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• Oracle FLEXCUBE delivers 'Bank-in-a-Box' with Oracle Database Appliance

  - by margaret hamburger

  Another great example of how Oracle Database Appliance simplifies the deployment of high availability database solutions making it easy for Oracle Partners and ISVs to deliver value added solutions to customers on a simple, reliable and affordable database platform. Oracle FLEXCUBE Universal Banking recently announced that it runs on Oracle Database Appliance X3-2 to deliver mid-size banks a compelling banking-in-a-box solution. With this certification, banks can benefit from a low-IT-footprint, high-performance, full-scale banking technology that is engineered to support end-to-end business requirements. In a recent performance test of Oracle FLEXCUBE Universal Banking on Oracle Database Appliance X3-2, the system managed more than 2.6 million online transactions in 60 minutes. This equated to roughly 744 transactions per second with an average response time of 156 milliseconds for 98 percent of the transactions. Likewise, the solution completed end-of-month batch processing for 10 million customer accounts in 123 minutes during the performance test.  Learn more about Oracle Database Appliance Solution-in-a-Box.

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• Platformer gravity where gravity is greater than tile size

  - by Sara

  I am making a simple grid-tile-based platformer with basic physics. I have 16px tiles, and after playing with gravity it seems that to get a nice quick Mario-like jump feel, the player ends up moving faster than 16px per second at the ground. The problem is that they clip through the first layer of tiles before collisions being detected. Then when I move the player to the top of the colliding tile, they move to the bottom-most tile. I have tried limiting their maximum velocity to be less than 16px but it does not look right. Are there any standard approaches to solving this? Thanks.

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• I feel stuck in the center of Python, How to get past beginner

  - by Isov5

  I really apologize if this doesn't follow the S.O rules but I need a little help, I personally still classify myself as a beginner in python, Yet I've wrote a very small and VERY SURE impractical program for my boss to use. I know I'm still a beginner because simple things still perplex me but every book I read for beginners honestly just rehashes what I do already know but every 'more advanced' book doesn't really allow me to learn, they depend on example files and I never really understand why they built 'said' function or 'said' class. So onto my question... Is there any recommendations on a book or ANYTHING that pushes me out of this stage, I've used head first and normally they are really good but my issue there is they have me back tracking just to move forward again, It worked in HTML but its confusing in Python, basically I think I need to build a program while following along, Again I like HeadFirst's style but I need something that isn't going to make me have to remember one thing just to forget it... for record, I've checked into some O'Reilly books

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• Beginner's guide to writing comments?

  - by Cameron

  Is there a definitive guide to writing code comments, aimed at budding developers? Ideally, it would cover when comments should (and should not) be used, and what comments should contain. This answer: Do not comment WHAT you are doing, but WHY you are doing it. The WHAT is taken care of by clean, readable and simple code with proper choice of variable names to support it. Comments show a higher level structure to the code that can't be (or is hard to) show by the code itself. comes close, but it's a little concise for inexperienced programmers (an expansion on that with several examples and corner cases would be excellent, I think).

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• How to determine number of resources to be allocated in a software project

  - by aditi

  Last day I have been interviewed and the interviwer asked me as given the outline of a project, how can we determine the number of resources to be needed for the same? I donot know to do do so? Is there any standard way of doing so? or is it based on the experience? or how.... I am pretty new in this activity and my knowledge is zero at present .... so any clear explanation with some example(simple) will help me(and people like me) to understand this. Thanks

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• Circular Bullet Spread not Even

  - by SoulBeaver

  I'm creating a bullet shooter much in the style of Touhou. Right now I want to have a very simple circular shot being fired from the enemy. See this picture: As you can see, the spacing is very uneven, which isn't very good if you want to survive. The code I'm using is this: private function shoot() : void { const BULLETS_PER_WAVE : int = 72; var interval : Number = BULLETS_PER_WAVE / 360; for (var i : int = 0; i < BULLETS_PER_WAVE; ++i { var xSpeed : Number = GameConstants.BULLET_NORMAL_SPEED_X * Math.sin(i * interval); var ySpeed : Number = GameConstants.BULLET_NORMAL_SPEED_Y * Math.cos(i * interval); BulletFactory.createNormalBullet(bulletColor_, alice_.center, xSpeed, ySpeed); } canShoot_ = false; cooldownTimer_.start(); } I imagine my mistake is in the sin, cos functions, but I'm not entirely sure what's wrong.

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• Alternative ways to make a battle system in a mobile indie game more fun and engaging

  - by Matt Beckman

  I'm developing an indie game for mobile platforms, and part of the game involves a PvP battle system (where the target player is passive). My vision is simple: the active player can select a weapon/item, then attack/use, and display the calculated outcome. I have a concept for battle modifiers that affect stats to make it more interesting, but I'm not convinced this by itself will add enough of a fun factor. I've received some inspiration from the game engine that powers Modern War/Kingdom Age/Crime City, but I want more control to make it more fun. In those games, you don't have the option to select weapons or use items, and the "battling" screen is simply 3D eye candy. Since this will be an indie game, I won't be spending $$$ on a team of professional 3D artists/animators, so my edge needs to be different. What are some alternatives to expensive eye candy that you or others have used to make a non-3D PvP game more fun and engaging? Did the alternative concepts survive the release?

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• Renderbuffer to GLSL shader?

  - by Dan

  I have a software that performs volume rendering through a raycasting approach. The actual raycasting shader writes the raycasted volume depth into a framebuffer object, through gl_FragDepth, that I bind before calling the shader. The problem I have is that I would like to use this depth in another shader that I call later on. I figured out that the only way to do that is to bind the framebuffer once the raycasting has finished, read the depthmap through something like glReadPixels(0, 0, m_winSize.x , m_winSize.y, GL_DEPTH_COMPONENT, GL_FLOAT, pixels); and write it to a 2D texture as usual glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_winSize.x, m_winSize.y, 0, GL_DEPTH_COMPONENT, GL_FLOAT, pixels) and then pass this 2D texture that contains a simple depth map to the other shader. However, I am not entirely sure that what I do is the proper way to do this. Is there anyway to pass the framebuffer that I fill up in my raycasting shader to the other shader?

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• WIX 3.5 Unexpected Child Element iis:Certificate

  - by Wil Peck

  Came across this today when I switched from WIX 3.0 and VS 2008 to WIX 3.5 and VS 2010.  The solution ended up being pretty simple.  Just need to update the Wix Project Properties to provide an additional parameter to the compiler and linker. These can be found at Wix Installer Project Properties > Tool Settings > Additional Parameters Compiler and Wix Installer Project Properties > Tool Settings > Additional Parameters Linker.  Just make sure to add ‘-ext WixIIsExtension’ in the fields and recompile.   Technorati Tags: WIX,WIX 3.5,Help

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• Web application framework for embedded systems?

  - by datenwolf

  I'm currently developing the software for a measurement and control system. In addition to the usual SCPI interface I'd also give it a nice HTTP frontend. Now I don't want to reinvent the wheel all over again. I already have a simple HTTPD running, but I don't want to implement all the other stuff. So what I'm looking for is a web application toolkit targeted at embedded system development. In particular this has to run on a ARM Cortex-M4, and I have some 8k of RAM available for this. It must be written in C. Is there such a thing or do I have to implement this myself?

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• Microsoft Discontinuing Windows Home Server

  - by Jason Fitzpatrick

  As part of their ongoing push to simplify their product lineups, Microsoft is discontinuing their popular small office/home server platform Windows Home Server. On to see the new alternative for small volume users. Although, in the context of the simplification push, it shouldn’t seem surprising, many people were in fact surprised by Microsoft’s move to drop the extremely popular and economical WHS platform. Now, instead of dropping $99 on a copy of WHS to build their simple home servers users will find themselves on the first tier of the new Windows Server 2012 pricing ladder: a copy of Essentials for $425. There is one version below Essentials, Foundation, but it’s currently OEM only. Hit up the link below to see the new features and pricing structure of Windows Server 2012. Windows Server 2012 [via RedmondPie] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Storage and BackUp Strategies

  - by Chandra Vennapoosa

  Many of us are familiar with backing up our data.  While it sounds pretty simple, the fact is that most of the computer users do not backup their data. Some of the excuses which they often make involve how long it takes, how slow it is, or how many DVDs or disks they need. However, once disaster strikes, the loss that you will suffer by not having your data backed up can be very severe. Topics Introduction What is an Online Back Up? Online Back Up Strategies Implementing Disaster Avoidance Implementation and Storage Security Issues to Consider Reader complete article : Storage and BackUp Strategies

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• List of custom Launchers & Quicklists for Unity

  - by Nik

  Creating a custom launcher for Unity is simple. Quicklists provide an easy and efficient way to quickly access commonly used tasks for a specific application. NOTE: Starting with Ubuntu 11.10, this popup option has vanished. Launchers can now only be created by editing text files in your home folder. Creating a custom launcher is easy. Right-click on your desktop and click create a launcher. Edit the .desktop file using a text editor. (More information can be found here and here.) So, which custom launchers do you use on Unity? Note: Please limit yourself to one custom launcher per answer. Also, please provide a screenshot of it in action.

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• Readability of || statements

  - by Devin G Rhode

  On HTML5 Boilerplate they use this code for jQuery: <!-- Load jQuery with a protocol relative URL; fall back to local if offline --> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></scrip> <script>window.jQuery || document.write('<script src="js/libs/jquery-1.7.2.min.js"><\/script>')</script> The question is simple, what's more readable: if (!jQuery) document.write( -local jQuery- ); or window.jQuery || document.write( -local jQuery- );

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• Bash script not working as required with xbindkeys

  - by RanRag

  I made a simple bash script to display a notification whenever my capslock key is pressed. It works fine when I call it like bash capsnotify.sh. The problem now is when I bind my above script to capslock key using xbindkeys tool it doesn't work as required. It shows a notification caps ON when my caps is on but it doesn't show caps OFF notification when my caps is off instead it again shows the caps ON notification. capsnotify.sh #!/bin/bash value=$(xset -q | awk '/Caps/ {print $4}') if [ "$value" == "on" ] then notify-send "caps ON" elif [ "$value" == "off" ] then notify-send "caps OFF" fi .xbindkeysrc "bash /home/ranveer/capsnotify.sh" m:0x2 + c:66 So, the problem is after binding my caps lock key on both events(on/off) it shows caps ON notification.

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• Web Service - SOAP

  - by seth

  My experience with web services is slim and I'm trying to understand this a little bit more. I have done for instance a web service using visual studio. In order to use it, I add a web service reference in my projects and this creates a proxy and the use is pretty simple. Does this use SOAP? I ask this because i will be now facing a web service that i must communicate using SOAP with attachements and i'm trying to understand the concept behind this and the difference to what i have done so far. Will the proxy still be viable or do i need to create the XML by hand and post it to the web service? This concepts still confuse and so any help is appreciated. EDIT: I'm not developing the service, i will be just using it.

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• How do walls affect lighting?

  - by Milkboat

  I have been trying to implement a simple form of lighting in my 2D game. In the screenshot, I don't think it looks very good, kind of just plastered over the top of the map. How would the wall effect how the lighting is displayed? Just looking for tips on how to make my lighting look a bit better. Right now I gave each tile a light value and I change that depending on if there is a light source near by. I don't take in account if there are any objects near by. Screenshot:

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• Country specific SEO

  - by John

  I have a wordpress site which is located at a .com address. The site is a simple 4 page personal site with my academic credentials, publications and a health blog that I started. I have done quite a bit of seo and I rank pretty high for the keywords i want on google.co.uk. However, I do not rank at all on google.com.mt which is the Malta specific search. I have therefore just bought the .com.mt domain and pointed the DNS nameservers to my current host provider and redirected it to the .com address. My goal is to make sure I don't screw up my google.co.uk search ranking, while starting to rank on google.com.mt I'm I doing the right thing or do you have any suggestions??

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• Cool Cleaner for Android Makes Cache and History Wiping a Snap

  - by Jason Fitzpatrick

  Cool Cleaner for Android is a free application that consolidates the process of clearing the varies caches and histories on your Android dead-simple wiping. If you frequently clear the cache and history files for applications on your phone, Cool Cleaner will save you a ton of time. Rather than navigating to various applications and sub-menus to clear out the cache and the history, Cool Cleaner acts as a dashboard for all your apps. From the History and Cache tabs in the app you can wipe everything from your outgoing call log to your Market search history and more. If the app has a history file or cache you can wipe it from Cool Cleaner–including non-stock apps like Facebook, TweetDeck, game apps, etc. Cool Cleaner is a free ad-supported application. Hit up the link below to read more and grab a copy. Cool Cleaner [Android Market via Addictive Tips] How To Make a Youtube Video Into an Animated GIFHTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear Monitors

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• Single IBAction for multiple UIButtons versus single IBAction for single UIButton

  - by Miraaj

  While using story-board there are two different approaches which my team mates follow: Approach 1: To bind unique action with each button, ie: Done button - binded to - doneButtonAction Cancel button - binded to - cancelButtonAction OR Approach 2: To bind single action to multiple buttons, ie: Done button - binded to - commonButtonAction Cancel button - binded to - commonButtonAction Then in commonButtonAction they prefer to use switch case like this: - (IBAction)commonButtonAction:(id)sender { UIButton *button = (UIButton *)sender; switch (button.tag) { case 201: // done button [self doneButtonAction:sender]; break; case 202: // cancel button [self cancelButtonAction:sender]; break; default: break; } } - (void)cancelButtonAction:(id)sender { // no interesting stuff, simple dismiss of view :-( } - (void)doneButtonAction:(id)sender { // some interesting stuff ;-) } Reasoning which they give to follow approach 2 is - in each view controller during code walk through anyone can easily identify where to find code related to button actions. While others discard this idea because they say that adding an extra switch case is unnecessary and is not a common practice. What are your views?

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• Game Physics: Implementing Normal Reaction from ground correctly

  - by viraj

  I am implementing a simple side scrolling platform game. I am using the following strategy while coding the physics: Gravity constantly acts on the character. When the character is touching the floor, a normal reaction is exerted by the floor. I face the following problem: If the character is initially at a height, he acquires velocity in the -Y direction. Thus, when he hits the floor, he falls through even though normal force is being exerted. I could fix this by setting the Y velocity to 0, and placing him above the floor if he has collided with it. But this often leads to the character getting stuck in the floor or bouncing around it. Is there a better approach ?

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• A problem with Bash script

  - by c.sokun

  I want to write a simple script to detect a file created by Windows virus, usually it create an .exe file with the same name as the directory it drop. Here is the script it only work if the path name doesn't contain \n. Can someone help me fix this script please! #!/bin/bash if [ $# == 0 ]; then echo "" echo "==== Give me a directory to begin with! ====" echo "" exit fi for f in `find $1 -name '*.exe'` | do filename=`basename "$f" .exe` dir_name=`dirname "$f"` current_dir_name=`basename "$dir_name"` if [ $filename == $current_dir_name ]; then rm -f "$f" # It can't remove file where path contain space or \n ??!! fi done

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• A good interpreted language for a small embedded project

  - by Earlz

  I have an mbed which has a small ARM Cortex M3 on it. Basically, my effective resources for the project are ~25Kb of RAM and ~400Kb of Flash. For I/O I'll have a PS/2 keyboard, a VGA framebuffer(with character output), and an SD card for saving/loading programs(up to a couple of Mb maybe) The reason I ask this here is because I'm trying to figure out what programming language to implement on the thing. I'm looking for an interpreted language that's easy for me to implement, and won't break the bank on my resources. I also intend for this to be at least possible to write on th device itself, though the editor can be interpreted(yay bootstrapping) Anyway, I've looked at a few simple languages. Some nice candidates: Forth BASIC Scheme? Has anyone done something like this or know of any languages that can fit this bill or have comments about my three candidates so far?

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• Versioning Strategy for Service Interfaces JAR

  - by Colin Morelli

  I'm building a service oriented architecture composed (mostly) of Java-based services, each of which is a Maven project (in an individual repository) with two submodules: common, and server. The common module contains the service's interfaces that clients can include in their project to make service calls. The server submodule contains the code that actually powers the service. I'm now trying to figure out an appropriate versioning strategy for the interfaces, such that each interface change results in a new common jar, but changes to the server (so long as they don't impact the contract of the interfaces) receive the same common jar. I know this is pretty simple to do manually (simply increment the server version and don't touch the common one), but this project will be built and deployed by a CI server, and I'd like to come up with a strategy for automatically versioning these. The only thing I have been able to come up with so far is to have the CI server md5 the service interfaces.

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• How to make sudo remember my password and how to add an application to startup

  - by Bragboy

  I guess this should be a simple thing for ubuntu users out there. I have two questions. Whenever I need to run some command that requires permission from root, I run as sudo followed by that command. It would be nice if that does not prompt for password (but I should still be issuing a sudo to make sure that I know what I am doing). How to do this? Every time I start my system, I go to terminal and start my VPN using sudo vpnc. This is almost everytime! How to automate this to a startup script? Help much appreciated! Thanks

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