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• Keeping rotation between two objects

  - by user99

  In my XNA game I have two objects that collide. When the first object collides with the other it is able to latch on to it and move it about the world. I am having a problem with the math here (Math isn't my strong point). I currently have the second object latch on to the first and move around with it, but I cannot get it to keep it's original direction. So, if the object is facing up it should keep this direction relative to how it is being rotated with the original item. Any tips on how I could best to achieve this?

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• Can you delete the Humanity icon theme safely?

  - by Alex

  I'm trying to reduce used space after running disk usage analyser, since I'm using a 40GB SSD. The icons use quite a bit of space! Could I delete those that I don't use, such as humanity? (I use Faenza-Dark) If it is possible, what would be the best way to this? as when I attempt to remove humanity in the Software Centre it says the software-centre itself must be removed. Similar problems arise with synaptic package manager. I was wary of just deleting the unused directories in usr/share/icons/. Thanks for the help!

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• What is Logical Volume Management and How Do You Enable It in Ubuntu?

  - by Justin Garrison

  Logical Volume Management (LVM) is a disk management option that every major Linux distribution includes. Whether you need to set up storage pools or just need to dynamically create partitions, LVM is probably what you are looking for. Latest Features How-To Geek ETC How to Upgrade Windows 7 Easily (And Understand Whether You Should) The How-To Geek Guide to Audio Editing: Basic Noise Removal Install a Wii Game Loader for Easy Backups and Fast Load Times The Best of CES (Consumer Electronics Show) in 2011 The Worst of CES (Consumer Electronics Show) in 2011 HTG Projects: How to Create Your Own Custom Papercraft Toy Outlook2Evernote Imports Notes from Outlook to Evernote Firefox 4.0 Beta 9 Available for Download – Get Your Copy Now The Frustrations of a Computer Literate Watching a Newbie Use a Computer [Humorous Video] Season0nPass Jailbreaks Current Gen Apple TVs IBM’s Jeopardy Playing Computer Watson Shows The Pros How It’s Done [Video] Tranquil Juice Drop Abstract Wallpaper

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• Adding Play Framework directory to my system path on Ubuntu 12.04 LTS

  - by Martha Kumi

  I just installed Ubuntu 12.04 LTS, I am very new to the Ubuntu OS and I would need help with it. I am trying to install this open source platform called Play Framework, to install it I need to add the installation directory to my system path, the documentation for Play says that I should open a terminal and type export PATH=$PATH:/to/path/play. I have tried this it did not work. I also tried sudo apt-get install play and that did not work either. I am completely lost now, I need help urgently because it is for work. Best Martha

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• How To Use DosBox for Windows 7

  While many modern games use every bit of technology available to give gamers the latest in graphics sound and advanced gameplay some just cannot duplicate the fun that old games used to offer. A lot of fun yet old DOS games will not run on modern computers or operating systems like Windows 7 keeping you from experiencing nostalgic gaming bliss. Thanks to an emulator called DOSBox however you can enjoy many old DOS games on your Windows 7 machines and it does not matter if you are running the 32-bit or 64-bit version of the operating system.... Comcast? Business Class - Official Site Learn About Comcast Small Business Services. Best in Phone, TV & Internet.

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• Calculating an orbit and approach velocties

  - by Mob

  I have drones in my game that need to approach and orbit a node and shoot at it. Problem is I want to stay away from a real physics simulation, meaning I don't want to give the node and drone a mass and the drone's thrusters' a force. I just want to find the best way to approach and then enter orbit. There was a pretty good answer about using bezier curves and doing it that way, but that is essentially a tween between two fixed points. The nodes are also moving as the drones enter orbit.

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• Creating a blog for software changes

  - by Dave

  I work for a small company where I maintain a number of project all at once. I would like to create a blog and note software changes/update so that I can keep track of things. Plus it will also serve as help tool for other if they need help. I would like to install something locally on my machine or network, either ASP or PHP is fine. Which software would you recommend? Is it good idea, bad idea? Has anyone done it? I have worked with wordpress and I like it but I am afraid it is not best for code snippets. Any thoughts I do use source control. I am not an expert on it though. I use three different development environment. 1. Visual Studio 2. Eclipse 3. SQL Server Management Studio

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• Mouse Not Working on Boot

  - by user88043

  I have seen several topics regarding this situation, but none of them truly address my issue (that, or there are no answers that solve the issue.) Upon booting into Ubuntu 12.04.1 x64 my mouse wired USB mouse (Steelseries Sensei if that makes any difference) either doesn't work or stops working immediately after the grub menu, prior to the login screen appearing. The cursor is present, but obviously not reactive to any mouse movement; even the LED on my mouse turns off (or fails to turn on.) The only way I've found to activate the mouse is to restart the computer, and even then it's 50/50 at best as to whether or not the mouse will be powered. This issue has never happened in Windows 7, so the mouse is operating properly on the hardware and connection side. Forgive my ignorance of Ubuntu (and Linux in general), but I was hopeful that someone would have some suggestions, or could at least instruct me on what to check in order to provide any further information for diagnoses.

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• Time tracking and payment registration architecture

  - by egis

  ?itle might be a little bit incorrect. :) Anyway, I'm building a software where employees input time they worked per day (work hours) and employer "pays" for this time. "Payment" is done outside this system, so employer just "confirms" (checkbox or something like this) which work hours are paid. So the question is - what is the best way (both UI and data storage wise) to implement this? At the moment I have this idea: Employee selects week and manually (with some Javascript helpers, like "fill the same time for all days") inputs work hours in every day of the week. Employer confirms payment the same way employee inputs data (selects week, confirms each day). Data is saved in DB as unix timestamp (one day per table row). Problem is 14 inputs (7 days * ("hours from" + "hours to" input), yet this approach seems kinda easy to implement. Maybe I'm overlooking something and this can be done differently and better? Maybe someone has any example of already working software?

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• I'm porting my app from iOS to Android: what do I need to know?

  - by kubi

  What pitfalls should I avoid? What Java language paradigms do Objective-C developers consistently misunderstand? I learned to program in Java, but I have worked in nothing but Objective-C for years now. How are the design patterns different between Android and iOS? If you've made the transition yourself, what parts of Android confused you or took you longer to learn than it should have? Is Eclipse the best OS X IDE for Android? For the record, my app is very strongly tied to UIKit and Foundation, so the word "porting" may be a misnomer; I'll actually be completely rewriting it for Android. No code reuse. Also, I'm doing this to learn Android, so I'd rather fail at the port and learn Android than take a shortcut.

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• A simple message room

  - by webbyJoe

  Can anyone recommend a simple message room (not chat room) which I can use for a private communication between my users. My idea: to grant some users (2-3 at the most) a specific privilege to talk privately in a message room. none of them would be administrator there. I need such features: - admin panel for adding users allowed to post messages in room - room invisible to anyone except users - filtering not-allowed words - Ajax-enabled so that replies appear immediately - other message room features I have a linux hosting so PHP message room would be the best option. I thought of using a forum for this, but it's too much work as a forum is public by nature and I need something private by nature. Any ideas? Thanks in advance.

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• Discussion of a Distributed Data Storage implementation

  - by fegol

  I want to implement a distributed data storage using a client/server architecture. Each data item will be stored persistently in disk in one of several remote servers. The client uses a library to update and query the data, shielding the client from its actual location. This should allow a client to associate keys (String) to values(byte[]), much as a Map does. The system must ensure that the amount of data stored in each server is approximately the same. The set of servers is known beforehand by other servers and clients. Both the client and the server will be written in Java, using sockets, threads, and files. I open this topic with the objective of discussing the best way to implement this idea, assuming simplicity, what are the issues of this implementation, performance measurements and discussion of the limitations.

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• TSQL Tuesday #15 – Maintaining Your Sanity While Managing Large Environments

  - by Jonathan Kehayias

  This month’s TSQL Tuesday event is being hosted by Pat Wright (Blog | Twitter) and the topic this month is Automation! “ I figured that since many of you out there set a goal this year to blog more and to learn Powershell then this Topic should help in both of those goals. So the topic I have chosen for this month is Automation! It can be Automation with T-SQL or with Powershell or a mix of both. Give us your best tips/tricks and ideas for making our lives easier through Automation.” Automation is...(read more)

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• Is it common to purchase an insurance policy for contract development work?

  - by Matthew Patrick Cashatt

  I am not sure if this is the best place for the question, but I am not sure where else to ask. Background I am a contract developer and have just been asked to provide a general liability policy for my next gig. In 6-7 years this has never been asked of me. Question Is this common? If so, can anyone recommend a good underwriter that focuses on what we do as contract software developers? I realize that Google could help me find underwriters but it won't give me unbiased public opinion about which companies actually understand what we do and factor that into the price of the policy. Thanks, Matt

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• Link tracking: Amazon or Google way

  - by Howard

  When doing a shopping site, the best way is to reference some successful stores, like Amazon. In the area of link tracking, for example, to see which section of your frontpage yield better conversion: Amazon way: Generate an unique URL for each link in the frontpage, such as http://www.amazon.com/gp/product/B0083Q04IQ/ref=s9_pop_gw_g424_ir04/175-6575053-9292830?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=0AMJCKBBQA63EP0XHB86&pf_rd_t=101&pf_rd_p=1263340922&pf_rd_i=507846 Google way Use Google Analytics <a href="/products/abc" onClick="javascript: pageTracker._trackPageview('/from-main-menu/products/abc');"> WHat are the pros and cons with the above two approaches (besides Google require JS support)?

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• SSMS Tools Pack 2.1.0 is out. Added support for SQL Server 2012 RC0.

  - by Mladen Prajdic

  This version adds support for SQL Server 2012 RC0 and fixes a few bugs with SQL History. Because of the support for regions in SSMS 2012 the regions and debug sections feature has been removed from SSMS Tools Pack for SQL Server 2012. The feature is still available for previous SSMS versions. In other news SSMS Tools Pack has won the SQL Magazine bronze award for best free tool of 2011. You can view all the details at the SQL Server Magazine Award page. Thanx to all the people who voted for it. I'm glad you all like it and use it with great success. Also I've added a possibility for you to subscribe to email notifications in case the auto-updater doesn't work for you for some reason like being behind a proxy. Enjoy it!

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• Why are the packages found with apt-get always horribly out of date?

  - by Andrew

  Whenever I use the package manager, it can only ever find really old versions of stuff. Example: sudo apt-get update sudo apt-get install postgresql The best it can do is version 8.4 (3 years out of date). Trying to get a later version, I get: $ sudo apt-get install postgresql-9.1 Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find package postgresql-9.1 I experience the same issue whenever I use the package manager, so I usually just download and build things from source. How can I make it find up-to-date software?

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• Drawing large 2D sidescroller level terrain

  - by Yar

  I'm a relatively good programmer but now that it comes to add some basic levels to my 2D game I'm kinda stuck. What I want to do: An acceptable, large (8000 * 1000 pixels) "green hills" test level for my game. What is the best way for me to do this? It doesn't have to look great, it just shouldn't look like it was made in MS paint with the line and paint bucket tool. Basically it should just mud with grass on top of it, shaped in some form of hills. But how should I draw it, I can't just take out the pencil tool and start drawing it pixel per pixel, can I?

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• Hello NHibernate! Quickstart with NHibernate (Part 1)

  - by BobPalmer

  When I first learned NHibernate, I could best describe the experience as less of a learning curve and more like a learning cliff.  A large part of that was the availability of tutorials.  In this first of a series of articles, I will be taking a crack at providing people new to NHibernate the information they need to quickly ramp up with NHibernate. For the first article, I've decided to address the gap of just giving folks enough code to get started.  No UI, no fluff - just enough to connect to a database and do some basic CRUD operations.  In future articles, I will discuss a repository pattern for NHibernate, parent-child relationships, and other more advanced topics. You can find the entire article via this Google Docs link: http://docs.google.com/Doc?docid=0AUP-rKyyUMKhZGczejdxeHZfOGMydHNqdGc0&hl=en Enjoy! -Bob

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• How To Send eBooks & Other Documents To Your Kindle

  - by Chris Hoffman

  Send to Kindle for PC makes it easy to put content on your Kindle, whether it’s a free ebook or a Word document. You can also email files to @Kindle.com or transfer them over USB, the old-fashioned way. Any documents you transfer over are stored in your Kindle Personal Documents online. When you buy a new Kindle, they’ll be automatically restored. You can also access your personal documents from Kindle apps on other platforms. The Best Free Portable Apps for Your Flash Drive Toolkit How to Own Your Own Website (Even If You Can’t Build One) Pt 3 How to Sync Your Media Across Your Entire House with XBMC

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• VertTwoFingerScroll and VertEdgeScroll not settable via xorg.conf

  - by James Wood

  I've just upgraded to Saucy (this was working in Raring). I've tried rebooting. Here's /etc/X11/xorg.conf: Section "InputClass" Identifier "Touchpad" Driver "synaptics" MatchIsTouchpad "on" Option "PressureMotionMinZ" "60" Option "MaxTapMove" "4" Option "PalmDetect" "1" Option "VertTwoFingerScroll" "1" Option "VertEdgeScroll" "0" EndSection And here's the output from synclient: LeftEdge = 100 RightEdge = 2408 TopEdge = 71 BottomEdge = 1249 FingerLow = 1 FingerHigh = 1 MaxTapTime = 180 MaxTapMove = 4 MaxDoubleTapTime = 180 SingleTapTimeout = 180 ClickTime = 100 EmulateMidButtonTime = 75 EmulateTwoFingerMinZ = 282 EmulateTwoFingerMinW = 7 VertScrollDelta = 56 HorizScrollDelta = 56 VertEdgeScroll = 1 HorizEdgeScroll = 1 CornerCoasting = 0 VertTwoFingerScroll = 0 HorizTwoFingerScroll = 0 MinSpeed = 1 MaxSpeed = 1.75 AccelFactor = 0.0705716 TouchpadOff = 2 LockedDrags = 0 LockedDragTimeout = 5000 RTCornerButton = 2 RBCornerButton = 3 LTCornerButton = 0 LBCornerButton = 0 TapButton1 = 1 TapButton2 = 3 TapButton3 = 0 ClickFinger1 = 1 ClickFinger2 = 1 ClickFinger3 = 0 CircularScrolling = 0 CircScrollDelta = 0.1 CircScrollTrigger = 0 PalmDetect = 1 PalmMinWidth = 10 PalmMinZ = 200 CoastingSpeed = 20 CoastingFriction = 50 PressureMotionMinZ = 60 PressureMotionMaxZ = 160 PressureMotionMinFactor = 1 PressureMotionMaxFactor = 1 ResolutionDetect = 1 GrabEventDevice = 1 TapAndDragGesture = 1 AreaLeftEdge = 0 AreaRightEdge = 0 AreaTopEdge = 0 AreaBottomEdge = 0 HorizHysteresis = 14 VertHysteresis = 14 ClickPad = 0 Notice that PressureMotionMinZ, MaxTapMove and PalmDetect are as specified in xorg.conf, but VertEdgeScroll and VertTwoFingerScroll aren't. I can set them temporarily via synclient VertEdgeScroll=0 and synclient VertTwoFingerScroll=1, but these changes are lost when I reboot. What's the best way of fixing this?

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• How to monetize and/or protect framework rights?

  - by Arthur Wulf White

  I made a game engine/framerwork for ActionScript 3 that allows very efficient and flexible level design for Platformers, Tower Defense game, RPG's, RTS and racing games. The algorithms I used are new and are not available in any other level editor I've seen. What are the best ways to benefit myself and others with my new framework? It is written for ActionScript 3 so unless I translate it to C# I'm guessing it will be decompiled and used by others. I want to have some lisence, allowing me to share the framework and still benefit from it. Any advice would be appreciated. This issue has been on my mind a lot this year. I am hoping to find a solution that will bring me some relief.

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• What can I put in my software development blog to make it a good showcase of me?

  - by Sean

  I have been itching to write a software development blog for some time now. The best advice I've received about blog writing is "Write the blog you would have want to read". Its good advice but its only half the story, Once you write a blog it becomes your showcase on the Internet, it is bound to come up on any search conducted by a future colleague or employer. It can be a good thing or it can do some serious damage. So if there are any hiring managers out there, can you give me a few pointers on what it is in a blog that give you a good impression about candidate and/or the kind of stuff that causes you to throw the candidate's resume to the nearest bean? Does a blog have to come up with a clever piece of code every week? (Don’t think I can manage it) Is it OK to blog more then not about development methods to improved quality and productivity (have a lot of ideas about that). Can I blog about stuff I did not try first hand but seems noteworthy?

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• How can I test if a point lies between two parallel lines?

  - by Harold

  In the game I'm designing there is a blast that shoots out from an origin point towards the direction of the mouse. The width of this blast is always going to be the same. Along the bottom of the screen (what's currently) squares move about which should be effected by the blast that the player controls. Currently I am trying to work out a way to discover if the corners of these squares are within the blast's two bounding lines. I thought the best way to do this would be to rotate the corners of the square around an origin point as if the blast were completely horizontal and see if the Y values of the corners were less than or equal to the width of the blast which would mean that they lie within the effected region, but I can't work out

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• Understanding Data Binding for Windows Phone 7

  - by nikhil

  I want to develop a simple app for the Windows Phone 7 platform. It's basically a vocabulary based game that involves the user moving word tiles from one area to another to score points. I want to know what is the best way of tying the UI to the game's backend? I saw the Windows Phone 7 jumpstart videos, there they touch up on Data Binding but don't really go into any depth. I'm a newbie and don't have any experience with designing the architecture for a phone app, It'd be great if someone could explain what steps I should be taking or guide me to a resource from where I could learn more.

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