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  • Quality of Code in unit tests?

    - by m3th0dman
    Is it worth to spend time when writing unit tests in order that the code written there has good quality and is very easy to read? When writing this kinds of tests I break very often the Law of Demeter, for faster writing and not using so many variables. Technically, unit tests are not reused directly - are strictly bound to the code so I do not see any reason for spending much time on them; they only need to be functionaly.

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  • Keeping it Legal - Privacy Policy & PCI Compliance

    One of the most overlooked aspects of a website are the legal disclaimers such as the Privacy Policy and Terms of Use. This article is designed to help you put together these important web documents to keep you in compliance with federal law as well as Google (and other Search Engine's) best practices. Privacy Policy The Privacy Policy is extremely important.

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  • Diminishing Returns on Additional Developers

    - by smp7d
    Is there a term to describe the point at which adding more developers to a software project will provide diminishing returns? I realize that at a high level, it is more complicated that just a number of developers at which the project will be at productive capacity (ex/ state of the project, quality of the added developer), but I am trying to come up with a way to relate this to non-technical management through repetition. I'm basically looking for a term which invokes a strong image like "terminal velocity", except for Brook's Law.

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  • Architecture Best Practice (MVC): Repository Returns Object & Object Member Accessed Directly or Repository Returns Object Member

    - by coderabbi
    Architecturally speaking, which is the preferable approach (and why)? $validation_date = $users_repository->getUser($user_id)->validation_date; Seems to violate Law of Demeter by accessing member of object returned by method call Seems to violate Encapsulation by accessing object member directly $validation_date = $users_repository->getUserValidationDate($user_id); Seems to violate Single Responsibility Principle as $users_repository no longer just returns User objects

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  • Microsoft Refuses to Follow Others` Lead on China Censorship

    Despite receiving sharp criticism from U.S. officials Microsoft has remained stout in their stance on continuing to do business with China. At the heart of the entire issue is Internet censorship. Chinese law dictates that search engines that wish to do business in the powerful nation must abide by their laws concerning censorship of Internet search results.... Business Productivity Online Suite From $10 per user per month. Includes a 12-month subscription. Min 5 seats.

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  • "Half of everything you know will be obsolete in 18-24 months" = ( True, or False? )

    - by blunders
    Just ran across this, and wondering if anyone has a way to prove or disprove this statement: Something to keep in mind ... what's the half-life of knowledge in high tech? It tracks with Moore's Law: half of everything you know will be obsolete in 18-24 months. SOURCE: Within answer by Craig Trader to this question "What is the single most effective thing you did to improve your programming skills?"

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  • MPEG LA Shrugs Off Antitrust Allegations

    <b>Law.com:</b> "MPEG LA, as we've told you here and here, is in the business of issuing licenses for pools of patents related to digital video technology. Companies that want to make consumer technology products can take a license from MPEG LA and not worry about being sued."

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  • Enforcement of the GNU GPL in Germany and Europe

    <b>Groklaw:</b> "GPL enforcement is successful in Europe. In several court decisions and out of court settlements the license conditions of the GPL have been successfully enforced. In particular, embedded systems are the main focus of such compliance activities. The article describes the practice of enforcement activities and the legal prerequisites under the application of German law."

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  • Botnet Malware Sleeps Eight Months Activation, Child Concerns

    Daily Safety Check experts used a computer forensic analysis of a significant botnet that consisted of Carberp and SpyEye malware to come up with the details for their report. The analysis found that the botnet profiled the behavior of the slave computers it infected, similar to surveillance techniques used by law enforcement agencies, for an average of eight months. During the eight months, the botnet analyzed each computer's users and assigned ratings to certain activities to form a complete profile for each. Doing so allowed those behind the scheme to determine which were the most favora...

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  • The need to reduce mesh count

    - by OJW
    In Panda3d, I load a model and place 10000 references to it in the scene-graph. It runs at (say) 2Hz. I load a 3d model containing 10000 copies of that exact same object, and it runs at (say) 60Hz. As does using the flattenStrong() command which is effectively the same thing but at runtime. So the question is: is this behaviour a peculiarity of Panda3d, or is it a fundamental law which applies to all games engines?

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  • SQL Server Editions and Integration Services

    The SQL Server 2005 and SQL Server 2008 product family has quite a few editions now, so what does this mean for SQL Server Integration Services? Starting from the bottom we have the free edition known as Express, and the entry level Workgroup edition, as well as the new Web edition. None of these three include the full SSIS product, but they do all include the SQL Server Import and Export Wizard, with access to basic data sources but nothing more, so for simple loading and extraction of data this should suffice. You will not be able to build packages though, this is just a one shot deal aimed at using the wizard on an ad-hoc basis. To get the full power of Integration Services you need to start with Standard edition. This includes the BI Development Studio, for building your own packages, and fully functional IDE integrated into Visual Studio. (You get the full VS 2005/2008 IDE with the product). All core functions will be available but with a restricted set of transformations and tasks. The SQL Server 2005 Features Comparison or Features Supported by the Editions of SQL Server 2008 describes standard edition as having basic transforms, compared to Enterprise which includes the advanced transforms. I think basic is a little harsh considering the power you get with Standard, but the advanced covers the truly ground-breaking capabilities of data mining, text mining and cleansing or fuzzy transforms. The power of performing these operations within your ETL pipeline should not be underestimated, but not all processes will require these capabilities, so it seems like a reasonable delineation. Thankfully there are no feature limitations or artificial governors within Standard compared to Enterprise. The same control flow and data flow engines underpin both editions, with the same configuration and deployment options allowing you to work seamlessly between environments and editions if using the common components. In fact there are no govenors at all in SSIS, so whilst the SQL Database engine is limited to 4 CPUs in Standard edition, SSIS is only limited by the base operating system. The advanced transforms only available with Enterprise edition: Data Mining Training Destination Data Mining Query Component Fuzzy Grouping Fuzzy Lookup Term Extraction Term Lookup Dimension Processing Destination Partition Processing Destination The advanced tasks only available with Enterprise edition: Data Mining Query Task So in summary, if you want SQL Server Integration Services, you need SQL Server Standard edition, and for the more advanced tasks and transforms you need SQL Server Enterprise edition. To recap, the answer to the often asked question is no, SQL Server Integration Services is not available in SQL Server Express or Workgroup editions.

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  • 6 Interesting Facts About NASA’s Mars Rover ‘Curiosity’

    - by Gopinath
    Humans quest for exploring the surrounding planets to see whether we can live there or not is taking new shape today. NASA’s Mars probing robot, Curiosity, blasted off today on its 9 months journey to reach Mars and explore it for the possibilities of life there. Scientist says that Curiosity is one most advanced rover ever launched to probe life on other planets. Here is the launch video and some analysis by a news reporter Lets look at the 6 interesting facts about the mission 1. It’s as big as a car Curiosity is the biggest ever rover ever launched by NASA to probe life on outer planets. It’s as big as a car and almost double the size of its predecessor rover Spirit. The length of Curiosity is around 9 feet 10 inches(3 meters), width is 9 feet 1 inch (2.8 meters) and height is 7 feet (2.1 meters). 2. Powered by Plutonium – Lasts 24×7 for 23 months The earlier missions of NASA to explore Mars are powered by Solar power and that hindered capabilities of the rovers to move around when the Sun is hiding. Due to dependency of Sun the earlier rovers were not able to traverse the places where there is no Sun light. Curiosity on the other hand is equipped with a radioisotope power system that generates electricity from the heat emitted by plutonium’s radioactive decay. The plutonium weighs around 10 pounds and can generate power required for operating the rover close to 23 weeks. The best part of the new power system is, Curiosity can roam around in darkness, light and all year around. 3. Rocket powered backpack for a science fiction style landing The Curiosity is so heavy that NASA could not use parachute and balloons to air-drop the rover on the surface of Mars like it’s previous missions. They are trying out a new science fiction style air-dropping mechanism that is similar to sky crane heavy-lift helicopter. The landing of the rover begins first with entry into the Mars atmosphere protected by a heat shield. At about 6 miles to the surface, the heat shield is jettisoned and a parachute is deployed to glide the rover smoothly. When the rover touches 3 miles above the surface, the parachute is jettisoned and the eight motors rocket backpack is used for a smooth and impact free landing as shown in the image. Here is an animation created by NASA on the landing sequence. If you are interested in getting more detailed information about the landing process check this landing sequence picture available on NASA website 4. Equipped with Star Wars style laser gun Hollywood movie directors and novelist always imagined aliens coming to earth with spaceships full of laser guns and blasting the objects which comes on their way. With Curiosity the equations are going to change. It has a powerful laser gun equipped in one of it’s arms to beam laser on rocks to vaporize them. This is not part of any assault mission Curiosity is expected to carry out, the laser gun is will be used to carry out experiments to detect life and understand nature. 5. Most sophisticated laboratory powered by 10 instruments Around 10 state of art instruments are part of Curiosity rover and the these 10 instruments form a most advanced rover based lab ever built by NASA. There are instruments to cut through rocks to examine them and other instruments will search for organic compounds. Mounted cameras can study targets from a distance, arm mounted instruments can study the targets they touch. Microscopic lens attached to the arm can see and magnify tiny objects as tiny as 12.5 micro meters. 6. Rover Carrying 1.24 million names etched on silicon Early June 2009 NASA launched a campaign called “Send Your Name to Mars” and around 1.24 million people registered their names through NASA’s website. All those 1.24 million names are etched on Silicon chips mounted onto Curiosity’s deck. If you had registered your name in the campaign may be your name is going to reach Mars soon. Curiosity On Web If you wish to follow the mission here are few links to help you NASA’s Curiosity Web Page Follow Curiosity on Facebook Follow @MarsCuriosity on Twitter Artistic Gallery Image of Mars Rover Curiosity A printable sheet of Curiosity Mission [pdf] Images credit: NASA This article titled,6 Interesting Facts About NASA’s Mars Rover ‘Curiosity’, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • How To Make NVIDIA’s Optimus Work on Linux

    - by Chris Hoffman
    Many new laptops come with NVIDIA’s Optimus technology – the laptop includes both a discrete NVIDIA GPU for gaming power and an onboard Intel GPU for power savings. The notebook switches between the two when necessary. However, this isn’t yet well-supported on Linux. Linus Torvalds had some choice words for NVIDIA regarding Optimus not working on Linux, and NVIDIA is now currently working on official support. However, if you have a laptop with Optimus support, you don’t have to wait for NVIDIA — you can use the Bumblebee project’s solution to enable Optimus on Linux today. Image Credit: Jemimus on Flickr How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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  • Sun Ray 3 Plus Appliance Announced

    - by [email protected]
    There were many of you out there wondering if Oracle was going to keep and add to the Sun Ray and Sun virtualized desktop product suite, there have been a number of affirmative statements over the last many months. However, none of them resound like this; the introduction of a new product pretty much proves the point. A couple minutes before 3:00, local time yesterday, Oracle announced the release of a new Sun Ray, appliance, the Sun Ray 3 Plus. This is the unit that will replace the SR 2 FS (which has been for sale now since the middle of last decade).  Physically it is about the same size as the 2 FS but there are some significant differences... As you can see there is no smart card reader in the front - that has moved to the top to ensure only one hand is required to insert the card.  There is also a larger surround on the card reader that lights up to show the user the card is being read (properly).  A new power on/off switch is on the front which essentially brings power consumption to ~0 watts, but there is also a new 'sleep' timer looking for 30 minutes of inactivity and then will drop the power consumption down to ~ 1watt. There are also 2 USB 2.0 ports are accessible on the front instead of one.  The standard mic in and headphone out ports are there as well.  There is even more interesting stuff on the back. From the top down there are two more USB 2.0 ports for a total of four, but then the Oracle "Peripheral Kit" keyboard includes a 3-port USB Hub, too.  There's a 10/100/1000 Ethernet port as well as a 1000 Mb SFP port.  Standard DB-9 Serial port and then two DVI ports.  Then there is the really big news.  Two DVI ports driving 2560 x 1600 resolution, each. Most PCs can't do that without adding an adapter card.Now the images I have here are ones taken on a prototype a couple months back.  They are essentially the same as the Production unit, but if you would like to see an image of the Production Sun Ray 3 Plus unit you can see one here. There is a full data sheet available here. So this is the first Oracle Sun Ray desktop appliance.  Proof that the product line lives on.  A very good start!

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  • Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff

    - by The Geek
    Yesterday Microsoft announced the release candidate of Internet Explorer 9, which is very close to the final product. Here’s a screenshot tour of the most interesting new stuff, as well as answers to your questions. The most important question is should you install this version? And the answer is absolutely yes. Even if you don’t use IE, it’s better to have a newer, more secure version on your PC. What’s New Under the Hood in Release Candidate vs Beta? If you want to see the full list of changes with all the original marketing detail, you can read Microsoft’s Beauty of the Web page, but here’s the highlights that you might be interested in. Improved Performance – they’ve made a lot of changes, and it really feels faster, especially when using more intensive web apps like Gmail. Power Consumption Settings – since the JavaScript engine in any browser uses a lot of CPU power, they’ve now integrated it into the power settings, so if you’re on battery it will use less CPU, and save battery life. This is really a great change. UI Changes – The tab bar can now be moved below the address bar (see below for more), they’ve shaved some pixels off the design to save space, and now you can toggle the Menu bar to be always on. Pinned Sites – now you can pin multiple pages to a single taskbar button. Very useful if you always use a couple web apps together. You can also pin a site in InPrivate mode. FlashBlock and AdBlock are Integrated (sorta) – there’s a new ActiveX filtering that lets you enable plug-ins only for sites you trust. There’s also a tracking protection list that can block certain content (which can obviously be used to block ads). Geolocation – while a lot of privacy conscious people might complain about this, if you use your laptop while traveling, it’s really useful to have geo-located features when using Google Maps, etc. Don’t worry, it won’t leak your privacy by default. WebM Video – Yeah, Google recently removed H.264 from Chrome, but Microsoft has added Google’s WebM video format to Internet Explorer. Keep reading for more about using the new features Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines The 50 Faces of Mario Death [Infographic] Clean Up Google Calendar’s Interface in Chrome and Iron The Rise and Fall of Kramerica? [Seinfeld Video] GNOME Shell 3 Live CDs for OpenSUSE and Fedora Available for Testing Picplz Offers Special FX, Sharing, and Backup of Your Smartphone Pics BUILD! An Epic LEGO Stop Motion Film [VIDEO]

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  • libimobiledevice wants to remove all my other packages

    - by Dror Cohen
    When running the command sudo apt-get remove libimobiledevice2 I get: The following packages will be REMOVED: ... gdm gdm-guest-session gnome-power-manager gnome-session gnome-session-bin gvfs-backends indicator-power indicator-session kde-plasma-desktop kde-standard libgpod-common libgpod4 libimobiledevice2 nautilus-share ubuntu-desktop upower` Is it really nessecary to remove all of my KDE and Gnome packages? The source of the problem is that the installed oneric package doesn't recognize my ios 5.1 - so I wanted to switch to the latest and greatest (1.0.7 and if that's not good enough I'll go to the dev version 1.1.2). I'm using oneric 64bit.

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