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• How to Setup Ubuntu Mail Server with Google Apps?

  - by Apreche

  I have a domain, let's call it foobar.com. All of the MX records for foobar.com point to Google's mail servers because I am using Google Apps for your domain to manage it. It's great because everyone gets all the advantages of GMail, but our e-mail addresses aren't @gmail.com. I also have a server. Primarily, it's a web server, but it also serves other things. One of the things it serves is the web site for foobar.com and also sites for various virtual hosts such as shop.foobar.com and forum.foobar.com. The server is running Ubuntu 8.04, because I like using LTS releases in production. The thing is, there are various applications running on the server that need the ability to send out emails. Various applications, like the cron jobs, send me e-mails in case of errors. Some of the web applications need to send e-mail to users when they forget their passwords, to confirm new registered users, etc. Lastly, it's nice to be able to send e-mail from the command line using the mail command, or mutt. How can I setup the mail on the web server to go through the Google apps mail servers? I don't need the web server to receive mail, though that would be cool. I do need it to be able to send mail as any legitimate address @foobar.com. That way the forum application can send mails with [email protected] in the from field, and the ecommerce application will have [email protected] in the from field. Also, by sending the mail through the Google servers, we can avoid a lot of the problems with the e-mails being blocked by various spam filters on the web. Google's SMTP servers are trusted a lot more than mine would be. I'm pretty good with administering Linux systems, but I am absolutely brain dead when it comes to e-mail. I need step by step directions from beginning to end on how to set this up. I need to know every thing to install, and every single change to the configuration files that is necessary. I have tried following various howtos and guides in the past, but none of them were quite right. Either they didn't work at all, or they offered a configuration that is not what I wanted. Please help. Thanks.

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• Looking for an alternative to PuTTY on Windows

  - by mririgo

  PuTTY is good at what it does, but I'm somewhat envious of Mac Terminal and even Ubuntu's Terminal. I'm looking for good alternatives to PuTTY that would include some of the aesthetics found in Mac and Ubuntu's Terminal applications. Tabs! The ability to drop the window's opacity The ability to open right to the command prompt and ssh in (no intial config window every time) Etc. Feel free to share any Windows terminal applications you would recommend. Or maybe it's possible to get PuTTY to do some of these things. Whatever, I'm cool with that.

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• Why does a Windows 7 installation grow so seriously and how to shring it?

  - by Ivan

  I store all my data and the most of applications (those legally available in "portable" versions) on drive D: and only use drive C: for the Windows system and some heavily integrated applications like MS Office, Visual Studio, Adobe Reader, Flash Player etc. When I was using Windows XP, 50 GiB drive C: was more than enough. Now, as I've mitigated to Windows 7, it hardly is. Yesterday as I've checked, 7 GiBs were free on drive C:. Then I've installed fresh Windows updates (which were just some tens of MiBs to download) and checked again: now there are only 2 GiBs free. Where have 5 GiBs gone? PS: Don't be surprised my system installation takes actually that much: I've got Visual Studio and SQL Server with complete offline documentation library, but that doesn't explain where does free space disappear on simple Windows updates. PPS: I use an augmented CCleaner version to clean my PC every day, so there are for sure no temporary internet files of recycle bin trash files taking the place.

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• Best of OTN - Week of November 4th

  - by CassandraClark-OTN

  It was another exciting week at OTN!  Lots of GREAT content to share.  If you had a favorite that you don't see listed let us know in the comment section below.  Java Community - JavaOne Sessions Online - We've posted 60 of the JavaOne sessions online, and we'll be rolling out more sessions every few weeks. This content is free, courtesy of Oracle.NetBeans 7.4 Released  - NetBeans 7.4 features HTML5 integration for Java EE and PHP development; support for Apache Cordova and JDK 8 preview features; enhancements to Maven, C/C++, and more.vJUG: Worldwide Virtual JUG Created - London Java Community leader and technical evangelist Simon Maple has created a Meetup called vJUG, with aim toward connecting Java Developers in the virtual world.Tori Wieldt, Java Community Manager Friday Funny: This is what REALLY happens when you give someone your business card ow.ly/q6aKUArchitect Community - Don't forget to register for the free Virtual Developer Day - Harnessing the Power of Oracle WebLogic and Oracle Coherence.  December 3rd, 2013 - Two great tracks, Design & Develop and Build, Deploy & Manage.   Why wait, register now!  Multi-Factor Authentication in Oracle WebLogic - Shailesh K. Mishra - Really good technical article on using multi-factor authentication to protect web applications deployed on Oracle WebLogic.Coherence*Web: Sharing an httpSessions Among Applications in Different Oracle WebLogic Clusters - Jordi VillenaUnderstanding when and how to select session attributes that must be stored in the local storage of the Oracle WebLogic instances and which should be leveraged to an Oracle Coherence distributed cache.  Bob Rhubart, Architect Community Manager Friday Funny - "Be yourself, everyone else is already taken." Oscar Wilde (October 16, 1854 - November 30, 1900) Irish writer and poet.

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• Video game "Gish" will only launch from command line

  - by aberration

  Platform: Lubuntu 11.10 x64 Program: Gish When I try to launch Gish from the command line (/opt/gish/gi.sh), there are no problems. But when I try to launch it from the LXDE menu, it will not start. Contents of /usr/share/applications/gish.desktop: [Desktop Entry] Categories=Game;ActionGame;AdventureGame;ArcadeGame; Exec=/opt/gish/gi.sh Path=/opt/gish Icon=x-gish Terminal=false Type=Application Name=Gish I tried changing Terminal=false to Terminal=true to debug it, but then I just got a blank terminal, and the game didn't start. Edit: Here is some additional information, as requested by Eliah Kagan below: I tried editing /usr/share/applications/gish.desktop, as recommended, but it had no effect However, ~/.xsession-errors contained the following error: [: 8: x86_64: unexpected operator ./gish_32: error while loading shared libraries: libGL.so.1: wrong ELF class: ELFCLASS64 I think there's a problem with the /opt/gish/gi.sh shell script. This is its contents: cd /opt/gish/ MACHINE_TYPE=`uname -m` if [ ${MACHINE_TYPE} == 'x86_64' ]; then ./gish_64 else ./gish_32 fi I'm not too familiar with Bash, so hopefully someone else can point out the error. I have a 64-bit machine. I think that when the script is run from the command line, it's properly launching the 64-bit version (/opt/gish/gish_64), but when it's run from the LXDE menu, it's launching the 32-bit version (/opt/gish/gish_32), which is causing the libGL.so.1 error. However, this may be related to my libGL.so.1 problems with 2 other games.

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• Battery is drained too quickly

  - by LucaB

  I'm getting really low battery life under ubuntu, not even close to windows. I tried powertop, and I saw that my laptop is consuming in idle nearly 20 watts (a bit more). I tried to install laptop-mode-tools, change "good" into "bad" in powertop, but nothing changes. I see that I have the the HD audio output device which is running at 100% every time. Could this be the problem? This is a report from powertop. The battery reports a discharge rate of 22.8 W The estimated remaining time is 33 minutes Summary: 381.8 wakeups/second, 0.0 GPU ops/second and 0.0 VFS ops/sec Usage Events/s Category Description 3.2 ms/s 182.7 Timer tick_sched_timer 100.0% Device Audio codec hwC0D3: Intel 7.9 ms/s 25.1 Process /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background no 1.9 ms/s 24.2 Interrupt [6] tasklet(softirq) 2.9 ms/s 23.2 Process /usr/lib/chromium-browser/chromium-browser --type=zygote 8.1 ms/s 20.3 Process /usr/lib/unity/unity-panel-service 0.7 ms/s 17.4 Timer hrtimer_wakeup 4.2 ms/s 12.6 Process unity-2d-panel 604.4 µs/s 9.7 Process syndaemon -i 2.0 -K -R -t 149.7 µs/s 9.7 kWork ieee80211_iface_work 0.8 ms/s 8.7 Process metacity 19.5 ms/s 1.0 Process powertop 3.0 ms/s 6.8 Process //bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session 699.0 µs/s 6.8 Process /usr/lib/thunderbird/thunderbird 4.3 ms/s 4.8 Process gnome-terminal 658.9 µs/s 2.9 Interrupt [1] timer(softirq) 75.1 µs/s 2.9 kWork iwl_bg_run_time_calib_work 163.8 µs/s 1.9 Process /usr/lib/accountsservice/accounts-daemon 70.6 µs/s 1.9 Process [ksoftirqd/2] 25.8 µs/s 1.9 Process [ksoftirqd/0] 1.0 ms/s 1.0 Process /usr/bin/python /usr/sbin/powernapd 408.2 µs/s 1.0 Process unity-2d-shell 189.8 µs/s 1.0 Process /usr/lib/chromium-browser/chromium-browser 124.4 µs/s 1.0 Process /usr/lib/unity-lens-applications/unity-applications-daemon 113.3 µs/s 1.0 Process /usr/lib/gnome-settings-daemon/gnome-settings-daemon 112.0 µs/s 1.0 Process nautilus -n 104.9 µs/s 1.0 Process /usr/lib/gvfs/gvfsd-trash --spawner :1.2 /org/gtk/gvfs/exec_spaw/0 77.5 µs/s 1.0 Process /usr/lib/x86_64-linux-gnu/colord/colord 75.6 µs/s 1.0 Process /usr/lib/gvfs/gvfs-gdu-volume-monitor 75.0 µs/s 1.0 Interrupt [53] i915 74.9 µs/s 1.0 Process /usr/lib/gvfs/gvfs-afc-volume-monitor What should I do to make the battery consumption lower?

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• How can I load an image directly into the Windows clipboard from the command line?

  - by Daniel J. Pritchett

  My dad asked me how he could script the pasting/inclusion of images in various applications. I'm sure I could script out some quick <img src=... HTML but I believe he's also looking to do this in Windows GUI applications like Word or Outlook. So, how could I script a process with the following inputs and outputs: load_image_into_clipboard_script.cmd sample_file.jpg Clipboard now contains the aforementioned image file, just as if I'd e.g. opened it in Paint and done a Select All - Copy. I noticed there's a clip.exe utility with Vista/Win2003 and up; perhaps that will be a useful intermediary?

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• Financial institutions build predictive models using Oracle R Enterprise to speed model deployment

  - by Mark Hornick

  See the Oracle press release, Financial Institutions Leverage Metadata Driven Modeling Capability Built on the Oracle R Enterprise Platform to Accelerate Model Deployment and Streamline Governance for a description where a "unified environment for analytics data management and model lifecycle management brings the power and flexibility of the open source R statistical platform, delivered via the in-database Oracle R Enterprise engine to support open standards compliance." Through its integration with Oracle R Enterprise, Oracle Financial Services Analytical Applications provides "productivity, management, and governance benefits to financial institutions, including the ability to: Centrally manage and control models in a single, enterprise model repository, allowing for consistent management and application of security and IT governance policies across enterprise assets Reuse models and rapidly integrate with applications by exposing models as services Accelerate development with seeded models and common modeling and statistical techniques available out-of-the-box Cut risk and speed model deployment by testing and tuning models with production data while working within a safe sandbox Support compliance with regulatory requirements by carrying out comprehensive stress testing, which captures the effects of adverse risk events that are not estimated by standard statistical and business models. This approach supplements the modeling process and supports compliance with the Pillar I and the Internal Capital Adequacy Assessment Process stress testing requirements of the Basel II Accord Improve performance by deploying and running models co-resident with data. Oracle R Enterprise engines run in database, virtually eliminating the need to move data to and from client machines, thereby reducing latency and improving security"

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• Pros and Cons between learning to program on Windows and Linux and Macs

  - by Amumu

  I have been studying IT for 2 years and I'm going to graduate soon in this year (if everything goes well). I think it's time for me to choose a path to specialized into some fields of this large industry. Personally, I want to be a game programmer. But to be a game programmer, surely I have to invest my time to study Windows Programming, then DirectX and other programming techniques related to game. On the other hand, Linux seems promising as well. I am not sure about Game Programming on for it, but it seems become an expert for this OS, and by expert it's not about using the OS to become an administrator, but can do further than that, such as understand the OS to its essence and can produce applications for it. However, there's some obstacles in my view for this development path. Many of my friends think that Linux is based on free and open source, and if you follow it, as its name suggested: Free and Open Source, it means we also give away our software free. Otherwise, we will have to find a second job to make living. Currently, I think a viable way to make money on Linux is doing works related to client-server. Another way to developer my career is to become expert in developing business applications for companies. This is more on business, not on specialized IT fields so I am not really interested. Another alternative is programming on mobile devices, such as iPhone, Android and it seems very promising and easier to approach. Another way is to become a computer scientist and research on academic subjects such as AI, human-computer interaction, but this is far beyond my reach, so I won't invest my time on it until I feel I am experienced enough. That's all I can think of for now. I may miss a lot of things, so I need more opinions as input to get the big picture of the industry for my career path.

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• Self-hosted browser-based remote desktop script?

  - by rlsaj

  I need a self-hosted browser based remote desktop script that will connect me from any PC to my work PC. I need to either host this script within my own dedicated hosting or on my work PC. The PC that I need to remote into is always the one PC (Win7) and the IP never changes, and I have access to the Router/Firewall within. I have tried many remote desktop services and applications - LogMeIn, Team Viewer, (Ultra/Tight) VNC, GoToMyPC and iTeleport Connect and even Windows Remote Desktop - and the web services (or ports) are blocked at whatever free wi-fi/hotel/coffee shop I am at. Note that I will need to be able to access this from any PC, so I won't be able to install any applications (or use any portable software) - hence my thinking that it will need to be browser based on a standard (not blocked) port. If I can set up a web based remote desktop application - really a homebrew LogMeIn - then I should solve my problem. What is the best option here?

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• Anyone know a Windows application I can use to play music with others in real time? [closed]

  - by James McFarland

  Does anyone out there know of any Windows applications that would enable me to play music with others in real time?

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• New Session Failed

  - by PhilPursglove

  We've started to see instances on our Intranet server where for any page the server just responds with the error page 'HTTP/1.1 New Session Failed'. It seems we can fix it by running IISRESET but this feels like we're only treating the symptom. The server is a virtualised server running IIS6 on Windows Server 2003 with 0.5Gb of RAM. Our Intranet is written in ASP, but we also have ASP.NET 2.0 applications running on the web site. The site is set up for Anonymous and Integrated Authentication. What causes IIS to get into this error state? Could the server be saturated with requests i.e. we need to scale out and move some applications onto another server? I've seen KB210842 but I'm not sure it applies as that is applicable to IIS 4

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• Mongodump on Gridfs is killing the host IOs

  - by Raphael

  I'm trying to make a mongodump from our production mongodb while the production is running. We have three production instances, one regular mongodb, one with very few gb of data on gridfs, one with a larger amount of data on gridfs. All mongodb instances are running in version 2.4.9 on a ubuntu 10.04 virtual server. I use a mongodump command to export the bases to another server. Unfortunately our machines are virtually hosted in a "low performances" datacenter (vmware based) so when I try to export the large gridfs db, the disk IO hits 100% (and 50% of the cpu starts waiting for IO too). This has a very negative impact on the production applicatiosn because db access time is excessively increased, making the applications unusable. I'm looking for a way to regulate the mongodump so the export goes slower but cooler on the hardware ressources allowing better performances for the applications to run. Has anyone had a similar scenario ?

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• CodePlex Daily Summary for Friday, May 30, 2014

  CodePlex Daily Summary for Friday, May 30, 2014Popular ReleasesSEToolbox: 01.032.014 Release 2: Fixed flaw in startup if second Toolbox was started. Added thumbnail zooming in load dialog. Added mirror for new ConveyorTubeCurvedMedium. Added dedicated server support :- Repair will not add missing player to dedicated server. Distances measured to origin (0,0,0) when no player exists. Dedicated Service Server game denied write access unless SEToolbox is run as Admin. Additional information in Load dialog. Installation of this version will replace older version.Vi-AIO SearchBar: Vi – AIO Search Bar: Version 1.0Composite Iconote: Composite Iconote: This is a composite has been made by Microsoft Visual Studio 2013. Requirement: To develop this composite or use this component in your application, your computer must have .NET framework 4.5 or newer.HigLabo: HigLabo_20140529: Fixed HttpClient ContentLength bug.Magick.NET: Magick.NET 6.8.9.101: Magick.NET linked with ImageMagick 6.8.9.1. Breaking changes: - Int/short Set methods of WritablePixelCollection are now unsigned. - The Q16 build no longer uses HDRI, switch to the new Q16-HDRI build if you need HDRI.StudioShell: StudioShell 1.6.6: placeholder release for WIX issue work artifactsMath.NET Numerics: Math.NET Numerics v3.0.0-beta02: Full History Linear Algebra: optimized sparse-sparse and sparse-diagonal matrix products. ~Christian Woltering transpose at storage level, optimized sparse transpose. ~Christian Woltering optimized inplace-map, indexed submatrix-map. optimized clearing a set of rows or columns. matrix FoldRows/FoldColumns. matrix column/row norms, normalization. prefer enums over boolean parameters (e.g. `Zeros.AllowSkip`). IsSymmetric is now a method, add IsConjugateSymmetric. breaking Eigen...QuickMon: Version 3.13: 1. Adding an Audio/sound notifier that can be used to simply draw attention to the application of a warning pr error state is returned by a collector. 2. Adding a property for Notifiers so it can be set to 'Attended', 'Unattended' or 'Both' modes. 3. Adding a WCF method to remote agent host so the version can be checked remotely. 4. Adding some 'Sample' monitor packs to installer. Note: this release and the next release (3.14 aka Pie release) will have some breaking changes and will be incom...fnr.exe - Find And Replace Tool: 1.7: Bug fixes Refactored logic for encoding text values to command line to handle common edge cases where find/replace operation works in GUI but not in command line Fix for bug where selection in Encoding drop down was different when generating command line in some cases. It was reported in: https://findandreplace.codeplex.com/workitem/34 Fix for "Backslash inserted before dot in replacement text" reported here: https://findandreplace.codeplex.com/discussions/541024 Fix for finding replacing...VG-Ripper & PG-Ripper: VG-Ripper 2.9.59: changes NEW: Added Support for 'GokoImage.com' links NEW: Added Support for 'ViperII.com' links NEW: Added Support for 'PixxxView.com' links NEW: Added Support for 'ImgRex.com' links NEW: Added Support for 'PixLiv.com' links NEW: Added Support for 'imgsee.me' links NEW: Added Support for 'ImgS.it' linksXsemmel - XML Editor and Viewer: 29-MAY-2014: WINDOWS XP IS NO LONGER SUPPORTED If you need support for WinXP, download release 15-MAR-2014 instead. FIX: Some minor issues NEW: Better visualisation of validation issues NEW: Printing CHG: Disabled Jumplist CHG: updated to .net 4.5, WinXP NO LONGER SUPPORTEDPerformance Analyzer for Microsoft Dynamics: DynamicsPerf 1.20: Version 1.20 Improved performance in PERFHOURLYROWDATA_VW Fixed error handling encrypted triggers Added logic ACTIVITYMONITORVW to handle Context_Info for Dynamics AX 2012 and above with this flag set on AOS Added logic to optional blocking to handle Context_Info for Dynamics AX 2012 and above with this flag set on AOS Added additional queries for investigating blocking Added logic to collect Baseline capture data (NOTE: QUERY_STATS table has entire procedure cache for that db during...Toolbox for Dynamics CRM 2011/2013: XrmToolBox (v1.2014.5.28): XrmToolbox improvement XrmToolBox updates (v1.2014.5.28)Fix connecting to a connection with custom authentication without saved password Tools improvement New tool!Solution Components Mover (v1.2014.5.22) Transfer solution components from one solution to another one Import/Export NN relationships (v1.2014.3.7) Allows you to import and export many to many relationships Tools updatesAttribute Bulk Updater (v1.2014.5.28) Audit Center (v1.2014.5.28) View Layout Replicator (v1.2014.5.28) Scrip...Microsoft Ajax Minifier: Microsoft Ajax Minifier 5.10: Fix for Issue #20875 - echo switch doesn't work for CSS CSS should honor the SASS source-file comments JS should allow multi-line comment directivesClosedXML - The easy way to OpenXML: ClosedXML 0.71.1: More performance improvements. It's faster and consumes less memory.Kartris E-commerce: Kartris v2.6002: Minor release: Double check that Logins_GetList sproc is present, sometimes seems to get missed earlier if upgrading which can give error when viewing logins page Added CSV and TXT export option; this is not Google Products compatible, but can give a good base for creating a file for some other systems such as Amazon Fixed some minor combination and options issues to improve interface back and front Turn bitcoin and some other gateways off by default Minor CSS changes Fixed currenc...SimCityPak: SimCityPak 0.3.1.0: Main New Features: Fixed Importing of Instance Names (get rid of the Dutch translations) Added advanced editor for Decal Dictionaries Added possibility to import .PNG to generate new decals Added advanced editor for Path display entriesTiny Deduplicator: Tiny Deduplicator 1.0.1.0: Increased version number to 1.0.1.0 Moved all options to a separate 'Options' dialog window. Allows the user to specify a selection strategy which will help when dealing with large numbers of duplicate files. Available options are "None," "Keep First," and "Keep Last"Player Framework by Microsoft: Player Framework for Windows and WP v2.0: Support for new Universal and Windows Phone 8.1 projects for both Xaml and JavaScript projects. See a detailed list of improvements, breaking changes and a general overview of version 2 ADDITIONAL DOWNLOADSSmooth Streaming Client SDK for Windows 8 Applications Smooth Streaming Client SDK for Windows 8.1 Applications Smooth Streaming Client SDK for Windows Phone 8.1 Applications Microsoft PlayReady Client SDK for Windows 8 Applications Microsoft PlayReady Client SDK for Windows 8.1 Applicat...TerraMap (Terraria World Map Viewer): TerraMap 1.0.6: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles Added the ability to select multiple highlighted block types. Added a dynamic, interactive highlight opacity slider, making it easier to find highlighted tiles with dark colors (and fixed blurriness from 1.0.5 alpha). Added ability to find Enchanted Swords (in the stone) and Water Bolt books Fixed Issue 35206: Hightlight/Find doesn't work for Demon Altars Fixed finding Demon Hearts/Shadow Orbs Fixed inst...New ProjectsBooki-Framework: A very super simple framework for develop application on .net (University assignment)C# Datalayer Using Stored Procedures for CRUD Operations: A C# .net data layer that uses stored procedures for crud operations working on any database, while still utilizing object orientated design practices.CoMaSy: Contact Management InfoComposite Iconote: Composite Iconote is a .NET composite. This is a Final Project of Component-Oriented Programming subject in Duta Wacana Christian University YogyakartaCredit Component: CreditComponent give you more attractive view to present who is the developer from any desktop software, many animation can introduce whom the developer isDaQiu: ?????????，??????????????????Database Helper: Rapid Development of CRUD Operationdi_academy_test: Test projectEasy Rent - Car rental software: Easy Rent software is an open source vehicle rental software.Excel Trader: Current project aims to provide an Excel(TM) interface through ExcelDNA for the IBRx, QFIXRx and SusicoTrader API.FXJ Learning Project: This is a learning project with TFS serviceImage View Slider: This is a .NET component. We create this using VB.NET. Here you can use an Image Viewer with several properties to your application form. Try this out!Indonesian Red-Letter Day Calendar: This is an Indonesian version of Red Letter Day Calendar, a final project for Component Oriented Programming course in Duta Wacana Christian University.jquery learning: jquery learningMakePanoForGoogle: Converts Panorama created by Microsoft ICE to format compatible to Google ViewsPWA_AppWeb: This page and all its content were developed by José Brazeta, Luis Carta and João Martins as an assignment for Advanced Web Programing (AEP).SoccerEvaluator: Proyecto para realizar evaluaciones de marcadores de futbolTooltip Web Preview: WebPreview is a component which was made to preview a web page before the link is clicked.Traditional Calendar Component: Hello this is a component which will help you to convert BC calendar to Javanese Calendar and Chinese Calendar. Hope this can help you on developing aps :)Typed YetiBowl The Game: Typescript Version of Yetibowl, intended for comparing Yetibowl in Javascript vs Typescript

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• How does font rendering actually work?

  - by Andrea

  I realize that I know essentially nothing about the way fonts get rendered in my computer. From what I can observe, font rendering is generally made in a consistent way throughout the system. For instance, the subpixel font hinting settings that I configure in my DE control panel have influence on text which appears on window borders, in my browser, in my text editor and so on. (I should observe that some Java applications show a noticeable difference, so I guess they are using a different font rendering mechanism). What I get from the above is that probably all applications that need font rendering make use of some OS (or DE)-wide library. On the other hand, browsers usually manage their own rendering through a rendering engine, that takes care of positioning various items - including text - according to specific flow rules. I am not sure how these two facts are compatible. I would assume that the browser would have to ask the OS to draw a glyph at a given position, but how can it manage the flow of text without knowing beforehand how much space the glyph will take? Are there separate calls to determine the glyph sizes, so that the browser can manage the flow as if characters were little boxes that are later filled in by the OS? (Although this does not take care of kerning). Or is the OS responsible for drawing a whole text area, including text flow? Does the OS return the rendered glyph as a bitmap and leaves it to the application to draw that on the screen?

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• Why is hibernation still used?

  - by Moses

  I've never quite understood the original purpose of the Hibernation power state in Windows. I understand how it works, what processes take place, and what happens when you boot back up from Hibernate, but I've never truly understood why it's used. With today's technology, most notably with SSDs, RAM and CPUs becoming faster and faster, a cold boot on a clean/efficient Windows installation can be pretty fast (for some people, mere seconds from pushing the power button). Standby is even faster, sometimes instantaneous. Even SATA drives from 5-6 years ago can accomplish these fast boot times. Hibernation seems pointless to me when modern technology is considered, but perhaps there are applications that I'm not considering. What was the original purpose behind hibernation, and why do people still use it? Edit: I rescind my comment about hibernation being obsolete, as it obviously has very practical applications to laptops and mobile PCs, considering the power restrictions. I was mostly referring to hibernation being used on a desktop.

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• Why not install Msvcr71.dll into system32?

  - by hillu

  While looking for an authoritative source for the missing Msvcr71.dll that is needed by a few old applications, I stumbled across the MSDN article Redistribution of the shared C runtime component in Visual C++. The advice given to developers is to drop the DLL into the application's directory instead of system32 since DLLs in this directory are considered before the system paths. What can/will go wrong if I (as an administrator, not a developer) decide to take the lazy path and install Msvcr71.dll (and Msvcp71.dll while I'm at it) into the system32 directory (of 32 bit Windows XP or Windows 7 systems) instead of putting a copy in each application's directory? Is there another good solution to provide the applications with the needed DLLs that doesn't involve copying stuff to the application directories?

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• Slap the App on the VM for every private cloud solution! Really ?

  - by Anand Akela

  One of the key attractions of the general session "Managing Enterprise Private Cloud" at Oracle OpenWorld 2012 was an interactive role play depicting how to address some of the key challenges of planning, deploying and managing an enterprise private cloud. It was a face-off between Don DeVM, IT manager at a fictitious enterprise 'Vulcan' and Ed Muntz, the Enterprise Manager hero .   Don DeVM is really excited about the efficiency and cost savings from virtualization. The success he enjoyed from the infrastructure virtualization made him believe that for all cloud service delivery models ( database, testing or applications as-a-service ), he has a single solution - slap the app on the VM and here you go . However, Ed Muntz believes in delivering cloud services that allows the business units and enterprise users to manage the complete lifecycle of the cloud services they are providing, for example, setting up cloud, provisioning it to users through a self-service portal ,  managing and tuning the performance, monitoring and applying patches for database or applications. Watch the video of the face-off , see how Don and Ed address some of the key challenges of planning, deploying and managing an enterprise private cloud and be the judge ! ?

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• Which Graphics/Geometry abstraction to choose?

  - by Robz

  I've been thinking about the design for a browser app on the HTML5 canvas that simulates a 2D robot zooming around, sensing the world around it. I decided to do this from scratch just for fun. I need shapes, like polygons, circles, and lines in order to model the robot and the world it lives in. These shapes need to be drawn with different appearance attributes, like border/fill style/width/color. I also need to have geometry functions to detect intersections and containment for the robot's sensors and so that the robot doesn't go inside stuff. One idea for functions is to have two totally separate libraries, one to implement graphics (like drawShape(context, shape)) and one for geometry operations (like shapeIntersectsShape(shape1, shape2)). Or, in a more object-oriented approach, the shape objects themselves could implement methods to do their own graphics (shape.draw(context)) and geometry operations (shape1.intersects(shape2)). Then there is the data itself: whether the data to draw a shape and the data to do geometric operations on that shape should be encapsulated within the same object, or be separate structures (where one would contain the other, or both be contained inside another structure). How do existing applications that do graphics/geometry stuff deal with this? Is there one model that is best, or is each good for certain applications? Should the fact that I'm using Javascript instead of a more classical language change how I approach the design?

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• Copy-and-Pasted Test Code: How Bad is This?

  - by joshin4colours

  My current job is mostly writing GUI test code for various applications that we work on. However, I find that I tend to copy and paste a lot of code within tests. The reason for this is that the areas I'm testing tend to be similar enough to need repetition but not quite similar enough to encapsulate code into methods or objects. I find that when I try to use classes or methods more extensively, tests become more cumbersome to maintain and sometimes outright difficult to write in the first place. Instead, I usually copy a big chunk of test code from one section and paste it to another, and make any minor changes I need. I don't use more structured ways of coding, such as using more OO-principles or functions. Do other coders feel this way when writing test code? Obviously I want to follow DRY and YAGNI principles, but I find that test code (automated test code for GUI testing anyway) can make these principles tough to follow. Or do I just need more coding practice and a better overall system of doing things? EDIT: The tool I'm using is SilkTest, which is in a proprietary language called 4Test. As well, these tests are mostly for Windows desktop applications, but I also have tested web apps using this setup as well.

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• Social Media APIs and Their C# Counterparts

  Whether it's talking about current events or sharing photos of a family vacation, the world is now addicted to social networks. Businesses recognize this, and these days every business wants social media addressed in their applications. Facebook, Twitter, and other sites provide powerful APIs you can use to harness the power of social networking in your own applications. However, most of these APIs tend to return data formatted in any number of syndication formats that can be quite painful to work with. Luckily, there are many free .NET based libraries that make interacting with these APIs a breeze. Over the next several weeks, I'll be posting some information and examples specific to some of these libraries. Here are a few of them now for your consumption... TweetSharp Twitter exposes its API in the form of three different APIs, two REST APIs and one Streaming API. These APIs can be queried by making HTTP GET/POST requests to a specific URL with some required parameters. Unfortunately, ...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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• How can I reroute a sub-domain to localhost + port number?

  - by urig

  I have several web applications running on my developer machine. They mimic our production web applications which are hosted on sub-domain. For example, consider: api.myserver.com - is mimicked by 127.0.0.1:8000 www.myserver.com - is mimicked by 127.0.0.1:8008 and so on... How can I make it so that, on my Windows 7 machine, HTTP calls to "api.myserver.com" (note the lack of port number) are redirected to 127.0.0.1:8000 etc? Note that this needs to apply both to client-side calls (in the browser) and server-side calls (from IIS to Python development server and vice versa). Do I need a proxy to run locally to achieve this? Can you recommend such a tool?

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• XAMPP: Access Forbidden!

  - by Yar

  I just installed a fresh XAMPP on OSX. Apache runs and I can see the splash page. I open the httpd.conf and I set both places that point to htdocs to someplace else, which results in Apache showing an "Access Forbidden!" message. I plugged my directory here: <Directory "/Applications/XAMPP/xamppfiles/htdocs"> and here: DocumentRoot "/Applications/XAMPP/xamppfiles/htdocs" Most files have permissions like -rw-r--r--, but even if I set the index.php using chmod 777 nothing changes. Strangely, I just did this whole thing with MAMP and had no problems serving that directory, but it was slow.

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• How does one find out which application is associated with an indicator icon in Ubuntu 12.04?

  - by Amos Annoy

  It is trivial to do this in Ubuntu 10.04. The question is specific to Ubuntu 12.04. 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? (the examination of SM points out a rather poignant factor in the faster depletion and shortened run time on battery - the ambient quiescent CPU rate in 12.04 is now well over 20% when previously it was well under 10% in 10.04, between 5% and 7%!) (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.) 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 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

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• Application Scope v's Static - Not Quite the same

  - by Duncan Mills

  An interesting question came up today which, innocent as it sounded, needed a second or two to consider. What's the difference between storing say a Map of reference information as a Static as opposed to storing the same map as an application scoped variable in JSF?  From the perspective of the web application itself there seems to be no functional difference, in both cases, the information is confined to the current JVM and potentially visible to your app code (note that Application Scope is not magically propagated across a cluster, you would need a separate instance on each VM). To my mind the primary consideration here is a matter of leakage. A static will be (potentially) visible to everything running within the same VM (OK this depends on which class-loader was used but let's keep this simple), and this includes your model code and indeed other web applications running in the same container. An Application Scoped object, in JSF terms, is much more ring-fenced and is only visible to the Web app itself, not other web apps running on the same server and not directly to the business model layer if that is running in the same VM. So given that I'm a big fan of coding applications to say what I mean, then using Application Scope appeals because it explicitly states how I expect the data to be used and a provides a more explicit statement about visibility and indeed dependency as I'd generally explicitly inject it where it is needed.  Alternative viewpoints / thoughts are, as ever, welcomed...

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