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  • Starting a career in quantitative finance

    - by Vitor Braga
    I've been reading John Hull book (Options, Futures and Other Derivatives) mostly on curiosity. I've read other books about financial markets in the past (like Elder's Trading for Living and the novel Reminiscences of a Stock Operator). But I'm really hooked by the John Hull book. My background is mostly scientific computing: number crunching, visualization and image processing. Mostly in C++, with some C, Fortran, Python, Ruby here and there. I've been thinking on moving on to quantitative finance - I'd like to do that. What would be the best way to start? Any tips?

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  • Which tool to use for "home banking"?

    - by Huygens
    I would like to manage my bank accounts in a secure manner on Ubuntu. I saw several applications in the Software Centre, but I don't know which one to choose. I don't need fancy features like stock options. I just have regular accounts which I want to follow, I don't want complicated stuff. As bank data are quite sensitive, I would highly prefer an application that does encryption of the data. Though, if you have a really cool app but it does not have this feature, as long as it offers to store the data in one dedicated place, I could do with encrypting that place. So what tool do you use that could fit my needs?

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  • Where Facebook Stands Heading Into 2013

    - by Mike Stiles
    In our last blog, we looked at how Twitter is positioned heading into 2013. Now it’s time to take a similar look at Facebook. 2012, for a time at least, seemed to be the era of Facebook-bashing. Between a far-from-smooth IPO, subsequent stock price declines, and anxiety over privacy, the top social network became a target for comedians, politicians, business journalists, and of course those who were prone to Facebook-bash even in the best of times. But amidst the “this is the end of Facebook” headlines, the company kept experimenting, kept testing, kept innovating, and pressing forward, committed as always to the user experience, while concurrently addressing monetization with greater urgency. Facebook enters 2013 with over 1 billion users around the world. Usage grew 41% in Brazil, Russia, Japan, South Korea and India in 2012. In the Middle East and North Africa, an average 21 new signups happen per minute. Engagement and time spent on the site would impress the harshest of critics. Facebook, while not bulletproof, has become such an integrated daily force in users’ lives, it’s getting hard to imagine any future mass rejection. You want to see a company recognizing weaknesses and shoring them up. Mobile was a weakness in 2012 as Facebook was one of many caught by surprise at the speed of user migration to mobile. But new mobile interfaces, better mobile ads, speed upgrades, standalone Messenger and Pages mobile apps, and the big dollar acquisition of Instagram, were a few indicators Facebook won’t play catch-up any more than it has to. As a user, the cool thing about Facebook is, it knows you. The uncool thing about Facebook is, it knows you. The company’s walking a delicate line between the public’s competing desires for customized experiences and privacy. While the company’s working to make privacy options clearer and easier, Facebook’s Paul Adams says data aggregation can move from acting on what a user is engaging with at the moment to a more holistic view of what they’re likely to want at any given time. To help learn about you, there’s Open Graph. Embedded through diverse partnerships, the idea is to surface what you’re doing and what you care about, and help you discover things via your friends’ activities. Facebook’s Director of Engineering, Mike Vernal, says building mobile social apps connected to Facebook in such ways is the next wave of big innovation. Expect to see that fostered in 2013. The Facebook site experience is always evolving. Some users like that about Facebook, others can’t wait to complain about it…on Facebook. The Facebook focal point, the News Feed, is not sacred and is seeing plenty of experimentation with the insertion of modules. From upcoming concerts, events, suggested Pages you might like, to aggregated “most shared” content from social reader apps, plenty could start popping up between those pictures of what your friends had for lunch.  As for which friends’ lunches you see, that’s a function of the mythic EdgeRank…which is also tinkered with. When Facebook changed it in September, Page admins saw reach go down and the high anxiety set in quickly. Engagement, however, held steady. The adjustment was about relevancy over reach. (And oh yeah, reach was something that could be charged for). Facebook wants users to see what they’re most likely to like, based on past usage and interactions. Adding to the “cream must rise to the top” philosophy, they’re now even trying out ordering post comments based on the engagement the comments get. Boy, it’s getting competitive out there for a social engager. Facebook has to make $$$. To do that, they must offer attractive vehicles to marketers. There are a myriad of ad units. But a key Facebook marketing concept is the Sponsored Story. It’s key because it encourages content that’s good, relevant, and performs well organically. If it is, marketing dollars can amplify it and extend its reach. Brands can expect the rollout of a search product and an ad network. That’s a big deal. It takes, as Open Graph does, the power of Facebook’s user data and carries it beyond the Facebook environment into the digital world at large. No one could target like Facebook can, and some analysts think it could double their roughly $5 billion revenue stream. As every potential revenue nook and cranny is explored, there are the users themselves. In addition to Gifts, Facebook thinks users might pay a few bucks to promote their own posts so more of their friends will see them. There’s also word classifieds could be purchased in News Feeds, though they won’t be called classifieds. And that’s where Facebook stands; a wildly popular destination, a part of our culture, with ever increasing functionalities, the biggest of big data, revenue strategies that appeal to marketers without souring the user experience, new challenges as a now public company, ongoing privacy concerns, and innovations that carry Facebook far beyond its own borders. Anyone care to write a “this is the end of Facebook” headline? @mikestilesPhoto via stock.schng

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  • How to Make and Install an Electric Outlet in a Cabinet or Desk

    - by Eric Z Goodnight
    If you’re like most geeks, you’re always looking for power—there’s never an outlet where you need one! With this simple how-to, see how you can install an outlet in a desk, cabinet or wherever—right where you need it! It’s simple, fun, and reasonably cheap, so why not install some outlets exactly where you need them? There are kits available to buy online, but these are often quite expensive. See how you can buy off the shelf, stock parts and install an outlet wherever you want to.  How to Make and Install an Electric Outlet in a Cabinet or DeskHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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  • Geek Deals: Discounted Monitors, Cheap Peripherals, and Free Apps

    - by Jason Fitzpatrick
    Looking to save some cash while stocking up on computers, peripherals, apps, and other goodies? Hit up our deal list for discounts on all manner of geeky gear. We’ve combed the net and grabbed some fresh off the press deals for you to take advantage of. Unlike traditional brick and mortar sales internet deals are fast and furious so don’t be surprised if by the time you get to a particularly hot deal the stock is gone or the uses-per-coupon rate has been exceeded. How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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  • 3D Studio Max biped restrictions?

    - by meds
    I have a stock biped character in 3D studio max which has a jump animation. The problem I have with the jump animation is that there is actual y offset happening inside it which makes it awkward to play while the character is jumping since it's not only jumping in the game world but the jump animation is adding its own height offset. I'm tryuing to remove the jump animations height offset, so far I've found the root node and deleted all its key frames which has helped a bit. The problem I'm having now is that the character still has some height offset and if I try to lower it it has a fake 'ground' that isn't at 0 and the limbs sort of bend on the imaginary floor, si there a way to remove this restriction just for the jump animation? Here's what I mean: http://i.imgur.com/qoWIR.png Any idea for a fix? I'm using Unity 3D if that opens any other possibilities...

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  • How can I share my python scripts with my less python-savvy business person partner?

    - by Alex
    I'm taking financial mathematics as an elective, and I'm working with real life finance industry worker type people. It's actually kind of fun. When I pulled out a macbook at one of our meetings, I had four lifelong windows users look at me like I had three heads. Anyway, I'm helping with design and simulation of our trading strategy, and I wrote a little thing using matplotlib to visualize historical stock data. However, these guys don't know how to use git, or install python, or deal with path-related package management things. I need to be able to send my scripts to them to use, and I need to do it with absolutely minimal effort on their part. I was thinking something on the lines of py2exe, but I'd like to hear some advice before I go ahead.

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  • Ask the Readers: How Do You Customize Your Computer?

    - by Jason Fitzpatrick
    Whether you spend your energy customizing via case mods or leave the box stock and re-skin the OS, we’re interested in hearing all about how you customize your computing experience and make the machine yours. This week we want to hear about the OS tweaks, skins, modifications, and other tweaks you’ve applied to your computer to personalize it. Whether it’s minor tweaks at work because IT has the machines locked down or massive custom-built boxes at home that show off your love for your favorite Sci-Fi show, it’s time to share your favorite tools, tricks, and tips for customizing your computing experience–even better, share some screenshots or photos in the comments below. Don’t forget to check back in on Friday for the What You Said roundup! How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • Just too bright

    - by Bunch
    Like a lot of folks I am using SSMS and VS pretty much all day. But staring at the text on the stark white background can be a bit much for my eyes after a while. I have seen quite a few different “themes” for these apps which change all the colors around to make it easier on your eyes. Some of them are pretty cool but all I really wanted was to dim the background a little not radically change the way everything looked. Since the stock colors for comments, breakpoints, keywords and the like are so familiar I wanted a background that did not interfere with those colors. So I picked the following custom color for the item background. It comes off as a parchment type color. Hue: 42        Red: 244 Sat: 123    Green: 245 Lum: 221    Blue: 224

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  • Happy Birthday Java EE 6+GlassFish 3!

    - by reza_rahman
    It has been almost exactly three years since Java EE 6 and GlassFish 3 were announced. It's worth pausing a moment to take stock of what has happened since. Both Java EE 6 and GlassFish 3 have been game changers. EE 6 has brought Java EE back in the limelight. To see evidence of that look at presentations like these from independents like Bert Ertman and Paul Bakker: JavaOne 2011: Migrating Spring Applications to Java EE 6 from ertmanb Likewise, the GlassFish community has proven to be a powerful disruptive force in the Java application server landscape. It's impact is evident from this percent growth rate chart from indeed.com of major Java application servers: Please join us in wishing both GlassFish and Java EE a very happy birthday and many more to come with Java EE 7, GlassFish 4 and Oracle's capabale stewardship...

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  • Canonical links for huge websites

    - by Florin
    Let's say I have 5 products that are identical but the product code, the product color specifications and the product image. The title, meta and description are identical (by the way the color is in a select form). I made 4 products link canonical to the 1 that is the master based on many factors. If the master becomes inactive or without a stock one product from the other 4 will become the new master and the rest will become canonical to it. The question is if that by becomeing master from canonical will the site suffer a penalty from Google or it will work just fine? What will Google think about this strategy?

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  • Geek Deals: Cheap SSDs, Discounted Monitors, and Free Apps

    - by Jason Fitzpatrick
    Looking to save some cash while stocking up on computers, peripherals, apps, and other goodies? Hit up our deal list for discounts on all manner of geeky gear. We’ve combed the net and grabbed some fresh off the press deals for you to take advantage of. Unlike traditional brick and mortar sales internet deals are fast and furious so don’t be surprised if by the time you get to a particularly hot deal the stock is gone or the uses-per-coupon rate has been exceeded. What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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  • Boot-up hangs unless I manually select the kernel in the bootloader

    - by The Photon
    In my stock Ubuntu install (forgot which critter its named for, about one year old), I am able to boot up normally only if I manually select the kernel in the bootloader (Grub). If I step away and it boots from the default, the system will hang with the word "Ubuntu" on a graphics screen and a few white/red blinking dots beneath it. umb@digdug:~$ uname -a Linux digdug 2.6.32-42-generic #95-Ubuntu SMP Wed Jul 25 15:57:54 UTC 2012 i686 GNU/Linux Synaptics says I have 'grub-pc' version 1.98-1ubuntu-13 installed. My grub.cfg does have default="0" which I would expect to make the default be the first kernel shown in the selection screen. The system is a laptop with an i7 processor, and I have had trouble with some kernels not being able to boot at all in the past, and power management is not working perfectly, but I have not had problems booting the latest kernel (2.6.32-42) if I select it manually in Grub. Any idea what is going on here and how can I fix it so that I can re-boot unattended?

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  • Using Resources the Right Way

    - by BuckWoody
    It’s an interesting time in computing technology. At one point there was a dearth of information available for solving a given problem, or educating ourselves on broader topics so that we can solve problems in the future. With dozens, perhaps hundreds or thousands of web sites and content available (for free, in many cases) from vendors, peers, even colleges and universities, it seems like there is actually too much information. Who has the time to absorb all this information and training? Even if you had the inclination, where to start? In fact, it seems so overwhelming that I often hear people saying that they can’t find the training they need, or that vendor X or Y “doesn’t help their users”. On questioning these folks, however, I often find that they – and sometimes I - haven’t put in the effort to learn what resources we have. That’s where blogs, like this one, can help. If you follow a blog, either by checking it often or perhaps subscribing to the Really Simple Syndication (RSS) feed, you’ll be able to spread out the search or create a mental filter for the information you need. But it’s not enough just read a blog or a web page. The creators need real feedback – what doesn’t work, and what does. Yes, you’re allowed to tell a vendor or writer “This helped me because…” so that you reinforce the positives. To be sure, bring up what doesn’t work as well –  that’s fine. But be specific, and be constructive. You’d be surprised at how much it matters. I know for a fact at Microsoft we listen – there is a real live person that reads your comments. I’m sure this is true of other vendors, and I also know that most blog authors – yours truly most especially – wants to know what you think.   In this blog entry I’d to call your attention to three resources you have at your disposal, and how you can use them to help. I’ll try to bring up things like this from time to time that I find useful, and cover in them in more depth like this. Think of this as a synopsis of a longer set of resources that you can use to filter whether you want to research further, bookmark, or forward on to a circle of friends where you think it might help them.   Data Driven Design Concepts http://msdn.microsoft.com/en-us/library/windowsazure/jj156154 I’ll start with a great site that walks you through the process of designing a solution from a data-first perspective. As you know, I believe all computing is merely re-arranging data. If you follow that logic as well, you’ll realize that whenever you create a solution, you should start at the data-end of the application. This resource helps you do that. Even if you don’t use the specific technologies the instructions use, the concepts hold for almost any other technology that deals with data. This should be a definite bookmark for a developer, DBA, or Data Architect. When I mentioned my admiration for this resource here at Microsoft, the team that created it contacted me and asked if I’d share an e-mail address to my readers so that you can comment on it. You’re guaranteed to be heard – you can suggest changes, talk about how useful – or not – it is, and so on. Here’s that address:  [email protected]   End-to-End Example of a complete Hybrid Application – with Live Demo https://azurestocktrader.cloudapp.net/Default.aspx I learn by example. I also like having ready-made, live, functional demos that show the completed solution at work. If you’ve ever wanted to learn how a complex, complete, hybrid application that bridges on-premises systems with cloud-based databases, code, functions and more, this is it. It’s a stock-trading simulator, and you can get everything from the design to the code itself, or you can just play with the application. It’s running on Windows Azure, the actual production servers we use for everything else. Using a Cloud-Based Service https://azureconfigweb.cloudapp.net/Default.aspx Along with that stock-trading application, you have a full demonstration and usable code sample of a web-based service available. If you’re a developer, this is a style of code you need to understand for everything from iPhone development to a full Service-Oriented Architecture (SOA) environment. So check out these resources. I’ll post more from time to time as I run across them. Hopefully they’ll be as useful to you as they are to me. Oh, and if you have a comment on any of the resources, let them know. And if you have any comments about these or any of my entries, feel free to post away. To quote a famous TV Show: “Hello Seattle – I’m listening…”

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  • Submitting new site to directories - will Google penalize?

    - by Programmer Joe
    I just started a new site with a forum to discuss stocks. I've already submitted my site to DMOZ. To help promote my site and to help people who are looking for stock discussion forums to find it, I'm thinking of submitting my site to a few more directories but I'm hesistant because I know Google will penalize a site if it believes the backlinks to the site are spammy and/or low quality. So, I have a few questions: 1) If I submit my site to directories with a PR between 4 and 5, will those backlinks be considered spammy/low quality? I noticed most free directories have a PR between 4 and 5, but I don't know if backlinks from those directories would be considered spammy by Google. 2) I'm thinking of submitting it to Best of the Web and JoeAnt, but these are paid. Does anybody have any experience with these two paid directories? Are these two directories considered higher quality by Google?

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  • 6 Great Alternative Browsers for Your Android Device

    - by Chris Hoffman
    Android’s default browser, named “Internet,” is a very simple browser that’s tied to your Android OS version. Other, third-party browsers offer more powerful interfaces, greater configurability, and more frequent updates. Unlike on Apple’s iOS, Android browsers can implement their own rendering engines, although not all do. That Firefox app isn’t just a shell over the stock browser, like it is on iOS – it brings Mozilla’s Gecko to Android. How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows? Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS

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  • BeautyBay.com Boosts its Web business with Endeca!

    - by Richard Lefebvre
    BeautyBay.com Boosts Webpage Views by 70%, Increases Items Placed in Shopping Baskets, and Runs 160 Concurrent Brand and Product Promotion. BeautyBay.com Ltd is the United Kingdom’s largest independent online luxury beauty-product retailer. The company sells more than 10,000 products from leading brands like Urban Decay, Paul & Joe, Mario Badescu, bareMinerals, and Dr Sebagh. It strives to stock consumers’ favorite brands and serve as a leading source of beauty information and product reviews. The company won an Online Retail Award in 2013 in the Beauty, Perfume & Cosmetics category. Read the success story, featuring the role of Oracle Endeca here

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  • The Role of High Availability Computing on Business Continuity -- Part 1 of 2

    For organizations that can't afford, sustain or justify downtime -- developing, implementing and testing a high-availability computing strategy is essential. Unplanned downtime affects company reputation, stock price and competitive strategy. It can even delay IT innovation projects necessary for delivering new services to customers. LLearn how Oracle's approach to high availability computing is fundamentally different from the traditional model. Hear Oracle Thought Leader Balaji Bashyam (Vice President, Global Database Support) discuss high availability strategy, best practices, and the effects of availability on business, in a question and answer interview format. This podcast is presented in two parts and is intended for an audience of decision makers and influencers. Part 1 of 2

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  • Ubuntu doesn't find hdds with higher clock rates

    - by user136243
    I dual boot windows 7 64-bit and ubuntu 13.10 64-bit on separate disks, and utilize some overclocking from the BIOS. Windows works fine, however ubuntu can't seem to find any hard drives, except for at stock cpu speeds. While attempting to boot it says Gave up waiting for root device... and ALERT! /dev/sdb7 does not exist. Dropping to shell! A bootable usb stick still works, but gparted doesn't detect any other drives. Have tried: Boot-repair Changing SATA mode in BIOS Newer kernels Older ubuntu versions Not sure it's relevant, but the motherboard is a Gigabyte GA-A75M-UD2H with the newest BIOS version, the CPU an AMD Llano. This is hardly a fatal error, but it's inconvenient to change BIOS settings whenever I want to switch OS, and furthermore I'm quite curious about why it won't work. I'd appreciate any insight into what the actual problem is. So how can I resolve this issue ?

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  • How do I get my RTL8192ce based wireless device working properly?

    - by JonnyTruelove
    I am using the rtl8192cu chipset (on a Belkin wireless USB adapter N300) combined with 64 bit architecture and the 3.8 kernel. Some of you may know that this doesn't work. I tried this fix - RTL8188CU USB Network Adaptor on ubuntu 13.04 and now my internet is super slow. I am totally new to Ubuntu and I am concerned I do not have the right driver. The "stock" driver was the RTL8192cu, but it didn't connect 99% of the time and if it did the upload speed was higher than the download. Right now I am connecting through my laptop with a crossover cable, so my internet connection is just fine in my apartment. Relevant output from lsusb is here: Bus 002 Device 002: ID 050d:2103 Belkin Components F7D2102 802.11n N300 Micro Wireless Adapter v3000 [Realtek RTL8192CU] (bonus question: is that [050d:2103] the actual physical address straight from the hardware? Or does it change when I put different drivers on it? I am concerned I do not have the right driver)

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  • Google I/O Sandbox Case Study: CNBC

    Google I/O Sandbox Case Study: CNBC We interviewed CNBC at the Google I/O Sandbox on May 11, 2011. They explained to us the benefits of building apps for the Google TV platform. CNBC's Real-Time Finance App is now available on Google TV, in addition to Android. Now consumers can access the same real-time stock information about the companies they are interested in from their living room. For more information about developing on Google TV, visit: code.google.com For more information on CNBC, visit: www.cnbc.com From: GoogleDevelopers Views: 22 0 ratings Time: 02:06 More in Science & Technology

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  • Will this sitemap get me de indexed from Google?

    - by heavy rocker dude
    My site's URL (web address) is: http://quantlabs.net/private/sitemap.xml Description (including timeline of any changes made): Will this sitemap get me de-indexed from Google? My new site map just got spidered by Google for some reason. It is located at http://quantlabs.net/private/sitemap.xml, is this in danger of getting me de-indexed from Google's index. Does it look like spam even though it is not meant to be? I am trying to figure the limitation in terms of Google's threshold before they deem it a spammy sitemap. This is sitemap contains automated postings which are different with the stock symbol provided. The amount of postings within the Sitemap are quite a few in a small amount of time.

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  • CPU temperature is high on Ubuntu

    - by Kaspar
    So I have a machine which has both latest *Ubuntu and Windows 8 on it. On windows 8 my CPU temp is roughtly 26 degrees when idle. Now when I boot into Ubuntu, CPU temperature is suddenly 43 degrees when idle, plus my fans are making a lot of noise which is probably because of the CPU degrees. Why is that? Everywhere I read it says the Linux is much better at managing CPU and so on. But yet it seems something is wrong. It is a stock installation of Ubuntu 14.04 and my CPU is a Intel i5-4570

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  • How can I make the unity sidebar visible permanently (as in, in all circumstances)?

    - by Doug
    Yes, I have seen the other similar questions; if this is a duplicate please link me to the question that answer this, because none of them appear to; all appear to only address (1) of the two issues below: There are TWO times when the sidebar will magically vanish: 1) By default when you move your cursor off it and focus on a different app. This is fixable by setting the auto hide behaviour, as described here: How to make the Unity launcher always visible? 2) When you move a window over / under it, or maximize a window. Even when the autohide setting is 'never' this will cause the sidebar to mysterious decide to hide itself. In fact, it doesn't appear what settings you change, this behaviour refuses to change. This is extremely undesired behaviour. I'm using a stock standard 11.10 install.

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  • Graphics problem after updating to Kernel 3.11 with Ubuntu 13.04 64bit

    - by Gaurav Sharma
    I am new to ubuntu.I have a 64 bit intel processor with ATI 6570 graphics card. Now Ubuntu 13.04 is working fine with stock kernel(3.8). But as I read somewhere that kernel 3.11 do support ATI graphics card better, I tired updating them with no success. I tried 3.11.6 3.11.4 3.11.0 but with all of them I am facing the same problem ... after installing them and restart, the screen resolution get distorted and the unity becomes too slow transparency in dash and the launcher is also lost. Now whatever little I know , this may be related with graphics diver either they are not present or the graphic card is not turned on. Can some one help with this. And yeah i tried ubuntu 13.10 that worked fine but it has some bugs. and yeah please pardon me for my bad English.

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