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• Move a sphere along the swipe?

  - by gameOne

  I am trying to get a sphere curl based on the swipe. I know this has been asked many times, but still it's yearning to be answered. I have managed to add force on the direction of the swipe and it works near perfect. I also have all the swipe positions stored in a list. Now I would like to know how can the curl be achieved. I believe the the curve in the swipe can be calculated by the Vector dot product If theta is 0, then there is no need to add the swipe. If it is not, then add the curl. Maybe this condition is redundant if I managed to find how to curl the sphere along the swipe position The code that adds the force to sphere based on the swipe direction is as below: using UnityEngine; using System.Collections; using System.Collections.Generic; public class SwipeControl : MonoBehaviour { //First establish some variables private Vector3 fp; //First finger position private Vector3 lp; //Last finger position private Vector3 ip; //some intermediate finger position private float dragDistance; //Distance needed for a swipe to register public float power; private Vector3 footballPos; private bool canShoot = true; private float factor = 40f; private List<Vector3> touchPositions = new List<Vector3>(); void Start(){ dragDistance = Screen.height*20/100; Physics.gravity = new Vector3(0, -20, 0); footballPos = transform.position; } // Update is called once per frame void Update() { //Examine the touch inputs foreach (Touch touch in Input.touches) { /*if (touch.phase == TouchPhase.Began) { fp = touch.position; lp = touch.position; }*/ if (touch.phase == TouchPhase.Moved) { touchPositions.Add(touch.position); } if (touch.phase == TouchPhase.Ended) { fp = touchPositions[0]; lp = touchPositions[touchPositions.Count-1]; ip = touchPositions[touchPositions.Count/2]; //First check if it's actually a drag if (Mathf.Abs(lp.x - fp.x) > dragDistance || Mathf.Abs(lp.y - fp.y) > dragDistance) { //It's a drag //Now check what direction the drag was //First check which axis if (Mathf.Abs(lp.x - fp.x) > Mathf.Abs(lp.y - fp.y)) { //If the horizontal movement is greater than the vertical movement... if ((lp.x>fp.x) && canShoot) //If the movement was to the right) { //Right move float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,10,16))*power); Debug.Log("right "+(lp.x-fp.x));//MOVE RIGHT CODE HERE canShoot = false; //rigidbody.AddForce((new Vector3((lp.x-fp.x)/30,10,16))*power); StartCoroutine(ReturnBall()); } else { //Left move float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,10,16))*power); Debug.Log("left "+(lp.x-fp.x));//MOVE LEFT CODE HERE canShoot = false; //rigidbody.AddForce(new Vector3((lp.x-fp.x)/30,10,16)*power); StartCoroutine(ReturnBall()); } } else { //the vertical movement is greater than the horizontal movement if (lp.y>fp.y) //If the movement was up { //Up move float y = (lp.y-fp.y)/Screen.height*factor; float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,y,16))*power); Debug.Log("up "+(lp.x-fp.x));//MOVE UP CODE HERE canShoot = false; //rigidbody.AddForce(new Vector3((lp.x-fp.x)/30,10,16)*power); StartCoroutine(ReturnBall()); } else { //Down move Debug.Log("down "+lp+" "+fp);//MOVE DOWN CODE HERE } } } else { //It's a tap Debug.Log("none");//TAP CODE HERE } } } } IEnumerator ReturnBall() { yield return new WaitForSeconds(5.0f); rigidbody.velocity = Vector3.zero; rigidbody.angularVelocity = Vector3.zero; transform.position = footballPos; canShoot =true; isKicked = false; } }

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• Planning development when academic research is involved

  - by Another Anonymous User

  Dear fellow programmers, how do you do "software planning" when academic research is involved? And, on a side note, how do you convince your boss that writing software is not like building a house and it's more like writing a novel? The gory details are below. I am in charge of a small dev team working in a research lab. We started developing a software with the purpose of going public one day (i.e. sell and make money off that). Such software depends on, amongst other things, at least two independent research lines: that is, there are at least two Ph.D. candidates that will, hopefully, one day come out with a working implementation of what we need. The main software depends also on other, more concrete resources that we as developers can take care of: graphics rendering, soft bodies deformation, etc. My boss asked me to write the specifications, requirements AND a bloody GANTT chart of the entire project. Faced with the fact that I don't have a clue about the research part, and that such research is fundamental for the software, he said "make assumptions." For the clarity of the argument, he is a professor whose Ph.D. students should come up with the research we need. And he comes from a strictly engineering background: plan everything first, write down specifications and only then write down code that "it's the last part". What I am doing now: I broke down the product in features; each 'feature' is, de facto, a separate product; Each feature is built on top of the previous one; Once a feature (A) has a working prototype the team can start working on the next feature (B), while QA for is being done for A (if money allows, more people can be brought in, etc.); Features that depend on research will come last: by then, hopefully, the research part will be completed (when is still a big question) ; Also, I set the team to use SCRUM for the development of 'version 1.0', due in a few months. This deadline could be set based on reasonable assumptions: we listed all required features, we counted our availability, and we gave a reasonable estimate. So my questions, again, are: How do I make my boss happy while at the same time get something out the door? How do I write specifications for something we -the developers- have no clue whether it's possible to do or not? (We still haven't decided which libraries to use for some tasks; we'll do so when we'll need to) How do I get the requirements for that, given that there are yet no clients nor investors, just lots of interests and promises? How do I get peace in the world? I am sure at least one of my questions will be answered :) ps: I am writing this anonymously since a potential investor might backfire if this is discovered. Hope you'll understand. However I must say I do not like this mentality of 'hiding the truth': this program will likely benefit many, and not being able to talk openly about this (with my name and my reputation attached) feels like censorship. But alas, I care more about your suggestions now.

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• Enterprise Manager in EPM 11.1.2.x...a game of hide and seek!

  - by THE

  Normal 0 21 false false false DE X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} guest article: Maurice Bauhahn: Users of Oracle Hyperion Enterprise Performance Management 11.1.2.0 and 11.1.2.1 may puzzle why the URL http://<servername>:7001/em may not conjure up Enterprise Manager Fusion Middleware Control. This powerful tool has been installed by default...but WebLogic may not have been 'Extended' to allow you to call it up (we are hopeful this ‘Extend’  step will not be needed with 11.1.2.2). The explanation is on pages 425 and following of the following document: http://www.oracle.com/technetwork/middleware/bi-foundation/epm-tips-issues-1-72-427329.pdf A close look at the screen dumps in that section reveals a somewhat scary prospect, however: the non-AdminServer servlets had all failed (see the red down-arrow icons to the right of their names) after the configuration! Of course you would want to avoid that scenario! A rephrasing of the instructions might help: Ensure the WebLogic AdminServer is not running (in a default scenario that would mean port 7001 is not active). Ensure you have logged into the computer as the installing owner of EPM. Since Enterprise Manager uses a LOT of resources, be sure that there is adequate free RAM to accommodate the added load. On the machine where WebLogic AdminServer is set up (typically the Foundation Services machine), run \Oracle\Middleware\wlserver_10.3\common\bin\config (config.sh on Unix). Select the 'Extend an existing WebLogic domain' option, and click the 'Next' button. Select the domain being used by EPM System. - Typically, the default domain is created under /Oracle/Middleware/user_projects/domains and is named EPMSystem. - Click 'Next'. Under 'Extend my domain automatically to support the following added products' - place a check mark before 'Oracle Enterprise Manager - 11.1.1.0 [oracle_common]' to select it. - Continue accepting the defaults by clicking 'Next' on each page until - on the last page you click 'Extend'. - The system will grind for a few minutes while it configures (deploys?) EM. - Start the AdminServer. Sometimes there is contention in the startup order of the various servlets (resulting in some not coming up). To avoid that problem on Microsoft Windows machines you may start and stop services via the following analogous command line commands to those run on Linux/Unix (these more carefully space out timings of these events): Ensure EPM is up:\Oracle\Middleware\user_projects\epmsystem1\bin\start.bat Ensure WebLogic is up:\Oracle\Middleware\user_projects\domains\EPMSystem\bin\startWebLogic.cmd Shut down WebLogic:\Oracle\Middleware\user_projects\domains\EPMSystem\bin\stopWebLogic.cmd Shut down EPM:\Oracle\Middleware\user_projects\epmsystem1\bin\stop.bat  Now you should be able to more successfully troubleshoot with the EM tool:

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• Why Is Hibernation Still Used?

  - by Jason Fitzpatrick

  With the increased prevalence of fast solid-state hard drives, why do we still have system hibernation? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. The Question SuperUser reader Moses wants to know why he should use hibernate on a desktop machine: I’ve never quite understood the original purpose of the Hibernation power state in Windows. I understand how it works, what processes take place, and what happens when you boot back up from Hibernate, but I’ve never truly understood why it’s used. With today’s technology, most notably with SSDs, RAM and CPUs becoming faster and faster, a cold boot on a clean/efficient Windows installation can be pretty fast (for some people, mere seconds from pushing the power button). Standby is even faster, sometimes instantaneous. Even SATA drives from 5-6 years ago can accomplish these fast boot times. Hibernation seems pointless to me [on desktop computers] when modern technology is considered, but perhaps there are applications that I’m not considering. What was the original purpose behind hibernation, and why do people still use it? Quite a few people use hibernate, so what is Moses missing in the big picture? The Answer SuperUser contributor Vignesh4304 writes: Normally hibernate mode saves your computer’s memory, this includes for example open documents and running applications, to your hard disk and shuts down the computer, it uses zero power. Once the computer is powered back on, it will resume everything where you left off. You can use this mode if you won’t be using the laptop/desktop for an extended period of time, and you don’t want to close your documents. Simple Usage And Purpose: Save electric power and resuming of documents. In simple terms this comment serves nice e.g (i.e. you will sleep but your memories are still present). Why it’s used: Let me describe one sample scenario. Imagine your battery is low on power in your laptop, and you are working on important projects on your machine. You can switch to hibernate mode – it will result your documents being saved, and when you power on, the actual state of application gets restored. Its main usage is like an emergency shutdown with an auto-resume of your documents. MagicAndre1981 highlights the reason we use hibernate everyday: Because it saves the status of all running programs. I leave all my programs open and can resume working the next day very easily. Doing a real boot would require to start all programs again, load all the same files into those programs, get to the same place that I was at before, and put all my windows in exactly the same place. Hibernating saves a lot of work pulling these things back up again. It’s not unusual to find computers around the office here that have been hibernated day in and day out for months without an actual full system shutdown and restart. It’s enormously convenient to freeze your work space at the exact moment you stopped working and to turn right around and resume there the next morning. Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.     

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• Vertical Scrolling In Tile Based XNA Platformer

  - by alec100_94

  I'm making a 2D platformer in XNA 4.0. I have created a working tile engine, which works well for my purposes, and Horizontal Scrolling works flawlessly, however I am having great trouble with Vertical scrolling. I Basically want the camera to scroll up (world to scroll down) when the player reaches a certain Y co-ordinate, and I would also like to automatically scroll back down if coming down, and that co-ordinate is passed. My biggest problem is I have no real way of detecting the direction the player is moving in using only the Y Co-ord. Here Is My Code Code For The Camera Class (which appears to be a very different approach to most camera classes I have seen). using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Xna.Framework; namespace Marvin { class Camera : TileEngine { public static bool startReached; public static bool endReached; public static void MoveRight(float speed = 2) { //Moves The Position of Each Tile Right foreach (Tile t in tiles) { if(t!=null) { t.position.X -= speed; } } } public static void MoveLeft(float speed = 2) { //Moves The Position of Each Tile Right foreach (Tile t in tiles) { if(t!=null) { t.position.X += speed; } } } public static void MoveUp(float speed = 2) { foreach (Tile t in tiles) { if(t!=null) { t.position.Y += speed; } } } public static void MoveDown(float speed = 2) { foreach (Tile t in tiles) { if(t!=null) { t.position.Y -= speed; } } } public static void Restrain() { if(tiles.Last().position.X<Main.graphics.PreferredBackBufferWidth-tiles.Last().size.X) { MoveLeft(); endReached = true; } else { endReached = false; } if(tiles[1].position.X>0) { MoveRight(); startReached = true;} else { startReached = false; } } } } Here is My Player Code for Left and Right Scrolling/Moving if (Main.currentKeyState.IsKeyDown(Keys.Right)) { Camera.MoveRight(); if(Camera.endReached) { MoveRight(2); } else { if(marvin.GetRectangle().X!=Main.graphics.PreferredBackBufferWidth-(marvin.GetRectangle().X+marvin.GetRectangle().Width)) { MoveRight(2); Camera.MoveLeft(); } } } if(Main.currentKeyState.IsKeyDown(Keys.Left)) { Camera.MoveLeft(); if(Camera.startReached) { MoveLeft(2); } else { if(marvin.GetRectangle().X!=Main.graphics.PreferredBackBufferWidth-(marvin.GetRectangle().X+marvin.GetRectangle().Width)) { MoveLeft(2); Camera.MoveRight(); } } } Camera.Restrain(); if(marvin.GetRectangle().X>Main.graphics.PreferredBackBufferWidth-marvin.GetRectangle().Width) { MoveLeft(2); } if(marvin.GetRectangle().X<0) { MoveRight(2); } And Here Is My Player Jumping/Falling Code which may cause some conflicts with the vertical camera movement. if (!jumping) { if(!TileEngine.TopOfTileCollidingWith(footBounds)) { MoveDown(5); } else { if(marvin.GetRectangle().Y != TileEngine.LastPlatformStoodOnTop()-marvin.GetRectangle().Height) { float difference = (TileEngine.LastPlatformStoodOnTop()-marvin.GetRectangle().Height) - (marvin.GetRectangle().Y); marvin.SetRectangle(marvin.GetRectangle().X,(int)(marvin.GetRectangle().Y+difference)); armR.SetRectangle(armR.GetRectangle().X,(int)(armR.GetRectangle().Y+difference)); armL.SetRectangle(armL.GetRectangle().X,(int)(armL.GetRectangle().Y+difference)); eyeL.SetRectangle(eyeL.GetRectangle().X,(int)(eyeL.GetRectangle().Y+difference)); eyeR.SetRectangle(eyeR.GetRectangle().X,(int)(eyeR.GetRectangle().Y+difference)); } } } if (Main.currentKeyState.IsKeyDown(Keys.Up) && Main.previousKeyState.IsKeyUp(Keys.Up) && TileEngine.TopOfTileCollidingWith(footBounds)) { jumping = true; } if(jumping) { if(TileEngine.LastPlatformStoodOnTop()>0 && (TileEngine.LastPlatformStoodOnTop() - footBounds.Bottom)<120) { MoveUp(5); } else { jumping = false; } } All player code I have tried for vertical movements has failed, or caused weird results (like falling through platforms), and most have been a variation on the method I described above, hence I have not included it. I would really appreciate some help implementing a simple vertical scrolling into this game, Thanks.

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• My 2D collision code does not work as expected. How do I fix it?

  - by farmdve

  I have a simple 2D game with a tile-based map. I am new to game development, I followed the LazyFoo tutorials on SDL. The tiles are in a bmp file, but each tile inside it corresponds to an internal number of the type of tile(color, or wall). The game is simple, but the code is a lot so I can only post snippets. // Player moved out of the map if((player.box.x < 0)) player.box.x += GetVelocity(player, 0); if((player.box.y < 0)) player.box.y += GetVelocity(player, 1); if((player.box.x > (LEVEL_WIDTH - DOT_WIDTH))) player.box.x -= GetVelocity(player, 0); if((player.box.y > (LEVEL_HEIGHT - DOT_HEIGHT))) player.box.y -= GetVelocity(player, 1); // Now that we are here, we check for collisions if(touches_wall(player.box)) { if(player.box.x < player.prev_x) { player.box.x += GetVelocity(player, 0); } if(player.box.x > player.prev_x) { player.box.x -= GetVelocity(player, 0); } if(player.box.y < player.prev_y) { player.box.y += GetVelocity(player, 1); } if(player.box.y > player.prev_y) { player.box.y -= GetVelocity(player, 1); } } player.prev_x = player.box.x; player.prev_y = player.box.y; Let me explain, player is a structure with the following contents typedef struct { Rectangle box; //Player position on a map(tile or whatever). int prev_x, prev_y; // Previous positions int key_press[3]; // Stores which key was pressed/released. Limited to three keys. E.g Left,right and perhaps jump if possible in 2D int velX, velY; // Velocity for X and Y coordinate. //Health int health; bool main_character; uint32_t jump_ticks; } Player; And Rectangle is just a typedef of SDL_Rect. GetVelocity is a function that according to the second argument, returns the velocity for the X or Y axis. This code I have basically works, however inside the if(touches_wall(player.box)) if statement, I have 4 more. These 4 if statements are responsible for detecting collision on all 4 sides(up,down,left,right). However, they also act as a block for any other movement. Example: I move down the object and collide with the wall, as I continue to move down and still collide with the wall, I wish to move left or right, which is indeed possible(not to mention in 3D games), but remember the 4 if statements? They are preventing me from moving anywhere. The original code on the LazyFoo Productions website has no problems, but it was written in C++, so I had to rewrite most of it to work, which is probably where the problem comes from. I also use a different method of moving, than the one in the examples. Of course, that was just an example. I wish to be able to move no matter at which wall I collide. Before this bit of code, I had another one that had more logic in there, but it was flawed.

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• Fun with Python

  - by dotneteer

  I am taking a class on Coursera recently. My formal education is in physics. Although I have been working as a developer for over 18 years and have learnt a lot of programming on the job, I still would like to gain some systematic knowledge in computer science. Coursera courses taught by Standard professors provided me a wonderful chance. The three languages recommended for assignments are Java, C and Python. I am fluent in Java and have done some projects using C++/MFC/ATL in the past, but I would like to try something different this time. I first started with pure C. Soon I discover that I have to write a lot of code outside the question that I try to solve because the very limited C standard library. For example, to read a list of values from a file, I have to read characters by characters until I hit a delimiter. If I need a list that can grow, I have to create a data structure myself, something that I have taking for granted in .Net or Java. Out of frustration, I switched to Python. I was pleasantly surprised to find that Python is very easy to learn. The tutorial on the official Python site has the exactly the right pace for me, someone with experience in another programming. After a couple of hours on the tutorial and a few more minutes of toying with IDEL, I was in business. I like the “battery supplied” philosophy that gives everything that I need out of box. For someone from C# or Java background, curly braces are replaced by colon(:) and tab spaces. Although I tend to miss colon from time to time, I found that the idea of tab space is actually very nice once I get use to them. I also like to feature of multiple assignment and multiple return parameters. When I need to return a by-product, I just add it to the list of returns. When would use Python? I would use Python if I need to computer anything quick. The language is very easy to use. Python has a good collection of libraries (packages). The REPL of the interpreter allows me test ideas quickly before committing them into script. Lots of computer science work have been ported from Lisp to Python. Some universities are even teaching SICP in Python. When wouldn’t I use Python? I mostly would not use it in a managed environment, such as Ironpython or Jython. Both .Net and Java already have a rich library so one has to make a choice which library to use. If we use the managed runtime library, the code will tie to the particular runtime and thus not portable. If we use the Python library, then we will face the relatively long start-up time. For this reason, I would not recommend to use Ironpython for WP7 development. The only situation that I see merit with managed Python is in a server application where I can preload Python so that the start-up time is not a concern. Using Python as a managed glue language is an over-kill most of the time. A managed Scheme could be a better glue language as it is small enough to start-up very fast.

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• Deploying Oracle ADF Essentials Applications to Glassfish

  - by Shay Shmeltzer

  With the new Oracle ADF Essentials offering you can now deploy applications that leverage Oracle ADF on the open source Glassfish 3.1 server. Deployment is documented in the official JDeveloper and ADF documentation (here) but below is a summary of the steps and a video of the steps you'll need to take to get a basic Oracle ADF Essentials application to work on GlassFish. Note - to make starting/stopping GlassFish easier for my demo I used my GlassFish extension that you can get here. First we'll install some ADF Runtime libraries on GlassFish Download and install Glassfish (Note - if you also have an Oracle DB on the same machine, you'll want to switch GlassFish's HTTP port to something else instead of 8080). Download the Oracle ADF Essentials packaging - this will get you an adf_essentials.zip file. Copy the adf_essentials.zip to the lib directory of your Glassfish domain - on a default windows install this would be: C:\glassfish3\glassfish\domains\domain1\lib Go the the above lib directory and issue a unzip -j adf_essentials.zip This will extract the ADF libraries to the directory. Now you can start the Glassfish server. Now let's configure Glassfish to handle applications of the ADF type: Invoke the admin console of glassfish (http://localhost:4848) and log into your admin account. Go to Configurations->Server-config->JVM Settings and choose the JVM Options tab Add the following entries: -XX:MaxPermSize=512m (note this entry should already exist so just make sure it has a big enough value) -Doracle.mds.cache=simple While we are in the admin console, we can also define JDBC connections that will be used by our application. Go into Resources->JDBC->JDBC Connection Pools and click to create a New one Give it a name and choose the resource type to be javax.sql.XADataSource and choose Oracle as the Database Driver vendor. Click Next Scroll down to the Additional Properties section and start filling in the information for your database. The values for an Oracle XE will be (user=hr, databaseName = XE, Password=hr, ServerName=localhost, DriverType=thin, PortNumber=1521) Click Finish Click Ping to check your connection works. Now define a new JDBC Resource that will use the pool you just defined. In my example I called the resource jdbc/HRDS You will need this name to match the name in your Application Module connection configuraiton.Now you can re-start the Glassfish server for the changes to take effect. Get an ADF application going (you can use the regular Fusion Application template for this) Go into the project properties of your viewController project, under the deployment section click to edit the deployment profile that is defined there. Go to Platform and choose Glassfish 3.1 from the drop down list. Click ok to go back to your project. Go to Application -> Application Properties-> Deployment Go to Platform and choose Glassfish 3.1 from the drop down list. Click ok to go back to your project. This step will make sure that JDeveloper will autoamtically add the necessary ADF libraries to the EAR file that is being generated for deployment on Glassfish  Go to your Application->Deploy and deploy either to an EAR file or directly to a Glassfish server connection that you created. Things should just work, but if they don't then look up the server.log in the log directory and check out what error is in there. Here is a video demo of the various steps: Note - right now the deployment of an ADF application takes about 2 minutes on my machine we are hoping to be able to improve this timing in the future. People who are more familiar with Glassfish might want to explore using exploded directory deployment and see if they can get it to work.

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• Best triple head display setup

  - by dgel

  I'm currently running Ubuntu 12.04 with a darn good triple head display setup. I've got a VisionTek 900530 Radeon HD 5450 512MB DDR3 PCI Express video card that has two DVI outputs and one Mini DisplayPort that I have connected to a HDMI adapter. I'm running three identical Asus 1920x1080 monitors that each have a DVI, VGA, and HDMI input. I'm using the xorg-edgers ppa, so I'm using the open source radeon driver version 6.99.99. I tried using the ATI binary fglrx driver, but I wasn't able to get the three monitors working properly- the monitor connected via HDMI / DisplayPort wouldn't run at full resolution. The setup is almost perfect: Compiz runs fine and is quite snappy. I'm not able to use that great compiz feature where you can drag a window to the side of a display and it will half maximize. I occasionally experience display corruption weirdness with Unity and need to restart it. When I use a dropdown menu in LibreOffice it often pops the menu down in another window. For example, if I'm using the center monitor and click the Insert menu, the menu pulls down on the monitor to my right, forcing me to chase it. If I chase down the menu and choose Manual Break, the dialog appears over on my left monitor. This absurdity is mildly entertaining but has lost its novelty. I've decided to build a new system and have spared no expense- latest i7 processor, SSD, etc. I really like the performance of the Nvidia binary drivers, so I put two ZOTAC ZT-40707-10L GeForce GT 440 in the system, figuring I'd have four DVI outputs and an awesome triple (or even eventually quad) head setup. Unfortunately it appears that I didn't do sufficient research before my purchase. It seems that Nvidia TwinView only supports two monitors on one card (I guess that's why they call it TwinView...). I messed around with running two X servers, but I really don't want that- being able to drag windows to any monitor is critical. It doesn't sound like Xinerama is an option because from what I understand it simply doesn't support Compiz. I've seen a BaseMosaic option that can be used with the Nvidia drivers that appears to support an almost unlimited number of heads- unfortunately me cheap little cards don't support it. I'm also not sure whether you'll still have all nice maximizing and snapping that TwinView provides, or whether Ubuntu will only see it as one massive display. I put my old trusty ATI card into my new system and installed 12.10. I'm using the opensource radeon drivers again because even in 12.10 I can't get the fglrx binary drivers to do triple head. Unfortunately, even with an unbelievably powerful system the experience is extremely sluggish (much more so than my experience in 12.04). The menu scattering problem appears to be fixed, but I get a lot of nasty Unity display corruption. So finally, my question is this: What hardware / drivers should I use? I'm willing to buy (almost) any video card(s). I have two PCI-Express 3.0 slots on my motherboard (which has an integrated Intel HD card). I'm willing to use ATI or Nvidia cards and willing to run Ubuntu 12.04.1 or 12.10. I'm not a gamer, but do want beautiful and snappy Compiz effects. Does anyone out there have the perfect triple head setup in 12.04 or 12.10? What hardware / drivers are you using? I have those two Nvidia cards but will probably be returning them unless someone knows a way to use them together for a triple head setup. Since I'm having pretty good luck with a single ATI card providing three displays, should I just buy a beefier one with the hopes that it will fix the horrible sluggishness I'm experiencing in 12.10?

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• How to fix: Ubuntu 12.04 reboots after loading with elilo

  - by Casey

  I have an HP p6-2120 with CPU: AMD A6-3620 APU with Radeon Graphics RAM: 6GB BIOS: HO2_710.ROM v7.10 [AMI v7.10 4/19/2012] Disk: SATA1 (/dev/sda) - 1 TB (windows) Disk: SATA2 (/dev/sdb) - 1 TB partitioned using "parted -a optimal /dev/sdb" as follows: .. 1049KB 201MB FAT32 boot flag set .. 201MB 60GB ext2 (/) .. 68GB 78GB linux-swap(v1) (swap) .. 78GB 790GB ext4 (/home) .. - rest is "free" space reserved for other purposes (eventually) ubuntu: 12.04.1 LTS [specifically: Release 12.04 (precise) 64-bit] kernel: linux 3.2.0-29-generic I created a bootable EFI USB from the ISO (64-bit) which I downloaded. I can run and install from the USB without any problems. The BIOS is an EFI bios that appears to be capable of booting in either EFI or Legacy mode. Initially, I did the "standard" install with NOTHING on disk2, and let the installer configure everything. The net result of this was that when I started the computer and forced it into "boot" menu mode, it DOES NOT recognize SATA2 as an EFI drive, and when I attempt to "legacy" boot from it, I get the message "ERROR: No Boot Disk has been detected." The "standard" install created one large partition that consumed the entire disk. At that point, I manually partitioned the disk (using sudo parted -a optimal /dev/sdb) as described above. I selected the "other" install, and changed the /dev/sdb1 to "bios_grub", /dev/sdb2 as "/" (ext4), /dev/sdb3 as swap, and /dev/sdb4 as "/home". [Note: fearing that possibly elilo did not recognize ext4, I switched /dev/sdb2 to ext2 and re-insalled] The net result was that the install appeared to trash the /dev/sdb1 partition so that it was NOT readable by anything. I re-formated /dev/sdb1 as FAT32 and set the boot flag. I repeated the install ignoring the messages about no bios_grub partition. After several attempts to get GRUB2 to work, I switched to elilo. I downloaded the most recent version and copied it (elilo-3.14-ia64.efi) to /dev/sdb1/efi/boot/bootx64.efi. (The BIOS boot loader did not recognize it either as elilo-3.14.ia64.efi or as elilo.efi. Based on the advice in one of the web-pages I found, I renamed it to bootx64.efi. This worked.) In that same directory (/efi/boot), I copied the file pointed to the link in /dev/sdb2/vmlinuz to /efi/boot/vmlinuz, and the file pointed to the link in /dev/sdb2/initrd.img to /efi/boot/initrd.img. I created an elilo.conf file as follows: timeout=5000 prompt default=linux-boot image=vmlinuz label=linux-boot read-only initrd=initrd.img root=/dev/sdb2 The /efi/boot directory contains 4 files: bootx64.efi elilo.conf vmlinuz initrd.img When I power-cycle the computer and force the boot menu, drive2 shows up as an EFI bootable drive. When I select it, I get the elilo prompt. Pressing , it appears to load the kernal (I have tried it with verbose=5, and there is a long string of messages with the final one a command line to load the kernel and a series of several dots that fly by) then the screen goes blank, and it reboots the computer. [Note: I have also tried substituting the UUID as found in the /etc/fstab of the installed system for the root directory. This had no effect.] This is a brief synopsis of several nights of fiddling with this. I would deeply appreciate any help you can give.

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• jQuery - discrepency between classname and selectors

  - by Ciel

  I have the following code that I wrote, which I personally found to be pretty nice. It takes a <ul> and it drops down the contents when clicked. But I am having a disconnect here in comprehension, and one I had to do what I feel is a 'dirty hack' to solve. The problem is that I do not want the class `'sidebar-dropdown-open' to be so 'hardwired' in the plugin. However I discovered that there is a very stark difference between... $('.sidebar-dropdown-open') and 'sidebar-dropdown-open and even '.sidebar-dropdown-open. I 'solved' this problem by including two different 'parameters' in my plugin, but I was wondering if someone might give me some insight as to how I could perform this better, and why this was behaving this way. wiring (document load) $(document).ready(function () { $('[data-role="sidebar-dropdown"]').drawer({ open: 'sidebar-dropdown-open', css: '.sidebar-dropdown-open' }); }); html <ul> <li class=" dropdown" data-role="sidebar-dropdown"> <a href="pages/.." class="remote">Link Text</a> <ul class="sub-menu light sidebar-dropdown-menu"> <li><a class="remote" href="pages/...">Link Text</a></li> <li><a class="remote" href="pages/...">Link Text</a></li> <li><a class="remote" href="pages/...">Link Text</a></li> </ul> </li> </ul> javascript (function ($) { $.fn.drawer = function (options) { // Create some defaults, extending them with any options that were provided var settings = $.extend({ open: 'open', css: '.open' }, options); return this.each(function () { $(this).on('click', function (e) { // slide up all open dropdown menus $(settings.css).not($(this)).each(function () { $(this).removeClass(settings.open); // retrieve the appropriate menu item var $menu = $(this).children(".dropdown-menu, .sidebar-dropdown-menu"); // slide down the one clicked on. $menu.slideUp('fast'); $menu.removeClass('active'); }); // mark this menu as open $(this).addClass(settings.open); // retrieve the appropriate menu item var $menu = $(this).children(".dropdown-menu, .sidebar-dropdown-menu"); // slide down the one clicked on. $menu.slideDown(100); $menu.addClass('active'); e.preventDefault(); e.stopPropagation(); }).on("mouseleave", function () { $(this).children(".dropdown-menu").hide().delay(300); }); }) }; })(jQuery); I have tried using settings.open and demanding that it just be a className (.open), etc. - but that does not seem to work. It seems to get ignored by the removeClass function.

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• Planning development when academic research is involved

  - by Another Anonymous User

  Dear fellow programmers, how do you do "software planning" when academic research is involved? And, on a side note, how do you convince your boss that writing software is not like building a house and it's more like writing a novel? The gory details are below. I am in charge of a small dev team working in a research lab. We started developing a software with the purpose of going public one day (i.e. sell and make money off that). Such software depends on, amongst other things, at least two independent research lines: that is, there are at least two Ph.D. candidates that will, hopefully, one day come out with a working implementation of what we need. The main software depends also on other, more concrete resources that we as developers can take care of: graphics rendering, soft bodies deformation, etc. My boss asked me to write the specifications, requirements AND a bloody GANTT chart of the entire project. Faced with the fact that I don't have a clue about the research part, and that such research is fundamental for the software, he said "make assumptions." For the clarity of the argument, he is a professor whose Ph.D. students should come up with the research we need. And he comes from a strictly engineering background: plan everything first, write down specifications and only then write down code that "it's the last part". What I am doing now: I broke down the product in features; each 'feature' is, de facto, a separate product; Each feature is built on top of the previous one; Once a feature (A) has a working prototype the team can start working on the next feature (B), while QA for is being done for A (if money allows, more people can be brought in, etc.); Features that depend on research will come last: by then, hopefully, the research part will be completed (when is still a big question) ; Also, I set the team to use SCRUM for the development of 'version 1.0', due in a few months. This deadline could be set based on reasonable assumptions: we listed all required features, we counted our availability, and we gave a reasonable estimate. So my questions, again, are: How do I make my boss happy while at the same time get something out the door? How do I write specifications for something we -the developers- have no clue whether it's possible to do or not? (We still haven't decided which libraries to use for some tasks; we'll do so when we'll need to) How do I get the requirements for that, given that there are yet no clients nor investors, just lots of interests and promises? How do I get peace in the world? I am sure at least one of my questions will be answered :) ps: I am writing this anonymously since a potential investor might backfire if this is discovered. Hope you'll understand. However I must say I do not like this mentality of 'hiding the truth': this program will likely benefit many, and not being able to talk openly about this (with my name and my reputation attached) feels like censorship. But alas, I care more about your suggestions now.

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• Fun tips with Analytics

  - by user12620172

  If you read this blog, I am assuming you are at least familiar with the Analytic functions in the ZFSSA. They are basically amazing, very powerful and deep. However, you may not be aware of some great, hidden functions inside the Analytic screen. Once you open a metric, the toolbar looks like this: Now, I’m not going over every tool, as we have done that before, and you can hover your mouse over them and they will tell you what they do. But…. Check this out. Open a metric (CPU Percent Utilization works fine), and click on the “Hour” button, which is the 2nd clock icon. That’s easy, you are now looking at the last hour of data. Now, hold down your ‘Shift’ key, and click it again. Now you are looking at 2 hours of data. Hold down Shift and click it again, and you are looking at 3 hours of data. Are you catching on yet? You can do this with not only the ‘Hour’ button, but also with the ‘Minute’, ‘Day’, ‘Week’, and the ‘Month’ buttons. Very cool. It also works with the ‘Show Minimum’ and ‘Show Maximum’ buttons, allowing you to go to the next iteration of either of those. One last button you can Shift-click is the handy ‘Drill’ button. This button usually drills down on one specific aspect of your metric. If you Shift-click it, it will display a “Rainbow Highlight” of the current metric. This works best if this metric has many ‘Range Average’ items in the left-hand window. Give it a shot. Also, one will sometimes click on a certain second of data in the graph, like this:  In this case, I clicked 4:57 and 21 seconds, and the 'Range Average' on the left went away, and was replaced by the time stamp. It seems at this point to some people that you are now stuck, and can not get back to an average for the whole chart. However, you can actually click on the actual time stamp of "4:57:21" right above the chart. Even though your mouse does not change into the typical browser finger that most links look like, you can click it, and it will change your range back to the full metric. Another trick you may like is to save a certain view or look of a group of graphs. Most of you know you can save a worksheet, but did you know you could Sync them, Pause them, and then Save it? This will save the paused state, allowing you to view it forever the way you see it now.  Heatmaps. Heatmaps are cool, and look like this:  Some metrics use them and some don't. If you have one, and wish to zoom it vertically, try this. Open a heatmap metric like my example above (I believe every metric that deals with latency will show as a heatmap). Select one or two of the ranges on the left. Click the "Change Outlier Elimination" button. Click it again and check out what it does.  Enjoy. Perhaps my next blog entry will be the best Analytic metrics to keep your eyes on, and how you can use the Alerts feature to watch them for you. Steve 

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• Profiling Startup Of VS2012 &ndash; dotTrace Profiler

  - by Alois Kraus

  Jetbrains which is famous for the Resharper tool has also a profiler in its portfolio. I downloaded dotTrace 5.2 Professional (569€+VAT) to check how far I can profile the startup of VS2012. The most interesting startup option is “.NET Process”. With that you can profile the next started .NET process which is very useful if you want to profile an application which is not started by you.     I did select Tracing as and Wall time to get similar options across all profilers. For some reason the attach option did not work with .NET 4.5 on my home machine. But I am sure that it did work with .NET 4.0 some time ago. Since we are profiling devenv.exe we can also select “Standalone Application” and start it from the profiler. The startup time of VS does increase about a factor 3 but that is ok. You get mainly three windows to work with. The first one shows the threads where you can drill down thread wise where most time is spent. I The next window is the call tree which does merge all threads together in a similar view. The last and most useful view in my opinion is the Plain List window which is nearly the same as the Method Grid in Ants Profiler. But this time we do get when I enable the Show system functions checkbox not a 150 but 19407 methods to choose from! I really tried with Ants Profiler to find something about out how VS does work but look how much we were missing! When I double click on a method I do get in the lower pane the called methods and their respective timings. This is something really useful and I can nicely drill down to the most important stuff. The measured time seems to be Wall Clock time which is a good thing to see where my time is really spent. You can also use Sampling as profiling method but this does give you much less information. Except for getting a first idea where to look first this profiling mode is not very useful to understand how you system does interact.   The options have a good list of presets to hide by default many method and gray them out to concentrate on your code. It does not filter anything out if you enable Show system functions. By default methods from these assemblies are hidden or if the checkbox is checked grayed out. All in all JetBrains has made a nice profiler which does show great detail and it has nice drill down capabilities. The only thing is that I do not trust its measured timings. I did fall several times into the trap with this one to optimize at places which were already fast but the profiler did show high times in these methods. After measuring with Tracing I was certain that the measured times were greatly exaggerated. Especially when IO is involved it seems to have a hard time to subtract its own overhead. What I did miss most was the possibility to profile not only the next started process but to be able to select a process by name and perhaps a count to profile the next n processes of this name. Next: YourKit

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• Delegates: A Practical Understanding

  - by samerpaul

  It's been a while since I have written on this blog, and I'm planning on reviving it this summer, since I have more time to do so again.I've also recently started working on the iPhone platform, so I haven't been as busy in .NET as before.In either case, today's blog post applies to both C# and Objective-C, because it's more about a practical understanding of delegates than it is about code. When I was learning coding, I felt like delegates was one of the hardest things to conceptually understand, and a lot of books don't really do a good job (in my opinion) of explaining it. So here's my stab at it.A Real Life Example of DelegatesLet's say there are three of you. You, your friend, and your brother. You're each in a different room in your house so you can't hear each other, even if you shout. 1)You are playing a computer game2) Friend is building a puzzle3) Brother is nappingNow, you three are going to stay in your room but you want to be informed if anything interesting is happening to the one of you. Let's say you (playing the computer game) want to know when your brother wakes up.You could keep walking to the room, checking to see if he's napping, and then walking back to your room. But that would waste a lot of time / resources, and what if you miss when he's awake before he goes back to sleep? That would be bad.Instead, you hand him a 2-way radio that works between your room and his room. And you inform him that when he wakes up, he should press a button on the radio and say "I'm awake". You are going to be listening to that radio, waiting for him to say he's awake. This, in essence, is how a delegate works.You're creating an "object" (the radio) that allows you to listen in on an event you specify. You don't want him to send any other messages to you right now, except when he wakes up. And you want to know immediately when he does, so you can go over to his room and say hi. (the methods that are called when a delegate event fires). You're also currently specifying that only you are listening on his radio.Let's say you want your friend to come into the room at the same time as you, and do something else entirely, like fluff your brother's pillow. You will then give him an identical radio, that also hooks into your brother's radio, and inform him to wait and listen for the "i'm awake" signal.Then, when your brother wakes up, he says "I'm awake!" and both you and your friend walk into the room. You say hi, and your friend fluffs the pillow, then you both exit.Later, if you decide you don't care to say hi anymore, you turn off your radio. Now, you have no idea when your brother is awake or not, because you aren't listening anymore.So again, you are each classes in this example, and each of you have your own methods. You're playing a computer game (PlayComputerGame()), your friend is building a puzzle (BuildPuzzle()) and your brother is napping (Napping()). You create a delegate (ImAwake) that you set your brother to do, when he wakes up. You listen in on that delegate (giving yourself a radio and turning it on), and when you receive the message, you fire a new method called SayHi()). Your friend is also wired up to the same delegate (using an identical radio) and fires the method FluffPillow().Hopefully this makes sense, and helps shed some light on how delegates operate. Let me know! Feel free to drop me a line at Twitter (preferred method of contact) here: samerabousalbi

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• Software and/(x)or Hardware Projects for Pre-School Kids

  - by haylem

  I offered to participate at my kid's pre-school for various activities (yes, I'm crazy like that), and one of them is to help them discover extra-curricular (big word for a pre-school, but by lack of a better one... :)) hobbies, which may or may not relate to a professional activity. At first I thought that it wouldn't be really easy to have pre-schoolers relate to programming or the internal workings of a computer system in general (and I'm more used to teaching middle-school to university-level students), but then I thought there must be a way. So I'm trying to figure out ways to introduce very young kids (3yo) to computer systems in a fun and preferably educational way. Of course, I don't expect them to start smashing the stack for fun and profit right away (or at least not voluntarily, though I could use the occasion for some toddler tests...), but I'm confident there must be ways to get them interested in both: using the systems, becoming curious about understanding what they do, interacting with the systems to modify them. I guess this setting is not really relevant after all, it's pretty much the same as if you were aiming to achieve the same for your own kids at home. Ideas Considering we're talking 3yo pre-schoolers here, and that at this age some kids are already quite confident using a mouse (some even a keyboard, if not for typing, at least to press some buttons they've come to associate with actions) while others have not yet had any interaction with computers of any kind, it needs to be: rather basic, demonstrated and played with in less then 5 or 10 minutes, doable in in groups or alone, scalable and extendable in complexity to accommodate their varying abilities. The obvious options are: basic smallish games to play with, interactive systems like LOGO, Kojo, Squeak and clones (possibly even simpler than that), or thngs like Lego Systems. I guess it can be a thing to reflect on both at the software and the hardware levels: it could be done with a desktop or laptop machine, a tablet, a smartphone (or a crap-phone, for that matter, as long as you can modify it), or even get down to building something from scratch (Raspberry Pi and Arduino being popular options at the moment). I can probably be in the form of games, funny visualizations (which are pretty much games) w/ Prototype, virtual worlds to explore. I also thought on the moment (and I hope this won't offend anyone) that some approaches to teaching pets could work (reward systems, haptic feedback and such things could quickly point a kid in the right direction to understanding how things work, in a similar fashion - I'm not suggesting to shock the kids!). Hmm, Is There an Actual Question in There? What type of systems do you think might be a good fit, both in terms of hardware and software? Do you have seen such systems, or have anything in mind to work on? Are you aware of some research in this domain, with tangible results? Any input is welcome. It's not that I don't see options: there are tons, but I have a harder time pinpointing a more concrete and definite type of project/activity, so I figure some have valuable ideas or existing ones. Note: I am not advocating that every kid should learn to program, be interested in computer systems, or that all of them in a class would even care enough to follow such an introduction with more than a blank stare. I don't buy into the "everybody would benefit from learning to program" thing. Wouldn't hurt, but not necessary in any way. But if I can walk out of there with a few of them having smiled using the thing (or heck, cried because others took them away from them), that'd be good enough. Related Questions I've seen and that seem to complement what I'm looking for, but not exactly for the same age groups or with the same goals: Teaching Programming to Kids Recommendations for teaching kids math concepts & skills for programming?

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• Windows Server 2012 Branchcache vs. DFS-R

  - by TheCleaner

  Warning, subjective question ahead! But hopefully a good one that won't get closed. SCENARIO: I have a branch office that currently has no on-premise server. They access everything including a DC across a 12Mbps WAN link (MPLS). The link isn't saturated, averaging around 20% utilization. The circuit is very stable and has a high SLA and excellent uptime. However, large file transfers (mainly reads, not writes) from the file server across the WAN can be slow. We don't currently utilize DFS. RESEARCH DONE: I'm aware of WAN acceleration, using either dedicated hardware (Riverbed) or a dedicated software VM (Silver Peak) for example. But the pricing is outside of our current budget and the need isn't quite there yet from our perspective (since the issue is mainly in a "pull" scenario not necessarily push/pull). I'm mainly looking at deploying a Windows server at this branch office and either utilizing DFS-R or BranchCache. Looking at a table comparison and assuming we are looking at a "hosted branchcache server" and not simply distributed: It would appear there are benefits to both, even if both are "hosted" on a server. QUESTIONS I ACTUALLY HAVE: In what scenarios do each of these techs shine and where do you choose one over the other? Looking at a hosted Branchcache server, can you set "pre-fetching" of certain folders/files on the central file server so that they are immediately accessible locally at the branch? Do you have to do this on a schedule (if it is possible)? Looking at DFS-R my concern (and apparently solved with 3rd party apps) is file locking and making sure the file gets updated properly during a write operation (ie, making sure if both copies are accessed and both are written to, which file takes precedence and what happens to the changes?). Ideal it would seem would be to lock any alternate replicas of the data, but is it really that big of an issue? Does Branchcache lock the central file for editing? Does branchcache only transmit the deltas back to the central file of what has changed? Would either technology be ill advised if the branch office server was going to be utilized as a domain controller as well?

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• Business Objects Enterprise reporting using SDK client gives exception

  - by Dev_Karl

  Hi! We have a client that is using the SDK for invoking reports on the Business Objects Embedded Report Server. We can login, but when calling the openDocument method, something goes wrong. code: //logon IEnterpriseSession session = sessionMgr.logon(username, password, clusterNode, authType); .... clientDoc = reportAppFactory.openDocument(report, 0, locale); /*row 58 in exception*/ exception: com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException: Unable to connect to the server: . - Server not found or server may be down---- Error code:-2147217387 Error code name:connectServer at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.a(Unknown Source) at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.a(Unknown Source) at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.a(Unknown Source) at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.openDocument(Unknown Source) at com.reportclient.MyReportClient.getReportFromInfoStore(MyReportClient.java:58) ... 28 more Caused by: com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException: Unable to connect to the server: . - Server not found or server may be down---- Error code:-2147217387 Error code name:connectServer at com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException.throwReportSDKServerException(Unknown Source) at com.crystaldecisions.sdk.occa.managedreports.ras.internal.CECORBACommunicationAdapter.connect(Unknown Source) ... 32 more Caused by: com.crystaldecisions.enterprise.ocaframework.OCAFrameworkException$NotFoundInDirectory: Server not found or server may be down at com.crystaldecisions.enterprise.ocaframework.j.find(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.AbstractServerHandler.buildServerInfo(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.AbstractServerHandler.buildClusterInfo(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.aa.for(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.ServiceMgr.for(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.o.a(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.o.a(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.o.a(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.p.a(Unknown Source) at com.crystaldecisions.enterprise.ocaframework.ServiceMgr.getManagedService(Unknown Source) ... 33 more The communication obviously works when logging in. Please let me know if you got any ideas or know where I can go and look for the answer. :) Regards, Karl

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• Error 0x800f0922 installing .NET 3.5 on Windows 8

  - by Benjamin Nolan

  I'm trying to install .NET 3.5 on my Windows 8 box and it keeps throwing Error 0x800f0922 at me. From what I've read on answers.microsoft.com and StackOverflow I gather the easiest way to fix this is to perform a system refresh, however this will remove all software I've installed from discs. I've just moved house, so I'd rather not do that as I don't know where all the installation media actually are for a lot of my software, so if possible I'd prefer to track down where the problem is actually occurring. (Also, I have a LOT of software installed. It'd take me a long time to reinstall it all, and I unfortunately haven't got that time.) The on-demand error screen sends me to KB2734782 (can't link it as I'm <10 rep), which doesn't help much. When I run this DISM line from the StackOverflow post: Dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:C:\Windows\WinSxS /LimitAccess I get the following output on the terminal: Microsoft Windows [Version 6.2.9200] (c) 2012 Microsoft Corporation. All rights reserved. C:\Windows\system32>Dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:C:\Windows\WinSxS /LimitAccess Deployment Image Servicing and Management tool Version: 6.2.9200.16384 Image Version: 6.2.9200.16384 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f0922 DISM failed. No operation was performed. For more information, review the log file. The DISM log file can be found at C:\Windows\Logs\DISM\dism.log C:\Windows\system32> Incidentally, it jumps straight from 0 to 100% and then sits on that line for about 5 minutes before the error line occurs. dism.log contains the following lines around that time: (Link to full logs is at bottom of post) 2013-07-02 00:56:58, Info DISM DISM.EXE: Succesfully registered commands for the provider: Edition Manager. 2013-07-02 00:56:58, Info DISM DISM Provider Store: PID=5768 TID=5780 Getting Provider DISM Package Manager - CDISMProviderStore::GetProvider 2013-07-02 00:56:58, Info DISM DISM Provider Store: PID=5768 TID=5780 Provider has previously been initialized. Returning the existing instance. - CDISMProviderStore::Internal_GetProvider 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Processing the top level command token(enable-feature). - CPackageManagerCLIHandler::Private_ValidateCmdLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Attempting to route to appropriate command handler. - CPackageManagerCLIHandler::ExecuteCmdLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Routing the command... - CPackageManagerCLIHandler::ExecuteCmdLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Encountered the option "featurename" with value "NetFX3" - CPackageManagerCLIHandler::Private_GetPackagesFromCommandLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Encountered an unknown option "featurename" with value "NetFX3" - CPackageManagerCLIHandler::Private_GetPackagesFromCommandLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Encountered the option "source" with value "C:\Windows\WinSxS" - CPackageManagerCLIHandler::Private_GetPackagesFromCommandLine 2013-07-02 00:56:58, Info DISM DISM Package Manager: PID=5768 TID=5780 Encountered an unknown option "source" with value "C:\Windows\WinSxS" - CPackageManagerCLIHandler::Private_GetPackagesFromCommandLine 2013-07-02 00:56:59, Info DISM DISM Package Manager: PID=5768 TID=5780 Initiating Changes on Package with values: 5, 7 - CDISMPackage::Internal_ChangePackageState 2013-07-02 00:56:59, Info DISM DISM Package Manager: PID=5768 TID=5780 CBS session options=0x20100! - CDISMPackageManager::Internal_Finalize 2013-07-02 01:00:27, Info DISM DISM Package Manager: PID=5768 TID=2420 Error in operation: (null) (CBS HRESULT=0x800f0922) - CCbsConUIHandler::Error 2013-07-02 01:00:27, Error DISM DISM Package Manager: PID=5768 TID=5780 Failed finalizing changes. - CDISMPackageManager::Internal_Finalize(hr:0x800f0922) 2013-07-02 01:00:27, Error DISM DISM Package Manager: PID=5768 TID=5780 Failed processing package changes with session options - CDISMPackageManager::ProcessChangesWithOptions(hr:0x800f0922) 2013-07-02 01:00:27, Error DISM DISM Package Manager: PID=5768 TID=5780 Failed ProcessChanges. - CPackageManagerCLIHandler::Private_ProcessFeatureChange(hr:0x800f0922) 2013-07-02 01:00:27, Error DISM DISM Package Manager: PID=5768 TID=5780 Failed while processing command enable-feature. - CPackageManagerCLIHandler::ExecuteCmdLine(hr:0x800f0922) 2013-07-02 01:00:27, Info DISM DISM Package Manager: PID=5768 TID=5780 Further logs for online package and feature related operations can be found at %WINDIR%\logs\CBS\cbs.log - CPackageManagerCLIHandler::ExecuteCmdLine 2013-07-02 01:00:27, Error DISM DISM.EXE: DISM Package Manager processed the command line but failed. HRESULT=800F0922 cbs.log has the following chunks around then which could be relevant: 2013-07-02 00:55:06, Info CBS Exec: This is a PSF Package. Job has been saved and we are returning to client. 2013-07-02 00:55:06, Info CSI 0000042d@2013/7/1:23:55:06.203 CSI Transaction @0xe2f5e59500 destroyed 2013-07-02 00:55:06, Info CBS Exec: DPX job state saved for one or more packages, aborting the staging and install of execution. 2013-07-02 00:55:06, Info CSI 0000042e@2013/7/1:23:55:06.207 CSI Transaction @0xe2f5e58480 destroyed 2013-07-02 00:55:06, Info CBS Perf: Stage chain complete. 2013-07-02 00:55:06, Info CBS Failed to stage execution chain. [HRESULT = 0x800f0816 - CBS_E_DPX_JOB_STATE_SAVED] 2013-07-02 00:55:06, Info CBS Failed to process single phase execution. [HRESULT = 0x800f0816 - CBS_E_DPX_JOB_STATE_SAVED] 2013-07-02 00:55:06, Info CBS WER: Failure is not worth reporting [HRESULT = 0x800f0816 - CBS_E_DPX_JOB_STATE_SAVED] 2013-07-02 00:55:06, Info CBS Reboot mark cleared and further down: 2013-07-02 00:59:19, Info CSI 000004e6 Begin executing advanced installer phase 38 (0x00000026) index 253 (0x00000000000000fd) (sequence 289) Old component: [l:0]"" New component: [ml:306{153},l:304{152}]"NetFx35CDF-CDF_GenericCommands, Culture=neutral, Version=6.2.9200.16384, PublicKeyToken=31bf3856ad364e35, ProcessorArchitecture=x86, versionScope=NonSxS" Install mode: install Installer ID: {81a34a10-4256-436a-89d6-794b97ca407c} Installer name: [15]"Generic Command" 2013-07-02 00:59:19, Info CSI 000004e7 Performing 1 operations; 1 are not lock/unlock and follow: (0) LockComponentPath (10): flags: 0 comp: {l:16 b:19fc6600b776ce01c91f0000fc07a816} pathid: {l:16 b:19fc6600b776ce01ca1f0000fc07a816} path: [l:214{107}]"\SystemRoot\WinSxS\x86_netfx35cdf-cdf_genericcommands_31bf3856ad364e35_6.2.9200.16384_none_0cec490be12fb858" pid: 7fc starttime: 130171962799582915 (0x01ce76b5e2626ec3) 2013-07-02 00:59:19, Info CSI 000004e8 Performing 1 operations; 1 are not lock/unlock and follow: (0) LockComponentPath (10): flags: 0 comp: {l:16 b:27236700b776ce01cb1f0000fc07a816} pathid: {l:16 b:27236700b776ce01cc1f0000fc07a816} path: [l:210{105}]"\SystemRoot\WinSxS\x86_netfx35cdf-csd_cdf_installer_31bf3856ad364e35_6.2.9200.16384_none_55072425fd5c3716" pid: 7fc starttime: 130171962799582915 (0x01ce76b5e2626ec3) 2013-07-02 00:59:19, Info CSI 000004e9 Calling generic command executable (sequence 1): [122]"C:\Windows\WinSxS\x86_netfx35cdf-csd_cdf_installer_31bf3856ad364e35_6.2.9200.16384_none_55072425fd5c3716\WFServicesReg.exe" CmdLine: [139]""C:\Windows\WinSxS\x86_netfx35cdf-csd_cdf_installer_31bf3856ad364e35_6.2.9200.16384_none_55072425fd5c3716\WFServicesReg.exe" /c /b /v /m /i" 2013-07-02 00:59:20, Info CSI 000004ea Performing 1 operations; 1 are not lock/unlock and follow: (0) LockComponentPath (10): flags: 0 comp: {l:16 b:bd790401b776ce01cd1f0000fc07a816} pathid: {l:16 b:bd790401b776ce01ce1f0000fc07a816} path: [l:234{117}]"\SystemRoot\WinSxS\x86_microsoft.windows.s..ation.badcomponents_31bf3856ad364e35_6.2.9200.16384_none_353ccb4c94858655" pid: 7fc starttime: 130171962799582915 (0x01ce76b5e2626ec3) 2013-07-02 00:59:20, Info CSI 000004eb Creating NT transaction (seq 27), objectname [6]"(null)" 2013-07-02 00:59:20, Info CSI 000004ec Created NT transaction (seq 27) result 0x00000000, handle @0x24b8 2013-07-02 00:59:20, Info CSI 000004ed@2013/7/1:23:59:20.933 Beginning NT transaction commit... 2013-07-02 00:59:22, Info CSI 000004ee@2013/7/1:23:59:22.065 CSI perf trace: CSIPERF:TXCOMMIT;1387723 2013-07-02 00:59:22, Error CSI 000004ef (F) Done with generic command 1; CreateProcess returned 0, CPAW returned S_OK Process exit code 255 (0x000000ff) resulted in success? FALSE Process output: [l:28479 [4096]"DDSet_Entry: WFServicesReg.exe DDSet_Status: CFxInstaller::CopyConfigFilesToTemp is64bit=0 DDSet_Status: CFileHelper::CopyConfigFilesToTempLocation DDSet_Status: CFxInstaller::SetupBaseComponents isInstall=1 DDSet_Status: CFxInstaller::SetupBaseComponents Calling SetupExtensions. isInstall=1 (0x000000FF -- The extended attributes are inconsistent. ??) And a bit further down: 2013-07-02 00:59:22, Error [0x018007] CSI 000004f0 (F) Failed execution of queue item Installer: Generic Command ({81a34a10-4256-436a-89d6-794b97ca407c}) with HRESULT HRESULT_FROM_WIN32(14109). Failure will not be ignored: A rollback will be initiated after all the operations in the installer queue are completed; installer is reliable (2)[gle=0x80004005] [...snip...] 2013-07-02 00:59:22, Info CBS Not able to add pending.xml.bad to Windows Error Report. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND] 2013-07-02 00:59:28, Info CSI 000004f1@2013/7/1:23:59:28.467 CSI Advanced installer perf trace: CSIPERF:AIDONE;{81a34a10-4256-436a-89d6-794b97ca407c};NetFx35CDF-CDF_GenericCommands, Version = 6.2.9200.16384, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral;10609242us 2013-07-02 00:59:28, Info CSI 000004f2 End executing advanced installer (sequence 289) Completion status: HRESULT_FROM_WIN32(ERROR_ADVANCED_INSTALLER_FAILED) [...snip...] 2013-07-02 01:00:26, Info CBS Exec: Cancelled pending transactions after rollback. [HRESULT = 0x00000000 - S_OK] 2013-07-02 01:00:26, Error CBS Exec: An error occurred while committing the transaction, the transaction could not be rolled back. [HRESULT = 0x800f0922 - CBS_E_INSTALLERS_FAILED] The full DISM and CBS logs are at http://ben.mu/files/dotnet35_dism_cbs.zip as the CBS log is nearly 167MB uncompressed. o.o dism.log gives the timeframe of where its errors occur--00:56:20ish to 01:00:22. Does anyone have any ideas what's actually causing the installation to fail, and if so how I can fix it? Please don't just say "Refresh the OS". :)

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• Marking Current Location on Map, Android

  - by deewangan

  Hi every one, i followed some tutorials to create an application that shows the current position of the user on the map with a marking. but for some reasons i can't get to work the marking part? the other parts works well, but whenever i add the marking code the application crashes. i hope someone could help me.here is the code: public class LocationActivity extends MapActivity { /** Called when the activity is first created. */ private MapView mapView; private LocationManager lm; private LocationListener ll; private MapController mc; GeoPoint p = null; Drawable defaultMarker = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mapView = (MapView)findViewById(R.id.mapView); //show zoom in/out buttons mapView.setBuiltInZoomControls(true); //Standard view of the map(map/sat) mapView.setSatellite(false); //get controller of the map for zooming in/out mc = mapView.getController(); // Zoom Level mc.setZoom(18); MyLocationOverlay myLocationOverlay = new MyLocationOverlay(); List<Overlay> list = mapView.getOverlays(); list.add(myLocationOverlay); lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE); ll = new MyLocationListener(); lm.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, ll); //Get the current location in start-up GeoPoint initGeoPoint = new GeoPoint( (int)(lm.getLastKnownLocation( LocationManager.GPS_PROVIDER) .getLatitude()*1000000), (int)(lm.getLastKnownLocation( LocationManager.GPS_PROVIDER) .getLongitude()*1000000)); mc.animateTo(initGeoPoint); } protected class MyLocationOverlay extends com.google.android.maps.Overlay { @Override public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) { Paint paint = new Paint(); super.draw(canvas, mapView, shadow); // Converts lat/lng-Point to OUR coordinates on the screen. Point myScreenCoords = new Point(); mapView.getProjection().toPixels(p, myScreenCoords); paint.setStrokeWidth(1); paint.setARGB(255, 255, 255, 255); paint.setStyle(Paint.Style.STROKE); Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.push); canvas.drawBitmap(bmp, myScreenCoords.x, myScreenCoords.y, paint); canvas.drawText("I am here...", myScreenCoords.x, myScreenCoords.y, paint); return true; } } private class MyLocationListener implements LocationListener{ public void onLocationChanged(Location argLocation) { // TODO Auto-generated method stub GeoPoint myGeoPoint = new GeoPoint( (int)(argLocation.getLatitude()*1000000), (int)(argLocation.getLongitude()*1000000)); /* * it will show a message on * location change Toast.makeText(getBaseContext(), "New location latitude [" +argLocation.getLatitude() + "] longitude [" + argLocation.getLongitude()+"]", Toast.LENGTH_SHORT).show(); */ mc.animateTo(myGeoPoint); } public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } } protected boolean isRouteDisplayed() { return false; } } here is the logcat: 01-19 05:31:43.011: DEBUG/AndroidRuntime(759): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 01-19 05:31:43.011: DEBUG/AndroidRuntime(759): CheckJNI is ON 01-19 05:31:43.411: DEBUG/AndroidRuntime(759): --- registering native functions --- 01-19 05:31:43.431: INFO/jdwp(759): received file descriptor 19 from ADB 01-19 05:31:43.431: INFO/jdwp(759): Ignoring second debugger -- accepting and dropping 01-19 05:31:44.531: INFO/ActivityManager(583): Starting activity: Intent { flg=0x10000000 cmp=pro.googlemapp/.LocationActivity } 01-19 05:31:44.641: DEBUG/AndroidRuntime(759): Shutting down VM 01-19 05:31:44.641: DEBUG/dalvikvm(759): DestroyJavaVM waiting for non-daemon threads to exit 01-19 05:31:44.641: DEBUG/dalvikvm(759): DestroyJavaVM shutting VM down 01-19 05:31:44.641: DEBUG/dalvikvm(759): HeapWorker thread shutting down 01-19 05:31:44.651: DEBUG/dalvikvm(759): HeapWorker thread has shut down 01-19 05:31:44.651: DEBUG/jdwp(759): JDWP shutting down net... 01-19 05:31:44.651: DEBUG/jdwp(759): +++ peer disconnected 01-19 05:31:44.651: INFO/dalvikvm(759): Debugger has detached; object registry had 1 entries 01-19 05:31:44.661: DEBUG/dalvikvm(759): VM cleaning up 01-19 05:31:44.681: INFO/ActivityManager(583): Start proc pro.googlemapp for activity pro.googlemapp/.LocationActivity: pid=770 uid=10025 gids={3003} 01-19 05:31:44.761: DEBUG/dalvikvm(759): LinearAlloc 0x0 used 676436 of 4194304 (16%) 01-19 05:31:44.801: INFO/jdwp(770): received file descriptor 20 from ADB 01-19 05:31:44.822: INFO/dalvikvm(770): ignoring registerObject request in thread=3 01-19 05:31:44.851: INFO/jdwp(770): Ignoring second debugger -- accepting and dropping 01-19 05:31:44.851: ERROR/jdwp(770): Failed writing handshake bytes: Broken pipe (-1 of 14) 01-19 05:31:44.851: INFO/dalvikvm(770): Debugger has detached; object registry had 0 entries 01-19 05:31:45.320: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.320: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.340: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.781: DEBUG/LocationManager(770): Constructor: service = android.location.ILocationManager$Stub$Proxy@4379d9f0 01-19 05:31:45.791: WARN/GpsLocationProvider(583): Duplicate add listener for uid 10025 01-19 05:31:45.791: DEBUG/GpsLocationProvider(583): setMinTime 0 01-19 05:31:45.791: DEBUG/GpsLocationProvider(583): startNavigating 01-19 05:31:45.831: INFO/jdwp(770): received file descriptor 27 from ADB 01-19 05:31:46.001: INFO/MapActivity(770): Handling network change notification:CONNECTED 01-19 05:31:46.001: ERROR/MapActivity(770): Couldn't get connection factory client 01-19 05:31:46.451: DEBUG/dalvikvm(770): GC freed 4539 objects / 298952 bytes in 118ms 01-19 05:31:46.470: DEBUG/AndroidRuntime(770): Shutting down VM 01-19 05:31:46.470: WARN/dalvikvm(770): threadid=3: thread exiting with uncaught exception (group=0x4001aa28) 01-19 05:31:46.481: ERROR/AndroidRuntime(770): Uncaught handler: thread main exiting due to uncaught exception 01-19 05:31:46.541: ERROR/AndroidRuntime(770): java.lang.NullPointerException 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:58) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:48) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at pro.googlemapp.LocationActivity$MyLocationOverlay.draw(LocationActivity.java:101) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:42) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.MapView.onDraw(MapView.java:476) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6274) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1526) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1524) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6277) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.widget.FrameLayout.draw(FrameLayout.java:352) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1526) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1524) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6277) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.widget.FrameLayout.draw(FrameLayout.java:352) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1883) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.draw(ViewRoot.java:1332) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.performTraversals(ViewRoot.java:1097) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.handleMessage(ViewRoot.java:1613) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.os.Handler.dispatchMessage(Handler.java:99) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.os.Looper.loop(Looper.java:123) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.app.ActivityThread.main(ActivityThread.java:4203) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at java.lang.reflect.Method.invokeNative(Native Method) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at java.lang.reflect.Method.invoke(Method.java:521) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at dalvik.system.NativeStart.main(Native Method) 01-19 05:31:46.551: INFO/Process(583): Sending signal. PID: 770 SIG: 3 01-19 05:31:46.581: INFO/dalvikvm(770): threadid=7: reacting to signal 3 01-19 05:31:46.661: INFO/dalvikvm(770): Wrote stack trace to '/data/anr/traces.txt' 01-19 05:31:46.871: INFO/ARMAssembler(583): generated scanline__00000077:03515104_00000000_00000000 [ 27 ipp] (41 ins) at [0x2c69c8:0x2c6a6c] in 973448 ns 01-19 05:31:46.911: INFO/ARMAssembler(583): generated scanline__00000077:03515104_00001001_00000000 [ 64 ipp] (84 ins) at [0x2c6a70:0x2c6bc0] in 1985378 ns 01-19 05:31:49.881: INFO/Process(770): Sending signal. PID: 770 SIG: 9 01-19 05:31:49.931: INFO/ActivityManager(583): Process pro.googlemapp (pid 770) has died. 01-19 05:31:49.941: WARN/GpsLocationProvider(583): Unneeded remove listener for uid 1000 01-19 05:31:49.941: DEBUG/GpsLocationProvider(583): stopNavigating 01-19 05:31:49.951: INFO/WindowManager(583): WIN DEATH: Window{438891c0 pro.googlemapp/pro.googlemapp.LocationActivity paused=false} 01-19 05:31:50.111: WARN/UsageStats(583): Unexpected resume of com.android.launcher while already resumed in pro.googlemapp 01-19 05:31:50.200: WARN/InputManagerService(583): Got RemoteException sending setActive(false) notification to pid 770 uid 10025

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• Ruby on Rails tutorial problem

  - by RailAddict

  Quick question which I hope is easily answered.. I am following this tutorial: http://oreilly.com/pub/a/ruby/archive/rails.html?page=2 and all is going well until I try create a controller and view it in my browser. The server is running and it shows the default page okay (http://127.0.0.1:3000). I ran ruby script\generate controller MyTest in my command line and it generated the correct folders and files. The problem is, when I go to http://127.0.0.1:3000/My%5FTest/ it says: We're sorry, but something went wrong. We've been notified about this issue and we'll take a look at it shortly. This must be something I have overlooked somewhere. Any help is appreciated! ruby 1.8.6 rails 2.3.4 Just checked my development logs. Here is what it says: /!\ FAILSAFE /!\ Thu Sep 24 02:21:04 +0100 2009 Status: 500 Internal Server Error no such file to load -- sqlite3 C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in require' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in require' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:521:in new_constants_in' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in require' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/core_ext/kernel/requires.rb:7:in require_library_or_gem' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/core_ext/kernel/reporting.rb:11:in silence_warnings' C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/core_ext/kernel/requires.rb:5:in require_library_or_gem' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/sqlite3_adapter.rb:10:in sqlite3_connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in send' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in new_connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in checkout_new_connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:in checkout' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in loop' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in checkout' C:/Ruby/lib/ruby/1.8/monitor.rb:242:in synchronize' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:in checkout' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:in retrieve_connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in retrieve_connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:in connection' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_cache.rb:9:in cache' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_cache.rb:28:in call' C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/head.rb:9:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/methodoverride.rb:24:in call' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/params_parser.rb:15:in call' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/session/cookie_store.rb:93:in call' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/failsafe.rb:26:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in synchronize' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in call' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/dispatcher.rb:114:in call' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/reloader.rb:34:in run' C:/Ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/dispatcher.rb:108:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/rack/static.rb:31:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:46:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in each' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/rack/log_tailer.rb:17:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/content_length.rb:13:in call' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:46:in service' C:/Ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in service' C:/Ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run' C:/Ruby/lib/ruby/1.8/webrick/server.rb:173:in start_thread' C:/Ruby/lib/ruby/1.8/webrick/server.rb:162:in start' C:/Ruby/lib/ruby/1.8/webrick/server.rb:162:in start_thread' C:/Ruby/lib/ruby/1.8/webrick/server.rb:95:in start' C:/Ruby/lib/ruby/1.8/webrick/server.rb:92:in each' C:/Ruby/lib/ruby/1.8/webrick/server.rb:92:in start' C:/Ruby/lib/ruby/1.8/webrick/server.rb:23:in start' C:/Ruby/lib/ruby/1.8/webrick/server.rb:82:in start' C:/Ruby/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:13:in run' C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/commands/server.rb:111 C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' script/server:3 I have no idea what this means but one thing I noticed is that it says sqlite3 - I am not using that. I am using MySql. Not sure if this is the problem..

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• Snow Leopard & Ruby on Rails - SQLite3 issue

  - by spin-docta

  I just upgraded to snow leopard. Before, I had everything running fine, but now when I start the server from the terminal I get: => Booting WEBrick => Rails 2.3.3 application starting on http://0.0.0.0:3000 => Call with -d to detach => Ctrl-C to shutdown server [2009-08-28 23:18:19] INFO WEBrick 1.3.1 [2009-08-28 23:18:19] INFO ruby 1.8.7 (2008-08-11) [universal-darwin10.0] [2009-08-28 23:18:19] INFO WEBrick::HTTPServer#start: pid=845 port=3000 Then when I got to generated page, it seems like it isn't working with sqlite3. How do I fix? Here's what the server prints out when I go to a scripted view page: /!\ FAILSAFE /!\ Fri Aug 28 23:18:34 -0400 2009 Status: 500 Internal Server Error uninitialized constant SQLite3::Driver::Native::Driver::API /Library/Ruby/Gems/1.8/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:105:in `const_missing' /Library/Ruby/Gems/1.8/gems/sqlite3-ruby-1.2.5/lib/sqlite3/driver/native/driver.rb:76:in `open' /Library/Ruby/Gems/1.8/gems/sqlite3-ruby-1.2.5/lib/sqlite3/database.rb:76:in `initialize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `new' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `sqlite3_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in `send' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in `new_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in `checkout_new_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:in `checkout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in `loop' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in `checkout' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:in `checkout' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in `connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:in `retrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in `retrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:in `connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/query_cache.rb:9:in `cache' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/query_cache.rb:28:in `call' /Library/Ruby/Gems/1.8/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/head.rb:9:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/methodoverride.rb:24:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.3/lib/action_controller/params_parser.rb:15:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.3/lib/action_controller/session/cookie_store.rb:93:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.3/lib/action_controller/reloader.rb:29:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.3/lib/action_controller/failsafe.rb:26:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in `synchronize' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/lock.rb:11:in `call' /Library/Ruby/Gems/1.8/gems/actionpack-2.3.3/lib/action_controller/dispatcher.rb:106:in `call' /Library/Ruby/Gems/1.8/gems/rails-2.3.3/lib/rails/rack/static.rb:31:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:46:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in `each' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in `call' /Library/Ruby/Gems/1.8/gems/rails-2.3.3/lib/rails/rack/log_tailer.rb:17:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/content_length.rb:13:in `call' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:46:in `service' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:162:in `start' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:95:in `start' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:92:in `each' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:92:in `start' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:23:in `start' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/webrick/server.rb:82:in `start' /Library/Ruby/Gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:13:in `run' /Library/Ruby/Gems/1.8/gems/rails-2.3.3/lib/commands/server.rb:111 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require' script/server:3

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• Reset scale/width/zoom of Safari on iPhone using JavaScript/onorientationchange

  - by dwarbi

  I am displaying different content depending on how the user is holding his/her phone using the onorientationchange call in the body tag. This works great - I hide one div while making the other visible. The div in portrait mode looks great on first load. I use this to get the right scale/zoom: <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0;" /> Even if the content in portrait mode run over, the width is correct and the user can scroll down. The display in landscape mode is perfect too. However, if content in landscape mode requires the user the scroll down, then when the user returns to portrait mode, the screen is "zoomed out" so to speak. This happens whether or not the user scrolled down while in landscape mode. I've tried many different things to try to get the scale/zoom/width of the screen right, but no luck. Is there any way to do this? Thanks in advance!

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• CSS: Freeze table header and first column, *but only on certain axes*

  - by Mega Matt

  Hello all, I have a variation on a common question, and I'll try to explain it as best I can. It may take some visualization on your part. I have an HTML table (in reality there are tables within tables within divs within tables -- I'm using the JSGantt plugin). I'd like for the table header to be frozen only when I scroll down on the y-axis, but if I need to scroll right to see more data, I would like it to scroll right. Meanwhile, as I scroll down (with the header row staying put), I'd like the first column of the table to scroll down with me. But when I scroll right, I want the first column to stay put (but as I mentioned above, the header row to scroll with me). So essentially I've frozen the first column only on the x-axis and the header row only on the y-axis. I'll stop there for now. If anyone needs more clarification I can try to explain. I've tried this multiple ways, but I'm convinced that it may not be possible without some serious javascript. The table, by the way, is contained within an outer div with set dimensions, hence the need for me to scroll the data. Any help you can provide would be greatly appeciated. Thanks very much.

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• Confusion about Kerberos, delegation and SPNs.

  - by Vilx-

  I'm trying to write a proof-of-concept application that performs Kerberos delegation. I've written all the code, and it seems to working (I'm authenticating fine), but the resulting security context doesn't have the ISC_REQ_DELEGATE flag set. So I'm thinking that maybe one of the endpoints (client or server) is forbidden to delegate. However I'm not authenticating against an SPN. Just one domain user against another domain user. As the SPN for InitializeSecurityContext() I'm passing "[email protected]" (which is the user account under which the server application is running). As I understand, domain users have delegation enabled by default. Anyway, I asked the admin to check, and the "account is sensitive and cannot be delegated" checkbox is off. I know that if my server was running as a NETWORK SERVICE and I used an SPN to connect to it, then I'd need the computer account in AD to have the "Trust computer for delegation" checkbox checked (off by default), but... this is not the case, right? Or is it? Also - when the checkbox in the computer account is set, do the changes take place immediately, or must I reboot the server PC or wait for a while?

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