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• Java dropping half of UDP packets

  - by Andrew Klofas

  Greetings, I have a simple client/server setup. The server is in C and the client that is querying the server is Java. My problem is that, when I send bandwidth-intensive data over the connection, such as Video frames, it drops up to half the packets. I make sure that I properly fragment the udp packets on the server side (udp has a max payload length of 2^16). I verified that the server is sending the packets (printf the result of sendto()). But java doesn't seem to be getting half the data. Furthermore, when I switch to TCP, all the video frames get through but the latency starts to build up, adding several seconds delay after a few seconds of runtime. Is there anything obvious that I'm missing? I just can't seem to figure this out. Thanks, Andrew

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• Drag and drop image from and to fixed position on fixed path

  - by DMan

  I am trying to allow the user to drag and drop and image from on position to another. The screen layout is as follows: 1 2 3 4 5 6 7 8 9 I want the user to grab image 2, 4, 6, or 8 and drag it to image 5. Upon dragging to image 5 I want to load up a fragment. The user can only drag the image in a straight line from it's current position to 5's position. ie image 2 and only drag down and only until it is overtop of image 5, image 4 can only drag right until overtop of 5, etc. Any insight on how to do this is greatly appreciated. Thanks, DMan

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• BI Applications 7.9.6.3 and EBS 12.1.3 Vision: Integrated Demo Environments

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

  If you need a combined BI-Applications + eBusiness Suite Applications demonstration environment, or for proof of concept work for your customers, then these versions of images on Oracle Virtual Box are now available for partners to download and use.  To get access to these images, Partners must be OPN members, specialised in OBI or BI-Apps.   This is an integrated Demo/Test Drive/POC/Self Enablement environment including two separate images (in English) representing the entire Oracle Stack – Applications, Middleware, Database, Operating System and Virtual Machine. Minimum Hardware requirements for each image to run separately 4GB RAM Minimum Hardware requirements for both images to run concurrently 8GB RAM Dual CPU 64 bit OS   BI Applications 7.9.6.3 Linux based and running on Oracle Virtual Box and compatible with OVM Image Content: BI Application Analytics demo data extracted from EBS 12.1.3 Vision for Financials and HR using EBS 12.1.3 Vision (image supplied) Built Integration to EBS 12.1.3 Vision image (provided). Fully functional BI Applications 7.9.6.3 software install and configuration Image can be connected to load any data from any other compatible source system. BI Apps Demo data is based on OOTB EBS Vision 12.1.3 Configured to run BI Apps data load for all other modules of EBS 12.1.3 Vision. Includes OBIEE Sample demonstration content Documented scripts for running presentations, demonstrations and Test Drives Image Size: 34GB zip, 84GB unzip.  Min Hardware 4GB RAM         EBS Vision 12.1.3 Linux based and running on Oracle Virtual Box and compatible with OVM Image Content: eBusiness Suite (EBS) Applications Vision 12.1.3 Standard Vision instance with all given setups, configurations and data Source system for BI Apps 7.9.6.3 Image Size: 76GB zip, 300GB unzip.  Min Hardware 4GB RAM Distribution: The Virtual Box images are posted on an external FTP server @ BI Applications 7.9.6.3 EBS12.1.3   To download, Partners need to request the current password to access the images.  To request the current ftp.oracle.com password and the password required to unzip the images, please email Marek Winiarski   Support Contact =  Marek Winiarski: Oracle Partner Solution Consultant

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• Lenovo Ideapad 205 and Ubuntu 12.04 LTS

  - by Oranges

  I just wanted to report one thing, because I know there are a lot of Ideapad S205 users out there, that had issues running Ubuntu on their Lenovo Ideapad S205 in the past. Lenovo Ideapad with Ubuntu 12.04 LTS: Everything works out of the box. I just installed it and everything, including the microphone, the webcam, the WLAN, the AMD E-350 CPU/GPU and the sound worked right away. In other words: Everything works. Even the AMD E-350 GPU works very well with the Open Source drivers and with the prop. drivers. The prop. drivers were automatically offered to me via Ubuntu itself. It works great. A long idea, written short: I love it. It's extremly stable and very fast. I am using the German version of the Idepad S205, combined with the 32bit version of Ubuntu. There is only one, single thing to keep in mind when installing Ubuntu on the S205: Plugin your USB/CD/DVD drive in the left USB-Port. I don't know why, but it only works with the USB-Port on the left side of the Netbook. This is only for installing Ubuntu. After it has been installed and updated successfully, all of the USB ports will work. Oranges - feedback on Lenovo S205 with Ubuntu 12.04 LTS.

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• Multi language site - use of canonical link and link rel="alternate"

  - by julia

  I keep reading everywhere that if you have a multilanguage site, where the same page appears in, say, French and English, then this is considered as duplicate content by google. It is written that using canonical link is the solution, but I do not understand how to use it in this case. Should I: Choose either French URL or English URL to be the canonical (main) one, and where I will place the canonical link? If so, how do I decide which of the two URLs must be canonical? both languages are important to me and I want the content under both languages to be indexed by google and served to the user, depending on the language in which he searches. OR should I place a canonical link on both French and English URLs? If so, then I do not understand the meaning of using the canonical link? In this case would both URLs be indexed, are both of them considered as "important" by google and not duplicates? Also I read that link rel="alternate" can be used to indicate to google that, for example the French URL is the French-language equivalent of the English page. This makes sense and I understand how to use such links, but how are they combined with canonical links? Should I define both the canonical URL AND specify rel="alternate" in both URLs? Could someone help me to clarify this, cause I'm stuck with this and can't seem to find a good-enough explanation in different sources.

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• Crystal Report 2010 Hosting Has Been Supported by ASPHostPortal

  - by mbridge

  This is the press release from ASPHostPortal and I see that they have supported Crystal Report 2010. For the complete information, please read this press release. :-)   ASPHostPortal is a premiere web hosting company that specialized in Windows and ASP.NET-based hosting. Now, ASPHostPortal.com supports the new Crystal Report 2010 Hosting. For more information about this new product, please visit ASPHostPortal official website at http://www.asphostportal.com or http://asphostportal.com/Cheap-Crystal-Report-2010-Hosting.aspx. Crystal Reports is a business intelligence application used to design and generate reports from a wide range of data sources. Several other applications, such as Microsoft Visual Studio, bundle an OEM version of Crystal Reports as a general purpose reporting tool. Crystal Reports became the de facto standard report writer when Microsoft released it with Visual Basic. "ASPHostPortal has again proved its existence in hosting industry with the launch of the new Crystal Report 2010 Hosting," said Dean Thomas, General Manager of ASPHostPortal. "Crystal Reports 2010 is a powerful, dynamic, actionable reporting solution that helps you design, explore, visualize, and deliver reports via the web or embedded in enterprise applications. It enables end users to consume reports with stunning visualizations, conduct on-report business modelling, and execute decisions instantly from the report itself—reducing dependency on IT and developers." "Get a clearer view of your business performance with our industry-leading report designer and visualization combined solution. You'll be able to create highly formatted reports with what-if scenario models, interactive dashboards and charts," said Chris Thompson, Sales Manager ASPHostPortal. "Here you can see the demonstration of Crystal Report 2010, http://crystalreportdemo.asphostportal.com."

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• VHOST not working in Apache

  - by Starx

  I got a LAMP server working in Ubuntu 11.04. Now the problem is that the websites have to enabled and disabled from the terminal. All all of them have to be accessed from http://localhost which is not so much efficient. So I created a VHOSTS, using some tutorials off the net. Here is the coding for it <VirtualHost *:80> ServerAdmin webmaster@localhost Servername site.com ServerAlias www.site.com DocumentRoot /home/starx/public_html/site/public <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /home/starx/public_html/site/public> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> nGen ErrorLog ${APACHE_LOG_DIR}/site-error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/site-access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> Now, still I can't access the page in http://site.com but if i access using http://localhsot/ it is accessed. I have disabled all others site including default and have just enabled one site i.e. site How to fix this?

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• Practical considerations for HTML / CSS naming conventions (syntax)

  - by Jeroen

  Question: what are the practical considerations for the syntax in class and id values? Note that I'm not asking about the semantics, i.e. the actual words that are being used, as for example described in this blogpost. There are a lot of resources on that side of naming conventions already, in fact obscuring my search for practical information on the various syntactical bits: casing, use of interpunction (specifically the - dash), specific characters to use or avoid, etc. To sum up the reasons I'm asking this question: The naming restrictions on id and class don't naturally lead to any conventions The abundance of resources on the semantic side of naming conventions obscure searches on the syntactic considerations I couldn't find any authorative source on this There wasn't any question on SE Programmers yet on this topic :) Some of the conventions I've considered using: UpperCamelCase, mainly as a cross-over habit from server side coding lowerCamelCase, for consistency with JavaScript naming conventions css-style-classes, which is consistent with naming of css properties (but can be annoying when Ctrl+Shift+ArrowKey selection of text) with_under_scores, which I personally haven't seen used much alllowercase, simple to remember but can be hard to read for longer names UPPERCASEFTW, as a great way to annoy your fellow programmers (perhaps combined with option 4 for readability) And probably I've left out some important options or combinations as well. So: what considerations are there for naming conventions, and to which convention do they lead?

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• Android: onClick on LinearLayout with TextView and Button

  - by Terry

  I have a Fragment that uses the following XML layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/card" android:clickable="true" android:onClick="editActions" android:orientation="vertical" > <TextView android:id="@+id/title" style="@style/CardTitle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:duplicateParentState="true" android:text="@string/title_workstation" /> <Button android:id="@+id/factory_button_edit" style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" android:duplicateParentState="true" android:text="@string/label_edit" /> </LinearLayout> As you can see, I have an onClick parameter set on LinearLayout. Now on the TextView this one is triggered correctly, and on all empty area. Just on the Button it doesn't invoke the onClick method that I set. Is this normal? What do I have to do so that the onClick method is invoked everywhere on the LinearLayout?

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• Can't configure Bluetooth drivers for mac mini 4,1

  - by t0dbld

  upon following the instructions on thread for mac mini leading to me to a thread for a fix for BlueTooth, i follow the instructions (even they are for other Mac's) i get it to fire up and combined with hcitool i managed to connect my apple track pad and keyboard... how ever upon reboot im back to bluetooth telling me there are no drivers nothing works, yet all the files are still there? This is driving me nuts and i caant figure out what i could be doing do you have any ideas what would make this happen ? lsusb results Bus 004 Device 007: ID 05ac:8218 Apple, Inc. Bus 004 Device 006: ID 05ac:820b Apple, Inc. Bus 004 Device 005: ID 05ac:820a Apple, Inc. Bus 004 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 004 Device 003: ID 05ac:8242 Apple, Inc. IR Receiver [built-in] Bus 004 Device 002: ID 03f0:1c24 Hewlett-Packard Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 054c:031f Sony Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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• How to add global exception handling to a add-in dll?

  - by redjackwong

  Here's my context: I am writing a WPF add-in for an application. This Application's main thread is unmanaged. I want to add a global exception handling system for this add-in to handle any unhandled exceptions. Here's what I've tried but not working: I cannot add a try-catch block to my Application.Run() code line. Because I am an add-in, that code fragment is in the application. System.Windows.Forms.Application.ThreadException is not working too. There might not be an WinForm Application exists. (WPF hosting in unmanaged code.) AppDomain.CurrentDomain.UnhandledException is not working too. Because maybe it's handled by the Application itself. It just doesn't enter my code. So, any ideas for this situation?

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• Proper snowball analyzer configuration when using Grails Searchable Plugin

  - by Wirsbro

  To improve stemming we want to switch from the default analyzer to snowball, however, having a lot of difficulty with the proper settings and would appreciate any help. In Environment: - Sun's Java 1.6.16 - Grails 1.2.2 - Searchable Plug-In 0.5.5 Config.groovy: Have tried both settings: compassSettings = ['compass.engine.analyzer.stemmed.type': 'snowball', 'compass.engine.analyzer.stemmed.name': 'English'] compassSettings = ['compass.engine.analyzer.snowball.type': 'snowball', 'compass.engine.analyzer.snowball.name': 'English', 'compass.engine.analyzer.search.type': 'snowball', 'compass.engine.analyzer.search.name': 'English'] Search.groovy - The Invocation: def searchResult = searchableService.search(params.q, withHighlighter: { highlighter, index, sr if (!sr.highlights) { sr.highlights = [] } try { sr.highlights[index] = highlighter.fragments("content")[0..2].join(" ") } catch (IndexOutOfBoundsException ex) { sr.highlights[index] = highlighter.fragment("content") } }) def suggestion = searchableService.suggestQuery(params.q) if (suggestion != params.q) { searchResult.suggestedQuery = suggestion }

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• Oracle OpenWorld 2012 - Register Now - The Early Bird Gets the Reward

  - by Thanos

  Planning ahead is always a smart move, and it’s never been smarter than now. Register by July 13 for Oracle OpenWorld and save US$500 off the onsite fee. By acting now, you’ll guarantee yourself access to: 2,000-plus sessions Hundreds of demos Dozens of hands-on labs Daily keynote addresses Two vast Exhibition Halls What's more, you'll receive all this for hundreds of dollars less than if you register later. Get an inside line on the latest technology, learn how to optimize your existing systems, and ask questions directly to the strategists and developers responsible for the products you rely on every day to succeed at your company. If you’ve been to Oracle OpenWorld and are planning to attend again, it won’t pay to wait. And if this is your first time, here’s the opening you’ve been waiting for. Register today and save US$500 off the onsite fee. Discounts available to attendees completing registration by July 13, 2012, 11:00 p.m. (Pacific time). Discounts may not be combined with any other promotion, discount, reduced rate, or offer. Only one discount per attendee allowed. The Oracle OpenWorld and JavaOne Emerging Markets pass can be purchased at a discounted rate when attendees register and select countries within the EE, CIS & MEA regions from African Operations (except South Africa), Albania, Armenia, Azerbaijan, Bahrain, Belarus, Bosnia & Herzegovina, Bulgaria, Croatia, Czech Republic, Cyprus, Estonia, Egypt, FYR Macedonia, Georgia, Hungary, Iraq, Jordan, Kazakhstan, Kosoevo (formerly Republic of Yugoslavia), Kuwait, Kyrgyzstan, Latvia, Lebanon, Lithuania, Malta, Moldova, Montenegro, Oman, Palestine, Poland, Qatar, Romania, Russia, Saudi Arabia, Serbia, Slovakia, Slovenia, Tajikistan, Turkey, Turkmenistan, Ukraine, United Arab Emirates, Uzbekistan, and Yemen. Attendees from these countries will need to enter a  priority code as their discount code during the registration process, where they are prompted for a "Priority Code". Please contact your local A&C Manager or email us at partner.imc-AT-beehiveonline.oracle-DOT-com

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• Loading the Cache from the Business Application Server

  - by ACShorten

  By default, the Web Application server will directly connect to the Database to load its cache at startup time. Customers, who implement the product installation in distributed mode, where the Web Application Server and Business Application Server are deployed separately, may wish to prevent the Web Application Server to connect to the database directly. Installation of the product in distributed mode was introduced in Oracle Utilities Application Framework V2.2. In the Advanced Web Application Server configuration, it is possible to set the Create Simple Web Application Context (WEBAPPCONTEXT) to true to force the Web Application Server to load its cache via the Business Application rather than direct loading. The value of false will retain the default behavior of allowing the Web Application Server to connect directly to the database at startup time to load the cache. The value of true will load the cache data via direct calls to the Business Application Server, which can cause a slight delay in the startup process to cater for the architecture load rather than the direct load. The impact of the settings is illustrated in the figure below:                             When setting this value to true, the following properties files should be manually removed prior to executing the product: $SPLEBASE/etc/conf/root/WEB-INF/classes/hibernate.properties $SPLEBASE/splapp/applications/root/WEB-INF/classes/hibernate.properties Note: For customers who are using a local installation, where the Web Application Server and Business Application Server are combined in the deployed server, it is recommended to set this parameter to false, the default, unless otherwise required. This facility is available for Oracle Utilities Application Framework V4.1 in Group Fix 3 (via Patch 11900153) and Patch 13538242 available from My Oracle Support.

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• Is there a modified LGPL license that allows static linking?

  - by Petr Pudlák

  úLGPL requires that it if a program uses LGPL-ed library, users must be able to re-link the program with a different version of the library: ... d) Do one of the following: 0) Convey the Minimal Corresponding Source under the terms of this License, and the Corresponding Application Code in a form suitable for, and under terms that permit, the user to recombine or relink the Application with a modified version of the Linked Version to produce a modified Combined Work, in the manner specified by section 6 of the GNU GPL for conveying Corresponding Source. 1) Use a suitable shared library mechanism for linking with the Library. A suitable mechanism is one that (a) uses at run time a copy of the Library already present on the user's computer system, and (b) will operate properly with a modified version of the Library that is interface-compatible with the Linked Version. ... However in some cases, this can pose considerable difficulties. In particular, Haskell programs are almost always statically compiled. Moreover, the compiler does cross-module optimizations so it's very hard to satisfy this condition. (See this link at Haskell Wiki.) Therefore, I'm looking for a standard LGPL-like license that wouldn't require the possibility of re-linking. Some projects use their own modification of LGPL, for example wxWidgets. But I'd rather use some standard license that is somewhat more official, perhaps checked by some law experts, and (L)GPL compatible. Is there some like that? (Also I'd be interested to know if are there some unforeseen consequences of such a modification of LGPL.)

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• Latest News on Service, Field Service and Depot Repair Products

  - by LuciaC

  Service and Depot Repair Customer Advisory Boards (CAB) In November 2012 the Service and Depot Repair CAB joined together for a combined meeting at Oracle HQ in Redwood Shores, California to discuss all the latest news in the Oracle Service, Field Service and Depot Repair products.  Over four days attendees shared their experiences with implementing and using these EBS CRM products and heard details of recent enhancements and future product plans direct from Development. You can access all the Oracle presentations via Doc ID 1511768.1.  Here are just some of the highlights: Field Service: Next Generation Dispatch Center Endeca Integration Case Study: Oracle Sun Field Service implementation. Mobile Field Service: New capabilities for technician-facing applications Service: Integration with Oracle Projects New Teleservice enhancements Spares Management: Supplier Warranty External Repair Execution Oracle Knowledge (Inquira) Introduction for Service Organizations If you weren't at the CAB, take a look at these presentations for great information about what's new and what's coming up in these products. 12.1.3++ Features for Field Service, Mobile Field Service, Spares Management, FSTP & Advanced Scheduler In June 2012 the R12.1.3++ patches were released for Field Service, Mobile Field Service, FSTP and Advanced Scheduler.  These patches contain new and updated functionality for these CRM Service suite modules.  New functionality includes: Field Service/FSTP/MFS: Support for Transfer Parts across subinventories in different organizations Validation to ensure Installed Item matches Returned Item MFS Wireless - Support fro Special Address Creation MFS Wireless - Enhanced Debrief Flow Advanced Scheduler Scheduler UI - Display of Spares Sourcing Information Auto Commit (Release) Tasks by Territory Dispatch Center UI - Display Spare Parts Arrival Information Spares Management Enhancements to the Task Reassignment Process Enhancements to the Parts Requirements UI Supply Chain Enhancements to allow filtering of ship methods from source location by distance. Check the following notes for more details and relevant patch numbers:Doc ID 1463333.1 - Oracle Field Service Release Notes, Release 12.1.3++Doc ID 1452470.1 - Field Service Technician Portal 12.1.3++ New FeaturesDoc ID 1463066.1 - Oracle Advanced Scheduler Release Notes, Release 12.1.3++ Doc ID 1463335.1 - Oracle Spares Management Release Notes, Release 12.1.3++ Doc ID 1463243.1 - Oracle Mobile Field Service Release Notes, Release 12.1.3++

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• Regex to detect a proper permalink?

  - by Fedor

  These permalinks above are rerouted to my page: page.php?permalink=events/foo page.php?permalink=events/foo/ page.php?permalink=ru/events/foo page.php?permalink=ru/events/foo/ The events is dynamic, it could be specials or packages. My dilemma is basically; I need to detect an empty link in order so I can feed a robots no index meta tag in the case of: page.php?permalink=events page.php?permalink=events/ page.php?permalink=ru/events/ page.php?permalink=ru/events I can't use a simple pattern such as [a-zA-Z]+\/?(.+)/ since it won't work on the i18n permalinks. What regex could I use which would detect this, using $_GET['permalink'] as the reference to the permalinks? And avoid false positives? Update: Empty link means there's no fragment after the "events/" part. These are empty: page.php?permalink=events page.php?permalink=events/ page.php?permalink=ru/events/ page.php?permalink=ru/events

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• Oracle(R) Buys Pre-Paid Software Assets From eServGlobal

  - by Paulo Folgado

  Oracle to Deliver Scalable Carrier-Grade Pre-Paid Solution Based on Open, Flexible IT-Based Platform News Facts ·        Oracle has agreed to acquire certain pre-paid assets of eServGlobal, a provider of advanced IT-based, pre-paid charging solutions for the communications industry. ·        eServGlobal's Universal Service Platform (USP) includes a pre-paid charging application, a network-services platform and a messaging gateway. The ChargingMax, NumberMax, uVOMS, MessageMax, PromoMax Express and Social Relationship Management software currently supports more than 25 tier-one customers including the world's largest IT-based installation of pre-paid services. ·        The combination of Oracle Communications Billing and Revenue Management and the USP applications is expected to accelerate the shift from network- to IT-based pre-paid systems by providing the first convergent, open IT-based platform from a leading business software and hardware systems company. ·        Customers are expected to benefit from traditional carrier-grade, pre-paid service authorization with IT-grade flexibility that supports any service or network, is easier to deploy and maintain and delivers an overall lower total cost of ownership. ·        The transaction is expected to close in the second half of this year. Supporting Quote ·        "The majority of mobile phone users worldwide use pre-paid plans, and that number is growing exponentially. Oracle Communications applications combined with the pre-paid software assets from eServGlobal will provide our customers with highly available and scalable carrier-grade, pre-paid software on an open, convergent platform. This will enable our customers to deliver traditional pre-paid voice services and easily introduce hybrid pre-paid and post-paid plans with targeted pricing, promotions and service bundles that include voice, data and network services," said Liam Maxwell, vice president of products, Oracle Communications. Supporting Resources About Oracle and eServGlobal USP General Presentation FAQ

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• XNA - Saving Game Data without TypeWriter?

  - by Zabby

  In the past, I've had some trouble with reading and writing content for XNA. I think I'm firmly set on this tutorial which sets up a four project structure (Game, Content, Library, Pipeline Extension) for the solution that other websites suggest, too. The options it offers for content reading seem great. But problem! This tutorial (and all others I've found) have stated that the Content Pipeline Extension Project is not distributed with the game, which is fine in itself, but this is combined with the fact that any content writing objects are placed in this non-distributable library. The ability to actually write content of an already existing type (save game files, namely) is pretty critical to the project I'm trying to make. I've already learned the hard way you simply can't place the Content Pipeline reference in another project besides the extension for easier access to the intermediate deserializer. Is there another object I can access for writing save game data? Am I actually, despite the warnings of this tutorial, able to use the TypeWriter outside of the Content Pipeline Extension Project? Or is there a third option I am missing here?

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• DIY Carbonator Creates Pop Rocks Like Fizzy Fruit [Science]

  - by Jason Fitzpatrick

  If you’ve ever sat around wishing that scientists would stop wasting time trying to solve pressing global problems and instead genetically engineer a bizarre but delicious hybrid of Pop Rocks candy and wholesome fruit, this mad scientist experiment is for you. Over at Evil Mad Scientist Laboratories they share a really fun weekend project. Contributor Rich Faulhaber was looking for a way to make eating fruit extra fun and science-infused for his kids. His solution? Build a homemade carbon dioxide injector that infuses fruit with carbonation. Having trouble imagining that? Envision a bowl of strawberries where every strawberry burst into a crazy flurry of strawberry flavor and champagne bubbles every time you bit into it. Fizzy fruit! Hit up the link below to see how he took pretty common parts: a C02 tank from a paint ball gun, a water filter canister from the hardware store, and other cheap and readily available parts (with the exception of the gas regulator which he suggests you shop garage sales and surplus stores to find a deal on), and combined them together to create a C02 fruit infuser. Hit up the link below to read more about his setup and the procedure he uses to infuse fruit with carbonation. The C02inator [Evil Mad Scientist Laboratories via Hack a Day] HTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear MonitorsMacs Don’t Make You Creative! So Why Do Artists Really Love Apple?

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• How do I properly set up and secure a production LAMP Server?

  - by Niklas

  It's very hard to find comprehensive information on this subject. Either I found short tutorials on how you perform the installation, as simple as "apt-get install apache2", or outdated tutorials. So I was hoping I could get some professional information from my fellow members of the Ubuntu community :D I have performed a normal Ubuntu Server 11.04 with LAMP, SAMBA and SSH installed through the system installation. But I'm having some trouble setting up virtual hosts and to make the system secure enough to expose the server to the web. I've somewhat followed this tutorial this far. I have 3 sites in /etc/apache2/sites-available which all looks like this except for different site names: <VirtualHost example.com> ServerAdmin webmaster@localhost ServerAlias www.edunder.se DocumentRoot /var/www/sites/example CustomLog /var/log/apache2/www.example.com-access.log combined </VirtualHost> And I have enabled them with the command a2ensite so I have symbolic links in /etc/apache2/sites-enabled. My /etc/hosts file has these lines: 127.0.0.1 localhost 127.0.1.1 Ubuntu.lan Ubuntu 127.0.0.1 localhost.localdomain localhost example.com www.example.com 127.0.0.1 localhost.localdomain localhost example2.com www.example2.com 127.0.0.1 localhost.localdomain localhost example3.com www.example3.com And I can only access one of them from the browser (I have lynx installed on the server for testing purposes) so I guess I haven't set them up properly :) How should I proceed to get a secure and proper setup? I also use MySQL and I think that this tutorial will be enough to set up SSH securely. Please help me understanding Apache configuration better since I'm new to setting up my own server (I've only run XAMPP earlier) and please advise regarding how I should setup a firewall as well :D

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• Help with Strings in C

  - by Anon

  Given the char * variables name1 , name2 , and name3 , write a fragment of code that assigns the largest value to the variable max (assume all three have already been declared and have been assigned values). I've tried and came up with this: if ((strcmp(name1,name2)0)&&(strcmp(name1,name3)0)){ max=name1; } else if ((strcmp(name2,name1)0)&&(strcmp(name2,name3)0)){ max=name2; } else if ((strcmp(name3,name1)0)&&(strcmp(name3,name2)0)){ max=name3; } However, I get this error Your code is incorrect. You are not handling the situation                where two or more strings are equal.

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• What is the evidence that an API has exceeded its orthogonality in the context of types?

  - by hawkeye

  Wikipedia defines software orthogonality as: orthogonality in a programming language means that a relatively small set of primitive constructs can be combined in a relatively small number of ways to build the control and data structures of the language. The term is most-frequently used regarding assembly instruction sets, as orthogonal instruction set. Jason Coffin has defined software orthogonality as Highly cohesive components that are loosely coupled to each other produce an orthogonal system. C.Ross has defined software orthogonality as: the property that means "Changing A does not change B". An example of an orthogonal system would be a radio, where changing the station does not change the volume and vice-versa. Now there is a hypothesis published in the the ACM Queue by Tim Bray - that some have called the Bánffy Bray Type System Criteria - which he summarises as: Static typings attractiveness is a direct function (and dynamic typings an inverse function) of API surface size. Dynamic typings attractiveness is a direct function (and static typings an inverse function) of unit testing workability. Now Stuart Halloway has reformulated Banfy Bray as: the more your APIs exceed orthogonality, the better you will like static typing My question is: What is the evidence that an API has exceeded its orthogonality in the context of types? Clarification Tim Bray introduces the idea of orthogonality and APIs. Where you have one API and it is mainly dealing with Strings (ie a web server serving requests and responses), then a uni-typed language (python, ruby) is 'aligned' to that API - because the the type system of these languages isn't sophisticated, but it doesn't matter since you're dealing with Strings anyway. He then moves on to Android programming, which has a whole bunch of sensor APIs, which are all 'different' to the web server API that he was working on previously. Because you're not just dealing with Strings, but with different types, the API is non-orthogonal. Tim's point is that there is a empirical relationship between your 'liking' of types and the API you're programming against. (ie a subjective point is actually objective depending on your context).

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• Using LINQ to XML, how can I join two sets of data based on ordinal position?

  - by Donald Hughes

  Using LINQ to XML, how can I join two sets of data based on ordinal position? <document> <set1> <value>A</value> <value>B</value> <value>C</value> </set1> <set2> <value>1</value> <value>2</value> <value>3</value> </set2> </document> Based on the above fragment, I would like to join the two sets together such that "A" and "1" are in the same record, "B" and "2" are in the same record, and "C" and "3" are in the same record.

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• Working with data and meta data that are separated on different servers

  - by afuzzyllama

  While developing a product, I've come across a situation where my group wants to store meta data for data entry forms (questions, layout, etc) in a different database then the database where the collected data is stored. This is mostly for security because we want to be able to have our meta data public facing, while keeping collected data as secure as possible. I was thinking about writing a web service that provides the meta information that the data collection program could access. The only issue I see with this approach is the front end is going to have to match the meta data with the collected data, which would be more efficient as a join on the back end. Currently, this system is slated to run on .NET and MSSQL. I haven't played around with .NET libraries running in SQL, but I'm considering trying to create logic that would pull from the web service, convert the meta data into a table that SQL can join on, and return the combined data and meta data that way. Is this solution the wrong way to approach the problem? Is there a pattern or "industry standard" way of bringing together two datasets that don't live in the same database?

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