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  • We're Back: I'm Here

    - by [email protected]
    After a busy Fall and Winter post-Oracle OpenWorld 2009 Oracle's Application Strategy Blog is back. More on what we've been up to shortly. Me, I'm blogging here for the first time. After nearly 6 years at Oracle working on the Oracle Fusion Middleware business I've recently joined the Oracle Applications team. For me, what's old is new again. Prior to working on applications infrastructure at Oracle...and at BEA Systems before that...I worked at PeopleSoft in a number of roles spanning Enterprise Performance Management, Supply Chain, Public Sector and Financial Services and more. Some of the acronyms are the same, there are (of course) some new ones too. But what I'm really excited about is the intersection of Enterprise Applications and Applications Infrastructure that's happening right now. "Aligning IT with Business Strategy" has been the buzzphrase for longer than we can all remember---but what I've seen over the past 5 months makes me start to believe that it's finally starting to happen.

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  • Bumblebee - Poor performance with games

    - by user106880
    I have an Alienware M14x (GeForce 650m with Optimus) and got Bumblebee working correctly (trying to get ready for steam for linux :)). Also I'm running Ubuntu 12.10 with Unity. I get great framerates with glxgears and sauerbraten (a game on the repositories), but when I run games like Bastion and Splice, I get pretty terrible framerate, in fact worse than my integrated intel gpu. I have nvidia-current installed under ubuntu-x-swat/x-updates so it's driver version 310.xx. Also I forgot to add that I haven't been able to test other drivers because they seem to break glx (x can't load the glx module). I've been troubleshooting this for days now, and I'm very nearly out of ideas. Any hints on why only some games are running so poorly with bumblebee?

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  • Most commands won't do anything if I use the console at my Ubuntu server. Why?

    - by Tijs
    I've bought a vps server a few days ago, with Ubuntu on it, but I have a problem now. By nearly all the commands I put in I get this error: : command not found. I am logging in as root. I think this is the Ubuntu version I have: ubuntu-8.04-i386-minimal. (Maybe it has to do with 'minimal'? I really don't know.) To be more specific, the command I have and try to run now is this: cd ~/mclawl; screen -S MCForge -d -m -c /dev/null -- sh -c 'mono MCForge.exe; exec $SHELL' If I do so, I get this: -bash: screen: command not found

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  • How can I restore a corrupted Shotwell db?

    - by Yann Dìnendal
    While I was importing photos from a SD card in Shotwell, my laptop has crashed (shutdown because of over-heating). Now, I can no longer launch Shotwell: $ shotwell ** ERROR:x86_64-linux-gnu/db/VersionTable.c:104:version_table_construct: assertion failed: (res == SQLITE_OK) If I move the .db file ~/.shotwell/data/photo.db elsewhere so it is no longer present (but backed-up), shotwell will launch, but will rebuild its library, which will be empty. I can re-import the folders shotwell creates, but I lose nearly all meta-data (most importantly the "folders", or events, and their main picture) Is there a way to repair/rebuild/restore photo.db? How can I see what's inside? how bad it's damaged? Or is there another way to get back my events and imports?

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  • Project Coin: JSR 334 has a Proposed Final Draft

    - by darcy
    Reaching nearly the last phase of the JCP process, JSR 334 now has a proposed final draft. There have been only a few refinements to the specification since public review: Incorporated language changes into JLS proper. Forbid combining diamond and explicit type arguments to a generic constructor. Removed unusual protocol around Throwable.addSuppressed(null) and added a new constructor to Throwable to allow suppression to be disabled. Added disclaimers that OutOfMemoryError, NullPointerException, and ArithmeticException objects created by the JVM may have suppression disabled. Added thread safely requirements to Throwable.addSuppressed and Throwable.getSuppressed. Next up is the final approval ballot; almost there!

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  • Elmah

    - by csharp-source.net
    LMAH (Error Logging Modules and Handlers) is an application-wide error logging facility that is completely pluggable. It can be dynamically added to a running ASP.NET web application, or even all ASP.NET web applications on a machine, without any need for re-compilation or re-deployment. Once ELMAH has been dropped into a running web application and configured appropriately, you get the following facilities without changing a single line of your code: * Logging of nearly all unhandled exceptions. * A web page to remotely view the entire log of recoded exceptions. * A web page to remotely view the full details of any one logged exception. * In many cases, you can review the original yellow screen of death that ASP.NET generated for a given exception, even with customErrors mode turned off. * An e-mail notification of each error at the time it occurs. * An RSS feed of the last 15 errors from the log.

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  • Going home now :-)

    - by Mike Dietrich
    3 weeks of traveling through Asia and Australia - nearly 500 customers and partners in 8 workshops in Tokyo, Seoul, Beijing, Shenzhen, Singapore, Melbourne, Perth and Manila. Great people in all places, many interesting discussions, several new reference prospects for Oracle Database 11g Release 2 - YOU should upgrade as well pretty soon :-) But now it's time to go home. We are a bit exhausted but we really enjoyed it talking to and with you. And I'd suppose we'll meet again the sooner or later. Thanks to everybody - and special thanks to the local colleagues and especially to Abe-san, Kota-san, Blair Layton and Shaheen Ismail for taking care on us, organizing our workshops and the whole setup!!!

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  • How to use multiple monitors effectivelly

    - by maaartinus
    I'm currently using a single monitor, since I see no value in something like this mentioned in this answer. It may be a good exercise for my neck, but besides of this I see no use therein at all. This amounts to 5760x1200 pixels, which is nearly 7M pixels, just fantastic, except for me not being a cyklop-han. The ratio of 24:5 is IMHO too bad for this to be usable. I don't even think that two 16:10 monitors side by side is a good idea. I never tried so I may be completely wrong, but I suppose that the 4:3 ratio would be much better for this. Or even 1:1, but no such thing is available (with some exceptions, either very expensive or very low resolution). Does anybody use two monitors arranged vertically (resulting in 16:20)? or two pivoted monitors side by side (resulting in 20:16)? or another such variant?

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  • Breaking up the Workday– Overcoming the Workaholic Syndrome

    - by dwahlin
    Hi, my name’s Dan Wahlin and I’m a workaholic – I admit it. It’s good from the standpoint that I get a lot done but it also has a lot of cons associated with it as well that I’m not proud of. I literally can’t watch TV without feeling like I should be doing something more productive (although I have no problem going to see movies at a theater or watching sporting events – that’s my escape I guess). On vacation it’s sometimes difficult the first few days to just “let go” of work and enjoy the time with my family. I always feel like I should be checking email and following up with different business projects. Fortunately, my wife knows me really well after 17 years of marriage and “gently” restricts my usage of laptops and other gadgets while we’re out. She also reminds me that constantly burying my face in gadgets just isn’t cool and shows a distinct lack of self control. On a given day I typically put in between 12 (at a minimum) up to 16-18 hours working on projects. My company does .NET consulting (ASP.NET/jQuery, SharePoint and Silverlight) but we also do a lot in the training space so there’s always a client project, some new courseware or some other deliverable that has to be worked on. My normal process for handling that is to just work my butt off and see how much I can get done. That process has worked well for a long time but when you start realizing that your happiness comes from how much work you accomplished that day then you have a problem. That’s especially true if you have kids (which I do….two awesome boys). It’s almost as if working more hours feels like I’m more successful or something which is of course ridiculous. It may actually mean that I’m too distracted or disorganized. Lately I’ve realized that while I’m still productive and always meet my deadlines, I’m really burnt out by the afternoon and have lost some of the excitement I used to have. Part of that’s normal I think given that I’ve been doing this for close to 15 years now, but in thinking through it more I realized that I just need to get away from the desk and take a break. By far, the happiest time of my life was my childhood. Part of that was due to having awesome parents, having far less responsibility (a big factor I suspect), being able to hang-out with friends at school, playing sports, games, etc. but I think a big part of the overall happiness came from being outside a lot. I lived on my bike as a little kid and as I grew up I shared time between riding an ATV all over the place, shooting hoops on the basketball court, playing golf and working on a golf course (all outside work of course).  Being a software developer and trainer I generally spend 95% or more of my day indoors and only see the sun when driving from place to place or by looking out the window (that’s sad because I live in a suburb of Phoenix, AZ where it’s nearly always sunny). I haven’t looked into any scientific studies on the matter, but I’d be willing to bet there’s a direct correlation between overall productivity/happiness and being outside some throughout the day (sunny or not). But, I wasn’t sure what to do about it since I do have a lot of deadlines I need to meet after all. While talking with my wife last night I mentioned how I feel like I’m in a rut and want to get the “fun” back that I used to have. She immediately said that I need to start making time for breaks (a real quick fact – she’s a lot smarter than me and nearly always right). Of course my first thought was that I’d be less productive taking breaks. If I spend 2 hours just relaxing then I’m losing 2 hours of work. But, I thought about it more and realized that I’m probably less productive when I work 10+ hours and only take less than 30 minutes for a lunch break to relax a little. I bet my brain is screaming, “Please let me relax a little so I can figure out these problems you’re trying to resolve!”. So, starting today I’m going to try to break the workaholic habit and spend time outside of the office. That could mean sitting around outside, working out, golfing, or whatever. I’ve decided that no gadgets are allowed during that time and that I shouldn’t work for more than 4 hours straight without taking a break. I have no idea how my little “break the workaholic syndrome” experiment will go or how long it will last, but I’d be very interested in hearing from others on how they keep fresh and focused without working yourself to death. If you have any specific ideas, techniques or practices you follow please share them. There’s a lot more to life than work and some of us (and I’m thinking of myself specifically) need to take a long, hard look at what kind of balance we currently have. I’d hate to look back at my life when I’m 80 years old and say, “The only thing I did was work – I missed out on life!”.

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  • How to make a ball fall faster on a ramp? Unity3D/C#

    - by Timothy Williams
    So, I'm making a ball game. Where you pick up the ball, drop it on a ramp, and it flies off in to blocks. The only problem right now is it falls at a normal speed, then lightly falls off, not nearly fast enough to get over the wall and hit the blocks. Is there any way to make the ball go faster down the ramp? Maybe even make it go faster depending on what height you dropped it from (e.g. if you hold it way above the ramp, and drop it, it will drop faster than if you dropped it right above the ramp.) Thanks.

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  • Do immutable objects and DDD go together?

    - by SnOrfus
    Consider a system that uses DDD (as well: any system that uses an ORM). The point of any system realistically, in nearly every use case, will be to manipulate those domain objects. Otherwise there's no real effect or purpose. Modifying an immutable object will cause it to generate a new record after the object is persisted which creates massive bloat in the datasource (unless you delete previous records after modifications). I can see the benefit of using immutable objects, but in this sense, I can't ever see a useful case for using immutable objects. Is this wrong?

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  • 24 Hours of PASS: 15 Powerful Dynamic Management Objects - Deck and Demos

    - by Adam Machanic
    Thank you to everyone who attended today's 24 Hours of PASS webcast on Dynamic Management Objects! I was shocked, awed, and somewhat scared when I saw the attendee number peak at over 800. I really appreciate your taking time out of your day to listen to me talk. It's always interesting presenting to people I can't see or hear, so I relied on Twitter for a form of nearly real-time feedback. I would like to especially thank everyone who left me tweets both during and after the presentation. Your feedback...(read more)

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  • How should we approach publishing our game from India?

    - by Praveen Sharath
    Me and my friends are developing a game using Java for Windows operating system. We have nearly completed our game. As we feel that the game can make money, we wish to sell it. But in India we don't know any game publishing company. We want to know the following if possible. Will game publishers like BigFishGames.com publish our game even though we are not in USA? We are just students in college. Is it required that we can sell only after we start a company? Is it possible to sign contracts if the publisher wishes to publish our game, while the publisher and developer are in different countries? Thank you

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  • How to make a ball fall faster on a ramp?

    - by Timothy Williams
    So, I'm making a ball game. Where you pick up the ball, drop it on a ramp, and it flies off in to blocks. The only problem right now is it falls at a normal speed, then lightly falls off, not nearly fast enough to get over the wall and hit the blocks. Is there any way to make the ball go faster down the ramp? Maybe even make it go faster depending on what height you dropped it from (e.g. if you hold it way above the ramp, and drop it, it will drop faster than if you dropped it right above the ramp.)

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  • How should I make searching a relational database more efficient?

    - by Travis J
    This is in the scope of a web application. I have a database which has a few nested relations. There is a feature which depicts the history of a large chain of relations. It is essentially a data analysis feature. The issue is that in order to search, a large object graph must be loaded - the loading time for this object graph is not quick enough to be viable. The problem is that without loading the whole graph it makes searching from a single string nearly impossible. In order to search, explicit fields must be specified and the search data supplied. Is there a design pattern for exposing the data in a way which facilitates a single string search instead of having to explicitly define parameters?

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  • 302: this blog will be closed

    After nearly 7 years I will discontinue blogging on this site. My resources are limited. You can reach my German blog which is used to support my customers. Looking back to a long an interesting journey ASP.NET by ScottGu That was the reason to attend this site and support Microsoft as much as I can. For that I was honored as ASP.NET MVP- thanks again. Meet Scoot several times. Great guy! Forums I have left NNTP forums a few years ago and now Microsoft closed it- It was my idea ;-) AJAX Was...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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  • Number crunching algo for learning multithreading?

    - by Austin Henley
    I have never really implemented anything dealing with threads; my only experience with them is reading about them in my undergrad. So I want to change that by writing a program that does some number crunching, but splits it up into several threads. My first ideas for this hopefully simple multithreaded program were: Beal's Conjecture brute force based on my SO question. Bailey-Borwein-Plouffe formula for calculating Pi. Prime number brute force search As you can see I have an interest in math and thought it would be fun to incorporate it into this, rather than coding something such as a server which wouldn't be nearly as fun! But the 3 ideas don't seem very appealing and I have already done some work on them in the past so I was curious if anyone had any ideas in the same spirit as these 3 that I could implement?

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  • Referring to hardware/software in first-person? [closed]

    - by JYelton
    At my company, there is a habit for the engineers to refer to their respective hardware/firmware/software in the first-person as if the device they are responsible for is a manifestation of themselves. I'll give you an example: Hardware Engineer: "I don't receive the first byte, so I stay off." Software Engineer: "I'm sending you the first byte after the ack flag, so I thought you were getting it." Hardware Engineer: "No, you're not turning me on." It was this very example I overheard today that nearly had me giggling in fits. "You're not turning me on." Well, I should hope not! So, is it common practice for engineers to do this, or simply unprofessional? Any suggestions for changing this apparently bad habit?

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  • One method with many behaviours or many methods

    - by Krowar
    This question is quite general and not related to a specific language, but more to coding best practices. Recently, I've been developing a feature for my app that is requested in many cases with slightly different behaviours. This function send emails , but to different receivers, or with different texts according to the parameters. The method signature is something like public static sendMail (t_message message = null , t_user receiver = null , stream attachedPiece = null) And then there are many condition inside the method, like if(attachedPiece != null) { } I've made the choice to do it this way (with a single method) because it prevents me to rewrite the (nearly) same method 10 times, but I'm not sure that it's a good practice. What should I have done? Write 10 sendMail method with different parameters? Are there obvious pros and cons for these different ways of programming? Thanks a lot.

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  • The Recovery: New Challenges for your Supply Chain!

    - by [email protected]
    Nearly half of CFOs are planning to reduce their inventory during the first half of 2010 in part due to supply chain improvements that allow them to hold less product, but also because of reduced demand according to Kate O'Sullivan, Sr Editor at CFO Magazine. Her view is based on this quarter's Duke University Global Business Outlook Survey. Highlights: Employment will be a drag on the economy- full-time employment to increase by 1%. Temp hiring to grow <1%, Outsourcing 4%.  70% of CFOs at SMEs say credit conditions are worse then 12 mos ago - placing strains on inventory growth Asia and China finance execs are more optimistic than their EMEA or US counterparts and expect stronger growth in capital spending with a 16% gain Source: "Slouching Towards Recovery", CFO Magazine, April 2010, pgs 19-20    

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  • 24 Hours of PASS: 15 Powerful Dynamic Management Objects - Deck and Demos

    - by Adam Machanic
    Thank you to everyone who attended today's 24 Hours of PASS webcast on Dynamic Management Objects! I was shocked, awed, and somewhat scared when I saw the attendee number peak at over 800. I really appreciate your taking time out of your day to listen to me talk. It's always interesting presenting to people I can't see or hear, so I relied on Twitter for a form of nearly real-time feedback. I would like to especially thank everyone who left me tweets both during and after the presentation. Your feedback...(read more)

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  • How do functional languages handle random numbers?

    - by Electric Coffee
    What I mean about that is that in nearly every tutorial I've read about functional languages, is that one of the great things about functions, is that if you call a function with the same parameters twice, you'll always end up with the same result. How on earth do you then make a function that takes a seed as a parameter, and then returns a random number based on that seed? I mean this would seem to go against one of the things that are so good about functions, right? Or am I completely missing something here?

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  • Why Are Dial-up Modems so Noisy?

    - by Jason Fitzpatrick
    Throughout the 1990s the majority of internet users began their session with the noisy handshake of a dial-up modem, but what exactly was all that electronic chatter about? Read on as we investigate one of the more iconic sounds of the burgeoning Internet age. 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. While dial-up modem use might be down from the nearly 100% market saturation in the 1990s to only 10% of current US internet users, the sound of a dial-up modem connecting lives on in the memories of geeks everywhere. This week we’re taking a look at the technology behind the noisy process and what exactly was going on when you dialed in for your internet session. Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference

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  • Dual Inspection / Four Eyes Principle

    - by Ralf
    I have the requirement to implement some kind of dual inspection or four-eyes principle as a feature of my software, meaning that every change of an object done by user A has to be checked by user B. A trivial example would be a publishing system where an author writes an article and another has to proofread it before it is published. I am a little bit surprised that you find nearly nothing about it on the net. No patterns, no libraries (besides cibet), no workflow solutions etc. Is this requirement really so uncommon? Or am I searching for the wrong terms? I am not looking for a specific solution. More for a pattern or best practice approach. Update: the above example is really trivial. Let's add some more complexity to it. The article has been published, but it now needs an update. Putting the article offline for the update is not an option, but the update has to be proof read, too.

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  • What is Cyber Monday? [Infographic]

    - by Jason Fitzpatrick
    Nearly everyone is familiar with Black Friday, the massive shopping day right after Thanksgiving, but Cyber Monday is a recent invention. Check out this infographic for the low down. Cyber Monday is only a scant six years old, an invention of online retailers looking to create a shopping day to compete with the in-store frenzy of Black Friday. Although quite a few retailers offer online Black Friday deals, Cyber Monday is a the biggest day for online deals–many shoppers fail to find the things they were looking for on Black Friday and turn to online sources. You can read more about Cyber Monday here or visit the link below for a higher resolution copy of the infographic. What Is Cyber Monday? [YouNeverLose via Mashable] How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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