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  • Can't install Spotify Linux preview

    - by Wut
    I'm having trouble installing the Spotify Linux preview. I'm kinda new to Ubuntu so I'm not sure if I did something wrong. First, in the terminal, I ran this: sudo gedit /etc/apt/sources.list At the bottom, I added this: deb http://repository.spotify.com stable non-free # deb-src http://repository.spotify.com stable non-free Then I ran this: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4E9CFF4E Next: sudo apt-get update It seemed to have gone well, as there were no error messages. So next, I ran this: sudo apt-get install spotify-client-qt But when I did, I got this: You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: spotify-client-qt : Depends: spotify-client but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Any ideas?

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  • Example: Controlling randomizer using code contracts

    - by DigiMortal
    One cool addition to Visual Studio 2010 is support for code contracts. Code contracts make sure that all conditions under what method is supposed to run correctly are met. Those who are familiar with unit tests will find code contracts easy to use. In this posting I will show you simple example about static contract checking (example solution is included). To try out code contracts you need at least Visual Studio 2010 Standard Edition. Also you need code contracts package. You can download package from DevLabs Code Contracts page. NB! Speakers, you can use the example solution in your presentations as long as you mention me and this blog in your sessions. Solution has readme.txt file that gives you steps to go through when presenting solution in sessions. This blog posting is companion posting for Visual Studio solution referred below. As an example let’s look at the following class. public class Randomizer {     public static int GetRandomFromRange(int min, int max)     {         var rnd = new Random();         return rnd.Next(min, max);     }       public static int GetRandomFromRangeContracted(int min, int max)     {         Contract.Requires(min < max, "Min must be less than max");           var rnd = new Random();         return rnd.Next(min, max);     } } GetRandomFromRange() method returns results without any checking. GetRandomFromRangeContracted() uses one code contract that makes sure that minimum value is less than maximum value. Now let’s run the following code. class Program {     static void Main(string[] args)     {         var random1 = Randomizer.GetRandomFromRange(0, 9);         Console.WriteLine("Random 1: " + random1);           var random2 = Randomizer.GetRandomFromRange(1, 1);         Console.WriteLine("Random 2: " + random2);           var random3 = Randomizer.GetRandomFromRangeContracted(5, 5);         Console.WriteLine("Random 3: " + random3);           Console.WriteLine(" ");         Console.WriteLine("Press any key to exit ...");         Console.ReadKey();     } } As we have not turned on support for code contracts the code runs without any problems and we get no warnings by Visual Studio that something is wrong. Now let’s turn on static checking for code contracts. As you can see then code still compiles without any errors but Visual Studio warns you about possible problems with contracts. Click on image to see it at original size.  When we open Error list and run our application we get the following output to errors list. Note that these messages are not shown immediately. There is little delay between application starting and appearance of these messages. So wait couple of seconds before going out of your mind. Click on image to see it at original size.  If you look at these warnings you can see that warnings show you illegal calls and also contracts against what they are going. Third warning points to GetRandomFromRange() method and shows that there should be also problem that can be detected by contract. Download Code Contracts example VS2010 solution | 30KB

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  • How to prevent thunderbird gmail/IMAP from marking deleted/archived emails as read

    - by Jesse
    I have thunderbird setup to use gmail IMAP. I followed the various guides that recommend setting Edit-Account Settings-Server Settings-When I delete a message-Remove it immediately. Unfortunately this didn't have quite the effect I wanted and after more digging I discovered here that: [Thunderbird] [Gmail] Mark Deleted = Archive Copy to [Gmail]/Trash = Delete Permanently Remove it immediately = Archive Unfortunately whenever I deleted (archived) a message it was also marked as read whether it had been or not. I didn't want this because I like to keep my inbox clean and archive anything that doesn't actually matter, such as funny emails, etc. and then go back and look through the archive later when I have time. What settings do I need to prevent messages from being marked read when I delete them? I'm using Thunderbird 17.0 on Ubuntu 12.04

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  • Mixing self signed certs with traditional SSL

    - by brentonstrine
    I have a traditional SSL cert going to a subdomain secure.mydomain.com on my domain. My host required me to have a dedicated IP in order to do this. I would also like to use HTTPS on my site for when I log into WordPress, etc. and since this is just for me, I don't mind self signing it and clicking through the scary messages. Is there a way to use a self signed cert for mydomain.com/wp-admin (just for me) when I already am on a dedicated IP that already has a traditional SSL cert for normal users on secure.mydomain.com? (FWIW, I'm on WHM without root access.)

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  • Installation of Office 2007

    - by Edwin Otwori
    The installation process was successful but i get error messages when opening any application. The instructions i followed were from here.How do i go about it. I am using Ubuntu 10.04. The error message i get is Unhandled exception: assertion failed in 32-bit code (0x6b02b832). Register dump: CS:0073 SS:007b DS:007b ES:007b FS:0033 GS:003b EIP:6b02b832 ESP:0033e6e4 EBP:0033e6f0 EFLAGS:00200202( - -- I - - - ) EAX:00000000 EBX:00000f0b ECX:00000f0b EDX:00000006 ESI:6828ba9e EDI:682aeff4 Stack dump: 0x0033e6e4: 68184651 682aeff4 0033e810 0033e818 0x0033e6f4: 68187a82 00000006 0033e790 00000000 0x0033e704: 0001ee00 682b0450 00000090 682b03c0 0x0033e714: 682aeff4 682b03c0 0000008a 0033e738 0x0033e724: 681c9a9d 0033e800 682aeff4 682aeff4 0x0033e734: 0000008b 0033e800 681b9da8 7db7b0d8 Backtrace: =>0 0x6b02b832 GLIBC_2+0x832() in ld-linux.so.2 (0x0033e6f0) 1 0x68187a82 abort+0x181() in libc.so.6 (0x0033e818) 2 0x6817d718 __assert_fail+0xf7() in libc.so.6 (0x0033e860) 3 0x712fec66 in riched20 (+0xec65) (0x0033e930) 4 0x71310688 in riched20 (+0x20687) (0x0033e9e0) 5 0x7130bee1 in riched20 (+0x1bee0) (0x0033eaa0) 6 0x7130c21c in riched20 (+0x1c21b) (0x0033ead0) 7 0x6d3b9a9a WINPROC_wrapper+0x19() in user32 (0x0033eb00)

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  • Google SMTP relay sending limits

    - by Gavin
    I'm considering using Google Apps for email with my company domain and for sending emails to customers from my website using SMTP. On Google's website it says the following: Limits for registered Google Apps users A registered Google Apps user cannot relay messages to more than 2,000 recipients per day. Limits per domain Per-domain sending limits are determined by the number of users in your Google Apps account. There are two per-domain limits: The maximum number of recipients allowed per domain per day is approximately 130 times the number of users in your Google Apps account. The maximum number of recipients allowed per domain in a 10 minute window is approximately 9 times the number of users in your Google Apps account. Additionally, the maximum number of recipients allowed per domain per day for accounts not yet paid for during the first month of service is 100. If I'm a single user, with a single domain, then does that mean I can only email 130 people a day using SMTP? That limit seems low.

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  • How to Combine All Your Email Addresses into One Outlook.com Inbox

    - by Chris Hoffman
    Microsoft’s new Outlook.com allows you to see email from all your email accounts in one inbox and send messages from other email addresses in one familiar interface. if you’re tired of checking multiple inboxes, try combining them. We’ve previously covered combining all your email addresses into one Gmail inbox, and this is a similar process for Outlook.com. Each process turns your webmail account’s inbox into a powerful, all-in-one interface for all your email needs. How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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  • Unable to enumerate USB device

    - by takeshin
    Hello, My syslog is constantly filled with messages like this: Oct 16 11:48:35 my-laptop kernel: [61470.980078] hub 1-0:1.0: unable to enumerate USB device on port 2 Oct 16 11:48:35 my-laptop kernel: [61471.192079] hub 3-0:1.0: unable to enumerate USB device on port 2 The only USB device I use is Microsoft Natural Wireless Laser Mouse 7000. The laptop model is HP dv9500, Ubuntu 10.10, but the same was in the versions before. How can I fix this? Edit: Here's the output of sudo lsusb: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 003: ID 045e:071d Microsoft Corp. Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub All USB devices seems to be working fine. I have some problems with DVD-R and sound card, but they are not USB.

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  • How do i completely remove phpmyadmin?

    - by blade19899
    I messed up my phpmyadmin, I haven't logged in, in phpmyadmin, in a while, and as a result i forgot my password, so i purged it like so: sudo apt-get purge phpmyadmin. I did get some error messages asking for my password but i forgot that, so i just pressed ignore, after that i installed phpmyadmin again like so: sudo apt-get install phpmyadmin. This time i wont be forgetting my password. But now, when i logging my phpmyadmin I get a 404 not found error page!? Question: How do i completely remove phpmyadmin and as a result get phpmyadmin working again Note: I am running Ubuntu 12.10(AMD64)

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  • Anyone used Jenkins with Sparkle (the cocoa app update framework)?

    - by Amy Worrall
    Pushing new Sparkle releases of our internal apps is a pain. I have to make the build, make the release notes file, sign the .zip with the private key, and add a new entry to the appcast file tying everything together. I'd love it if Jenkins could help: use the commit messages for the release notes, and automatically do the rest of it. Should I be looking at writing a new Jenkins plugin, or using shell scripting, or is there something already that will do what I want? (A quick Google didn't find anything.) I'm new to Jenkins, and am still trying to get a feel for what it can do. Do any other maintainers of Cocoa apps have any tips?

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  • Login crash loop

    - by dawmail333
    After about the second/third batch of updates on a fresh install of Ubuntu 12.04, I end up getting stuck in an infinite login loop: I enter my password, screen goes black and shows me the end of the initialisation messages (including things like CUPS initialising), and then the greeter reappears. Kicker is, as I'm using gnome-shell, I just decided to uninstall LightDM, ubuntu-desktop and unity-greeter, using GDM as my manager, and the problem still happens in exactly the same manner. I'm lost even as to where to start looking - Xorg logs, LightDM logs (before I removed it), syslog and dmesg logs have held no unusual information at all. I have a TeX assignment due next week, and reinstalling Ubuntu every time I want to work on it is not going to work (nor is using TeX on Windows ;). Anything else I should try?

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  • What are other ideologies to establish relationships between distinct users besides followers/following and friends?

    - by user784637
    Websites like myspace and facebook establish relationships between distinct users using the "friending" ideology, where one user sends a request to be accepted by another user in order for them to have the mutual permission to do stuff like post messages on each others walls. Less restrictive than the "friending" ideology, Twitter and instagram use the followers/following ideology where you can subscribe to the tweets or posts of another user without their permission. Less restrictive than the "followers/following" ideology, email and calling someone on the phone allows you to directly contact anyone. Are there other ideologies that have been successfully implemented either in social networking sites or other real world constructs to establish relations between users?

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  • Building a chat-like functionality in iOS

    - by Mani BAtra
    I was planning to implement a functionality wherein a user can send data to a friend of his, similar to sending messages in WhatsApp. This is how I broke down the problem : The user registers for the app. This equates to user info being stored on a dedicated server. With the phone number as the key identifier. The user selects the friend to send a message to and pushes the data. The receiver polls the server regularly and acknowledges that the data has been received. I did a little bit of research and am thinking of implementing this using the XMPP Framework for iOS. Any pointers as to is this the correct implementation or some advice in general?

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  • ejabberd starts slow and fails

    - by Michael Tanner
    I installed ejabberd and tried to set it up. On my server there are strict rules which allow only several services and denies everything else. I experienced starting problems with my iptables rules and found out that ejabberd works when I allow everything in the iptables and restore my rules afterwards. Then it also works for connecting, registering and else. What could be the problem in my rules? Attached here: http://fixee.org/paste/s5s744j/ Would be nice to get a correction straight on fixee if I made a mistake. Thanks in advance. Edit 1: In the log files there are no specific error messages during startup.

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  • A simple message room

    - by webbyJoe
    Can anyone recommend a simple message room (not chat room) which I can use for a private communication between my users. My idea: to grant some users (2-3 at the most) a specific privilege to talk privately in a message room. none of them would be administrator there. I need such features: - admin panel for adding users allowed to post messages in room - room invisible to anyone except users - filtering not-allowed words - Ajax-enabled so that replies appear immediately - other message room features I have a linux hosting so PHP message room would be the best option. I thought of using a forum for this, but it's too much work as a forum is public by nature and I need something private by nature. Any ideas? Thanks in advance.

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  • Installing Cairo to get FastRWeb working for R gWidgetsWWW2 -pkg

    - by hhh
    I want to install FastRWeb for R but it requires some Cairo. How can I install the Cairo? compilation terminated. make: *** [xlib-backend.o] Error 1 ERROR: compilation failed for package ‘Cairo’ * removing ‘/home/xfz/R/i686-pc-linux-gnu-library/2.13/Cairo’ ERROR: dependency ‘Cairo’ is not available for package ‘FastRWeb’ * removing ‘/home/xfz/R/i686-pc-linux-gnu-library/2.13/FastRWeb’ The downloaded packages are in ‘/tmp/Rtmpno8hhF/downloaded_packages’ Warning messages: 1: In install.packages("FastRWeb", , "http://rforge.net/", type = "source") : installation of package 'Cairo' had non-zero exit status 2: In install.packages("FastRWeb", , "http://rforge.net/", type = "source") : installation of package 'FastRWeb' had non-zero exit status I cannot find what the Cairo is here, 16 entries with this search term below. It is apparently some library. $ apt-cache search libcairo|wc 16 132 996 Perhaps related http://stackoverflow.com/questions/9826128/r-making-r-rook-program-into-rscript-program-r http://stackoverflow.com/questions/9812547/r-gui-vizualiser-with-command-line-access-browser-based-letting-users-to-s Some related packages FastRWeb and RServe for the gWidgetsWWW2 -pkg.

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  • Upgrade failed, now impossible to restart

    - by Jean Claude Dispaux
    I have an Aspire One with Ubuntu, that I use only when traveling, i.e. seldom. Yesterday I tried to start it, it informed me that I had to install a new release of Ubuntu. The download went fine, then I left it for the night. In the morning I found error messages. I tried to restart, but nothing works any longer. The only backup I have is two USB keys made by the person who installed Ubuntu, that say Recovery Ubuntu 8 and Ubuntu 9.10 respectively. Right now I plugged the "8", selected F12 and instructed to boot from the USB key. It has been running for an hour, the screen still says ubuntu, the USB key flashes red. By the way, I have no precious data on this machine, I do not care about losing data. Please advise on what to do now. Thanks.

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  • Creating an encrypted, web-based proxy

    - by Jason
    I have moved to Asia where my internet connection is censored and I'd like to check my messages from social sites which happen to be blocked. As virtually all proxy servers are blocked in this country, I've decided to attempt to roll my own encrypted proxy server. Please note, the key word here is encrypted—if the sniffer sees anything like f@c3b00k or w:k:p3d:ia travelling down the wire I'm had. I have a website hosted with GoDaddy (Windows with PHP 5.2 & IIS 7). Is there any way I can set up an encrypted proxy through this service? If so, how, and what open source tools are available to use?

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  • Will the Mac app store accept an app that reads and parses iPhone backups?

    - by John Wright
    I wanted to submit an app to the Mac app store that reads the iPhone backup dir and provides some useful functionality on user's voicemails and sms messages. The app parses and reads the backup mbdb files, and extracts the voicemail and sms sqlite db files as well as the voicemails to a temp directory. Is this kind of app likely to be rejected since it reads an unpublished format? It's not using any private APIs. I realize none of you are reviewers but wondering if I should even try to submit it to the store.

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  • Assignment of roles in communication when sides could try to cheat

    - by 9000
    Assume two nodes in a peer-to-peer network initiating a communication. In this communication, one node has to serve as a "sender", another as a "receiver" (role names are arbitrary here). I'd like the nodes to assert either role with approximately equal probability. That is, in N communications with various other nodes a given node would assume the "sender" role roughly N/2 times. Since there's no third-party arbiter available, nodes should agree on their roles by exchanging messages. The catch is that we can encounter a rogue node which would try to become the "receiver" in most or all cases, and coax the other side to always serve as a "sender". I'm looking for an algorithm to assign roles to sides of communication so that no side could get a predetermined role with high probability. It's OK for the side which is trying to cheat to fail to communicate.

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  • Strange 401 (Unauthorized) when calling a WCF Service

    - by mipsen
    A WCF Service we call from BizTalk using WCF BasicHTTP usually works fine but all of a sudden it started returning 401 errors for some calls while others continued working as expected so it could not have been a "real" 401. The difference was the size of the message. One parameter of the service is a rather complex object. In the cases we got a 401 it got quite big (containing a lot of customer-data), say 5 MB. So we turned on tracking. The messages we traced out where about 20MB. Not too big for WCF one should suppose... A bit of research led us to increasing maxItemsInObjectGraph in the behaviours but that did not help. The service we call is in the same network as we are and is a WCF service. So we tried changing from BasicHTTP to net.tcp and Bingo! Ok, we had to use CustomBinding in BizTalk to set all the Quotas, etc. but it worked in the end.

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  • Aren't there compilers better at telling the programmer what's wrong in a code ?

    - by jokoon
    I have worked a little while with the Microsoft compiler from Visual C++ but I worked a long time with G++, and I remember often having bad times understanding what was wrong in my code with the former. Beside binary code generation and optimisation, I think this is a very important feature of a C++ compiler: giving the programmer a clue that makes him understand as fast as possible what is wrong with his/her code. I can understand some programmers understand programming as some sort of "competition" to make less errors, but to me that's a counter productive opinion. I once tried Clang compiler for C from the LLVM thingie, I didn't use it for a long time, but I was impressed on how explicit and easy to understand the error messages were. What are your experiences, and how do you think this matters ? Some WIP of C++ Clang: http://clang.llvm.org/cxx_status.html

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  • cowbuilder --create --distribution lucid fails

    - by Daenyth
    I'm trying to create a build environment for Lucid, and calling cowbuilder --create --distribution lucid fails with the messages below: Get:1 http://us-east-1.ec2.archive.ubuntu.com lucid Release.gpg [189B] Hit http://us-east-1.ec2.archive.ubuntu.com lucid Release Hit http://us-east-1.ec2.archive.ubuntu.com lucid/main Packages Fetched 189B in 0s (2376B/s) Reading package lists... I: Obtaining the cached apt archive contents Reading package lists... Building dependency tree... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Reading package lists... Building dependency tree... apt is already the newest version. Package cowdancer is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package cowdancer has no installation candidate I: unmounting dev/pts filesystem I: unmounting proc filesystem pbuilder create failed forking: rm -rf /opt/cowbuilder

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  • Frequent GUI pauses in Ubuntu 13.04 / Unity / Intel HD4000

    - by Simon
    I'm experiencing very frequent (and regular) GUI pauses on my system. Every 30 seconds (pretty much exactly) the GUI will freeze for maybe .25 to .5 seconds. The mouse stops moving, keys stop echoing and a stopwatch timer briefly pauses. I'm using the Intel Graphics driver available from: https://download.01.org/gfx/ubuntu/13.04/main I've looked in a few places and tried a few things for a solution: I've checked cron and anacron for scheduled processes. I've disabled background processes (eg mysql, postgres, apache) not that these were doing anything anyway I've checked the following posts and tried the suggestions there: Unity GUI pauses/freezes for less than a few seconds How to go about troubleshooting frequent system pauses I've watched the system using top and System Monitor and there are no spikes (or even blips) of cpu usage when the pauses occur. There are no obvious error messages in dmesg or syslog There is loads of free RAM (8GB+) and no swap usage If it helps it's a ZooStorm i5 laptop with a HD4000 GPU, 16GB Ram and an SSD. Any help / suggestions would be very gratefully received.

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  • New qeep app for Java ME feature phones: meet qeepy people

    - by hinkmond
    Is it "qeepy" if you meet people by using your cell phone instead of, you know, talking to them? Nah. Not if it's a Java ME cell phone! See: Use Qeep to Meet Peeps Here's a quote: Qeep is a free app, and compatible with over 1,000 Java-enabled feature phones... ... Qeep is one of the world's largest mobile gaming and social discovery platforms. Members of the mobile community can play live multiplayer games; blog photos; send sound attacks, text messages and virtual gifts; and meet new friends worldwide. So, go on. Go, use Qeep on your Java ME feature phone to play multiplayer games, blog photos, and meet new friends worldwide. No one will think that you're weird... Not much, at least. Hinkmond

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