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• Has anyone used Sproutcore?

  - by Sam Lee

  Has anyone used Sproutcore for a web application? If so, can you give me a description of your experience? I am currently considering it, but I have a few concerns. First, the documentation is bad/incomplete, and I'm afraid that I'll spend lots of time figuring things out or digging through source code. Also, I'm a bit hesitant to use a project that is relatively new and could undergo significant changes. Any thoughts from people who have developed in Sproutcore are appreciated! EDIT/PS: Yes, I've seen this post: http://stackoverflow.com/questions/370598/sproutcore-and-cappuccino . However I'm interested in a bit lengthier description of Sproutcore itself from someone who's used it for a significant project.

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• Problems about responsiveness and keyboard/mousepad not working

  - by ChrisTheNoob

  So I installed Ubuntu 12.04, I'm very new at this and want to get into the world of Linux but have run into nothing but problems. I have an Acer Aspire 5553g. First off, my keyboard won't work. Second, my computer has more than enough of everything to run Ubuntu smoothly, but everything runs extremely slow. (You move the mouse and it gets there a few seconds later) It's to the point where I can't even use it and I really want to. I'm tired of Microsoft stuff and I've been looking at learning how to use Linux based operating systems for a while. Please send me some help to fix these issues and maybe some tips to help get me started. Thanks in advance chris

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• Set up Trendnet TEW-638APB Access point on Ubuntu 14.04

  - by Mr. Smileys

  I have a computer running Ubuntu 14.04, it has 2 Ethernet ports. I would like to set up this computer so that the internet comes in on one of the ports and is then shared through the other port with the Trendnet wireless access point that my other devices would connect to and use the internet. I have looked online for information on setting this up but have not been able to find anything. If someone could point me to a guide that would help me or just tell me how to do this in an answer I would really appreciate it. please help me to solve this problem

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• Where do I look to investigate how guided partitioning in the Ubuntu Server 12.04 installer works?

  - by Kent

  I would like to know how the installer, and in particular the guided partitioning for Ubuntu Server 12.04 works under the hood. I'm not interested in documentation, I want to check out the real scripts and the logic in them. How do you recommend I dig into this? Where on the ISO are these parts located? I don't know what the installer for Ubuntu is called, or how it is configured. I am well versed in programming languages and command line GNU/Linux.

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• Not Quite Multiseat

  - by user2773520

  I am attempting to create a pair programming environment sort of set up like multiseat: https://help.ubuntu.com/community/MultiseatX[1] or https://help.ubuntu.com/community/MultiseatOneCard[2] (as the standard issue boxes only have one graphics card) The thing is, I only want one login session, just with 2 monitors, keyboards, and mice. As well as having 2 active applications (so 2 people can be typing independantly). They should ideally be able to mouse over and click & type in the other persons monitor, as well as move windows between the montors. Does anybody know of anything like this that will work? We are running Ubuntu 12.04.

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• Super Key doesn't work on Kubuntu 12.04

  - by zigma80

  I have Kubuntu 12.04 installed on HP 430 Notebook PC. My problem is that when I press Super Key, nothing happened. Some of my Fn keys did not work either. I have changed the Keyboard Model in System SettingsHardwareInput DevicesKeyboard to Hewlett Packard Internet keyboard but doesn't seems to help. I have also Compiz-Config-Setting-Manager installed but I don't know how to make the right keyboard setting. I would like to have the Super Key launch Start Menu Launcher as in MS-Windows, is it possible ... Thanks for the help

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• Latest Business Analytics Support News has been released

  - by paul.a

  The latest edition of Business Analytics Support News is now available. You can read our quarterly newsletter Volume 5 Doc ID 1347131.1Featured topics include details on Smartview 64-Bit Support Patch Set Update information for various products Social Media for EPM Documentation plus more Did you miss any of the newsletters and want to find archived copies?  Volumes one to four are all listed on the News Index Doc ID 1347159.1 To ensure you don't miss out on future releases and recent changes you can subscribe to the Product News.More details about the subscription are outlined in the volume 5 "Subscribe to Product Support News" section.

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• Cannot connect to Internet on 11.04 using BSNL EVDO Prithvi Card

  - by Joy

  I cannot connect to Internet using BSNL EVDO Prithvi data card. Went through some websites that offered help, installed wvdial package and tried again, but was unsuccessful. I have Read that, Ubuntu 11.04 automatically detects Data Card, You only need to configure "Network Manager" and it will work, I did exactly that, but the result is same. The OS detects the data card, and the presence of network , but it cannot login. I have read in some forums that Ubuntu 11.04 does not have support for BSNL EVDO Prithvi, is it true? I re-checked the "User ID" and "Password". Its working on Windows. Please help me fix this.

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• Making it myself vs. modifying someone else's code as a beginner

  - by JamesGold

  I just started getting into open source projects mainly for the learning experience. I've made a few tiny contributions to some small projects. Most of my time has been spent just reading over other people's code and trying to understand how it works. Often times I find myself frustrated by a lack of documentation and unit tests. There are also times where I think I can see a more intuitive solution to a problem, but implementing it would require large restructuring of code. I see all this and wonder to myself why I don't just start clean on the whole thing by myself and do things "the right way"? I'd also enjoy the experience of building it from scratch, as it would force me to learn skills that I might not learn by working on other people's code. On the other hand, working on other people's code is also a great experience because it requires me to understand and work with other people's code and collaborate with them. It's just harder, IMO. Thoughts?

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• Question about server usage, big community platform

  - by Json

  I’m working on a community platform writen in PHP, MySQL. I have some questions about the server usage maybe someone can help me out. The community is based on JQuery with many ajax requests to update content. It makes 5 - 10 AJAX(Json, GET, POST) requests every 5 seconds, the requests fetch user data like user notifications and messages by doing mySQL queries. I wonder how a server will handle this when there are for more than 5000 users online. Then it will be 50.000 requests every 5 seconds, what kind of server you need to handle this? Or maybe even more, when there are 15.000 users online, 150.000 requests every 5 seconds. My webserver have the following specs. Xeon Quad 2048MB 5000GB traffic Will it be good enough, and for how many users? Anyone can help me out or know where to find such information, like make a calculation?

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• Broken Links in different browsers

  - by kdorival

  Hi I'm having problems with our website, http://www.accessiblehomehealthcare.com, which is a wordpress 2.7 (version). All of a sudden our RSS links broke on the right side, which has happened before and I fixed it within 5 mins. Now, when I fix it, it doesn't look right in different version of I.E. or Firefox, I have I.E. 8 and Firefox 3.6.15 and it looks good for the most part, but there are a few parts where the links are broken. One browser the links would look ok but go to another page and the links or logos would be broken. Certain parts of the website should be static(identical) to the other pages of the site, but if a link is broken on one page, its perfect on another page. I was wondering was there a secret code for wordpress to keep the sites compatible with all browser versions or is there a bigger issue???? Any help or suggestions will help???

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• Web Page Execution Internals

  - by octopusgrabbus

  My question is what is the subject area that covers web page execution/loading. I am looking to purchase a book by subject area that covers when things execute or load in a web page, whether it's straight html, html and Javascript, or a PHP page. Is that topic covered by a detailed html book, or should I expect to find information like that in a JavaScript of PHP book? I understand that PHP and Perl execute on the server and that Javascript is client side, and I know there is a lot of on-line documentation describing <html>, <head>, <body>, and so on. I'm just wondering what subject area a book would be in to cover all that, not a discussion of the best book or someone's favorite book, but the subject area.

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• What is the current legal status of magnet links?

  - by Moonwalker

  Prelude: I develop a cloud service which could be described as dropbox meets torrents and as side effect it enables distribution of arbitrary content via magnet links. Certain amount of magnet links will be displayed on the main website (I will be able to remove them one-by-one or ban users but no more). I will not be able to avoid magnets without complete rework of overall project architecture and either way it will hurt overall performance badly, probably making service meaningless. So my question is, what should I do, to avoid legal problems if my site in a nutshell is just a collection of magnet links? Privacy achieved via end-user encryption, so there is almost no access restrictions on the website. And anyway will help me any? Will hosting in particular country help me?

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• Oracle Enterprise Taxation and Policy Management Self Service v1.0 is Now Available

  - by user722699

  New tax product - Oracle Enterprise Taxation Policy Management Self Service is now available. The solution provides tax and revenue authorities with a single citizen portal – powered by Oracle Policy Automation for Public Sector, Oracle WebCenter, Oracle Application Development Framework and Oracle SOA Suite – that can integrate across multiple tax types and tax processing systems. Oracle Enterprise Taxation and Policy Management Self Service enables tax and revenue authorities to quickly provide more taxpayer services online – such as the ability to make payments, contact the tax agency with questions and requests or receive self-guided automated assistance with policies and tax law.  Tax and revenue authorities can implement Oracle Enterprise Taxation and Policy Management Self Service – an out-of-the-box solution – quickly and easily, and lower the cost of taxpayer service operations by promoting a broader set of taxpayer self service features.  Resources: ·         Datasheet: http://www.oracle.com/us/industries/public-sector/ent-taxation-policy-service-ds-1873518.pdf ·         Documentation: http://docs.oracle.com/cd/E38189_01/index.htm ·    

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• Problem with setting up a bootable USB on corrupted OSX

  - by Nick

  I cant access the desktop because my harddrive is corrupted. Therefore I want to make a bootable USB stick so i can transfer all of my important files to my External HD. Problem is that Im stuck on Step 3 --- http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx . Im not sure of what i should change this to: hdiutil convert -format UDRW -o ~/path/to/target.img ~/path/to/ubuntu.iso It says convert failed - No such file or directory. Obviously the problem is that i dont know the path to the USB, maybe you know how to find out? Please help me. Thanks. ps. Ive downloaded the ubuntu desktop amd64+mac. pps. Unetbootin is a different alternative, but i dont know if it works?

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• 12.04 indicates filesystem check on next boot, but never does one

  - by pcm

  Just installed 12.04 32 bit on my machine, with 3 drives. When I open a terminal window or ssh in remotely, I see: Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-29-generic-pae i686)  * Documentation:  https://help.ubuntu.com/ *** /dev/sda1 will be checked for errors at next reboot *** *** /dev/sda2 will be checked for errors at next reboot *** *** /dev/sdg1 will be checked for errors at next reboot *** Last login: Fri Aug 31 08:15:41 2012 from .... However, if I reboot, I never see it doing a disk check on boot up, like I used to see with 10.10. Note, after install, I was not seeing the grub menu on boot. I made a ISO disk with BootRepair and now I get the normal grub menu. Any idea as to why the disk check is not happening on boot (I know I can boot a Live CD and then check the disk - I just want the check on boot working)?

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• Deferred contexts and inheriting state from the immediate context

  - by dreijer

  I took my first stab at using deferred contexts in DirectX 11 today. Basically, I created my deferred context using CreateDeferredContext() and then drew a simple triangle strip with it. Early on in my test application, I call OMSetRenderTargets() on the immediate context in order to render to the swap chain's back buffer. Now, after having read the documentation on MSDN about deferred contexts, I assumed that calling ExecuteCommandList() on the immediate context would execute all of the deferred commands as "an extension" to the commands that had already been executed on the immediate context, i.e. the triangle strip I rendered in the deferred context would be rendered to the swap chain's back buffer. That didn't seem to be the case, however. Instead, I had to manually pull out the immediate context's render target (using OMGetRenderTargets()) and then set it on the deferred context with OMSetRenderTargets(). Am I doing something wrong or is that the way deferred contexts work?

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• How to implement instant communication between iPad and iPhone through the net?

  - by Alexandergre

  What is the best way to implement this: 1.iphone/webBrowser user selects some products (a,b,c) to buy 2.the chosen products most appear on the iPad located in the Store. using a UITableView perhaps. 3.The store staff then decide if the products are available in 10, 20 or 30 minutes for pick up. 4.When the store staff chose the time(10,20,30 minutes) it must appear/communicate back to the users web browser or iPhone. 5.buyer comes to the store to pick up the products he buyed! Im not really good in this kind of communication stuff! I need help! what is the best way to implement this? are there external api/plugin I could use? I already have an ftp server. I can do all the graphics and User interactions. the only problem for is the communication between the devices? Thanks for help.

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• How should compound words be handled when coding? Is there a definitive list of compound words? [closed]

  - by Ray

  QUESTION: How should you handle compound words when programming? Are there any good lists available online for developers of generally accepted technology-related compound words? I can see how this is highly ambiguous, so should I just use common-sense? EXAMPLE: I would be inclined to do this: filename NOT FileName or login NOT LogIn However, the microsoft documentation indicates that filename is not compound. So I wonder, is there a more definitive source? See also, this english.stackexchange discussion on filename. Under the section "Capitalization Rules for Compound Words and Common Terms" located here: Microsoft .NET Capitalization Conventions only offers a limited introduction into the topic, and leaves it up to the developer to use their intuition with the rest.

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• What's your worst open source experience?

  - by Fanatic23

  I recently tried downloading a pretty popular open source project [its got 10+ tags of different kinds on SO] which in turn depends on another open source project. The 2 projects built fine, but when it came to linking these 2 with my final executable there are like loads of missing symbols. No mention of which version of project 1 is compatible with project 2 etc. What's been your's most difficult open source experience? Mind you, I am all for open source but documentation and examples seem to be a key missing area.

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• 10.04 wont boot after power outage

  - by Pat

  After unexpected power outage 10.04 won't boot, the following message appears mount: mounting /dev/disk/by-uuid/***************************** on /root failed: Invalid argument mount: mounting /sys on /root/sys failed: No such file or directory mount: mounting /dev on /root/dev failed: No such file or directory mount: mounting /sys on /root/sys failed: No such file or directory mount: mounting /proc on /root/proc failed: No such file or directory Target file system doesn't have /sbin/init No init found. Try passing init= bootarg Busybox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu7) built-in shell (ash) Enter 'help' for a list of built-in commands (initramfs) _ I have tried rebooting from a liveCD but it wont boot and I cannot open a terminal to try to fix it by sudo fdisk -l as recommended on other posts. Any help would be greatly appreciated

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• 5 ways to stop code thrashing&hellip;

  - by MarkPearl

  A few days ago I was programming on a personal project and hit a roadblock. I was applying the MVVM pattern and for some reason my view model was not updating the view when the state changed??? I had applied this pattern many times before and had never had this problem. It just didn’t make sense. So what did I do… I did what anyone would have done in my situation and looked to pass the blame to someone or something else. I tried to blame one of the inherited base classes, but it looked fine, then to Visual Studio, but it seemed to be fine and eventually to any random segment of code I came across. My elementary problem had now mushroomed into one that had lost any logical basis and I was in thrashing mode! So what to do when you begin to thrash? 1) Do a general code cleanup – Now there is a difference between cleaning code and changing code . When you thrash you change code and you want to avoid this. What you really want to do is things like rename variables to have better meaning and go over your comments. 2) Do a proof of concept – if cleaning code doesn’t help. The  you want to isolate the problem and identify the key concepts. When you isolate code you ideally want it to be in a totally separate project with as little complexity as possible. Make the building blocks and try and replicate the functionality that you are getting in your current application. 3) Phone a friend – I have found speaking to someone else about the problem generally helps me solve any thrashing issues I am having. Usually they don’t even have to say anything to solve the problem, just you talking them through the problem helps you get clarity of mind. 4) Let the dust settle – Sometimes time is the best solution. I have had a few problems that no matter who I discussed them with and no matter how much code cleaning I had done I just couldn’t seem to fix it. My brain just seemed to be going in circles. A good nights rest has always helped and often just the break away from the problem has helped me find a solution. 5) Stack overflow it – So similar to phone a friend. I am really surprised to see what a melting pot stack overflow has been and what a help it has been in solving technology specific problems. Just be considerate to those using the site and explain clearly exactly what problem you are having and the technologies you are using or else you will probably not get any useful help…

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• AMD Catalyst diskless cluster

  - by Nathan Moos

  I'm using Ubuntu 13.10 to set up a diskless compute cluster. When I use the procedure detailed in https://help.ubuntu.com/community/DisklessUbuntuHowto, I successfully am able to boot all four nodes. However, once I install Catalyst, I immediately have problems: only one diskless node boots properly, with the other two hanging while attempting to start X. My assumption is that my Catalyst build was somehow specific to the node which I booted from first, which somehow prevents the other nodes from loading Catalyst. Can anyone provide hints to help solve this? Thank you in advance!

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• Live-Ubuntu 12.04 ran fine, now stopped booting!

  - by user89743

  I've seen similar problems to this several times in the forum, but mine is a bit different, so the other posts I saw were no help to me. When I boot Ubuntu 12.04 64-bit from live-SD-card (3GB persistence) I suddenly get this error: (initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: Invalid argument Can not mount /dev/loop/0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs (it says I can type "help" for commands, but I don't know anything about how to go from there, totally new to linux) The reason I say my case is different is because my Ubuntu worked fine for over a week, even pretty fast, and now this problem happened. Before that I used to run my live ubuntu from USB sticks but that was slower (especially when booting which took 15 minutes from USB stick!). Also I kept getting the same above problem after a while when booting and had to re-create a live USB linux several times. Installing on harddrive is not an option because my harddrive has physical damage and getting a replacement will take a while, therefore I can only use live-USB or live-SD-card Ubuntu. As I said I used Ubuntu without problems for more than a week, before that as well for several weeks on USB sticks, but the above problem occured sooner or later. This time I paid attention to when it happened: I was rebooting my computer (HP 620 laptop, 4 GB RAM, 64 bit system) from SD flash card and when I was booting I selected F6 and then the first option "no acpi" or something like that...I had used it before and noticed it slowed down the time it took Linux to use. This time it caused this error. Now even when I boot normally/default I get this error. Now I'm accessing Ubuntu from my USB stick without persistence file, when I check my SD card, all the files mentioned in the error message are there and the filesystem.squashfs is 691.2 MB so nothing seems to have been deleted by accident. (I have already made many changes/downloaded programs to my SD card persistent Ubuntu and would hope to loose them, since downloading is expensive for me, and since the problem seems to re-occur...) Can anyone help me, preferably without having to create another startup disk on my SD card? I'm totally new to this. Sorry for the long posts, just didn't know what info is relevant and what isnt! Kon

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• Can I minify Javascript that requires copyright notice?

  - by Nathan Long

  I guess this is actually a legal question, but it relates to software. I'm about to include a JS plugin in a project. The comments include: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Is using this in my web site "redistribution?" If I minify this to conserve bandwidth, I assume it will strip all comments. If the answer to #1 is yes, doesn't that imply I'm legally not allowed to minify it? (That would stink, since I was planning to auto-minify all JS as part of the deploy process.)

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