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• Decrypting Windows XP encrypted files from an old disk

  - by Uri Cohen

  I had an old Windows XP machine with an encrypted directory. When moving to a new Win7 machine I connected the old disk as a slave in the new machine, and hence cannot access the encrypted files. Chances don't seem good as documentation warns you: "Do not Delete or Rename a User's account from which will want to Recover the Encrypted Files. You will not be able to de-crypt the files using the steps outlined above." On the other hand, I have full access to the machine, so maybe there's a utility which can extract the keys and use the to decrypt the files... BTW, I didn't have a password in the old machine, if it's relevant. Ideas, anyone? Thanks!

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• Moving my sprite in XNA using classes

  - by Tom

  Hey, im a newbie at this programming lark and its really frustrating me. I'm trying to move a snake in all directions while using classes. Ive created a vector2 for speed and ive attempted creating a method which moves the snake within the snake class. Now I'm confused and not sure what to do next. Appreciate any help. Thanks :D This is what i've done in terms of the method... public Vector2 direction() { Vector2 inputDirection = Vector2.Zero; if (Keyboard.GetState().IsKeyDown(Keys.Left)) inputDirection.X -= -1; if (Keyboard.GetState().IsKeyDown(Keys.Right)) inputDirection.X += 1; if (Keyboard.GetState().IsKeyDown(Keys.Up)) inputDirection.Y -= -1; if (Keyboard.GetState().IsKeyDown(Keys.Down)) inputDirection.Y += 1; return inputDirection * snakeSpeed; } Appreciate any help. Thanks :D EDIT: Well let me make everything clear. Im making a small basic game for an assignment. The game is similar to the old snake game on the old Nokia phones. I've created a snake class (even though I'm not sure whether this is needed because im only going to be having one moving sprite within the game). After I written the code above (in the snake class), the game ran with no errors but I couldn't actually move the image :( EDIT2: Thanks so much for everyones responses!!

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• Hallmarks of a Professional PHP Programmer

  - by Scotty C.

  I'm a 19 year old student who really REALLY enjoys programming, and I'm hoping to glean from your years of experience here. At present, I'm studying PHP every chance I get, and have been for about 3 years, although I've never taken any formal classes. I'd love to some day be a programmer full time, and make a good career of it. My question to you is this: What do you consider to be the hallmarks or traits of a professional programmer? Mainly in the field of PHP, but other, more generalized qualifications are also more than welcome, as I think PHP is more of a hobbyist language and may not be the language of choice in the eyes of potential employers. Please correct me if I'm wrong. Above all, I don't want to wast time on something that isn't worth while. I'm currently feeling pretty confident in my knowledge of PHP as a language, and I know that I could build just about anything I need and have it "work", but I feel sorely lacking in design concepts and code structure. I can even write object oriented code, but in my personal opinion, that isn't worth a hill of beans if it isn't organized well. For this reason, I bought Matt Zandstra's book "PHP Objects, Patterns, and Practice" and have been reading that a little every day. Anyway, I'm starting to digress a little here, so back to the original question. What advice would you give to an aspiring programmer who wants to make an impact in this field? Also, on a side note, I've been working on a project with a friend of mine that would give a fairly good idea of where I'm at coding wise. I'm gonna give a link, I don't want anyone to feel as though I'm pushing or spamming here, so don't click it if you don't want to. But if you are interested on giving some feedback there as well, you can see the code on github. I'm known as The Craw there. https://github.com/PureChat/PureChat--Beta-/tree/

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• Identify which CCSprite is touched in Cocos2d

  - by PeterK

  I am trying to learn Cocos2d and is experimenting with Ray Wenderlich tutorial whack-a-mole: www.raywenderlich.com/2560/how-to-create-a-mole-whacking-game-with-cocos2d-part-1 In this tutorial three CCSprite's are popping up and you should click on them... However, i am trying to identify which mole, rat in my case, is popping up and place a CCSprite above that. Initially this looked like an easy task but i am failing. I am trying to NSLog LEFT HIT. i would guess the problem is in the If-statement and the last "227" height parameter. The left rat boundingBox = {{99.5, 146.5}, {165, 227}} (from NSLog). The key code is in the ccTouchBegan function: -(BOOL) ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event { CGPoint touchLocation = [self convertTouchToNodeSpace:touch]; for (CCSprite *rat in rats) { if (rat.userData == FALSE) continue; if (CGRectContainsPoint(rat.boundingBox, touchLocation)) { //left: rat boundingBox = {{99.5, 146.5}, {165, 227}} //mid: rat boundingBox = {{349.5, 146.5}, {165, 227}} //right: rat boundingBox = {{599.5, 146.5}, {165, 227}} //>>>>Here is where i try to get a hit<<<< if (CGRectContainsPoint(CGRectMake(99.5, 146.55, 165, 227), touchLocation)) { NSLog(@">>>>HIT LEFT<<<<<"); } I would really appreciate a few ideas how to get this to work.

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• Technique to have screen independent grid based puzzle with sprite animation

  - by Yan Cheng CHEOK

  Hello all, let's say I have a fixed size grid puzzle game (8 x 10). I will be using sprites animation, when the "pieces" in the puzzle is moving from one grid to another grid. I was wondering, what is the technique to have this game being implemented as screen resolution independent. Here is what I plan to do. 1) The data structure coordinate will be represented using double, with 1.0 as max value. // Puzzle grid of 8 x 10 Environment { double width = 0.8; double height = 1.0; } // Location of Sprite at coordinate (1, 1) Sprite { double posX = 0.1; double posY = 0.1; double width = 0.1; double height = 0.1; } // scale = PYSICAL_SCREEN_SIZE drawBitmap ( sprite_image, sprite_image_rect, new Rect(sprite.posX * Scale, sprite.posY * Scale, (sprite.posX + sprite.width) * Scale, (sprite.posY + sprite.Height) * Scale), paint ); 2) A large size sprite image will be used (128x128). As sprite image shall look fine if we scale from large size down to small size, but not vice versa. Besides the above mentioned technique, is there any other consideration I had missed out?

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• Customized windows xp installation

  - by user23950

  How to create a customized version of an xp installation cd. I want a hand's off installation that will install all the themes, drivers , and applications I need without my intervention. How can I do that. I tried to make use of this software called Nlite. But when I tested the iso file using virtual box. The virtual box said that there's a certain file that cannot be copied. And by the way, before I customized the original iso image of windows xp sp3, it doesn't have the file copying problem that I mentioned above.

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• chunked response in nginx not working

  - by Dean Hiller

  I ran into this post which shows my problem EXACTLY http://nginx.org/en/docs/faq/chunked_encoding_from_backend.html BUT browsers are using http 1.1 these days so I really don't understand. Our backend is the playframework and I don't mind fixing it but I don't really understand what is not working ESPECIALLY since firefox, safari, chrome ALL download the response just fine with no problems. ONLY when we stick NGINX in the middle do things break and we end up with extra data in our json responses. Any idea how to fix this? as the doc above just seems wrong since we are now on later versions of http PLUS the browsers seem to work just fine. thanks, Dean

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• Lan, vpn on Amazon EC2, how to?

  The problem is as follows: I have 2 windows2003 server instances running on the cloud. 1) How can I create a local area network from these 2 instances? 2) Assuming that I want to create a VPN network from these 2 instances, how do I do that? (I'm not very good in networking, therefor the above problem description might be incomplete or not very clear.) A detailed answer or clarification would be praised and appreciated! What I tried: 1) Setting up OpenVPN, but I got lost in the process. 2) Creating a VPN from windows2003 server in the following manner: on instance a): set up a dhcp server; set up an "accept income vpn" connection; with the followin tcp ip settings: obtain an ip from the dhcp server; on instance b): created a new vpn connection, tried to connect to intance A, using the instance A static IP but error 806 was thrown, something relate to a GRE protocol.

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• Best way to indicate more results available

  - by Alex Stangl

  We have a service to return messages. We want to limit the number returned, either allowing the caller to specify the max number to return, or else to use an internal hard limit. We also have thought it would be nice to include in the response whether more messages are available. The "best" way to go about this is not clear. Here are some ideas so far: Only set the "more messages" indicator if the user did not specify a max limit, and the internal max limit was hit. Same as #1 except that "more messages" indicator set regardless of whether the internal hard limit is hit, or the user-specified limit is hit. Same as #1 (or #2) except that we internally read limit + 1 records, but only return limit records, so we know "for sure" there is at least one additional message rather than "maybe" there are additional messages. Do away with the "more messages" flag, as it is confusing and unnecessary. Instead force the user to keep calling the API until it returns no messages. Change "more messages" indicator to something more akin to an EOF indicator, only set when the last message is known to have been retrieved and returned. What do you think is the best solution? (Doesn't have to be one of the above choices.) I searched and couldn't find a similar question already asked. Hopefully this is not "too subjective".

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• Windows Live Mail doesn't respond to clicking Allow Sender

  - by Karel

  This is a problem that I experience for a couple of years now.. I'm having the latest version of Windows Live Mail. The overall behavior works just fine, but when I want to click 'Allow Sender' in the yellow bar above my e-mail, the text button does nothing. My mouse pointer turns into a finger hand, but the click event does nothing.. Sometimes with other e-mails, the button works and the yellow bar dissappears.. I have also experienced this in previous versions of Windows Live Mail.. Does anybody know what it could be..

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• public key infrastructure - distribute bad root certificates

  - by iamrohitbanga

  Suppose a hacker launches a new Linux distro with firefox provided with it. Now a browser contains the certificates of the root certification authorities of PKI. Because firefox is a free browser anyone can package it with fake root certificates. Can this be used to authenticate some websites. How? Many existing linux distros are mirrored by people. They can easily package software containing certificates that can lead to such attacks. Is the above possible? Has such an attack taken place before?

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• 2-D Codes in Retail

  - by David Dorf

  The UPC you find on packaging is a one-dimensional barcode that's been in use, in one form or another, since the 1970s. While its a good symbology to encode numbers like a product identifier, its not really big enough to hold much more. It also requires a barcode scanner (like those connected to the POS), although iPhone apps like RedLaser have proved a mobile camera can be made to work in many situations. The next generation barcodes are two-dimensional and therefore capable of holding much more information as well as being more conducive to cameras. The most popular format is the QR Code, widely used in Japan because almost every mobile phone has a built-in reader. A typical use for QR Codes is to embed a URL so that that a mobile phone can quickly navigate to the specified web page. QR Codes can be found on posters, billboards, catalogs, and circulars. Speaking of which, Best Buy recently put a QR code in their circular as shown below. If fact, they even updated their iPhone application to include a QR Code reader. I was able to scan the barcode above right from the screen with my iPhone without issues, even though its fairly small in this image. Clearly they are planning to incorporate more QR Codes in their stores and advertising. If you haven't seen QR Codes before, you're not looking hard enough. They are around and will continue to spread.

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• Linux terminal - frozen update of input but can execute commands?

  - by Torxed

  How do i restart a shell session from within SSH when it looks something like this: anton@ubuntu:~$ c: command not found anton@ubuntu:~$ lib anton@ubuntu:~$ this is working, but its messed up anton@ubuntu:~$ I can execute commands, but as i input them nothing shows on the console, but as soon as i press enter the command executes and the output comes (without line-endings, as shown above) exec bash bash --login clear nothing really works, restarting the SSH session however works. Temporary solution is to start a screen session and every time the interface freezes you simply do Ctrl+a-c to start a new session and close the old one..

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• Windows XP unknown location popup annoyance

  - by mcgyver5

  I'm plagued by a popup from Windows XP when I use wireless. It says, "You are in an Unknown Location..." It always pops above whatever window I'm using, but does not take focus, so while it does not interrupt my typing, it gets in the way and I can't dismiss it with a keystroke. I'd like to find a way to disable this popup. I've searched in control panel -- Network Connections. I'm not referring to "balloon tips" that appear related to the wireless connection in a new location.

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• Can't launch Oneiric x64 instance on Eucalyptus

  - by Bruno Reis

  EDIT: after many hours, I've found out that the problem has nothing to do with Eucalyptus. It looks like the image is buggy. Very, very buggy. More details in the end. I didn't manage to fix it, and I will file a bug. EDIT 2: I managed to fix it, it apparently works. I have a 4-machine cluster running Ubuntu Server Natty (11.04) x64. I've installed "Ubuntu Enterprise Cloud" from the installtion CD (then updated it) on each of these machines. The cloud seems to work fine, I have lots of virtual machines running Natty servers on them. Now I'd like to run Oneiric in a virtual machine, but somehow I can't. I downloaded Oneiric's (x64) image from http://cloud-images.ubuntu.com/oneiric/current/, published it (uec-publish-tarball oneiric-server-cloudimg-amd64.tar.gz oneiric-server-cloudimg-amd64) exactly as I did with Natty, then tried to launch an instance (euca-run-instances -n 1 -k my-key -t m1.small -z my-cloud emi-XXXXXXXX) using Oneiric's image, but the instance is not able to boot. With euca-get-console-output I get the following: [ 0.461269] VFS: Cannot open root device "sda1" or unknown-block(0,0) [ 0.462388] Please append a correct "root=" boot option; here are the available partitions: [ 0.463855] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0.465331] Pid: 1, comm: swapper Not tainted 3.0.0-13-generic #22-Ubuntu [ 0.466526] Call Trace: [ 0.466989] [<ffffffff815d3ee5>] panic+0x91/0x194 [ 0.467860] [<ffffffff81ad1031>] mount_block_root+0xdc/0x18e [ 0.468891] [<ffffffff81ad126a>] mount_root+0x54/0x59 [ 0.469829] [<ffffffff81ad13dc>] prepare_namespace+0x16d/0x1a7 [ 0.470883] [<ffffffff81ad0d76>] kernel_init+0x140/0x145 [ 0.471837] [<ffffffff815f38e4>] kernel_thread_helper+0x4/0x10 [ 0.472889] [<ffffffff81ad0c36>] ? start_kernel+0x3df/0x3df [ 0.473884] [<ffffffff815f38e0>] ? gs_change+0x13/0x13 The filesystem is labeled "cloudimg-rootfs", inside the image both /etc/fstab and /boot/grub/grub.cfg always refer to the image by the label, everything seems to be correct, yet the kernel says it can't find the root file system. I've spent many hours googling, but nothing came out. I've asked on #ubuntu-server, but nobody knew what to do. I've asked on #eucalyptus but got no answer at all. Any ideas on why this is happening and how to solve it? Thanks EDIT: after many hours, I've found out that the problem has nothing to do with Eucalyptus. It looks like the image is buggy. Very, very buggy. The first problem is that the Kernel in the image is a -generic kernel, while I suppose it should be a -virtual one. I chrooted into the image, removed the -generic packages, replaced it with the -virtual ones. Then I extracted the new kernel (and replaced the original one (-generic) that came with the tarball) because I need it when I publish and launch an image with Eucalyptus. The problem described above was solved. But then, the console started showing this: mount: mount point ext4 does not exist If you check the /etc/fstab file in the image, it says: LABEL=cloudimg-rootfs ext4 defaults 0 1 Damnt, where's my mount point? Note that it is missing /proc as well. Well, when you think it is over, you will notice that your instance will have no network connectivity. Let's check /etc/network/interface: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback Oh my! It is missing eth0... here I stopped. I can't take no more. I give up. Looks like Canonical has just forgotten to properly set up this image. At first, I though: "have I downloaded a server image by mistake?", but no, I double checked. It is really the cloud image, it has even "cloud-init" installed (which is not, by default, on server images). They just forgot to prepare it. I will file a bug (and reference it here once this is done), and hope they fix it soon! EDIT 2: it looks like the network configuration was the last thing missing. I decided to test it with the fixes above, and it booted properly! However, I haven't got the slightest idea if the image is now good to go...

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• How to develop Online Shopping Portal Application using PHP ?

  - by Sarang

  I do not know PHP & I have to develop a Shopping Portal with following Definition : Scenario: Online Shopping Portal XYZ.com wants to create an online shopping portal for managing its registered customers and their shopping. The customers need to register themselves first before they do shopping using the shopping portal. However, everyone, whether registered or not, can view the various products along with the prices listed in the portal. The registered customers, after logging in, are allowed to place order for one or more products from the products listed in the portal. Once the order is placed, the customer gets a reference order number and the order status should be “order in process”. The customers can track their order using the given reference number. The management of XYZ.com should be able to modify the order status of a particular reference order number to “shipped” once the products are shipped to the shipping address entered by the customer at the time of placing the order. The Functionalities required are : Create the interface for the XYZ.com shopping portal using HTML/XHTML and CSS. Implement the client side validations using JavaScript. Create the tables using MySQL. Implement the functionality using the server side scripting language, PHP. Integrate all the above tasks and make the XYZ.com shopping portal functional. How do I develop this application with following proper steps of development ?

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• SteelSeries & JavaFX External Control via Tinkerforge

  - by Geertjan

  The first photo shows me controling a JavaFX chart by rotating a Tinkerforge device, while the other two are of me using code by Christian Pohl from Nordhorn, Germany, to show components from Gerrit Grunwald's SteelSeries library being externally controled by Tinkerforge devices: What these examples show is that you can have a robot (i.e., an external device), of some kind, that can produce output that can be visualized via JavaFX charts and SteelSeries components. For example, imagine a robot that moves around while collecting data on the current temperature throughout a building. That's possible because a temperature device is part of Tinkerforge, just like the rotating device and distance device shown in the photos above. The temperature data collected by the robot would be displayed in various ways on a computer via, for example, JavaFX charts and SteelSeries components. From there, reports could be produced and adjustments could be made to the robot while it continues moving around collecting temperature data. The fact that Tinkerforge has Wifi support makes a scenario such as described here completely possible to implement. And all of this can be programmed in Java, without very much work, since the Java bindings for Tinkerforge are simple to use, such as shown in yesterday's blog entry.

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• confusion in attaching detaching screen on Ubuntu

  - by Registered User

  Hi, screen -list shows There are screens on: 9531.pts-0.ubuntu (03/02/2011 12:43:34 PM) (Detached) 2101.pts-0.ubuntu (03/02/2011 12:39:17 PM) (Attached) 2219.pts-0.ubuntu (03/02/2011 11:20:56 AM) (Attached) 3 Sockets in /var/run/screen/S-bond. but when I type screen -r 2101.pts-0.ubuntu There is a screen on: 2101.pts-0.ubuntu (03/02/2011 12:39:16 PM) (Attached) There is no screen to be resumed matching 2101.pts-0.ubuntu. Here I can not get back the the screen 2101.pts-0.ubuntu and infact I get exited. Where as if I do screen -r 9531.pts-0.ubuntu [detached from 9531.pts-0.ubuntu] then above you can see I went inside that session and came out and I can do it again and again.But with other sessions same is not the case? SO what mistake am I doing?

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• How do I speed up XML parsing operation?

  - by absentx

  I currently have a php script set up to do some xml parsing. Sometimes the script is set as an on page include and other times it is accessed via an ajax call. The problem is the load time for this particular page is very long. I started to think that the php I had written to find what I need in the XML was written poorly and my script is very resource intense. After much research and testing the problem is indeed not my scripting (well perhaps you could consider it a problem with my scripting), but it looks like it takes a long time to load the particular xml sources. My code is like such: $source_recent = 'my xml feed'; $source_additional = 'the other feed I need'; $xmlstr_recent = file_get_contents($source_recent); $feed_recent = new SimpleXMLElement($xmlstr_recent); $xmlstr_additional = file_get_contents($source_additional); $feed_additional = new SimpleXMLElement($xmlstr_additional); In all my testing, the above code is what takes the time, not the additional processing I do below. Is there anyway around this or am I at the mercy of the load time of the xml URL's? One crazy thought I had to get around it is to load the xml contents into a db every so often, then just query the db for what I need. Thoughts? Ideas?

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• Cheating Incident

  - by Paul Sorensen

  Hi Everyone -I just wanted to give you a heads-up on some recent actions that we had to take regarding someone who tried to cheat on a test.Just last week, we had a candidate who was bold enough to try to take screen-shots during the exam using his cell phone. Of course this is completely against Oracle Certification Program policy. This candidate's exam was immediately stopped, and the candidate was ejected from the testing center.Of course it doesn't end there. This candidate was also suspended permanently from the Oracle Certification Program, and all of his previous certifications were revoked. He is no longer eligible to participate in the program. Unfortunately - if this candidate works for an Oracle partner company, then his company will also likely become aware of his indiscretion - particularly when they request validation of his certification.Although this particular candidate was blatantly involved in content theft, any type of cheating incident is very unfortunate. It erodes the value of the certification credentials, and hurts everyone involved. The actions described above represent our efforts to curb cheating and maintain the value of Oracle certification credentials.I encourage anyone seeking Oracle certification to carefully read and adhere to the Oracle Certification Program Fraudulent Activity Policy.Thanks,QUICK LINKSOracle Certification Program Candidate Agreement (PDF 155K)Oracle Certification Program Fraudulent Activity Policy

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• Critical Patch Update For Oracle Fusion Middleware - CPU October 2012

  - by Daniel Mortimer

  The latest Critical Patch Update (CPU) has been released for Oracle products. Start your reading hereCritical Patch Updates, Security Alerts and Third Party Bulletin  This is the home page containing links to all "Critical Patch Updates" released to date, along with sections detailing  Security Alerts  Third Party Bulletin Public Vulnerabilities Fixed Policies Reporting Security Vulnerabilities  On this page you will find the link to the Oracle Critical Patch Update Advisory - October 2012 The advisory lists the support documents that cover the patch availability for all Oracle products. From an Oracle Fusion Middleware perspective, you can cut to the chase by using the links below which take you to the appropriate sections inPatch Set Update and Critical Patch Update October 2012 Availability Document [ID 1477727.1] Oracle Fusion Middleware 11g Release 2  11.1.2.0 Oracle Fusion Middleware 11g Release 1 11.1.1.4 (Portal,Forms,Reports and Discoverer) 11.1.1.5 11.1.1.6 Oracle Application Server 10g Release 3 10.1.3.5 The #anchor links above should work in Firefox and IE provided you have already logged into My Oracle Support within the same browser session. For some reason, Chrome always takes you to the top of the document :-/ Tip: Error Correction Support for Oracle Identity Management 10g, version 10.1.4.x ended in December 2011. For this reason, there is no section which is specific to this version. However, Error Correction Support remains in place, until end of this year, for the Oracle Identity Management 10.1.4.x components Single Sign On (SSO) Delegated Administration Services (OIDDAS) provided you are using them as part of a Single Sign-On solution (OID 11g + SSO / OIDDAS 10.1.4.3) for a Portal / Forms / Reports and Discoverer 11.1.1.x architecture.    As such there are security related patches available for Fusion Middleware Single Sign On. You will find the patch numbers listed in the sections for 11.1.1.4, 11.1.1.5 and 11.1.1.6 And finally, if you are hit any unexpected errors when applying the CPU patches, check out the known issues documented in these two support documents. Critical Patch Update October 2012 Oracle Fusion Middleware Known Issues (Doc ID 1455408.1) Critical Patch Update October 2012 Database Known Issues (Doc ID 1477865.1)

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• Issue with PHP and osx 10.7 - runs via command line but not in browser

  - by jnolte

  I recently removed MAMP as I wanted to have more control over my machine and wanted to make use of PHP5.4 I installed using the script located here I cannot now not even get my default PHP that is built in to osx to work. I am running this script with a simple In a document in my ~/Sites directory. I am really at a loss as to why this will not work. I have php5 installed in my /usr/local directory via the link provided above and it seems like the main php is installed in /usr/bin Any and all insight on how to debug this would be greatly appreciated.

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• SAP Applications Certified for Oracle SPARC SuperCluster

  - by Javier Puerta

  SAP applications are now certified for use with the Oracle SPARC SuperCluster T4-4, a general-purpose engineered system designed for maximum simplicity, efficiency, reliability, and performance. "The Oracle SPARC SuperCluster is an ideal platform for consolidating SAP applications and infrastructure," says Ganesh Ramamurthy, vice president of engineering, Oracle. "Because the SPARC SuperCluster is a pre-integrated engineered system, it enables data center managers to dramatically reduce their time to production for SAP applications to a fraction of what a build-it-yourself approach requires and radically cuts operating and maintenance costs." SAP infrastructure and applications based on the SAP NetWeaver technology platform 6.4 and above and certified with Oracle Database 11g Release 2, such as the SAP ERP application and SAP NetWeaver Business Warehouse, can now be deployed using the SPARC SuperCluster T4 4. The SPARC SuperCluster T4-4 provides an optimized platform for SAP environments that can reduce configuration times by up to 75 percent, reduce operating costs up to 50 percent, can improve query performance by up to 10x, and can improve daily data loading up to 4x. The Oracle SPARC SuperCluster T4-4 is the world's fastest general purpose engineered system, delivering high performance, availability, scalability, and security to support and consolidate multi-tier enterprise applications with Web, database, and application components. The SPARC SuperCluster T4-4 combines Oracle's SPARC T4-4 servers running Oracle Solaris 11 with the database optimization of Oracle Exadata, the accelerated processing of Oracle Exalogic Elastic Cloud software, and the high throughput and availability of Oracle's Sun ZFS Storage Appliance all on a high-speed InfiniBand backplane. Part of Oracle's engineered systems family, the SPARC SuperCluster T4-4 demonstrates Oracle's unique ability to innovate and optimize at every layer of technology to simplify data center operations, drive down costs, and accelerate business innovation. For more details, refer to Our press release Datasheet: Oracle's SPARC SuperCluster T4-4 (PDF) Datasheet: Oracle's SPARC SuperCluster Now Supported by SAP (PDF) Video Podcast: Oracle's SPARC SuperCluster (MP4)

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• Autocomplete in Silverlight with Visual Studio 2010

  - by Sayre Collado

  Last week I keep searching on how to use the autocomplete in silverligth with visual studio 2010 but most of the examples that I find they are using a textbox or combobox for the autocomplete. I tried to study those examples and apply to the single autocomplete from tools on my silverlight project. And now this is the result. I will use a database again from my previous post (Silverlight Simple DataBinding in DataGrid) to show how the autocomplete works with database. This is the output: First, this is the setup for my autocomplete: //The tags for autocompletebox on XAML Second, my simple snippets: //Event for the autocomplete to send a text string to my function private void autoCompleteBox1_KeyUp(object sender, KeyEventArgs e) { autoCompleteBox1.Populating += (s, args) => { args.Cancel = true; var c = new Service1Client(); c.GetListByNameCompleted +=new EventHandler(c_GetListByNameCompleted); c.GetListByNameAsync(autoCompleteBox1.Text); }; } //Getting result from database void c_GetListByNameCompleted(object sender, GetListByNameCompletedEventArgs e) { autoCompleteBox1.ItemsSource = e.Result; autoCompleteBox1.PopulateComplete(); } The snippets above will show on how to use the autocompleteBox using the data from database that bind in DataGrid. But what if we want to show the result on DataGrid while the autocomplete changing the items source? Ok just add one line to c_GetListByNameCompleted void c_GetListByNameCompleted(object sender, GetListByNameCompletedEventArgs e) { autoCompleteBox1.ItemsSource = e.Result; autoCompleteBox1.PopulateComplete(); dataGrid1.ItemsSource = e.Result; }

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• Regarding sprite design and resolution for tablets and phones

  - by Dimitris P.

  I am about to start working on a game for android devices, in my spare time, to get familiar with android development. I'm more interested in using the best practices possible than getting a quick result, and that is why I need some guidance regarding graphics. I think the game is going to be fully sprite based. Everything is going to be in .bmp form, or something similar, and my question is: Should I design the sprites in a small resolution (ie for phone screens) and scale them up to fit into larger screens (tablet screens), should I do it vice-versa or should I consider a completely different approach? Would designing a different set of sprites for each of the most used resolution settings be worth it or are there simpler solutions to the problem with fewer drawbacks than the ones I mentioned above? (If I follow the first approach, for example, the larger the screen the worse the graphics will get, since every pixel of the original drawing will cover several pixels on the screen). Is there a standard approach for dealing with this kind of problems? If you need me to be more detailed or more clear about something I mentioned (or forgot to) please don't hesitate to ask. Also, excuse me for any inaccurate use of the English language. Thank you in advance for your input.

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