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  • Tools for modelling data and workflows using structured text files

    - by Alexey
    Consider a case when I want to try some idea of an application. But I want to avoid investing a lot of effort in coding UI/work flows/database schema etc before I see that it's going to be useful to me (as example of potential user). My idea is stay lightweight and put all the data in text files. So the components could be following: Domain objects are represented by text files or their fragments Domain objects are grouped by their type using directories Structure the files using some both human- and machine-friendly format, e.g. YAML Use some smart text editor (e.g. vim, emacs, rubymine) to edit and navigate those files Use color schemes and macros/custom commands of the text editor to effectively manipulate those files Use scripts (or a lightweight web framework like Sinatra) to try some business logic ideas on top of the data model The question is: Are there tools or toolkits that support or can be adopted to this approach? Also any ideas, links to articles/other knowledge sources are very welcome. And more specific question: What is the simplest way to index and update index of files with YAML files?

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  • Cannot connect Ubunto to Windows pc either direction

    - by Frank A
    New to ubuntu and really struggling with this. I want to connect to my old windows XP Pc on our home network. Searching for solutions gets complicated as at one level you are told use Connect to Server. I set to Windows Share, type in server IP address.. ... I get "Failed to retrieve share list from server" Demo on Youtube worked with no problem. Other advice in ask ubuntu is you need to install samba. Did that but nothing seems to happen when I try and run it other than it asking for admin password. (How do you tell what is running on Ubuntu?) So I try the other direction Windows XP to Ubuntu. I made the ubuntu directory within home frank shared and tried various combination such as \ipaddress\home\frank but just "The folder you entered does not appear to be valid. Please choose another." My entire data only drive is shared in Windows and no problems accessing that from other Win XP boxes on our network There are no alerts in Windows firewall, Ubuntu Firestarter did block but changed that to allowed... or so I thought. In firestarter I had set up Inbound traffic policy 192.168.1.1/24. And since then it has added the ip address of the win pc twice. So, I am in a state of confusion not knowing whedre to turn next so thought Ask Ubuntu :)

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  • Restoring GRUB2 on Software RAID 0 after Windows 7 wiped it using Ubuntu 10.10 LiveCD

    - by unknownthreat
    I have installed Ubuntu 10.10 on my system. However, I need to install Windows 7 back, and I expect that it would alter GRUB and it did. Right now, my partition on my Software RAID 0 looks like this: nvidia_acajefec1 is Ubuntu 10.10 and nvidia_acajefec3 is Windows 7. I've been following some guides around and I am always stuck at GRUB not able to detect the usual RAID content. I've tried running: sudo grub > root (hd0,0) GRUB complains it couldn't find my hard disk. So I tried: find (hd0,0) And it complains that it couldn't find anything. So I tried: find /boot/grub/stage1 It said "file not found". Here's the text from the console: ubuntu@ubuntu:~$ grub Probing devices to guess BIOS drives. This may take a long time. [ Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. ] grub> root (hd0,0) root (hd0,0) Error 21: Selected disk does not exist grub> find /boot/grub/stage1 find /boot/grub/stage1 Error 15: File not found Fortunately, I got one person suggesting that what I've been trying to do is for GRUB Legacy, not GRUB2. So I went to the suggested website, ** (http://grub.enbug.org/Grub2LiveCdInstallGuide) **try to look around, and try: ubuntu@ubuntu:~$ sudo fdisk -l Unable to seek on /dev/sda This is just the step 2 of the instruction in the http://grub.enbug.org/Grub2LiveCdInstallGuide and I cannot proceed because it cannot seek /dev/sda. However, ubuntu@ubuntu:~$ sudo dmraid -r /dev/sdb: nvidia, "nvidia_acajefec", stripe, ok, 488397166 sectors, data@ 0 /dev/sda: nvidia, "nvidia_acajefec", stripe, ok, 488397166 sectors, data@ 0 So what now? Do you have an idea for how to make fdisk see my RAID array on live cd (Ubuntu 10.10)? Honestly, I am lost, very lost in trying to restore GRUB2 on this software RAID 0 system right now.

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  • How to fix no splash screen in Ubuntu after nvidia proprietary driver installation (also black borders)

    - by Fabio Trevisiol
    This is soultion how to fix no splash screen in Ubuntu after nvidia proprietary driver installation. It's no matter what Ubuntu version you use, it should work anyway. (TESTED ON 14.04) Open your terminal and type: sudo apt-get install v86d (TEST WITHOUT) Then: sudo gedit /etc/default/grub Find this line: #GRUB_GFXMODE=640x480 Add below (of course choose your resolution): GRUB_GFXMODE=1024x768x32 (TRY WITHOUT OR DIFFERENT BIT DEPTH) GRUB_GFXPAYLOAD_LINUX=1920x1080x32 (YOU CAN ALSO USE THE KEEP OPTION) Save file and type in terminal: echo FRAMEBUFFER=y | sudo tee /etc/initramfs-tools/conf.d/splash (ALLOWS TO AVOID THAT THE SPLASH SCREEN IS DISPLAYED FOR A FEW SECONDS) sudo update-initramfs -u sudo update-grub2 For all those who complain about the presence of black borders in "plymouth", try to make these changes before installing the nvidia driver or switch back from nvidia to nouveau and from nouveau to nvidia. Kernel update from the Software Updater? It happened to me; I don't know if it matters. I don't know for which of these reasons, but after a few reboots, the black borders are gone. UPDATE discovered the secret: during all these beautiful things, something strange happened. glxinfo | grep vendor server glx vendor string: SGI client glx vendor string: Mesa Project and SGI OpenGL vendor string: nouveau

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  • XNA Easy Storage XBOX 360 High Scores

    - by user1003211
    To followup from a previous query - I need some help with the implementation of easystorage high scores, which is bringing up some errors on the xbox. I get the prompt screen, a savedevice is selected and a file are all created! However the file remains empty, (I've tried prepopulating but still get errors). The full portions of the scoring code can be found here: http://pastebin.com/74v897Yt The current issue in particular is in LoadHighScores() - "There is an error in XML document (0, 0)." under line data = (HighScoreData)serializer.Deserialize(stream); I'm not sure whether this line is correct either: HighScoreData data = new HighScoreData(); public static HighScoreData LoadHighScores(string container, string filename) { HighScoreData data = new HighScoreData(); if (Global.SaveDevice.FileExists(container, filename)) { Global.SaveDevice.Load(container, filename, stream => { File.Open(Global.fileName_options, FileMode.OpenOrCreate, FileAccess.Read); try { // Read the data from the file XmlSerializer serializer = new XmlSerializer(typeof(HighScoreData)); data = (HighScoreData)serializer.Deserialize(stream); } finally { // Close the file stream.Close(); // stream.Dispose(); } }); } return (data); } I call: PromptMe(); when the Start button is pressed at the beginning. I call: if (Global.SaveDevice.IsReady){entries = LoadHighScores(HighScoresContainer, HighScoresFilename);} during the menu screen to try and display the highscore screen. I call: SaveHighScore(); when game ends. I've tried altering the struct code to a class but still no luck. Any help greatly appreciated.

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  • Is my current employer expecting too much?

    - by priyank patel
    This is my first job as a programmer.I am working on ASP.NET/C#,HTML,CSS,Javascript/Jquery. I am working for a firm which develops software for small banking firms. Currently they have their software running in 100 firms.Their software is developed in Visual Fox Pro. I was hired to develop online version of this software.I am the solo developer. My boss is another developer.So my company has two developers. My boss doesnot have any idea about .NET development.I am working on their project since 8 months.The progress is surely there but not very big. I try my best to do what my boss asks.But the project just seems too ambitious for me. The company doesnot have any planning for the project.They just ask me to develop what their older software provides.So I have to deal with front end , back end,review codes , design architecture and etc. I have decided to give my best.I try a lot.But the project sometimes just seems to be overwhelming. So my questions is , is it normal for a programmer to be in this place. I always feel the need to work in atleast a small team if not big one. Are my employers just expecting too much of a fresher.Or is that I being a programmer am lacking the skills to deal with this. I am just not able judge my condition.Also I am paid very low salary.I do work on saturday as well. Can anyone just help me judge this scenario? Any suggestions are welcome.

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  • sudo dhclient eth0 | sudo: unable to resolve host ubuntu

    - by Merianos Nikos
    I have a computer of a friend of mine, that runs Ubuntu (I don't know what version, due to the current system status) and while he was updating the kernel, he reboot the computer (yes that could be happen !!, anyway) Currently I am trying to recover the system by using a live USB, with Ubuntu installed on it. What I am doing, is the following: Update Failure The problem is that when I try to execute the fifth step, I am getting error because I do not have Internet access. The computer is properly wired on my rooter, and I have Internet access in any place apart of the shell. This message for example is send it via the live USB. but I cannot access the Internet via the shell. In my shell I try to use this command: sudo dhclient eth0 but the result of this command is the following message sudo: unable to resolve host ubuntu My hosts file has the following content: 127.0.0.1 localhost 127.0.1.1 ubuntu # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts how can I get connected on the Internet, in order to download the appropriate updates ? UPDATE 1 I just notice, that when I execute the ifconfig I am getting the following warning: Warning: cannot open /proc/net/dev (No such file or directory). Limited output. UPDATE 2 I just found that, and looks like solving the problem with dhclient eth0 command, but still I cannot ping Google UPDATE 3 Now the sudo dhclient eth0 returns the following message: RTNETLINK answers: File exists UPDATE 4 I just ping my rooter and I getting response, so, it is looks like I cannot ping outside the rooter (ie. Google) Kind regards ...

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  • First Look - Oracle Data Mining

    - by kimberly.billings
    In his blog, JT on EDM, James Taylor shares his analysis of Oracle Data Mining, including its new GUI and Exadata integration. While Oracle Data Mining has been available for a while, it is now easier to access and try via the Amazon Cloud. Using the Oracle 11gR2 Data Mining Amazon Machine Image (AMI), you can launch an Oracle Data Mining-enabled instance directly through Amazon Web Services (AWS) and connect to it using the Oracle Data Miner graphical user interface. The new Oracle Data Mining GUI, which will be available to beta customers soon, provides more graphics, the ability to define, save and share analytical "work flows" to solve business problems, and provides more automation and simplicity. Taylor comments that, "the UI looks to have a nice look and feel including graphical model development flows, easy access to the data, nice little micro graphs when browsing data records and more." On using Oracle Data Mining with Exadata, Taylor writes, "Oracle says that the use of the ODM routines in the Exadata kernel is faster than running a native ODM model in the database by a factor of 2 and that this increases as more joins are used. This could mean that ODM outperforms even third party in-database analytics." Taylor concludes his blog with a positive overall review, stating that "ODM is a nice product for Oracle database customers and well worth looking into. The new UI will only make it more so." Read the blog. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • How to start gnome-shell?

    - by Tim
    I successfully installed the gnome 3 gnome-shell from the launchpad ppa on my fully updated Natty test system. However, nothing I tried could get it to actually run. If I selected it in the startup options, I got a plain light blue screen with absolutely nothing on it. If I tried to start it using "gnome-shell --replace", I got: gnome-shell --replace & [2] 3251 tim@nattytest:/usr/lib$ Traceback (most recent call last): File "/usr/bin/gnome-shell", line 705, in normal_exit = run_shell() File "/usr/bin/gnome-shell", line 293, in run_shell if shell is None: UnboundLocalError: local variable 'shell' referenced before assignment /usr/bin/compiz (core) - Error: Screen 0 on display ":0.0" already has a window manager; try using the --replace option to replace the current window manager. [2]+ Exit 1 gnome-shell --replace I also tried preceding that with metacity --replace, as suggested at ubuntuforums.com. But, I got the same failure. I also linked /usr/lib/libmozjs.so to /usr/lib/xulrunner-2.0b12/libmozjs.so, which did not help either. No matter what I try, I get the same error messages. Thanks.

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  • #mvvmlight V4 update for Win8 RTM

    - by Laurent Bugnion
    With Windows 8 RTM out of the doors (at least for some of us), it was also time to create an update to MVVM Light. I selected the V4 RTM to do this (V4.0.23).This RTM version was released a few weeks ago with no much bells and whistles because I was just too busy to write much about it. Now after some vacation, I will resume blogging on all my favorite topics including of course MVVM Light. Upgrade Upgrading the installations should not require an ununistall, so try to simply run the MSI downloaded from the Download section at http://mvvmlight.codeplex.com/. Should you encounter any issue, try to uninstall the old version first following the steps at http://galasoft.ch/mvvm/cleaning/. Upgrading current apps from Win8 RP to Win8 RTM I didn’t recompile the assemblies of MVVM Light, so if you had a version running with V4.0.23 on Windows 8 RP, you should be able to use the same DLLs on Windows 8 RTM. If you were using earlier versions however, I would recommend doing an upgrade. I noticed a warning regarding the signing certificate. It is due to the PFX key which appears to be outdated after the upgrade to Windows 8 RTM. I solved this warning by replacing the old PFX key with a new one I copied from a new project. The warning did not cause the build to fail though. About MVVM Light V4 RTM The RTM is finalizing quite a lot of issues. The change log is available at http://galasoft.ch/mvvm/installing/changes/. There are some issues that are either still open or that popped up since then, and I am working on V4.1 to be released in the next few weeks. In addition to that, I have plans to support Windows Phone 8 (when it comes) and have a nice list of ideas for V5 with a few new components. Thanks again for your continuous support of MVVM Light! Laurent   Laurent Bugnion (GalaSoft) Subscribe | Twitter | Facebook | Flickr | LinkedIn

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  • How to search for a tester?

    - by MainMa
    As a freelance developer, a few times I tried to find some testers to be able to let them test my software/web applications. If I try to find them, it's because most of the customers are not intended to hire external testers and don't see why this can benefit to them, so products are UI-untested and buggy. I tried lots of things. Discussion boards for IT people, specific websites for people who search for a job. Every time I clearly precise that I'm looking for product testers. I completely failed to find anybody for this job. I found instead two types of people: Non IT people who try to qualify as testers, but don't have enough skills for that, and don't really know what testing is and how to do it, Programmers, who are skilled as programmers, but not as testers, and who mostly don't understand neither what testing is about (or think it's the same thing as code review, or it consists in writing unit tests). Of course, they submit general programmers resumes, where they describe their high experience in Assembler and C++, but don't tell anything about anything related to the job of a tester. What I'm doing wrong? Isn't it called "tester"? Is there at least a tester job, different from general programming job? Is there any precise requirement to require from each candidate which can eliminate non IT people and general programmers?

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  • How to start gnome-shell?

    - by Tim
    I successfully installed GNOME 3 and GNOME Shell from the Launchpad PPA on my fully updated Natty test system. However, nothing I tried could get it to actually run. If I selected it in the startup options, I got a plain light blue screen with absolutely nothing on it. If I tried to start it using gnome-shell --replace, I got: gnome-shell --replace & [2] 3251 tim@nattytest:/usr/lib$ Traceback (most recent call last): File "/usr/bin/gnome-shell", line 705, in <module> normal_exit = run_shell() File "/usr/bin/gnome-shell", line 293, in run_shell if shell is None: UnboundLocalError: local variable 'shell' referenced before assignment /usr/bin/compiz (core) - Error: Screen 0 on display ":0.0" already has a window manager; try using the --replace option to replace the current window manager. [2]+ Exit 1 gnome-shell --replace I also tried preceding that with metacity --replace, as suggested at ubuntuforums.com. But, I got the same failure. I also linked /usr/lib/libmozjs.so to /usr/lib/xulrunner-2.0b12/libmozjs.so, which did not help either. No matter what I try, I get the same error messages.

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  • XMLPad – a new tool in my developer utility belt

    - by jamiet
    Yesterday I was on the lookout for a free tool that would help me write XPath statements. I put a shout out on Twitter and Johan Barnard replied saying : Give XMLPad a try http://www.wmhelp.com/xmlpad3.htm I’m sure there are legions of developers out there that know all about XMLPad but I had never heard about it so I suspect some of you reading haven’t either. Today I downloaded it to give it a run out and I gotta say – I love it. I only used it to do one thing –constructing an XPath expression to point to a particular Configuration definition in a .dtsx file- and it allowed me to do that with consummate ease. The feature I particularly loved was that, similar to Google Suggest, it showed me results from my expression as I typed. Here is a screenshot of my XPath expression to find (and just try saying this in a hurry) the value of a property whose DTS:Name attribute equals ‘ConfigurationString’ of a Configuration definition where the value of that Configuration definition’s property whose DTS:Name attribute equals ‘ObjectName’, equals ‘BIConfig My XPath expression: /DTS:Executable/DTS:Configuration[DTS:Property[@DTS:Name=’ObjectName’]=’BIConfig’]/DTS:Property[@DTS:Name=’ConfigurationString’] and believe me, there was no way I would have been able to come up with that without a tool to help me! So, an easy tip for you – if you need to write XPath expression download XMLPad for free from http://www.wmhelp.com/xmlpad3.htm and see what it can do for you. That’s all. Its now Friday evening and I’m shutting down and relaxing before heading to the big game at Twickenham tomorrow (yes, I have a ticket ). Have a good one! @Jamiet

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  • Install Adobe AIR on Ubuntu/Linux

    Since quite some time Adobe Technologies released the Linux version of Adobe AIR to bring web applications and widgets to your desktop. Installing new applications on a Linux system is not always as easy as switching the computer on. The following instructions might be helpful to install Adobe AIR on any Linux system. First of all, get the latest installer of Adobe AIR from http://get.adobe.com/air/ - as of writing this article the file name is AdobeAIRInstaller.bin. Save the download in your preferred folder. Now, there are two ways to run the installer - visual style or console style. Visual Installation Launch your favorite or standard file manager like thunar or nautilus and browse to the folder where the AdobeAIRInstaller.bin has been saved. Right click on the file and choose 'Properties' in the context menu Set 'Execute' permissions and confirm modifications with OK Rename file into AdobeAIRInstaller Double click and follow the instructions Using the console Open a terminal like xterm Change into the directory where you stored the download Run this command:[code]chmod +x AdobeAIRInstaller.bin[/code] Now run this command:[code]sudo ./AdobeAIRInstaller.bin[/code] The normal installer will open, install it. From now whenever you download a .air file, just double click it and it will be installed. Troubleshooting In case that the installation does not start properly, try to install via console. This gives you more details about the reasons. Should you run into something like this: [code]AdobeAIRInstaller.bin: 1: Syntax error: "(" unexpected[/code] Double check the execute permission of the installer file and try again.

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  • Is my first employer expecting too much?

    - by priyank patel
    This is my first job as a programmer. I am working using the followig technologies: ASP.NET C# HTML CSS Javascript JQuery I work for a firm which develops software for small banking firms. Currently they have their software running in 100 firms. Their software is developed in Visual Fox Pro. I was hired to develop an online version of this software. I am the only developer. My boss is another developer, the only other developer in the firm. Therefore, my employer has a total of two developers. My boss does not have any experience with .NET development. I have been working on this project for 8 months. The progress is there, but has been very slow. I try my best to do what my boss asks. But the project just seems too ambitious for me. The company has not done have any planning for the project. They just ask me to develop what their older software provides. So I have to deal with front end, back end, review code, design architecture, and more. I have decided to give my best. I try a lot. But the project sometimes just seems to be overwhelming. Question: Is it normal for a beginner programmer to be in this place? Are my employers just expecting too much of a new programmer? As a programmer, am I lacking skills one needs to deal with this? I always feel the need to work in at least a small team, if not big one. I am just not able judge my condition. Also I am paid very low salary. I do work on Saturday as well. Please, help to clarify my judgment. Any suggestions are welcome.

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  • Panning with the OpenGL Camera / View Matrix

    - by Pris
    I'm gonna try this again I've been trying to setup a simple camera class with OpenGL but I'm completely lost and I've made zero progress creating anything useful. I'm using modern OpenGL and the glm library for matrix math. To get the most basic thing I can think of down, I'd like to pan an arbitrarily positioned camera around. That means move it along its own Up and Side axes. Here's a picture of a randomly positioned camera looking at an object: It should be clear what the Up (Green) and Side (Red) vectors on the camera are. Even though the picture shows otherwise, assume that the Model matrix is just the identity matrix. Here's what I do to try and get it to work: Step 1: Create my View/Camera matrix (going to refer to it as the View matrix from now on) using glm::lookAt(). Step 2: Capture mouse X and Y positions. Step 3: Create a translation matrix mapping changes in the X mouse position to the camera's Side vector, and mapping changes in the Y mouse position to the camera's Up vector. I get the Side vector from the first column of the View matrix. I get the Up vector from the second column of the View matrix. Step 4: Apply the translation: viewMatrix = glm::translate(viewMatrix,translationVector); But this doesn't work. I see that the mouse movement is mapped to some kind of perpendicular axes, but they're definitely not moving as you'd expect with respect to the camera. Could someone please explain what I'm doing wrong and point me in the right direction with this camera stuff?

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  • Websockets through Stunnel is giving random bytes.

    - by user16682
    I have several servers set up for a web application that I am developing. One is a load balancing server, and I'm running a php WebSockets server on this balancer. The website that I am developing on uses ssl, so I have my WebSockets running through a wss uri connecting directly to the balancer, where I have set up stunnel4 to decrypt all traffic at a certain port and re-rout it to my php WebSockets server. This works fine when it comes down to connecting to my server. That's not the problem. The problem occurs when I try to send data to the server. Occasionally when I try this, stunnel does not appear to be decrypting the data properly. I get garbage characters in my termanal running the server: what appear to be completely random bytes. This can sometimes go on for several consecutive messages that I send before abruptly working again. It is very erratic and unpredictable. Sometimes I refresh the page, and all the messages work perfectly. Sometimes the WebSocket connects and I have to wait 5-10 seconds before any messages I send are interpreted properly by the server. Other times I can't send any messages at all, because they all end up as garbage. I believe this is a stunnel problem, but I am not certain. Does anybody have any experience with this? I would like a more predictable server if I can get it. Some more information: This occurs extensively in Chrome, not quite as much in FireFox, and never in Safari. The php server I am using is phpws http://code.google.com/p/phpws/ -- On the WebSocket connection, this server would sometimes detect that the header was only 1 byte in size, the first byte of the WebSockets header. I had to modify the server to flush the buffer ever time this occurred so that it would reliably connect.

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  • Metacity malfunction preventing custom Gnome session from launching?

    - by QuietThud
    When I try to run Metacity in Ubuntu2D(12.04), I get the following message: alisa@ubuntu:~$ metacity Window manager warning: Screen 0 on display ":2.0" already has a window manager; try using the --replace option to replace the current window manager. I get the same message when running Compiz from the command line in 3D (it opens fine through the GUI (same thing for AWN)). I understand that these should be the default managers for the respective sessions. I'm trying to create a custom Gnome session using the following instructions: unity launcher-free session. Here is what I've put into my .session file: [GNOME Session] Name=Custom Unity2D Session RequiredComponents=gnome-settings-daemon; RequiredProviders=windowmanager;panel; DefaultProvider-windowmanager=metacity DefaultProvider-panel=unity-2d-panel FallbackSession=ubuntu-2d DesktopName=GNOME Since I'm having problems identifying my default, and the code refers to Metacity, I figured this may be relevant to my inability to load the custom session (it shows up on my login screen, but won't launch). I tried specifying Metacity as my default manager by adding exec metacity to the .xinitrc file, and I tried running metacity --replace, but neither worked. How do I determine my current default window manager, what should the default be, and how do I re-assign it? Also, please let me know if you think there may be other issues affecting my custom session. I am new to Linux, so list anything you think might be helpful. Thank you!

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  • What are the advantages of Maven when it comes to single man, educational projects

    - by Leron
    I've spend a few hours playing around with Maven + reading some stuff on the apache official site and also a few random googled articles. By this I mean that I really tried to find the answers myself - both by reading and by doing things on my own. Also maybe worth to mention that I installed the m2e plugin so most of the time I've tried things out from Eclipse and not using the command line too much. However aside from the generated project that for example prevent me from using the default package I didn't see that much of a difference with the standard way I've created my projects before try Maven. In fact I've almost decided to skip Maven for now and move on to the other technology I wanted to learn more in-depth - Hibernate, but when I start with opening the official page the first thing I've read was the recommendation to use Hibernate with Maven. That get me confused and made me taking a step back and trying once more to find what I'm obviously missing right now. As it's said in the maven.apache.. site, the true strength of Maven is shown when you work on large projects with other people, but I lack the option to see how Maven is really used in this scenario, still i think that there are maybe advantages even when it comes to working with small projects alone, but I really have difficulties to point them out. So what do you think are the advantages of Maven when it's used for small projects writing from a single person. What are the things that I should be aware of and try to exploit (I mean features offered by Maven) that can come in handy in this situations?

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  • Creating java package on ubuntu?

    - by Gaurav_Java
    I am new to java. Here I am trying to create java package. And try to compile it from another directory . But there is an error like bash: /home/gaurav/Desktop/package2/B.java: Permission denied Here is fy first code and directory is /home/Desktop/package/A.java package package1; public class A { interface A1 { void show(); void display(); } } class B extends A { public void show() { System.out.println("This is show method()"); } public void display() { System.out.println("this is Display metthod()"); } } For compilation I did this command it's works fine. pwd is /home/gaurav javac /home/gaurav/Desktop/package/A.java When I try to compile B.java which is in my Other drive /media/gaurav/iPlay/package/B.java package package2; class B { public static void main(String args[]) { System.out.println("Reached in Main method of B"); package1.A Object = new A(); } } I tired this vommand (grom previous working directory) javac -cp /home/gaurav/Desktop/;/media/gaurav/iPlay/package/B.java Error Comes javac -cp /home/gaurav/Desktop/;/media/gaurav/iPlay/package/B.java javac: no source files Usage: javac <options> <source files> use -help for a list of possible options bash: /media/gaurav/iPlay/package/B.java: Permission denied What i am doing wrong? Please it my assignment I am not able to move further without this. I changed permissions.

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  • Elementary OS boots to a terminal (other OS) [on hold]

    - by Benjamin Watson
    Im new to this site, please forgive me if I missed some posting protocol of some sort. I am attempting to install Luna on my samsung s2 laptop (a8 amd radeon 7640g) and when I click on try luna, it just pulls up a terminal after the insignia (curvy E). When I install it, same issue. CTRL-ALT-f7 reveals this (hand typed, sorry if there's typos) Starting preload: *starting CUPS printing spooler/server *stopping save kernel messages preload. fsck from util-linux 2.20.1 fsck from util-linux 2.20.1 dosfsck 3.0.12, 29 oct 2011 FAT32, LFN /dev/sda1: 3 files, 245/189518 clusters /dev/sda2: clean, 133841/30294016 files, 2529529/121164544 blocks Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd *starting AppArmor profiles speech-dispacher disabled; edit /etc/default/speech-dispenser *stopping system V initialisation compatibility *starting system V runlevel compatability *starting apci daemon *starting anac(h)ronistic cron *starting save kernal messages *starting ntp server ntpd *starting regular background program processing damon *starting deferred execution scheduler *stopping anac(h)ronistic cron *starting LightDM Display Manager *starting bluetooth daemon *starting mDNS/DNS-SD daemon *starting CPU interrupts balancing daemon *stopping Send an event to indicate plymouth is up saned disabled ; edit /etc/default/saned *starting network connection manager *starting crash report submission daemon *checking battery state... That's it. I can't make heads or tails of it. Please note that while I've been running linux for about a year, I'm still fairly new to all of this, so try to be detailed in your explanations and/or descriptions of what I need to do. Any/all help would be appreciated. Thank you for your time.

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  • passing data to php in ajax [closed]

    - by MertMETIN
    i try to pass my data, actually checkboxes has some datas in their ids, and i read try to read them. like that, <input align="right" type=checkbox name="checkArtist[]" class="checkClass" id ="{$movieId}-{$mCast.id}"></li> dont worry about {$movieId}-{$mCast.id} They are template lite tags. I successfully read checkboxes datas in ajax side. The problem is that i cannot send these datas to my php. var artistIds = new Array(); $(".p16 input:checked").each()(function(){ artistIds.push($(this).attr('id')); }); $.post('/json/crewonly/deleteDataAjax2', { 'artistIds': artistIds },function(response){ if(response=='ok') alert("ok"); }); above code is my ajax but in php side $artistIds is always empty. I found a topic in stackoverflow http://stackoverflow.com/questions/5571646/how-to-pass-a-javascript-array-via-jquery-post-so-that-all-its-contents-are-acce It says how to pass js arrays $.post('/url/to/page', {'someKeyName': variableName}); This is same with my code. What's going wrong ?

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  • Ubuntu 12.04 taking too much time to boot

    - by adarshdinesh
    Ubuntu 12.04 is taking much time for booting, Here is the system kernel message while booting .It is showing that some anacron was killed ,why ? and how to fix the problem ? [ 2.241047] scsi6 : usb-storage 2-1.6:1.0 [ 2.241501] usbcore: registered new interface driver usb-storage [ 2.241895] USB Mass Storage support registered. [ 3.240670] scsi 6:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 0 [ 3.241791] sd 6:0:0:0: Attached scsi generic sg2 type 0 [ 3.243083] sd 6:0:0:0: [sdb] Attached SCSI removable disk [ 12.568641] Adding 4037904k swap on /dev/sda3. Priority:-1 extents:1 across:4037904k [ 12.615014] udevd[462]: starting version 175 [ 12.651334] mei: module is from the staging directory, the quality is unknown, you have been warned. [ 12.655283] [drm] Initialized drm 1.1.0 20060810 ................... [ 14.118369] init: alsa-restore main process (982) terminated with status 19 [ 14.252595] init: anacron main process (1033) killed by TERM signal [ 14.285763] HDMI status: Codec=3 Pin=5 Presence_Detect=0 ELD_Valid=0 [ 14.285841] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8 [ 14.285925] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9 [ 14.285991] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 [ 14.615073] init: plymouth-stop pre-start process (1222) terminated with status 1 [ 16.447287] wlan0: authenticate with c0:8a:de:7c:60:e8 (try 1) [ 16.448858] wlan0: authenticated [ 16.453405] wlan0: associate with c0:8a:de:7c:60:e8 (try 1) [ 16.456392] wlan0: RX AssocResp from c0:8a:de:7c:60:e8 (capab=0x431 status=0 aid=2) [ 16.456398] wlan0: associated [ 16.457014] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 16.457017] ieee80211 phy0: brcmsmac: brcms_ops_bss_info_changed: associated [ 16.457019] ieee80211 phy0: changing basic rates failed: -22 [ 16.457021] ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 0 (implement) [ 16.457226] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 16.654196] ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 1 (implement) [ 17.823565] ieee80211 phy0: wl0: brcms_c_d11hdrs_mac80211: txop exceeded phylen 180/256 dur 1946/1504 [ 18.220865] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 26.881422] wlan0: no IPv6 routers present [ 68.228293] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 73.240133] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 76.574490] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 102.180006] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 103.100984] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 124.171624] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: true (implement)

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  • How do I compile a Wikipedia lens and install?

    - by user49523
    I read a tutorial about how to compile and install a Wikipedia lens, but it didn't work. The tutorial sounds easy - i just copied and pasted to the file that was suppose to edit. I have tried some times and here are 2 edits edit 1: import logging import optparse import gettext from gettext import gettext as _ gettext.textdomain('wikipedia') from singlet.lens import SingleScopeLens, IconViewCategory, ListViewCategory from wikipedia import wikipediaconfig import urllib2 import simplejson class WikipediaLens(SingleScopeLens): wiki = "http://en.wikipedia.org" def wikipedia_query(self,search): try: search = search.replace(" ", "|") url = ("%s/w/api.php?action=opensearch&limit=25&format=json&search=%s" % (self.wiki, search)) results = simplejson.loads(urllib2.urlopen(url).read()) print "Searching Wikipedia" return results[1] except (IOError, KeyError, urllib2.URLError, urllib2.HTTPError, simplejson.JSONDecodeError): print "Error : Unable to search Wikipedia" return [] class Meta: name = 'Wikipedia' description = 'Wikipedia Lens' search_hint = 'Search Wikipedia' icon = 'wikipedia.svg' search_on_blank=True # TODO: Add your categories articles_category = ListViewCategory("Articles", "dialog-information-symbolic") def search(self, search, results): for article in self.wikipedia_query(search): results.append("%s/wiki/%s" % (self.wiki, article), "http://upload.wikimedia.org/wikipedia/commons/6/63/Wikipedia-logo.png", self.articles_category, "text/html", article, "Wikipedia Article", "%s/wiki/%s" % (self.wiki, article)) pass edit 2: import urllib2 import simplejson import logging import optparse import gettext from gettext import gettext as _ gettext.textdomain('wikipediaa') from singlet.lens import SingleScopeLens, IconViewCategory, ListViewCategory from wikipediaa import wikipediaaconfig class WikipediaaLens(SingleScopeLens): wiki = "http://en.wikipedia.org" def wikipedia_query(self,search): try: search = search.replace(" ", "|") url = ("%s/w/api.php?action=opensearch&limit=25&format=json&search=%s" % (self.wiki, search)) results = simplejson.loads(urllib2.urlopen(url).read()) print "Searching Wikipedia" return results[1] except (IOError, KeyError, urllib2.URLError, urllib2.HTTPError, simplejson.JSONDecodeError): print "Error : Unable to search Wikipedia" return [] def search(self, search, results): for article in self.wikipedia_query(search): results.append("%s/wiki/%s" % (self.wiki, article), "http://upload.wikimedia.org/wikipedia/commons/6/63/Wikipedia-logo.png", self.articles_category, "text/html", article, "Wikipedia Article", "%s/wiki/%s" % (self.wiki, article)) pass class Meta: name = 'Wikipedia' description = 'Wikipedia Lens' search_hint = 'Search Wikipedia' icon = 'wikipedia.svg' search_on_blank=True # TODO: Add your categories articles_category = ListViewCategory("Articles", "dialog-information-symbolic") def search(self, search, results): # TODO: Add your search results results.append('https://wiki.ubuntu.com/Unity/Lenses/Singlet', 'ubuntu-logo', self.example_category, "text/html", 'Learn More', 'Find out how to write your Unity Lens', 'https://wiki.ubuntu.com/Unity/Lenses/Singlet') pass so .. what can i change in the edit ? (if anybody give me the entire edit file edited i will appreciate)

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  • Do you ever worry that you're more concerned with how something is built rather than what you are actually building?

    - by Rob Stevenson-Leggett
    As a programmer I have an inherent nagging annoyance at my tools, other peoples code, my code, the world in general. I always want to improve it. So I refactor, I stay on top of the latest techniques. I try and learn patterns, I try to use frameworks so as not to reinvent the wheel. I can write a tech spec that will blow your socks off with the amount of patterns I can squeeze in. However, lately I feel I actually know more about the tools I use than how to actually implement successful software. I feel like I'm lacking in the human factors skill set and I believe that to be a successful software engineer takes more than knowing the coolest framework. I think it needs some of the following skillsets too. Interaction design User experience Marketing I've got a bit of this that I've learned from people I've worked with and great projects I've worked on but I don't feel like I "own" these skills. Am I right? Should I be trying to develop these skills further, or should these be left to the people who do these for a career? How do you make sure you don't get too tied up in how you're doing something and make sure you "make your users awesome"? Does anyone know of good resources for learning these skills from a programming point of view?

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