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  • Stuck with the first record while parsing an XML in Java

    - by Ritwik G
    I am parsing the following XML : <table ID="customer"> <T><C_CUSTKEY>1</C_CUSTKEY><C_NAME>Customer#000000001</C_NAME><C_ADDRESS>IVhzIApeRb ot,c,E</C_ADDRESS><C_NATIONKEY>15</C_NATIONKEY><C_PHONE>25-989-741-2988</C_PHONE><C_ACCTBAL>711.56</C_ACCTBAL><C_MKTSEGMENT>BUILDING</C_MKTSEGMENT><C_COMMENT>regular, regular platelets are fluffily according to the even attainments. blithely iron</C_COMMENT></T> <T><C_CUSTKEY>2</C_CUSTKEY><C_NAME>Customer#000000002</C_NAME><C_ADDRESS>XSTf4,NCwDVaWNe6tEgvwfmRchLXak</C_ADDRESS><C_NATIONKEY>13</C_NATIONKEY><C_PHONE>23-768-687-3665</C_PHONE><C_ACCTBAL>121.65</C_ACCTBAL><C_MKTSEGMENT>AUTOMOBILE</C_MKTSEGMENT><C_COMMENT>furiously special deposits solve slyly. furiously even foxes wake alongside of the furiously ironic ideas. pending</C_COMMENT></T> <T><C_CUSTKEY>3</C_CUSTKEY><C_NAME>Customer#000000003</C_NAME><C_ADDRESS>MG9kdTD2WBHm</C_ADDRESS><C_NATIONKEY>1</C_NATIONKEY><C_PHONE>11-719-748-3364</C_PHONE><C_ACCTBAL>7498.12</C_ACCTBAL><C_MKTSEGMENT>AUTOMOBILE</C_MKTSEGMENT><C_COMMENT>special packages wake. slyly reg</C_COMMENT></T> <T><C_CUSTKEY>4</C_CUSTKEY><C_NAME>Customer#000000004</C_NAME><C_ADDRESS>XxVSJsLAGtn</C_ADDRESS><C_NATIONKEY>4</C_NATIONKEY><C_PHONE>14-128-190-5944</C_PHONE><C_ACCTBAL>2866.83</C_ACCTBAL><C_MKTSEGMENT>MACHINERY</C_MKTSEGMENT><C_COMMENT>slyly final accounts sublate carefully. slyly ironic asymptotes nod across the quickly regular pack</C_COMMENT></T> <T><C_CUSTKEY>5</C_CUSTKEY><C_NAME>Customer#000000005</C_NAME><C_ADDRESS>KvpyuHCplrB84WgAiGV6sYpZq7Tj</C_ADDRESS><C_NATIONKEY>3</C_NATIONKEY><C_PHONE>13-750-942-6364</C_PHONE><C_ACCTBAL>794.47</C_ACCTBAL><C_MKTSEGMENT>HOUSEHOLD</C_MKTSEGMENT><C_COMMENT>blithely final instructions haggle; stealthy sauternes nod; carefully regu</C_COMMENT></T> </table> with the following java code: package xmlparserformining; import java.util.List; import java.util.Iterator; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.Node; import org.dom4j.io.SAXReader; public class XmlParserForMining { public static Document getDocument( final String xmlFileName ) { Document document = null; SAXReader reader = new SAXReader(); try { document = reader.read( xmlFileName ); } catch (DocumentException e) { e.printStackTrace(); } return document; } public static void main(String[] args) { String xmlFileName = "/home/r/javaCodez/parsing in java/customer.xml"; String xPath = "//table/T/C_ADDRESS"; Document document = getDocument( xmlFileName ); List<Node> nodes = document.selectNodes( xPath ); System.out.println(nodes.size()); for (Node node : nodes) { String customer_address = node.valueOf(xPath); System.out.println( "Customer address: " + customer_address); } } } However, instead of getting all the various customer records, I am getting the following output: 1500 Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E Customer address: IVhzIApeRb ot,c,E and so on .. What is wrong here? Why is it printing only the first record ?

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  • How does Linux blocking I/O actually work?

    - by tgguy
    In Linux, when you make a blocking i/o call like read or accept, what actually happens? My thoughts: the process get taken out of the run queue, put into a waiting or blocking state on some wait queue. Then when a tcp connection is made (for accept) or the hard drive is ready or something for a file read, a hardware interrupt is raised which lets those processes waiting to wake up and run (in the case of a file read, how does linux know what processes to awaken, as there could be lots of processes waiting on different files?). Or perhaps instead of hardware interrupts, the individual process itself polls to check availability. Not sure, help?

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  • Android 2.2: Screen brightness/timeout question

    - by Johan
    Im using the following code to adjust the brightness of the screen: public void SetBright(float value) { Window mywindow = getWindow(); WindowManager.LayoutParams lp = mywindow.getAttributes(); lp.screenBrightness = value; mywindow.setAttributes(lp); } But i want the brightness to be 0% for a specific time. But when i use SetBright(0.0f), i cant change it back. I made a timer that runs for a minute with 0% brightness, then turns it back to 100%. Works when i use 10% for example. But when i turn it to 0% i cant seem to wake it up again. Any ideas how to solve this?

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  • Eclipse And Linux: Keyboard unusable after gnome-screen-saver

    - by Martijn Courteaux
    Hi, I know this is not programming related. But I can't find any topics on Google or UbuntuForums. So the problem is: When gnome-screensaver starts on the moment Eclipse has the focus and I wake up again my laptop, Eclipse doesn't listen to keyboard-events. To solve this I have to change the focus to another program and then back to Eclipse. Than it works again. This isn't a real problem, but it would be nice if someone can solve it. Thanks

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  • calling a service from an activity

    - by newbie
    Hi,I have been stuck on this issue for quite some time now.Have read the documentation and many tutorials and they just confuse me more.I hope someone will provide me a straightforward answer.It's really important.Thank you.. Ok ..so i want an activity to get some input from the user as and then send that string to a service.Then i want my service to run in a way so that i can use other applications while this one keeps running in the background.Also i don't want the service to keep running every second.What i want is for the service to get updated location of my current position every 10 minutes so i was thinkin if there could be a way to make my service to go to sleep n wake up evry 10 mins n check for updates.I don't want to show the update on the UI so i dont think i need to use an AIDL approach and also dont need to bind to the service.I js simply want to start the service as soon as the user enters the string and keep the service runing every 10 mins.I think it is really simple but m very confused.Please help.

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  • Detecting user-activity on mac os x

    - by Nobik
    I use the function "IOPMSchedulePowerEvent" to schedule Sleep or Wake-Events and registered my daemon with "IORegisterForSystemPower" to receive power-state-changes. Everything works fine! When system going sleep and later waking up at scheduled time, my daemon do some work, and after it system should going sleep again. Now my questions: How can i detect, if the system was awaked by user or by the scheduled time? How can i detect, if a user currently working with the system, so the daemon have not to put it in sleep-mode??? Thanks Nobik

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  • startActivityResult Problem on Quick Search Box in Android?

    - by Praveen Chandrasekaran
    How to do the startActivityResult() for the Quick Search Box? that is if i click a button in my activity. it should wake up the QSB and search. i click the suggestion button. it will return the string which is shown as a suggestion. how to do it? which intent action i have to use and how ? Any Idea? EDIT: i am using android:searchSuggestIntentAction="android.intent.action.VIEW" attribute. its reloads the current Activity.Why? which intent action i have to use and how ?

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  • Call javascript function from Java (Groovy) class

    - by ashkanr
    Hi, I have a javascript function (very big one!) that I need its functionality in a Java (Groovy) class. It is a simple calendar converter. I can rewrite it in groovy but just want to know if it is possible to call javascript function from a java (groovy) method? I guess functional testing libraries like selenium and Canoo should have something like this, am I right? PS: I don't want to wake up a real-world browser in order to use its JS runtime env. Thanks,

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  • best method for background uploader in Android

    - by Dr.Dredel
    Problem: I want to write a process that will allow a user to take photos with the device and for those photos to then be uploaded to some listener in the cloud. The user should not have to do anything to initiate the upload, a background listener would just watch the folder and as long as it finds files in it it would upload them and delete them. Two problems: 1) how to keep the program running in the background even after the user is no longer taking pictures (and if they reboot the device for it to wake up and finish the uploads, if any remain) 2) assuming the connection is spotty (as it always is) how to verify that a given image has completed its upload, and if not, to resubmit it. I don't need any code examples, I just would like opinions on the best strategy to get this implemented. I was going to use Apache commons and just do an upload to a PHP, but am not sure what sort of error checking exists to take into account a connection drop mid file. TIA.

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  • SQL Server Compact Edition 3.5 performance

    - by Wili
    I am using SQL Server CE 3.5 SP1 in one of my client applications. When a user loads the program and starts using it, performance is fine. If the user lets the program sit idle for a while, it takes a considerable amount of time (10 or more seconds) for the program to respond. Every time the user asks for a new screen, a call is made to the SQL CE database to get the data for that screen. It seems like the hard drive may be going to sleep and then when the database is accessed, the hard drive has to wake back up. Is it possible to load the entire database into memory and work from that? Are there any other suggestions on how to increase performance?

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  • Is it possible to create a Service that listens for hardware key presses?

    - by VoteBrian
    I'd like to run an Android background service that will act as a keylistener from the home screen or when the phone is asleep. Is this possible? From semi-related examples online, I put together the following service, but get the error, "onKeyDown is undefined for the type Service" public class ServiceName extends Service { @Override public void onCreate() { //Stuff } public IBinder onBind(Intent intent) { //Stuff return null; } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if(event.getAction() == KeyEvent.ACTION_DOWN) { switch(keyCode) { case KeyEvent.KEYCODE_A: //Stuff return true; case KeyEvent.KEYCODE_B: //Stuff return true; //etc. } } return super.onKeyDown(keyCode, event); } } I realize Android defaults to the search bar when you type from the home screen, but this really is just for a very particular use. I don't really expect to distribute this. Also, it'd be nice to use the camera button to wake the phone.

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  • Does jQuery.on() work for elements that are added after the event handler is created?

    - by orokusaki
    I was under the impression all this time that .on() worked like .live() with regards to dynamically created elements (e.g. I use $('.foo').on('click', function(){alert('click')}); and then an element with the class foo is created due to some AJAX, now I'm expecting a click on that element to cause an alert). In practice, these weren't the results I got. I could be making a mistake, but could somebody help me understand the new way to achieve these results, in the wake of .on()? Thanks in advance.

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  • Persistent UDP sessions on Android

    - by Wedgeski
    I have a client-server app which requires me to maintain a persistent session over UDP. The goal is to maintain a path from the server to the mobile Android device no matter what route it has to the internet (WiFi or mobile network). This is achieved using a proprietary, well-tested session-management protocol over UDP. I need the phone to be able to maintain, say, a five-minute keep-alive with the server at all times. Ideally I would like to do this without maintaining any wake-locks on the device. I don't want the screen to light up every time I send a UDP to the server, for example, and I don't want to have a damaging effect on battery usage. Has anyone addressed this problem?

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  • Do something when phone reaches a set of location?

    - by Pentium10
    I have a list of coordinates in the database identified as POI. For a city could be 100 records. I would like to get notified when the phone gets in 150 meters range of one of the location. The location coordinates too has an error/radius, usually 10 to 100meters. Since I don't find it good to add each location(could be hundreds) for a trigger, how can I optimize the wake-up code? Also do I have options to remove a previously setup notification from the queue?

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  • Does Scrum turn active developers into passive developers?

    - by Saeed Neamati
    I'm a web developer working in a team of three developers and one designer. It's now about five months that we've implemented the agile scrum software development methodology. But I have a weird feeling I just wanted to share in this site. One important factor in human life is decision-making process. However, there is a big difference in decisions you make. Some decisions are just the outcome of an internal or external force, while other decisions are completely based on your free will, and some decisions are simply something in between. The more freedom you have in making decisions, the more self-driven your work would become. This seems to be a rule. Because we tend to shape our lives ourselves. There is a big difference between you deciding what to do, or being told what to do. Before scrum, I felt like having more freedom in making the decisions which were related to development, analysis, prioritizing implementation, etc. I had more feeling like I'm deciding what I'm doing. However, due to the scrum methodology, now many decisions simply come from the product owner. He prioritizes PBIs, he analyzes how the software should work, even sometimes how the UI and functionality should be implemented. I know that this is part of the scrum methodology, and I also know that this may result in better sales of product in future. However, I now feel like I'm always getting told to do something, instead of deciding to do something. This syndrome now has made me more passive towards the work. I tend to search less to find a better solution, approach, or technique I don't wake up in the morning expecting to get to an enjoyable work. Rather, I feel like being forced to work in order to live I have more hunger to work on my own hobby projects after work I won't push the team anymore to get to the higher technological levels I spend more time now on dinner, or tea-times and have less enthusiasm to get back to work I'm now willing more for the work to finish sooner, so that I can get home The big problem is, I see and diagnose this behavior in my colleagues too. Is it the outcome of scrum? Does scrum really makes the development team feel like they have no part in forming the overall software, thus making the passive to the project? How can I overcome this feeling?

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  • Miracle Growth Of Organs From Our Own Cells

    - by Rekha
    At the current situation, there is a shortage of healthy organs. The donor and patient also have to be closely matched and there are chances for the patient’s immune system may reject the transplant. Right now, researchers are seriously involved in a new kind of solution: "bioartifical" organs are being grown from the patient’s own cells. There are a few people who have already received lab-grown bladders. Bladder technique was developed by Anthony Atala of the Wake Forest Institute for Regenerative Medicine in Winston-Salem, North Carolina. The healthy cells from the patient’s diseased bladder is taken and cause them to multiply profusely in petri dishes. The muscle cells go on the outside, urothelial cells on the inside by layering the cells one layer at a time. The bladder-to-be is then incubated at body temperature until the cells form functioning tissue. This process could take six to eight months. Organs with lots of blood vessels, such as kidneys or livers, are harder to grow than hollow ones like bladders. Atala’s group works on 22 organs and tissues including ears, recently made a functioning piece of human liver. Others in the list includes:  Columbia University – Jawbone, Yale University – Lung, University of Minnesota – Rat heart, University of Michigan – Artificial Kidney There are possibilities that growing a copy of patient’s organ is not always possible – for instance, when the original is completely damaged by cancer. By using stem cell bank collected without harming human embryos from amniotic fluid in the womb, those cells are coaxed into becoming heart, liver and other organ cells. A bank of 1,00,000 stem cell samples would have enough genetic variety to match nearly any patient. Surgeons can order organs grown as needed instead of waiting for the perfect donor. "There are few things as devastating for a surgeon as knowing you have to replace the tissue and you’re doing something that’s not ideal," says Atala, a urologic surgeon himself. "Wouldn’t it be great if they had their own organ?" Great for the patient especially, he means. Via National Geographic  and cc image credit This article titled,Miracle Growth Of Organs From Our Own Cells, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Graphics card fan is loud (additional graphics card drivers cause problems)

    - by tk4muffin
    Okay this explanation is a bit longer ... but I start at the beginning: I've been using Windows 7 for a very long time, shortly after the release of v12.10 I installed Ubuntu via Windows installer. Everything worked fine but the fan of the graphics card. After a bit of research I found out, that I just had to select a different driver (nvidia-current (proprietary, tested) worked pretty well). This also fixed some graphical bugs when I just logged into my account. Due to my university I got a MSDNAA-Account (allows me to download every Windows OS for free). I downloaded and installed Windows 8. After configuration I installed ubuntu via the Windows installer once again and the first couple launches of ubuntu went well. Suddenly ubuntu didn't launched anymore...caused by some hard-disk errors and had no clue what to do. So I kept working on Windows 8 - unfortunately. After playing around with the new Windows, I put my PC to sleep-mode. I couldn't wake my PC up and it wasn't responding to anything (neither mouse-movement, -clicks or keyboard strokes, nor the power-button and the reset-button worked), so I pulled the plug. Turns out, this was a huge mistake. Somehow the BIOS broke and after restarting a couple of times, the BIOS repaired itself. Neither Windows 8, nor ubuntu where bootable. Now I had to install ubuntu several times, because after rebooting unity was hidden and I didn't know what the problem was and how to fix it. I finally realized that this problem was caused by the graphics card driver, which I've changed to the nvidia-current (This dirver worked fine before my PC "crashed"). So I installed Windows 8 again and after a bit of usage I installed ubuntu once again (via DVD). The booting of ubuntu and windows works fine - so far. But I'm still not able to change the graphics card driver without unity hiding away after restarting the OS. The noisy fan is really disturbing my work... PC Specs: Processor: Intel Core 2 Duo COU E8400 @ 3GHz x2 Memory: 7.8 GB OS type: 64-bit Graphics Card: GeForce 9600 GT Motherboard: Asus P5Q I hope the information given are enough.

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  • iPad: How To Soft Reset, Restore Factory Settings And Erase All Content

    - by Gopinath
    iPad is an amazing gadget from Apple and everyone of us loves to own it. If you are a lucky one to own an iPad here are some basic troubleshooting features that you should be aware. There is no doubt that iPad is an amazing gadget, but similar to other electronic gadgets it refuses to work now and then. When your iPad hangs or refuses to respond you can soft reset it by holding the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears. This just reset your iPad and it’s similar to force rebooting your PC. All your settings and data are untouched during this process. The embedded video below shows how to turn off and soft reset an iPad. If iPad Doesn’t Work After Soft Reset – Restore Factory Settings Soft reset should resolve most of the iPad issues like hanging, not responding properly, etc. In case even if your iPad does not work properly after soft reset you can try reset all the setting to factory defaults by navigating through the Home screen > Settings > General > Reset > Reset All Settings.  This will reset all your settings and other iPad customizations to factory defaults but your data(images, documents, apps, etc.) are left untouched. How To Erase All Content Of iPad You may ask why should I erase all the content of iPad? Well may be you are willing to sell it off on eBay by erasing all the content or you want start afresh or some other reason. It is easy to reset all the settings of iPad as well as wipe out all content by navigating through Home screen > General > Reset >  “Erase All Content and Settings.” CC Image credit flickr/korosirego This article titled,iPad: How To Soft Reset, Restore Factory Settings And Erase All Content, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Where are my sub templates?

    - by Tim Dexter
    This one is for standalone/BIEE uses of Publisher. All the ERP/CRM/HCM folks are already catered for and can tuck into a nut cutlet and arugala salad. Sorry, I have just watched Food Inc and even if only half of it is true; Im still on a crusade in my house against mass produced food. Wake up World! If you have ventured into the world of sub templating, you'll be reaping some development benefit. In terms of shared report components and calculations they are very useful. Just exporting all of your report headers and footers to a single sub template can potentially save you hours and hours of work and make you look like a star. If someone in management gets it into their head that they would like Comic San Serif font rather than Arial in their report headers, its a 10 min job rather than 100 hours! What about the rest of the report content? I hear you cry. Its coming in 11g, full master template support. Your management wants bright blue borders with yellow backgrounds for all the tables in your reports, 5 minute job! Getting back to sub templates and my comment about all the ERP/CRM/HCM folks be catered for. In the standalone release there is no out of the box directory for you to drop your sub templates. Dropping them into the main report directory would make sense but they are not accessible there via a URL. An oversight on our part and something that will be addressed in 11g. Sub templates are now a first class citizen in the world of BIP, you can upload them and BIP will know what to do with them. But what do you do right now? The easiest place to put them where BIP can 'see' them is to create a directory under the xmlpserver install directory in the J2EE container e.g. $J2EE_HOME/xmlpserver/xmlpserver/subtemplates You can call it whatever you want but when the server is started up, that directory is accessible via a URL i.e. http://tdexter:9704/xmlpserver/subtemplates/mysub.rtf. You can therefore put it into the top of your main templates and call the sub template. <?import: http://tdexter:9704/xmlpserver/subtemplates/mysub.rtf?> Of course, you can drop them anywhere you want, they just need to be in a web server mountable directory. Enjoy the arugala!

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  • Why does Chrome video performance substantially degrade after waking from suspend in 10.10?

    - by Grant Heaslip
    Note: For some more details, some of which may not be true given what I've figured out, see this post. When I first boot my computer, video performance (both native H.264 HTML5 in YouTube and Vimeo, and in Flash) in Chrome is perfectly reasonable. CPU usage stays slow, everything works correctly, and the video is silky-smooth. But for whatever reason, if I suspend my computer then wake it up, video performance plummets. Full screen HTML5 video is choppy at best, and full-screen Flash video basically brings my computer to its knees (I'm talking less than a frame a second, and a 5 second lead time to leave full-screen after hitting Esc). Restarting Chrome doesn't fix this — I need to completely restart my machine before performance goes back to normal. Video performance in other applications, such as Movie Player, doesn't seem to be affected at all by the suspend cycle — it's only Chrome. I'm using a Lenovo X201, with an Intel GMA HD graphics chipset, and Intel compnents all around (I don't need any proprietary drivers). This didn't happen in 10.04, and I haven't anything that I think would have caused this to happen. It's possible that a Chrome release could have caused this, but it seems less likely than a regression between 10.04 and 10.10. Any ideas? EDIT: In response Georg's comment, logging in and out doesn't fix it. Restarting Compiz or switching to Metacity (at least by using "compiz/metacity --replace & disown" — am I doing it right?) doesn't help (actually, it seemed to help somewhat with Flash once, but I haven't been able to reproduce this). I'm not sure about GDM — when I use "sudo restart gdm" I get kicked back to the Linux shell (?), which I have no idea how to get out of. Also, I want to make very clear that this isn't just a case of Flash sucking (it does,but that's beside the point). I"m seeing the same general problem with HTML5 videos, and Flash is performing better on my Nexus One than it does on my Core i5 laptop. There's something screwy going on with Chrome and/or 10.10.

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  • how to start LXDE session automatically after tightvncserver starts to make me able see desktop when connecting to the host via vncclient?

    - by Oleksandr Dudchenko
    I have system which is equipped with Intel Celeron processor 1.1 GHz s370 with 384 Mb of RAM on Intel d815egew motherboard which supports wake-on-lan function. I want to use such a PC for Internet sharing to the local network. Also this PC is a DHCP+DNS server as well as router/gateway. Based on above I decided to install Lubuntu as it is lightweight system. I installed Lubuntu 10.04.4 LTS from alternate ISO. System has no auto login. System boots and has acceptable performance. Host PC has onboard 4 network adapters: eth0 – ethernet controller which is used for Local Network connections. Has static address 10.0.0.1 eth1 – ethernet controller which is not used and not configured so far, I plan to connect printer here later on. eth2 - ethernet controller which is used to connect to Internet, which we plan to share for the local network wlan0 – wireless controller, it is used in role of access poit for local Network and has address 10.0.0.2 We want to control our gateway remotely. So, we need to be able to power it on remotely. To allow this I’ve done the following things: $ cd /etc/init.d/ made a new file with command $ sudo vim wakeonlanconfig Wrote the following lines to the newly created file, saved and closed it #!/bin/bash ethtool -s eth0 wol g ethtool -s eth2 wol g exit Made the abovementioned file executable $ sudo chmod a+x wakeonlanconfig Then included it into autostart sequence during boot. $ sudo update-rc.d -f wakeonlanconfig defaults after system reboot we will be able to poweron system remotely. Than we need to have a possibility to connect remotely to the host via SSH and VNC. So, I installed following packets with the following commands: $ sudo apt-get update $ sudo apt-get install openssh-server tightvncserver Add ssh daemon into autostart sequence during boot. $ sudo update-rc.d -f ssh defaults Power off the host PC $ sudo halt Then I went to remote place, send magic paket and powered the Host up. System started... And I connected to the host via Putty from remote system under Windows. Than logged in and run the command to start vnc server. $ tightvncserver -geometry 800x600 -depth 16 :2 VNC server successfully started and I got message like follows. New 'X' desktop is gateway:2 Starting applications specified in /home/dolv/.vnc/xstartup Log file is /home/dolv/.vnc/gateway:2.log Using UltraVNC Viewer programm under windows I connected to the host's vnc server, enterd the password and.... sow only mouse cursor in form of cross on a grey background of 800x600 dots, no desktop. Here is my .vnc/xstartup file #!/bin/sh xrdb $HOME/.Xresources xsetroot -solid grey #x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" & #x-window-manager & # Fix to make GNOME work export XKL_XMODMAP_DISABLE=1 /etc/X11/Xsession The Question: What I have to change and where to make LXDE session start automatically after tightvncserver starts?

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  • Audio Stutters at gdm

    - by Allan
    Ok I have a problem every 2 times out of 3 I login (I cant be specific it fairly random) I get a Stuttering GDM warning (not the login sound just the Bell sound to wake you up) the only way to stop it is to login I have a Fujitsu Siemens Amilo 1718 with a 2gig of memory (only hardware mod) using 10.10 Maverick and I have disabled KMS as my system was freezing as per the release notes. The only time this has happened before on the same machine was when I gave Kubuntu a try when 10.04 came out then it happened at the login screen and at random times while listening to music in any program. By the way audio is fine as is almost everything else once I have logged in. I would like an answer to this as I am an advocate of Ubuntu and its kind of embarrassing when the first thing that happens is *bing*. as requested Daniel alsa-info Pulse verbose log Not sure how useful the pulse log will be as I cant replicate the bug with a terminal open but I wouldnt be asking the question if I knew the answer so..... Edit 24/12/2010 ......been living on cocktail sausages and pickled onions for five days now made a make shift splint with cocktail sticks..... oops so updated the alsa drivers but I still get the same message in the dmesg No response from codec, disabling MSI: last cmd=0x10a90000 googleing it brings up a forum post from some other distro with a green logo the only common denominator seems to be graphics ie ATI Radeon XPRESS 200M which is why I have had to turn of kms as the chip is so old that small mice try to eat the "kernel" ;) funnily enough following the bug link at the end of the post, I found a comment about "Ubuntu Black Magic" so mabey I am coming at this from the wrong angle...... Bad Joo Joo any one. I will try the second part of Daniels Fix and Update with the result. The final Edit: (Plays air guitar) In the end neither of these solved the problem as such However I have given Roland a tick for reminding me of the solution and I gave Daniel the Bounty for the effort in trying to solve the problem. The answer for future readers was the enable the correct HD Audio Model I found the answer back when using Karmic Koala 9.10 in this forum post Amilo Li1718 Skype - Can't get it working... the model is options snd-hda-intel model=3stack position_fix=1 enable=yes which can be added to the end of alsa-base.conf thanks all for helping and hope anyone with a similar problem will find the answer here.

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  • SCVMM – Round 2 – How to create a Private Cloud using PowerShell

    - by Waclaw Chrabaszcz
    Originally posted on: http://geekswithblogs.net/Wchrabaszcz/archive/2013/06/28/scvmm--round-2--how-to-create-a-private.aspxHave you ever seen "A Bridge too far" movie? To not to wake up a click too far, it is good to script some tasks. Yes of course we can follow wizards, but some of us want to be warriorsJ. A small tip, take a look on credentials and system GUID examples. I don't know how about you, but for me it will be really useful in the future.    # credents$credential = Get-CredentialNew-SCRunAsAccount -Name "TESTDOMAIN\Administrator" -Credential $credential #storage $opsMgrServerCredential = Get-SCRunAsAccount -Name "TESTDOMAIN\Administrator"New-SCStorageClassification -Name "Bronze" -Description "" –RunAsynchronouslyNew-SCStorageClassification -Name "Silver" -Description "" –RunAsynchronouslyNew-SCStorageClassification -Name "Gold" -Description "" –RunAsynchronously # add a shared storageFind-SCComputer -ComputerName "dc.TESTDOMAIN.net"Add-SCStorageProvider -AddWindowsNativeWmiProvider -Name "dc.TESTDOMAIN.net" -RunAsAccount $opsMgrServerCredential -ComputerName "dc.TESTDOMAIN.net"$fileServer = Get-SCStorageFileServer "dc.TESTDOMAIN.net"$fileShares = @()$fileShares += Get-SCStorageFileShare -Name "VMMLibrary"Set-SCStorageFileServer -StorageFileServer $fileServer -AddStorageFileShareToManagement $fileShares –RunAsynchronously #fabric network$logicalNetwork = New-SCLogicalNetwork -Name "TESTDOMAIN-Service-Network" -LogicalNetworkDefinitionIsolation $false -EnableNetworkVirtualization $true -UseGRE $true -IsPVLAN $false$allHostGroups = @()$allHostGroups += Get-SCVMHostGroup -Name "All Hosts"$allSubnetVlan = @()$allSubnetVlan += New-SCSubnetVLan -Subnet "10.0.0.0/24" -VLanID 0New-SCLogicalNetworkDefinition -Name "TESTDOMAIN-Service-Network_0" -LogicalNetwork $logicalNetwork -VMHostGroup $allHostGroups -SubnetVLan $allSubnetVlan #IP pool$logicalNetwork = Get-SCLogicalNetwork -Name "TESTDOMAIN-Service-Network"$logicalNetworkDefinition = Get-SCLogicalNetworkDefinition -LogicalNetwork $logicalNetwork -Name "TESTDOMAIN-Service-Network_0" # Gateways$allGateways = @()$allGateways += New-SCDefaultGateway -IPAddress "10.0.0.1" –Automatic# DNS servers $allDnsServer = @("10.0.0.1")# DNS suffixes$allDnsSuffixes = @("TESTDOMAIN.net")# WINS servers$allWinsServers = @()New-SCStaticIPAddressPool -Name "TESTDOMAIN-Service-Network" -LogicalNetworkDefinition $logicalNetworkDefinition -Subnet "10.0.0.0/24" -IPAddressRangeStart "10.0.0.51" -IPAddressRangeEnd "10.0.0.75" -DefaultGateway $allGateways -DNSServer $allDnsServer -DNSSuffix "" -DNSSearchSuffix $allDnsSuffixes –RunAsynchronously #Hyper-V Virtual Networks$logicalNetwork = Get-SCLogicalNetwork -Name "TESTDOMAIN-Service-Network" $vmNetwork = New-SCVMNetwork -Name "TESTDOMAIN-VMN" -LogicalNetwork $logicalNetwork -IsolationType "WindowsNetworkVirtualization" -CAIPAddressPoolType "IPV4" -PAIPAddressPoolType "IPV4"Write-Output $vmNetwork$subnet = New-SCSubnetVLan -Subnet "10.0.0.0/24"New-SCVMSubnet -Name "Con-SN" -VMNetwork $vmNetwork -SubnetVLan $subnet # bind VLAN with the Network Adapter$vmHost = Get-SCVMHost -ComputerName "VMM01.TESTDOMAIN.net"$vmHostNetworkAdapter = Get-SCVMHostNetworkAdapter -VMHost $vmHost #-Name "Intel 21140-Based PCI Fast Ethernet Adapter (Emulated)"Set-SCVMHostNetworkAdapter -VMHostNetworkAdapter $vmHostNetworkAdapter -Description "" -AvailableForPlacement $true -UsedForManagement $true $logicalNetwork = Get-SCLogicalNetwork -Name "TESTDOMAIN-Service-Network" Set-SCVMHostNetworkAdapter -VMHostNetworkAdapter $vmHostNetworkAdapter -AddOrSetLogicalNetwork $logicalNetworkSet-SCVMHost -VMHost $vmHost -RunAsynchronously -NumaSpanningEnabled $true #Create a Private Cloud$Guid = [System.Guid]::NewGuid()Set-SCCloudCapacity -JobGroup $Guid -UseCustomQuotaCountMaximum $false -UseMemoryMBMaximum $false -UseCPUCountMaximum $false -UseStorageGBMaximum $false -UseVMCountMaximum $false -CustomQuotaCount 10 -MemoryMB 10240 -CPUCount 10 -StorageGB 386 -VMCount 10$resources = @()$resources += Get-SCLogicalNetwork -Name "TESTDOMAIN-Service-Network"$resources += Get-SCLoadBalancer -Manufacturer "Microsoft"$readonlyLibraryShares = @()$readonlyLibraryShares += Get-SCLibraryShare | where { $_.LibraryServer.Name -eq "dc.TESTDOMAIN.net" -and $_.Name -eq "VMMLibrary" }$addCapabilityProfiles = @()$addCapabilityProfiles += Get-SCCapabilityProfile -Name "Hyper-V"$Guid2 = [System.Guid]::NewGuid()Set-SCCloud -JobGroup $Guid2 -RunAsynchronously -AddCloudResource $resources -AddReadOnlyLibraryShare $readonlyLibraryShares -AddCapabilityProfile $addCapabilityProfiles$hostGroups = @()$hostGroups += Get-SCVMHostGroup -Name "TESTDOMAIN"New-SCCloud -VMHostGroup $hostGroups -Name "TESTDOMAIN-Cloud" -Description "" –RunAsynchronously

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  • How to force a clock update using ntp?

    - by ysap
    I am running Ubuntu on an ARM based embedded system that lacks a battery backed RTC. The wake-up time is somewhere during 1970. Thus, I use the NTP service to update the time to the current time. I added the following line to /etc/rc.local file: sudo ntpdate -s time.nist.gov However, after startup, it still takes a couple of minutes until the time is updated, during which period I cannot work effectively with tar and make. How can I force a clock update at any given time? UPDATE 1: The following (thanks to Eric and Stephan) works fine from command line, but fails to update the clock when put in /etc/rc.local: $ date ; sudo service ntp stop ; sudo ntpdate -s time.nist.gov ; sudo service ntp start ; date Thu Jan 1 00:00:58 UTC 1970 * Stopping NTP server ntpd [ OK ] * Starting NTP server [ OK ] Thu Feb 14 18:52:21 UTC 2013 What am I doing wrong? UPDATE 2: I tried following the few suggestions that came in response to the 1st update, but nothing seems to actually do the job as required. Here's what I tried: Replace the server to us.pool.ntp.org Use explicit paths to the programs Remove the ntp service altogether and leave just sudo ntpdate ... in rc.local Remove the sudo from the above command in rc.local Using the above, the machine still starts at 1970. However, when doing this from command line once logged in (via ssh), the clock gets updated as soon as I invoke ntpdate. Last thing I did was to remove that from rc.local and place a call to ntpdate in my .bashrc file. This does update the clock as expected, and I get the true current time once the command prompt is available. However, this means that if the machine is turned on and no user is logged in, then the time never gets updates. I can, of course, reinstall the ntp service so at least the clock is updated within a few minutes from startup, but then we're back at square 1. So, is there a reason why placing the ntpdate command in rc.local does not perform the required task, while doing so in .bashrc works fine?

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  • How do you handle objects that need custom behavior, and need to exist as an entity in the database?

    - by Scott Whitlock
    For a simple example, assume your application sends out notifications to users when various events happen. So in the database I might have the following tables: TABLE Event EventId uniqueidentifier EventName varchar TABLE User UserId uniqueidentifier Name varchar TABLE EventSubscription EventUserId EventId UserId The events themselves are generated by the program. So there are hard-coded points in the application where an event instance is generated, and it needs to notify all the subscribed users. So, the application itself doesn't edit the Event table, except during initial installation, and during an update where a new Event might be created. At some point, when an event is generated, the application needs to lookup the Event and get a list of Users. What's the best way to link the event in the source code to the event in the database? Option 1: Store the EventName in the program as a fixed constant, and look it up by name. Option 2: Store the EventId in the program as a static Guid, and look it up by ID. Extra Credit In other similar circumstances I may want to include custom behavior with the event type. That is, I'll want subclasses of my Event entity class with different behaviors, and when I lookup an event, I want it to return an instance of my subclass. For instance: class Event { public Guid Id { get; } public Guid EventName { get; } public ReadOnlyCollection<EventSubscription> EventSubscriptions { get; } public void NotifySubscribers() { foreach(var eventSubscription in EventSubscriptions) { eventSubscription.Notify(); } this.OnSubscribersNotified(); } public virtual void OnSubscribersNotified() {} } class WakingEvent : Event { private readonly IWaker waker; public WakingEvent(IWaker waker) { if(waker == null) throw new ArgumentNullException("waker"); this.waker = waker; } public override void OnSubscribersNotified() { this.waker.Wake(); base.OnSubscribersNotified(); } } So, that means I need to map WakingEvent to whatever key I'm using to look it up in the database. Let's say that's the EventId. Where do I store this relationship? Does it go in the event repository class? Should the WakingEvent know declare its own ID in a static member or method? ...and then, is this all backwards? If all events have a subclass, then instead of retrieving events by ID, should I be asking my repository for the WakingEvent like this: public T GetEvent<T>() where T : Event { ... // what goes here? ... } I can't be the first one to tackle this. What's the best practice?

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