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  • Struggles to connect to network when using WPA with a BCM43225

    - by pst007x
    When booting my laptop, it will try to connect to my wireless network, however a window keeps popping up asking me for my security password, which has already been saved. I have to keep deleting my network settings, and reconnecting, otherwise it keeps failing to connect. My wireless is set up with a WPA, I do not want to lower my security because of this, but it is a pain and can take me 15mins plus to finally connect. The problem has only become apparent since a fresh install of 11.10. IPV6 disabled. System info: 01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01) Subsystem: Acer Incorporated [ALI] Device 036d Flags: bus master, fast devsel, latency 0, IRQ 43 Memory at b3400000 (64-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: tg3 Kernel modules: tg3 02:00.0 Network controller: Broadcom Corporation BCM43225 802.11b/g/n (rev 01) Subsystem: Broadcom Corporation Device 04da Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at b2400000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: brcmsmac Kernel modules: wl, brcmsmac ADDITIONAL: In terminal I get this: pst007x@pst007x-ubuntu64:~$ nm-applet start ** Message: applet now removed from the notification area ** (nm-applet:2816): DEBUG: old state indicates that this was not a disconnect 0 ** Message: using fallback from indicator to GtkStatusIcon ** Message: applet now embedded in the notification area ** Message: No keyring secrets found for Auto Access 01/802-11-wireless-security; asking user. ** (nm-applet:2816): DEBUG: foo_client_state_changed_cb Note this line: ** Message: No keyring secrets found for Auto Access 01/802-11-wireless-security; asking user. At this point is where I am asked for the password. Please report WPA issues with Ubuntu 11.10 here: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/892727

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  • Effortlessly resize images in Orchard 1.7

    - by Bertrand Le Roy
    I’ve written several times about image resizing in .NET, but never in the context of Orchard. With the imminent release of Orchard 1.7, it’s time to correct this. The new version comes with an extensible media pipeline that enables you to define complex image processing workflows that can automatically resize, change formats or apply watermarks. This is not the subject of this post however. What I want to show here is one of the underlying APIs that enable that feature, and that comes in the form of a new shape. Once you have enabled the media processing feature, a new ResizeMediaUrl shape becomes available from your views. All you have to do is feed it a virtual path and size (and, if you need to override defaults, a few other optional parameters), and it will do all the work for you of creating a unique URL for the resized image, and write that image to disk the first time the shape is rendered: <img src="@Display.ResizeMediaUrl(Path: img, Width: 59)"/> Notice how I only specified a maximum width. The height could of course be specified, but in this case will be automatically determined so that the aspect ratio is preserved. The second time the shape is rendered, the shape will notice that the resized file already exists on disk, and it will serve that directly, so caching is handled automatically and the image can be served almost as fast as the original static one, because it is also a static image. Only the URL generation and checking for the file existence takes time. Here is what the generated thumbnails look like on disk: In the case of those product images, the product page will download 12kB worth of images instead of 1.87MB. The full size images will only be downloaded as needed, if the user clicks on one of the thumbnails to get the full-scale. This is an extremely useful tool to use in your themes to easily render images of the exact right size and thus limit your bandwidth consumption. Mobile users will thank you for that.

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  • How to Get a Smartphone-Style Word Suggestion on Windows

    - by Zainul Franciscus
    Have you ever wished that you can type faster and better in Windows ? Then you’re in luck, because today we’ll show you how to get a smartphone’s word suggestion in Windows. To accomplish that, you need to install AI Type, a software that gives word suggestion when you write in Windows.  AI Type not only fulfils our gratification to have a smartphone-style word suggestion for Windows,  AI Type also improves our writings by suggesting word according to its context. It  will also try to match words according to the  probability in which other users may have used it. Installing AI Type is a breeze; Just download the installer from AI Type website, run the executable, fill in a registration form, and you’re all set to use AI Type for your daily writing. Once you’re done with the installation, AI Type appears on your system tray. Latest Features How-To Geek ETC Macs Don’t Make You Creative! So Why Do Artists Really Love Apple? MacX DVD Ripper Pro is Free for How-To Geek Readers (Time Limited!) HTG Explains: What’s a Solid State Drive and What Do I Need to Know? How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Sync Blocker Stops iTunes from Automatically Syncing The Journey to the Mystical Forest [Wallpaper] Trace Your Browser’s Roots on the Browser Family Tree [Infographic] Save Files Directly from Your Browser to the Cloud in Chrome and Iron The Steve Jobs Chronicles – Charlie and the Apple Factory [Video] Google Chrome Updates; Faster, Cleaner Menus, Encrypted Password Syncing, and More

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  • How to install Ubuntu 13.10 on Hybrid Disk alongside Windows 8.1

    - by user205691
    I am having trouble installing Ubuntu 13.10 on HP Envy 4-1046tx ultrabook. When i bought this, it came with windows 7 pre-installed, but i upgraded it to 8 and now recently to 8.1. But somehow, i feel 8.1 is slower or something went wrong with the upgrade and made my system slow. I want to try Dual booting Ubuntu 13.10 with windows 8.1 The system recovery drive has windows 7 recovery files. SSD has 4GB allocated to windows 8 (i think for hibernation/rapid start). 25GB of SSD is free and i want to install ubuntu on this SSD pointing it to "/" I will also shrink the windows partition (the only other partition available apart from recovery & SSD) to free up 100GB and allocate this space to "/home" during ubuntu installation. I tried the above steps while on windows 8, but not successful. Ubuntu installation went fine, but the grub was not loaded. I tried to deploy linux via EasyBCD, but after that also, selecting linux in the boot would load grub on command prompt and do nothing. While ubuntu installation, i also deleted the raid drivers with sudo dmraid -rE, but still ubuntu didnt recognize my windows. I think i am missing some steps, so this time i want to do it right with proper info before starting the process. My requirements: dual boot Ubuntu with windows 8.1 c:\ shrinked windows with 300GB on sda1, 100GB for /home on sda1 & ubuntu installed on 25GB SSD volume sda2 (this is mSata i think) GRUB or EFI that helps me load both OS properly without breaking anything SWAP partition can be added if needed on sda1 (4gb?)? I have backed up my drive and have a 16GB usb3.0 with ubuntu loaded. I hope i have mentioned everything i need and know.. All i need now is some guidance and what to do right so that this installation goes as planned :)

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  • Wordpress .htaccess preventing subfolder access

    - by John K.
    This is sort of a goofy setup, but it's not in my power to reconfigure it at this time. I'm running in a shared hosting environment. The domain is example.com. This is an add-on domain on the host side with example.com being redirected to the www/example.com sub-directory. That directory houses a standard Wordpress site which acts as the main site when you visit example.com. The .htaccess file within that directory is: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteRule ^wp-admin/profile\.php$ /ssm/welcome [R] </IfModule> I have a subdirectory, at the root level with the /example.com subdirectory that houses a cake php application. That subdirectory is /tracker. My problem is that when I attempt to browse to example.com/tracker, I get a 404 from Wordpress because perma links are on. What I think I need is a rewrite rule in the Wordpress .htaccess file that short circuits the existing rewrite rules and permits example.com/tracker to work independently of the Wordpress install. Or a rewrite rule at the root level that short circuits the redirect to the /example.com directory in the first place. Not sure how well I explained that so here's a summary. The www/ directory structure: example.com/ tracker/ Add on domain of www.example.com redirecting to the /example.com directory with Wordpress and a tracker/ directory running CakePHP which I would like to access via www.example.com/tracker. If you need further info or clarification let me know!

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  • Disk Space Full

    - by Loki
    Setting up Ubuntu 10.04 server, the / disk space shows full under df, however the du does not show any of the space used. This has several mounts to Gluster FS'. I have tried a forced FSCK and to no avail. ~# df -h Filesystem Size Used Avail Use% Mounted on /dev/md0 141G 132G 0 100% / none 3.0G 224K 3.0G 1% /dev none 3.0G 0 3.0G 0% /dev/shm none 3.0G 76K 3.0G 1% /var/run none 3.0G 0 3.0G 0% /var/lock none 3.0G 0 3.0G 0% /lib/init/rw /dev/sdb1 9.0T 7.1T 1.9T 80% /brick1 /dev/sdb2 9.0T 7.9T 1.1T 88% /brick2 localhost:/sanvol09 385T 330T 56T 86% /mnt/sanvol09 <- Gluster FS uses local software to contact the DFS I've attempted a tune2fs and same issue arises # du -h --max-depth=1 --one-file-system / 4.0K /selinux 0 /proc 47M /boot 31M /mnt 8.0K /brick1 8.0K /brick2 391M /lib 4.0K /opt 7.4M /bin 0 /sys 379M /var 5.6M /etc 16K /lost+found 43M /root 4.0K /srv 5.7M /home 4.0K /media 7.0M /sbin 0 /dev 4.0K /tmp 4.0K /cdrom 631M /usr 1.6G / more info # df -ih Filesystem Inodes IUsed IFree IUse% Mounted on /dev/md0 9.0M 91K 8.9M 1% / none 746K 770 745K 1% /dev none 747K 1 747K 1% /dev/shm none 747K 32 747K 1% /var/run none 747K 1 747K 1% /var/lock none 747K 3 747K 1% /lib/init/rw /dev/sdb1 583M 1.8M 581M 1% /brick1 /dev/sdb2 583M 1.9M 581M 1% /brick2 localhost:/sanvol09 25G 76M 25G 1% /mnt/sanvol09 The final question: df show's 100% used, and its not, any other known fixes?

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  • ubi-partman failed with exit code 10 during 12.10 fresh install

    - by Austen
    ive been trying to install ubuntu 12.10 on my acer aspire one 534h,using an iso from the official site and a 16gb flash drive using unetbootin. my aa1 is running factory settings (xp). it will boot fine from the usb, but the installation throws the error in the title after choosing my wifi options, and contineus to give the error after every subsequent step. after trying to complete the installation ingoring the error, it hangs on the ask ubuntu screen. ive tried reformatting and reflashing (sorry, heavy android user) ubuntu to the flash drive, to no avail... do i need to format somthing else, or is it something to do with th Hdd and RAID drives? ive looked in my BIOS and found nothing related. only the option for sata or ide... any help would be great, as ive been working at this all day... edit: the error message was ubi-partman has failed with exit code 10. see (gave a directory) for more info. it then informed me that if i continued the install could be incomplete or completly broken. not sure abouth the wording in the second part, but the error is word for word... thank you.

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  • Organizing MVC entities communication

    - by Stefano Borini
    I have the following situation. Imagine you have a MainWindow object who is layouting two different widgets, ListWidget and DisplayWidget. ListWidget is populated with data from the disk. DisplayWidget shows the details of the selection the user performs in the ListWidget. I am planning to do the following: in MainWindow I have the following objects: ListWidget ListView ListModel ListController ListView is initialized passing the ListWidget. ListViewController is initialized passing the View and the Model. Same happens for the DisplayWidget: DisplayWidget DisplayView DisplayModel DisplayController I initialize the DisplayView with the widget, and initialize the Model with the ListController. I do this because the DisplayModel wraps the ListController to get the information about the current selection, and the data to be displayed in the DisplayView. I am very rusty with MVC, being out of UI programming since a while. Is this the expected interaction layout for having different MVC triplets communicate ? In other words, MVC focus on the interaction of three objects. How do you put this interaction as a whole into a larger context of communication with other similar entities, MVC or not ?

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  • How do you compare job offers from companies in different countries?

    - by Danny Tuppeny
    This isn't really a programmer-specific question, but I'm not sure of a more appropriate place, and I think the users of this site are best able to answer the question in the context of programmers. Relocating to the US seems fairly common in the programming industry. I live in the UK, and maybe one day, I might do it too. So, if that day comes - how would you go about comparing job offers? Benefits are fairly easy to compare, but given the differences in cost of living, how would you go about comparing salaries and the quality of living you'll have? In a country where the cost of living is lower, you might be able to accept a lower salary (based on exchange rate) and still have the same quality of living. But what can you do to ensure this? In some cases, you may even take a "pay rise" in terms of exchange rate, but end up far worse off. How can you compare job offers across different countries to get an idea of the salary you would need in order to not feel you've gone "backwards"?

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  • Collision within a poly

    - by G1i1ch
    For an html5 engine I'm making, for speed I'm using a path poly. I'm having trouble trying to find ways to get collision with the walls of the poly. To make it simple I just have a vector for the object and an array of vectors for the poly. I'm using Cartesian vectors and they're 2d. Say poly = [[550,0],[169,523],[-444,323],[-444,-323],[169,-523]], it's just a pentagon I generated. The object that will collide is object, object.pos is it's position and object.vel is it's velocity. They're both 2d vectors too. I've had some success to get it to find a collision, but it's just black box code I ripped from a c++ example. It's very obscure inside and all it does though is return true/false and doesn't return what vertices are collided or collision point, I'd really like to be able to understand this and make my own so I can have more meaningful collision. I'll tackle that later though. Again the question is just how does one find a collision to walls of a poly given you know the poly vertices and the object's position + velocity? If more info is needed please let me know. And if all anyone can do is point me to the right direction that's great.

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  • Google ranking, page crawl

    - by Nawaf Mubarak
    please don't mind me for asking this newbie question about Google ranking. I know that in order to get ranked the page has to be crawled by Google bots, I have had a page example of which I will get a better understanding of how the system works with Google. I have made a page on my website last month, it got indexed pretty quickly, then I found that it's in Google's page 15 on my keyword as a start, next day it made it to page 13, then after a week it was jumping back and forth in page 17/18 up to 20. Now a month passed by, when and it isn't listed in any position of that 'keyword' sometimes I will find it in page 30, but later I won't find it anywhere, keep happening this way these days. Even if it isn't listed in any page for my keyword if I do a search for "site:thepageadress" it will be listed which means I'm not penalized and my page is there for google to see, but it isn't in the search result for my keyword. But when I write "site:thepage_adress" and I hit "search tools" option and click on "Past day" or "past week" it isn't listed, it is only listed when I click on "Past month" which I think means that Google indexed the page, looked at it once when I published it, and never looked at it again, is this a fair statement? So two questions that comes to mind here. 1- Should Google keep looking at a page even if I haven't changed any info for it? and is this an indication for me that my page is doing fine? or is it normal that Google see's it once and thats it? 2- Why and how to fix the fact that my page keeps jumping back and forth in the ranking result for keyword, and sometimes it isn't even listed, what does that mean? Sorry for the long msg, I hope to god that somebody help me with this. Thank you!

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  • hdmi audio works only with aplay -D alsa test wavs; open source radeon drivers; kernel 3.5 vgaswitcheroo

    - by user108754
    I've trolled the internets to make hdmi work on my system Ubuntu 12.04 software center kernel 3.5 uname: Linux ubuntu 3.5.0-18-generic #29~precise1-Ubuntu SMP...x86_64 x86_64 x86_64 GNU/Linux open source radeon drivers vgaswitcheroo (hybrid intel/radeon gpu): I boot with intel, not radeon, running. (and recall that with kernel 3.5, vgaswitcheroo now gives info on a third item, "DIS-Audio"; it indicates pwr on my system) ( /etc/rc.local: chown user:user /sys/kernel/debug/ # change "username" with your user name echo OFF /sys/kernel/debug/vgaswitcheroo/switch ) grub indeed now has "radeon.audio=1" for testing audio, I did aplay -l which gave me the card and device, which made me try aplay -D plughw:1,3 /usr/share/sounds/alsa/Front_Center.wav and lo! I get crystal clear sound on my hdtv. If I play an mp3 file as the argument to that command, I get noise as, I guess, aplay interprets the mp3 code as a wav. If I play a .wav that is not in the /usr/share/sounds/alsa/ directory, I get nothing. Internet flash video in browser plays no sound over hdmi. Both system sounds control and pavucontrol have hdmi cedar selected. Alas, I can not get sound for any gui test (left, right). Why would only aplay, and only when directed with "-D plughw", yield sound over hdmi? I've also tried only using one sound program at a time, if it was a limitation of alsa, so I tried aplay with web browser and even the sound control gui closed. I tried each of the last two, running alone. No improvement. alsamixer only shows hda intel and I think it's only the intel audio, not the hdmi.

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  • Automated Acceptance tests under specific contraints

    - by HH_
    This is a follow up to my previous question, which was a bit general, so I'll be asking for a more precise situation. I want to automate acceptance testing on a web application. Briefly, this application allows the user to create contracts for subscribers with the two constraints: You cannot create more than one contract for a subscriber. Once a contract is created, it cannot be deleted (from the UI) Let's say TestCreate is a test case with tests for the normal creation of a contract. The constraints have introduced complexities to the testing process, mainly dependencies between test cases and test executions. Before we run TestCreate we need to make sure that the application is in a suitable state (the subscriber has no contract) If we run TestCreate twice, the second run will fail since the state of the application will have changed. So we need to revert back to the initial state (i.e. delete the contract), which is impossible to do from the UI. More generally, after each test case we should guarantee that the state is reverted back. And since, in this case, it is impossible to do it from the UI, how do you handle this? Possible solution: I thought about doing a backup of the database in the state that I desire, and after each test case, run a script which deletes the db and restores the backup. However, I find that to be too heavy to do for each single test case. In addition, what if some information are stored in files? or in multiple or unaccessible databases? My question: In this situation, what would an experienced tester do to write automated and maintanable tests. Thank you. More info: I'm trying to integrate tests into a BDD framework, which I find to be a neat solution for test documentation and communication, but it does not solve this particular problem (it even makes it harder)

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  • Need help installing the Intel VGA Driver [closed]

    - by Ary Catur Wicaksono
    Possible Duplicate: How do I install the Intel Graphics driver in my system? how to install intel VGA drive..?? I've been searching on google but did not see too I've been trying to ask the ubuntu forum in Indonesia. but they did not reply my post.. is there anything that can help me? *I am sorry my English is rather chaotic arthur@Chunx:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 10) arthur@Chunx:~$ sudo lshw -c display [sudo] password for arthur: *-display description: VGA compatible controller product: 82G33/G31 Express Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 10 width: 32 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:42 memory:fea80000-feafffff ioport:dc00(size=8) memory:e0000000-efffffff memory:fe900000-fe9fffff arthur@Chunx:~$ sudo apt-get install xserver-xorg-video-intel Sedang membaca daftar paket... Selesai Membangun pohon ketergantungan Membaca informasi yang tersedia... Selesai xserver-xorg-video-intel telah berada dalam versi terbaru. 0 dimutakhirkan, 0 baru terinstal, 0 akan dihapus dan 190 tidak akan dimutakhirkan.

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  • Battery not recognized on my laptop (and it recognizes my laptop as a desktop)

    - by AZorin
    I have installed Ubuntu (both 10.10 and 11.04 pre-release) on my laptop but my battery is not recognized and it is detected as a desktop system rather than a laptop. I have tried to get the output of cat /proc/acpi/battery/BAT1/state but the directory doesn't exist. I have tried another guide to paste the battery info into this directory but it doesn't allow me to do that and says that the directory doesn't exist, even though I'm trying to make it. I tried it in root Nautilus and even on an install of Lubuntu (with a root file manager) but it still failed to budge. I really don't know what to do as I have tried all the guides on the internet that I could find. Is there any way to change the configuration file(s) that detect the internal hardware of the computer. The /proc directory is a temporary RAM directory afaik. Is there a directory where that data is stored permanently and where the RAM reads if you know what I mean? Thanks in advance. AZorin This issue has been reported as bug #764513.

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  • Entity Framework and distributed Systems

    - by Dirk Beckmann
    I need some help or maybe only a hint for the right direction. I've got a system that is sperated into two applications. An existing VB.NET desktop client using Entity Framework 5 with code first approach and a asp.net Web Api client in C# that will be refactored right yet. It should be possible to deliver OData. The system and the datamodel is still involving and so migrations will happen in undefined intervalls. So I'm now struggling how to manage my database access on the web api system. So my favourd approch would be us Entity Framework on both systems but I'm running into trouble while creating new migrations. Two solutions I've thought about: Shared Data Access dll The first idea was to separate the data access layer to a seperate project an reference from each of the systems. The context would be the same as long as the dll is up to date in each system. This way both soulutions would be able to make a migration. The main problem ist that it is much more complicate to update a web api system than it is with the client Click Once Update Solution and not every migration is important for the web api. This would couse more update trouble and out of sync libraries Database First on Web Api The second idea was just to use the database first approch an on web api side. But it seems that all annotations will be lost by each model update. Other solutions with stored procedures have been discarded because of missing OData support and maintainability. Does anyone run into same conflicts or has any advices how such a problem can be solved!

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  • Another Twig Improvements

    - by Ondrej Brejla
    Hi all! We are here again to intorduce you some of our new NetBeans 7.3 features. Today we'll show you some another Twig improvements. So let's start! Code Templates First feature is about Code Templates. We added some basic templates to improve your Editor experience. You will be really fast with it! If someone don't know what Code Templates are, they are piece of code (snippet) which is inserted into editor after typing its abbreviation and pressing Tab key (or another one which you define in Tools -> Options -> Editor -> Code Templates -> Expand Template on) to epxand it. All default Twig Code Templates can be found in Tools -> Options -> Editor -> Code Templates -> Twig Markup. You can add your custom templates there as well. Note: Twig Markup code templates have to be expanded inside Twig delimiters (i.e. { and }). If you try to expand them outside of delimiters, it will not work, because then you are in HTML context. If you want to add a template which will contain Twig delimiter too, you have to add it directly into Tools -> Options -> Editor -> Code Templates -> HTML/XHTML. Don't add them into Twig File, it will not work. Interpolation Coloring The second, minor, feature is, that we know how to colorize Twig Interpolation. It's a small feature, but usefull :-) And that's all for today and as usual, please test it and if you find something strange, don't hesitate to file a new issue (product php, component Twig). Thanks a lot!

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  • Wordnik Accelerator

    - by prabhpreet
    Wow, creating IE Accelerators is superbly easy. If you want to learn how to create one, go here (some MSDN blog) and the MSDN documentation (clearly written). I was fed up of dictionary.com bringing all those popups and the stupid definitions of Google's dictionary. So I decided to scratch my own itch. I randomly stumbled on the site called Wordnik and it provides with all examples plus definitions plus lots more for words and its popup-free (as far as I know). So I decided to write and accelerator. Here is the source code (Yes, this is it): <?xml version="1.0" encoding="utf-8"?> <os:openServiceDescription xmlns:os="http://www.microsoft.com/schemas/openservicedescription/1.0"> <os:homepageUrl>http://www.wordnik.com</os:homepageUrl> <os:display> <os:name>View on Wordnik</os:name> <os:description>Looking up words on an awesome word site called Wordnik </os:description> <os:icon>http://www.wordnik.com/favicon.ico</os:icon> </os:display> <os:activity category="Define"> <os:activityAction context="selection"> <os:execute method="get" action="http://www.wordnik.com/words/{selection}" ></os:execute> </os:activityAction> </os:activity> </os:openServiceDescription> That’s it. To get it, go here. Enjoy!

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  • How do I print values of an array in Three Rows?

    - by Ramkumar
    I need this output.. 1 3 5 2 4 6 I want to use array function like array(1,2,3,4,5,6). If I edit this array like array(1,2,3), it means the output need to show like 1 2 3 The concept is maximum 3 column only. If we give array(1,2,3,4,5), it means the output should be 1 3 5 2 4 Suppose we will give array(1,2,3,4,5,6,7,8,9), then it means output is 1 4 7 2 5 8 3 6 9 that is, maximum 3 column only. Depends upon the the given input, the rows will be created with 3 columns. Is this possible with PHP? I am doing small Research & Development in array functions. I think this is possible. Will you help me? For more info: * input: array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15) * output: 1 6 11 2 7 12 3 8 13 4 9 14 5 10 15

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  • Inheritance vs composition in this example

    - by Gerenuk
    I'm wondering about the differences between inheritance and composition examined with concrete code relevant arguments. In particular my example was Inheritance: class Do: def do(self): self.doA() self.doB() def doA(self): pass def doB(self): pass class MyDo(Do): def doA(self): print("A") def doB(self): print("B") x=MyDo() vs Composition: class Do: def __init__(self, a, b): self.a=a self.b=b def do(self): self.a.do() self.b.do() x=Do(DoA(), DoB()) (Note for composition I'm missing code so it's not actually shorter) Can you name particular advantages of one or the other? I'm think of: composition is useful if you plan to reuse DoA() in another context inheritance seems easier; no additional references/variables/initialization method doA can access internal variable (be it a good or bad thing :) ) inheritance groups logic A and B together; even though you could equally introduce a grouped delegate object inheritance provides a preset class for the users; with composition you'd have to encapsule the initialization in a factory so that the user does have to assemble the logic and the skeleton ... Basically I'd like to examine the implications of inheritance vs composition. I heard often composition is prefered, but I'd like to understand that by example. Of course I can always start with one and refactor later to the other.

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  • Why does running this program on 11.10 give a 'GLIBC_2.15 not found' error?

    - by RafLance
    I am trying to install Absinthe 2.0.4 on Ubuntu 11.10 on a netbook. When I try to run the install file, this keeps on happening: rafael@RafLaptop:~/Desktop/absinthe-linux-2.0.4$ ./absinthe.x86 ./absinthe.x86: /lib/i386-linux-gnu/libc.so.6: version `GLIBC_2.15' not found (required by ./absinthe.x86) Do I need to upgrade GLIBC? If so, how do I do that? Since I'm on a netbook I can't use a LiveCD so I wanted to know if there was a way I could fix this issue without reinstalling my whole OS. Any explanations about what GLIBC is exactly would be great too since this is a learning experience for me. I know that GLIBC is a part of libc.so.6 and so I tried to run sudo apt-get install libc.so.6 but was told that it was up to date. But GLIBC isn't? I hope this articulates my problem well, if there are any pieces of missing info or questions to clarity my question, please let me know! ~-~ EDIT/UPDATE: So after some help on the AskUbuntu chat room from user izx, I have gathered the following information/understanding: -I need to run this program with Ubuntu 12.04 or recompile it from source -Upgrading libc on Oneiric to 2.15 while possible, is not an easy task and is not officially supported.

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  • How to register a .cn domain

    - by user359650
    I would like to register a .cn domain. I found the below pages which list the officially accredited registrars: -based in China: http://www.cnnic.net.cn/html/Dir/2007/06/05/4635.htm -based outside China: http://www.cnnic.net.cn/html/Dir/2007/06/25/4671.htm Needless to say that the registrars based in China have their website in Chinese which effectively prevents me from using them. There are 11 oversea registrars and I'm wondering which one I should be using. If you look at the big names, they all have their .cn registered (facebook.cn, microsoft.cn...), and whois only shows a Sponsering registrar which doesn't seem to be offering domains registration services directly to consumers: $ whois facebook.cn Domain Name: facebook.cn ROID: 20050304s10001s04039518-cn Domain Status: ok Registrant ID: tuv3ldreit6px8c7 Registrant Organization: Facebook Inc. Registrant Name: Facebook, Inc. Registrant Email: admin@lovellsnames.info Sponsoring Registrar: Tucows, Inc. http://www.tucowsdomains.com/ only seems to offer domain-related help but not registration. $ whois microsoft.cn Domain Name: microsoft.cn ROID: 20030312s10001s00043473-cn Domain Status: clientDeleteProhibited Domain Status: clientUpdateProhibited Domain Status: clientTransferProhibited Registrant ID: mmr-44297 Registrant Organization: Microsoft Corporation Registrant Name: Domain Administrator Registrant Email: [email protected] Sponsoring Registrar: MarkMonitor, Inc. https://www.markmonitor.com/ seems to offer registration but only to "big" customers, and definitely not to consumers like me via a web portal. Q: How do big companies register their .cn domains? How consumers like us should do it?

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  • Analytics - Where do my drop offs go?

    - by BadCash
    I have a website set up with Google Analytics (through the Wordpress plugin "Google Analytics for WordPress" by Joos de Valk). When I check out the visitors flow in Google Analytics, it shows something like this: (home) - 43% drop-offs /page-2/ - 10% drop-offs ... etc ... I have also set up events for external links. My main "goal" of the website is to drive traffic to my Android app on Google Play, so I have a couple of different links to that that are all set up as events. Everything seems to be working, my events show up when I go to Content - Events in Google Analytics. However, it seems to me that some percentage of the users that are reported as "drop-offs" in fact have clicked on one of the external links. But there's no info about the reason of those drop-offs in the Visitors flow-chart. I can of course check out each specific event category, event action and set "other" to Content/Page, which (I guess) shows the number of visitors who triggered a specific event on a specific page. It just seems like such a complicated way of going about this! So, is there a way to get a more detailed picture, including events, in the Visitors flow chart? Something like: (home) - 43% drop-offs Event Action: "Google Play"=50%, "Youtube"=10%, (not set)=40%

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  • Small-scale database options for .NET

    - by raney
    I have a .NET 4.0/WPF based application I've developed and maintain for my company that acts as a friendly GUI central-point-of-information, combining information pulled from a couple of SQL databases, as well as CSV exports from a few other applications. I would like to build out my own database to support the entirety of the information that the application accesses, so that I could have a service running on my server that would read in necessary remote SQL info and file exports, to provide the user's application with a single database to connect to, as well as to remove all of the file handling currently involved in the program (copying new CSV resources from network location, reading them into memory each launch.) I have complete control and flexibility here as long as the user's experience isn't affected, and this is as much a learning experience as it is tidying up. Caveat being, I don't have much in the way of a budget. Right now I recognize my options to be: SQL Express - I'm comfortable with the server setup, I like ADO.NET and LINQ to SQL. I feel that I have the least to learn here, but it would let me focus on SQL in a familiar environment. Perhaps in conjunction with Entity Framework? MongoDB - I don't know a whole lot about, but I've heard the name enough to make me curious. Brief research seems friendly enough, and there is .NET support. I like working with open source projects. My questions are: What's popular and extensible right now? I'm not far from starting to job-hunt, and I'd like this project to be relevant going forward. What am I missing? Pros, cons? Other options? What plays well with .NET? What are the things I should be considering, the questions I should be asking, when making a decision like this? Thanks for your time.

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  • Hosting several HTTP servers on single domain name

    - by Nakilon
    Several people have got a single domain name server.company.com server, where they are now supposed to host their infrastructure or temporal projects, written in different ways even in different programming languages. How do they divide the domain? Split into subdomains: john.server.company.com, kate.server.company.com, etc. This would need a lot of admins' assistance, time, etc. -- there would be no way for John and Kate to do it themselves. Split into url namespaces: server.company.com/john/, server.company.com/kate/, etc. Pro: They now can make a single welcome page at root with any additional info (if they need?) Con: Each server would need to know their namespace string constant, and hrefs like / whould need patching. Split into ports: server.company.com:8080, server.company.com:8081, etc. and make a single :80 welcome page. Pro: They still can make a single welcome page at :80 Con: ??? I would like to know more pros and cons for 2 and 3 solution.

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