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  • New JDeveloper/ADF book hits the bookshelves

    - by Grant Ronald
    I've just received a nice new copy of Sten Vesterli's book Oracle ADF Enterprise Application Development - Made Simple.  I was one of the technical reviewers of the book but I'm looking forward to be able to read it end-to-end in good old fashioned book format this coming week. The book bridges the gap between those existing books that describe Oracle ADF features, and real world ADF development.  So, source control, bug tracking, estimating, testing, security, packaging etc are all covered.  Of course, every project and situation is different so the book could never supply a one-size-fits-all guide, but I think its a good addition to your ADF bookshelf.  I'll hopefully post a full review in the coming weeks. Oh, and congratulations Sten,  having gone through the pain of writing my own ADF book, I take my hat off to anyone who goes through the same journey!

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  • Why is email HTML stuck in the 90's?

    - by Sean Dunwoody
    (disclaimer - I've already tried asking this on StackOverflow, but apparently it was off topic. If the same is true here please let me know and I'll close/delete this question.) I've spent about a day putting together a frustrating email newsletter, using tables, inline styles etc. It feels a lot harder than it should be. I was just wondering, is there any reason why email clients have such poor support of HTML and CSS (CSS in particular)? I would have imagined they'd be scrambling to outdo each other in this department ... Is is a security thing (I can't really imagine why)? Or are they just lazy?

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  • DIY CFL-Based Photography Light Is Bright and Cheap

    - by Jason Fitzpatrick
    This DIY build combines a bunch of off-the-shelf hardware parts for a cheap–both to build and run–continuous lighting studio lamp. The build guide is heavy on details regarding the construction of the body but light on wiring details so you’ll definitely want to brush up on your basic socket wiring skills before tackling it. Otherwise, it’s a great guide to building an inexpensive continuous lighting setup. Build A CFL Based Continuous Light Source [DIY Photography] How To Be Your Own Personal Clone Army (With a Little Photoshop) How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume

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  • Should I reuse variables?

    - by IAdapter
    Should I reuse variables? I know that many best practice say you should not do it, however later when different developer is debugging the code and have 3 variables that look a like and only difference is that they are created in different places in the code he might be confused. unit-testing is a great example of this. However I do know that best practice are most of the time against it. For example they say not to "overide" method parameters. Best practice are even are against nulling the previous variables (in Java there is Sonar that has warning when you assign null to variable that you don't need to do it to call garbage collector since Java6. you cant always control what warnings are turned off, most of the time the default is on)

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  • What's the most important trait of a programmer desired by peer programmers [closed]

    - by greengit
    Questions here talk about most important programming skills someone is supposed to possess, and, a lot of great answers spring up. The answers and the questioners seem mostly interested on qualities related to getting a better job, nailing some interview, things desired by boss or management, or improving your programming abilities. One thing that often gets blown over is the genuine consideration for what traits peers want. They don't much value things like you're one of those 'gets things done' people for the company, or you never miss a deadline, or your code is least painful to review and debug, or you're team player with fantastic leading abilities. They probably care more if you're helpful, are a refreshing person to talk to, you're fun to program in pair with, everybody wants you to review their code, or something of that nature. I, for one, would care that I come off to my peers as a pleasurable programmer to work with, as much as I care about my impression on my boss or management. Is this really significant, and if yes, what are the most desirable traits peers want from each other.

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  • Starting Spring Lineup

    - by onefloridacoder
    This morning I finished removing all VS2008 related frameworks and installed items related to VS2010 based on posts around the community.  Here’s what I started with on my dev laptop, the config for my laptop:  HP Pavilion dv6  Win7 64-bit 4Gb RAM Installed Developer Tools and Frameworks: Sync 2.0 SDK Visual Studio 2010 Pex Power Tools Enterprise Library 5.0 SQL Server 2008 Developer Edition Visual Studio 2008 Ultimate Expression Blend 4 RC Team Foundation Server 2010 Team Foundation Server 2010 SDK   The only item I did not reinstall on top of VS2010 was ReSharper 4.5 only because I read mixed reviews on the dev experience.  At this point I really just want to get use to the new(er) IDEs without adding any confusion to my dev machine.  I’ll level off my desire for early adoption at Blend, EntLib 5.0, and Pex - I’m also interested in the Moles integration as well.   Something else I didn’t have to install was my IDE theme which was left behind in my user folder was merged during installation – afterwards it was nice to see once the dust settled.

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  • How to recover unavailable memory in /dev/shm

    - by Alain Labbe
    Good day to all, I have a question regarding the use of /dev/shm. I use it as a temporary folder for large files to speed up processing and save IO off the HD. My problem is that some of my scripts sometimes require "forceful" interruption for a variety of reasons. I can then manually remove the files left over in /dev/shm but the memory is not returned to available space (as seen by df -h). Is there any way to recover the memory without restarting the system? I'm using LTS12.04 and most of the scripts are PERL running system call on C programs (bioinformatics tools). Thanks.

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  • October 2013 Cumulative Update for SQL Server 2008 R2

    - by AaronBertrand
    Microsoft has released Cumulative Update #9 for SQL Server 2008 R2 Service Pack 2. KB Article: KB #2887606 17 fixes listed at time of publication Build number is 10.50.4295 Relevant for @@VERSION 10.50.4000 through 10.50.4294 My usual disclaimer: these updates are NOT for SQL Server 2008 (or SQL Server 2012). Only apply to systems where SELECT @@VERSION returns 10.50.xxxx, where xxxx is >= 2500. If xxxx < 2500, you need to start thinking about getting off the RTM branch. Note that no more cumulative...(read more)

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  • Moving Forward with Code Iteration

    - by rcapote
    There are times when working on my programming projects, and I get to a point where I'm ready to move on to the next part of my program. However, when I sit down to implement this new feature I get stuck, in a sense. It's not that I don't know how to implement the feature, it's that I get stuck on figuring out the best way to implement said feature. So I sit back for a day or two and let the ideas ferment until I am comfortable with a design. I get worried that I may not write something as well as it could be, or that I might have to go back and rework the whole thing; so I put it off. This is a big reason why I've never really finished many personal projects. Anyone else experience this, and how do you keep your self moving forward in your project?

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  • Join the Dark Side of Visual Studio 2010

    - by InfinitiesLoop
    Hard to believe it’s been so long, but it was almost 4 years ago when I published Join the Dark Side of Visual Studio . That was when a lot of people were still using VS2003, and importing and exporting environment settings required a custom add-in, VSStyler, which has since fallen off the planet and is hard to find (link, anyone? Let me know). Three versions of VS later, and I’m still using and loving the dark side. Pleased, I am (haha). In fact, that article for one reason or another is still one...(read more)

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  • Logic behind a bejeweled-like game

    - by Joe
    In a prototype I am doing, there is a minigame similar to bejeweled. Using a grid that is a 2d array (int[,]) how can I go about know when the user formed a match? I only care about horizontally and vertically. Off the top of my head I was thinking I would just look each direction. Something like: int item = grid[x,y]; if(grid[x-1,y]==item) { int step=x; int matches =2; while(grid[step-1,y]==item) { step++; matches++ } if(matches>2) //remove all matching items } else if(grid[x+1,y]==item //.... else if(grid[x,y-1==item) //... else if(grid[x,y+1]==item) //... It seems like there should be a better way. Is there?

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  • Ask the Readers: Favorite Web Clipping Tool?

    - by Jason Fitzpatrick
    Bookmarking is great if you want a link to visit later, but what if you want to save the page itself for later perusal? This week we want to hear all about your favorite web clipping tool and how you use it to read what you want, when you want it. Web clipping tools are simple tools (browser extensions, bookmarklets, etc.) that make it easy to clip text and multimedia elements from web pages in order to archive them and/or read them at a later date. Whether you clip to a bursting at the seams web-notebook or you clip to send to your Kindle, we want to hear about your favorite tools and how they fit into your reading workflow. Sound off in the comments and then make sure to check back on Friday for the What You Said roundup where we highlight popular picks and clever tips. HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way

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  • Does UX matter for enterprise software?

    - by Ryan
    I've come to notice that a lot of software that companies use for managing things like time, expenses, setting up phone systems, etc is very non-intuitive from a user experience point of view. I know personally I waste a lot of time just trying to figure out how to navigate these systems, especially if I don't have a co-worker close by who I can bug to help me out. The help files are usually just as bad as the user interface itself. Are companies that complacent or are there just not any comparable enterprise products out there which do the job for these sorts of tasks? It seems that on the consumer side there is plenty of market opportunity for creating better user experiences, but how about for enterprise software? Obviously a certain level of slickness is not going to matter to a company, but when a better UX design translates to time saved, it's hard to argue against that. Edit: I'm not referring to in-house applications, but rather off the shelf systems from large software companies.

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  • Should companies require developers to credit code they didn't write?

    - by sunpech
    In academia, it's considered cheating if a student copies code/work from someone/somewhere else without giving credit, and tries to pass it off as his/her own. Should companies make it a requirement for developers to properly credit all non-trivial code and work that they did not produce themselves? Is it useful to do so, or is it simply overkill? I understand there are various free licenses out there, but if I find stuff I like and actually use, I really feel compelled to give credit via comment in code even if it's not required by the license (or lack thereof one).

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  • Fan running constantly on a Dell D420 laptop

    - by Halik
    I'm running latest Ubuntu 12.04 beta on a Dell D420 laptop. The fan is spinning almost constantly - even after turning the PC off, letting it cool down, and then turning it back on, the fan will turn on after some idle time. Not to mention any CPU work. The CPU temps are normal, in range of 50-55 idle, and up to 70 with some load. It wouldn't be an issue, but the same PC running Fedora, or Arch Linux, had a much more modest fan profile - the temps were managed while you seldom heard the fan. To counter the problem, I currently use i8k tools, set manual temperature thresholds which seemed to have worked, but the i8kmon has a tendency to cycle the fan between lower and higher state within aboutin a second intervals - which is extremely annoying. As far as I can tell I did not run any special software (beside laptop-mode-tools), or any additional kernel modules when running Arch Linux and I can't tell about Fedora.

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  • Display resolution problem with Sony TV and Intel integrated graphics

    - by user96195
    I am trying to set the correct display resolution for my Sony TV (KDL-32V2000, native resolution 1366x768) connected via HDMI to my HTPC running Ubuntu 12.04. I have a Intel Core i3-530 and Intel mobo (DH57JG), so no proprietary graphics drivers. The problem is that I can't get the correct resolution to display on the TV. Initially I only had 1024x768 (or similar) as a maximum resolution, which was not displayed properly. I tried a few steps, including generating an xorg.conf (initially didn't have one) and adding the segment as described in this post regarding this particular TV. I couldn't get this to work, and at this stage have reverted to running without an xorg.conf. Another post suggested upgrading to kernel 3.5, which did give me a 1920x1080 resolution option. This results in the TV cutting off a fair bit of the edges of the screen. My Dell laptop with ATI drivers recognises the TV screen and works well via HDMI. Any idea how to proceed?

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  • How do I get Unity working again after installing the wrong video driver?

    - by Jesse
    First off I did something stupid. I downloaded a Nvidia driver even though I have an integrated chipset. After installation my unity was still working. However, when I restarted my computer I got an error message saying that I can't run unity. I uninstalled the Nvidia driver. I restarted my computer. Unity still does not work. In the terminal I type "unity" and everything looks okay until I get three error messages that say this: Xlib: extension "GLX" missing on display ":0.0". followed by: Compiz (opengl) - Fatal: glXCreateContext failed Compiz (bailer) - Info: Ensuring a shell for your session jesse@jesse-PC:~$ Cannot register the panel shell: there is already one running.

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  • [Blog] N'utilisez jamais try {} catch {}

    C'est en somme le conseil donn? par Karl Seguin sur son blog. Pour lui, l'utilisation du try/catch pour g?rer une exception est une mauvaise pratique : "If an exception happens, you need to know about it. If a truly unexpected exception happens, you're better off (most of the time) crashing than letting the application continue (...) The best way to achieve both is let the exception go unhandled and log the exception in a global exception handler". Pour paraphraser une ?mission c?l?bre, ?a se discute ...

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  • IndyTechFest Recap

    - by Johnm
    The sun had yet to raise above the horizon on Saturday, May 22nd and I was traveling toward the location of the 2010 IndyTechFest. In my freshly awaken, and pre-coffee, state I reflected on the months that preceded this day and how quickly they slipped away. The big day had finally come and the morning dew glistened with a unique brightness that morning. What is this all about? For those who are unfamiliar with IndyTechFest, it is a regional conference held in Indianapolis and hosted by the Indianapolis .NET Developers Association (IndyNDA) and the Indianapolis Professional Association for SQL Server (IndyPASS).  The event presents multiple tracks and sessions covering subjects such as Business Intelligence,  Database Administration, .NET Development, SharePoint Development, Windows Mobile Development as well as non-Microsoft topics such as Lean and MongoDB. This year's event was the third hosting of IndyTechFest. No man is an island No event such as IndyTechFest is executed by a single person. My fellow co-founders, with their highly complementary skill sets and philanthropy make the process very enjoyable. Our amazing volunteers and their aid were indispensible. The generous financial support of our sponsors that made the event and fabulous prizes possible. The spectacular line up of speakers who came from near and far to donate their time and knowledge. Our beloved attendees who sacrificed the first sunny Saturday in weeks to expand their skill sets and network with their peers. We are deeply appreciative. Challenges in preparation With the preparation of any event comes challenges. It is these challenges that makes the process of planning an event so interesting. This year's largest challenge was the location of the event. In the past two years IndyTechFest was held at the Gene B. Glick Junior Achievement Center in Indianapolis. This facility has been the hub of the Indy technical community for many years. As the big day drew near, the facility's availability came into question due to some recent changes that had occurred with those who operated the facility. We began our search for an alternative option. Thankfully, the Marriott Indianapolis East was available, was very spacious and willing to work within the range of our budget. Within days of our event, the decision to move proved to be wise since the prior location had begun renovations to the interior. Whew! Always trust your gut. Every day it's getting better At the ending of each year, we huddle together, review the evaluations and identify an area in which the event could improve. This year's big opportunity for improvement resided in the prize give-away portion at the end of the day. In the 2008 event, admittedly, this portion was rather chaotic, rushed and disorganized. This year, we broke the drawing into two sections, of which each attendee received two tickets. The first ticket was a drawing for the mountain of books that were given away. The second ticket was a drawing for the big prizes, the 2 Xboxes, 3 laptops and iPad. We peppered the ticket drawings with gift card raffles and tossing t-shirts into the audience. If at first you don't succeed, try and try again Each year of IndyTechFest, we have offered a means for ad-hoc sessions or discussion groups to pop-up. To our disappointment it was something that never quite took off. We have always believed that this unique type of session was valuable and wanted to figure out a way to make it work for this year. A special thanks to Alan Stevens, who took on and facilitated the "open space" track and made it an official success. Share with your tweety When the attendee badges were designed we decided to place an emphasis on the attendee's Twitter account as well as the events hash-tag (#IndyTechFest) to encourage some real-time buzz during the day. At the host table we displayed a Twitter feed for all to enjoy. It was quite successful and encouraging use of social media. My badge was missing my Twitter account since it was recently changed. For those who care to follow my rather sparse tweets, my address is @johnnydata. Man, this is one long blog post! All in all it was a very successful event. It is always great to see new faces and meet old friends. The planning for the 2011 IndyTechFest will kick off very soon. We have more capacity for future growth and a truck full of great ideas. Stay tuned!

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  • Notebook MSI GT640 - noisy fan - Ubuntu 11.10 x64

    - by pablo
    I have all time this issue when using Ubuntus, the fan (fans?) runs most off the time and between 60%~100% even in idle which is weird. The GPU temperatures are mostly around 80 degrees and I don't think it's right :( I always use Jupiter with power saving preset and add the line in linux default like this: quiet splash pcie_aspm=force i915.i915_enable_rc6=1 So it helps a little (fan just doesn't run all the time 100%...) What else can I do? The notebook spec is: Core i7-720 (8 threads) NVIDIA GTS250M So it's rather one of the first, not so silent and cold notebooks;), with Core i7 family and without optimus technology (as nvidia GPU is the only graphic card built-in) but anyway I don't have theese strange hot times in Windows 7.

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  • creating a google wave clone using php/mysql/jquery

    - by jeansymolanza
    seasons greetings to all. i have a question that has been rather bugging me as of late. does anyone know how one can create a google wave clone using php/mysql/jquery as primary points of development. any ideas on how this might be possible and recommend any starting points? i have some time off work and it would be an interesting project to undertake as i want to use it in an e-learning framework next year. i will be testing the product on a XAMPP local server. i understand some of the technologies that google wave using but i am rather curious as to how these can be developed to a decent standard using php/mysql/jquery (i mention these three because i am quite adept at them). any links to resources best suited to an intermediate programmer would be appreciated. many thanks and God bless. so far i have this: http://konrness.com/javascript/google-wave-style-scroll-bar-jquery-plugin/

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  • Video Encoding library for C++ game

    - by Paulo Pinto
    I'm looking for a video encoding library in C++ that I can use to record game footage. It can not be an external application like Fraps, it must be a library. Ideally the encoding can be done in real time without affecting game performance too much, although this is not a must have requirement. Another preference is that the video file being saved from the game is already compressed and ready to be used by most video players without any further processing. I realize that this might not be possible especially for real time encoding, so I would accept a trade off of having to process the file later for better compression and/or better file format. I'd like to hear about your experience integrating the library into a game if possible and any interesting trade offs you had to make. Some libraries support more that one file format or codec, so advice on the file format would also be appreciated.

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  • A Plea for Doug

    - by user12652314
    Doug was a key leader in the JCP and did all his research on sparc/solaris. That is until we changed the free patch policy support academics & research post CIC and he and many left in droves entirely pissed off. Well, we're working on a fix now so that all faculty can set-up a server environment, get free patch support and innovate on our stack from OS to virtualization to toolsets in support research, academic use and teaching. Hopefully, just maybe, we can start to bring Doug and the others back home as a result.

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  • ubuntu integrated graphics suspend + hybrid graphics

    - by kapad
    My laptop uses a hybrid graphics hardware. Using the vgaswitcheroo I am able to power off either card and switch between them correctly. The issue is that the system wakes up/resumes from suspend correctly only when using the discrete graphics, or atleast the discrete graphics must be powered on even if the display is connected to the onboard intel card. Has anyone faced this issues? Is there any workaround? I only want to use the integrated card and not the discrete amd card. System Info Intel HD 3000 ATI mobility radeon HD 7600M Ubuntu 12.10

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  • Just updated, after reboot my computer won't start up again

    - by Alex
    I have a macbook that I use on occasion which dual boots Ubuntu and OSX (It has rEFIt installed). I turned it on for the first time in a while and it needed a bunch of updates. So I let it run, and restarted it when it asked. When it was booting up, it got stuck at a light blue screen. There was nothing on the screen to indicate that it was doing anything - I figured it just got stuck or something, so I turned it off and back on. (I suspect now it was actually working, but I had no indication that it hadn't just frozen) Now I can't access either OSX or my Ubuntu partition. When I choose ubuntu on the rEFIt menu, it shows "No bootable device -- insert book disk and press key". If I try to start up OSX is looks like it starts loading, but instead of an apple logo there's a crossed out circle icon.

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