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  • Welcome to the Oracle FedApps blog

    - by jeffrey.waterman
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Congratulations, you have stumbled upon Oracle’s newest blog: The Federal Applications Blog. Periodically I plan to provide some insight into how Oracle’s application solutions are being applied, or how they can be applied, within the Federal Government. If you are a user of, or just interested in, Oracle’s applications in the Federal space and have questions/topics you would like to see addressed in this blog, please post a comment. So bear with me as I take a bit of time to refine the content, look and feel of this blog. http://www.oracle.com/us/industries/public-sector/038044.htm http://www.oracle.com/us/industries/public-sector/038046.htm -- JMW

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  • Linux to Solaris @ Morgan Stanley

    - by mgerdts
    I came across this blog entry and the accompanying presentation by Robert Milkoski about his experience switching from Linux to Oracle Solaris 11 for a distributed OpenAFS file serving environment at Morgan Stanley. If you are an IT manager, the presentation will show you: Running Solaris with a support contract can cost less than running Linux (even without a support contract) because of technical advantages of Solaris. IT departments can benefit from hiring computer scientists into Systems Programmer or similar roles.  Their computer science background should be nurtured so that they can continue to deliver value (savings and opportunity) to the business as technology advances. If you are a sysadmin, developer, or somewhere in between, the presentation will show you: A presentation that explains your technical analysis can be very influential. Learning and using the non-default options of an OS can make all the difference as to whether one OS is better suited than another.  For example, see the graphs on slides 3 - 5.  The ZFS default is to not use compression. When trying to convince those that hold the purse strings that your technical direction should be taken, the financial impact can be the part that closes the deal.  See slides 6, 9, and 10.  Sometimes reducing rack space requirements can be the biggest impact because it may stave off or completely eliminate the need for facilities growth. DTrace can be used to shine light on performance problems that may be suspected but not diagnosed.  It is quite likely that these problems have existed in OpenAFS for a decade or more.  DTrace made diagnosis possible. DTrace can be used to create performance analysis tools without modifying the source of software that is under analysis.  See slides 29 - 32. Microstate accounting, visible in the prstat output on slide 37 can be used to quickly draw focus to problem areas that affect CPU saturation.  Note that prstat without -m gives a time-decayed moving average that is not nearly as useful. Instruction level probes (slides 33 - 34) are a super-easy way to identify which part of a function is hot.

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  • Rendering large and high poly meshes

    - by Aurus
    Consider an huge terrain that has a lot polygons, to render this terrain I thought of following techniques: Using height-map instead of raw meshes: Yes, but I want to create a lot of caves and stuff that simply wont work with height-maps. Using voxels: Yes, but I think that this would be to much since I don't even want to support changing terrain.. Split into multiple chunks and do some sort of LOD with the mesh: Yes, but how would I do that? Tessellation usually creates more detail not less. Precompute the same mesh in lower poly version (like Mudbox does) and depending on the distance it renders one of these meshes: Graphic memory is limited and uploading only the chunks won't solve that problem since the traffic would be too high. IMO the last one sounds really good, but imagine the following process: Upload and render the chunks depending on the current player position. [No problem] Player will walk straight forward Now we maybe have to change on of the low poly chunk with the high poly one So, Remove the low poly chunk and load the high poly chunk [Already to much traffic here, I think] I am not very experienced in graphic programming and maybe the upper process is totally okay but somehow I think it is too much. And how about the disk space it would require.. I think 3 kind of levels would be fine but isn't that also too much? (I am using OpenGL but I don't think that this is important)

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  • How To Change Window Transparency in Windows 7 with a Hotkey

    - by YatriTrivedi
    Linux has a lot of eye-candy because of Compiz, my favorite of which is the window opacity plugin. Using a short AutoHotKey script, you can add that same functionality to Windows 7. I used this AHK script as a basis for changing opacity. It uses a single hotkey to change the active window’s transparency by 25% each time until it resets to 0. I wanted functionality similar to Compiz, so I modified the script to use the mouse wheel and shortened the increments to get more variety. Just hold down the Windows key and scroll down to see through the window. This decreases opacity and makes windows more transparent. Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Hack Apart a Highlighter to Create UV-Reactive Flowers [Science] Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron Is the Forcefield Really On or Not? [Star Wars Parody Video] Google Updates Picasa Web Albums; Emphasis on Sharing and Showcasing Uwall.tv Turns YouTube into a Video Jukebox Early Morning Sunrise at the Beach Wallpaper

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  • Picasa installs but is missing in the menu

    - by Swapnil Narendra
    Acer Aspire One Netbook Running Ubuntu Netbook Remix 10.10 (freshly installed) 1 GB Ram 150 GM HDD Space I am trying to install Picasa and when I do, it runs its course telling me that it has been installed. But when I try to look for Picasa to run it, it didnt show in the menu anywhere. I am unable to find Picasa on my system and it says that it has been installed already when I try to reinstall it. I have tried a few things; looked for the key: wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - .. and then added it. tried the following commands after adding Picasa to my source list: sudo apt-get upgrade sudo apt-get install picasa and here is what I got: swapnil@iva-swapo-netbook:~$ sudo apt-get install picasa Reading package lists... Done Building dependency tree Reading state information... Done picasa is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. and when I tried to look for Picasa again.. I couldnt find it. So I am unable to install Picasa on my system. Please help. (I am also running this thread on ubuntu forums and havent got the solution yet so I am now here) tried Jorge's solution and it brought Picasa immediately, however I am unable to keep it in the launcher. There is no such option. All I can see is only 2 options: 1. Wine 2. Quit Still need help to keep it in the menu/launcher !

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  • WebLogic and Java EE Roadmap and Strategy Session at OOW

    - by Ruma Sanyal
    If you are developing, managing or planning enterprise Java and business application deployments on Oracle WebLogic Server with Coherence or continue to have deployments of Oracle Application Server, then this session will give you the roadmap of how Oracle is evolving this infrastructure to be the next generation cloud application foundation for its customers. Mike Lehmann (aka Mr. WebLogic :), Senior Director of Product Management, will share Oracle's vision, product plans and roadmap for this server infrastructure and how it will be used in the rapidly maturing cloud infrastructure space. Attend this to help you make key decisions about running your enterprise applications on Oracle's enterprise Java server foundation. For more information about this and other WebLogic sessions, review the WebLogic Focus on document.  What you will learn? Learn the benefits of using WebLogic Server and Coherence in the cloud. Learn how Java EE 7 is going to change cloud development and deployment     Understand how to address large-scale infrastructures with WebLogic Server and Coherence     Details: Monday, 10/1; 1.45-2.45pm; Moscone West Room 2011  

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  • Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET

    - by Eric Z Goodnight
    Brightness and Contrast tools are for beginners! Ever wondered what graphics programs offer advanced users to ensure their photographs have a great value range? Read on to learn about Levels, Curves, and Histograms in three major programs. Curves and Levels are not as intuitive as the more basic Brightness and Contrast sliders Photoshop, GIMP, and Paint.NET all share. However, they offer a great deal more control over images that professionals and skilled image editors will demand. Combine these tools with a knowledge of how basic histograms work, and you’ll be well on your way to editing contrast like a pro! Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron Is the Forcefield Really On or Not? [Star Wars Parody Video] Google Updates Picasa Web Albums; Emphasis on Sharing and Showcasing Uwall.tv Turns YouTube into a Video Jukebox Early Morning Sunrise at the Beach Wallpaper Data Networks Visualized via Light Paintings [Video]

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  • What You Said: Malware Fighting Tips and Tricks

    - by Jason Fitzpatrick
    Earlier this week we asked you to share your favorite malware fighting tricks. Now we’re back to highlight some of the tips and tricks you shared. Our Ask the Readers series gives our awesome and technologically literate readers a chance to show off their know-how. Today we’re rounding up some of the tips and tricks from Wednesday’s Ask the Reader post What Are Your Best Malware Fighting Tricks and highlighting them here. Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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  • "Size mismatch" apt error when installing openJDK

    - by siddanth
    when i try install openjdk-7-jre-headless i am getting the following error: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: ca-certificates-java icedtea-7-jre-jamvm java-common libcups2 libjpeg62 liblcms2-2 libnspr4 libnss3 libnss3-1d openjdk-7-jre-lib tzdata tzdata-java Suggested packages: default-jre equivs cups-common liblcms2-utils libnss-mdns sun-java6-fonts ttf-dejavu-extra ttf-baekmuk ttf-unfonts ttf-unfonts-core ttf-sazanami-gothic ttf-kochi-gothic ttf-sazanami-mincho ttf-kochi-mincho ttf-wqy-microhei ttf-wqy-zenhei ttf-indic-fonts-core ttf-telugu-fonts ttf-oriya-fonts ttf-kannada-fonts ttf-bengali-fonts The following NEW packages will be installed: ca-certificates-java icedtea-7-jre-jamvm java-common libcups2 libjpeg62 liblcms2-2 libnspr4 libnss3 libnss3-1d openjdk-7-jre-headless openjdk-7-jre-lib tzdata-java The following packages will be upgraded: tzdata 1 upgraded, 12 newly installed, 0 to remove and 122 not upgraded. Need to get 41.2 MB/43.5 MB of archives. After this operation, 64.0 MB of additional disk space will be used. Get:5 http://in.archive.ubuntu.com/ubuntu/ oneiric/main java-common all 0.42ubuntu2 [62.4 kB] Fetched 41.1 MB in 4min 5s (167 kB/s) Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/j/java-common/java-common_0.42ubuntu2_all.deb Size mismatch E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? am unable to solve this. Am i missing something? please help me out in solving this.

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  • How to fix E: Internal Error, No file name for libc6

    - by Loren Ramly
    How to fix E: Internal Error, No file name for libc6, Like that will show If I do: $ sudo apt-get upgrade or $ sudo apt-get install package This is example : $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages have been kept back: ginn hplip hplip-data libdrm-dev libdrm-intel1 libdrm-nouveau1a libdrm-radeon1 libdrm2 libgrip0 libhpmud0 libkms1 libsane-hpaio libunity-2d-private0 libunity-core-5.0-5 linux-generic-pae linux-headers-generic-pae linux-image-generic-pae printer-driver-hpcups printer-driver-hpijs unity unity-2d-common unity-2d-panel unity-2d-shell unity-2d-spread unity-common unity-services The following packages will be upgraded: alsa-base firefox firefox-globalmenu firefox-gnome-support firefox-locale-en icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-7-jre-jamvm libdbus-glib-1-2 libdbus-glib-1-dev libgnutls-dev libgnutls-openssl27 libgnutls26 libgnutlsxx27 libssl-dev libssl-doc libssl1.0.0 linux-sound-base openjdk-6-jre openjdk-6-jre-headless openjdk-6-jre-lib openjdk-7-jdk openjdk-7-jre openjdk-7-jre-headless openjdk-7-jre-lib openssl sudo 27 upgraded, 0 newly installed, 0 to remove and 26 not upgraded. 3 not fully installed or removed. Need to get 0 B/126 MB of archives. After this operation, 3,072 B of additional disk space will be used. Do you want to continue [Y/n]? y E: Internal Error, No file name for libc6 I have follow instruction from here E: Internal Error, No file name for libssl1.0.0 . Which do: sudo apt-get update sudo apt-get clean sudo apt-get install -fy sudo dpkg -i /var/cache/apt/archives/*.deb sudo dpkg --configure -a sudo apt-get install -fy sudo apt-get dist-upgrade But stuck with same error E: Internal Error, No file name for libc6 when do command sudo apt-get install -fy. And I've been looking on google, but have not been successful until now. Thanks.

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  • Dualboot 12.04/windows 7 After installation from USB reboot straight to Windows with no option to select ubuntu and no boot loader

    - by Alkatraz
    windows 7 home premium intel i5 2500k CPU ASUSP8Z68-V PRO Motherboard GeForce GTX 570 GPU corsair 120Gb SSD (windows 7 os) WD 1tb HDD I select the USB drive in the BIOS and boot to it and choose install. i select to manually configure partitions, partition the 200gb of unallocated space on my 1Tb HDD into 16Gb swap file 30Gb / extf4 and 154Gb /home extf4. I make sure that the boot loader is installed to corsair 120Gb SSD (where the windows boot is) and installation goes smoothly. When i reboot after install it runs through bios strait into windows. I have tried upwards of a dozen times and i have also tried with linuxmint. I have also redownloaded the ISO and used two different programs to create the live usb. the installation seems to go well as i can see the partitions i have created in the windows device manager after install http://imgur.com/Wp0V1 I currently run lubuntu on my laptop but it is not a dual boot. i'm assuming this is a boot loader issue and i am assuming that inside those partitioned files in my screenshot there is a working OS of ubuntu 12.04 i just have no way of getting to it.

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  • Google Chrome Updates; Faster, Cleaner Menus, Encrypted Password Syncing, and More

    - by ETC
    Google Chrome has rolled out a new update that includes a host of improves such as easier to navigate menus, encrypted password syncing, over all speed improvements, Flash sandboxing, and more. Google Chome’s new update has a host of subtle but powerful improvements. The browser is faster, the security is improved thanks the addition of encrypted password syncing and sandboxing of the integrated flash player, and the settings menu has been restructured and cleaned up for easy navigation. Check out the video above to take a peek at some of the changes or hit up the link below to read more. Speedier, Simpler, and Safer: Chrome’s Basics Get Even Better [The Official Google Blog] Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Save Files Directly from Your Browser to the Cloud in Chrome and Iron The Steve Jobs Chronicles – Charlie and the Apple Factory [Video] Google Chrome Updates; Faster, Cleaner Menus, Encrypted Password Syncing, and More Glowing Chess Set Combines LEDs, Chess, and DIY Electronics Fun Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks

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  • What Technology can Render Medium Scale 3d Environments in a Web-Browser

    - by JakeM
    I intend to make a web application that displays 3d environments that can be navigated by dragging(with a finger or mouse depending on the platform). The web app will render 3d environments of development sites including contours, water pipeline locations, buildings etc. I am trying to decide what technology/libraries to use that will create a web-app that will work on Android-Web-Browser, iOS-Safari, IE9, Safari, Firefox and Chrome. And also what technology will provide speed in development. I understand that this is 'asking for my cake and eating it too'/'asking for the moon' but I don't know all the technologies out there - so there may be advanced libraries that can render 3d environments across many web-browsers including the main smart phone ones and I dont know of them. The 3d rendering would not be highly detailed buildings or water with effects, but rather simple 3d representations of these objects. The environment would be navigable by dragging around and you could view the landscape in layers(view only contour lines, view only underground pipelines, view only sewerage pipes, etc.). Are there any 3d libraries for web-browsers out there? Is there a way to run OpenGL(or OpenGL ES) through a webbrowser? What technology would you use if you were making this kind of app/web app that should work on desktop Windows, Android, iOS and WindowsPhone? Is there any technology I have failed to mention that would be good for this kind of project? I am tending towards a Browser Driven Web App because I get that cross platform ability(where it even works on linux and MacOS by using compatible web-browsers). Also I know of CSS3 transforms that can create cubes that can rotate in 3d space(NOTE only works for WebKit browsers - so no IE :( ). But I don't know if CSS3 is robust enough to render whole 3d environments? Do you think it could? Maybe I could use HTML5 canvas's for this? Can Google maps create custom 3d maps?

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  • RTFMobile

    - by ultan o'broin
    It may seem obvious but it’s worth stating again. The idea that mobile users are going to read lots of user assistance on their devices is just wrong. So, Jakob Nielsen’s post Mobile Content Is Twice as Difficult serves as a timely reminder for anyone thinking of putting manuals as a form of user assistance onto mobile phones. There is also an excellent post on UXMag.com, explaining that one of the ways to screw up with your iPhone app is to throw an old-style user manual into the user experience: 10 Surefire Ways to Screw Up Your iPhone App.   (Image copyright and referenced from UX Magazine 2010)   Instead, user assistance  alternatives—if any at all—include one-time tours, graphics, in-context instructions, and so on. Not so sure that importing “humor” and “personality” work so well in the enterprise app space, myself. However, the message is clear: iPhone users don’t read manuals. Great message. Users will figure it out, and if they can’t, well then your app’s UX is a problem and the app will fail. Shame some teams are obsessed with figuring out ways to port existing manuals to mobile platforms without any thought for the UX. Razorfish’s Scatter/Gather blog says it all: One thing that is particularly discouraging, most material currently available on “Creating Content for the iPad” or similar themes turns out to be about getting traditional content onto, or into, the iPad. Now, manuals for non-end users in PDF format on eReaders is a different matter. I have research on that, but it’s for another post. Technorati Tags: mobile,user assistance,UX,user experience,manuals,documentation

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  • Reduce Bookmarks in Chrome to Toolbar Icons

    - by Asian Angel
    Do you want to make the most efficient use of the space in Chrome’s Bookmarks Toolbar? Now you can reduce the bookmarks to icons with just a few minutes work. Note: You may or may not wish to do some reorganizing with your bookmarks before-hand. Condensing the Bookmarks If your browser is anything like ours then it has not taken long to fill up your Bookmarks Toolbar. Accessing the drop-down section often throughout the day is not too fun. The bookmarks are the easiest part of your collection to condense. Right-click on each bookmark and select “Edit…” to open the Edit Bookmark Window. Delete the text, click OK, and you are finished. You still have a useable bookmark that looks nice and takes up very little room. These are our bookmarks from the first screenshot above…no problems with accessing all of them now. With just a few minutes work you can have a beautiful and compact Bookmarks Toolbar. If you have been looking for a more efficient and compact Bookmarks Toolbar in Chrome, then this little hack will certainly be useful for you. Similar Articles Productive Geek Tips Reduce Your Bookmarks Toolbar to a Toolbar ButtonAccess Your Bookmarks with a Toolbar Button in Google ChromeConvert Chrome Bookmark Toolbar Folders to IconsAdd the Bookmarks Menu to Your Bookmarks Toolbar with Bookmarks UI ConsolidatorCompact Toolbar Buttons in Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Creating a Password Reset Disk in Windows Bypass Waiting Time On Customer Service Calls With Lucyphone MELTUP – "The Beginning Of US Currency Crisis And Hyperinflation" Enable or Disable the Task Manager Using TaskMgrED Explorer++ is a Worthy Windows Explorer Alternative Error Goblin Explains Windows Error Codes

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  • A new CAPTCHA using sentences?

    - by Xeoncross
    I was just thinking about how recaptcha is getting harder when I thought about another posible solution. Images won't last forever so we will need something else some day - like human logic or emotion. Google and others are trying grouping images by category (find the image that doesn't belong) but that requires a large amount of images and doesn't work for the blind. Anyway, what if a massive collection of text was gathered (public-domain books from each language) and a sentence was shown to the user with 1 (or 2) words that were a select box of choices? Only computers that knew correct English/Spanish/German grammar would be able to tell which of the words belonged in the sentence. Would there be any problems with this approach? I would assume that it would be easy enough for anyone that knew the language that the sentense was displayed in to figure out the answer easier than trying to read the reCAPTCHA text. Plus, storing an insane number of sentences would only take a couple gigabytes of space and wouldn't take anywhere near the CPU time creating images/audio takes. In other words, anyone could host their own captcha system with minimal impact on system performance. Is there a problem with this approach? More specifically I'm looking for the main problem with this approach. migrated from stackoverflow

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  • TV Antenna Helper Makes HDTV Antenna Calibration a Snap

    - by ETC
    If you’re rocking an Android device, TV Antenna Helper is a free tool that will help you orient your HDTV antenna for best signal strength. The free (ad-supported) application checks your location and lists all the HDTV stations within range. You can check signal strength, use compass bearings to help align the antenna with the stations you want to tune, and check additional information about the station and your orientation to it. It’s the kind of tool you won’t need everyday but when trotted out will save you tons of time and aggravation. Hit up the link below for more information and to grab a free copy for your Android device. TV Antenna Helper [Android Market via Addictive Tips] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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  • How do you keep cool when production system goes down?

    - by Mag20
    This has happened to most of us... You come to work one day. Everything seems normal: the sun is shining, birds are chirping, but you notice a couple of weird things on your way to work like deja vu with cat in matrix. You get into office, there are a lot of phones ringing, but could be that they are just doing a new sales promotion. You settle in, when you notice a dark cloud hovering over you. It takes you a couple of moments, but you recognize the cloud is your boss. Usually he checks on you every morning with his "Soooo Peeeeter, how about those TCP/IP reports?" routine, but today he forgot everything about common manners and rudely invaded your personal space. No "Good Morning", just some drooling, grunts and curses. He reminds you a bit of neanderthal who is trying to get away from cyber tooth tiger, fear and panic all compressed in a tight ball. You try to decipher the new language that he created since yesterday and you start understanding that something bad happened overnight - production system went down. Now, your system is usually used by clients during regular working hours from 9-5, but for whatever reason you didn't get any alerts on your beeper (for people under 30 - beeper was like a mobile phone that could only ring and tell you who beeped you). Need to remember to charge it next time. So it is 8:45am, the system MUST be up at 9am. Every 10 seconds, your boss lets out yet another curse which communicates to you that another customer is having problems getting into the system. Also several account managers are now hovering over your boss trying to make him understand how clients are REALLY REALLY suffering. Everyone is depending on you to get the system up ASAP and at the same time hinder your progress by constantly distracting you. How do you keep cool in a situation like this?

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  • How do I handle specific tile/object collisions?

    - by Thomas William Cannady
    What do I do after the bounding box test against a tile to determine whether there is a real collision against the contents of that tile? And if there is, how should I move the object in response to that collision? I have a small object, and test for collisions against the tiles that each corner of it is on. Here's my current code, which I run for each of those (up to) four tiles: // get the bounding box of the object, in world space objectBounds = object->bounds + object->position; if ( (objectBounds.right >= tileBounds.left) && (objectBounds.left <= tileBounds.right) && (objectBounds.top >= tileBounds.bottom) && (objectBounds.bottom <= tileBounds.top)) { // perform specific test to see if it's a left, top , bottom // or right collision. If so, I check to see the nature of it // and where I need to place the object to respond to that collision... // [THIS IS THE PART THAT NEEDS WORK] // if( lastkey==keydown[right] && ((objectBounds.right >= tileBounds.left) && (objectBounds.right <= tileBounds.right) && (objectBounds.bottom >= tileBounds.bottom) && (objectBounds.bottom <= tileBounds.top)) ) { object->position.x = tileBounds.left - objectBounds.width; } // etc.

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  • Examples of limitations in IT due to different bit length by design

    - by Alaudo
    I am teaching the course "Introduction in Programming" for the first-year students and would like to find interesting examples where the datatype size in bits, chosen by design, led to certain known restrictions or important values. Here are some examples: Due to the fact that the Bell teleprinter used 7-bit-code (later accepted as ASCII) until now have we often to encode attachments in electronic messages to contain only 7 bit data. Classical limitation of 32-bit address space leads to the 4Gb maximal RAM size available for 32-bit systems and 4Gb maximal file size in FAT32. Do you know some other interesting examples how the choice of the data type (and especially its binary length) influenced the modern IT world. Added after some discussion in comments: I am not going to teach how to overcome limitations. I just want them to know that 1 byte can hold the values from -127..0..+127 o 0..255, 2 bytes cover the range 0..65535 etc by proving examples they know from other sources, like the above-mentioned base64 encoding etc. We are just learning the basic datatypes and I am trying to find a good reference for "how large" these types are.

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  • Desktop Fun: Wolves Wallpaper Collection

    - by Asian Angel
    Wolves represent aspects of nature that refuse to be tamed, seeking to remain forever free. If you feel a special kinship with these spirited creatures, then you will definitely want to bring this beautiful pack home to your desktop. Note: Click on the picture to see the full-size image—these wallpapers vary in size so you may need to crop, stretch, or place them on a colored background in order to best match them to your screen’s resolution. Latest Features How-To Geek ETC Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) Bring a Touch of the Wild West to Your Desktop with the Rango Theme for Windows 7 Manage Your Favorite Social Accounts in Chrome and Iron with Seesmic E.T. II – Extinction [Fake Movie Sequel Video] Remastered King’s Quest Games Offer Classic Gaming on Modern Machines Compare Your Internet Cost and Speed to Global Averages [Infographic] Orbital Battle for Terra Wallpaper

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  • Two things I learned this week...

    - by noreply(at)blogger.com (Thomas Kyte)
    I often say "I learn something new about Oracle every day".  It really is true - there is so much to know about it, it is hard to keep up sometimes.Here are the two new things I learned - the first is regarding temporary tablespaces.  In the past - when people have asked "how can I shrink my temporary tablespace" I've said "create a new one that is smaller, alter your database/users to use this new one by default, wait a bit, drop the old one".  Actually I usually said first - "don't, it'll just grow again" but some people really wanted to make it smaller.Now, there is an easier way:http://docs.oracle.com/cd/E11882_01/server.112/e26088/statements_3002.htm#SQLRF53578Using alter tablespace temp shrink space .The second thing is just a little sqlplus quirk that I probably knew at one point but totally forgot.  People run into problems with &'s in sqlplus all of the time as sqlplus tries to substitute in for an &variable.  So, if they try to select '&hello world' from dual - they'll get:ops$tkyte%ORA11GR2> select '&hello world' from dual;Enter value for hello: old   1: select '&hello world' from dualnew   1: select ' world' from dual'WORLD------ worldops$tkyte%ORA11GR2> One solution is to "set define off" to disable the substitution (or set define to some other character).  Another oft quoted solution is to use chr(38) - select chr(38)||'hello world' from dual.  I never liked that one personally.  Today - I was shown another wayhttps://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:4549764300346084350#4573022300346189787 ops$tkyte%ORA11GR2> select '&' || 'hello world' from dual;'&'||'HELLOW------------&hello worldops$tkyte%ORA11GR2>just concatenate '&' to the string, sqlplus doesn't touch that one!  I like that better than chr(38) (but a little less than set define off....)

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  • Algorithm to use for shop floor layout?

    - by jkohlhepp
    I ran into a classroom problem yesterday (business oriented class, not computer science) and I found it interesting from an algorithmic perspective. The problem goes something like this: Assume there is a shop floor with N different rooms, and you have N different departments that need to go in those rooms. The departments and the rooms are all the same size, so any department could go in any room. There is a known travel distance from each room to each other room. There is also a known amount of trips necessary from one department to another (trips are counted the same regardless which room they originate from, so a trip from A to B is equivalent to a trip from B to A). Given those inputs, determine a layout of departments into rooms which minimizes travel time. What is the best way to approach this problem algorithmically? Is there already a particular algorithm or class of algorithms designed to solve this type of problem? Does this type of problem have a name in computer science? I am not looking for you to design an algorithm to solve this, although feel free to do so if you would like. I'm wondering if this is a problem space that has already been well defined and studied algorithmically and if so get some links to research further. I can see a lot of different data structures and algorithms that might apply to this and I'm curious which approach would be "best". And don't worry, you are not doing my homework for me. This is not a homework problem per se, as this is a business course and we were simply discussing the concepts and not trying to solve the problem algorithmically.

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  • Feeling Old? Before Middleware, Gamification, and MacBook Airs

    - by ultan o'broin
    Think we're done with green screens in the enterprise apps world? Fusion User Experience Advocate Debra Lilley (@debralilley) drew my attention to this super retro iPad terminal emulator app being used by a colleague to connect to JDE. Yes, before Middleware, this is how you did it. Surely the ultimate in hipster retro coexistence? Mind you, I've had to explain to lots of people I showed this to just what Telnet and IBM AS/400 are (or were). MochaSoft TN5250 Terminal Emulator iPad App This OG way of connecting to apps is a timely reminder not to forget all those legacy apps out there and the UX aspect to adoption and change. If a solution already works well and there's an emotional attachment to it, then the path to upgrade needs to be very clear and have valuable and demonstrable ROI for users and decision makers, a path that spans emotion and business benefits. On a pure usability front, that old school charm of the character-based green glow look 'n' feel could be easily done as a skin, personalizing an application for the user so that they feel comfortable with it. Fun too particularly in the mobile and BYOD space! In fact, there is a thriving retro apps market out there as illustrated by this spiffy lunar lander app (hat tip: John Cartan), part of a whole set of Atari's greatest hits available for iOS. Lunar Lander App And of course, there's the iOS version of Pong. Check out this retro Apple Mac SE/30 too. I actually remember using one of these. I have an Apple Mac Plus somewhere in my parents' house. I tried it out recently, and it actually booted, although all it was good for was playing the onboard games. Looking at all these olde worlde things makes me feel very old, but kinda warm inside too. The latter is a key part of today's applications user experience too.

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  • Greiner-Hormann clipping problem

    - by Belgin
    I have a set of planar polygons in 3D space defined by their vertices in counterclockwise order. Let's define the 'positive face' as being the face of the 3D polygon such as when observed, the vertices appear in counterclockwise order, and the 'negative face', the face which when observed, the vertices appear in clockwise order. I'm doing perspective projection of the set of polygons onto a projection polygon defined by the points in this order: (0, h, 0), (0, 0, 0), (w, 0, 0), and (w, h, 0), where w and h are strictly positive integers. The positive face of this projection polygon is oriented towards positive Z, and the camera point is somewhere at (0, 0, d), where d is a strictly negative number. In order to 'clip' the projected polygons into the projection polygon, I'm applying the Greiner-Hormann (PDF) clipping algorithm, which requires that the clipper and the to-be-clipped polygons be in the same order (i.e. clockwise or counterclockwise). My question is the following: How can I determine whether the projected face of the 3D polygon is the negative or the positive one? Meaning, how do I find out if I have to work with the vertices in normal or inverted order for the algorithm to work? I noticed that only if the 3D polygon is facing the projection polygon with its negative face, both of them are in the same order (counterclockwise), otherwise, a modification needs to be done. Here is a picture (PNG) that illustrates this. Note that the planes described by the polygon from the set and the projection polygon may not always be parallel.

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