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• How to patch libgphoto2 for preview pictures in Shotwell while importing?

  - by Erraticus

  Under some circumstances, Shotwell shows no photo thumbnails while importing. I was trying to download some pictures from my camera (Canon EOS 400D) with Shotwell and the program didn't show any preview for the pictures before downloading them (it just shows a "forbidden" snapshot). After importing them everything seems fine. I've found this bug report but no solution is given for now. It seems there could be a solution for EOS cameras, according to the last comment. This guy links to a patch, but it's not downloadable. Any ideas of where to obtain a deb package of this patch or of any other solution?

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• How can I programmatically block user input for a given time?

  - by black_puppydog

  As a person working in computer science working offline to avoid facebook and thelike is not always (meaning hardly ever) possible for me since I mostly have to be online to work. I have tried leechblock and similar things but the problem becomes that at some point I start making systems for myself to hack, which is kind of pointless if oyu have root. I would very much like to try out the method described here. (Short version: reboot your PC every time finish a task or get bored with it) Unlike for the author of this blog my work is mainly done not in screen sessions but in IDEs ans other not-so-fast-to-start-up stuff, meaning a full reboot including loading all my programs will take its time. So, the question is: How can I block all user input and preferrably blank the screen for a given amount of time? The idea would then be to have a keyboard shortcut to activate the script/program (which would probably also have to have root i guess?)

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• re-partition new drive and use new partition as 'home'

  - by vector

  Linux noob here. I installed Ubuntu 12.04 on a brand new drive (dual boot with windows on another drive) and re-partitioned it afterwards (with gparted off of live cd) like so (sudo fdisk -l) : Device Boot Start End Blocks Id System /dev/sdb1 * 2048 63735807 31866880 83 Linux /dev/sdb2 1448509438 1465147391 8318977 5 Extended Partition 2 does not start on physical sector boundary. /dev/sdb3 63735808 1448507391 692385792 83 Linux /dev/sdb5 1448509440 1465147391 8318976 82 Linux swap / Solaris I'd like to use sdb3 as default home for all work and fun related program installs and files, but I haven't even gotten as far as changing permissions on it. Any help will be most appreciated.

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• Thank You MySQL Connect Content Committee Members

  - by Bertrand Matthelié

  Yesterday we announced the publication of the MySQL Connect Content Catalog. We would like today to thank the MySQL Connect Content Committee members, and especially our external members, for their efforts helping us to build the best possible MySQL Connect program. The Call for Papers had generated a large number of great submissions (thank you all for that!) and it was indeed a tough job to select sessions among those. So thank you very much, Sheeri, Erin, Giuseppe, Calvin and Yoshinori! Your input has been invaluable. Learn more about MySQL Connect (San Francisco Sept 21-23). Register Now and Save US$500 with the Early Bird Discount.

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• "From the Coal Face" - 1 - What ILDASM can reveal!

  - by TATWORTH

  In a place far, far away, there was a project where the Architect decided on using embedded TSQL in a Dot Net application, rather than use stored procedures. I located ILDASM.EXE (my Framework 3.5 version lives at C:\Program Files\Microsoft SDKs\Windows\v7.0A\bin on my home development PC) and created a shortcut to it in the SendTo folder. Now I could set about doing a simple demonstration to the Architect by taking one of the Dot Net EXE's with the embedded TSQL and sending it to ILDASM.  Since I had written most of the embedded TSQL, it was a matter of seconds before I located the embedded TSQL within the Exe. The TSQL that was supposed to be safely hidden within the EXE was easily located and and copied. (It should also be noted that we could have encrypted the stored procedures on loading them to the database.)

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• Partner Milestones

  - by Kristin Rose

  Ahhh the joys of success especially during graduation time…It’s the same joy we feel when one of our partners reaches an Oracle milestone. After all, we want to help partners gain maximum exposure for their hard work and achievements. How you ask? Through streamlined press releases and social media exposure of course! So whether you just completed a Specialization or an Oracle Exastack program achievement, we want to help you share that news  both near and far. Be sure to check out the key PR assets that are available to you, which include: Easy to follow guidelines to help you create and promote your OPN successes – as well as how to submit your press release to Oracle for review OPN press release templates to help develop your announcements OPN’s social media outlets where you can further promote and share your news Contact information for your global Oracle Partner PR representatives Take advantage of these invaluable resources and “Go Get ‘Em,”The OPN Communications Team

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• how to avoid workaholic tag

  - by Shirish11

  As we all know a programmer just needs a computer and a network connection. When these things are available at your disposal you can program anywhere in the world. Now this is causing me a bit of problems. Since its not necessary to work at your workplace only you are asked anytime of your vacation or week-off to help out the client on reported bug. Also if you do enjoy doing it at your pass time, any one seeing you stare at the computer may treat you workaholic which I don't enjoy. How do you make them realize that its not just about the work.It can be a hobby also. In my understanding a workaholic is a person who works to earn but an enthusiast is the one who works to learn.

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• Rotate Rigged and Animated Scene?

  - by Nick

  I have a rigged and animated mesh that I need to import into Unity. We several characters that all use the same script, and access their bones to do procedural animations as well. The problem is that the new model I was given is facing the wrong way. Instead of facing forward, the model is facing the right.. Is there any way to rotate the model with it's animations without screwing it up, so that it will import properly in unity facing forward? Because of the way it was done, selecting everything in the scene and just rotating it by 90 degrees ruins some of the animations, so I need a program that can fix this.

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• how to remove an item from my context menu?

  - by mongoose_za

  I installed a program called Aptana Studio 3. It's added a menu item to my context menu(if I right click I see an option "Aptana Studio"). How can I manually remove this from my menu? I have searched high and low and can't find a way to remove the Aptana stuff from my Firefox. Perhaps it's because I'm on Firefox 4. What I have done is I've gone into about:config I then searched for Aptana and there are 3 items that are listed. I've attached a screenshot. My question now is how can I remove these items because perhaps this will remove the option from my menu.

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• How can I improve these online java programming puzzles I wrote for my (middle/high school) students?

  - by Arcymag

  I'm teaching some middle and high school students programming right now, and I found that some of them really liked online programming puzzles. So I created http://www.kapparate.com/coder/ , and right now there's 4 categories of puzzles. All the puzzles are set up right now so that variables are pre-initialized, and the user plugs in some code in the middle. For example, the problem might say these are pre-initialized: int x = ????; int y = ????; int z; and then the program might ask the student to write the final line of code: z = x + y;. Now I know I could go a long way in improving the usability of this site (like having an area that lists the pre-defined variables), but I was wondering if this concept seems sound. I know some sites have kids fill in functions, but not all of my students know what functions are yet, and I'm trying to introduce online programming puzzles before that.

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• APress Deal of the Day - 19/Nov/2011 - Beginning GIMP

  - by TATWORTH

  Today's$10 Deal of the Day from APress at http://www.apress.com/9781430210702 is "Beginning GIMP". "In this fully-updated second edition, author and long-time member of the GIMP community Akkana Peck introduces the GIMP and shows you everything about it that you'll want to know—including how to prepare images for display on web pages, touch up digital photos, tap into powerful filters, effects, and plug-ins, and automate tasks using scripts." For those of you unfamilar with GIMP it is the GNU Image Manipulation Program and it is available for free from http://www.gimp.org/downloads/   Can't code withoutThe best C# & VB.NET refactoring plugin for Visual Studio

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• Multithreaded game fails on SwapBuffers in render thread at exit

  - by user782220

  The render loop and windows message loop run on separate threads. The way the program exits is that after PostQuitMessage is called in WM_DESTROY the message loop thread signals the render loop thread to exit. As far as I can tell before the render loop thread can even process the signal it tries SwapBuffers and that fails. My question, is there something about how Windows processes WM_DESTROY and WM_QUIT, in maybe DefWindowProc that causes various objects associated with rendering to go away even though I haven't explicitly deleted anything? And that would explain why the rendering thread is making bad calls at exit?

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• Bridging the gap between learning language fundamentals and actually making useful software?

  - by Anonymous -

  I'm learning C# via the "Essential C#" Lynda.com video tutorials and plan to read a couple of books that cover things in more depth afterwards. My question is where I should head to learn more after that? I've done things like project Euler in the past, but I find they don't really help me learn anything other than basic program control flow and features. I've looked at many open-source projects but pretty much everything still looks overwhelmingly complicated at this stage. What would you recommend I look at to help me build useful applications that are a bit beyond the millions of console applications I must've written thus-far? Should I be looking at books specifically on learning/working with the .NET framework, or just biting my lip and continue working through open source projects until they start to make sense?

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• Are there Any Concerns with Importing Document Files From a Competing Product?

  - by Thunderforge

  I have a new product that serves the same purpose as my competitor's long-standing product. One thing I have considered doing is allowing my program to import document files created by their product in order to provide an easy way for users to migrate towards mine. Naturally, this would be done without the competitor's permission, as it goes against their interests. I've seen this done before with office suite software (e.g. Open Office and Apple Pages can import MS Word documents), but I'm wondering if there are any concerns, legal or ethical, with me doing this. I fully expect any answers will most likely fall under the "I am not a lawyer" clause, but it would be helpful to have a starting point for anything I would need to be aware of, or if I shouldn't need to worry.

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• Any good stories or blog posts of a startup's server/stack evolving as they got bigger? [closed]

  - by user72245

  I know lots of startups often go for practical, simple, efficient. So maybe tossing a Ruby program on a basic Apache server. Get some users up and running, etc. Then Ruby starts to not be fast enough, so they throw more servers at the problem? And load balancing or something? And then when stuff gets REALLY crazy, language changes, etc? I'm looking for someone who has cleanly and simply told their own company's story like this. Are there any good ones?

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• Games with user-supplied artifical intelligence (AI) engines?

  - by RoboShop

  I remember Microsoft used to have this AI game for the .NET framework which allowed you to program a species and this species could be introduced to an "ecosystem" full of species that other people had programmed and they could interact with each other, etc. I can't remember what it was called, but I remembered thinking it was a pretty good idea. Are there any other similiar sites like that, which allows you to design some sort of AI engine and pit it against other programmer's creations? It could be an ecosystem type thing, or it could be a card or board game.

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• Hadoop:Only master node does the work

  - by user287722

  I've setup a Hadoop 2.2 cluster with 1 master node(namenode and secondary namenode) and 3 slave nodes(datanode and namenode on each one).All of the machines use Linux Mint 64bit. When I run my MapReduce program, writen in Java, I can only see that master node is using extra CPU and RAM. Slave nodes are not doing a thing. I've checked the logs from all of the namenodes and there is nothing wrong with the namenodes on slave nodes. Resource Manager is running and all of the slave nodes can see the Resource Manager. I used this http://n0where.net/hadoop-2-2-multi-node-cluster-setup/ tutorial to configure my nodes. Datanodes are working in terms of distributed data storing but I can't see any indication of distributed data processing. Do I have to configure the xml configuration files in some other way so all of the machines will process data while I'm running my MapReduce Job?

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• Is NTFS-3G safe for writing?

  - by katrmr

  These days, I have to use the NTFS-3G driver to write to an NTFS drive (which will later be used in Windows). But I still remember the olde times of Linux ntfs driver which clearly said in the docs: 'If you write to an ntfs volume, run our special program afterwards which will clean up the damage done.' So, I read through the man, the docs, the Tuxera site and Askubuntu and found no discussion of the write-safety of NTFS-3G. The only thing that was mentioned somewhere is that the driver doesn't support the NTFS journal. So, the question is, can I use NTFS-3G and be sure that I will later read what I have written to the files? Won't, for example, Windows find the journal entries missing and 'clean up' the data according to its own faulty understanding?

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• DataTable to Generic List Conversion

  using System;using System.Collections.Generic;using System.Linq;using System.Data;namespace ConsoleApplication1{ class Program { static void Main(string[] args) { DataTable table = new DataTable { Columns = { {"Number", typeof(int)}, {"Name", typeof(string)} } }; //Just adding few test rows to datatable. for (int i = 1; i <= 5; i++) { table.Rows.Add(i, "Name" + i); } var returnList = from row in table.AsEnumerable() select new MyObject { Number = row.Field<int>("Number"), Name = row.Field<String>("Name") }; //Displaying converted collection foreach (MyObject item in returnList) { Console.WriteLine("{0}\t{1}", item.Number, item.Name); } } } class MyObject { public int Number { get; set; } public String Name { get; set; } }} span.fullpost {display:none;}

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• Best video recording & mixing software for Ubuntu

  - by ???? No

  I'm searching for a quality software for recording video streams and mixing 3 cameras' streams and photos. I need it also for online streaming on a website. It could be a commercial software, doesn't have to be open source or free. I just don't have a clue if there is something like this. Thanks in advance. P.S. It's for Ubuntu 12.04 P.S.S. Maybe my definition is not correct or full, so I have to add - I need the program for live broadcast and recording on the computer at the same time.

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• calling methods if previous call success

  - by New Developer

  I my c# program I have to perform 5 steps(tasks) sequentially. basically these five should execute one after the other only the previous task performed is success. Currently I have done it in following style. But this is not very good code style to follow. var isSuccess=false; isSuccess=a.method1(); if(isSuccess) isSuccess=a.method2(); if(isSuccess) isSuccess=a.method3(); if(isSuccess) isSuccess=a.method4(); if(isSuccess) isSuccess=a.method5(); How can I re factor this code. What is the best way I can follow?

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• How to remove package in bad state, software center freezes, no synaptic

  - by GothicMonster

  When 'Update Manager' starts running, it tells me that I need to do a 'Partial Upgrade', when I start doing the upgrade, it tells me "Remove package in bad state The package 'linux-headers-3.0.0-19' is in an inconsistent state and needs to be reinstalled, but no archive can be found for it. Do you want to remove this package now to continue?" When I click 'Yes' the program just closes. I have tried to go into the software center and reinstall the 'linux-headers-3.0.0-19' ubuntu software center just freezes. Right now I cannot run 'Synaptic', or remove any software. Please help!

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• Pattern for loading and handling resources

  - by Enoon

  Many times there is the need to load external resources into the program, may they be graphics, audio samples or text strings. Is there a patten for handling the loading and the handling of such resources? For example: should I have a class that loads all the data and then call it everytime I need the data? As in: GraphicsHandler.instance().loadAllData() ...//and then later: draw(x,y, GraphicsHandler.instance().getData(WATER_IMAGE)) //or maybe draw(x,y, GraphicsHandler.instance().WATER_IMAGE) Or should I assign each resource to the class where it belongs? As in (for example, in a game): Graphics g = GraphicsLoader.load(CHAR01); Character c = new Character(..., g); ... c.draw(); Generally speaking which of these two is the more robust solution? GraphicsHandler.instance().getData(WATER_IMAGE) //or GraphicsHandler.instance().WATER_IMAGE //a constant reference

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• Can I use my VirtualBox 3.* VMs with VirtualBox 4.0? If so, how come the repository doesn't have it?

  - by ximbim

  I had the following repository for virtualbox in my /etc/apt/sources.list: deb ttp://download.virtualbox.org/virtualbox/debian maverick non-free Then I found out there was a new version when I opened it today (the program prompted me with a window to manually download it from Oracle's site). Then I tried sudo apt-get update && sudo apt-get upgrade and got nothing. Here you have a way to add virtualbox-4.0 to your apt-get, but the problem is that it isn't updating, meaning I would have the two installed. I'm also worried if I'll have to do something like that each time it updates since that would defeat the point of apt-get. I've been using virtualbox with the apt-get update for more than a year now and this is the first time it has happened, so I was wondering if there would be a way to just update my current installation.

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• Technical Article: Experimenting with Java Timers

  - by Tori Wieldt

  OTN's new tech article is "Experimenting with Java Timers" by T. Lamine Ba. This article studies time—how Java handles timers and the scheduling of tasks. Java timers are utilities that let you execute threads or tasks at a predetermined future time, and these tasks can be repeated according to a set frequency. The article starts with a simple "Hello World" program in a web application that's composed of JavaServer Pages (JSP) and uses the model-control-view (MVC) design pattern. The IDE used in this article is NetBeans IDE 7.1, but you can use any IDE that supports Java. "Experimenting with Java Timers" demonstrates how to get started scheduling jobs with Java. To learn about Swing timers, check out the Java tutorial "How to Use Swing Timers" and additional information in the Java Platform, Standard Edition 7 API Specification for Class Timer. 

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