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• Larry Ellison Unveils Oracle Database In-Memory

  - by jgelhaus

  A Breakthrough Technology, Which Turns the Promise of Real-Time into a Reality Oracle Database In-Memory delivers leading-edge in-memory performance without the need to restrict functionality or accept compromises, complexity and risk. Deploying Oracle Database In-Memory with virtually any existing Oracle Database compatible application is as easy as flipping a switch--no application changes are required. It is fully integrated with Oracle Database's scale-up, scale-out, storage tiering, availability and security technologies making it the most industrial-strength offering in the industry. Learn More Read the Press Release Get Product Details View the Webcast On-Demand Replay Follow the conversation #DB12c #OracleDBIM

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• Internet Explorer 9 At MIX10

  Check out this great Internet Explorer 9 (IE9) video interview from this years MIX10 conference. John Hrvatin is a Lead Microsoft PM on the IE9 Project. Johns a smart guy who patiently answered all my questions about IE9. Thanks John! I highly recommend watching this video to see why IE9 sounds so exciting: In the video, John demos IE9 and openly discusses: IE9 Features and performance HTML5 support Gives a IE9 demo Explains new IE9 JavaScript engine (JIT, Multicore, GPU Powered)...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Build one to throw away vs Second-system effect

  - by m3th0dman

  One one hand there is an advice that says "Build one to throw away". Only after finishing a software system and seeing the end product we realize what went wrong in the design phase and understand how we should have really done it. On the other hand there is the "second-system effect" which says that the second system of the same kind that is designed is usually worse than the first one; there are many features that did not fit in the first project and were pushed into the second version usually leading to overly complex and overly engineered. Isn't here some contradiction between these principles? What is the correct view over the problems and where is the border between these two? I believe that these "good practices" are were firstly promoted in the seminal book The Mythical Man-Month by Fred Brooks. I know that some of these issues are solved by Agile methodologies, but deep down, the problem is still the principles still stand; for example we would not make important design changes 3 sprints before going live.

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• Controllers in CodeIgniter

  - by Dileep Dil

  I little bit new to the CodeIgniter framework and this is my first project with this framework. During a chat on StackOverflow somebody said that we need to make controllers tiny as possible. Currently I have a default controller named home with 1332 lines of codes (and increasing) and a model named Profunction with 1356 lines of codes (and increasing). The controller class have about 46 functions on it and also with model class. I thought that Codeigniter can handle large Controllers or Models well, is there any problem/performance issue/security issues regarding this?

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• Oracle Solaris 11 Developer Webinar Series

  - by Larry Wake

  This coming Tuesday, a new series of webcasts (not to be confused with a series of tubes) is kicking off, aimed at developers. Register today Next week's session covers IPS and related topics: What: Modern Software Packaging for Enterprise Developers When: Tuesday, March 27, 9 AM Pacific Who: Eric Reid, Oracle Systems ISV Engineering We've got several more queued up -- here's the full schedule, with registration links for each one. Or, see the series overview, which includes a link to a "teaser" preview of all the sessions. Topic Date (all sessions 9 AM Pacific) Speaker Modern Software Packaging for Enterprise Developers March 27th Eric Reid (Principal Software Engineer) Simplify Your Development Environment with Zones, ZFS & More April 10th Eric Reid (Principal Software Engineer)Stefan Schneider (Chief Technologist, ISV Engineering) Managing Application Services – Using SMF Manifests in Solaris 11 April 24th Matthew Hosanee (Principal Software Engineer) Optimize Your Applications on Oracle Solaris 11: The DTrace Advantage May 8th Angelo Rajadurai (Principal Software Engineer) Maximize Application Performance and Reliability on Oracle Solaris 11 May 22nd Ikroop Dhillon (Principal Product Manager) Writing Oracle Solaris 11 Device Drivers June 6th Bill Knoche (Principal Software Engineer)

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• How to get interest in programming especially in java and android [closed]

  - by aditi

  I am new in this community. I just completed my Btech in Computer science, I have interest towards programming especially java. I started studying java but i am little bit slow in logic and understanding the concepts. I have some good books of java but when doing the program i am losing my confidence because of the logic issues. I have some doubts How can i improve my logical and coding skills HOw to get more and more interest in programming (like i heard about some programmers who are geeks, i mean programming machines). Is there any shortcut for studying programming Please provide some suggestions as i knew this forum has lots of good programmers. Please share ur thoughts and how you people improving ur logics. Any help is appreciated

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• Why doesn't my GameMaker step event work?

  - by exceltior

  So I want to make some kind of floor that which the player when walks in gets his movement reduced but im having thousand of different issues implementing this since it doesnt appear to do anything ... So i have tried different way: 1 - I have tried Step Event which had the following script: if keyboard_check(ord('A')) { player.x = -5; } if keyboard_check(ord('D')) { player.x = -5; } if keyboard_check(ord('W')) { player.x = -5; } if keyboard_check(ord('S')) { player.x = -5; } 2 - I have tried a Collision Event with the same code 3- I have tried a Step event with collision detection on a script None of these options seem to work at all ... Can you help me?

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• Dinner with someone who works for a bank

  - by Badr Hari

  So, I have to meet my girlfriends parents, for some reason they are both programmers. They both work in a bank and as I understood they are responsible for IT security issues. (I have no detailed information about it, because my girlfriend doesn't know anything about computers) I want to make a good expression, especially because they know I can code. Is there any person here who has similar job or has some kind of idea what are they doing so in that field so I can do some research before... it's extremely important for me, please give me an advice.

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• Replace Broadcom "wl" driver with "b43"

  - by Laszlo Boros

  I'm using Ubuntu 10.04.4 LTS, and in my laptop there is a Broadcom BCM4312 wlan card. lspci output: 04:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01) Subsystem: Broadcom Corporation Device 04b5 Flags: bus master, fast devsel, latency 0, IRQ 18 Memory at f4500000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [58] Vendor Specific Information Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel Capabilities: [160] Device Serial Number 81-ac-1d-ff-ff-12-54-92 Capabilities: [16c] Power Budgeting Kernel driver in use: wl Kernel modules: wl, ssb So as you can see, the current (and default) driver is wl - installed with jockey. But I have another Ubuntu based distribution on my laptop (BackTrack linux), which is also 10.04, but it has the b43 driver installed and the overall performance is MUCH better. So I would like to install it on this OS too, but even google didn't help me. So my question is how to install the latest b43 driver on my Ubuntu?

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• What Is Disk Fragmentation and Do I Still Need to Defragment?

  - by Jason Fitzpatrick

  Do modern computers still need the kind of routine defragmentation procedures that older computers called for? Read on to learn about fragmentation and what modern operating systems and file systems do to minimize performance impacts. Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. 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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• Proper fstab entry to mount a samba share in 12.04

  - by JPbuntu

  I am a little confused on the proper fstab entry for a samba share in Ubuntu 12.04 I can get the drive to mount manually by using: sudo mount -t cifs //192.168.2.2/raid_drive /mnt/homeserver -o username=jon,password=password So I tried putting this in fstab: //192.168.2.2/raid_drive /mnt/homeserver cifs username=jon,password=password,iocharset=utf8,mode=0777,dir_mode=07??77 0 0 Which gives me this error in syslog: kernel: [ 2217.925354] CIFS: Unknown mount option mode kernel: [ 2217.936345] CIFS VFS: default security mechanism requested. The default security mechanism will be upgraded from ntlm to ntlmv2 in kernel release 3.3 This guide says to use smbfs although I believe smbfs is deprecated? What is a common fstab configuration for a samba share in Ubuntu 12.04? EDIT: Using the accepted answer below I was initially getting this error message (from dmesg): [ 45.520883] CIFS VFS: Error connecting to socket. Aborting operation [ 45.520990] CIFS VFS: cifs_mount failed w/return code = -115 although it turns out this was due to network connectivity issues, and not related to improper fstab entry.

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• Is there a shell-independent search tool like the Unity's Dash?

  - by Bucic

  The only thing I will miss after moving to LXDE from Unity will be the Unity Dash. Its functionality, not the piss-poor performance that is. So here's my question. I know there is synapse but AFAIK it only returns text, without multiple large-sized thumbnails of files etc. ** I'm looking for a tool with thumb ailing capability. Immediate presentation of recently used files and apps is also a must.** Please don't be afraid of the NO answer. Related question: Any search tool for LXDE menu?

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• RadBook for Silverlight now supports virtualization

  I am proud to announce that RadBook, along with RadGridView, RadTreeView, RadTreeListView, RadChart and RadScheduler, now supports virtualization. With previous versions, it would take up to 16 seconds to load 1000 pages, where now it takes just 2 seconds to load a set of 10,000,000 (10 million) items.   The cause of the performance boost is the way RadBook handles the unnecessary(non-visible) elements. As you probably know, while turning a page, only four pages are visible at any given moment in time. Previous versions of RadBook would just collapse the unnecessary elements, which had a significant impact on the initial loading time. The new version of RadBook now takes advantage of the VirutalizingPanel and creates only as many elements as necessary for the book to render properly. Enjoy and if you have comments or questions on the topic, let us know.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Is Dell Inspiron 15R Special Edition compatible with Ubuntu?

  - by Obada Talal Abu Arisheh

  I want to buy a Dell Inspiron 15R Special Edition. On ubuntu.com, it says that Dell Inspiron 15R will work properly. But the special edition has some special issues. I will list the hardware: 3rd Generation Intel® Core™ i7-3612QM processor (6M Cache, up to 3.1 GHz) 15.6" Full High Definition (1080p) LED Display 8GB2 Dual Channel DDR3 SDRAM at 1600MHz 750GB 7200 RPM SATA Hard Drive 8X Tray Load CD/DVD Burner (Dual Layer DVD+/-R Drive) AMD Radeon™ HD 7730M 2GB Built-in Skullcandy™ stereo speakers and Waves MaxxAudio® 4 technology Will it have any problem?

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• Ceská obchodní banka, a.s. Upgrades to Oracle Database 11g On Time, On Budget and without Disrupting Business Operations

  - by jgelhaus

  You want the new features of the latest release, but upgrading a database is one of those things DBAs can "lose sleep" over.  Ceská obchodní banka, a.s."CSOB" needed to upgrade its production systems in the Czech Republic and Slovakia that supported 90 key applications for its retail, corporate, internet, and ATM services from Oracle Database 9i to Oracle Database 11g with simultaneous migration from Alpha processors/OpenVMS-based hardware to a Power7, AIX system. Oracle Consulting helped to complete the upgrade within schedule and budget, while meeting tight restrictions on downtime. Knowledge transfer by Oracle Consulting to the bank’s IT team has improved self-sufficiency in support and maintenance while the technical and advisory services of Oracle Consulting Expert Services continue to optimize performance and availability while lowering cost of ownership. Read how CSOB maximized the value of its investment in Oracle Database technology with an upgrade to Oracle Database 11g.

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• The Calmest IT Guy in the World

  - by Markus Weber

  Unplanned outages and downtime still result not only in major productivity losses, but also major financial losses. Along the same lines, if zero planned downtime and zero data loss are key to your IT environment and your business requirements, planning for those becomes very important, all while balancing between performance, high availability, and cost. Oracle Database High Availability technologies will help you achieve these mission-critical goals, and are reflected in Oracle's best practices offerings of the Maximum Availability Architecture, or MAA. We created three neat, short videos showcasing some typical use cases, and highlighting three important components (amongst many more) of MAA: Oracle Real Application Clusters (RAC) Oracle Active Data Guard Oracle Flashback Technologies Make sure to watch those videos here, and learn about challenges, and solutions, around High Availability database environments from a recent Independent Oracle Users Group (IOUG) survey. 

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• Project development without experience

  - by Raven13

  I'm a web developer who is part of a three-man team that has been tasked with a rather large and complex development project. Other than some direction and impetus from management, we're pretty much on our own to develop the new website. None of us have any project management experience nor do my two coworkers seem like they would be interested in taking on that role, so I feel like it's up to me to implement some kind of structure to the development process in order to avoid issues down the road. My question is: what can I do as a developer without project managment experience to ensure that our project gets developed successfully and avoid the pitfalls of developing a project without a plan?

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• Parallel Installation of Ubuntu, Wubi and Windows 7?

  - by Aufwind

  I have Windows 7 installed on a Notebook. Because I wanted to experiment with Ubutnu without loosing my Windows 7 configuration I installed the Wubi Version of Ubuntu inside of Windows 7. Since things seam to work out well with Ubuntu and my harddisk space is very limited, I want to make Ubuntu my only operating system on this machine. So my question is: Is it possible, to install Ubuntu 11.04 additionally to my actual configuration (Wubi and Windows 7)? And if things turned out well with the native installation of Ubuntu, too, to delete Wubi and Windows 7 from my system afterwards? Why I am asking this is simply, that I am afraid, that if I just format my machine and made the whole harddisk available for the fresh Ubuntu installation, it could be possible, that it turns out, that one thing or an other would not work properly, like it did in Wubi. (Possible Network, VPN, and Firewall@work issues) In this case I'd like the possibility to switch back.

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• Moodle Inconsistencies, Flowplayer, or Server?

  - by dglickler

  We are trying to decide if an issue we're having with Moodle and our videos is a flowplayer issue, a video issue, or a network issue. Any input is welcome. We've had videos in our Moodle (version 1.9, we're working on an upgrade on a different server) up for weeks, or even months. After that time, some of them have suddenly just stopped working. When they don't work, they just don't load. The videos work when we first upload them. With flowplayer, we don't get errors, just a blank screen. We have re-uploaded our videos several times when this has happened, but we really would like to know what's causing it so that we can prevent it. There are also no keyframe issues with the video. We are currently trying to find answers through various searches, but have not had any luck. I will continue to post more info as I come across it...but if there's anyone who knows or has ideas, it's welcome.

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• SSD Tweaks for Ubuntu 12.04

  - by Mustafa Erdinç

  I need to tweak my Dell XPS 13z SSD for maximum performance and life cycle than I read the solutions explained here, but it is for 11.10 and my fstab is different. For now my fstab is looks like this: proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda1 during installation UUID=abf5ce9e-bdb7-4b2f-a7bd-bbd9efa72a98 / ext4 errors=remount-ro 0 1 # /home was on /dev/sda2 during installation UUID=491427b2-7482-4483-b6eb-7c564b991aff /home ext4 defaults 0 2 # swap was on /dev/sda3 during installation #UUID=7551000d-e708-4e0f-9fd2-9f93119f63fb none swap sw 0 0 /dev/mapper/cryptswap1 none swap sw 0 0 tmpfs /tmp tmpfs mode=1777 And my rc.local is looks like this: echo noop > /sys/block/sda/queue/scheduler echo deadline > /sys/block/sda/queue/scheduler echo 1 > /sys/block/sda/queue/iosched/fifo_batch exit 0 Do you have any suggestions, what should I do? Regards

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• Sound unavailable every other session

  - by Oxwivi

  On my desktop running Oneiric, sometimes there's no sound at all, but it would work normally at other times. My setup is built ground-up from minimal Ubuntu, but since sounds work fine, at times, I don't think it is a backend dependency issue. When it works, it will play anything from regular audio files and movies to YouTube Flash players. For the record, I installed LXDE with the alsa-base and alsa-utils packages which are the only audio-related dependencies for the lubuntu-desktop. For a while, I also used persistent Oneiric live USB, and do not recall any sound issues. It's one thing to not play sound entirely, but playing sound only under some very unclear circumstances is something else. Please help me diagnose it.

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• Is it typical for a provider of a web services to also provide client libraries?

  - by HDave

  My company is building a corporate Java web-app and we are leaning towards using GWT-RPC as the client-server protocol for performance reasons. However, in the future, we will need to provide an API for other enterprise systems to access our data as well. For this, we were thinking of a SOAP based web service. In my experience it is common for commercial providers of enterprise web applications to provide client libraries (Java, .NET, C#, etc.). Is this generally the case? I ask because if so, then why bother using SOAP or REST or any standard web services protocol at all? Why not just create a client libraries that communicate via GWT-RPC?

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• 2D Tile Map for Platformer, XML or SQLite?

  - by Stephen Tierney

  I'm developing a 2D platformer with some uni friends. We've based it upon the XNA Platformer Starter Kit which uses .txt files to store the tile map. While this is simple it does not give us enough control and flexibility with level design. I'm doing some research into whether to store level data in an XML file or in a database like SQLite. Which would be the best for this situation? Do either have any drawbacks (performance etc) compared to the other?

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• Preventing RSI (Repetitive Strain Injuries)

  - by nightcracker

  I am 16 years old and I love to program and playing the piano. It's not uncommon that I'm bashing away on my mouse and keyboard all day long. I do not feel any pains doing so. Yet I am still worried, because I often hear from people that they can never type for longer then 10 minutes again without getting severe pains. Given my two hobbies, programming and playing the piano that worries me a lot. My current situation is this: G15 keyboard and G5 mouse A chair that looks like this (the back of the chair is surprisingly supportive): http://www.ikea.com/nl/nl/images/products/torbjorn-bureaustoel__0084333_PE210956_S4.JPG In my "normal sitting position" the table is around the height of my bellybutton. A LG Flatron L194wt screen (too small IMO, getting a new one soon) Should I be worrying about RSI/similar health issues? If yes, what can/should I do about it?

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• home-folder encryption: Does it work?

  - by jpaugh

  Back when Ubuntu first sported home folder encryption (what, around the time of Jaunty Jackalope?), I opted in. That caused me some grief when I decided to change my login password. I found that I couldn't decrypt my home anymore! In trying to fix this, I eventually muddled things to the point that using my old password didn't work anymore, either. That experience has left me very shy of using an encrypted home directory--nevermind the performance hit of encryption. Has this feature become more "stable" since it came out? Does it break if you change your login password? Has your [more recent] experience been better? (Does it work in Natty Narwhal?)

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