that implement that make my life easier (like boost). Also, a helpful library for physics/collision, AI, XML file parsing (specifically working with the Tiled map editor), and any others that you guys have used that are useful in a 2D game.

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• Cannot add DataTables.net javascript into Joomla 1.5

  - by mfmz

  I've been having this problem where i couldn't add Datatables.net javascript into my Joomla article. I have been trying to include it through Jumi. To say that my editor strips of the tag is somewhat not right as I have been able to execute Google Chart API in Joomla which also uses javascript. Any clue why? The code is as below : <link href="//datatables.net/download/build/nightly/jquery.dataTables.css" rel="stylesheet" type="text/css" /> <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script> <script src="//datatables.net/download/build/nightly/jquery.dataTables.js"></script> <script type="text/javascript"> $(document).ready( function () { var table = $('#example').DataTable(); } ); </script>

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• Resources on expected behaviour when manipulating 3D objects with the mouse

  - by sebf

  Hello, In my animation editor, I have a 3D gizmo that sits on the origin of a bone; the user drags the mesh around to rotate the bone. I've found that translating the 2D movements of the mouse into sensible 3D transforms is not near as simple as i'd hoped. For example what is intuitively 'up' or 'down'? How should the magnitude of rotations change with respect to dX/dY? How to implement this? What happens when the gizmo changes position or orientation with respect to the camera? ect. So far with trial and error i've written something (very) simple that works 70% of the time. I could probably continue to hack at it until I made something that works 99% of the time, but there must be someone who needed the same thing, and spent the time coming up with a much more elegant solution. Does anyone know of one?

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• Ogre3D : seeking advices about game files management

  - by Tibor

  I'm working on a new game, and its related level editor, based on Ogre3D. I was thinking about how i could manage the game files, knowing that Ogre use .mesh files for models, .material for materials/texture information etc... . At first i thought about a common .zip folder decompressed at runtime (the same way Torchlight and Ogre samples do). But this way the game assets become a monolithic archive, loading takes time, and could be difficult to eventually patch them. So, let's say i have a game object named "Cube" i want to load in my program. Going for modularity, what if i create a compressed file (using zlib compression routines) named Cube.extname, containing its sub-files Cube.mesh, Cube.material and so on ? Are there any alternatives or should i stick with compressed objects? PS: Just to clear things, the answer is unrelated to my program code, at the moment i'm using "resources.cfg" pointing to the OgreSDK media directory.

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• Alt Key + Mouse Scroll is the New Text Zoom In/Out in NetBeans

  - by Geertjan

  When the text zoom in/out, via "Ctrl Key + Mouse Wheel", was introduced in editors in a recent version of NetBeans IDE, many people cheered. Others booed because the combination "Ctrl Key + Mouse Wheel" is often pressed accidentally, especially when the user scrolls in the editor while intending to use some Ctrl shortcut, such as paste, which is Ctrl-v. So, in NetBeans IDE 7.2, the text zoom in/out is now "Alt Key + Mouse Wheel": http://netbeans.org/bugzilla/show_bug.cgi?id=212484 Remember that the text change only persists for as long as the file is open. So, if you've accidentally resized the text (i.e., in the current situation, prior to 7.2, where unintended side effects may happen because of Ctrl key usage), you can just close the file and reopen it to get the text size back to the way it was before.

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• Easiest, most fun way to program 2D games? Flash? XNA? Some other engine?

  - by Maxi

  Hi, this is a post detailing my search for the most enjoyable way for a hobbyist game programmer to sweeten his free time with making a game. My requirements: I looked at Flash first, I made a couple of small games but I'm doubtful of the performance. I would like to make a fairly large strategy game, with several hundred units fighting simultaneously, explosions and animations included. Also zoomable maps. I saw that Adobe has a new 3D API for Flash, but I don't know if that improves 2D performance aswell, I couldn't find anything related to that question on their MAX10 sessions. Would you say that Flash is a good technology for making large 2D games easily? I really like Actionscript, and I love how easy everything is in Flash. There are several engines available which make it even easier. I just do this for fun, and it would be even better if there were proper animation/particle editors available and if the engine I were to use, would be available for multiple platforms. (so more people can play my game once finished). I'd like to have it available on many mobile platforms aswell. (because I love touch input for some reason) I do know the XNA framework pretty well, but there are no good engines available for it, and it will only run on Windows, which is a huge turn off. Even bigger is, that you need to install the XNA redistributable each time you want to give the game to someone. If I use XNA, I would have to make all the tools myself, and I'd probably have to make them with WPF. (I'd love to make tools with Adobe AIR, but unfortunately the API's for image manipulation etc. are far worse in Flash, than they are in XNA/WPF.) Now, I'm aware that I could make my own engine that supports each of those platforms, but quite frankly, that would be too much work plowing through APIs. After all, I want to make a game, not an engine. So the question becomes: Is there maybe a cross platform (free or free to develop?) engine available that I could use for 2D development? I prefer: C#, Actionscript. I don't mind using c++ if the toolset is above average, but I highly doubt that there is something out there like that. Please prove me wrong :) So summary: I'd like to use Flash, but I don't know if it scales well enough. I'm not a scripter, I want some real APIs that I can work with inside a proper IDE. Just for information, I looked at several alternatives, I'm actually looking for a long time already. You'd help me a lot to make a decision finally. Feature-wise the Flatredball engine would be ideal. But I tried their tools, and quite frankly, they are horrible. Absolutely unusable, I'd need to make my own for sure. I didn't look at their API, but if their tools are so bad, I'm not inclined to look further. Unity3D. This one is quite nice, but I really don't need 3D, and it is quite ...a lot of work to learn. I also don't like that it is so expensive to use for different platforms and that I can only code for it through scripting. You have to buy each platform separately. The editor usability is average, the product overall is good enough for most purposes, but learning it myself would be overkill. Shiva 3D. It looks good enough, but again: I don't really need 3D. The editor usability is a little worse than Unity3D in my opinion and it wasn't clear to me how to start programming. I think it requires C++ for coding, so that's a negative too. I want to have fun, and c# is fun ;) SDL. Quite frankly, I'd still need to port to all those different SDL implementations. And I don't like OpenGL style programming, it's just plain ugly. And it needs c++, I know that there might be some wrappers available, but I don't like to use wrappers, because... Irrlicht. A lot of features, but support seems to be low and it is aimed at enthusiasts. C# bindings get dropped repeatedly. I'm not an engine enthusiast, I just want to make a game. I don't see this happening with Irrlicht. Ogre3D. Way too much work, it's just a graphics engine. Also no multiple platform support and c++. Torque2D. Costs something to use, and I didn't hear a lot of good things about support and documentation. Also costs extra for each platform.

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