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• The chart web server control

  - by nikolaosk

  In this post I am going to present a hands on example on how to use the Chart web server control. It is built into ASP.Net 4.0 and it is available from the Toolbox in VS 2010.It is a very rich feature control that supports many chart types, had support for 3-D chart types,supports smart data labels and client side ajax support. Let's move on with our example. 1) Launch VS 2010. I am using the Ultimate edition but the express edition will work fine. 2) Create an empty web site from the available templates...(read more)

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• How do I get the child of a unique parent in ActionScript?

  - by Koen

  My question is about targeting a child with a unique parent. For example. Let's say I have a box people can move called box_mc and 3 platforms it can jump on called: Platform_1 Platform_2 Platform_3 All of these platforms have a child element called hit. Platform_1 Hit Platform_2 Hit Platform_3 Hit I use an array and a for each statement to detect if box_mc hits one of the platforms childs. var obj_arr:Array = [Platform_1, Platform_2, Platform_3]; for each(obj in obj_arr){ if(box_mc.hitTestObject(obj.hit)){ trace(obj + " " + obj.hit); box_mc.y = obj.hit.y - box_mc.height; } } obj seems to output the unique parent it is hitting but obj.hit ouputs hit, so my theory is that it is applying the change of y to all the childs called hit in the stage. Would it be possible to only detect the child of that specific parent?

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• How do you achieve a numeric versioning scheme with Git?

  - by Erlend

  My organization is considering moving from SVN to Git. One argument against moving is as follows: How do we do versioning? We have an SDK distribution based on the NetBeans Platform. As the svn revisions are simple numbers we can use them to extend the version numbers of our plugins and SDK builds. How do we handle this when we move to Git? Possible solutions: Using the build number from hudson (Problem: you have to check hudson to correlate that to an actual git version) Manually upping the version for nightly and stable (Problem: Learning curve, human error) If someone else has encountered a similar problem and solved it, we'd love to hear how.

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• Fiscal Cliff

  - by Carolyn Cozart

  As December 31, 2012 quickly approaches, so does the deadline to extend the Bush Era Tax Cuts which were extended under the Budget Control Act of 2011.  PeopleSoft realizes that there may be some customer anxiety over the delayed withholding tables. PeopleSoft is unable to move forward with delivering the tax changes until we get the official ruling and withholding tables from the IRS.  Please be assured that our legislative analysts are in the loop and are monitoring this situation daily.  Any changes will be included in a special posting. We have created a Knowledge Document in My Oracle Support, Document ID 1332295.1 to keep you up to date on the pending changes.

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• New host, high load?

  - by dotancohen

  A few minutes ago I signed up at a new webhost. I have yet to move my sites over. Upon initial SSH connection, I checked the load and memory usage, they do seem rather higher than I would like: # uptime 12:06:51 up 71 days, 23:23, 1 user, load average: 9.02, 9.49, 9.45 # free total used free shared buffers cached Mem: 33014800 31927192 1087608 0 2384812 17729816 -/+ buffers/cache: 11812564 21202236 Swap: 16787916 8584 16779332 Is that a bit to packed? I'm only paying about $5 USD per month, so I don't expect <0.1 loads, but ~10 is worrisome. Is it not? Also, there is no /etc/issue file so I tried other methods to guess the OS: # uname -a Linux box358.bluehost.com 2.6.32-20120131.55.1.bh6.x86_64 #1 SMP Tue Jan 31 15:43:27 EST 2012 x86_64 x86_64 x86_64 GNU/Linux # which yum /usr/bin/yum # which apt-get # That looks like CentOS / RHEL 6.2 possibly?

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• Upgrade from 10.10 to 11:04 to 11.10. X starts, Unity desktop not there

  - by Stefan Lasiewski

  I upgraded my Ubuntu Desktop 10.10 system to 11.04 and then 11.10. Now, when I start Ubuntu, the Unity desktop doesn't start correctly. Here's what I do: Start computer I log in via the GUI login screen The X Window System starts. I can see an arrow icon for the mouse, and can move it around the screen. Nothing else starts. There are no desktop icons, no launcher, no taskbar, etc. Right clicking on desktop does nothing. I've tried some common keyboard shortcuts ("Alt-tab" "Ctrl-Alt-T" "Ctrl-Alt-Backspace") but nothing happens. If I go to another Virtual Console, and run the command unity, the Unity desktop will start on my primary X desktop. However I'm seeing many problems like windows which are only half-drawn, some applications run without the familiar "Minimize, Maximize, Close" What's happening here? It seems that the X Window System started, but Unity did not start? How can I debug this?

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• Moving a body in a specific direction using XNA with Farseer Physics

  - by Code Assasssin

  I have a custom polygon attached to a body, which looks like this: What I am trying to accomplish is getting the body to move according to wherever the tip of the body is. So far this is what I've tried: if (ks.IsKeyDown(Keys.Up)) { body.ApplyForce(new Vector2(0, -20),body.GetLocalPoint(new Vector2(0,0))); } if (ks.IsKeyDown(Keys.Left)) { body.ApplyTorque(-500); } if (ks.IsKeyDown(Keys.Right)) { body.ApplyTorque(500); } The body rotates fine - but when I try making the body accelerate according to the tip of the body - assuming I have specified the tip correctly(I am pretty sure I haven't), it just spins around, as if I have applied Torque to it. Can anyone point me in the right direction of how to fix this problem?

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• Typical collision detection

  - by marcg11

  I would like to know how is the typical collision detection of most games. For example, you control a character which can move in 2 dimensional directions (except up and down). Now lets asume he walks into a wall, most of the games depending on character angle and the BB normal face will only stop the player in one axis, but will continue moving in the other along the wall axis. How is that done? I've only managed to stop the character from going through the wall by seting the position to the last one in the past frame if the new position colllisions the bounding box. But this just makes the player stop sharply and unrealisticly.

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• Migrate 12.04 Wubi install to new partition with corrupted win7 install and small hard drive

  - by Robin Clark

  The move from Win7 to Ubuntu 12.04 has been honestly awesome. But I've come into a snag because my Win7 inevitably broke. I can still boot into Ubuntu even though Win7 is broken (won't boot, can't repair). I'd like to Migrate Wubi to a real partition and forget about windows. Presumably under normal conditions I would run the Ubuntu live CD, create a new partition then log back into my Wubi install and migrate using the script to the new partition. But I'm worried if I do that I'll break my current wubi set-up and be unable to migrate. I have a small hard drive, only 75GB and unfortunately my backup drive recently died so can't migrate there first and transfer over either. Does anybody have any suggestions to solve this?

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• Question about component based design: handling objects interaction

  - by Milo

  I'm not sure how exactly objects do things to other objects in a component based design. Say I have an Obj class. I do: Obj obj; obj.add(new Position()); obj.add(new Physics()); How could I then have another object not only move the ball but have those physics applied. I'm not looking for implementation details but rather abstractly how objects communicate. In an entity based design, you might just have: obj1.emitForceOn(obj2,5.0,0.0,0.0); Any article or explanation to get a better grasp on a component driven design and how to do basic things would be really helpful.

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• Analog sticks not working, qtsixa+PCSX combination

  - by Otto Boström

  A few days ago I finally got my PS3 controller to work with QtSixA, and then in PCSX after some tweaking with the controls. But, I haven't figured out how on earth I will be able to get the analog sticks working. I've been triyng to add them in the controls for all angles in PCSX, where you move the analog stick the way it's supposed to be and then clicking a button to change the setting. I've enabled joysticks in the options for the controller, and my options in my controller are: [x] Enable buttons [x] Enable sensitive buttons [x] Enable Axis [ ] Enable accellerometers [ ] Enable Acceleration [ ] Enable Speed [ ] Enable position The controller is a standard PS3 controller, Dualshock 3. Plugged in with USB cable. Thanks in forehand!

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• Solving 2D Collision Detection Issues with Relative Velocities

  - by Jengerer

  Imagine you have a situation where two objects are moving parallel to one-another and are both within range to collide with a static wall, like this: A common method used in dynamic collision detection is to loop through all objects in arbitrary order, solve for pair-wise collision detection using relative velocities, and then move the object to the nearest collision, if any. However, in this case, if the red object is checked first against the blue one, it would see that the relative velocity to the blue object is -20 m/s (and would thereby not collide this time frame). Then it would see that the red object would collide with the static wall, and the solution would be: And the red object passes through the blue one. So it appears to be a matter of choosing the right order in which you check collisions; but how can you determine which order is correct? How can this passing through of objects be avoided? Is ignoring relative velocity and considering every object as static during pair-wise checks a better idea for this reason?

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• TFS 2008 to TFS 2010 moves and some issues

  - by Enrique Lima

  There have been many things going on this year around TFS.  Most of them had to do with migrations (I don’t call them upgrades for the most part since it involved new hardware and such).  Many were implementations using the Conchango SfTS template (now EMC). But there were others that were CMMI or Agile 4.0. Everything would move just fine, no issues.  That was until you attempted to run Test Case Management or run the last configuration steps for Lab Management. There is an error that states a project is not ready to run or integrate with Test or Lab Management.  And while there was some documentation on how to adjust and update the Agile WITs to work with it, there was still some disconnect to making it work with CMMI. Now there is a great post on how to run the “fix” from end to end. Check the post here:  TFS 2010: Enable Test Case Management for upgraded Team Projects

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• Export Foxbase database tables to csv

  - by RKS

  I have no experience with Foxbase whatsoever and I'm used to working with MySQL via phpmyadmin or interfaces like that. My company has a third party database we're trying to move away from, but we have no support from the company. The database is on our servers, but in a foxbase format. What kind tools do I need to convert these into other formats, or is there any type of admin UI I can tell them to use to export to csv or anything like that? Basically I'm asking how to export the foxbase tables to csv. Sorry if this question isn't clear or you need more information. I will edit with anything else you need.

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• If Apple made Cars [closed]

  - by benhowdle89

  There was a joke going round a few months(?) ago that if the GM industry kept up with the computer industry that we'd all be better off (in relation to driving and costs). There was also a counter joke that if Microsoft made Cars you would, for example, have to squeeze the wing mirror, honk the horn and move the gearstick the reboot the car (CTRL + ALT + DEL) This got me thinking in terms of Apple's recent iPad 2 release, if Apple made cars what would they be like? What sort of technological advancements would software developers and programmers be able to implement if you built a car in a similar fashion to building an iPhone app. Xcode is you Mechanics garage, as it were. What would a car look like if it was designed by Apple Chief of Design: Jonothan Ive?

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• HTG Explains: Why Does Photo Paper Improve Print Quality?

  - by Eric Z Goodnight

  So you’ve shelled out the money for a fancy inkjet photo printer, only you’re not impressed with the images you’re getting out of your standard office paper. Have you ever wondered why that photo paper works so much better? Surely, paper is paper, right? What can be so special about it? In this article, we’ll explore the differences between regular typing paper, why these differences are good for printing, and how to take advantage of them for superior photographic printing Latest Features How-To Geek ETC The 50 Best Registry Hacks that Make Windows Better The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek Settle into Orbit with the Voyage Theme for Chrome and Iron Awesome Safari Compass Icons Set Escape from the Exploding Planet Wallpaper Move Your Tumblr Blog to WordPress Pytask is an Easy to Use To-Do List Manager for Your Ubuntu System Snowy Christmas House Personas Theme for Firefox

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• Collisions between moving ball and polygons

  - by miguelSantirso

  I know this is a very typical problem and that there area a lot of similar questions, but I have been looking for a while and I have not found anything that fits what I want. I am developing a 2D game in which I need to perform collisions between a ball and simple polygons. The polygons are defined as an array of vertices. I have implemented the collisions with the bounding boxes of the polygons (that was easy) and I need to refine that collision in the cases where the ball collides with the bounding box. The ball can move quite fast and the polygons are not too big so I need to perform continuous collisions. I am looking for a method that allows me to detect if the ball collides with a polygon and, at the same time, calculate the new direction for the ball after bouncing in the polygon. (I am using XNA, in case that helps)

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• sprite animation system height recalculating has some issues

  - by Nicolas Martel

  Basically, the way it works is that it update the frame to show every let's say 24 ticks and every time the frame update, it recalculates the height and width of the new sprite to render so that my gravity logics and stuff works well. But the problem i am having now is a bit hard to explain in words only, therefore i will use this picture to assist me The picture So what i need basically is that if let's say i froze the sprite at the first frame, then unfreeze it and freeze it at the second frame, have the second frame's sprite (let's say it's a prone move) simply stand on the foothold without starting the gravity and when switching back, have the first sprite go back on the foothold like normal without being under the foothold. I had 2 ideas on doing this but I'm not sure it's the most efficient ways to do it so i wanna hear your inputs.

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• 302 Redirect causes garbage at end of Wordpress link in Facebook

  - by Joao

  When I try to link my Wordpress blog to Facebook, the url doesn't resolve properly. There's garbage appended at the end and Facebook is not able to retrieve information from the site. Happens in every page, post or main entry. Here's what happens: http://clarissarezende.com.br/ shows up in Facebook as http://clarissarezende.com.br/UPLcS/ (when copy/paste the link) and no information about the site shows up in FB. I'm using Wordpress 3.3.1 with ProPhoto 4. Recently I moved the DNS entry on my ISP. The blog is hosted at clarissarezende.com.br/public_html/blog2 and before the DNS would point to public_html and then I changed it to public_html/blog2. Note that I did not move any Wordpress files. Made the (I think) necessary changes all over Facebook, but still no dice... Any ideas on what can be happening?

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• Calculate gears rotation for a realtime simulation

  - by nkint

  Hi I'm trying to do a game with real time simulations of gears. There is a big Gear with inside a smaller gear. I managed to draw gears with different diameters but equal size teeth, but if i try to move the smaller one inside the bigger one the movement is odd. see the animated gif. the biggest gear is in center C1 and the small in the center C2. I calculate C2 position in this way: C2.x = C1.x + C1_RADIUS-C2_RADIUS) * cos(t); C2.y = C1.y - C1_RADIUS-C2_RADIUS) * sin(t); for t that goes from 0 to TWO_PI in n steps. I apply as rotation the angle t, but maybe it is wrong and i have to calculate another rotation for get a perfect joint

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• ubuntu cant be installed as it says GPU lock

  - by piyush bhardwaj

  i have win 7 running on my system i just wanna move to ubuntu 12.10 desktop version 36 bit but when i try to install the CD gets loaded start screen comes but suddenly texts line appears and screen goes black the text are - [189.463934] [drm] [noveau] 0000:02:00.0: GPU LOCK- switching to software fbcon [194.248014] [drm] [noveau] 0000:02:00.0: failed to idle channel 1 [199.504009] [drm] [noveau] 0000:02:00.0: failed to idle channel 3 and it goes on.....like this iam new to the linux system so dnt know much abt it ..so if any body can help me to solve my prblm.. my laptop is of HCL and it has 3 gb ram or 350 gb hard disk with nvidia graphic card ..it has 2 ghz pentium dual core it was manufactured in 2009.. so if any body can help i would be greatful and can be able to join ubuntu..

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• How to totaly remove blank screen screensaver?

  - by Xamidovic

  I have no screensaver installed but when I watch movies after a while blank screen comes and I have to get up every time and move mouse to continue watching the movie. It really pisses me off. I found this command "gsettings set org.gnome.desktop.screensaver idle-activation-enabled false" which allegedly disables blank screen... I put that command in once, and blank screen keeps doing its crap. I did it again, blank screen still works on its own and would not stop. Did it trice, and nothing. Please someone help me with this, I'm freaking out when trying to watch a decent movie. I'd have to mention that I once had "xscreensaver" installed but I removed it after awhile. Don't know if it has something to do with blank screen still work, maybe some else would know. PLEASE HELP !

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• Enabling DHCP without being connected

  - by Joe Philllips

  I was installing Ubuntu server the other night and I was not able to hook up to the network while installing because I don't have a monitor for my desktop machines. I had to go into the living room and connect to the HDTV instead. This leaves me without network connectivity. When installing it asks how I would like to set up the network. I would like to enable DHCP but it tries to detect a gateway when I do this and obviously it doesn't find anything. It won't let me move on without setting up an IP manually at that point. Isn't there a way I can enable DHCP for the next time it boots up instead? Why the need for it right then and there?

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• Good floor planner program?

  - by torbengb

  I'm planning to have a house built. I want to draw up some sketches on the computer, so I am looking for a program that can help me do this. It doesn't have to be a professional architecture tool; in fact that would be too complicated just yet (but maybe later on, for the detailed work...?). A simpler tool would be better. Features should include such things as ability to draw and move walls (not just using simple boxes), calculate room/floor area, add windows and doors, and the like. That's why Inkscape or OOo Presentation won't do. On Windows, a friend would just download a cracked professional architecture tool but that is not what I want to do. Suggestions?

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• Google Open-Sources Their Book Scanner

  - by Jason Fitzpatrick

  Google has released the hardware and software source for their high speed/non-destructive book scanner–If you’re looking to scan a large volume of books, save yourself the design work and check out the Linear Book Scanner project. The design is pretty slick; the scanner uses vacuum pressure to automatically turn the pages as it works. Check out the video above to see a Google Tech Talk about the project and then hit up the link below to grab the hardware and software files. Linear Book Scanner [via Hack A Day] Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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