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• How to chose a develop method?

  - by Martin

  There are many academic/industrial researchs about various development methods (Scrum, XP, waterfall, ect.), telling us how to do it right and stuff. But I never saw something that suggest how to choose a method, what will be better for a given project. I know that what the developers are used to is an very important aspect. But lets say that I am assembling a new group from scratch, and that every programmer in the world is willing to work with me. :) What aspects of the project should I consider to decide between Scrum, XP, TDD, ect.? Or is that an entirely human thing, regardless of what is being developed? I said that all programmers are available, but you may comment they're knowledge about the domain, or other characteristics in the answers. E.g. "If you chose to hire people with no domain knowledge, MethodX is better than MathodY, beacause ...." is a completely welcomed answer.

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• Boot path not found, cannot start OS

  - by Dustin

  My desktop is 12.04 64bit, and it cannot boot from the hard drive anymore. When I attempt to it just is stuck on a blank screen with an blinking dash, and nothing happens. I checked with the bios trouble shoot for problems and it said that no boot path could be found. I do not know why this is happening, but need to fix it because it used to boot up normally. What I need to know is how to fix it. I can boot into a live DVD. Also, there were a few boots I would attempt to boot into a live USB, then it would boot to the hard drive, but that does not work any more. So with the live DVD (it is an 10.04 LTS 32bit), is there any means to correct the boot path from the live DVD? Thank you for your time and answers.

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• What are the appropriate mount options for a shared NTFS partition on an SSD in a dual boot Ubuntu/Windows setup?

  - by Andreas Jonsson

  I have Ubuntu 13.10 and Windows 7 installed in dual boot on a single SSD. In addition they share an NTFS partition where I put all my data and documents. What is the optimal way to mount this NTFS partition in /etc/fstab (considering performance and minimizing wear of the SSD)? Similar questions have been asked, but I could not find answers to this particular scenario. As I understand it, the mount option 'discard' is not supported for NTFS and so should not be used (although it is recommended here). Another often quoted mount option is 'noatime'. I use it for my ext4 partitions. Does it apply to NTFS? My current /etc/fstab line is: UUID=XXXXXXXXXXXXXXXX /dos ntfs defaults,nls=utf8,uid=1000,gid=1000 0 0

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• Are there any examples of a temporal field/object updater?

  - by Bryan Agee

  The system in question has numerous examples of temporal objects and fields--ones which are a certain variable at a certain point in time. An example of this would be someone's rate of pay--there are different answers depending on when you ask and what the constraints might be; eg, can there ever be more than one of a certain temporal object concurrently, etc. Ideally, there would be an object that handles those constraints when a new state/stateful object is introduced; when a new value is set, it would prevent creating negative ranges and overlaps. Martin Fowler has written some great material on this (such as this description of Temporal Objects) , but what I've found of it tends to be entirely theoretic, with no concrete implementations. PHP is the target language, but examples in any language would be most helpful.

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• How to design a leaderboard?

  - by PeterK

  This sounds like an easy thing but when i considering the following Many players Some have played many games and some just started Different type of statistics ...on what information should the actual ranking be based on. I am planning to display the board in a UITableView so there is limited space available per player. However, I am not bound to the UITableView if there is a better solution. This is a quiz game and the information i am currently capturing per player is: #games played totally #games played per game type (current version have only one game type) #questions answered #correct answers Maybe i should include additional information. I have been thinking about having a leaderboard property page where the player can decide on what basis the leaderboard should display information but would like to avoid the complexity in that. However, if that is needed i will do it. Anyone that can give me some advice on how to design the presentation of this would be highly appreciated?

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• What kind of an IT or programming job can a college student get part time?

  - by Alex Foster

  I'm a college student with a full load of classes and i need some extra money to cover some of my expenses. I love anything and everything to do with computers. I don't know how to program but have build computers before and know how windows works. I would call myself a power user. My question is, what kind of a job can someone like me get with effort? If there are some more skills that i can pick up that would benefit in getting the foot in the door i would love to hear about them. The only limitation i have is that i can't work very late in the evening most days due to classes. But usually in the morning my time is available for work. I will appreciate all answers i receive. Thank you for your help.

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• BlueStacks Joins Forces with AMD; Launches AMD-only Enhanced Android App Launcher

  - by Jason Fitzpatrick

  Last fall we showed you how to run Android apps on your Windows PC with BlueStacks. Now BlueStacks has partnered with AMD to offer even better Android emulation on AMD-powered Windows machines. Check out our original overview and installation guide for BlueStacks to get a feel for what you can do with the app. If you’re sporting an AMD CPU, hit up the link below to check out the AMD AppZone to grab some of the thousands of Android apps you can enjoy on your desktop. AMD AppZone: Android [via Gigaom] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Is there a simple, safe way to trigger a GPU lockup on a susceptible computer?

  - by Abe

  Answers to my previous question, Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?, have led me to suspect that my computer is experiencing an intermittent GPU lockup. It has been happening about once a week, usually when I am using Chrome. Today it happened when I was creating a diagram on lucidchart I have a Dell Optiplex 755 with an ATI Radeon HD 2400 XT and dual monitors running in Xinerama mode. I am using 12.04 with the proprietary ATI driver installed. When the computer locks-up, I can still ssh in. And I would like to follow the instructions on reporting this provided at https://wiki.ubuntu.com/X/Troubleshooting/Freeze Is there a (safe) way to cause a GPU lockup so that I can go ahead and file a bug, rather than waiting until it happens again?

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• How to list user installed applications (not packages)?

  - by Bucic

  Not packages and not all applications. Just the applications user installed by himself from whatever source (Software Center, manually added PPA, etc.). If the above is not possible - a list of all installed applications or at least a GUI which lists the applications so I can take screenshots of it. I've read a dozen of similar questions and people posting answers usually don't even get close to OP question merit. Please note that my question includes 'user installed'. Answer: It is not currently possible in Ubuntu Linux. (choosing tijybba's answer as the closest one though)

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• What features are helpful when performing remote debugging / diagnostics?

  - by Pemdas

  Obviously, the easiest way to solve a bug is to be able to reproduce it in-house. However, sometimes that is not practical. For starters, users are often not very good at providing you with useful information. Customer Service: "what seems to be the issue?" User: "It crashed!" To further compound that, sometimes the bug only occurs under certain environmentally conditions that can not be adequately replicated in-house. With that in mind, it is important to build some sort of diagnostic framework into your product. What types of built-in diagnostic tools have you used or seen used? Logging seems to be the predominate method, which makes sense. We have a fairly sophisticated logging frame work in place with different levels of verbosity and the ability to filter on specific modules (actually we can filter down to the granularity of a single file). Error logs are placed strategically to manufacture a pretty good representation of a stack trace when an error occurs. We don't have the luxury of 10 million terabytes of disk space since I work on embedded platforms, so we have two ways of getting them off the system: a serial port and a syslog server. However, an issue we run into sometimes is actually getting the user to turn the logs on. Our current framework often requires some user interaction.

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• How do I fix gnome shell themes?

  - by Chris

  This is my fifth full format and install of Ubuntu in under a month. I finally have my Gnome 3 desktop working again, but again, the Gnome shell themes is not select-able. I have asked the question of how to fix this common issue before, but I have seen no positive resolution. Does anybody know of a simple fix? This is a common issue and I have seen hundreds of postings related to it, but other users only seem to get half-way answers also and it goes unresolved. Would it be advisable to completely purge Gnome desktop and reinstall? If so how would I do this? I cannot use any extensions if the shell is not working, so I am desperately seeking resolution for the issue. Thanks in advance.

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• How to choose a development method?

  - by Martin

  There are many academic/industrial researchs about various development methods (Scrum, XP, waterfall, ect.), telling us how to do it right and stuff. But I never saw something that suggest how to choose a method, what will be better for a given project. I know that what the developers are used to is an very important aspect. But lets say that I am assembling a new group from scratch, and that every programmer in the world is willing to work with me. :) What aspects of the project should I consider to decide between Scrum, XP, TDD, ect.? Or is that an entirely human thing, regardless of what is being developed? I said that all programmers are available, but you may comment they're knowledge about the domain, or other characteristics in the answers. E.g. "If you chose to hire people with no domain knowledge, MethodX is better than MathodY, beacause ...." is a completely welcomed answer.

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• Programming Interview Question [duplicate]

  - by user136494

  This question already has an answer here: How to prepare yourself for programming interview questions? [duplicate] 6 answers I have an upcoming interview in a couple of days and had a question for you guys. I've heard that programming interviews have whiteboard problems where you solve a simple problem on a whiteboard. My question to you is? How many whiteboard problems do you have to solve? Is there more than 1? What are examples of whiteboard problems? Is FizzBuzz one of them? Where can I find practice problems for them? Anyone know of any good web sites?

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• Games for the Brain [Brain Teasers Game Site]

  - by Asian Angel

  Are you looking for a great collection of fun games to play at work or home? Then the ‘Games for the Brain’ website is definitely worth bookmarking in your favorite browser! This terrific collection of brain teasers is the perfect way to relax, have fun, and each one only take a few minutes to complete (if you are pressed for time). Games for the Brain Game Homepage [via StumbleUpon] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Unity Occlusion Portals: What and How?

  - by Nick Wiggill

  (Here I eat my words on Meta about posting Unity questions on Unity Answers... since that site is less responsive than this one.) Unity provides cell-based Occlusion Culling (via Umbra, I believe). However, a newer feature that it supports is Occlusion Portals. The question is, if BSP-based occlusion culling is already a feature of Unity, what do portals add, and how? PS. This question is not "What are portals?" -- I'm aware of the original Quake BSP-style portals -- which is partly why I find the explicit portal concept in Unity odd, since it uses BSP anyway.

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• How do I explain the importance of NUNIT Test cases to my Colleagues [duplicate]

  - by JNL

  This question already has an answer here: How to explain the value of unit testing 6 answers I am currently working in Software Development for applications including lot of Mathematical Calculations. As a result there are lot of test cases that we need to consider. We donot have any NUNIT Test case system, I am wonderring how should I get the advantages of implementing the NUNIT testing in front of my colleagues and my boss. I am pretty sure, it would be of great help for our team. Any help regarding the same, will be higly appreciated.

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• How to write a network game? [closed]

  - by Tom Wijsman

  Based on Why is so hard to develop a MMO?: Networked game development is not trivial; there are large obstacles to overcome in not only latency, but cheat prevention, state management and load balancing. If you're not experienced with writing a networked game, this is going to be a difficult learning exercise. I know the theory about sockets, servers, clients, protocols, connections and such things. Now I wonder how one can learn to write a network game: How to balance load problems? How to manage the game state? How to keep things synchronized? How to protect the communication and client from reverse engineering? How to work around latency problems? Which things should be computed local and which things on the server? ... Are there any good books, tutorials, sites, interesting articles or other questions regarding this? I'm looking for broad answers, but specific ones are fine too to learn the difference.

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• What is the advantage to using a factor of 1024 instead of 1000 for disk size units?

  - by Joe Z.

  When considering the disk space of a storage medium, normally the computer or operating system will represent it in terms of powers of 1024 - a kilobyte is 1,024 bytes, a megabyte is 1,048,576 bytes, a gigabyte is 1,073,741,824 bytes, and so on. But I don't see any practical reason why this convention was adopted. Usually when disk size is represented in kilo-, mega-, or giga-bytes, it has to be converted into decimal first. In places where a power-of-two byte count actually matters (like the block size on a file system), the size is given in bytes anyway (e.g. 4096 bytes). Was it just a little aesthetic novelty that computer makers decided to adopt, but storage medium vendors decided to disregard? Whenever you buy a hard drive, there's always a disclaimer nowadays that says "One gigabyte means one billion bytes". It would feel like using the binary definition of "gigabyte" would artificially inflate the byte count of a device, making drive-makers have to pack 1.1 terabytes into a drive in order to have it show up as "1 TB", or to simply pack 1 terabyte in and have it show up as "931 GB" (and most of them do the latter). Some people have decided to use units like "KiB" or "MiB" in favour of "KB" and "MB" in order to distinguish the two. But is there any merit to the binary prefixes in the first place? There's probably a bit of old history I'm not aware of on this topic, and if there is, I'm looking for somebody to explain it. (Apologies if this is in the wrong place. I felt that a question on best practice might belong here, but I have faith that it will be migrated to the right place if it's incorrect.)

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• Oracle Data Integrator Demo Webcast - Next Webcast - November 21st, 2013

  - by Javier Puerta

  Oracle Data Integrator Demo Webcast Next Webcast - November 21st, 2013 The ODI Product Management team will be hosting a demonstration webcast of Oracle Data Integrator regularly. We will be showing baseline functionality, and covering special topics as requested by our customers. Attendance to these webcasts is open to customers and partners Webcast Format The same format for the Webcast will be followed for each presentation: 05 minutes - Background & Overview 30 minutes - Introduction to ODI Features 15 minutes - Drill-Down into Special Topics 10 minutes - Questions and Answers Next Webcast Special Topics Oracle Data Integrator 12c Webcast Details Thursday November 21st 2013, 10:00 AM PST | 1:00 PM EST | 6:00 PM CET (1 hour) Web Conference Link: 594 942 837 (https://oracleconferencing.webex.com) Dial-In Number: AMER: 1-866-682-4770 (More Numbers) Phone Meeting ID/Passcode: 3096713/505638 More information on Oracle Data Integrator (ODI) Learn more about Oracle Data Integrator. Download Oracle Data Integrator 12c. Oracle Data Integrator Webcast Archive Copyright © 2013, Oracle. All rights reserved. Contact Us | Legal Notices and Terms of Use | Privacy Statement

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• Find the latest file by modified date

  - by Rich

  If I want to find the latest file (mtime) in a (big) directory containing subdirectories, how would I do it? Lots of posts I've found suggest some variation of ls -lt | head (amusingly, many suggest ls -ltr | tail which is the same but less efficient) which is fine unless you have subdirectories (I do). Then again, you could find . -type f -exec ls -lt \{\} \+ | head which will definitely do the trick for as many files as can be specified by one command, i.e. if you have a big directory, -exec...\+ will issue separate commands; therefore each group will be sorted by ls within itself but not over the total set; the head will therefore pick up the lastest entry of the first batch. Any answers?

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• TellagoStudio's presenting SOA Governance on the Microsoft platform using SO-Aware at Microsoft TechReady.

  - by Vishal

  Hi there, Microsoft is hosting the first edition of their annual TechReddy conference. TechReady is an internal Microsoft conference but Microsoft invited Tellago Studios to present a session about how to enable Agile SOA Governance on the Microsoft platform using our recently release product: SO-Aware. As part of our session, we will take a look at the current challenges that organizations face when enabling SOA governance capabilities on the Microsoft platform and how organizations can benefit from  more agile, lightweight and modern SOA governance models. The session will provide a practical view to the role of Tellago Studios' SO-Aware as an essential technology to enable native SOA governance on the Microsoft platform. We will explore in detail important capabilities of SO-Aware such as Centralized service repository Centralized configuration management Service testing Monitoring Transparent integration with technologies such as Visual Studio, BizTalk Server, Windows Server & Azure AppFabric among many others But the fun doesn't stop there..... As part of this session, we will showcase for the first time our upcoming SO-Aware Test Workbench product which enables load and functional web service testing capabilities on the Microsoft technology stack. SO-Aware Test Workbench provides developers with a visually rich environment to model and control the execution of load and functional tests in a SOA infrastructure. This tool includes the first native WCF load testing engine allowing developers to transparently load test applications built on Microsoft's service oriented technologies such as WCF, BizTalk Server or the Windows Server or Azure AppFabric.

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• INNOVATIONS IN PRODUCTS – Partner Briefing PROGRAM - October 1st

  - by Mike.Hallett(at)Oracle-BI&EPM

  Partners are invited to join the Innovations in Products webcast, October 1st: 4:00pm CET /5:00pm UK BI & EPM Product breakout Webcast sessions available on October 1st: Topics Speaker To Register Oracle Endeca Information Discovery, Product Overview Emma Palii, BI Sales Consultant CLICK HERE Hyperion Project Financial Planning, Measure the full financial impacts of your Projects Olivier Bernard, EPM Business Solutions Director CLICK HERE To see the full list of session topics, goto the overall registration page Innovations in Products October 1st.    To access the previously presented Applications, and Public-Sector Value Proposition presentations, please click here. Delivery Format: 1 Hour Webcast The Innovations in Products program is a series of Oracle product presentations followed by live Q&A.  It will be delivered over the Web.  Partner Participants have the opportunity to submit questions during the web cast via chat and subject matter experts will provide verbal answers live. For further information please contact Markku Rouhiainen.  

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• Real-time chat in Ruby on Rails

  - by Skydreamer

  First, I'm sorry because I know this question has been asked many times but I'm still looking forward to finding the answer to my problem. I'd want to implement a Real-time chat for my Rails app but I can't really host the server which handles the sockets. I've tried Faye but it needs a server. I've also heard of pusher but it's limited to 20 users at a time on the chat and I can't really be sure they won't be more. I've thought of irc but I think I can't really embed it into a rails app, maybe it needs sockets... So here's my problem, can I implement a real-time chat without owning a server ? What can you advice me ? Thank you for your answers.

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• How to reset the Xorg / xserver?

  - by thomas

  xserver keeps crashing on my general user account both in unity 3d and 2d. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is going to fix it. Most answers on this involve sudo dpkg-reconfigure xserver-xorg. However, this does nothing for me (generates no output) and I read in other forums, that it's deprecated. So, what's the current way to reset all xserver / xorg options; what's the alternative to sudo dpkg-reconfigure xserver-xorg ? Thanks Edit: X crashes during work, not before login or so. And the effect of a crash is, that I get thrown out of the session, not a freeze or machine crash.

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• C++ Numerical Recipes &ndash; A New Adventure!

  - by JoshReuben

  I am about to embark on a great journey – over the next 6 weeks I plan to read through C++ Numerical Recipes 3rd edition http://amzn.to/YtdpkS I'll be reading this with an eye to C++ AMP, thinking about implementing the suitable subset (non-recursive, additive, commutative) to run on the GPU. APIs supporting HPC, GPGPU or MapReduce are all useful – providing you have the ability to choose the correct algorithm to leverage on them. I really think this is the most fascinating area of programming – a lot more exciting than LOB CRUD !!! When you think about it , everything is a function – we categorize & we extrapolate. As abstractions get higher & less leaky, sooner or later information systems programming will become a non-programmer task – you will be using WYSIWYG designers to build: GUIs MVVM service mapping & virtualization workflows ORM Entity relations In the data source SharePoint / LightSwitch are not there yet, but every iteration gets closer. For information workers, managed code is a race to the bottom. As MS futures are a bit shaky right now, the provider agnostic nature & higher barriers of entry of both C++ & Numerical Analysis seem like a rational choice to me. Its also fascinating – stepping outside the box. This is not the first time I've delved into numerical analysis. 6 months ago I read Numerical methods with Applications, which can be found for free online: http://nm.mathforcollege.com/ 2 years ago I learned the .NET Extreme Optimization library www.extremeoptimization.com – not bad 2.5 years ago I read Schaums Numerical Analysis book http://amzn.to/V5yuLI - not an easy read, as topics jump back & forth across chapters: 3 years ago I read Practical Numerical Methods with C# http://amzn.to/V5yCL9 (which is a toy learning language for this kind of stuff) I also read through AI a Modern Approach 3rd edition END to END http://amzn.to/V5yQSp - this took me a few years but was the most rewarding experience. I'll post progress updates – see you on the other side !

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