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• Radeon Mobility HD 5470 Not Working

  - by Promather

  I recently bought a new HP DV6-3118SA laptop, but I am having a very discouraging problem with the graphics card. The graphics card is Radeon Mobility HD 5470. It doesn't install by default, but I do get some message suggesting to install the driver. If I install that driver, the next time I reboot, the screen goes blank and that's it! The same happens if I install the proprietary driver (fglrx) from ATI website. Could you please help me with this? EDIT: Following @Ronald and @Oli advice, I am dumping the output of lspci -k: 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: agpgart-intel Kernel modules: intel-agp 00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port (rev 02) Kernel driver in use: pcieport Kernel modules: shpchp 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: i915 Kernel modules: i915 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) Subsystem: Hewlett-Packard Company Device 144a 00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05) Kernel driver in use: pcieport Kernel modules: shpchp 00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: ehci_hcd 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: ahci Kernel modules: ahci 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel modules: i2c-i801 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: intel ips Kernel modules: intel_ips 01:00.0 VGA compatible controller: ATI Technologies Inc Manhattan [Mobility Radeon HD 5000 Series] Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: radeon Kernel modules: radeon 01:00.1 Audio device: ATI Technologies Inc Manhattan HDMI Audio [Mobility Radeon HD 5000 Series] Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 02:00.0 Network controller: RaLink RT3090 Wireless 802.11n 1T/1R PCIe Subsystem: Hewlett-Packard Company Device 1453 Kernel driver in use: rt2800pci Kernel modules: rt2860sta, rt2800pci 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) Subsystem: Hewlett-Packard Company Device 144a Kernel driver in use: r8169 Kernel modules: r8169 7f:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02) Subsystem: Hewlett-Packard Company Device 144a 7f:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02) Subsystem: Hewlett-Packard Company Device 144a 7f:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02) Subsystem: Hewlett-Packard Company Device 144a 7f:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02) Subsystem: Hewlett-Packard Company Device 144a 7f:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02) Subsystem: Hewlett-Packard Company Device 144a 7f:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02) Subsystem: Hewlett-Packard Company Device 144a

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• Ubuntu and VirtualBox

  - by Sinan

  I have the following configuration, A host running Windows 7; A guest running Ubuntu 14.04 LTS (VirtualBox); I am connecting a Cisco router directly to my PC running Windows 7 and testing the router for netflow packets in the virtualBox I am having a difficulty capturing the traffic of the netflow from the Cisco device in my virtualBox using port 2222. I tried to use the many different networking modes provided by virutalBox (i.e. NAT, Bridged Adapter, Host only adapter) but I am not successful in capturing the netflow traffic. Could you please advise me on the configuration setup that need to be done on the virtual box to allow capturing the traffic coming from the router. I successfully capture the netflow traffic on my PC (windows 7). Thank you

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• Firefox stalls on rendering when chrome doesn't

  - by amccormack

  I have a webpage that loads quickly 100% of the time in chrome, but only 10% or so of the time in Firefox. Looking at the fiddler capture, Firefox only loads 2 of the 100ish files being pulled before it hangs. The error does not seem to be on the server or network side, however, because Chrome never encounters a problem. How do I find the root of this stall? While I suspect Firefox's javascript execution is what is causing the hang, are there any particular methods to narrow down the search for the bad code?

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• Weekend Project: Make Your Own Ferromagnetic Fluid

  - by Jason Fitzpatrick

  Experiments this simple and fun give you no reason to leave all science-based goofing off to the professionals: whip up a beaker of ferromagnetic fluid to capture magnetic waves in motion. The premise is simple: by combing a viscous liquid (in this case vegetable oil) with a magnetic powder (in this case MICR copy toner) and introducing a strong magnetic source (such as neodymium rare earth magnets), you can actually see the magnetic waves in physical space. It’s like the old magnetic filings on the table top trick, but in 3D. Check out the video above to see how you can mix up a batch of your own. How to Make Magnetic Fluid [YouTube] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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• Resources on how to relate structured and semi- / un-structured information

  - by Fritz Meissner

  I don't have a great background in information organisation / retrieval, but I know of a few ways of dealing with the problem. For structured information, it's possible to go OOish - everything "has-a" or "has-many" something else, and you navigate the graph to find relationships between things. For unstructured information, you have techniques like text search and tagging. What resources - articles or books - are there that summarise the CS theory behind these techniques or could introduce me to others? I'm developing a system that needs to handle capture and retrieval of information that ranges from necessarily unstructured (advice about X) to structured (list of Xs that relate to Ys) to a combination (Ys that relate to the advice about X) and I'd like to get some insight into how to do it properly.

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• ODI 12c - Aggregating Data

  - by David Allan

  This posting will look at the aggregation component that was introduced in ODI 12c. For many ETL tool users this shouldn't be a big surprise, its a little different than ODI 11g but for good reason. You can use this component for composing data with relational like operations such as sum, average and so forth. Also, Oracle SQL supports special functions called Analytic SQL functions, you can use a specially configured aggregation component or the expression component for these now in ODI 12c. In database systems an aggregate transformation is a transformation where the values of multiple rows are grouped together as input on certain criteria to form a single value of more significant meaning - that's exactly the purpose of the aggregate component. In the image below you can see the aggregate component in action within a mapping, for how this and a few other examples are built look at the ODI 12c Aggregation Viewlet here - the viewlet illustrates a simple aggregation being built and then some Oracle analytic SQL such as AVG(EMP.SAL) OVER (PARTITION BY EMP.DEPTNO) built using both the aggregate component and the expression component. In 11g you used to just write the aggregate expression directly on the target, this made life easy for some cases, but it wan't a very obvious gesture plus had other drawbacks with ordering of transformations (agg before join/lookup. after set and so forth) and supporting analytic SQL for example - there are a lot of postings from creative folks working around this in 11g - anything from customizing KMs, to bypassing aggregation analysis in the ODI code generator. The aggregate component has a few interesting aspects. 1. Firstly and foremost it defines the attributes projected from it - ODI automatically will perform the grouping all you do is define the aggregation expressions for those columns aggregated. In 12c you can control this automatic grouping behavior so that you get the code you desire, so you can indicate that an attribute should not be included in the group by, that's what I did in the analytic SQL example using the aggregate component. 2. The component has a few other properties of interest; it has a HAVING clause and a manual group by clause. The HAVING clause includes a predicate used to filter rows resulting from the GROUP BY clause. Because it acts on the results of the GROUP BY clause, aggregation functions can be used in the HAVING clause predicate, in 11g the filter was overloaded and used for both having clause and filter clause, this is no longer the case. If a filter is after an aggregate, it is after the aggregate (not sometimes after, sometimes having).  3. The manual group by clause let's you use special database grouping grammar if you need to. For example Oracle has a wealth of highly specialized grouping capabilities for data warehousing such as the CUBE function. If you want to use specialized functions like that you can manually define the code here. The example below shows the use of a manual group from an example in the Oracle database data warehousing guide where the SUM aggregate function is used along with the CUBE function in the group by clause. The SQL I am trying to generate looks like the following from the data warehousing guide; SELECT channel_desc, calendar_month_desc, countries.country_iso_code,       TO_CHAR(SUM(amount_sold), '9,999,999,999') SALES$ FROM sales, customers, times, channels, countries WHERE sales.time_id=times.time_id AND sales.cust_id=customers.cust_id AND   sales.channel_id= channels.channel_id  AND customers.country_id = countries.country_id  AND channels.channel_desc IN   ('Direct Sales', 'Internet') AND times.calendar_month_desc IN   ('2000-09', '2000-10') AND countries.country_iso_code IN ('GB', 'US') GROUP BY CUBE(channel_desc, calendar_month_desc, countries.country_iso_code); I can capture the source datastores, the filters and joins using ODI's dataset (or as a traditional flow) which enables us to incrementally design the mapping and the aggregate component for the sum and group by as follows; In the above mapping you can see the joins and filters declared in ODI's dataset, allowing you to capture the relationships of the datastores required in an entity-relationship style just like ODI 11g. The mix of ODI's declarative design and the common flow design provides for a familiar design experience. The example below illustrates flow design (basic arbitrary ordering) - a table load where only the employees who have maximum commission are loaded into a target. The maximum commission is retrieved from the bonus datastore and there is a look using employees as the driving table and only those with maximum commission projected. Hopefully this has given you a taster for some of the new capabilities provided by the aggregate component in ODI 12c. In summary, the actions should be much more consistent in behavior and more easily discoverable for users, the use of the components in a flow graph also supports arbitrary designs and the tool (rather than the interface designer) takes care of the realization using ODI's knowledge modules. Interested to know if a deep dive into each component is interesting for folks. Any thoughts? 

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• Trying to develop a game with android for cracking glasses in different dimensions

  - by user46514

  I am trying to develop a game in android where I will have to punch a hole to get through the glass but not shatter the glass completely. The glass will show up in different forms of polygons and when a hole is created by a projectile, the rest of the polygon will still remain intact.Only a polygonal opening will get created at the point of impact with the projectile. I am new at game design in android but I was thinking that I would create a random polygon shape to show in the path and then at the point where the projectile hits it, I could create a glass polygon to create a splinter effect. The rest of the part of the glass that is randomly created at the point of impact, I could further splinter it into polygons flying at different angle. since I also need to capture the bits of glasses flying off and falling down with gravity. Is my solution the best efficient one at performance of threads or is there a better solution for this glass breaking effect. Thanks Dhiren

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• InstantWild: Identify Animals From Around the World; Help Scientists

  - by Jason Fitzpatrick

  Web-based/iPhone: InstantWild is an iOS and web application that displays research cameras from around the world; help scientists by turning your eco-voyeurism into positive identification of endangered species. It’s a neat mashup of a fun application and legitimate research. There are hundreds of remote cameras set up around the world, designed to capture photographs of animals (especially endangered ones) in their native habitats. When you visit InstantWild (or load the app on your iPhone) you’re treated to pictures from all around the world. In the course of browsing those photos from around the world you can help out by tagging the animals in the photos to assist zoologists and other scientists in their research. Hit up the link below to check out the web-based version and even grab a copy for your phone. InstantWild [via Wired] Amazon’s New Kindle Fire Tablet: the How-To Geek Review HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed

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• Getting Ethernet driver to crippled machine

  - by Richard

  The reply at How do I install drivers for the Atheros AR8161 Ethernet controller? probably helps me. I have a Toshiba S855, bought yesterday. lspci -vv | grep Atheros command from the terminal shows me I have the AR8161 Gigabit Ethernet controller (rev 10) However the answer sudo apt-get install ... requires an internet connection. How can I, using another machine, capture the necessary information on that other machine to copy across to the crippled machine, and then how do I build from there. Thanks in anticipation

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• BPM in Retail Industry

  - by Sanjeev Sharma

  The following series of blog posts discuss common BPM use-cases in the Retail industry: Retail 2.0 represents the transformation in the retail industry triggered by the accelerated shift towards online and mobile technologies and social shopping paradigms. Never before has the consumer been of more importance or should i say in greater control, especially so due to the shrinking information asymmetry between merchants and consumers that has tilted the balance of power in the latter’s favor. For details, click Customer Experience Management for Retail 2.0 - part 1 / 2 Below is a concept architecture for streamlining front-end, mid-office and back-end interfaces through shared process to achieve consistency and efficiency in managing the customer experience from order capture to order provisioning. For details, click Customer Experience Management for Retail 2.0 - part 2 / 2 ARTS Retail Reference Model (Coming Soon!)

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• Ask the Readers: Do You Prefer Print Magazines, Online Articles, or Both for Your Important Geeky Reading Needs?

  - by Asian Angel

  We all love to read information about new computer hardware, gadgets, software, and how-to articles to help us and satisfy our need for geeky knowledge. This week we would like to know if you prefer subscribing to/buying print magazines, doing all of your reading online, or using a combination of both Latest Features How-To Geek ETC RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition How To Create Your Own Custom ASCII Art from Any Image Google Cloud Print Extension Lets You Print Doc/PDF/Txt Files from Web Sites Hack a $10 Flashlight into an Ultra-bright Premium One Firefox Personas Arrive on Firefox Mobile Focus Booster Is a Sleek and Free Productivity Timer What is the Internet? From the Today Show January 1994 [Historical Video] Take Screenshots and Edit Them in Chrome and Iron Using Aviary Screen Capture

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• Enablement 2.0 Get Specialized!

  - by michaela.seika(at)oracle.com

    Check the new OPN Certified Specialist Exam Study Guides – your quick reference to the training options to guide partners pass OPN Specialist Exams! What are the advantages of the Exam Study Guides? Cover the Implementation Specialist Exams that count towards OPN Specialization program. Capture Exam Topics, Exam Objectives and Training Options. Define the Exam Objectives by learner or practitioner level of knowledge: Learner-level: questions require the candidate to recall information to derive the correct answer Practitioner-level: questions require the candidate to derive the correct answer from an application of their knowledge. Map by each Exam Topic the alternative training options that are available at Oracle. Where to find the Exam Study Guides? On Enablement 2.0 > Spotlight On each Knowledge Zone > Implement On each Specialist Implementation Guided Learning Path For More Information Oracle Certification Program Beta Exams OPN Certified Specialist Exams OPN Certified Specialist FAQ Contact Us Please direct any inquiries you may have to Oracle Partner Enablement team at [email protected].

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• UPK & Tutor Customer Roundtable Discussions

  - by [email protected]

  UPK & Tutor Developers are a creative bunch and we hear from lots of customers using our tools in a variety of ways that bring value to their organizations. A large retail organization uses UPK to teach cash handling skills at each of their stores, a national packaging company uses it for their phone system training. A university's technical team uses UPK to capture customizations that are being made to their HCM and FIN applications, building a library of topics purely for the technical team around how customizations were done including who requested them and why. When it comes time to upgrade, it's easy for them to determine if a customization needs to be carried forward and if so, they know exactly how it was done previously. Almost every customer has a story, and we've captured some of them via our quarterly UPK & Tutor Customer Roundtable iSeminar series and we continue to add more. Click this link to hear how customers like you are using UPK & Tutor in their organizations. Who knows, you may pick up some new tricks to wow your colleagues and management!

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• Parsing stdout with custom format or standard format?

  - by linquize

  To integrate with other executables, a executable may launch another executable and capture its output from stdout. But most programs writes the output message to stdout in custom format and usually in human readable format. So it requires the system integrator to write a function to parse the output, which is considered trouble and the parser code may be buggy. Do you think this is old fashioned? Most Unix-style programs do that. Very few programs write to stdout in standard format such as XML or JSON, which is more modern. Example: Veracity (DVCS) writes JSON to stdout. Should we switch to use modern formats? For a console program, human readable or easy parsable: which is more important ?

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• The Power to Control Power

  - by speakjava

  I'm currently working on a number of projects using embedded Java on the Raspberry Pi and Beagle Board.  These are nice and small, so don't take up much room on my desk as you can see in this picture. As you can also see I have power and network connections emerging from under my desk.  One of the (admittedly very minor) drawbacks of these systems is that they have no on/off switch.  Instead you insert or remove the power connector (USB for the RasPi, a barrel connector for the Beagle).  For the Beagle Board this can potentially be an issue; with the micro-SD card located right next to the connector it has been known for people to eject the card when trying to power off the board, which can be quite serious for the hardware. The alternative is obviously to leave the boards plugged in and then disconnect the power from the outlet.  Simple enough, but a picture of underneath my desk shows that this is not the ideal situation either. This made me think that it would be great if I could have some way of controlling a mains voltage outlet using a remote switch or, even better, from software via a USB connector.  A search revealed not much that fit my requirements, and anything that was close seemed very expensive.  Obviously the only way to solve this was to build my own.Here's my solution.  I decided my system would support both control mechanisms (remote physical switch and USB computer control) and be modular in its design for optimum flexibility.  I did a bit of searching and found a company in Hong Kong that were offering solid state relays for 99p plus shipping (£2.99, but still made the total price very reasonable).  These would handle up to 380V AC on the output side so more than capable of coping with the UK 240V supply.  The other great thing was that being solid state, the input would work with a range of 3-32V and required a very low current of 7.5mA at 12V.  For the USB control an Arduino board seemed the obvious low-cost and simple choice.  Given the current requirments of the relay, the Arduino would not require the additional power supply and could be powered just from the USB.Having secured the relays I popped down to Homebase for a couple of 13A sockets, RS for a box and an Arduino and Maplin for a toggle switch.  The circuit is pretty straightforward, as shown in the diagram (only one output is shown to make it as simple as possible).  Originally I used a 2 pole toggle switch to select the remote switch or USB control by switching the negative connections of the low voltage side.  Unfortunately, the resistance between the digital pins of the Arduino board was not high enough, so when using one of the remote switches it would turn on both of the outlets.  I changed to a 4 pole switch and isolated both positive and negative connections. IMPORTANT NOTE: If you want to follow my design, please be aware that it requires working with mains voltages.  If you are at all concerned with your ability to do this please consult a qualified electrician to help you.It was a tight fit, especially getting the Arduino in, but in the end it all worked.  The completed box is shown in the photos. The remote switch was pretty simple just requiring the squeezing of two rocker switches and a 9V battery into the small RS supplied box.  I repurposed a standard stereo cable with phono plugs to connect the switch box to the mains outlets.  I chopped off one set of plugs and wired it to the rocker switches.  The photo shows the RasPi and the Beagle board now controllable from the switch box on the desk. I've tested the Arduino side of things and this works fine.  Next I need to write some software to provide an interface for control of the outlets.  I'm thinking a JavaFX GUI would be in keeping with the total overkill style of this project.

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• What tools are available to generate end user documentation?

  - by Rowland Shaw

  End user documentation on how to use applications is an important part of the user experience of applications, irrespective of whether they are winforms, wpf or even asp applications. In a startup or internal development team situation, where there isn't a dedicated documentation department, it can take a lot of resources to maintain screen shots and associated user documentation, such as on-line help or even printable manuals. What tools are available to assist in creating screenshots of all the "screens" within an application (be they winforms, wpf or aspx) to help automate the capture of screen shots, and associating with the relevant documentation? In addiiton, are there any that allow automation of annotations of a particular control (so use cases like: Draw a red box around the Username control with a callout to say "This is where you'd enter your user name, in the form '[email protected]'")?

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• This Is the Perfect Solution for Stopping Spam [Comic]

  - by The Geek

  Now that’s one anti-spam solution I’d gladly pay for. I’ll take a 5-year subscription, if you’ve got it! Latest Features How-To Geek ETC How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop What is the Internet? From the Today Show January 1994 [Historical Video] Take Screenshots and Edit Them in Chrome and Iron Using Aviary Screen Capture Run Android 3.0 on a Hacked Nook Google Art Project Takes You Inside World Famous Museums Emerald Waves and Moody Skies Wallpaper Change Your MAC Address to Avoid Free Internet Restrictions

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• How to Shoot Liquid Flows [Photography]

  - by Jason Fitzpatrick

  If you thought water drops frozen in time were neat, this tutorial shows you how to capture the flow of colored liquids dropped into water–the effects are quite eye catching. The process combines a small tank of water, heavy cream with dye mixed in, and of course some off-camera flashes and a DSLR. Hit up the link below to see the full setup and some beautiful photos. How To Shoot a Liquid Flow [DIYPhotography] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Attending a Career Fair: &ldquo;Don&rsquo;t be shy &ndash; Be prepared&rdquo;

  - by jessica.ebbelaar

  There are a large number of ways to interact with companies nowadays. The career fair is a very effective and personal way to interact with a number of different companies in a very short period of time. Here are some simple tips to help you perform during a career fair. Do research The key to being successful at a career fair is to do research before you go. Make a first selection of the companies you feel could be interesting for you. Include many types of employers. Once you have decided on the list of companies you want to visit, go to their career portal. Inform yourself about what the company does, i.e what roles there are available, how the company culture is described, what impression the testimonials give you. The question that you still have after reviewing this information, are the ones you can discuss with the company on the fair. Sell yourself Visit the companies you have on your top 5 list first, so you will be at your highest energy level to make that first impression. Think in advance about what you are going to tell the recruiter. Prepare a 30-second introduction (including degree, strengths, skills & experience) Be confident when you talk about your experience. Remember to start the conversation with a smile, make good eye contact and give a firm handshake. You could be speaking to your next manager, so be professional! If you already know what jobs you are interested in, relate your skills and experience to the roles that the company has available. If you are not yet sure gather as much information as you can about employment and/or hiring procedures, specific skills necessary for different jobs, training and career paths. Stand out As career fairs are very crowded and the attending companies meet with a lot of potential candidates on one day, you have to make sure you are noticed in a positive way. A good preparation and asking questions that show you have a good understanding of the industry, organization and roles will help you. Be aware of time demands on employers. Do not monopolize an employer's time. Dress appropriately to make a good first impression. Bring your resume Do not forget to bring your resume in print or on a USB-stick to the fair. If you are searching for different types of jobs, bring different versions of your resume. Your resume should be short and professional on white paper that is free of graphics or fancy print styles and containing larger margins for interviewer notes. Follow up After each conversation ask who you can contact for follow-up discussions about the specific roles. Use the back of a business card to record notes that help you remember important details and follow-up instructions. If no card is available, record the contact information and your comments in your notepad or phone. Last but not least, thank everyone you talk to for their time. Follow up as soon as possible with thank you notes that address the companies’ hiring needs, your qualifications, and express your desire for a second interview. What not to do… Do not visit a company with a group of friends. Interact with the companies on your own, to make your own positive impression. Do not walk up to a recruiter and interrupt a current conversation; wait your turn and be polite. What you should absolutely avoid is a grab and run on freebies! Take the time to speak to the company and ask for a freebie at the end of the conversation in case they are not offered to you. Good luck with the preparations for the career fair you will attend. Oracle recruiters look forward to meet you! They will be present on a large number of fairs in the region. For an overview of the fairs go to the Events & Calendar page on http://campus.oracle.com If you have any questions related to this article feel free to contact [email protected].

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• Now Instagram lets you record and share 15 seconds video with awesome filters

  - by Gopinath

  Instagram is one of the most popular photo sharing applications and it is very popular for amazing filters that turn an ordinary photo in to an incredible one. Today Instagram extended the filters and sharing options to videos. With the latest version of Instagram application for iOS/Android you can record videos, apply filters and share them. Recording and sharing videos on Instagram is much similar to photos and. You can capture videos up to 15 seconds and there are 13 filters to choose for processing. Wondering why the limit is at 15 seconds? Pundits are saying that TV ads are in general 15 seconds and Instagram is preparing for video ads in near future. Anyways within hours of video sharing features, Instagram is flooded with short videos and the Explore section has very interesting ones to browse through. Just like photos, you can share the captured videos to your Twitter, Facebook and other social stream from Instagram.

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• What are the preferred documentation tools for the major programming languages?

  - by Dave Peck

  I'm interested in compiling a list of major programming languages and their preferred documentation toolsets. To scope this a bit: The exact structure of the answer may vary from language to language, but there appear to be two aspects common to all languages: (1) in-code syntax for documentation, and (2) documentation generators that make use of said syntax. There are also cases where generators are used independent of code. For example, tutorial-style documentation is common in the Python world and is often disconnected from underlying code. Many languages have multiple commonly-used documentation strategies and tool chains, and I'd love to capture this. Finally, there are cross-language tools like Doxygen that also have some traction and would be worth noting here. Here are some obvious target languages to start with: Python, Ruby, Java, C#, PHP, Objective-C, C/C++, Haskell, Erlang, Scala, Clojure If this question catches on, I'll try and keep this section updated with the most recent list. Thanks!

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• Keyboard shortcut: Win key doesn't work for custom commands

  - by Xiè Jìléi

  It's all ok before upgraded from 10.04 to 12.04. It seems all right. In keyboard shortcut window, if I pressed Win+V, it can capture the key combination as Super+V, no problem. I've checked the output from xev utility, the left and right Win keys are translated to Super_L and Super_R correctly. I have found a workaround, though. Using gconf-editor, edit the entries /desktop/gnome/keybindings/*/binding and replace <Super> with <Mod4> for the problem bindings. However Super+... keys do work for most built-in actions such as "switch workspace", they just don't work for custom commands.

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• What camera to choose for using with JMF (Java Media Framework)

  - by Leron

  For the past 2-3 weeks I've been searching for different ways to implement custom video streaming and in more general video capturing and manipulating, going through DVR-cards, Video Capture Cards and stuff like that. Somehow JMF was able to stay out of my sight for all this time, but since I find out about it I'm more and more sure that this is a comfortable level for me to start playing around with video and stuff. One major topic that occurs to me while searching for more info was the presence of many posts where people were complaining about the fact that any particular camera ( most of the time I think they mean web cameras) doesn't work with JMF. Even though there are a lot of different cameras (not necessarily a web cam) that are not that expensive I want to play it safe and buy one that is proven to work well with the JMF. Also due to lack of experience maybe this is irrelevant but since I'll buy the camera mostly for learning and experimenting I want to have the maximum freedom possible to mess with different features, options and so on.

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• Enter comments on queries in TraceTune

  - by Bill Graziano

  I’m trying to make TraceTune (and eventually ClearTrace) work the way I do.  My typical query tuning session goes like this: Run a trace and upload to TraceTune/ClearTrace Tune the slowest queries Goto 1 I might do this two or three times in one day and then not come back to it again for weeks or even months.  This is especially true for those clients that I only visit a few times per month.  In many cases I’ll look at a query, decide I can’t do much with it and move on.  I needed a way to capture that information. TraceTune now lets you enter a comment for a query.  It can be as simple or as complex as you like.  The comment will be shown inline with the execution history of that query. This should let you walk back through your history with a query and decide whether you should spend more time tuning it.

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• Grab sound of a SDL game with ffmpeg/avconv

  - by Peregring-lk

  I'm trying to make a screencast of a SDL game which I developed some years ago, with the following command: sleep 5 && avconv -f x11grab -s 1366x768 -r 25 -i :0.0 -same_quant screen_cast.mkv (in this 5 seconds of sleep, I open the game). But the generated video (screen_cast.mkv) doesn't capture audio. I use for my game the SDL_Mixer library, with default configuration (22050 for frequency, AUDIO_S16SYS for format, and 2 channels). What's the problem? (with options -f alsa -i pulse it doesn't work either).

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