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• Google I/O 2012 - Fast UIs for the Cross-Device Web

  Google I/O 2012 - Fast UIs for the Cross-Device Web Boris Smus One of the great features of the modern web is that sites work on any device with a browser. This session will focus on creating UIs for the cross-device web. We will cover building web sites that support multiple device form factors (responsive and non-responsive approaches), discuss single page sites and some of the layout features in modern mobile browsers, and do a deep dive into multi-touch input on the web. Finally, we'll show some of the awesome new mobile debugging tools in Chrome and Chrome for Android. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 105 3 ratings Time: 49:31 More in Science & Technology

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• Boot splash broken by "SP5100 TCO timer: mmio address 0xyyyyyyy already in use"

  - by mogliii

  I have ubuntu 11.04 with all the latest updates. I have an ATI HD 4350 graphics card and the "ATI/AMD proprietary FGLRX graphics driver" activated. The reported behaviour does not affect the functionality, its just an optical thing. When I booted up using the desktop CD, the ubuntu boot splash was shown correctly in high resolution. Now after installation with FGLRX the dipsplay is broken (see picture). http://img824.imageshack.us/img824/7269/tcotimer.jpg This is what can be found in dmesg [ 8.621803] SP5100 TCO timer: SP5100 TCO WatchDog Timer Driver v0.01 [ 8.621967] SP5100 TCO timer: mmio address 0xfec000f0 already in use [ 8.622650] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel. [ 8.622656] Disabling lock debugging due to kernel taint This is what MMIO means: https://en.wikipedia.org/wiki/Memory-mapped_I/O Any idea how to get back the high-res splash?

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• VMPlayer does not flush all outputs to serial port

  - by eddyxu

  I am debugging a Linux kernel in the VMPlayer on Ubuntu 12.04 configured a serial port to a file to see the debug information. However, each time when the kernel panics, only the backtrace stack were printed out instead of all the booting messages. This does not happend on VMPlayer Fusion. My .vmx file: serial1.present = "TRUE" serial1.fileType = "file" serial1.fileName = "~/tmp/serial.out" serial1.startConnected = "TRUE" msg.serial.file.open = "Replace" serial1.yieldOnMsrRead = "TRUE" My /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT="quiet" GRUB_CMDLINE_LINUX="find_preseed=/preseed.cfg noprompt console=tty0 console=ttyS1,115200n8" How could I flush every message to both tty0 and ttyS1?

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• Free E-Book - Testing for Continuous Delivery with Visual Studio 2012

  - by TATWORTH

  Originally posted on: http://geekswithblogs.net/TATWORTH/archive/2013/11/05/free-e-book---testing-for-continuous-delivery-with-visual-studio.aspx At http://msdn.microsoft.com/en-us/library/jj159345.aspx, Microsoft Press are offering the free e-Book, Testing for Continuous Delivery with Visual Studio 2012. "As more software projects adopt a continuous delivery cycle, testing threatens to be the bottleneck in the process. Agile development frequently revisits each part of the source code, but every change requires a re-test of the product. While the skills of the manual tester are vital, purely manual testing can't keep up. Visual Studio 2012 provides many features that remove roadblocks in the testing and debugging process and also help speed up and automate re-testing. " (Please ignore the click to look inside!)

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• What Would You Consider Best Practice Workflow Tools For Web Application (PHP) Development?

  - by Zenph

  I'm really hoping somebody with more experience can edit the question as per my examples of answers: • using version control • test driven development • debugging code (xdebug for php) • use of UML diagrams • use of OOP for maintainable, reusable code • use of frameworks (like Zend Framework for php) for rapid application development Anything else or an elaboration of what I mentioned above? Basically, I'm in the middle of forming a team of developers (I'm a developer myself) and I'd like some advice on how professional programmers/designers etc should work together and what standards/paradigms they should use. Also, if anybody has any books or links on the subject I'd welcome that! I did find this which I guess satisfies what I'm looking for, or at least part thereof: http://www.ibm.com/developerworks/websphere/library/techarticles/0306_perks/perks2.html

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• XNA: Runtime differences in ClickOnce install versus development version

  - by Sean Colombo

  I have a game written in XNA, and I use ClickOnce installers to distribute the game to testers. I keep once computer as a test machine which does NOT have development environments installed, so that I can test the installed version. We've found a reproducible bug in our game, but the bug ONLY occurs on the non-development machines that use the ClickOnce installer. The bug is related to some of our code for moving around 3D objects and is not tied to Networking or GamerServices. Are there known differences in the ClickOnce runtime and the version on dev? Are there any best-practices for debugging something like this?

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• Reboot only shuts down and doesn't actually boot again

  - by PherricOxide

  I'm running a fresh install of Ubuntu 12.04 Server on an abmx rack mount server. When I attempt to reboot with sudo shutdown -r now, the machine just shuts down and doesn't come back up without me manually pressing the power button. The output of last -x, runlevel (to lvl 2) 3.2.0-29-generic Wed Oct 31 14:32 - 14:37 (00:05) reboot system boot 3.2.0-29-generic Wed Oct 31 14:32 - 14:37 (00:05) shutdown system down 3.2.0-29-generic Wed Oct 31 14:30 - 14:32 (00:02) runlevel (to lvl 6) 3.2.0-29-generic Wed Oct 31 14:30 - 14:30 (00:00) This appears to show that the system rebooted, but it went dark (no power lights, BIOS, etc) and I had to go press the power button in order to make it boot back up. The machine does have some sort of Intel Boot Agent that usually appears before the BIOS, I'm wondering if it could be causing this. I'm not sure what information is useful for debugging this, but I put the output of lshw in http://pastebin.com/mBy72kTQ

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• File system layout for multiple build targets

  - by Yttrill

  I am seeking some ideas for how to build and install software with some parameters. These including target OS, target platform CPU details, debugging variant, etc. Some parts of the install are shared, such as documentation and many platform independent files, others are not, such as 64 and 32 bit libraries when these are separated and not together in a multi-arch library. On big networked platforms one often has multiple computers sharing some large server space, so there is actually cause to have even Windows and Unix binaries on the same disk. My product has already fixed an install philosophy of $INSTALL_ROOT/genericname/version/ so that multiple versions can coexist. The question is: how to manage the layout of all the other stuff?

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• Oct 15 in Oslo - SharePoint 2013 Day - a rundown of everything SP2013

  - by Sahil Malik

  SharePoint 2010 Training: more information A full day of a fun filled overview of what is new in SharePoint 2013, mixed in with some good food, chit chat, and lots of learning. Seriously, there is so much information about SharePoint 2013, wouldn’t it be nice if someone distilled that to – “What it means for you”?Where do you start, how do you go about learning? And most importantly, talk about the practical side of things when it comes to implementing and debugging much of this? If you are an IT Pro or a Developer working with SharePoint, with interest in SharePoint 2013, you would find this event extremely interesting. You can find the full outline at the registration link, but here are some details, Read full article ....

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• Is it bad form to stage a function's steps in intermediate variables (let bindings)?

  - by octopusgrabbus

  I find I tend to need intermediate variables. In Clojure that's in the form of let bindings, like cmp-result-1 and cmp-result-2 in the following function. (defn str-cmp "Takes two strings and compares them. Returns the string if a match; and nil if not." [str-1 str-2 start-pos substr-len] (let [cmp-result-1 (subs str-1 start-pos substr-len) cmp-result-2 (subs str-2 start-pos substr-len)] (compare cmp-result-1 cmp-result-2))) I could re-write this function without them, but to me, the function's purpose looks clearer. I tend to do this quite in a bit in my main, and that is primarily for debugging purposes, so I can pass a variable to print out intermediate output. Is this bad form, and, if so, why? Thanks.

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• Independent contractors posting projects to their portfolio

  - by Yuji Tomita

  I'm about to hire freelance contractors to do small pieces of my web projects. Is it standard to allow them to put the project on their portfolio? Say a simple debugging task getting a specific mobile problem fixed in <5 hours. I'm just concerned as it could potentially dilute my company's portfolio by having it listed by each contractor when in fact the majority of work is done by me. I'm trying to build a portfolio here as an agency. I think it's a risk for my company since I'm working hard to get clients and the whole point is putting projects on my portfolio. Am I wrong here? Is there an standard policy for this? Perhaps a limited policy whereby attribution is required to the agency? Did exactly X for agency Y (link).

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• take my Java skills to the next level

  - by waingram

  I am well versed in the basics of Java programming, although through most of my career I have been maintaining, upgrading, and debugging someone else's Java code. I am mainly familiar with basic servlet applications. I have a strong beginner knowledge of Maven and Ant. I have more web development with Ruby on Rails, but would like to bring my Java skills up to par with regard to web development. It seems the world of Java is so big, I have no idea what the next logical step is for me. Spring? JAX-RB? EJBs? What is the next logical step for someone like me and how would you recommend I approach it?

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• Where is a Web Development Career fueled by Passion?

  - by JMC Creative

  Quick Background Since learning basic html 5 years ago, I've become completely obsessed with the technology, the logic, and the thrill of solving problems involved with building websites. I am still stuck at a thoroughly non-programming type job, but would really like to move into the field of web programming/design. I have no educational background in the field (was trained as a fine artist and tutor), but in the past few years have progressed fully self-taught (and self-motivated) from html to css to php, mysql, jquery, and am now building rich web applications. The Question How can I prove to a company that even though I have no education, I have a passion to learn whatever is thrown my way? ...That essentially I would come at every issue with not only knowledge, but with a passionate desire to solve it, whether that means tackling a new language or debugging code for hours at a time? p.s. Sorry for the stupid title.

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• When it's more productive to build your own framework than using an existing one?

  - by Pierre 303

  I would like to know why you decided to build your own framework in your company. By framework, I don't mean few libraries you use often. I mean a specific way of building applications on top of it, with base classes, convention, etc. So why did you built your own framework? How could you justify that to the person that employs you. Have you measure the positive and negative impact of it? Regarding your experiences, did you notice that in some case a company framework produced real benefits, or on the other hand, increased costs of development (learning curve, debugging, maintenance, ...)?

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• Broken package ubuntuone-control-panel-qt

  - by baale7

  An interrupted installation of updates resulted in ubuntuone-control-panel-qt breaking and now I cannot install or update anything. There seems to be an error in python2.7 - ImportError: No module named _sysconfigdata_nd dpkg: error processing archive ubuntuone-control-panel-qt_13.09-0ubuntu1_all.deb (--install): When I try to reinstall the package via .deb a dpkg --audit yields: The following packages are in a mess due to serious problems during installation. They must be reinstalled for them (and any packages that depend on them) to function properly: ?python-pexpect Python module for automating interactive applications ?ubuntuone-control-panel-qt Ubuntu One Control Panel - Qt frontend ?hplip-data HP Linux Printing and Imaging - data files ?python-libxml2 Python bindings for the GNOME XML library ?apport automatically generate crash reports for debugging The following packages are only half configured, probably due to problems configuring them the first time. The configuration should be retried using dpkg --configure or the configure menu option in dselect: ?python-ubuntuone-client Ubuntu One client Python libraries ?python-ubuntuone-control-panel Ubuntu One Control Panel - Python Libraries --configure or --configure -a doesn't work Any help?

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• Dump an arbitrary object To Html String

  - by Michael Freidgeim

  For debugging purposes me and my collegue wanted to dump details of the arbitrary object, and created function that uses LINQPad Dump functionality (thanks to http://stackoverflow.com/a/6035014/52277 and original http://linqpad.uservoice.com/forums/18302-linqpad-feature-suggestions/suggestions/447166-make-dump-extension-method-available-in-visual-s discussion)    public static string DumpToHtmlString<T>(this T objectToSerialize)        {            string strHTML = "";            try            {                var writer = LINQPad.Util.CreateXhtmlWriter(true);                writer.Write(objectToSerialize);                strHTML = writer.ToString();            }            catch (Exception exc)            {                Debug.Assert(false, "Investigate why ?" + exc);            }            return strHTML;        }You will need to add the linqpad executable as a reference in your project.TO DO similar in plain text ,look at https://github.com/ServiceStack/ServiceStack.Text StringExtensions , e.g. JsonSerializer/CsvSerializer or http://objectdumper.codeplex.com/

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• Futures/Monads vs Events

  - by c69

  So, the question is quite simple: in an application framework, when performance impact can be ignored (10-20 events per second at max), what is more maintainable and flexible to use as a preferred medium for communication between modules - Events or Futures/Promices/Monads ? Its often being said, that Events (pub/sub, mediator) allow loose-coupling and thus - more maintainable app... My experience deny this: once you have more that 20+ events - debugging becomes hard, and so is refactoring - because it is very hard to see: who, when and why uses what. Promices (i'm coding in javascript) are much uglier and dumber, than Events. But: you can clearly see connections between function calls, so application logic becomes more straight-forward. What i'm afraid. though, is that Promices will bring more hard-coupling with them... p.s: the answer does not have to be based on JS, experience from other functional languages is much welcome.

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• Which API for cross platform mobile audio?

  - by deft_code

  This question focuses on the API's available on phones. I'd been planning to use OpenAL in my game for maximum portability. It runs great on Linux so I can quickly develop the Game and leverage it's superior debugging tools. However I've recently heard that Android doesn't support OpenAL well. Instead they've gone with a OpenSL ES library. What I'm looking for is a free Audio library that I can use with minimal custom code on iPhone, Android, and my Linux desktop. Does such an API exists? Some extra details: The game is written in C++ with custom minimal front ends. ObjC for iPhone, Java for Android, and SFML for Desktops. I'm using OpenGL ES for portability as iPhone doesn't support the more advanced OpenGL APIs.

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• Connection timed out when connecting to a website (ubuntu only)

  - by S.C.

  I've been struggling with these problem for months. It happens randomly and it happens on Ubuntu only (12.04). It's about my hosted company website. Some facts: I can ping it I can traceroute it I can dig it I can make a nslookup But whenever I try to open it in Chrome it won't open. I also tried using polipo but got same connection time out issue. I'm connected through a LAN network and I'm experiencing no problem with any other website. Is there a more accurate debugging technique I'm missing other than pinging/tracerouting, etc.?

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• Canon Pixma MP150 printer stops before the job is done

  - by aserwin

  I have a Canon Pixma MP150. It's old but it still works well. The problem is that since I have been running Ubuntu 12.04 the printer exhibits odd behavior. Usually right at the end of a job, it will stop. The printing is done, but the printer is still "working" and it won't release the paper. If I pull it out and test the printer, it will start over and print the same job. Once I just let it be and about an hour or so later it finished with no problems. My question is, could the be an issue with the printer (it is old) or is it the drivers in Ubuntu? Any advice (or suggestions on debugging) would be greatly appreciated as I print a lot and don't really want to buy a new printer.

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• php file upload problem [closed]

  - by newcomer

  This code works properly in my localhost. I am using xampp 1.7.3. but when I put it in the live server it shows Possible file upload attack!. 'upload/' is the folder under 'public_html' folder on the server. I can upload files via other script in that directory. <?php $uploaddir = '/upload/';//I used C:/xampp/htdocs/upload/ in localhost. is it correct here? $uploadfile = $uploaddir . basename($_FILES['file_0']['name']); echo '<pre>'; if (move_uploaded_file($_FILES['file_0']['tmp_name'], $uploadfile)) { echo "File is valid, and was successfully uploaded.\\n"; } else { echo "Possible file upload attack!\\n"; } echo 'Here is some more debugging info:'; print_r($_FILES); print "</pre>"; ?>

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• Setting Up and Using a WebLogic Cluster –Webcast October 17th 2012

  - by JuergenKress

  Date and time: Wednesday, October 17, 2012 8:00 am Pacific Daylight Time (San Francisco, GMT-07:00) Change time zone Wednesday, October 17, 2012 4:00 pm GMT Summer Time (London, GMT+01:00) Wednesday, October 17, 2012 11:00 am Eastern Daylight Time (New York, GMT-04:00) Wednesday, October 17, 2012 8:00 am Pacific Daylight Time (San Francisco, GMT-07:00) Duration: 1 hour Description: This one-hour session is recommended for administrators and developpers who work with Oracle Weblogic Server. The focus in this presentation and demos is to go through entire cycle of cluster configuration, best practices and troubleshooting capabilities. * Configuration * Best practices * Troubleshooting and Debugging capabilities Details and registration WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic Cluster,education,ExaLogic,Exalogic training,training,Exalogic roadmap,exalogic installation,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Where can work-at-home coders go to find other coders to real-time chat with and get support like they were on a large team at an established company?

  - by cypherblue

  I used to work in an office surrounded by a large team of programmers where we all used the same languages and had different expertises. Now that I am on my own forming a startup at home, my productivity is suffering because I miss having people I can talk to for specific help, inspiration and reality checks when working on a coding problem. I don't have access to business incubators or shared (co-working) office spaces for startups so I need to chat with people virtually. Where can I go for real-time chat with other programmers and developers (currently I'm looking for people developing for the web, javascript and python) for live debugging and problem-solving of the tasks I am working on? And what other resources can I use to get fellow programmer support?

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• Chrome Mobile: The Mobile Web Developers Toolkit (Part 2)

  Chrome Mobile: The Mobile Web Developers Toolkit (Part 2) Building for mobile web requires a different mindset than desktop web development, and a different set of tools. The tools we're used to using often aren't available or would take up too much screen real estate. And going back to the dark ages of tweak/save/deploy/test/repeat isn't exactly optimal, so what can we do? Thankfully there are a number of great options - from remote debugging to emulation, mobile browsers are offering more and more tools to make our lives easier. We'll take a look at a couple of tools that you can use today to make cross platform mobile web development easier and then peer into the crystal ball to see what tools may bring in the future. Join us for Part 2 - as we take a look at a some of the many tools to make testing the mobile web easier. From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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• What's the reason exceptions are heavily used in managed (C# and Java) languages but not in C++? [on hold]

  - by ZijingWu

  AFAIK, a lot of C++ projects don't allow exceptions and deny them in coding guidelines. I have a lot of reasons, for example, exception is hard to handle correctly if your binary needs to be compiled by separate and different compilers. But it doesn't fully convince me, there is a lot of projects which are just using one compiler. Compared to C++, exceptions are heavily used in C# and Java and the reason can only be that exception are not bringing enough benefit. One point is debugbility in practice. Exception can not get the call stack in C++ code, but in C# and Java you can get the call stack from exception, it is significant and makes debugging easier. No-callstack is not the fault of the exception, it is the language difference, but it impacts the exception usage. So what's the reason that exceptions are frowned upon in c++ programs?

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