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• No updates in my Raring

  - by zatloukal-frantisek

  Since upgrade from Quantal to raring i am not recieving any updates. For example firefox package - I have version 17 installed and apt-get update && apt-get upgrade does not find updates. And output from show-versions: fanys@fanys-netbook:~$ apt-show-versions firefox firefox 17.0+build2-0ubuntu0.12.10.1 newer than version in archive fanys@fanys-netbook:~$ apt-show-versions unity unity/raring uptodate 6.12.0-0ubuntu1 I tried to remove contents of /var/lib/apt/lists/ and redo package refresh(apt-get update). But still same issue. /etc/apt/sources.list contents: # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://cz.archive.ubuntu.com/ubuntu/ raring main restricted deb-src http://cz.archive.ubuntu.com/ubuntu/ raring main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://cz.archive.ubuntu.com/ubuntu/ raring-updates main restricted deb-src http://cz.archive.ubuntu.com/ubuntu/ raring-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://cz.archive.ubuntu.com/ubuntu/ raring universe deb-src http://cz.archive.ubuntu.com/ubuntu/ raring universe deb http://cz.archive.ubuntu.com/ubuntu/ raring-updates universe deb-src http://cz.archive.ubuntu.com/ubuntu/ raring-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://cz.archive.ubuntu.com/ubuntu/ raring multiverse deb-src http://cz.archive.ubuntu.com/ubuntu/ raring multiverse deb http://cz.archive.ubuntu.com/ubuntu/ raring-updates multiverse deb-src http://cz.archive.ubuntu.com/ubuntu/ raring-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://security.ubuntu.com/ubuntu raring-security main restricted deb-src http://security.ubuntu.com/ubuntu raring-security main restricted deb http://security.ubuntu.com/ubuntu raring-security universe deb-src http://security.ubuntu.com/ubuntu raring-security universe deb http://security.ubuntu.com/ubuntu raring-security multiverse deb-src http://security.ubuntu.com/ubuntu raring-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. deb http://archive.canonical.com/ubuntu raring partner deb-src http://archive.canonical.com/ubuntu raring partner ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. deb http://extras.ubuntu.com/ubuntu raring main deb-src http://extras.ubuntu.com/ubuntu raring main deb http://cz.archive.ubuntu.com/ubuntu/ raring-proposed main universe restricted multiverse deb http://cz.archive.ubuntu.com/ubuntu/ raring-backports main universe restricted multiverse I have no updates for 4 days of dist-upgrade. There is one package kept in actual version: libexttextcat-data Thanks in advance

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• Microsoft Patches Bugs, Improves Visual Studio 2012

  First, let's talk about the bug patches. Programs getting fixes include Windows, Internet Explorer, Office, the .NET Framework, Microsoft Dynamics AX and Microsoft Visual Basic. You can read the full security advisory. Out of the seven bulletins containing the fixes, three were deemed critical, which means a hacker could exploit an unpatched system by remotely executing malicious code. The remaining four were dubbed important; if exploited, they could give an attacker elevated privileges. Multiple versions of the Windows operating system and Internet Explorer should receive these patches....

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• 11 ADF Mobile Apps in 30 Hours

  - by Shay Shmeltzer

  The Oracle ADF Mobile team took part in a special "hackathon" this weekend, where 11 teams of new college hires who joined Oracle lately spent 30 hours building enterprise mobile applications leveraging ADF Mobile. One important thing to note - none of the participants worked with Oracle ADF Mobile before! In fact 90% of them didn't develop with ADF previously. All they had is a 2 hour training session before the event - and that's all they needed. From that point on they were able to build great cross device mobile applications. So what did they build? Here are some examples: A mileage expense tracking system: An ad campaign analysis system An expense report entry system Bug tracking system with data analysis: Carpooling social system: College Hiring system with CV scanning: Shipment management system for Farmers: Project time entry system: For sale post-it system (with item location): Conference event experience system with conference map and twitter feed integration: It was great to see how fast developers were able to learn and leverage ADF Mobile - and how creative the teams were. Here they are in action: So how about you? What would you build next? What would be your first ADF Mobile application? Start today!

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• How to Secure a Data Role by Multiple Business Units

  - by Elie Wazen

  In this post we will see how a Role can be data secured by multiple Business Units (BUs).  Separate Data Roles are generally created for each BU if a corresponding data template generates roles on the basis of the BU dimension. The advantage of creating a policy with a rule that includes multiple BUs is that while mapping these roles in HCM Role Provisioning Rules, fewer number of entires need to be made. This could facilitate maintenance for enterprises with a large number of Business Units. Note: The example below applies as well if the securing entity is Inventory Organization. Let us take for example the case of a user provisioned with the "Accounts Payable Manager - Vision Operations" Data Role in Fusion Applications. This user will be able to access Invoices in Vision Operations but will not be able to see Invoices in Vision Germany. Figure 1. A User with a Data Role restricting them to Data from BU: Vision Operations With the role granted above, this is what the user will see when they attempt to select Business Units while searching for AP Invoices. Figure 2.The List Of Values of Business Units is limited to single one. This is the effect of the Data Role granted to that user as can be seen in Figure 1 In order to create a data role that secures by multiple BUs,  we need to start by creating a condition that groups those Business Units we want to include in that data role. This is accomplished by creating a new condition against the BU View .  That Condition will later be used to create a data policy for our newly created Role.  The BU View is a Database resource and  is accessed from APM as seen in the search below Figure 3.Viewing a Database Resource in APM The next step is create a new condition,  in which we define a sql predicate that includes 2 BUs ( The ids below refer to Vision Operations and Vision Germany).  At this point we have simply created a standalone condition.  We have not used this condition yet, and security is therefore not affected. Figure 4. Custom Role that inherits the Purchase Order Overview Duty We are now ready to create our Data Policy.  in APM, we search for our newly Created Role and Navigate to “Find Global Policies”.  we query the Role we want to secure and navigate to view its global policies. Figure 5. The Job Role we plan on securing We can see that the role was not defined with a Data Policy . So will create one that uses the condition we created earlier.   Figure 6. Creating a New Data Policy In the General Information tab, we have to specify the DB Resource that the Security Policy applies to:  In our case this is the BU View Figure 7. Data Policy Definition - Selection of the DB Resource we will secure by In the Rules Tab, we  make the rule applicable to multiple values of the DB Resource we selected in the previous tab.  This is where we associate the condition we created against the BU view to this data policy by entering the Condition name in the Condition field Figure 8. Data Policy Rule The last step of Defining the Data Policy, consists of  explicitly selecting  the Actions that are goverened by this Data Policy.  In this case for example we select the Actions displayed below in the right pane. Once the record is saved , we are ready to use our newly secured Data Role. Figure 9. Data Policy Actions We can now see a new Data Policy associated with our Role.  Figure 10. Role is now secured by a Data Policy We now Assign that new Role to the User.  Of course this does not have to be done in OIM and can be done using a Provisioning Rule in HCM. Figure 11. Role assigned to the User who previously was granted the Vision Ops secured role. Once that user accesses the Invoices Workarea this is what they see: In the image below the LOV of Business Unit returns the two values defined in our data policy namely: Vision Operations and Vision Germany Figure 12. The List Of Values of Business Units now includes the two we included in our data policy. This is the effect of the data role granted to that user as can be seen in Figure 11

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• Save Web Content Directly to Google Drive in Chrome [Extension]

  - by Asian Angel

  Are you looking for a quick and easy way to save images, documents, and more directly to Google Drive while browsing? Then you may want to grab a copy of the ‘Save to Google Drive’ extension for Chrome. Once you have installed the extension it is very easy to start saving all that wonderful web content to your Google Drive account via the Context Menu or the Toolbar Button as seen in the screenshot above. One thing to keep in mind is that the first time you use the extension you will be asked for permission to access your account as seen in the screenshot below. Here is a quick look at the options currently available for the extension… Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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• I have Ubuntu Server 11.10 64-bit . Updates were working but now fails every time after apt-get update

  - by jason pate

  This is what I get when I try to run apt-get update Err http: //security.ubuntu.com oneiric-security InRelease Err http: //us.archive.ubuntu.com oneiric InRelease Err http: //security.ubuntu.com oneiric-security Release.gpg Temporary failure resolving 'security.ubuntu.com' Err http: //us.archive.ubuntu.com oneiric-updates InRelease Err http: //us.archive.ubuntu.com oneiric Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' Err http: //us.archive.ubuntu.com oneiric-updates Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' Reading package lists... Done W: Failed to fetch http: //us.archive.ubuntu.com/ubuntu/dists/oneiric/InRelease W: Failed to fetch http: //us.archive.ubuntu.com/ubuntu/dists/oneiric-updates/InRelease W: Failed to fetch http: //security.ubuntu.com/ubuntu/dists/oneiric-security/InRelease W: Failed to fetch http: //security.ubuntu.com/ubuntu/dists/oneiric-security/Release.gpg Temporary failure resolving 'security.ubuntu.com' W: Failed to fetch http: //us.archive.ubuntu.com/ubuntu/dists/oneiric/Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' W: Failed to fetch http: //us.archive.ubuntu.com/ubuntu/dists/oneiric-updates/Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' W: Some index files failed to download. They have been ignored, or old ones used instead.

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• Is there a way to use scala with html5?

  - by Maik Klein

  I want to create a very simple 2d multiplayer browsergame in html5. Something like Scalatron I mainly want to do this to improve my scala skills, the problem is I would have to code the clientside code in javascript and the serverside code in scala. This would result in duplicated code. Another option would be to ignore the html5 part and write it in opengl. But I would still prefer to have a html5 game. I could do this is in javascript, but then it would destroy the whole purpose of learning scala. Is there a way to use scala with html5? Or what would you recommend me to do?

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• Getting Internet Explorer to Open Different Sets of Tabs Based on the Day of the Week

  - by Akemi Iwaya

  If you have to use Internet Explorer for work and need to open a different set of work-specific tabs every day, is there a quick and easy way to do it instead of opening each one individually? 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 bobSmith1432 is looking for a quick and easy way to open different daily sets of tabs in Internet Explorer for his work: When I open Internet Explorer on different days of the week, I want different tabs to be opened automatically. I have to run different reports for work each day of the week and it takes a lot of time to open the 5-10 tabs I use to run the reports. It would be a lot faster if, when I open Internet Explorer, the tabs I needed would automatically load and be ready. Is there a way to open 5-10 different tabs in Internet Explorer depending on the day of the week? Example: Monday – 6 Accounting Pages Tuesday – 7 Billing Pages Wednesday – 5 HR Pages Thursday – 10 Schedule Pages Friday – 8 Work Summary/Order Pages Is there an easier way for Bob to get all those tabs to load and be ready to go each day instead of opening them individually every time? The Answer SuperUser contributor Julian Knight has a simple, non-script solution for us: Rather than trying the brute force method, how about a work around? Open up each set of tabs either in different windows, or one set at a time, and save all tabs to bookmark folders. Put the folders on the bookmark toolbar for ease of access. Each day, right-click on the appropriate folder and click on ‘Open in tab group’ to open all the tabs. You could put all the day folders into a top-level folder to save space if you want, but at the expense of an extra click to get to them. If you really must go further, you need to write a program or script to drive Internet Explorer. The easiest way is probably writing a PowerShell script. Special Note: There are various scripts shared on the discussion page as well, so the solution shown above is just one possibility out of many. If you love the idea of using scripts for a function like this, then make sure to browse on over to the discussion page to see the various ones SuperUser members have shared! Have something to add to the explanation? Sound off in 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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• What is the best way to learn how to develop secure applications

  - by Kenneth

  I would like to get into computer security in my career. What are the best ways to learn how to program securely? It seems to me that besides textbooks and taking classes in the subject that perhaps learning how to "hack" would be one of the best ways to learn. My reason for thinking this is the thought that the best way to learn how to prevent someone from doing what you don't want them to is to learn what they're capable of doing. If this is the case, then this poses another question: How would you go about learning to hack in an ethical manner? I definitely don't want to break laws or cause harm in my quest. Thanks for the input!

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• How to efficiently preserve a really big navigation history in Firefox?

  - by brandizzi

  When I was using Mac, my Firefox stored items in its history for really long times. Sometimes I needed to find a link to a site I have seen two years ago and it found it! Also, the autocomplete in the Firefox bar is really great, so a long history and the autocompleting yield a wonderful feature to me. Unfortunately, it seems this does not happen in Ubuntu's Firefox. I looked for solutions but I just got some Firefox developers saying the option of expanding history is out for performance issues and one is well advised to not try to change it (which read to me as saying "we cannot make it work well so we limit the scope"). Anyway, my question is: is there a way of efficiently expand the size of Firefox history? Sorry for my bitterness, but a solution with strings attached (mostly say that I should not do it, like this addon) is not solution for me. Does someone have the same need of mine and found a solution?

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• Javascript: Safely upload a client data file

  - by Jeffrey Sweeney

  I'm (still) working on a template-based XML editing program. It's a GUI-based XML editor that only allows users to add certain tags and attributes based off the requirements. You can see the current version here for an idea. Now, I'd like to allow users to upload their own data templates, but I'm concerned about potential XSS hacks. Currently, the template file is in Javascript object literal notation, which unsurprisingly is a security nightmare if the user can upload their own. I was thinking of using XML instead, but is there an even better alternative?

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• How would it be if browsers natively *hosted* JavaScript frameworks? [closed]

  - by João Ramos

  More than 20 million websites nowadays are running jQuery and more than 1/5 of the top million websites are also doing so. What if we, as designers and developers, could take advantage of locally cached JavaScript libraries like jQuery, Prototype, script.aculo.us, etc? Wouldn't it be great if we could provide users with faster websites and experiences? EDIT: My apologies, I ment to ask how hould it be if browsers hosted JavaScript frameworks, not support them. Actually, there's no sense in my previous question. Sorry for that.

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• IE6 Support - When to drop it? [closed]

  - by Scott Brown

  Possible Duplicate: Should I bother supporting IE6? I'm thinking about IE6 support and when to give up on it. Do you have a percentage of total visitors figure in mind for when to drop support? Would you let a trend develop past this figure or are you just going take the first opportunity? I've seen a 44% drop in IE6 visitors in the past 12 months from 23%(ish) of visitors down to 13%(ish). Even if it was 5% it still seems too early to drop support to me (it's still 1 in every 20 users). What are people's thoughts on this?

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• Is SimplePHPBlog a secure blogging engine?

  - by authentictech

  Has anyone used the blog engine SimplePHPBlog? It is a simple blog engine that uses only text files (no database). My problem with it is that the content directory where the texts files are stored appears to require being world writeable/readable (i.e. permission 777) for it to work. This means anyone can access the text files with a browser! These text files include the blog/comment poster's IP and email address! This is not secure or good practice, right?

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• Any multiplayer webgame engine based on Flex

  - by Hongyu Ouyang

  My team is developing a multiplayer webgame (like a virtual world) in a short time(several months using after-school time), and I wonder if there are any webgame engine based on Flex. When I googled it I got many results related to HTML5, but I doubted if it is suitable for quick development. Do anyone have the experience of developing a webgame using A good engine? Are there any engine recommended? I prefer actionscript and flex to a javascript or HTML5 solution.

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• Hello, can you just send me all your data please?

  - by fatherjack

  LiveJournal Tags: Security,SQL Server Our house phone rang on Saturday night and Mrs Fatherjack answered. I was in the other room but I heard her trying to explain to the caller that they were in some way mistaken. Eventually, as she got more irate with the caller, I went out and started to catch up with the events so far. The caller was trying to convince my wife that our computer was infected with a virus. She was confident that it wasn't. Her patience expired after almost 10 minutes...(read more)

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• Google Chrome not rendering webpages correctly

  - by sumit_gt

  I am facing some serious web page rendering issues with Chrome. It is more prominent during javascript based animations and stuff on websites like youtube. I have tried removing chrome using (sudo apt-get purge google-chrome-stable) and then reinstalling it. But the problems still persist. The same webpages work correctly on firefox on ubuntu and chrome on windows. The problem only shows up when I use chrome on ubuntu. I think the issue has started after I updated to the latest version of Chrome. I have used Chrome previously on this machine without any problems. I have attached a image that demonstrates the issue. What could possibly be the problem? PS: here's the output of lshw -c video: *-display description: VGA compatible controller product: Madison [Radeon HD 5000M Series] vendor: Hynix Semiconductor (Hyundai Electronics) physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=fglrx_pci latency=0 resources: irq:46 memory:e0000000-efffffff memory:f0020000-f003ffff ioport:d000(size=256) memory:f0000000-f001ffff Here's the output of lspci -nn: output of lspci -nn

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• How do I do Collisions in my JavaScript Game Code Below?

  - by Henry

  I'm trying to figure out how would I add collision detection to my code so that when the "Man" character touches the "RedHouse" the RedHouse disappears? Thanks. By the way, I'm new to how things are done on this site, so thus, if there is anything else needed or so, let me know. <title>HMan</title> <body style="background:#808080;"> <br> <canvas id="canvasBg" width="800px" height="500px"style="display:block;background:#ffffff;margin:100px auto 0px;"></canvas> <canvas id="canvasRedHouse" width="800px" height="500px" style="display:block;margin:-500px auto 0px;"></canvas> <canvas id="canvasEnemy" width="800px" height="500px" style="display:block;margin:-500px auto 0px;"></canvas> <canvas id="canvasEnemy2" width="800px" height="500px" style="display:block;margin:-500px auto 0px;"></canvas> <canvas id="canvasMan" width="800px" height="500px" style="display:block;margin:-500px auto 0px;"></canvas> <script> var isPlaying = false; var requestAnimframe = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame || window.oRequestAnimationFrame; var canvasBg = document.getElementById('canvasBg'); var ctxBg = canvasBg.getContext('2d'); var canvasRedHouse = document.getElementById('canvasRedHouse'); var ctxRedHouse = canvasRedHouse.getContext('2d'); var House1; House1 = new RedHouse(); var canvasMan = document.getElementById('canvasMan'); var ctxMan = canvasMan.getContext('2d'); var Man1; Man1 = new Man(); var imgSprite = new Image(); imgSprite.src = 'SpritesI.png'; imgSprite.addEventListener('load',init,false); function init() { drawBg(); startLoop(); document.addEventListener('keydown',checkKeyDown,false); document.addEventListener('keyup',checkKeyUp,false); } function drawBg() { var SpriteSourceX = 0; var SpriteSourceY = 0; var drawManOnScreenX = 0; var drawManOnScreenY = 0; ctxBg.drawImage(imgSprite,SpriteSourceX,SpriteSourceY,800,500,drawManOnScreenX, drawManOnScreenY,800,500); } function clearctxBg() { ctxBg.clearRect(0,0,800,500); } function Man() { this.SpriteSourceX = 10; this.SpriteSourceY = 540; this.width = 40; this.height = 115; this.DrawManOnScreenX = 100; this.DrawManOnScreenY = 260; this.speed = 10; this.actualFrame = 1; this.speed = 2; this.isUpKey = false; this.isRightKey = false; this.isDownKey = false; this.isLeftKey = false; } Man.prototype.draw = function () { clearCtxMan(); this.updateCoors(); this.checkDirection(); ctxMan.drawImage(imgSprite,this.SpriteSourceX,this.SpriteSourceY+this.height* this.actualFrame, this.width,this.height,this.DrawManOnScreenX,this.DrawManOnScreenY, this.width,this.height); } Man.prototype.updateCoors = function(){ this.leftX = this.DrawManOnScreenX; this.rightX = this.DrawManOnScreenX + this.width; this.topY = this.DrawManOnScreenY; this.bottomY = this.DrawManOnScreenY + this.height; } Man.prototype.checkDirection = function () { if (this.isUpKey && this.topY > 240) { this.DrawManOnScreenY -= this.speed; } if (this.isRightKey && this.rightX < 800) { this.DrawManOnScreenX += this.speed; } if (this.isDownKey && this.bottomY < 500) { this.DrawManOnScreenY += this.speed; } if (this.isLeftKey && this.leftX > 0) { this.DrawManOnScreenX -= this.speed; } if (this.isRightKey && this.rightX < 800) { if (this.actualFrame > 0) { this.actualFrame = 0; } else { this.actualFrame++; } } if (this.isLeftKey) { if (this.actualFrame > 2) { this.actualFrame = 2; } function checkKeyDown(var keyID = e.keyCode || e.which; if (keyID === 38) { Man1.isUpKey = true; e.preventDefault(); } if (keyID === 39 ) { Man1.isRightKey = true; e.preventDefault(); } if (keyID === 40 ) { Man1.isDownKey = true; e.preventDefault(); } if (keyID === 37 ) { Man1.isLeftKey = true; e.preventDefault(); } } function checkKeyUp(e) { var keyID = e.keyCode || e.which; if (keyID === 38 || keyID === 87) { Man1.isUpKey = false; e.preventDefault(); } if (keyID === 39 || keyID === 68) { Man1.isRightKey = false; e.preventDefault(); } if (keyID === 40 || keyID === 83) { Man1.isDownKey = false; e.preventDefault(); } if (keyID === 37 || keyID === 65) { Man1.isLeftKey = false; e.preventDefault(); } } function clearCtxMan() { ctxMan.clearRect(0,0,800,500); } function RedHouse() { this.srcX = 135; this.srcY = 525; this.width = 265; this.height = 245; this.drawX = 480; this.drawY = 85; } RedHouse.prototype.draw = function () { clearCtxRedHouse(); ctxRedHouse.drawImage(imgSprite,this.srcX,this.srcY, this.width,this.height,this.drawX,this.drawY,this.width,this.height); }; function clearCtxRedHouse() { ctxRedHouse.clearRect(0,0,800,500); } function loop() { if (isPlaying === true){ Man1.draw(); House1.draw(); requestAnimframe(loop); } } function startLoop(){ isPlaying = true; loop(); } function stopLoop(){ isPlaying = false; } </script> <style> .top{ position: absolute; top: 4px; left: 10px; color:black; } .top2{ position: absolute; top: 60px; left: 10px; color:black; } </style> <div class="top"> <p><font face="arial" color="black" size="4"><b>HGame</b><font/><p/> <p><font face="arial" color="black" size="3"> My Game Here <font/><p/> </div> <div class="top2"> <p><font face="arial" color="black" size="3"> It will start now <font/><p/> </div>

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• How can I allow robots access to my sitemap, but prevent casual users from accessing it?

  - by morpheous

  I am storing my sitemaps in my web folder. I want web crawlers (Googlebot etc) to be able to access the file, but I dont necessarily want all and sundry to have access to it. For example, this site (superuser.com), has a site index - as specified by its robots.txt file (http://superuser.com/robots.txt). However, when you type http://superuser.com/sitemap.xml, you are directed to a 404 page. How can I implement the same thing on my website? I am running a LAMP website, also I am using a sitemap index file (so I have multiple site maps for the site). I would like to use the same mechanism to make them unavailable via a browser, as described above.

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• Why not expose a primary key

  - by Angelo Neuschitzer

  In my education I have been told that it is a flawed idea to expose actual primary keys (not only DB keys, but all primary accessors) to the user. I always thought it to be a security problem (because an attacker could attempt to read stuff not their own). Now I have to check if the user is allowed to access anyway, so is there a different reason behind it? Also, as my users have to access the data anyway I will need to have a public key for the outside world somewhere in between. Now that public key has the same problems as the primary key, doesn't it?

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• Suggest-a-Session for Oracle Develop 2010: Last chance to get your paper submitted.

  - by olaf.heimburger

  While working with Oracle Technologies at customer projects we all come across solutions and ideas that are worth to share with a greater audience. When you missed the Call For Paper for Oracle OpenWorld and Oracle Develop you have the chance to get in. The Oracle Mix Community provides a tool called Suggest-a-Session for submitting and voting the sessions you would like to attend. My Suggestions When you pass by, do not forget to vote for my sessions. These are: Real-World Single Sign-On and ADF Security The Personal Newsletter Generator: Implement Cool Applications with ADF Faces Thank you for your support.

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• Warning about SSL ceritificate, am I under attack ?

  - by Bunny Rabbit

  Lately I've been getting a lot of warnings about SSL certifications on my pc, Empathy keeps telling me that Facebook's certificate is self-signed and can't be trusted, and also, there are occasional warnings in Google-Chrome about security. I remember the last one saying that that the page is secured but some of the resources that the page is using are not from a secure connection, something like that. Is my pc hacked / under attack? How can I check that, and if so, how can I safeguard myself? PS: One thing that comes to my mind is that I might be under an arp poisoning / spoofing attack.

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• How to implement a safe password history

  - by Lorenzo

  Passwords shouldn't be stored in plain text for obvious security reasons: you have to store hashes, and you should also generate the hash carefully to avoid rainbow table attacks. However, usually you have the requirement to store the last n passwords and to enforce minimal complexity and minimal change between the different passwords (to prevent the user from using a sequence like Password_1, Password_2, ..., Password_n). This would be trivial with plain text passwords, but how can you do that by storing only hashes? In other words: how it is possible to implement a safe password history mechanism?

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• Tor and Google Analytics - how to track?

  - by Jeremy French

  I make a lot of use of Google Analytics - Google has reasonable tracking for location of users so I can tell where users come from. I know it is not 100% but it gives an idea. In the wake of Prism it is possible that more people will make use of networks such as tor for anonymous browsing. I have no problem with this, people can wear tin foil hats while browsing my site for all I care, but it will lead to more erroneous stats. Is there any way to flag traffic as coming from TOR, so I can filter location reports not to include it, and to get an idea of the percentage of traffic which does use it? Has anyone actually tried this?

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• SQL SERVER – ?Finding Out What Changed in a Deleted Database – Notes from the Field #041

  - by Pinal Dave

  [Note from Pinal]: This is a 41th episode of Notes from the Field series. The real world is full of challenges. When we are reading theory or book, we sometimes do not realize how real world reacts works and that is why we have the series notes from the field, which is extremely popular with developers and DBA. Let us talk about interesting problem of how to figure out what has changed in the DELETED database. Well, you think I am just throwing the words but in reality this kind of problems are making our DBA’s life interesting and in this blog post we have amazing story from Brian Kelley about the same subject. In this episode of the Notes from the Field series database expert Brian Kelley explains a how to find out what has changed in deleted database. Read the experience of Brian in his own words. Sometimes, one of the hardest questions to answer is, “What changed?” A similar question is, “Did anything change other than what we expected to change?” The First Place to Check – Schema Changes History Report: Pinal has recently written on the Schema Changes History report and its requirement for the Default Trace to be enabled. This is always the first place I look when I am trying to answer these questions. There are a couple of obvious limitations with the Schema Changes History report. First, while it reports what changed, when it changed, and who changed it, other than the base DDL operation (CREATE, ALTER, DELETE), it does not present what the changes actually were. This is not something covered by the default trace. Second, the default trace has a fixed size. When it hits that size, the changes begin to overwrite. As a result, if you wait too long, especially on a busy database server, you may find your changes rolled off. But the Database Has Been Deleted! Pinal cited another issue, and that’s the inability to run the Schema Changes History report if the database has been dropped. Thankfully, all is not lost. One thing to remember is that the Schema Changes History report is ultimately driven by the Default Trace. As you may have guess, it’s a trace, like any other database trace. And the Default Trace does write to disk. The trace files are written to the defined LOG directory for that SQL Server instance and have a prefix of log_: Therefore, you can read the trace files like any other. Tip: Copy the files to a working directory. Otherwise, you may occasionally receive a file in use error. With the Default Trace files, if you ask the question early enough, you can see the information for a deleted database just the same as any other database. Testing with a Deleted Database: Here’s a short script that will create a database, create a schema, create an object, and then drop the database. Without the database, you can’t do a standard Schema Changes History report. CREATE DATABASE DeleteMe; GO USE DeleteMe; GO CREATE SCHEMA Test AUTHORIZATION dbo; GO CREATE TABLE Test.Foo (FooID INT); GO USE MASTER; GO DROP DATABASE DeleteMe; GO This sets up the perfect situation where we can’t retrieve the information using the Schema Changes History report but where it’s still available. Finding the Information: I’ve sorted the columns so I can see the Event Subclass, the Start Time, the Database Name, the Object Name, and the Object Type at the front, but otherwise, I’m just looking at the trace files using SQL Profiler. As you can see, the information is definitely there: Therefore, even in the case of a dropped/deleted database, you can still determine who did what and when. You can even determine who dropped the database (loginame is captured). The key is to get the default trace files in a timely manner in order to extract the information. If you want to get started with performance tuning and database security with the help of experts, read more over at Fix Your SQL Server. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: Notes from the Field, PostADay, SQL, SQL Authority, SQL Query, SQL Security, SQL Server, SQL Tips and Tricks, T SQL

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