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  • "Time Control" in a 2d Platformer

    - by Woody Zantzinger
    I am making a 2d platformer where the player can press a button, and restart the level, only their previous character will also run the level at the same time, like they are traveling back in time. I know other games have done this before, and the way I have thought of doing it is to make the game character have a set of actions (Idle, Jumping, Walking Left etc.) and then detect changes in those actions and log them into a list along with the game time. So then when I need the character to run the level again on its own, I can just go through the list changing its actions at the right time. Is this the best way to do it? Does anyone have any experience in this? Thanks.

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  • What is the traditional way to maintain extensibility in a database-driven application like this?

    - by Jsess
    I'm working on a simple application for a game in Java that allows a user to record whether they have collected a given item and how much experience it contains. This will work for multiple item types (weapons, armor) and each will have its own tab with a list of all items that qualify under it. Making changes as new types are added is not such a big deal (if a clothing slot is added, for instance), but new items are added to the game all the time in biweekly patches, and I'm not sure what the traditional/customary way to make sure the application is user-extensible without requiring me to would be. Whether that would be adding a configuration menu that allows users to add news items (new rows to the local SQLite database) or a text file with something similar, but I'm certain there's a well-accepted way to do this that I'm not aware of. I'm new to databases and ignorant of the solution, so what's the professional/futureproof way to do this?

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  • Public versus private inheritance when some of the parent's methods need to be exposed?

    - by Vorac
    Public inheritance means that all fields from the base class retain their declared visibility, while private means that they are forced to 'private' within the derived class's scope. What should be done if some of the parent's members (say, methods) need to be publicly exposed? I can think of two solution. Public inheritance somewhat breaks encapsulation. Furthermore, when you need to find out where is the method foo() defined, one needs to look at a chain of base classes. Private inheritance solves these problems, but introduces burden to write wrappers (more text). Which might be a good thing in the line of verbosity, but makes changes of interfaces incredibly cumbersome. What considerations am I missing? What constraints on the type of project are important? How to choose between the two (I am not even mentioning 'protected')? Note that I am targeting non-virtual methods. There isn't such a discussion for virtual methods (or is there).

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  • When dealing with a static game board, what are some methods to make it more interesting?

    - by Ólafur Waage
    Let's say you have a game board that you look at. It does not move but there is some action going on. For example Chess, Checkers, Solitaire. The game I'm working on is not one of this but it's a good reference. What are some methods you can apply to the game or the design that increases the appeal of the user to the game. Of course you can make it prettier but what are some other methods you can use? For example: Visual cues, game design changes, user interface arrangement, etc.

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  • ASP.NET MVC Portable Areas - Can they communicate and be used as a plugin-like architecture?

    - by Beton
    I'll get straight to the point: I was wondering if there is a common pattern to use portable areas as a components of a plugin-like architecture. Example: We've got 3 plugins (portable areas) packaged and distributed via NuGet feed. Each of them is following the standard MVC structure (has it own Models, Views and Controllers). Lets say login form, header and footer. What I was wondering if there is a way to make them communicate. For example: when user logs on, login plugin executes it own logic, logs the user and then it updates the state of the header plugin with changes it state accordingly. Thanks in advance.

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  • How can I force the Nautilus sidebar text color to stay white in my Ambiance modification?

    - by WarriorIng64
    This is related to How can I change the color of this part of Nautilus for my Ambiance theme modification?, which has just been solved. Now I have a new issue. As shown below, the text color for the sidebar does not want to stay white unless it is selected. It did earlier, but now it's not and I'm not sure why. How can I force that text to stay white in the theme files? (See the linked question above for a reference as to what changes I made; everything else is the same as regular Ambiance.)

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  • New Development Snapshot

    More fixes. Thanks to Kornl Pl for his patches, bug reports and work on porting gmcs to IKVM.Reflection. Changes: Removed mcs specific flag that is no longer required. Removed use of reflection for getting the slot of a java.lang.reflect.Field. Implemented RuntimeMXBean. Feature request #2994310. Implemented OperatingSystemMXBean. Added ikvmc option to disable automagic serialization. Fixed ikvmc to give a proper...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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  • Associating Palettes with View TopComponents

    - by Geertjan
    A side effect of changes in NetBeans Platform 7.1 in the NetBeans window system is that palettes can now be created for view TopComponents. Below, a TopComponent in the "explorer" position is selected, which results in the Palette opening and showing items that can be dragged into the TopComponent: And here, in the same application, a TopComponent in the "output" position is now selected, which causes the Palette to open, showing items that are relevant to the TopComponent: I copied code used in the above two TopComponents from this blog entry: https://blogs.oracle.com/geertjan/entry/simple_component_palette Related issue: http://netbeans.org/bugzilla/show_bug.cgi?id=209238

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  • License for library developed with commercial program

    - by Overv
    I'm developing a commercial application that largely depends on the functionality of a library that will be developed with it. I'd like to open-source this library, because it offers functionality that is not found elsewhere and can be useful in other applications. However, I will also use it in my own commercial application. I don't want to publish the source of the main application, but it is definitely not a derived work (think of calculator app using GPL licensed library to calculate sine). And if someone else commercially uses the library, I want to require them to publish any changes made. Is the GPL license suitable for this or is LGPL perhaps what I need?

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  • Why to let / not let developers test their own work

    - by pyvi
    I want to gather some arguments as to why letting a developer testing his/her own work as the last step before the product goes into production is a bad idea, because unfortunately, my place of work sometimes does this (the last time this came up, the argument boiled down to most people being too busy with other things and not having the time to get another person familiar with that part of the program - it's very specialised software). There are test plans in this case (though not always), but I am very much in favor of making a person who didn't make the changes that are tested actually doing the final testing. So I am asking if you could provide me with a good and solid list of arguments I can bring up the next time this is discussed. Or to provide counter-arguments, in case you think this is perfectly fine especially when there are formal test cases to test.

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  • Google I/O 2012 - What's Next for Chrome Extensions?

    Google I/O 2012 - What's Next for Chrome Extensions? Mike West Chrome's extension system offers developers more opportunities than ever to customize and enhance users' experience on the web. New APIs are landing on a regular basis that provide new functionality and deeper hooks into Chrome itself. Join us for a walk through bleeding edge changes to Chrome's extension framework that increase security, improve performance, and make it easier than ever for users to get up and running with the product of your hard work. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1372 29 ratings Time: 51:36 More in Science & Technology

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  • Hosting a website from a dynamic IP

    - by nick
    I recently upgraded my internet to the point that it is much faster and more reliable than my current webhost. I would like to move my current domain to be hosted at home, but my IP address is dynamic. As far as I know, I only get a new IP when I restart my modem and or router (which is almost never) or when cable one (my ISP) pushes out a firmware update (rarely). There are a few ways I can see doing this 1) convince my ISP to give me a static IP 2) assign my router my current IP to force a static IP (which might work?) 3) set my dns record to my current IP address and update it on the rare occasions that it changes. Obviously I'm hoping that the first one works, but I don't want to pay a lot of extra money (if that's what it takes) to get a static IP address. Has anyone had any luck with something like that?

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  • Silverlight Release History : Q1 2010 SP2 (version 2010.1.0603)

    Q1 2010 SP2 Changes: RadGrid What's New: Added ItemTemplate property to GridViewComboBoxColumn. Added: ColumnWidthChanged and ColumnWidthChanging events. Added: GridViewCsvExportOptions type to control exporting in CSV format. ElementExporting and ElementExported events added to GridViewDataControl. Changed the namespace of LookupElement from Telerik.Windows.Controls to Telerik.Windows.Controls.Gridview. What's Fixed: Fixing problem with ShowInsertRow when clicked numerous times resulting...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 serious/common are wordpress updating issues

    - by gyaani_guy
    I am currently deciding between a CMS (joomla OR wordpress )to dive deep into. I think I would go for wordpress, but the only thing thats holding me back are any potential issues with updating wordpress- that updating wordpress can break plugins, but is necessary because of security issues. How drastic are the changes in wordpress? say over a period of 2-3 years? from the perspective of someone intending to dive head first in its code. Should I fear regular updates breaking stuff ? Thanks

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  • aticonfig detects all graphics cards, but amdcccle shows the cards as disabled

    - by DevZer0
    I been having the strangest problem since few days ago. I have 3 ATI graphics cards and the aticonfig --list-adapter shows the following output * 0. 01:00.0 AMD Radeon HD 7900 Series 1. 02:00.0 AMD Radeon HD 7900 Series 2. 05:00.0 AMD Radeon HD 7900 Series when i do aticonfig --adapter=all --initial -f it generates the correct X config also. but after rebooting the output only show on primary monitor and when i look in amdcccle it shows the other 2 adapters as disabled. I tried with monitors attached and dummy plugs both but the situation doesn't change. Any idea whats causing this? also right clicking and making the adapter enabled in amdcccle and saving changes causes the X config to only have the adapter section and no screen section. after reboot the situation stays the same.

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  • Organic Business Networks -Don't Miss This Webcast!

    - by Michael Snow
    TUNE IN TODAY!! Oracle Social Business Thought Leaders Webcast Series Thursday, June 21st 10am PST  Organic Business Networks: Doing Business in a Hyper-Connected World Organic business networks connect people, data, content, and IT systems in a flexible, self-optimizing, self-healing, self-configuring and self-protecting system. Join us for this webcast and hear examples of how businesses today can effectively utilize the interconnectedness of emerging business information environments, adapt to changing conditions, and leverage assets effectively to thrive in a hyper-connected, globally competitive, information driven world. Listen as Featured Speaker, Michael Fauscette, GVP, Software Business Solutions, IDC, discusses: Emerging trends in social business that are driving transformative changes today The dynamic characteristics that make up social, collaborative, and connected enterprises Effective ways that technology combined with culture and process provide unique competitive advantage through new organic networked business models. Register now for the fifth Webcast in the Social Business Thought Leaders Series,“Organic Business Networks: Doing Business in a Hyper-Connected World.”

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  • Have you worked with a well designed application?

    - by Vilx-
    Inspired by this question, I started wondering - is there or has there ever been such a thing as a "well designed application"? One where the architecture would be perfect and no refactoring would ever be needed; code would be easy to read and understand even for someone new to the project; changes could be done with a 100% certainty that they won't break anything; etc? I must admit that whatever codebases I've worked with, they've all been more or less a mess. Even code that I start myself only stays organized at the start, and then slowly deteriorates as the time passes. I'm even starting to accept this as part of life and can't figure out whether I should be worried about that or not. So... is there such a thing as a "well designed application"? Or is all our code so shitty that there isn't even a point in trying to make it better, because it will never be good anyway?

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  • Automatically sync a folder to a USB when USB is plugged in?

    - by John
    Is there a way to sync a folder to an USB drive when the drive is plugged in? I'd like it to sync, or copy over changes, both ways. I've seen the Back In Time and Unison-GTK applications, but I'd like for it to run as soon as the drive is mounted. What I mean is, unintrusively sync the two folders without any input from myself besides setting it up. If this isn't possible, is it possible to run the application when the thumb drive is plugged in to remind myself to sync manually? Thanks!

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  • JavaFX 2.1.1 Documentation

    - by NancyH
    JavaFX 2.1.1 released on June 12, and few documents were updated on the docs.oracle.com/javafx website. Besides a new set of release documentation, the Concurrency in JavaFX article was updated with a discussion of how to cancel a task, with a code sample to illustrate that. A new section describes the WorkerStateEvent class and how to use the convenience methods such as cancelled, failed, running, scheduled, and succeeded, which are invoked when the Worker implementation state changes. Other documents were updated to reflect minor bug fixes, many of them contributed by JavaFX readers using the feedback alias in the sidebar of all of our documentation. Yes, we do respond and pay attention to what you say and at least try to point you in the right direction if we can't solve a problem you're having with a tutorial. We appreciate your feedback!

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  • PeopleTools 8.54 Pre-Release Notes Available

    - by Matthew Haavisto
    PeopleSoft's PeopleTools recently published pre-release notes for PeopleTools 8.54.  Pre-release notes provide more functional and technical details than the release value proposition. This document describes how enhancements function within the context of the greater business process. This added level of detail should enable project teams to answer the following questions: What delivered functionality will change? How will an upgrade or new implementation affect other systems? How will these changes affect the organization? After the project team has reviewed and analyzed the pre-release notes, business decision makers should be able to determine whether to allocate budget and initiate implementation plans. This document covers the following subjects: Platform support enhancements Development tools enhancements System administration tools enhancements Reporting and analytic tools enhancements Integration tools enhancements Lifecycle management tools enhancements Accessibility PeopleSoft Interaction Hub enhancements.

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  • How to ignore collision between two objects

    - by eren_trigger
    I have a player that shoots in the direction that it is facing. However, the shot that is created when I click, also destroys the player. How would I make the shot ignore collision with the player? Or better yet, how to make a shot destroy anything it touches and destroy itself without affecting the player? This is the code that controls collisions: function OnTriggerEnter (col : Collider) { Destroy(col.gameObject); } The shot is a trigger, but the player isn't. Not sure if this changes anything in this case. Thanks in advance. EDIT: http://gfycat.com/TediousAridFeline

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  • Ubuntu multiple issues (blank screen)

    - by Donavon
    Computer Specs I am having difficulties, to get Ubuntu 11.10 to work. For the 11.10 version, if I click install, or if I click try Ubuntu, I only get a blank screen, that just stays there. If I use "nomodeset", it changes to a loading screen and after about 2 minutes it goes back to black screen - however, before it goes black, i get a few errors, like: bad target number, or passwd error mode (something like that). I've also tried (xforcevesa, i915.modeset=0, nomodeset, radeon.modeset=0, i915.modeset=1) I have also tried the alternate installation, which installed fine, however when I boot up, select it from "grub", it goes black. I did manage to install 10.04, however the screen resolution was 800x600 and I couldn't fix it to 16:9 (my resolution). I don't wanna use 10.04, because I would like the new one 11.10, and would like to use it. Any help would be GREATLY appreciated. Thank you

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  • Rsyslog problem after ubuntu upgrade 10.4 to 12.4

    - by Oxymoron
    I was using Ubuntu 10.4 until last week for storing the log informations of a external device with rsyslog. After upgrading to ubuntu 12.4 the logging of TCP doesn't works anymore. (There are just no pakets visible - not even with tcpdump - aold ubuntu machine still sees the pakets.) UDP works with the identical configuration on the ubuntu machine and a "use UDP" on the external device. Are there any changes in rsyslog, that could explain this? My rsyslog.conf file looks like this (with more comments): $ModLoad imuxsock # provides support for local system logging $ModLoad imklog # provides kernel logging support (previously done by rklogd) #$ModLoad immark # provides --MARK-- message capability $KLogPath /proc/kmsg # provides UDP syslog reception $ModLoad imudp $UDPServerRun 514 # provides TCP syslog reception $ModLoad imtcp $InputTCPServerRun 514 ########################### #### GLOBAL DIRECTIVES #### ########################### $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat # Set the default permissions for all log files. # $FileOwner syslog $FileGroup adm $FileCreateMode 0640 $DirCreateMode 0755 $Umask 0022 $PrivDropToUser syslog $PrivDropToGroup syslog if $fromhost-ip startswith '192.168.0.10' then /var/log/caliDevice.log & ~ # local/regular rules, like '.' /var/log/syslog.log $IncludeConfig /etc/rsyslog.d/*.conf

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  • Free vs. Paid: Picking a Financial Model

    - by ashes999
    I finally embarked upon my first "paid" game. What this means is that I will incorporate some sort of monetization strategy in my game. This may mean making the app pay-to-download, making it "freemium" with paid content, or something else. Having never done something like this, I'm at a complete loss as to how to figure out what I should do. I know a couple of models (pay to download, freemium, etc.) and I can brainstorm some ideas. But how do I figure out what strategy to use? Perhaps there's some body of research on this? (I recall reading that MMOs popular in Korea use a model where cosmetic changes only are pay-to-buy; everything else is free).

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  • How to make LBP-1120 Canon printer work?

    - by cipricus
    Initially this question was limited to 11.10. Now I am in (Lubuntu) 12.10. (On the changes in the question see this meta question). Considering 11.10 I have tried different (or not so different) approaches - that also other users commented here. My main references were: the ubuntu official documentation website on the LBP Canon driver package, this Unixmen solution which partly refers to Radu Cotescu script that aims at providing a near-automated install, and an updated by Unixmen version of that very script (download here). None worked for me.

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