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• Current iOS version/device statistics?

  - by hotpaw2

  The answer to this SO question has become stale: iOS version/device statistics - where can i find? because time currency wasn't part of that question, and iOS version updates have been release since this question was asked. Is there a web site or other publicly available source which keeps a current or frequently updated list of the percentages of iOS devices and OS versions in use, perhaps by continual monitoring of app analytics or web site logs or other means? And what device or OS information are iOS app analytics currently allowed to report, if any? (...assuming an appropriate privacy policy and adhering to such, of course.)

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• Independent projects as a student to show off abilities

  - by tufcat

  I'm an inexperienced student (having learned up to data structures and algorithms through various online resources) of computer science, and I'm hoping to get a job as a developer some time after I've gotten a few independent projects done. My question is, how should I choose which projects to work on? I've been looking around stackoverflow-- people usually say to pick whatever you're interested in, but I don't have enough experience to even know what specifically I'm interested in, and possibly more importantly, I don't know what some common beginner project types are. Essentially, I'm at the gap between course work (and the projects entailed in those classes) and real programming, and I don't quite know how to start. If any of you have any ideas, I'd really appreciate it.

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• Is it time to drop Courier from your monospace font stacks?

  - by Jeff

  I've been fine-tuning my font stacks lately and was wondering if it's safe to drop Courier from my monospace font stack yet? Would you feel comfortable dropping it? Of course, monospace is my final fallback. Note 1: OS Testbed: WinXP, WinVista, Win7, iPhone, iPad Based on my research, these browsers now substitute Courier New for Courier by default: IE9+ Chrome 2+ Firefox 10+ Safari 3.1+ iDevices Note 2: The default "font-family: monospace;" renders as Courier New in every browser I've tested, from IE6 through the latest iPhone/iPad devices. EDIT: One exception is Opera 12, which renders Consolas on Win. Opera 10 renders Courier New. Note 3: I've noticed that Courier refuses to render with any font smoothing (anti-aliasing) in any browser I've tested, regardless of system and/or browser display settings. Probably because it's an old bitmap font. This could be because of my system setup, however.

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• Has programming ruined your perception of round numbers?

  - by Jon Purdy

  Most of the world works in base 10 nowadays, but as programmers working on binary systems, we constantly find ourselves working with powers of 2. While most people consider integer multiples of powers of 10 "nice and round" and somehow aesthetically superior, I found early on in my programming adventures that multiples of powers of 2 feel much more intuitively round to me: fewer factors, of course. I'm much more likely to lay out a Web site using, say, 8- or 16-pixel margins rather than 10 or 20, and when someone remarks that 128 is an insanely arbitrary number of ounces to be in a gallon, I have to smile a little inside at how, just perhaps, the U.S. system might be superior to metric in one small way. I'm just curious: has programming ruined (read: altered) your perception of the roundness of a number?

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• how difficult to add vibration/feedback to a open source driving game

  - by Jonathan Day

  Hi, I'm looking to use SuperTuxKart as a basis for a PhD research project. A key requirement for the game is to provide vibration feedback through the controller (obviously dependant on the controller itself). I don't believe that the game currently includes this feature and I'm trying to get a feel for how big a challenge it would be to add. My background is as a J2EE and PHP developer/architect, so I don't know C++ as such, but am prepared to give it a crack if there are resources and guides to assist, and it's not a herculean task. Alternatively, if you know of any open source games that do include vibration feedback, please feel free to let me know! Preferably the game would be of the style that the player had to navigate a character (or character's vehicle) over a repeatable course/map. TIA, JD

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• How to Shoot Liquid Flows [Photography]

  - by Jason Fitzpatrick

  If you thought water drops frozen in time were neat, this tutorial shows you how to capture the flow of colored liquids dropped into water–the effects are quite eye catching. The process combines a small tank of water, heavy cream with dye mixed in, and of course some off-camera flashes and a DSLR. Hit up the link below to see the full setup and some beautiful photos. How To Shoot a Liquid Flow [DIYPhotography] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Deformation of Sphere using Transformations

  - by Mert Toka

  I have a graphic related question. I need to have a transformation matrix that I have no idea about what it is. The problem is to create right image from the right sphere. I created those images in Maya, but I need some matrices for the graphics course. Here is the image: Our professor told us to use some sine and cosine in our transformations, but I have no idea what he meant. I thought of intersecting a plane from the grid(that is xz plane) and sphere, and then scaling down the resulting circle. Would that work? I also checked this paper, however it looks like a bit advanced for me. Another thing is I guess that paper is not about the same type of information I was looking for. It would be great if you could help me.

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• Apple New Year alarm bug cause

  - by StasM

  As many people know, Apple has a bug in their iPhone that prevented alarms from going off at 1st and 2nd of January 2011. What is strange is how that bug might happen - i.e., as far as I know this bug happens in all timezones and nobody is switching off DST on Jan 1st, so it's not timezone or DST-related. Also, Jan 1st seems to be nothing special as a UNIX timestamp, so something like sign change or integer overflow can't be the reason. It is highly improbably that alarm code has something like if(date == JANUARY_1_2011 || date == JANUARY_2_2011) turn_alarms_off(); - that would be a sabotage and not a bug. So the question is - could you imagine and describe a bug that would cause the alarm to fail exactly at Jan 1st and 2nd everywhere while letting it work otherwise, without specifically referring to those exact dates? Of course, if somebody knows the real cause, that would be a definite answer, but if nobody knows it - I think it is interesting to think what might be the cause of such strange bug.

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• Redirecting non existing post to homepage; is that good for SEO?

  - by BlackEagle

  I am checking my website out on Google Webmasters and I am seeing an astonishing 5000 links that could not be found by Google's Crawlers. That's normal, because my website is built in a manner that users can drop their own things, which also lead to 404 pages. Not a problem at all if I can find a workaround of course... So my question is: what if I made a function or a mod rewrite that will check if the link exists (a post for example) and if not, it will redirect it to the home page. Is this good for SEO? Will Google see this as 'link found'? How do I have to look at this problem?

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• How to guide stakeholder(s) not to get far from the scrum vision?

  - by Saeed Neamati

  Consider this scenario: Stakeholder(s): Let's build a web application to manage user's financial data. Scrum team: Ok, let's do it. . . . After 3 sprints Stakeholder(s): Let's also implement a mailing system, so that when user's financial status is not good, (s)he would be warned. Scrum team: Ok, it's not that hard. We'll do it. . . . After 5 sprints Stakholder(s): Let's become a mailing provider. Here, how should scrum team guide stakeholder to stay inside the scope of scrum vision? Maybe a more fundamental question is, should the at all? Update: Of course there is a product owner. But by scrum team I meant PO, SM, and Team.

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• Make blogger load faster

  - by Wladimir Ivanov

  all. I use blogger as a platform for electronic music blog. Because of the thematics of the blog I embed many iframes (Youtube & Soundcloud). Of course this makes the articles to load slow. Almost each article on this blog consists of some text and many iframes below. What should I do in this particular case in order to make the articles (pages) load faster. Is there any available solution or I should use some jquery like lazy load to load iframes once the scroller reaches them? Any help is greatly appreciated.

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• How can I cleanup a botched Truecrypt installation?

  - by Don F

  I made the mistake of downloading the X64 version of Truecrypt and trying to install it when I'm actually running the 32-bit version of Precise Pangolin. I want to clean up the files that I am unable to use, but of course I can't just run the uninstall since Truecrypt could not be installed in the first place. I am new to this but I have spent some time researching the command line. When I run "locate trucrypt -i" in the terminal I receive several relevant files in the usr/bin and usr/share directories. No "rm" commands work on these listed files--I only get "no such file or directory" back. I'm sure this has something to do with permissions but I don't know what I'm missing here. Why is it I cannot find these files through the GUI (even when I select "show hidden files") or when I try to navigate to these files via the terminal using cd and ls commands? How can I remove these files (they are there aren't they?), one way or another, from my system? Your patience and time are appreciated

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• How to effectively gather info about how players play my HTML5 game?

  - by Bane

  I'm finishing another HTML5 game, and this time I'd like to do some spying business on the players... Mostly just basic stuff: when they are playing, for how long, what upgrades they are buying the most and so on. Now, my first idea was just to collect this information during the gameplay, and then have a Javascript function fire when they close the tab/browser, and said function would send it to my server via Socket.io. This, of course, wouldn't work, because anyone who takes a look at the code would realize it and could start sending a tonne of false info which would mess up my statistics. Questions: Is there a way to effectively do this? If yes, what kind of info should I be looking for, aside from stuff I already mentioned?

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• Oracle Solaris 11 Developer Webinar Series

  - by nospam(at)example.com (Joerg Moellenkamp)

  Starting March 27th a number of events called "Oracle Solaris 11 Developer Webinar Series" (that said, i think they are not only interesting for developers, but for admins as well that support admins in their job) will take place by WebEx/Phone: March 27th: Modern Software Packaging for Enterprise Developers April 10th: Simplify Your Development Environment with Zones, ZFS & More April 24th: Managing Application Services ? Using SMF Manifests in Solaris 11 May 8th: Optimize Your Applications on Oracle Solaris 11: The DTrace Advantage May 22nd: Maximize Application Performance and Reliability on Oracle Solaris 11 June 5th: Writing Oracle Solaris 11 Device Drivers All events start at 9am Pacific Daylight Time (Should be 18:00 in Germany, 17:00 in UK, 01:00 in Tokyo). Of course the events are for free (before someone asks) and available for anyone who signs up. The chat is staffed with Solaris 11 Engineering Experts sitting in to answer questions. And most important: Mostly technical content and the events will be recorded.

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• Google search does not show sub-pages from my website

  - by Chang

  My website appears in Google search, but only the first page. Of course I have sub-pages linked from the first page, but the sub-pages do not show in Google search. Not in Yahoo, not in Bing. What should I do? It has been three years that sub-pages do not show. (I tried searching site:mydomain.com and pressed 'repeat the search with the omitted results included' link) What would you suspect the reason? My website addresses were like xxx.php?yy=zzz etc, etc, so I changed it to /yy/zzz using mod_rewrite. I thought it might be (X)HTML standard violations, so now I changed it. I hope Google will soon have my entire website, but I am a little bit pessimistic. Do you have any thought?

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• Can't boot from liveUSB when trying to install it alongside Windows 7

  - by ali

  I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or LIVE-CD and boots windows 7 (Acer Aspire 4750g) and of course I have set the BIOS priority in the right way. There is one important point to tell that I have installed Fedora 16 on my laptop successfully and now I have it on my system. When I was trying to install Fedora I got some error and searched about it and got this point that I should delete a .efi file and then installation went right. In this case , what should I do to solve the problem? (I also don't need my Fedora anymore).

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• How difficult is it to change from Embedded programming to a high level programming [on hold]

  - by anudeep shetty

  I have a background in Computer Science. I worked on Embedded programming on Linux file systems, after I finished my Bachelor's degree, for over a year. After that I pursued my masters where most of my course choices involved working on web, java and databases. Now I have an offer to work with a company that is offering a job to work on the OS level. The company is pretty good but I am feeling that my Masters has gone to waste. I wanted to know is it common that a Computer Science major works on low-level coding and is there a possibility that I can work in this company for some years and then move onto an opportunity where I can work on high-level coding? Also is working on low-level programming a safe choice in terms of job opportunities?

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• Experience Oracle Database 12 c

  - by Breanne Cooley

  Written by Diana Gray, Principal Curriculum Product Manager, Oracle University Developing your skills with Oracle Database 12c may not be as hard as you think. Oracle’s expert curriculum developers designed curriculum offerings that can help you determine where you are and where you want to go. By looking at our Oracle Database 12c Solution page, you can quickly identify what you’ve taken in the past and what you still might require. Getting up to speed on this new technology is key to being able to access a platform that totally embraces the cloud. These new enhancements will make your job easier as you begin to understand how the new features work together. Get started with Oracle Database 12c by taking the newly released  Oracle Database 12c: New Features for Administrators Self-Study Course After you download the software, see which training and certifications are available. Add well-respected credentials of expertise to your portfolio of learning through Oracle University.

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• Install Ubuntu or Kubuntu?

  - by squallbayu

  I want to upgrade my Ubuntu Lucid to Kubuntu Maverick (with a fresh install of course). I want to try KDE, but I have heard there are slight issues with the native QT applications compared to the GTK application equivalents - such as nvidia-settings, Gimp, Ubuntu Software Centre, and especially th eSynaptic package manager (which in detail showed the administration package / KPackageKit is not powerful yet than synaptic) I believe we can have run GTK+ applications in KDE, but GTK+ applications do not blend with the KDE desktop. Also Java does not provide a GUI for KDE/QT. Should I install Kubuntu (KDE / QT) or stay with ubuntu (GNOME / GTK +)?

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• My Oracle Support Accreditation for E-Business Suite

  - by ChristineS-Oracle

  The My Oracle Support Accreditation Series delivers a targeted learning experience that is designed to increase your expertise with My Oracle Support core functions and build skills to help you leverage Oracle product solutions, tools, and knowledge. The accreditation framework for Oracle E-Business Suite is targeted to customers and partners who actively use My Oracle Support and Oracle E-Business Suite. The content is focused on building skills around best practices, recommendations, and tool enablement – taking your expertise with Oracle E-Business Suite to the next level. The Oracle E-Business Suite course covers:•    Staying informed •    Period Close•    Patching•    Certifications •    Upgrade Advisor•    Reporting  Visit the My Oracle Support Accreditation Index and get started with the Level 1 My Oracle Support Accreditation path and the Level 2 Oracle E-Business Suite learning path today.

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• Learning Programming, Suggestions for a roadmap

  - by RisingSun

  Hi, Some background first- I am new to programming and have discovered it rather late in life; Like many hobbyists, my introduction to the subject has been through php/jquery (yes, i know the popular mood around here... they-are-not-real-programminng-languages ;-) ). I like to believe that I am reasonably competent at what I do in my other life and this developing addiction to coding has taken a very heavy toll on my professional prospects. This is the question: What programming languages next? (No plans to ditch php in the immediate future, that will involve rewriting much of my code) Any absolutely essential books I must read? Is it necessary to join a college/university course? Do I need to ditch my other profession to continue serious learning? My goals are: Develop a solid understanding of the science and art of programming. Continue to work on my own web application (Hands on learning suits me best) I am something of a generalist interested in everything from UI to database performance

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• Is it a waste of time to free resources before I exit a process?

  - by Martin

  Let's consider a fictional program that builds a linked list in the heap, and at the end of the program there is a loop that frees all the nodes, and then exits. For this case let's say the linked list is just 500K of memory, and no special space managing is required. Is that a wast of time, because the OS will do that anyway? Will there be a different behavior later? Is that different according to the OS version? I'm mainly interested in UNIX based systems, but any information will be appreciated. I had today my first lesson in OS course and I'm wondering about that now.

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• Calling all developers building ASP.NET applications

  - by Laila Lotfi

  We know that developers building desktop apps have to contend with memory management issues, and we’d like to learn more about the memory challenges ASP.NET developers are facing. To be more specific, we’re carrying out some exploratory research leading into the next phase of development on ANTS Memory Profiler, and our development team would love to speak to developers building ASP.NET applications. You don’t need to have ever used ANTS profiler – this will be a more general conversation about: - your current site architecture, and how you manage the memory requirements of your applications on your back-end servers and web services. - how you currently diagnose memory leaks and where you do this (production server, or during testing phase, or if you normally manage to get them all during the local development). - what specific memory problems you’ve experienced – if any. Of course, we’ll compensate you for your time with a $50 Amazon voucher (or equivalent in other currencies), and our development team’s undying gratitude. If you’d like to participate, please just drop me a line on [email protected].

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• Exposing SOAP, OData, and JSON Endpoints for RIA Services (Silverlight TV 26)

  In this video, John meets with Deepesh Mohnani from the WCF RIA Services team. Deepesh demonstrates how to expose various endpoints from WCF RIA Services. This is a great explanation and walk through of how to open RIA Services domain services to clients, including: Silverlight clients (of course) Creating an OData endpoint and showing how Excel can use it Creating a SOAP endpoint to a domain service and using it from a Windows Phone 7 application Creating a JSON endpoint and having...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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• NEW - Oracle Certifications and Documentation Available for Pre-Acquisition Sun/BEA IdM Products

  - by Irina

  If you have been looking for Oracle certification information or documentation for the pre-Acquisition Sun/BEA Identity Management products, you can now find them at the Certifications Central Hub.Use this Hub if you're looking for Sun Identity Management documentation, certified configurations for Waveset, Identity Analytics, OpenSSO, and more. Scroll down, below the bullets, to the bottom of the table to find: Of course, you can still find a great wealth of certification information for current products at this hub, as in the past. Be sure to check before you install! In case you haven't used this page before, notice that you can get to the documentation, certifications and downloads for IdM products by clicking on "Identity Management" in the leftmost pane. In the new screen, you will see each IdM product, along with tabs for Downloads, Documentation, Community, and Learn More. Let us know if you don't find what you are looking for. Happy Trails.

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