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  • App Stores&ndash;In All Things, Its Quality Over Quantity

    - by D'Arcy Lussier
    Everybody has an opinion about Windows 8. People love it, people hate it, people are meh about it, people are apparently buying it from Microsoft stores in NYC as if it was water before a natural disaster…if there’s one thing that Microsoft product launches do well, its the ability to bring out strong emotional responses. Over at eweek.com, Don Reisinger wrote about 5 good and bad things about Windows 8. Yes, another opinion piece on WIndows 8. I figured since this one had good and bad it might be worthwhile to read. I then came across #10 on his list, and figured “What the hell…might as well post a bit of a rant on Windows 8 myself!” Here’s #10: 10. Bad: Too few apps Unfortunately, Microsoft wasn’t able to get too many developers to start producing applications for its Windows 8 Store. Microsoft hasn’t yet released official numbers, but some have said that the marketplace has less than 8,000 programs. Considering Apple’s App Store has 100 times that, it’s about time Microsoft starts leaning on developers to get more programs into its store. Believe me, Microsoft *has* been leaning on developers to get apps into the store. I’ve been asked at least 5 or 6 times from 5 or 6 different friends at Microsoft about whether I was going to write a Windows 8 app. I think Microsoft felt they had to try and address the number of apps available in their marketplace, since some people (like Don) would draw comparisons to the number of apps in the Apple marketplace. I feel for Microsoft in this, since the number of apps in a marketplace are an empty stat. Quality of Quantity I have an iPad that my family (wife, 10yo daughter, 3yo daughter) use. We all have our own apps installed on it. In addition, my wife has an iPhone 4S that she also installs apps on. As someone who gets asked by his kids often whether they can buy/download an app, the vast majority of the vast catalogue of iOS marketplace apps are crap! Do you realize how many “free” games are out there, only to really be not-free because you have to purchase in-game content to make the game actually playable? And how about searching – with such a vast array of apps and such high numbers of craptastic ones, trying to find something is incredibly difficult and can be frustrating. I would rather see that Microsoft has 8000 high quality apps in their store at launch, instead of 800000 that were mostly junk. Too Few Apps?! And seriously, 8000 is not a small number. How many iOS apps have I actually bought between the iPad and iPhone? I’ll be generous and say 30…heck, let’s round it up to 40. It’s not like I have 10,000 apps installed on my iPad, nor will that ever happen! So if people have, at the *launch* of a new platform ecosystem, EIGHT THOUSAND apps to choose from, I don’t see that as a fail at all! It should be noted that most of the most common apps (Netflix, Skype, etc.) are available for Windows 8 at launch – I guess I’ll have to wait a few weeks for My Pony Ranch and all its clones to start showing up; pity. Let’s Check Back in a Year So look, let’s check back in a year’s time and see what the app store looks like. My hope is that Microsoft doesn’t continue to push quantity over quality. Even knowing the optics that # of apps in the store carries and the pressure to catch Apple and Android marketplaces, I hope Microsoft avoids the scenario where there’s a good percentage of apps in the Windows Store that are utter rubbish and finding the gems will be cumbersome. But if that happens, we can thank guys like Dan who raised the false issue of app count at the launch for it.

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  • Process Is The New App by Leon Smiers

    - by JuergenKress
    Process-on-the-Fly #2 - Process is the New App The next generation of business process management and business rules management tools is so powerful that it actually can be seen as the successor to custom-built applications. Being able to define detailed process, flows, decision trees and business helps on both the business and IT side to create powerful, differentiating solutions that would have required extensive custom coding in the past. Now much of the definition can be done ‘on the fly,’ using visual models and (semi) natural language in the nearest proximity to the business. Over the years, ERP systems have been customized to enter organization-specific functionality into the ERP application. This leads to better support for the business, but at the same time involves higher costs for maintenance, high dependency on the personnel involved in this customization, long timelines to deliver change to the system and increased risk involved in upgrading the ERP system. However, the best of both worlds can be created by bringing back the functionality to out-of-the-box usage of the ERP system and at the same time introducing change and flexibility by means of externalized 'Process Apps' in direct connection with the ERP system. The ERP system (or legacy bespoke system, for that matter) is used as originally intended and designed, resulting in more predictable behavior of the system related to usage and performance, and clearly can be maintained in a more standardized and cost-effective way. The Prrocess App externalizes the needed functionality into a highly customizable application outside the ERP for which it is supported by rules engines, task inboxes and can be delivered to different channels. The reasons for needing Process Apps may include the following: The ERP system just doesn't deliver this functionality in a specific industry; the volatility of changing certain functionality is high; or an umbrella type of functionality across (ERP) silos is needed. An example of bringing all this together is around the hiring process for a new employee at a university. Oracle PeopleSoft HCM could be used as the HR system to store all employee details. In the hiring process, an authorization scheme is involved for getting the approval to create a contract for the employee-to-be. In the university world, this authorization scheme is complex and involves faculties/colleges (with different organizational structures) and cross-faculty organizational structures. Including such an authorization scheme into PeopleSoft would require a lot of customization. By adding a handle inside PeopleSoft towards an externalized authorization Process App, the execution of the authorization of the employee is done outside the ERP: in a tool that is aimed to deliver approval schemes via a worklist-type of application. The Process App here works as an add-on to the PeopleSoft system, but can also be extended to support the full lifecycle of the end-to-end hiring process with the possibility to involve multiple applications. The actual core functionality is kept in the supporting ERP systems, while at the same time the Process App acts as an umbrella function to control the end-to-end flow and give insight into the efficiency of the end-to-end process. How to get there? Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: Capgemini,Leon Smiers,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • Dentrix database file

    - by user1050116
    I have dentrix database files, but i don't know which database engine support it. I read online that it support c-Tree database engine, but i am fail to open any files/database into it. Database file are like test.dat and test.idx and many more files are there like this file extensions only. Please help me this, how can i open these files and database. Which database engine will support to open these files?

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  • this is my Receiving Email code,but can't Receiving Email .. (google-app-engine)

    - by zjm1126
    import logging, email from google.appengine.ext import webapp from google.appengine.ext.webapp.mail_handlers import InboundMailHandler from google.appengine.ext.webapp.util import run_wsgi_app class LogSenderHandler(InboundMailHandler): def receive(self, message): _subject = message.subject _sender=message.sender bodies = message.bodies('text/plain') allBodies = "" #for body in bodies: # allBodies = allBodies + "\n---------------------------\n" + body[1].decode() #m= mail.EmailMessage(sender="[email protected] ",subject="reply to "+_subject) #m.to = _sender #m.body =allBodies #m.send() message = mail.EmailMessage(sender="[email protected]", subject="Your account has been approved") message.to = _sender message.body = """ Dear Albert: Your example.com account has been approved. You can now visit http://www.example.com/ and sign in using your Google Account to access new features. Please let us know if you have any questions. The example.com Team """ message.send() application = webapp.WSGIApplication([LogSenderHandler.mapping()], debug=True) app.yaml: application: zjm1126 version: 1-2 runtime: python api_version: 1 inbound_services: - mail handlers: - url: /media static_dir: media - url: /_ah/mail/.+ script: handle_incoming_email.py login: admin - url: / script: a.py - url: /sign script: a.py - url: .* script: django_bootstrap.py i use my email:[email protected] send some words to [email protected] but i can't get a Receiving Email, why ??? thanks and this is the log:

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  • Image improvment methods for OCR Engine

    - by Amir
    Hello every one, We are working on a software that uses OPENOCR engine to do some OCR on given images, given we are using .NET framework , i was wondering if anyone knows about any good possible filters or sharpening methods that can be applied to the image prior to sending it to OCR engine. I have found for example a grayscaled image is much easier for OCR engine to read than a color images. are there any other techniques or image filttering that you guys know of , that can decrease the error margin by OCR engine ? Thanks a million -Amir

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  • Which credentials should I put in for Google App Engine BulkLoader at development server?

    - by Hoang Pham
    Hello everyone, I would like to ask which kind of credentials do I need to put on for importing data using the Google App Engine BulkLoader class appcfg.py upload_data --config_file=models.py --filename=listcountries.csv --kind=CMSCountry --url=http://localhost:8178/remote_api vit/ And then it asks me for credentials: Please enter login credentials for localhost Here is an extraction of the content of the models.py, I use this listcountries.csv file class CMSCountry(db.Model): sortorder = db.StringProperty() name = db.StringProperty(required=True) formalname = db.StringProperty() type = db.StringProperty() subtype = db.StringProperty() sovereignt = db.StringProperty() capital = db.StringProperty() currencycode = db.StringProperty() currencyname = db.StringProperty() telephonecode = db.StringProperty() lettercode = db.StringProperty() lettercode2 = db.StringProperty() number = db.StringProperty() countrycode = db.StringProperty() class CMSCountryLoader(bulkloader.Loader): def __init__(self): bulkloader.Loader.__init__(self, 'CMSCountry', [('sortorder', str), ('name', str), ('formalname', str), ('type', str), ('subtype', str), ('sovereignt', str), ('capital', str), ('currencycode', str), ('currencyname', str), ('telephonecode', str), ('lettercode', str), ('lettercode2', str), ('number', str), ('countrycode', str) ]) loaders = [CMSCountryLoader] Every tries to enter the email and password result in "Authentication Failed", so I could not import the data to the development server. I don't think that I have any problem with my files neither my models because I have successfully uploaded the data to the appspot.com application. So what should I put in for localhost credentials? I also tried to use Eclipse with Pydev but I still got the same message :( Here is the output: Uploading data records. [INFO ] Logging to bulkloader-log-20090820.121659 [INFO ] Opening database: bulkloader-progress-20090820.121659.sql3 [INFO ] [Thread-1] WorkerThread: started [INFO ] [Thread-2] WorkerThread: started [INFO ] [Thread-3] WorkerThread: started [INFO ] [Thread-4] WorkerThread: started [INFO ] [Thread-5] WorkerThread: started [INFO ] [Thread-6] WorkerThread: started [INFO ] [Thread-7] WorkerThread: started [INFO ] [Thread-8] WorkerThread: started [INFO ] [Thread-9] WorkerThread: started [INFO ] [Thread-10] WorkerThread: started Password for [email protected]: [DEBUG ] Configuring remote_api. url_path = /remote_api, servername = localhost:8178 [DEBUG ] Bulkloader using app_id: abc [INFO ] Connecting to /remote_api [ERROR ] Exception during authentication Traceback (most recent call last): File "D:\Projects\GoogleAppEngine\google_appengine\google\appengine\tools\bulkloader.py", line 2802, in Run request_manager.Authenticate() File "D:\Projects\GoogleAppEngine\google_appengine\google\appengine\tools\bulkloader.py", line 1126, in Authenticate remote_api_stub.MaybeInvokeAuthentication() File "D:\Projects\GoogleAppEngine\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", line 488, in MaybeInvokeAuthentication datastore_stub._server.Send(datastore_stub._path, payload=None) File "D:\Projects\GoogleAppEngine\google_appengine\google\appengine\tools\appengine_rpc.py", line 344, in Send f = self.opener.open(req) File "C:\Python25\lib\urllib2.py", line 381, in open response = self._open(req, data) File "C:\Python25\lib\urllib2.py", line 399, in _open '_open', req) File "C:\Python25\lib\urllib2.py", line 360, in _call_chain result = func(*args) File "C:\Python25\lib\urllib2.py", line 1107, in http_open return self.do_open(httplib.HTTPConnection, req) File "C:\Python25\lib\urllib2.py", line 1082, in do_open raise URLError(err) URLError: <urlopen error (10061, 'Connection refused')> [INFO ] Authentication Failed Thank you!

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  • How do I use FB.Connect.streamPublish in an iframe facebook app?

    - by Gary
    I'm making a simple iframe-based facebook app. I have the following code to size my iframe: FB_RequireFeatures(["Connect"], function(){ FB.XdComm.Server.init('/xd_receiver.htm'); FB.CanvasClient.startTimerToSizeToContent(); FB.CanvasClient.syncUrl(); }); I want to add a link that will display a popup which will allow the user to post an app-defined image/link to the user's wall. To get things working initially, I tried just using the following code on a click event: FB.Connect.streamPublish(''); However, nothing happens. I've tried adding: FB.init(<?=API_KEY?>, '/xd_receiver.htm'); both inside the FB_RequireFeatures function, before it, after it... no luck. Nothing happens. No errors are thrown. Nothing. Any ideas?

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  • Sharing Windows Store apps between accounts

    - by Klas Mellbourn
    In Windows 8 it seems natural to me that each person in a family has their own Microsoft Account with which they log in. If you pay for an app on the Windows Store, you can install that same app on several computers using the same Microsoft Account. Good. However, if several persons, in this case my children, each have their own account on the same computer, they do not get access to apps bought on a sibling's account, even if the app has been installed on the same computer. Bad. (Compare this to iOS where you are allowed have several iPhones with different iCloud-connected accounts but all using the same iTunes App Store account, which is perfect for a family where all can then use the same app which was bought just once) Is there any way to share apps between Microsoft Accounts (e.g. members of the same family)? Alternatively, is there a way to run apps that are installed on a computer when you are logged in with a Microsoft Account different than the one used when installing the app?

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  • App Pool doesn't respect memory limits

    - by lucuma
    I am dealing with a legacy .NET app that has a memory leak. In order to try and mitigate a run away memory situation, I've set the app pool memory limits from anywhere between 500KB to 500000KB (500MB) however the app pool doesn't seem to respect the settings as I can login and view the physical memory for it (5GB and above no matter what values). This app is killing the server and I can't seem to determine how to adjust the app pool. What settings do you recommend in order to ensure this app pool doesn't exceed around 500mb of memory. Here is an example, the app pool is using 3.5GB of

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  • Google app engine - what is the lifecycle of PersistenceManager?

    - by Domchi
    What is the preferred way of using GAE datastore PersistenceManager for web app? GAE instructions are a bit ambiguous on the matter. Do I instantiate PersistenceManagerFactory for each RPC call, or do I use only one factory for all requests? Do I call PMF.get().getPersistenceManager(), or do I call PMF.get().getPersistenceManagerProxy()? Do I close PM after each RPC call, or do I leave it open? What are you guys doing? Furthermore, I'm not certain how GAE handles 30-second-per-request limit. Is it even possible to reference the same PM between requests?

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  • Is there any user-friendly way to deliver an In-app purchase subscription to multiple devices?

    - by mkvakin
    Hi everybody, Apple requires an in-app purchase subscription purchased on one device to be available on all devices associated with the user: “...subscriptions must be provided on all devices associated with a user. In App Purchase expects subscriptions to be delivered through an external server that you will provide. You must provide infrastructure to deliver subscriptions to multiple devices.” Is there any way to propagate a subscription to another device transparently without user having to create a server side user account and log in each time he needs to enable the subscription on another device? E.g. by reading a username from some kind of API and using it as a key on a server to store information about subscriptions. I tried to find an API for retrieving user account info but couldn't find any.

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  • What does upload in Google AppEngine app.yaml do?

    - by Great Turtle
    I am going through the various Google AppEngine tutorials sometimes, and I just noticed something odd in a StackOverflow question about favicon.ico - specifically this question: http://stackoverflow.com/questions/887328/favicon-ico-not-found-error-in-app-engine - url: /favicon.ico static_files: media/img/favicon.ico upload: media/img/favicon.ico - url: /robots.txt static_files: media/robots.txt upload: media/robots.txt All of the posters included an "upload:" line in their app.yaml definitions The application appears to work the same with or without the upload: line, and I have not seen any mention of it in the official documentation. Where is it used, or what difference does it make if this line is included or not?

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  • Sql Alchemy Duplicated Commit

    - by PythonWolf
    Good Morning i'm currently facing a problem in my Cherrypy application. Im my own custom session module , anyway when performing session.add() The exact same object gets updated Twice. cherrypy.request.SessionManager.user_data = user try: db_session.add(cherrypy.request.SessionManager) db_session.commit() Will Return 2011-06-21 09:16:48,991 INFO sqlalchemy.engine.base.Engine.0x...04cL BEGIN (implicit) 2011-06-21 09:16:49,015 INFO sqlalchemy.engine.base.Engine.0x...04cL SELECT ..... FROM "Clients_Users" WHERE "Clients_Users".username = %(username_1)s AND "Clients_Users".password = %(password_1)s LIMIT 1 OFFSET 0 2011-06-21 09:16:49,015 INFO sqlalchemy.engine.base.Engine.0x...04cL {'password_1': '123', 'username_1': u'1'} 2011-06-21 09:16:49,047 INFO sqlalchemy.engine.base.Engine.0x...04cL UPDATE "SYS_Sessions" SET user_data=%(user_data)s WHERE "SYS_Sessions".id = %(SYS_Sessions_id)s 2011-06-21 09:16:49,067 INFO sqlalchemy.engine.base.Engine.0x...04cL {'SYS_Sessions_id': 92L, 'user_data': } 2011-06-21 09:16:49,071 INFO sqlalchemy.engine.base.Engine.0x...04cL COMMIT 2011-06-21 09:16:49,093 INFO sqlalchemy.engine.base.Engine.0x...04cL BEGIN (implicit) 2011-06-21 09:16:49,095 INFO sqlalchemy.engine.base.Engine.0x...04cL UPDATE "SYS_Sessions" SET user_data=%(user_data)s WHERE "SYS_Sessions".id = %(SYS_Sessions_id)s 2011-06-21 09:16:49,095 INFO sqlalchemy.engine.base.Engine.0x...04cL {'SYS_Sessions_id': 92L, 'user_data': } 2011-06-21 09:16:49,108 INFO sqlalchemy.engine.base.Engine.0x...04cL COMMIT As Anyone seen this before ? P.S This doesn't happen in the rest of the modules i have made.

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  • How to get the app a Django model is from?

    - by e-satis
    I have a model with a generic relation: TrackedItem --- genericrelation ---> any model I would like to be able to generically get, from the initial model, the tracked item. I should be able to do it on any model without modifying it. To do that I need to get the content type and the object id. Getting the object id is easy since I have the model instance, but getting the content type is not: ContentType.object.filter requires the model (which is just content_object.__class__.__name__) and the app_label. I have no idea of how to get in a reliable way the app in which a model is. For now I do app = content_object.__module__.split(".")[0], but it doesn't work with django contrib apps.

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  • Facebook access_token: how do I get it once the user accepted my app?

    - by hoktar
    When a user visits my site which contains a facebook app the first time, it requires him to allow it and he gets promted to do that, then I get the code which I can convert to an access_token. So far so good. But how do I get the token once the user has already visited the site? As long as this token form the first time is active everything is fine. But how do I get another token when the user had already allowed the app a week ago and is only visiting my page again?

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  • RTS Voxel Engine using LWJGL - Textures glitching

    - by Dieter Hubau
    I'm currently working on an RTS game engine using voxels. I have implemented a basic chunk manager using an Octree of Octrees which contains my voxels (simple square blocks, as in Minecraft). I'm using a Voronoi-based terrain generation to get a simplistic yet relatively realistic heightmap. I have no problem showing a 256*256*256 grid of voxels with a decent framerate (250), because of frustum culling, face culling and only rendering visible blocks. For example, in a random voxel grid of 256*256*256 I generally only render 100k-120k faces, not counting frustum culling. Frustum culling is only called every 100ms, since calling it every frame seemed a bit overkill. Now I have reached the stage of texturing and I'm experiencing some problems: Some experienced people might already see the problem, but if we zoom in, you can see the glitches more clearly: All the seams between my blocks are glitching and kind of 'overlapping' or something. It's much more visible when you're moving around. I'm using a single, simple texture map to draw on my cubes, where each texture is 16*16 pixels big: I have added black edges around the textures to get a kind of cellshaded look, I think it's cool. The texture map has 256 textures of each 16*16 pixels, meaning the total size of my texture map is 256*256 pixels. The code to update the ChunkManager: public void update(ChunkManager chunkManager) { for (Octree<Cube> chunk : chunks) { if (chunk.getId() < 0) { // generate an id for the chunk to be able to call it later chunk.setId(glGenLists(1)); } glNewList(chunk.getId(), GL_COMPILE); glBegin(GL_QUADS); faces += renderChunk(chunk); glEnd(); glEndList(); } } Where my renderChunk method is: private int renderChunk(Octree<Cube> node) { // keep track of the number of visible faces in this chunk int faces = 0; if (!node.isEmpty()) { if (node.isLeaf()) { faces += renderItem(node); } List<Octree<Cube>> children = node.getChildren(); if (children != null && !children.isEmpty()) { for (Octree<Cube> child : children) { faces += renderChunk(child); } } return faces; } Where my renderItem method is the following: private int renderItem(Octree<Cube> node) { Cube cube = node.getItem(-1, -1, -1); int faces = 0; float x = node.getPosition().x; float y = node.getPosition().y; float z = node.getPosition().z; float size = cube.getSize(); Vector3f point1 = new Vector3f(-size + x, -size + y, size + z); Vector3f point2 = new Vector3f(-size + x, size + y, size + z); Vector3f point3 = new Vector3f(size + x, size + y, size + z); Vector3f point4 = new Vector3f(size + x, -size + y, size + z); Vector3f point5 = new Vector3f(-size + x, -size + y, -size + z); Vector3f point6 = new Vector3f(-size + x, size + y, -size + z); Vector3f point7 = new Vector3f(size + x, size + y, -size + z); Vector3f point8 = new Vector3f(size + x, -size + y, -size + z); TextureCoordinates tc = textureManager.getTextureCoordinates(cube.getCubeType()); // front face if (cube.isVisible(CubeSide.FRONT)) { faces++; glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point1.x, point1.y, point1.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point4.x, point4.y, point4.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point3.x, point3.y, point3.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point2.x, point2.y, point2.z); } // back face if (cube.isVisible(CubeSide.BACK)) { faces++; glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point5.x, point5.y, point5.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point6.x, point6.y, point6.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point7.x, point7.y, point7.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point8.x, point8.y, point8.z); } // left face if (cube.isVisible(CubeSide.SIDE_LEFT)) { faces++; glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point5.x, point5.y, point5.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v]); glVertex3f(point1.x, point1.y, point1.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u + 1], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point2.x, point2.y, point2.z); glTexCoord2f(TEXTURE_U_COORDINATES[tc.u], TEXTURE_V_COORDINATES[tc.v + 1]); glVertex3f(point6.x, point6.y, point6.z); } // ETC ETC return faces; } When all this is done, I simply render my lists every frame, like this: public void render(ChunkManager chunkManager) { glBindTexture(GL_TEXTURE_2D, textureManager.getCubeTextureId()); // load all chunks from the tree List<Octree<Cube>> chunks = chunkManager.getTree().getAllItems(); for (Octree<Cube> chunk : chunks) { if (frustum.cubeInFrustum(chunk.getPosition(), chunk.getSize() / 2)) { glCallList(chunk.getId()); } } } I don't know if anyone is willing to go through all of this code or maybe you can spot the problem right away, but that is basically the problem, and I can't find a solution :-) Thanks for reading and any help is appreciated!

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  • Collision Detection problems in Voxel Engine (XNA)

    - by Darestium
    I am creating a minecraft like terrain engine in XNA and have had some collision problems for quite some time. I have checked and changed my code based on other peoples collision code and I still have the same problem. It always seems to be off by about a block. for instance, if I walk across a bridge which is one block high I fall through it. Also, if you walk towards a "row" of blocks like this: You are able to stand "inside" the left most one, and you collide with nothing in the right most side (where there is no block and is not visible on this image). Here is all my collision code: private void Move(GameTime gameTime, Vector3 direction) { float speed = playermovespeed * (float)gameTime.ElapsedGameTime.TotalSeconds; Matrix rotationMatrix = Matrix.CreateRotationY(player.Camera.LeftRightRotation); Vector3 rotatedVector = Vector3.Transform(direction, rotationMatrix); rotatedVector.Normalize(); Vector3 testVector = rotatedVector; testVector.Normalize(); Vector3 movePosition = player.position + testVector * speed; Vector3 midBodyPoint = movePosition + new Vector3(0, -0.7f, 0); Vector3 headPosition = movePosition + new Vector3(0, 0.1f, 0); if (!world.GetBlock(movePosition).IsSolid && !world.GetBlock(midBodyPoint).IsSolid && !world.GetBlock(headPosition).IsSolid) { player.position += rotatedVector * speed; } //player.position += rotatedVector * speed; } ... public void UpdatePosition(GameTime gameTime) { player.velocity.Y += playergravity * (float)gameTime.ElapsedGameTime.TotalSeconds; Vector3 footPosition = player.Position + new Vector3(0f, -1.5f, 0f); Vector3 headPosition = player.Position + new Vector3(0f, 0.1f, 0f); // If the block below the player is solid the Y velocity should be zero if (world.GetBlock(footPosition).IsSolid || world.GetBlock(headPosition).IsSolid) { player.velocity.Y = 0; } UpdateJump(gameTime); UpdateCounter(gameTime); ProcessInput(gameTime); player.Position = player.Position + player.velocity * (float)gameTime.ElapsedGameTime.TotalSeconds; velocity = Vector3.Zero; } and the one and only function in the camera class: protected void CalculateView() { Matrix rotationMatrix = Matrix.CreateRotationX(upDownRotation) * Matrix.CreateRotationY(leftRightRotation); lookVector = Vector3.Transform(Vector3.Forward, rotationMatrix); cameraFinalTarget = Position + lookVector; Vector3 cameraRotatedUpVector = Vector3.Transform(Vector3.Up, rotationMatrix); viewMatrix = Matrix.CreateLookAt(Position, cameraFinalTarget, cameraRotatedUpVector); } which is called when the rotation variables are changed: public float LeftRightRotation { get { return leftRightRotation; } set { leftRightRotation = value; CalculateView(); } } public float UpDownRotation { get { return upDownRotation; } set { upDownRotation = value; CalculateView(); } } World class: public Block GetBlock(int x, int y, int z) { if (InBounds(x, y, z)) { Vector3i regionalPosition = GetRegionalPosition(x, y, z); Vector3i region = GetRegionPosition(x, y, z); return regions[region.X, region.Y, region.Z].Blocks[regionalPosition.X, regionalPosition.Y, regionalPosition.Z]; } return new Block(BlockType.none); } public Vector3i GetRegionPosition(int x, int y, int z) { int regionx = x == 0 ? 0 : x / Variables.REGION_SIZE_X; int regiony = y == 0 ? 0 : y / Variables.REGION_SIZE_Y; int regionz = z == 0 ? 0 : z / Variables.REGION_SIZE_Z; return new Vector3i(regionx, regiony, regionz); } public Vector3i GetRegionalPosition(int x, int y, int z) { int regionx = x == 0 ? 0 : x / Variables.REGION_SIZE_X; int X = x % Variables.REGION_SIZE_X; int regiony = y == 0 ? 0 : y / Variables.REGION_SIZE_Y; int Y = y % Variables.REGION_SIZE_Y; int regionz = z == 0 ? 0 : z / Variables.REGION_SIZE_Z; int Z = z % Variables.REGION_SIZE_Z; return new Vector3i(X, Y, Z); } Any ideas how to fix this problem? EDIT 1: Graphic of the problem: EDIT 2 GetBlock, Vector3 version: public Block GetBlock(Vector3 position) { int x = (int)Math.Floor(position.X); int y = (int)Math.Floor(position.Y); int z = (int)Math.Ceiling(position.Z); Block block = GetBlock(x, y, z); return block; } Now, the thing is I tested the theroy that the Z is always "off by one" and by ceiling the value it actually works as intended. Altough it still could be greatly more accurate (when you go down holes you can see through the sides, and I doubt it will work with negitive positions). I also does not feel clean Flooring the X and Y values and just Ceiling the Z. I am surely not doing something correctly still.

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  • Stack Exchange Notifier Chrome Extension [v1.2.9.3 released]

    - by Vladislav Tserman
    About Stack Exchange Notifier is a handy extension for Google Chrome browser that displays your current reputation, badges on Stack Exchange sites and notifies you on reputation's changes. You will now get notified of comments on your own posts (questions and answers) and of any comments that refer to you by @username in a comment, even if you do not own the post (aka mentions). All StackExchange sites are supported. Screenshots Access Install extensions from Google Chrome Extension Gallery Platform Google Chrome browser extension Contact Created by me (Vladislav Tserman). I'm available at: vladjan (at) gmail.com Follow Stack Exchange Notifier on twitter to get notified about news and updates: http://twitter.com/se_notifier Code Written in Java, Google Web Toolkit under Eclipse Helios. Stack Exchange Notifier uses the Stack Exchange API and is powered by Google App Engine for Java. Changelog I will be porting extension to not use app engine back-end due to some limitations. New versions of the extension will be making direct calls to Stack Exchange API right from your browser. Please do not expect new versions of the extension any time soon. Sorry. Read more about limitations here http://stackapps.com/questions/1713 and here http://stackoverflow.com/questions/3949815 Currently, you may sometimes experience some issues using extension, but most users will have no problems. You may notice too many errors in the logs, but there is nothing I can do with this now. Thanks for using my little app, thanks to all of you it still works in spite of many issues with API Version 1.2.9.3 - Thursday, October 14, 2010 - Bug fix release (back-end improvements) Version 1.2.9.2 - Thursday, October 07, 2010 - Bug fix release (high rate of occasional API errors were noticed so some fixes added to handle them were possible) Version 1.2.9.1 - Tuesday, October 05, 2010 - Mostly bug fix release, back-end performance improvements - You will now get notified of comments on your own posts (questions and answers) that are not older than 1 year and of any comments that refer to you by @username in a comment, even if you do not own the post (aka mentions). This is experimental feature, let me know if you like/need it. - New 'All sites' view displays all websites from Stack Exchange network (part of new feature that is not finished yet) Version 1.2.9 - Saturday, September 25, 2010 - Fixes an issue when some users got empty Account view. - When hovering on @Username on account view the title now displays '@Username on @SiteName' to easily understand the site name Version 1.2.7 - Wednesday, September 22, 2010 - Fixed an issue with notifications. - Minor improvements Version 1.2.5 - Tuesday, September 21, 2010 - Fixed an issue where some characters in response payload raised an exception when parsing to JSON. v1.2.3 (Sunday, September 19, 2010) - Support for new OpenID providers was added (Yahoo, MyOpenID, AOL) - UI improvements - Several minor defects were fixed v1.2.2 (Thursday, September 16, 2010) - New types of notifications added. Now extension notifies you on comments that are directed to you. Comments are expandable, so clicking on comment title will expand height to accommodate all available text. - UI and error handling improvements Future Application still in beta stage. I hope you're not having any problems, but if you are, please let me know. Leave your feedback and bug reports in comments. I'm available at: vladjan (at) gmail.com. I'm working on adding new features. I want to hear from the users and incorporate as much feedback as possible into the extension. Any suggestions for improvements/features to add?

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  • Drupal Modules for SEO & Content

    - by Aditi
    When we talk about Drupal SEO, there are two things to consider one is about the relevant SEO practices and about appropriate Drupal Modules available. Optimizing your website for search engines is one of the most important aspect of launching & promoting your website especially if ranking matters to you. Understanding SEO For starters, you have begin with Keyword research and then optimize your content according to your findings by tagging, meta tags etc, Drupal modules once installed help you manage a lot of such parameters. Identifying the target keywords Using the Page Title and Token modules PathAuto configuration <H1> heading tags Optimizing Drupal’s default robots.txt file Etc. While Drupal gives you a lot of ability to make your website content worthy & search engine friendly it is important for you to make sure you are not crossing the line or you could get penalized. Modules Overview Drupal Power is at its best when you have these modules & great brain working together. The basic SEO improvements can be achieved easily with the modules enlisted below, but you can win magical rankings if you use them logically & wisely. Understanding your keyword competition & enhancing your content is the basic key to success and ofcourse the modules: Pathauto Automatically create search enging friendly readable URLS from tokens. A token is a piece of data from content, say the author’s username, or the content’s title. For example mysite.com/an-article, rather than mysite.com/node/114 for every node you make. NodeWords Amazingly useful drupal module that allows you to create custom meta tags and descriptions for your nodes, which gives you the ability to target specific keywords and phrases. Page Title Enables you to set an alternative title for the <title></title> tags and for the <h1></h1> tags on a node. Global Redirect Manage content duplication, 301 redirects, and URL validation with this small, but powerful module. Taxonomy manager Make large additions, or changes to taxonomy very easy. This module provides a powerful interface for managing taxonomies. A vocabulary gets displayed in a dynamic tree view, where parent terms can be expanded to list their nested child terms or can be collapsed. robotstxt A robots.txt file is vital for ensuring that search engine spiders don’t index the unwanted areas of your site. This Drupal module gives you the ability to manage your robots.txt file through the CMS admin. xmlsitemap An XML Sitemap lets the search engines index your website content. This module helps in generating and maintaining a complete sitemap for your website and gives you control over exactly which parts of the site you want to be included in the index. It even gives you the ability to automatically submit your sitemap to Google, Yahoo!, Ask.com and Windows Live every time you update a node or at specific interval. Node Import This module allows you to import a set of nodes from a Comma Seperated Values (CSV) or Tab Seperated Values (TSV) text file. Makes it easy to import hundreds-thousands of csv rows and you get to tie up these rows to CCK fields (or locations), and it can file it under the right taxonomy hierarchy. This is Super life saver module.

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  • Run a Vaadin app on Azure?

    - by Gorkamorka
    I'm considering deploying a Vaadin Java web app on Azure, but when searching around for others doing this I have found nothing (except a single, old and mostly unanswered thread on the Vaadin forums). My question is thus: Has anyone successfully managed to deploy and run a Vaadin app on Azure? Did the project or the remote Tomcat server require any special configuration? What worked and what didn't?

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  • Pass a single boolean from an Android App to a libgdx game

    - by Doug Henning
    I'm writing an Android application that needs to pass a single boolean into an Android game that I am also writing. The idea is that the user does something in the App which will affect how the game operates. This is tricky with LIBGDX since I need to get the bool value into the Java files of the game, but of course, you can't call Android specific things from within LIBGDX's main Java files. I tried using an intent but of course the same problem persists. I can get the boolean into the MainActivity.Java of the android output of the game, but can't pass it along any further since the android output and the main java files don't know about each other. I have seen a few tutorials that explain how to use set up an interface in the LIBGDX java files that can call android things. This seems like wild overkill for what I want to do. I've been trying to use Android's Shared Preferences with LIBGDX's Gdx.app.getPreferences, but I can't make it work. Anyhelp would be MUCH appreciated. I've set up two hello world applications. One is a standard Android app, with a single button that is supposed to write "true" into the shared preferences. The other is a standard LIBGDX hello world that is supposed to do nothing but check that bool when launched and if true display one image to the screen, if false, display a different one. Here's the relevant bit of the Android code: import android.preference.PreferenceManager; public void onClick(View view) { if (view == this.boolButton){ final String PREF_FILE_NAME = "myBool"; SharedPreferences preferences = getSharedPreferences(PREF_FILE_NAME, MODE_WORLD_WRITEABLE); SharedPreferences.Editor editor = preferences.edit(); editor.putBoolean("myBool", true); editor.commit(); } } And here's the relevant bit of the code from the LIBGDX main file: Preferences prefs = Gdx.app.getPreferences("myBool"); boolean switcher = prefs.getBoolean("myBool"); if(switcher == true){ texture = new Texture(Gdx.files.internal("data/worked512.png")); prefs.putBoolean("myBool", false); } else { texture = new Texture(Gdx.files.internal("data/libgdx.png")); } Everything compiles fine, it just doesn't work. I've spent HOURS googling trying to find a way to pass this single boolean from android into a LIBGDX main and I'm totally stumped. Thanks for your help.

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  • Pass a single boolean from an Android App to a LIBGDK game

    - by Doug Henning
    I'm writing an Android application that needs to pass a single boolean into an Android game that I am also writing. The idea is that the user does something in the App which will affect how the game operates. This is tricky with LIBGDX since I need to get the bool value into the Java files of the game, but of course, you can't call Android specific things from within LIBGDX's main Java files. I tried using an intent but of course the same problem persists. I can get the boolean into the MainActivity.Java of the android output of the game, but can't pass it along any further since the android output and the main java files don't know about each other. I have seen a few tutorials that explain how to use set up an interface in the LIBGDX java files that can call android things. This seems like wild overkill for what I want to do. I've been trying to use Android's Shared Preferences with LIBGDX's Gdx.app.getPreferences, but I can't make it work. Anyhelp would be MUCH appreciated. I've set up two hello world applications. One is a standard Android app, with a single button that is supposed to write "true" into the shared preferences. The other is a standard LIBGDX hello world that is supposed to do nothing but check that bool when launched and if true display one image to the screen, if false, display a different one. Here's the relevant bit of the Android code: import android.preference.PreferenceManager; public void onClick(View view) { if (view == this.boolButton){ final String PREF_FILE_NAME = "myBool"; SharedPreferences preferences = getSharedPreferences(PREF_FILE_NAME, MODE_WORLD_WRITEABLE); SharedPreferences.Editor editor = preferences.edit(); editor.putBoolean("myBool", true); editor.commit(); } } And here's the relevant bit of the code from the LIBGDX main file: Preferences prefs = Gdx.app.getPreferences("myBool"); boolean switcher = prefs.getBoolean("myBool"); if(switcher == true){ texture = new Texture(Gdx.files.internal("data/worked512.png")); prefs.putBoolean("myBool", false); } else { texture = new Texture(Gdx.files.internal("data/libgdx.png")); } Everything compiles fine, it just doesn't work. I've spent HOURS googling trying to find a way to pass this single boolean from android into a LIBGDX main and I'm totally stumped. Thanks for your help.

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  • OBIEE 11.1.1 - How to configure HTTP compression / caching on Oracle BI Mobile app

    - by Ahmed Awan
     Applies to: OBIEE 11.1.1.5 Supported Physical Devices and OS: The Oracle BI Mobile application with HTTP compression / caching configurations is tested on following devices: iPhone 4S, 4, 3GS. iPad 2 and 1. Note these devices must be running the latest version of the iOS version, i.e. iOS 4.2.1 / iOS 5 is also supported. Configuring Pre-requisites: Prior to configuration, the Oracle Web tier software must be installed on server, as described in product documentation i.e. Enterprise Deployment Guide for Oracle Business Intelligence in Section 3.2, "Installing Oracle HTTP Server." The steps for configuring the compression and caching on Oracle HTTP Server are described in this PA blog at http://blogs.oracle.com/pa/entry/obiee_11g_user_interface_ui and in support Doc ID 1312299.1. Configuration Steps in Oracle BI Mobile application: 1. Download the BI Mobile app from the Apple iTunes App Store. The link is http://itunes.apple.com/us/app/oracle-business-intelligence/id434559909?mt=8 . 2. Add Server for example http://pew801.us.oracle.com:7777/analytics/ , here is how your “Server Setting” screen should look like on your OBI Mobile app:                                 Performance Gain Test (using Oracle® HTTP Server with OBIEE) The test with/without HTTP compression / caching was conducted on iPhone 4S / iPad 2 to measure the throughput (i.e. total bytes received) for Oracle® Business Intelligence Enterprise Edition. Below table shows the throughput comparison before and after using HTTP compression / caching for SampleApp using “QuickStart” dashboard accessing reports i.e. Overview, Details, Published Reporting and Scorecard. Testing shows that total bytes received were reduced from 2.3 MB to 723 KB. a. Test Results > Without HTTP Compression / Caching setting - Total Throughput (in Bytes) captured below: Total Bytes Statistics:        b. Test Results > With HTTP Compression / Caching settings - Total Throughput (in Bytes) captured below: Total Bytes Statistics:      

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  • How to 'reproduce copyright` in an app?

    - by ohho
    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. The above is quoted from a BSD licensed COPYING file. How can I "reproduce the above copyright" when I distribute my app in binary form? Should I put the COPYING file content in some Credit/About screen of my app or what? Thanks!

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