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• How to Get the Folder Name of USB Disk?

  - by Kate Moss' Open Space

  When an USB Disk plugs into CE/Mobile based device, how do you know the folder name of the mounting point? Usually, it should be "USB Disk" but it is really depends on how OS image builder; they may change the folder name for whatever reason. FindFirstFlashCard looks simple and promising, the drawback is it only available on Windows Mobile. In fact, these find flash card API set will enumerate all of the mountable file system which includes SD card, CF and etc that we don't expect to get. So I am going to introduce you another way via Storage Manager. Here is the steps.

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• 12.04 LTS won't install from CD

  - by Rob Hays

  I've been trying to install 12.04 LTS onto a Dell with a PIII from CD. Booting from the CD the install gets through the "Who are you" process, begins copying files. The progress bar gets as far as the last period in "Copying files...". The box clears, and an error box comes up "The installer has encountered an unrecoverable error. A desktop session will now be run so that you may investigae the problem or try installing again." When I try to install from this desktop session, the install gets to the same point, the copying files box closes, and then just stops. The pointer is busy, the cd drive spins up occaisonally with no data transfer, no hard drive activity. When I boot from the CD and access the disk boot menu, the disk checks good, memory checks good ( I upgraded the original memory to 512 mb). I also updated the bios to the newest from Dell. This is an older L866r, but should meet the requirements.

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• rel="Canonical": Ranking Benefits ? & specifying for PDF?

  - by Miak

  I think I understand the basic case for using rel="canonical": to tell google which is the preferred URI when the same page/content may be accessed via more than one URI. This helps you avoid duplicate content penalties. But what else does it do? Does it also affect search ranking? i.e. will the page I specify in the canonical be ranked higher than the others? (if all else equal). And in the case of PDF documents, I understand that you can now specify rel="canonical" for them too, using HTTP headers (i.e. in htaccess). Again, this would obviously help avoid dupilcate content penalties if the PDF content is the same as the HTML page or if it can be accessed in more than one place. But does it affect ranking? or are there any other benefits to doing this.

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• Cannot connect to ethernet port

  - by Jnir

  I'm running Ubuntu 12.04 LTE. I'm trying to connect via ethernet for the first time but have had no success. Ifconfig eth0 returns: eth0 Link encap:Ethernet HWaddr: 00:01:2e:3f:f1:a0 inet6 addr: fe80::201:2eff:fe3f:f1a0 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:68 errors:0 dropped:0 overruns:0 frame:0 TX packets:183 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8374 (8.3 KB) TX bytes:42944 (42.9KB) Interrupt:16 Base address:0x6c00 /etc/network/interfaces has auto lo iface lo inef loopback auto eth0 iface eth0 inet dhcp sudo /etc/init.d/networking prints: * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces... Failed to bring up eth0 [OK]

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• How to apply a filter to the screen of a running program?

  - by Shahbaz

  The idea is to take old games without modifying them, but have the graphics card apply a series of filters to their output before sending them to the monitor. A very crude example would be to take a game that has a resolution of 640x480 and do: Increase the resolution to 1280x960 Apply a blur (low pass filter) Apply a sharpen (1 + high pass filter) These steps may not necessarily be the best to improve the visuals of an old game, but there are a lot of techniques that are well-known in image processing for this purpose. The question is, do the (NVidia) graphics cards give the ability to load a program that modifies the screen before sending it to the monitor? If so, how are they called and what terminology should I use to search? I would be comfortable with doing the programming myself if this ability is part of a library. Also, would the solution be different between Windows and Linux? If so, either is fine, since most of the games are probably runnable by wine.

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• I cannot play some WMA files

  - by Lucio

  I did a backup of several music files from my older Windows XP system. Now I can play all the .MP3 files but not all the .WMA. There are some kinds of WMA files that can be reproduced without problems, may refute this in the picture below. The right file can be played, the left isn't. I have long been looking different sites, Q&A from here, installing many packages but not luck. An example is this answer. What can I do? My system: Ubuntu 11.10 32b. Player: Banshee & VLC

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• Building dynamic bounding box hierachies.

  - by adivasile

  I've been reading about collision detection and I saw that the first part was a coarse detection which generates possible contacts using bounding box hierarchies. I understand the concept of splitting up your objects in groups, to speed up the detection phase, but I'm a little confused on how do you actually build the hierachy, more so on what criteria is used to group them together. Do I iterate through all the objects in the scene, and check the distance between them to see where they should be inserted in the tree? Do you know some resources that may shed some light on this topic for me?

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• How should I handle a redirect to an identity provider during a web api data request

  - by Erds

  Scenario I have a single-page web app consisting purely of html, css, and javascript. After initial load and during use, it updates various views with data from one or more RESTful apis via ajax calls. The api calls return data in a json format. Each web api may be hosted on independent domains. Question During the ajax callout, if my authorization token is not deemed valid by the web api, the web api will redirect me (302) to the identity provider for that particular api. Since this is an ajax callout for data and not necessarily for display, i need to find a way to display the identity provider's authentication page. It seems that I should trap that redirect, and open up another view to display the identity provider's login page. Once the oauth series of redirects is complete, i need to grab the token and retrigger my ajax data call with the token attached. Is this a valid approach, and if so are there any examples showing the ajax handling of the redirects?

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• Oracle Solaris 11.1 Available Now!

  - by Glynn Foster

  As you may have already noticed, Oracle Solaris 11.1 is now available from the download page. This release marks nearly a year of development with some really exciting new features, hundreds of bug fixes, and another step towards a product that enterprise customers should feel utterly confident in deploying. We've made some great strides in fixing the frustrations that our customers care about - it is now even easier to deploy, update and manage, and our feature set is more integrated than ever to give you a superior experience. Go download now! If you've got an existing Oracle Solaris 11 11/11 installation you won't need to re-install again. Simply use the packaging tools and follow this useful How to Update to Oracle Solaris 11.1 using IPS guide. We're also hosting an online event on the 7th November where we'll talk about Oracle Solaris 11.1, some of the new features included in this release, and where we're going generally with the operating system. Come join us!

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• What tags should be used for SEO in simple blog posts? [closed]

  - by homepage

  Possible Duplicate: What are the best ways to increase your site's position in Google? Order of HTML meta tags I'm new to websites in general (which is why I'm starting on blogger) and am just curious as to which tags I should be using in my posts? My posts generally include a title relevant to the keyword of my blog, an image, a video, my content, and a link to my twitter. I don't really use any tags and someone mentioned that they may help for SEO. So I figured I would ask for some advice from people who know what they are doing. EDIT I apologize for not clarifying, I meant tags such as: Header tag: <h1>This is my title</h1> Image tags with attributes: <img src="keyword_image.jpg" width="100" height="78" ALT="this_shows_examples"> What other tags and attributes are ones I should use for a well put together website and SEO?

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• What is the most complicated data structure you have used in a practical situation?

  - by Fanatic23

  The germ for this question came up from a discussion I was having with couple of fellow developers from the industry. Turns out that in a lot of places project managers are wary about complex data structures, and generally insist on whatever exists out-of-the-box from standard library/packages. The general idea seems to be like use a combination of whats already available unless performance is seriously impeded. This helps keeping the code base simple, which to the non-diplomatic would mean "we have high attrition, and newer ones we hire may not be that good". So no bloom filter or skip-lists or splay trees for you CS junkies. So here's the question (again): Whats the most complicated data structure you did or used in office? Helps get a sense of how good/sophisticated real world software are.

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• Trip Report: Scottsdale Arizona Event Conference Planning

  Monday May 10th, 2010 represents my largest and best event to-date, that I have ever hosted. For the last seven years, I’ve grown a technical audience around Microsoft programming / developers in the Phoenix area. Some travel from California, New Mexico, and other parts of Arizona, but for the most part the crowd is local. In years past, this all day event has been as small as 300 folks, and as large as 500, and I’ve tried been to venues around the valley some better than others. This...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Why is apt-get failing to update with "not a bzip2 file" errors?

  - by klox

  Yesterday my server still OK, but today after try to sudo apt-get update i got this error: update process. I try: sudo rm /var/lib/apt/lists/* -vf And got This.Then try update again, but it's not solving my problem then show May be still same error. I checked my internet connection try ping google.com, get result : PING google.com (74.125.235.40) 56(84) bytes of data. From 136.198.117.254: icmp_seq=1 Redirect Network(New nexthop: fw1.jvc-jein.co.id (136.198.117.6)) 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=1 ttl=53 time=20.6 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=2 ttl=53 time=18.2 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=3 ttl=53 time=33.0 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=4 ttl=53 time=30.0 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=5 ttl=53 time=28.1 ms

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• Comments in code

  - by DavidMadden

  It is a good practice to leave comments in your code.  Knowing what the hell you were thinking or later intending can be salvation for yourself or the poor soul coming behind you.  Comments can leave clues to why you chose one approach over the other.  Perhaps staged re-engineering dictated that coding practices vary.One thing that should not be left in code as comments is old code.  There are many free tools that left you version your code.  Subversion is a great tool when used with TortoiseSVN.  Leaving commented code scattered all over will cause you to second guess yourself, all distraction to the real code, and is just bad practice.If you have a versioning solution, take time to go back through your code and clean things up.  You may find that you can remove lines and leave real comments that are far more knowledgeable than having to remember why you commented out the old code in the first place.

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• PPC Affiliate networks for web-applications [on hold]

  - by machete

  I want to run a browser-based social media (Twitter, Instagram,...) account management tool (justunfollow.com) which monetizes through ads. But many affiliate networks like Google AdSense or media.net require your website to have "high quality content". AdSense explicitly states: "Google ads, search boxes or search results may not be: * Integrated into a software application (does not apply to AdMob) of any kind, including toolbars. * Placed on any non-content-based page. (Does not apply to AdSense for search, mobile AdSense for search, or AdMob.)" Are there serious & trustworthy affiliate networks which allow ads to be published on a web application?

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• Design for future changes or solve the problem at hand

  - by Naveen

  While writing the code or during design do you try to generalize the problem at the first instance itself or try to solve that very specific problem. I am asking this because, trying to generalize the problem tends to complicate the things (which may not be necessary) and on the otherhand it will be very difficult to extend the specific solution if there is a change in the requirement. I guess the solution is to find the middle path which is easier said than done. How do you tackle this type of problem ? If you start generalizing it at what point of time you know that this much of generalization is sufficient ?

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• returning null vs returning zero, which would be better?

  - by Dark Star1

  I inherited a project that I am managing and having to maintain pending the redevelopment of the code base. At the moment I am being tasked with adding little feature all over the place and have gotten into the habit of returning null instead of zero in parts of the code where I am working on. The problem is we have a client that is using this code and parts of code that require data from my implemented features recieve a null and dump the stack trace in UI. I would like to avoid this entirely from my input but without the nullPointer exceptions there's the potential that errors would be introduced into the client's data which may go un-noticed. Usually I would have come up with my own error notification system but I have never inherited a project before. so I am unsure whether to continue down this path. I still believe that the stack dump is preferable to un-noticed data corruption/inaccuracies.

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• New Dash features and Online accounts missing after 12.04 to 12.10 upgrade

  - by motobói

  I performed upgrade to 12.10 from 12.04 using update-manager. Unfortunately, there was some error, because when I came back from the coffee, the screen was black. I opened a terminal (Ctrl+Alt+T) and killall dpkg, which seemed to be waiting for user input for configuration file update (xdg package , if I remember well). After that, I did a do-release-upgrade, which seemed to work well, because I ended on a graphic session after reboot. The problem is that some 12.10 features are missing, as Online Accounts and Dash new online results. This made me suspicious of missing packages or something like that. Please take a look at upgrade logs and my new dpkg --get-selections output: https://gist.github.com/3919006 dpkg --reconfigure -a didn't solved the problem nor apt-get -f install showed any problem. do-release-upgrade say my system need no news packages (even if I change /etc/lsb-release to 12.04) If someone give me a dpkg --get-selections of a vanilla 12.10 installation, may be I can force system reconfiguration.

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• Best way to redirect users back to the pretty URL who land on the _escaped_fragment_ one?

  - by Ryan

  I am working on an AJAX site and have successfully implemented Google's AJAX recommendation by creating _escape_fragment_ versions of each page for it to index. Thus each page has 2 URLs: pretty: example.com#!blog ugly: example.com?_escaped_fragment_=blog However, I have noticed in my analytics that some users are arriving on the site via the "ugly" URL and am looking for a clean way to redirect them to the pretty URL without impacting Google's ability to index the site. I have considered using a 301 redirect in the head but fear that Googlebot might try to follow it and end up in an endless loop. I have also considered using a JavaScript redirect that Googlebot wouldn't execute but fear that Google may interpret this as cloaking and penalize the website. Is there a good, clean, acceptable way to redirect real users away from the ugly URL if for some reason or another they end up arriving at the site that way?

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• Simple Hierarchical Clustering Implementations for C#?

  - by Joshua Smith

  I need a C# library that can do hierarchical single/complete link clustering. It's for a BSc final year project and I can't find any free implementations. I'd be happy to port a small(ish) Java project to C#, but most of the Java implementations are contained within huge libraries that have 30+ algorithms. The problem with large libraries is that one has to port 50% of the entire library due to dependency fanout. I'd be extremely grateful if anyone knows of any free single/complete link clustering implementations for C# or a small Java implementation of either! By the way, as I am a student, it may be possible to ask for an academic/research license from commercial companies.

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• EAV - is it really bad in all scenarios?

  - by Giedrius

  I'm thinking to use EAV for some of the stuff in one of the projects, but all questions about it in stackoverflow end up to answers calling EAV an anti pattern. But I'm wondering, if is it that wrong in all cases? Let's say shop product entity, it has common features, like name, description, image, price, etc., that take part in logic many places and has (semi)unique features, like watch and beach ball would be described by completely different aspects. So I think EAV would fit for storing those (semi)unique features? All this is assuming, that for showing product list, it is enough info in product table (that means no EAV is involved) and just when showing one product/comparing up to 5 products/etc. data saved using EAV is used. I've seen such approach in Magento commerce and it is quite popular, so may be there are cases, when EAV is reasonable?

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• Grpahic hardwares

  - by Vanangamudi

  Which vendor provides better GPGPU. my requirements are confined to rendering utilising the GPU for BSDF building for e.g. Intel started providing Ivy Bridge chipset GPU, which are comparably fast to HD5960 cards. I'm not that against nvidia or amd. but I'm a fan of Intel. how it compares to nvidia in price and performance. if possible may I know, how all of them perform with OpenCL?? I'm not sure if it is right to ask it here. but I don't know where to ask.

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• How to handle "porting" software that's still in development

  - by BAM

  My company is building an iOS version of an Android app that our client is developing (but has not yet released). We have access to the latest builds and source, however since the software is frequently re-structured and refactored, we're doing a lot of unnecessary re-work. In addition, the due date on the contract will likely be passed before the client's application is even ready for release. In other words, we're supposed to build the iOS version before the original Android version is even complete. Luckily the client tossed out the original deadline, but now we may have to renegotiate pricing... never a fun situation. Are we handling this incorrectly? How are "ports" (especially between mobile platforms) normally done? Is there a correct way to pipeline development for multiple platforms without so much re-work? Thanks in advance! :)

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• Hosting cross-domain Silverlight applications (XAP)

  In the Silverlight world, there are two types of cross-domain things that may leave some banging their head against a wall for a while. The first involves making network-based calls (WebClient, HttpWebRequest, etc) to services hosted on a domain other than the one that is the site of origin for the XAP. This is solved by ensuring the service provider enables a clientaccesspolicy.xml file for their service. More information here: Cross Domain Policy Files with Silverlight. NOTE: site of origin is...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Ubuntu not appearing in Boot Loader [new]

  - by Bryce

  I installed Ubuntu in a separate partition, along side Windows 8.1. However, Ubuntu/Grub does not appear in the Boot Loader. When I hold shift at startup, the regular Boot Loader (the one before I installed Ubuntu) appears with only Windows 8.1 as a boot option. I already tried the the Boot Repair from a Live USB, but nothing has changed. I have two partitions, one is a journaling file system (mounted on /) and the other is the swap. I read that it may be because Windows doesn't recognize the file system, but I don't know what to do about it. I don't know what I did wrong. Did I mount it in the wrong place? Any help would be appreciated. (If the problem is stupid, I apologize. I'm completely new to installing Ubuntu, and I could not find very detailed instructions.) Edit: In case this has any relevance, safe boot IS disabled.

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