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  • Eclipse not launching

    - by user274959
    I have installed Ubuntu 14.04, I have installed Eclipse using Ubuntu Software Center. But Eclipse is not opening, when I click it is not opening or showing any error message it is very silent. Output for java -version: java version "1.7.0_55" Java(TM) SE Runtime Environment (build 1.7.0_55-b13) Java HotSpot(TM) Server VM (build 24.55-b03, mixed mode) uname -a: Linux Lenovo-IdeaPad-Z510 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:08:14 UTC 2014 i686 i686 i686 GNU/Linux When I give Eclipse in terminal I am getting The program 'eclipse' is currently not installed. You can install it by typing: sudo apt-get install eclipse-platform And when I give sudo apt-get install eclipse-platform Reading package lists... Done Building dependency tree Reading state information... Done eclipse-platform is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

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  • Insane load average after reboot

    - by Gazzer
    After doing a reboot of Ubuntu server 12.04 LTS (after an apt-get dist-upgrade) my server load (on a 16GB) machine goes insane (around 80) for about 10 or 15 minutes The only things I can think of are these two processes: /usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf --skip-column-names --batch -e ? select concat('select count(*) into @discard from `',? TABLE_SCHEMA, '`.`', TABLE_NAME, '`') ? from information_schema.TABLES where ENGINE='MyISAM' /usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf --skip-column-names --silent --batch --force -e select count(*) into @discard from `information_schema`.`PARTITIONS` Is this normal?

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  • MPD to play music to single channel of my multi-channel card?

    - by hany tawfik
    I installed an Ubuntu 12-04 LTS server for a special background music application of mine, where I am using the server with an Asus Xonar DS sound card. The installation is successful, the MPD is working, the sound card is working with Alsa and its libraries installed accept for Alsa-oss. Alsamixer is working fine with left/right sides of each channel volume control through Q/Z letters shortcut when alsamixer is open in terminal . using the command " speaker-test -Dplug:surround71 -c8 -l1 -twav " I can hear every voice message coming out from the card at the right connector, so "front right/ front left" voice message are coming from first output in the card back, while the other outputs are silent..so on. The problem is that MPD is playing on all outputs simultaneously the same audio. I have been trying various configurations for the last 12 days with out any success, including trying to put mappings in the /etc/asound.conf Can any body help me achieve the above, or direct me to the right configuration of MPD or asound.conf

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  • YouTube: Up & Running with Twitter Bootstrap

    - by Geertjan
    "Twitter Bootstrap is a free collection of tools for creating websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions. It is the most popular project on GitHub and has been used by NASA and MSNBC among others." (Wikipedia) Normally, when you read "getting started" instructions for Twitter Bootstrap, you're told to download various things from various sites. Then you're told to set up various folders and files, etc. What if it could be much simpler than that? Spend 7 minutes with me in this (silent) screencast and you'll see a complete development environment for developing applications with Twitter Bootstrap: Two things that could be added to the movie are the JavaScript debugger, the support for responsive design via switching between form factors in the embedded browser and Chrome with the NetBeans plugin, as well as how to convert the application to a native Android or iOS package via in-built Cordova support.

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  • Skype 4.2 crashes and bugs on 13.10

    - by Juhani Taylor
    I've installed Skype and it appears to work fine right up until the point where I try to call someone. If I try to video call someone then the programme freezes and I have to force quit. I've tried several 'solutions' I've found on various forums but none seem to work. Now, when I try to call the Echo service as a test to see if the bug's fixed, it seems to connect and start the non-video call, except that it's completely silent. No audio at all. Any help? It seems to be 2 separate issues: audio and generic crashing. Anyone come across these and found solutions?

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  • Autostarting a VirtualBox VM headless in Windows

    - by vdiozguy
    Do you have a VM that you want to start when your Windows box boots? Easy... Add a .bat file  to your Startup programs atC:\Users\MYUSERNAME\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup Containing the following call:"C:\Program Files\HSTART\hstart64.exe" /NOCONSOLE /SILENT "C:\Program Files\Oracle\VirtualBox\vboxheadless.exe --startvm MYVM" If that VM has Secure Global Desktop and it has a published app that points to your PC, well... ;)

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  • Removing an element not currently in a list: ValueError?

    - by Izkata
    This is something that's bothered me for a while, and I can't figure out why anyone would ever want the language to act like this: In [1]: foo = [1, 2, 3] In [2]: foo.remove(2) ; foo # okay Out[2]: [1, 3] In [3]: foo.remove(4) ; foo # not okay? --------------------------------------------------------------------------- ValueError Traceback (most recent call last) /home/izkata/<ipython console> in <module>() ValueError: list.remove(x): x not in list If the value is already not in the list, then I'd expect a silent success. Goal already achieved. Is there any real reason this was done this way? It forces awkward code that should be much shorter: for item in items_to_remove: try: thingamabob.remove(item) except ValueError: pass Instead of simply: for item in items_to_remove: thingamabob.remove(item) As an aside, no, I can't just use set(thingamabob).difference(items_to_remove) because I do have to retain both order and duplicates.

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  • Installing Silverlight applications without the browser involved

    One of the features we are introducing in Silverlight 4 is a silent install mechanism for out-of-browser applications. Currently every out-of-browser application (trusted or not) starts from an in-browser mechanism. In some instances where you want to deploy the app via managed desktop software or perhaps via CD-ROM, you dont want to have to tell the user to start on an HTML page first. Now Im not going to write here about the merits of why you might want to do this other than to point out what...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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  • How do people maintain their test suite?

    - by Ida
    In particular, I'm curious about the following aspects: How do you know that your test cases are wrong (or out-of-date) and needed to be repaired (or discarded)? I mean, even if a test case became invalid, it might still pass and remain silent, which could let you falsely believe that your software works okay. So how do you realize such problems of your test suite? How do you know that your test suite is no longer sufficient and that new test cases should be added? I guess this has something to do with the requirement changes, but is there any systematic approach to check the adequacy of test suite?

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  • Keep Watch over Your Desktop with the Lighthouses Theme for Windows 7

    - by Asian Angel
    Do you love the lonely, enticing beauty of lighthouses standing watch on isolated stretches of beach? Then let these silent sentinels keep watch over your desktop with the Lighthouses Theme for Windows 7. The theme comes with fourteen beautiful images of lighthouses from different locales to keep your desktop safe throughout the night. Note: The theme also comes with nineteen sound files for your system. Download the Lighthouses Theme [Windows 7 Personalization Gallery] HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting

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  • nVidia GT 220 not working properly with Ubuntu 12.10

    - by Glaedr
    I used to enable proprietary nVidia drivers on every previous Ubuntu release to get it working properly (elseway I was forced to a very low resolution and no graphic acceleration), and everything worked fine then. In particular, I noticed - still I don't know why - that the GPU fan on every OS gets noisy until the video drivers are loaded (runlevel 5, it seems, in Linux), and then slows down to a normal speed. Today I installed 12.10. Running the Live CD, surprisingly, everything was working fine: full resolution, acceleration, silent fan, and so on. The running driver was nvidia-current (GT 216). After installing and booting I found that the fan was overrunning. The installed driver is nouveau. I tried installing nvidia-current, or any other proprietary driver, even installing the kernel headers & source and then the drivers (as suggested here), but all I'm getting with proprietary drivers is, the irony, low resolution, noisy fan and no acceleration (thus obviously unity and compiz refusing to start). Does anybody know a way out?

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  • Replacing IE With Mozilla Firefox

    - by Sarfraz
    Hello, Has anyone used the Edskes Software Silent Setup for Mozilla Firefox which is multilingual utility which automatically downloads and installs the latest version of Mozilla Firefox. Basically, it says, we can redirect clients using IE to this URL to let them know that that should better stop using IE any more. So my question is whether this program is worth of using? You can browse through the site for more info about it. Thanks

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  • Translating from cURL to straight HTTP requests

    - by Joshua
    What would the following cURL command look like as a generic (without cURL) http request? feedUri="https://www.someservice.com/feeds\ ?prettyprint=true" curl $feedUri --silent \ --header "GData-Version: 2" For example how could such an http request be expressed in the browser address bar? Partucluarly, how do I express the --header information if I were to just type out the plain http request?

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  • RegCreateKeyEx - does it update the returned handle on failure?

    - by Permaquid
    MSDN documentation seems silent on whether RegCreateKeyEx ever updates the value of the handle referred to by its second-last parameter when it fails. My tests have only shown it not to update this - i.e., I set h = 0 before the call, pass &h to a call to RegCreateKeyEx to open a non-existent key, and see h = 0 after the call. Does anyone know of any situation in which the handle would be changed?

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  • Use BGInfo to Build a Database of System Information of Your Network Computers

    - by Sysadmin Geek
    One of the more popular tools of the Sysinternals suite among system administrators is BGInfo which tacks real-time system information to your desktop wallpaper when you first login. For obvious reasons, having information such as system memory, available hard drive space and system up time (among others) right in front of you is very convenient when you are managing several systems. A little known feature about this handy utility is the ability to have system information automatically saved to a SQL database or some other data file. With a few minutes of setup work you can easily configure BGInfo to record system information of all your network computers in a centralized storage location. You can then use this data to monitor or report on these systems however you see fit. BGInfo Setup If you are familiar with BGInfo, you can skip this section. However, if you have never used this tool, it takes just a few minutes to setup in order to capture the data you are looking for. When you first open BGInfo, a timer will be counting down in the upper right corner. Click the countdown button to keep the interface up so we can edit the settings. Now edit the information you want to capture from the available fields on the right. Since all the output will be redirected to a central location, don’t worry about configuring the layout or formatting. Configuring the Storage Database BGInfo supports the ability to store information in several database formats: SQL Server Database, Access Database, Excel and Text File. To configure this option, open File > Database. Using a Text File The simplest, and perhaps most practical, option is to store the BGInfo data in a comma separated text file. This format allows for the file to be opened in Excel or imported into a database. To use a text file or any other file system type (Excel or MS Access), simply provide the UNC to the respective file. The account running the task to write to this file will need read/write access to both the share and NTFS file permissions. When using a text file, the only option is to have BGInfo create a new entry each time the capture process is run which will add a new line to the respective CSV text file. Using a SQL Database If you prefer to have the data dropped straight into a SQL Server database, BGInfo support this as well. This requires a bit of additional configuration, but overall it is very easy. The first step is to create a database where the information will be stored. Additionally, you will want to create a user account to fill data into this table (and this table only). For your convenience, this script creates a new database and user account (run this as Administrator on your SQL Server machine): @SET Server=%ComputerName%.@SET Database=BGInfo@SET UserName=BGInfo@SET Password=passwordSQLCMD -S “%Server%” -E -Q “Create Database [%Database%]“SQLCMD -S “%Server%” -E -Q “Create Login [%UserName%] With Password=N’%Password%’, DEFAULT_DATABASE=[%Database%], CHECK_EXPIRATION=OFF, CHECK_POLICY=OFF”SQLCMD -S “%Server%” -E -d “%Database%” -Q “Create User [%UserName%] For Login [%UserName%]“SQLCMD -S “%Server%” -E -d “%Database%” -Q “EXEC sp_addrolemember N’db_owner’, N’%UserName%’” Note the SQL user account must have ‘db_owner’ permissions on the database in order for BGInfo to work correctly. This is why you should have a SQL user account specifically for this database. Next, configure BGInfo to connect to this database by clicking on the SQL button. Fill out the connection properties according to your database settings. Select the option of whether or not to only have one entry per computer or keep a history of each system. The data will then be dropped directly into a table named “BGInfoTable” in the respective database.   Configure User Desktop Options While the primary function of BGInfo is to alter the user’s desktop by adding system info as part of the wallpaper, for our use here we want to leave the user’s wallpaper alone so this process runs without altering any of the user’s settings. Click the Desktops button. Configure the Wallpaper modifications to not alter anything.   Preparing the Deployment Now we are all set for deploying the configuration to the individual machines so we can start capturing the system data. If you have not done so already, click the Apply button to create the first entry in your data repository. If all is configured correctly, you should be able to open your data file or database and see the entry for the respective machine. Now click the File > Save As menu option and save the configuration as “BGInfoCapture.bgi”.   Deploying to Client Machines Deployment to the respective client machines is pretty straightforward. No installation is required as you just need to copy the BGInfo.exe and the BGInfoCapture.bgi to each machine and place them in the same directory. Once in place, just run the command: BGInfo.exe BGInfoCapture.bgi /Timer:0 /Silent /NoLicPrompt Of course, you probably want to schedule the capture process to run on a schedule. This command creates a Scheduled Task to run the capture process at 8 AM every morning and assumes you copied the required files to the root of your C drive: SCHTASKS /Create /SC DAILY /ST 08:00 /TN “System Info” /TR “C:\BGInfo.exe C:\BGInfoCapture.bgi /Timer:0 /Silent /NoLicPrompt” Adjust as needed, but the end result is the scheduled task command should look something like this:   Download BGInfo from Sysinternals Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? 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  • Upstart scripts

    - by The Journeyman geek
    I'm planning on setting up a server using ubuntu lucid lynx, which uses upstart.I'm not finding the docs too intuitive, so i'd like to ask a solution for my specific problem. I'm currently using a script to start up my IPV6 tunnel with free6/gogo6 - right now its a simple script invoking a single command, and its configuration file #! /bin/sh /usr/local/gw6c/bin/gw6c -f /usr/local/gw6c/bin/gw6c.conf Of course, when this goes down, it tends to be silent, and so i'd need to get in and restart it I'd like to set up an upstart script which will start this app on startup, functionally identical to the script i have restart this script as 'root' should the app fail enable me to restart the tunnel should anything go wrong.

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  • Mac OS X Server 10.6 - Apple's software mirrored RAID worth it?

    - by Arko
    Hi, I am installing an Intel Xserve (Quad core Xeon) with Snow Leopard Server (10.6) on two 80Gb 7200rpm SATA HDs. I created a mirrored RAID set using Disk Utility with those two drives, all went fine. I was then asking myself if this is really a good idea. I know that an hardware RAID system would be better, but what about this software RAID? Have you any feedback on this? Will it work fine if one HD breaks down? Does this affect performance? [UPDATE] In short: Hardware RAID is better than software RAID which is better than none. Thank you all for the answers, they were very helpful. Especially Gordon's script to monitor failures. As Apple's software RAID is pretty silent about a drive failure.

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  • How to swap the "fn" use of Function keys on al Apple Keyboard in Linux

    - by jfmessier
    I have an apple slim keyboard (USB) and if I want to use one of the Function Key as-is, I also have to press "fn " key first. Otherwise, it will try to perform the other function of the key, such as increasing or decreasing the display intensity, change the volume/mute, etc.... As well, the fn key is actually in the position of the "insert" key for regular keyboards. How can I fix all of that ? I really like this keyboard, as it make my typing much easier, and much more silent too. But some of those mappings that are different sometime bug me. Thanks :-)

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  • Is my PC Good enough [closed]

    - by Moinak Nath
    I'm getting a new laptop this Christmas and I was wondering if it's good enough for what I do. I'll be playing games like Need for Speed: Most Wanted (2012) and other NFS games. Also silent hunter and flight sim. I also browse the internet download stuff like, watch movies occasionally type documents with word, edit videos, and transfer files. To be more specific is the hdd big enough? is the ram big enough? Is the graphics card good? is the cpu speed enough, and is Windows windows 8 good for all these things. i also video chat so these are the specs 2.2 Ghz Intel Pentium B960 Dual Core 4 GB RAM 320 GB HDD Intel HD Graphics 720p Webcam 4 USB Ports (2 USB 3.0 @ 2 USB 2.0) HDMI Port It Is a Lenovo IdeaPad This is the one im Looking at http://www.bestbuy.com/site/Lenovo+-+IdeaPad+15.6%26%2334%3B+Laptop+-+4GB+Memory+-+320GB+Hard+Drive+-+Black/6851264.p?id=1218809260330&skuId=6851264#tab=specifications

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  • Got black screen when recording screen from xvfb by ffmpeg x11grab device

    - by shawnzhu
    I'm trying to record video from a firefox run by xvfb-run but it always output nothing in the video file except black screen. Here's what I did: start a firefox, open google.com: $ xvfb-run firefox https://google.com Then it will use the default display server number 99. I can see the display information by command xdpyinfo -display :99. A screenshot works very well by command: $ xwd -root -silent -display :99.0 | xwdtopnm |pnmtojpeg > screen.jpg Start using ffmpeg to record a video: $ ffmpeg -f x11grab -i :99.0 out.mpg When I play the video file out.mpg, there's black screen all the time. Is there any parameter I missed? Updates I made progress that the video works instead of black screen only by this command: $ ffmpeg -y -r 30 -g 300 -f x11grab -s 1024x768 -i :99 -vcodec qtrle out.mov Notice it requires the screen resolution matches by specify more options to xvfb-run: $ xvfb-run -s "-screen 0 1224x768x16" -a firefox http://google.com But I still want to get more feedbacks and answers here.

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  • How to remap a NERDTree shortcut in VIM

    - by btelles
    Hi There, I use the Dvorak keyboard layout with VIM, and the 't' key is the 'up' motion when editing a regular file. The problem is that NERDTree remaps 't' to open files in a new tab. How can I undo that mapping and use 't' for the up motion in NERDTree? Here are the relevant lines from my vimrc file and from the NERDTree plugin. My .vimrc: no t k NERDTree plugin file: exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTab ." :call <SID>openInNewTab(0)<cr>" call s:initVariable("g:NERDTreeMapOpenInTab", "t") let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"

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