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  • Thanks to NxtGenUG Manchester - Hyper-V for Developers presentation now available for download

    - by Liam Westley
    Thanks to Steve and Andy at NxtGenUG Manchester for making me very welcome and for the guys who didn't head down the pub for a Guinness for St Patrick's Day and came to NxtGen instead.  I hope you all got something from the presentation, if not technical insights, at least a can of Guinness of Tunnocks caramel wafer as swag. As promised here is the presentation in both PowerPoint and Adobe PDF format (with speaker notes), http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-ppt.zip http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-pdf.zip Since I gave the presentation Microsoft has released XP Mode (Windows Virtual PC for use under Windows 7) without the requirement for hardware virtualisation. Read more about that here, http://blogs.msdn.com/Virtual_PC_Guy/ For anyone who has seen this presentation at other user groups, there is a new section at the end of the presentation dealing with the various networking configurations under Hyper-V; not connected, private network, internal network and external network.  This includes details of what these mean, and a Venn diagram to aid understanding of the implications.

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  • Freelancing - Getting paid for the quote or estimate

    - by jah
    It is often necessary to spend time designing a solution, breaking down the design into tasks and sub tasks and estimating the time it will take to complete each task in order to produce a reasonable estimate or quote for a programming task. This process can be a serious investment of time, often without any guarantee that the estimate/quote will be acceptable to the potential client and more often that not the time was 'wasted' with no hope of getting paid for it (in the event of not winning the job). Is it the case that this is a cost of doing business and what can be done to minimise this unpaid time?

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  • Need help choosing between Grails and Yii Framework

    - by user530207
    I recently started on developing in PHP with the Yii Framework. I recently came across the Grails Framework and I'm pretty impressed by the sites they make, bigger companies seem to use Grails for their web development. When looking at yii, not many big companies are using it. I'm just starting out with the Yii framework and I don't want to turn back halfway when in the middle of learning Yii, so I hope someone can give me some comparison about the 2 in terms of power. Does Grails make things much easier and benefit me in the long run? I only have C++ background for now. It boils down to this. I want a powerful framework which will serve me for a very long time and by looking at the number of big companies using Grails, I feel discouraged to take the Yii path. Thank you! Some sites by Grails: http://video.sky.com/ http://espn.go.com/ http://www.atlassian.com/ http://www.linkedin.com/

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  • What to send to server in real time FPS game?

    - by syloc
    What is the right way to tell the position of our local player to the server? Some documents say that it is better to send the inputs whenever they are produced. And some documents say the client sends its position in a fixed interval. With the sending the inputs approach: What should I do if the player is holding down the direction keys? It means I need to send a package to the server in every frame. Isn't it too much? And there is also the rotation of the player from the mouse input. Here is an example: http://www.gabrielgambetta.com/fpm_live.html What about sending the position in fixed interval approach. It sends too few messages to the server. But it also reduces responsiveness. So which way is better?

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  • Animations in FBX exported from Maya are anchored in the wrong place

    - by Simon P Stevens
    We are trying to export a model and animation from Maya into Unity3d. In Maya, the model is anchored (pivot point) at the feet (and the body moves up and down). However after we have performed the FBX export, and imported the file into Unity the model is now appears to be anchored by the waist/head and the feet move. These example videos probably help explain the problem more clearly: Example video - Maya - Correct Example video - Unity - Wrong We have also noticed that if we take the FBX file and import it back into Maya we have exactly the same problem. It seems to be that the constraints no longer work after the FBX is reimported back to Maya, which just kills the connection between the joints and the control objects. When we exported the FBX we have tried checking the 'bake animations' check box. The fact that the same problem exist when importing the FBX back into both Maya and Unity suggests that the source of the problem is most likely with the Maya FBX export. Has anyone encountered this problem before and have any ideas how to fix it?

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  • How do I restore compiz advanced zoom?

    - by Roland Taylor
    I lost compiz zoom due to some incompatibility that I am not sure about. I read about a fix before, but I forgot what it is. When I try to zoom with the super key and mouse it just vibrates the cursor. After further testing to find the problem, I know it has to be something that is trying to put the pointer to the centre of the screen. Hopefully someone will be able to track down the cause, because so far I cannot. EDIT - I've tried all kinds of options, including resetting all the settings on the plugin, still no change. I can't zoom, even if I change the keys. If it helps, restraining the mouse to the zoom area makes it jump to one side of the screen. Could it be that I have dual outputs that is causing the problem?

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  • HDFC Bank's Journey to Oracle Private Database Cloud

    - by Nilesh Agrawal
    One of the key takeaways from a recent post by Sushil Kumar is the importance of business initiative that drives the transformational journey from legacy IT to enterprise private cloud. The journey that leads to a agile, self-service and efficient infrastructure with reduced complexity and enables IT to deliver services more closely aligned with business requirements. Nilanjay Bhattacharjee, AVP, IT of HDFC Bank presented a real-world case study based on one such initiative in his Oracle OpenWorld session titled "HDFC BANK Journey into Oracle Database Cloud with EM 12c DBaaS". The case study highlighted in this session is from HDFC Bank’s Lending Business Segment, which comprises roughly 50% of Bank’s top line. Bank’s Lending Business is always under pressure to launch “New Schemes” to compete and stay ahead in this segment and IT has to keep up with this challenging business requirement. Lending related applications are highly dynamic and go through constant changes and every single and minor change in each related application is required to be thoroughly UAT tested certified before they are certified for production rollout. This leads to a constant pressure in IT for rapid provisioning of UAT databases on an ongoing basis to enable faster time to market. Nilanjay joined Sushil Kumar, VP, Product Strategy, Oracle, during the Enterprise Manager general session at Oracle OpenWorld 2012. Let's watch what Nilanjay had to say about their recent Database cloud deployment. “Agility” in launching new business schemes became the key business driver for private database cloud adoption in the Bank. Nilanjay spent an hour discussing it during his session. Let's look at why Database-as-a-Service(DBaaS) model was need of the hour in this case  - Average 3 days to provision UAT Database for Loan Management Application Silo’ed UAT environment with Average 30% utilization Compliance requirement consume UAT testing resources DBA activities leads to $$ paid to SI for provisioning databases manually Overhead in managing configuration drift between production and test environments Rollout impact/delay on new business initiatives The private database cloud implementation progressed through 4 fundamental phases - Standardization, Consolidation, Automation, Optimization of UAT infrastructure. Project scoping was carried out and end users and stakeholders were engaged early on right from planning phase and including all phases of implementation. Standardization and Consolidation phase involved multiple iterations of planning to first standardize on infrastructure, db versions, patch levels, configuration, IT processes etc and with database level consolidation project onto Exadata platform. It was also decided to have existing AIX UAT DB landscape covered and EM 12c DBaaS solution being platform agnostic supported this model well. Automation and Optimization phase provided the necessary Agility, Self-Service and efficiency and this was made possible via EM 12c DBaaS. EM 12c DBaaS Self-Service/SSA Portal was setup with required zones, quotas, service templates, charge plan defined. There were 2 zones implemented - Exadata zone  primarily for UAT and benchmark testing for databases running on Exadata platform and second zone was for AIX setup to cover other databases those running on AIX. Metering and Chargeback/Showback capabilities provided business and IT the framework for cloud optimization and also visibility into cloud usage. More details on UAT cloud implementation, related building blocks and EM 12c DBaaS solution are covered in Nilanjay's OpenWorld session here. Some of the key Benefits achieved from UAT cloud initiative are - New business initiatives can be easily launched due to rapid provisioning of UAT Databases [ ~3 hours ] Drastically cut down $$ on SI for DBA Activities due to Self-Service Effective usage of infrastructure leading to  better ROI Empowering  consumers to provision database using Self-Service Control on project schedule with DB end date aligned to project plan submitted during provisioning Databases provisioned through Self-Service are monitored in EM and auto configured for Alerts and KPI Regulatory requirement of database does not impact existing project in queue This table below shows typical list of activities and tasks involved when a end user requests for a UAT database. EM 12c DBaaS solution helped reduce UAT database provisioning time from roughly 3 days down to 3 hours and this timing also includes provisioning time for database with production scale data (ranging from 250 G to 2 TB of data) - And it's not just about time to provision,  this initiative has enabled an agile, efficient and transparent UAT environment where end users are empowered with real control of cloud resources and IT's role is shifted as enabler of strategic services instead of being administrator of all user requests. The strong collaboration between IT and business community right from planning to implementation to go-live has played the key role in achieving this common goal of enterprise private cloud. Finally, real cloud is here and this cloud is accompanied with rain (business benefits) as well ! For more information, please go to Oracle Enterprise Manager  web page or  follow us at :  Twitter | Facebook | YouTube | Linkedin | Newsletter

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  • Program to Hide/show Given window with hotkey?

    - by Wayne Werner
    Hi, I'm fairly sure this program exists, but I don't remember what it was called. There are a few drop-down terminal programs (guake, yakuke, tilde), and I've been a fan of guake for a while. However, since I discovered GNU Screen I've been more interested in using Eterm. But I would like to make it dropdown/hide on keypress, similar to the way Guake does. I remember at some point that someone mentioned a program that allowed you to do similar things with basically any other window. Unfortunately my time spent googling around for terms like "show/hide any terminal ubuntu" have been met with stupid Windows search engine spam. Any clue where I could find the program I'm looking for? Thanks!

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  • How to render axometric/isometric tiles that are a 2d array in logic, but inclined 45º visually?

    - by TheLima
    I am making a tile-based strategy game which i plan to have 2.5D visuals in an axometric/isometric fashion. Right now i'm programming it's logic and rendering it as a literal 2-dimensional array (perfect squares, like an isometric top-down-view). In short, i have something like this: And i want to turn it to something like this: Do i keep going on the 2d-array logic? Is it all just a change in rendering behavior, as i'm thinking it is? or 2d-array is the wrong approach for my objective and I should change before it's too late? What are the ways of doing it, anyways? How should i apply the 2.5D axometric/isometric view (45º rotation to the side, and 45º rotation upwards)?

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  • Multiple 301 redirect and massive loss of ranking

    - by DoesNotCompute
    I just remade from scratch a website for a client, the client ask me to preverve their ranking by making 301 redirect from the original URL to the new URL. For instance: http://plumber-directory.my-website.com/john-smith-city-1.php became http://directory.my-website.com/plumber/city/john-smith.html So i put the website online for few days until the 301 partially kicks in the google results. Then the client call me back to tell me that his boss want to switch back to the ancients URLs _< So i put a new 301 redirect: http://directory.my-website.com/plumber/city/john-smith.html revert to http://plumber-directory.my-website.com/john-smith-city-1.php Because google had just few days to assimilate the new URLs, it have now the two kinds of URLs in it's own result pages. Also the ranking of the website keeps falling down every day, i suspect google to mistaking those redirects for duplicate content. Is there something i can do to avoid a total loss of rankings?

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  • OpenWorld: Spotlight on Fusion CRM

    - by Tony Berk
    Oracle OpenWorld is less than 2 weeks away, so you need to start figuring out how you are going to maximize your week. I don't want to discourage you, but I'm pretty sure it is impossible to attend all 2000+ sessions. So you need to focus on what's important to you. Many of our CRM customers will be interested in Fusion CRM, since they have already started Fusion implementations or determining when to start. If that's you, or you are just looking for an overview of Fusion CRM, we've got you covered! Let's start at the top! For an overview of what is in Fusion CRM and where it is going, you should attend the general session and roadmap session: General Session: Oracle Fusion CRM—Improving Sales Effectiveness, Efficiency, and Ease of Use (Session ID: GEN9674) - Oct 2, 11:45 AM. Anthony Lye, Senior VP, Oracle leads this general session focused on Oracle Fusion CRM. Oracle Fusion CRM optimizes territories, combines quota management and incentive compensation, integrates sales and marketing, and cleanses and enriches data—all within a single application platform. Oracle Fusion can be configured, changed, and extended at runtime by end users, business managers, IT, and developers. Oracle Fusion CRM can be used from the Web, from a smartphone, from Microsoft Outlook, or from an iPad. Deloitte, sponsor of the CRM Track, will also present key concepts on CRM implementations. Oracle Fusion Customer Relationship Management: Overview/Strategy/Customer Experiences/Roadmap (CON9407) - Oct 1, 3:15PM. In this session, learn how Oracle Fusion CRM enables companies to create better sales plans, generate more quality leads, and achieve higher win rates and find out why customers are adopting Oracle Fusion CRM. Gain a deeper understanding of the unique capabilities only Oracle Fusion CRM provides, and learn how Oracle’s commitment to CRM innovation is driving a wide range of future enhancements. There is also a General Session for all Fusion Applications providing insight into the current strategy of the full product line and a high-level roadmap for each product area: Oracle Fusion Applications—Overview, Strategy, and Roadmap (GEN9433) - Oct 1, 10:45AM. This session will be repeated on Oct 3, 10:15AM. Now, if you want to drill down into some more detail, there are a lot more sessions with Oracle product management and customers. I'll highlight a few, but suggest you review the Fusion CRM Focus On document, or the search in the Content Catalog or Session Builder.  Driving Sales Performance with Oracle Fusion CRM (CON9744) - Oct 3, 10:15AM. Demonstrates how sales executives can gain instant visibility into their business, deliver pervasive coaching to their reps, maximize their sales pipeline, and drive team alignment. The result is increased sales performance that enables sales executives to deliver more revenue without increasing their resources or expenses. Maximize Your Revenue Potential with Oracle Fusion CRM Sales Planning (CON9751) - Oct 2, 1:15PM. Learn how Oracle Fusion CRM helps companies intelligently optimize sales planning and manage sales performance including the ability to predict their future sales opportunities and use those predictions in conjunction with past sales data to optimally define their sales territories, sales quotas, and incentive compensation plans. Boost Marketing’s Contribution to Revenue with Oracle Fusion CRM Marketing (CON9746) - Oct 3, 11:45AM. Learn how Oracle Fusion CRM can help your organization integrate sales and marketing, using one CRM platform. See how Oracle Fusion CRM can help your organization learn where to invest its precious marketing dollars; drive more revenue with cross-channel marketing and prospecting capabilities, including and not limited to e-mail, Web, and social media; improve lead conversion with integrated lead management functionality; and do more with less by automating many manual tasks. Oracle Fusion CRM: Social Marketing (CON11559) - Oct 1, 3:15PM. Learn how Oracle’s acquisition of Collective Intellect, Vitrue, and Involver extends Oracle Fusion Marketing as a world-class social marketing solution. Oracle Fusion Social CRM Strategy and Roadmap: Future of Collaboration and Social Engagement (CON9750) - Oct 4, 11:15AM. Hear how Oracle can help you know your customers better, encourage brand affinity, and improve collaboration within your ecosystem. This session reviews Oracle's social media solution and shows how you can discover hidden insights buried in your enterprise and social data. Also learn how Oracle Social Network revolutionizes how enterprise users work, collaborate, and share to achieve successful outcomes. Of course, we recommend you hear from the current Fusion CRM customers too. So, don't miss Oracle Fusion Customer Relationship Management: Customer Adoption and Experiences (CON9415) on Oct 3 at 10:15AM for panel of customers discussing implementation experiences, best practices and benefits.  After listening to all of this great information, you are probably going to have questions. Well, the experts will be on hand to help answer your questions and plan how your organization can get going with Fusion CRM. Be sure to head down to the DEMOgrounds and CRM Pavilion in the Moscone West Exhibit Hall. And finally, there is the always popular Meet the Experts session focused on Fusion CRM (MTE9658) on Oct 2 at 5PM (pre-registration via Schedule Builder is recommended.) In addition, there are more sessions on Mobility, Extensibility, Incentive Compensation, Fusion Customer Hub and other key components of the Fusion Applications infrastructure, Oracle Cloud and much, much more! For a full list, utilize the Fusion CRM Focus On document and Content Catalog. Enjoy!

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  • Killing Stuck Child JVM's

    - by ACShorten
    Note: This facility only applies to Oracle Utilities Application Framework products using COBOL. In some situations, the Child JVM's may spin. This causes multiple startup/shutdown Child JVM messages to be displayed and recursive child JVM's to be initiated and shunned. If the following: Unable to establish connection on port …. after waiting .. seconds.The issue can be caused intermittently by CPU spins in connection to the creation of new processes, specifically Child JVMs. Recursive (or double) invocation of the System.exit call in the remote JVM may be caused by a Process.destroy call that the parent JVM always issues when shunning a JVM. The issue may happen when the thread in the parent JVM that is responsible for the recycling gets stuck and it affects all child JVMs. If this issue occurs at your site then there are a number of options to address the issue: Configure an Operating System level kill command to force the Child JVM to be shunned when it becomes stuck. Configure a Process.destroy command to be used if the kill command is not configured or desired. Specify a time tolerance to detect stuck threads before issuing the Process.destroy or kill commands. Note: This facility is also used when the Parent JVM is also shutdown to ensure no zombie Child JVM's exit. The following additional settings must be added to the spl.properties for the Business Application Server to use this facility: spl.runtime.cobol.remote.kill.command – Specify the command to kill the Child JVM process. This can be a command or specify a script to execute to provide additional information. The kill.command property can accept two arguments, {pid} and {jvmNumber}, in the specified string. The arguments must be enclosed in curly braces as shown here. Note: The PID will be appended to the killcmd string, unless the {pid} and {jvmNumber} arguments are specified. The jvmNumber can be useful if passed to a script for logging purposes. Note: If a script is used it must be in the path and be executable by the OS user running the system. spl.runtime.cobol.remote.destroy.enabled – Specify whether to use the Process.destroy command instead of the kill command. Specify true or false. Default value is false. Note: Unless otherwise required, it is recommended to use the kill command option if shunning JVM's is an issue. There this value can remain its default value, false, unless otherwise required. spl.runtime.cobol.remote.kill.delaysecs – Specify the number of seconds to wait for the Child JVM to terminate naturally before issuing the Process.destroy or kill commands. Default is 10 seconds. For example: spl.runtime.cobol.remote.kill.command=kill -9 {pid} {jvmNumber}spl.runtime.cobol.remote.destroy.enabled=falsespl.runtime.cobol.remote.kill.delaysecs=10 When a Child JVM is to be recycled, these properties are inspected and the spl.runtime.cobol.remote.kill.command, executed if provided. This is done after waiting for spl.runtime.cobol.remote.kill.delaysecs seconds to give the JVM time to shut itself down. The spl.runtime.cobol.remote.destroy.enabled property must be set to true AND the spl.runtime.cobol.remote.kill.command omitted for the original Process.destroy command to be used on the process. Note: By default the spl.runtime.cobol.remote.destroy enabled is set to false and is therefore disabled. If neither spl.runtime.cobol.remote.kill.command nor spl.runtime.cobol.remote.destroy.enabled is specified, child JVMs will not beforcibly killed. They will be left to shut themselves down (which may lead to orphan JVMs). If both are specified, the spl.runtime.cobol.remote.kill.command is preferred and spl.runtime.cobol.remote.destroy.enabled defaulted to false.It is recommended to invoke a script to issue the direct kill command instead of directly using the kill -9 commands.For example, the following sample script ensures that the process Id is an active cobjrun process before issuing the kill command: forcequit.sh #!/bin/shTHETIME=`date +"%Y-%m-%d %H:%M:%S"`if [ "$1" = "" ]then  echo "$THETIME: Process Id is required" >>$SPLSYSTEMLOGS/forcequit.log  exit 1fijavaexec=cobjrunps e $1 | grep -c $javaexecif [ $? = 0 ]then  echo "$THETIME: Process $1 is an active $javaexec process -- issuing kill-9 $1" >>$SPLSYSTEMLOGS/forcequit.log  kill -9 $1exit 0else  echo "$THETIME: Process id $1 is not a $javaexec process or not active --  kill will not be issued" >>$SPLSYSTEMLOGS/forcequit.logexit 1fi This script's name would then be specified as the value for the spl.runtime.cobol.remote.kill.command property, for example: spl.runtime.cobol.remote.kill.command=forcequit.sh The forcequit script does not have any explicit parameters but pid is passed automatically. To use the jvmNumber parameter it must explicitly specified in the command. For example, to call script forcequit.sh and pass it the pid and the child JVM number, specify it as follows: spl.runtime.cobol.remote.kill.command=forcequit.sh {pid} {jvmNumber} The script can then use the JVM number for logging purposes or to further ensure that the correct pid is being killed.If the arguments are omitted, the pid is automatically appended to the spl.runtime.cobol.remote.kill.command string. To use this facility the following patches must be installed: Patch 13719584 for Oracle Utilities Application Framework V2.1, Patches 13684595 and 13634933 for Oracle Utilities Application Framework V2.2 Group Fix 4 (as Patch 13640668) for Oracle Utilities Application Framework V4.1.

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  • Regardless of battery charge, when unplugged Ubuntu displays critical battery message and hibernates

    - by Chesc
    Regardless of battery charge, when unplugged Ubuntu displays critical battery message and hibernates. I can only seem to change it to either shutdown or hibernate. This does not happen when using windows 7 on the same computer. Windows 7 gives a good few hours on a full charge indicating that it is not a battery problem. Any help? I really don't want to have to use windows but its kinda pointless having a netbook that doesn't work when not plugged in! I'm using a toshiba nb250 and the most up to date 11.10 ubuntu distro. I use to get the critical battery message before on the previous ubuntu but it never shut down or hibernated my computer.

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  • Screen magnifier wrecks login screen — how to get rid of it?

    - by Jonik
    In the Ubuntu / GNOME login screen, I tried some of the different accessibility settings out of curiosity. Big mistake! Enabling the "use screen magnifier" (or whatever) option breaks down the view horribly, and makes it impossible to even access the settings again: (Right click & View Image for full size) Yes, I tried to access every corner of the screen using the mouse, but there's just chaos everywhere. Fortunately, I can still log in (pressing "Esc" makes the normal login dialog appear on the left-hand monitor). My question is, how to disable the "magnifier" option outside of the login screen itself? (By editing some config file perhaps?) I don't care about getting the magnifier mode to work properly - just make it go away altogether, please.

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  • visual basic coach needed [closed]

    - by Danny
    0 down vote favorite I am trying to learn visual basic. I used to program in gw-basic and have trouble learning vb.net by reading and googling all the time. It takes so much time to find the answers to my programming problems and even then i do not understand the why it have to be done that way. I have beginners questions like finding childwindows using enumwindow. Then googling for hours and hours i do not seem to grasp it (must be my old age). I would like to get someone i could learn from by asking questions about what i want to program and learn from it. not to just finish the program but to learn and understand it too. Someone who dont find questions stupid to ask as i try to build my understanding of the visual basic environment. I hope to communicate by using skype voice or chat or other direct means when time permits it. Cheers, Danny

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  • Virtualbox: host only networking - proxy internet connection

    - by Russell
    I'll ask my question first, then give details about where I am coming from: Is it possible to use host only, then have ubuntu act as a proxy to provide internet access to windows? If so, how? I am trying to get the right combination of networking for my virtualbox windows client VM (win7). My host is ubuntu 10.10 (maverick). I believe I understand the basic network options (please correct me if I am incorrect): NAT - Host can't communicate with guest but guest has access to all host's adapters Host only - Separate adapter but guest has no net access Bridged - bridge an adapter in the host with the virtual adapter to give the host access to the host adapter I am trying to give my win guest internet access, but also access the host in a separate network. Bridged only works when the host is connected to the internet (this is a laptop) so when it's not connected the network is down. Thanks I appreciate your help.

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  • Can preventing directory listings in WordPress upload folders cause Google ranking drops when they cause 403 errors in Webmaster Tools?

    - by Kelly
    I recently moved to a new host that blocks crawling to my uploads folders but (hopefully) allows the files in the folder to be crawled. I now show many 403 errors for each folder in the uploads folder in my Webmaster Tools. For example, http://www.rewardcharts4kids.com/wp-content/uploads/2013/07/ shows a 403 error. For example, I can access this file: http://www.rewardcharts4kids.com/wp-content/uploads/2013/07/lunch-box-notes.jpg but I cannot access the folder it is in. My rankings went down after I moved to this host and I am wondering if: this could be the reason. is this how files/folders are supposed to be set up?

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  • How to open directory in Guake from Nautilus

    - by Tinellus
    In Nautilus, I have upon right-clicking a directory, the option to open a Terminal with the prompt in the selected directory. I think this is very handy and I use it a lot. Now I would like to use Guake instead of the classic terminal. Is there a way to do this? I'm struggling with nautilus-actions. I can open Guake allright (i.e. it drops down from the top since it's permanently loaded), but the prompt isn't located at the directory of choice. In addition, it's one more mouseclick to open the terminal (if it would work), I would prefer a shorter way. Anyone any idea how to manage this? (or could this be a possible feature request?) Ubuntu 12.04, gnome-classic without Unity

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  • AJI Report with Nat Ryan&ndash;Discussion about Game Development with Corona Labs SDK

    - by Jeff Julian
    We sat down with Nat Ryan of Fully Croisened to talk about Game Development and the Corona Labs framework. The Corona SDK is a platform that allows you to write mobile games or applications using the Lua language and deploy to the iOS and Android platforms. One of the great features of Corona is the compilation output is a native application and not a hybrid application. Corona is very centered around their developer community and there are quite a few local meetups focused on the helping other developers use the platform. The community and Corona site offers a great number of resources and samples that will help you get started in a matter of a few days. If you are into Game Development and want to move towards mobile, or a business developer looking to turn your craft back into a hobby, check out this recording and Corona Labs to get started.   Download the Podcast   Site: AJI Report – @AJISoftware Site: Fully Croisened Twitter: @FullyCroisened Site: Corona Labs

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  • How does one find out which application is associated with an indicator icon?

    - by Amos Annoy
    It is trivial to do this in Ubuntu 10.04. The question is specific to Ubuntu 12.04. some pertinent references (src: answer to What is the difference between indicators and a system tray?: Here is the documentation for indicators: Application indicators | Ubuntu App Developer libindicate Reference Manual libappindicator Reference Manual also DesktopExperienceTeam/ApplicationIndicators - Ubuntu Wiki ref: How can the application that makes an indicator icon be identified? bookmark: How does one find out which application is associated with an indicator icon in Ubuntu 12.04? is a serious question for reasons & problems outlined below and for which a significant investment has been made and is necessary for remedial purposes. reviewing refs. to find an orchestrated resolution ... (an indicator ap. indicator maybe needed) This has nothing to do (does it?) with right click. How can an indicator's icon in Ubuntu 12.04 be matched with the program responsible for it's manifestation on the top panel? A list of running applications can include all processes using System Monitor. How is the correct matching process found for an indicator? How are the sub-indicator applications identified? These are the aps associated with the components of an indicators drop-down menu. (This was to be a separate question and quite naturally follows up the progression. It is included here as it is obvious there is no provisioning to track down offending either sub or indicator aps. easily.) (The examination of SM points out a rather poignant factor in the faster battery depletion and shortened run time - the ambient quiescent CPU rate in 12.04 is now well over 20% when previously, in 10.04, it was well under 10%, between 5% and 7%! - the huge inordinate cpu overhead originates from Xorg and compiz - after booting the system, only SM is run and All Processes are selected, sorting on %CPU - switching between Resources and Processes profiles the execution overhead problem - running another ap like gedit "Text Editor" briefly gives it CPU priority - going back to S&M several aps. are at the top of the list in order: gnome-system-monitor as expected, then: Xorg, compiz, unity-panel-service, hud-service, with dbus-daemon and kworker/x:y's mixed in with some expected daemons and background tasks like nm-applet - not only do Xorg and compiz require excessive CPU time but their entourage has to come along too! further exacerbating the problem - our compute bound tasks no longer work effectively in the field - reduced battery life, reduced CPU time for custom ap.s etc. - and all this precipitated from an examination of what is going on with the battery ap. indicator - this was and is not a flippant, rhetorical or idle musing but has consequences for the credible deployment of 12.04 to reduce the negative impact of its overhead in a production environment) (I have a problem with the battery indicator - it sometimes has % and other times hh:mm - it is necessary to know the ap. & v. to get more info on controlling same. ditto: There are issues with other indicator aps.: NM vs. iwlist/iwconfig conflict, BT ap. vs RF switch, Battery ap. w/ no suspend/sleep for poor battery runtime, ... the list goes on) Details from: How can I find Application Indicator ID's? suggests looking at: file:///usr/share/indicator-application/ordering-override.keyfile [Ordering Index Overrides] nm-applet=1 gnome-power-manager=2 ibus=3 gst-keyboard-xkb=4 gsd-keyboard-xkb=5 which solves the battery ap. identification, and presumably nm is NetworkManager for the rf icon, but the envelope, blue tooth and speaker indicator aps. are still a mystery. (Also, the ordering is not correlated.) Mind you, it was simple in the past to simply right click to get the About option to find the ap. & v. info. browsing around and about: file:///usr/share/indicator-application/ordering-override.keyfile examined: file:///usr/share/indicators file:///usr/share/indicators/messages/applications/ ... perhaps?/presumably? the information sought may be buried in file:///usr/share/indicators A reference in the comments was given to: What is the difference between indicators and a system tray? quoting from that source ... Unfortunately desktop indicators are not well documented yet: I couldn't find any specification doc ... Well ... the actual document https://wiki.ubuntu.com/DesktopExperienceTeam/ApplicationIndicators#Summary does not help much but it's existential information provides considerable insight ...

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  • How to Print or Save a Directory Listing to a File

    - by Lori Kaufman
    Printing a directory listing is something you may not do often, but when you need to print a listing of a directory with a lot of files in it, you would rather not manually type the filenames. You may want to print a directory listing of your videos, music, ebooks, or other media. Or, someone at work may ask you for a list of test case files you have created for the software you’re developing, or a list of chapter files for the user guide, etc. If the list of files is small, writing it down or manually typing it out is not a problem. However, if you have a lot of files, automatically creating a directory listing would get the task done quickly and easily. This article shows you how to write a directory listing to a file using the command line and how to use a free tool to print or save a directory listing in Windows Explorer. Amazon’s New Kindle Fire Tablet: the How-To Geek Review HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed

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  • PHP Development Environment (Host: Windows 7, Guest: Ubuntu)

    - by Kristian Leiws Jones
    Since editing files live from a remote server slows down development. I use XAMPP on windows to develop then run the web app's on a Linux server. However to avoid environment dependencies I'd like to mirror the live environment and the development environments. What I'm asking is running development server on Ubuntu inside VirtualBox whilst editing the source files via ftp/Dreamweaver is a good idea? If so, and I wanted to view the local website on the host OS (windows) how would I do this? does the guest OS have a LAN/Local IP address? I notice on windows "ipconfig /all" there are "tunneling" adapters which I assume is for VirtualBox, so I guess the guest OS has the same LAN/Local IP address? if so how would I view the websites hosted on the guest OS on the host OS? I'd also need to host FTP server on guest OS. Note: I need windows! I would love to use Linux all the way -.-

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  • FairScheduling Conventions in Hadoop

    - by dan.mcclary
    While scheduling and resource allocation control has been present in Hadoop since 0.20, a lot of people haven't discovered or utilized it in their initial investigations of the Hadoop ecosystem. We could chalk this up to many things: Organizations are still determining what their dataflow and analysis workloads will comprise Small deployments under tests aren't likely to show the signs of strains that would send someone looking for resource allocation options The default scheduling options -- the FairScheduler and the CapacityScheduler -- are not placed in the most prominent position within the Hadoop documentation. However, for production deployments, it's wise to start with at least the foundations of scheduling in place so that you can tune the cluster as workloads emerge. To do that, we have to ask ourselves something about what the off-the-rack scheduling options are. We have some choices: The FairScheduler, which will work to ensure resource allocations are enforced on a per-job basis. The CapacityScheduler, which will ensure resource allocations are enforced on a per-queue basis. Writing your own implementation of the abstract class org.apache.hadoop.mapred.job.TaskScheduler is an option, but usually overkill. If you're going to have several concurrent users and leverage the more interactive aspects of the Hadoop environment (e.g. Pig and Hive scripting), the FairScheduler is definitely the way to go. In particular, we can do user-specific pools so that default users get their fair share, and specific users are given the resources their workloads require. To enable fair scheduling, we're going to need to do a couple of things. First, we need to tell the JobTracker that we want to use scheduling and where we're going to be defining our allocations. We do this by adding the following to the mapred-site.xml file in HADOOP_HOME/conf: <property> <name>mapred.jobtracker.taskScheduler</name> <value>org.apache.hadoop.mapred.FairScheduler</value> </property> <property> <name>mapred.fairscheduler.allocation.file</name> <value>/path/to/allocations.xml</value> </property> <property> <name>mapred.fairscheduler.poolnameproperty</name> <value>pool.name</value> </property> <property> <name>pool.name</name> <value>${user.name}</name> </property> What we've done here is simply tell the JobTracker that we'd like to task scheduling to use the FairScheduler class rather than a single FIFO queue. Moreover, we're going to be defining our resource pools and allocations in a file called allocations.xml For reference, the allocation file is read every 15s or so, which allows for tuning allocations without having to take down the JobTracker. Our allocation file is now going to look a little like this <?xml version="1.0"?> <allocations> <pool name="dan"> <minMaps>5</minMaps> <minReduces>5</minReduces> <maxMaps>25</maxMaps> <maxReduces>25</maxReduces> <minSharePreemptionTimeout>300</minSharePreemptionTimeout> </pool> <mapreduce.job.user.name="dan"> <maxRunningJobs>6</maxRunningJobs> </user> <userMaxJobsDefault>3</userMaxJobsDefault> <fairSharePreemptionTimeout>600</fairSharePreemptionTimeout> </allocations> In this case, I've explicitly set my username to have upper and lower bounds on the maps and reduces, and allotted myself double the number of running jobs. Now, if I run hive or pig jobs from either the console or via the Hue web interface, I'll be treated "fairly" by the JobTracker. There's a lot more tweaking that can be done to the allocations file, so it's best to dig down into the description and start trying out allocations that might fit your workload.

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  • Silly Developers, VirtualBox Is For Sysadmins!

    - by rickramsey
    That's one of my favorite bumper stickers. (Well, along with the sticker placed upside down on Jeep windows that says "If you can read this, roll me over.") I don't object to the "silly boys" sticker because, in my humble opinion, girls look much cuter in Jeeps than guys do. But as Ginny Henningsen points out, a similar sentiment can be applied to Oracle VM VirtualBox. While writing her other sysadmin-related articles for OTN, Ginny horsed around with VirtualBox so much that she fell in love with it. Not as a developer, but as a sysadmin. Read why she thinks it's such a great sysadmin tool: My New Favorite Sysadmin Tool: Oracle VM VirtualBox Here are some of Ginny's other articles: How I Simplified Oracle Database Installation on Oracle Linux Best Way to Update Software With IPS Best Way to Automate ZFS Snapshots and Track Software Updates Best Way to Update Software in Zones - Rick Ramsey Website Newsletter Facebook Twitter

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  • Login failed for user 'sa' because the account is currently locked out. The system administrator can

    - by cabhilash
    Login failed for user 'sa' because the account is currently locked out. The system administrator can unlock it. (Microsoft SQL Server, Error: 18486) SQL server has local password policies. If policy is enabled which locks down the account after X number of failed attempts then the account is automatically locked down.This error with 'sa' account is very common. sa is default administartor login available with SQL server. So there are chances that an ousider has tried to bruteforce your system. (This can cause even if a legitimate tries to access the account with wrong password.Sometimes a user would have changed the password without informing others. So the other users would try to lo) You can unlock the account with the following options (use another admin account or connect via windows authentication) Alter account & unlock ALTER LOGIN sa WITH PASSWORD='password' UNLOCK Use another account Almost everyone is aware of the sa account. This can be the potential security risk. Even if you provide strong password hackers can lock the account by providing the wrong password. ( You can provide extra security by installing firewall or changing the default port but these measures are not always practical). As a best practice you can disable the sa account and use another account with same privileges.ALTER LOGIN sa DISABLE You can edit the lock-ot options using gpedit.msc( in command prompt type gpedit.msc and press enter). Navigate to Account Lokout policy as shown in the figure The Following options are available Account lockout threshold This security setting determines the number of failed logon attempts that causes a user account to be locked out. A locked-out account cannot be used until it is reset by an administrator or until the lockout duration for the account has expired. You can set a value between 0 and 999 failed logon attempts. If you set the value to 0, the account will never be locked out. Failed password attempts against workstations or member servers that have been locked using either CTRL+ALT+DELETE or password-protected screen savers count as failed logon attempts. Account lockout duration This security setting determines the number of minutes a locked-out account remains locked out before automatically becoming unlocked. The available range is from 0 minutes through 99,999 minutes. If you set the account lockout duration to 0, the account will be locked out until an administrator explicitly unlocks it. If an account lockout threshold is defined, the account lockout duration must be greater than or equal to the reset time. Default: None, because this policy setting only has meaning when an Account lockout threshold is specified. Reset account lockout counter after This security setting determines the number of minutes that must elapse after a failed logon attempt before the failed logon attempt counter is reset to 0 bad logon attempts. The available range is 1 minute to 99,999 minutes. If an account lockout threshold is defined, this reset time must be less than or equal to the Account lockout duration. Default: None, because this policy setting only has meaning when an Account lockout threshold is specified.When creating SQL user you can set CHECK_POLICY=on which will enforce the windows password policy on the account. The following policies will be applied Define the Enforce password history policy setting so that several previous passwords are remembered. With this policy setting, users cannot use the same password when their password expires.  Define the Maximum password age policy setting so that passwords expire as often as necessary for your environment, typically, every 30 to 90 days. With this policy setting, if an attacker cracks a password, the attacker only has access to the network until the password expires.  Define the Minimum password age policy setting so that passwords cannot be changed until they are more than a certain number of days old. This policy setting works in combination with the Enforce password historypolicy setting. If a minimum password age is defined, users cannot repeatedly change their passwords to get around the Enforce password history policy setting and then use their original password. Users must wait the specified number of days to change their passwords.  Define a Minimum password length policy setting so that passwords must consist of at least a specified number of characters. Long passwords--seven or more characters--are usually stronger than short ones. With this policy setting, users cannot use blank passwords, and they have to create passwords that are a certain number of characters long.  Enable the Password must meet complexity requirements policy setting. This policy setting checks all new passwords to ensure that they meet basic strong password requirements.  Password must meet the following complexity requirement, when they are changed or created: Not contain the user's entire Account Name or entire Full Name. The Account Name and Full Name are parsed for delimiters: commas, periods, dashes or hyphens, underscores, spaces, pound signs, and tabs. If any of these delimiters are found, the Account Name or Full Name are split and all sections are verified not to be included in the password. There is no check for any character or any three characters in succession. Contain characters from three of the following five categories:  English uppercase characters (A through Z) English lowercase characters (a through z) Base 10 digits (0 through 9) Non-alphabetic characters (for example, !, $, #, %) A catch-all category of any Unicode character that does not fall under the previous four categories. This fifth category can be regionally specific.

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