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• Education path advice

  - by Miroslav Zadravec

  I'm thinking of continuing my education and going for masters degree. I must decide between two programs. One is CS/IT and focuses on algorithms, math, multimedia, web technologies with optional interesting courses like AI and robotics. Second is about business process management, software architecture and project management. I have some experience in business software and I must say, I never though I need deeper understating of algorithms or program language but I always felt that I'm lacking in project planing or management knowledge. On the other side, CS/IT looks more interesting but what are the chances to find a job that require such skills?

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• Errors with linux-image-3.8.0-36-generic and GRUB

  - by user285239

  OS: Ubuntu 12.04 LTS Problem 1: When installing anything (or updating) it always ends with this error: Errors were encountered while processing: linux-image-3.8.0-36-generic linux-image-3.8.0-38-generic linux-image-generic-lts-raring linux-generic-lts-raring Problem 2: When installing or updating stuff it opens some grub files and halts execution until I close these grub files. See screenshot below. Grub files + terminal window (screenshot) Pastebin with terminal output while trying to install something I should mention that I don't known if these two errors are related, but it is a fact that every time I try to install something or run an update both of the above errors pop up. I couldn't find anything of interest in the logs I looked at (probably because I don't know what/where to look), but tell me if you need me to upload something. Edit 02 june. This is the output from lsb_release -a kasper@ubuntuRW:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.4 LTS Release: 12.04 Codename: precise

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• test coverage reality

  - by iPhoneDeveloper

  I am NOT doing test driven development and I write my test classes after the actual code is written. In my current project I have a test coverage of(Line coverage) %70 for 3000 lines of Java code.(Using JUnit, Mockito and Sonar for testing) But while I feel actually I am not covering and catching %70 of the problems that can occur. So my question is in theory is that possible to have a %100 Line coverage but in reality it is meaningless because of low quality of the test code and maybe a %40 well written test code is much better than a bad %100 coverage? or we can always say line coverage more or less gives the percentage of all covered issues?

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• Selecting Dynamic ID JQuery [migrated]

  - by Vedran Wex Maricevic

  I need to select dynamic id using JQuery, and once I select it then I need to do some action on it. This is the HTML that I have: <input id="content_photos_attributes_1355755712119_image" name="content[photos_attributes][1355755712119][image]" size="30" type="file"> Please note the id value, text is always the same however the number changes (I do not have control over that change). What I need to do is to create on click for that element. This is what I got so far, and it is not working. <script type="text/javascript"> jQuery.noConflict(); jQuery("input[id *= 'content_photos_attributes_']").click(function() { alert("Image deletion is clicked"); }); </script> It really makes no difference whether I select that element by ID or by its name.

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• Problems using PHP on a Plesk Windows dedicated server

  - by wpsmdouble

  I'm having a few issues with my dedicated Windows server that has a Plesk panel: 1.) I can't send e-mail via PHP's mail() function, it always returns the following error: SMTP server response: 550 Requested action not taken: mailbox unavailable or not local Which setting should I alter in order to enable sending mail? 2.) The exec() and passthru() PHP functions don't work; their outputs are blank even when I try to run simple commands such as dir. Is there an option that I can toggle in the control panel to enable this functionality?

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• ManagementObjectSearcher error [migrated]

  - by Piotrek

  Some of our customers inform us that in some cases following error appears: System.Management.ManagementException: Blad dostawcy. at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode) at System.Management.ManagementObjectCollection.ManagementObjectEnumerator.MoveNext() The error is generated while trying to loop through a colection returned by Get() method of the System.Mamangment.ManagementObjectSearcher object. This is the code of my method: private bool PrinterExists(string printerName) { bool retVal = false; SelectQuery q = new SelectQuery("select caption from win32_printer"); using (ManagementObjectSearcher searcher = new ManagementObjectSearcher(q)) { foreach (ManagementObject printer in searcher.Get()) { if(printer["Caption"].ToString() == printerName) { retVal = true; break; } } } return retVal; } It seems that the problem appears only on Windows XP. The only workaround I know is reconstruction of WMI database. It sometimes helps, but unfortunatelly not always. Can anyone tell me what is the reason of this error and how can I fix it?

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• when should a database table be broken into multiple tables with relations?

  - by GSto

  I have an application that needs to store client data, and part of that is some data about their employer as well. Assuming that a client can only have one employer, and that the chance of people having identical employer data is slim to none, which schema would make more sense to use? Schema 1 Client Table: ------------------- id int name varchar(255), email varchar(255), address varchar(255), city varchar(255), state char(2), zip varchar(16), employer_name varchar(255), employer_phone varchar(255), employer_address varchar(255), employer_city varchar(255), employer_state char(2), employer_zip varchar(16) **Schema 2** Client Table ------------------ id int name varchar(255), email varchar(255), address varchar(255), city varchar(255), state char(2), zip varchar(16), Employer Table --------------------- id int name varchar(255), phone varchar(255), address varchar(255), city varchar(255), state char(2), zip varchar(16) patient_id int Part of me thinks that since are clearly two different 'objects' in the real world, seperating them out into two different tables makes sense. However, since a client will always have an employer, I'm also not seeing any real benefits to seperating them out, and it would make querying data about clients more complex. Is there any benefit / reason for creating two tables in a situation like this one instead of one?

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• How do I turn off all the password prompts?

  - by Barkerto

  I've been using Ubuntu 12.04 LTS since release and am trying to figure out a couple things about all of these passwords and key-ring prompts that I've just been living with for a while. Ever since install it seems that every time I boot up my computer and want to do anything (ie. use the internet, use a internet browser, install something, delete something, pick my nose) I'm always prompted for either a normal password entry or a key-ring password entry. Is there anyway to turn off all of this "security" and tell my Ubuntu that it can trust what I'm doing and go take a shower? Thank You in advance, barkerto

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• The evils of #region

  - by DarrenFieldhouse

  I’m not a big fan of #region, I use it occasionally but generally try to avoid it. It’s always frustrating to open a code file and be presented with nothing but collapsed regions – sure, it looks neat (and lets face, more than a few programmers are a little OCD) but I want to see the code, that’s why I opened the file in the first place! Don’t worry, I’m not going off on a rant, I just want to direct you to a much more level headed explanation of The Problem With Code Folding. I couldn’t agree more.

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• Content Optimization only?

  - by danie7L T

  There are tons of discussions around tips&tricks to improve Search Engines "ranking" and SEOs. What if the focus of the webmaster/client is 100% set on the quality of the content with precise keywords in meta tags, clean design, regular articles updates, clean URLs and highly filtered external links leading to pages on websites dealing on the same,or related subjects; isn't it the job of a good search engine like Google to catch this website and show it in its front-page ? Or does Search Engines count on us to help them find us, and webmasters will always have to be up-to-date regarding SEO tools and rules updates on top of websites' design, browsers customization, progressive enhancement etc ?

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• Silicon Valley Code Camp 2012 - Submit Your Talks

  - by arungupta

  Silicon Valley Code Camp follows three rules: Given by/for the community Always free Never occur during work hours I've spoken there at 2011, 2010, 2009, 2008, and 2007 and have again submitted a talk this year as well, and will submit more! Its one of the best organically grown code camps with the attendance constantly growing over the past 6 years. Here is a chart that shows how the number of conferences attendees that registered and attended and the sessions delivered over past 6 years. If you wonder why there is such a big gap between "registered" and "attended" that's because this event is FREE! Yes, 100% free. If you are in and around Silicon Valley then you have no reason to not participate/speak at SVCC. You have the opportunity to meet all the local JUG leaders and the community "rockstars" :-) Date: Oct 6/7, 2012 Venue: Foothill College, 12345, El Monte Road, Los Altos Hills, CA Submit today or register!

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• How does Against The Wall create an infinite wall?

  - by Zolani13

  There is a game called Against The Wall, developed by Michael P. Consoli. It's a fantastic game, as I've always been stumped at how the game creates an infinitely spanning wall. In the game, you can fall forever, and the wall will keep spanning. I can fall as long as I like, and still be able to climb back to where I was before. The game is developed in Unity. How can a game do this without crashing, or creating some kind of memory overload?

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• My internship mentor doesn't allow me to do anything my way [closed]

  - by naveenk903

  When I started my internship, I was assigned a project. My internship mentor told he would just guide me if there was any problem. I started reading research papers and other works related to my project and completely understood it. But, when I started to implement my design, since then my mentor always order me to do things his way even though his method is crap. There are some things which can't be done but he wants results using his method (not possible). Because of him, I have lost all my interest from project. What to do?

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• High temperature on my laptop with Radeon Mobility HD4670

  - by Lorthirk

  As almost everyone here, I guess, in these days I downloaded Quantal Quetzal to give it a try. However I noticed that my laptop runs fairly hot with cooling fans almost always on, even sitting in the desktop doing nothing. I downloaded XSensor to read temperature sensors, and I saw that while CPU stays on about 65°C, so quiet normal I guess, the GPU sits at 75°C. In comparison my actual Windows 7 installation, which dual boots witb Quantal, stays at 59°C CPU and 65°C. So I went reading and learned that AMD dropped support for my video card from fglrx package, and that fglrx-legacy won't support 1.13 Xorg, so I'm basically stuck with OSS drivers. So I was guessing if there's anything I can try, and if it's possible that the OSS drivers could be the cause of the high temperature?

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• XNA GameTime TotalGameTime slower than real time

  - by robasaurus

  I have set-up an empty test project consisting of a System.Diagnostics.Stopwatch and this in the draw method: spriteBatch.DrawString(font, gameTime.TotalGameTime.TotalSeconds.ToString(), new Vector2(100, 100), Color.White); spriteBatch.DrawString(font, stopwatch.Elapsed.TotalSeconds.ToString(), new Vector2(100, 200), Color.White); The GameTime.TotalGameTime displayed is slower than the stop watch (by about 5 seconds per minute) even though GameTime.IsRunningSlowly is always false, why is this? The reason this is an issue is because I have a server which uses stopwatch and it is faster than my client game. For instance my client notifies the server it has dropped a mine which explodes in one minute. Because the stopwatch is faster the server state explodes the mine before the client and they are out of sync. I don't want to have to notify the client when the server explodes it as this would use unnecessary bandwidth.

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• Asus A8N-SLI soundcard/headphone not recognized/working

  - by Remon

  I have an Asus A8N-SLI with built-in sound-card which in the front has headset connection. Alsamixer V1.0.25 says Card: HD-Audio Generic Chip:ATI R6xx HDMI. Only option it gives is S/PDIF nothing else. I can only select the Generic sound-card others are not available. It seems it is not being recognized by Ubuntu. My technical skills are limited and I have searched for similar problems but could not find a solution. Any help in how to proceed forward is therefore greatly appreciated. I also have a windows focus problem with Gnome3 and Unity for which I will make a new question. Between those two problems it works like a charm as always. Though I'm only going to upgrade the laptop to 12.04 if I have the desktop running smoothly.

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• A roadmap to learn PHP efficiently

  - by Goma

  I have been always confused when I want to start learning PHP. I got afraid of learning any bad habbits or things that could lead to unsecure applications. If you can help and hope you can, I would like to ask you experts in PHP to help me and put a roadmap for me from the beginning. It would be better if it is a series of books so when I finish a book I go to the next or a series of videos or whatever. No worries about how much the books may cost, most importantly that I will learn the right things. Thanks.

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• Which nvidia driver from additional drivers option should I choose?

  - by sud_the_devil

  I have NVIDIA Geforece 7025 / nForce 630a integrated gfx card on my UBUNTU 12.04.And I have 4 options in Additional drivers: NVIDIA accelerated graphics driver (version 173) NVIDIA accelerated graphics driver (post-release updates)(version current updates) NVIDIA accelerated graphics driver (version current)[Recommended] NVIDIA accelerated graphics driver (post-release updates)(version 173 updates) I am currently using the First option. My Problem is there I can't update the version 173 to the latest version of drivers using xswat PPA. Whenever I do it and reboot but the NVIDIA xserver sttings always shows me the same version. Which option would allow me to update my drivers to the current version?

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• GitHub OS project how to have a good version and a work in progress version

  - by Para

  I have started my own OS application, I am hosting it on GitHub. My problem is that I push changes to the repository from more than one location so sometimes I want to work on it and sometimes I can't always finish something in time but I would still like to push it anyway so I can fetch it later from my other location. I'd like to be able to somehow have a stable version and have the master branch be a 'work in progress'. How do I do this? Is there some button I can push that will take the code from my master branch and make it into a zip file in my downloads tab and call it a version or should I do this by hand? Would it be better to have the master branch be nice and neat and have a separate branch to play with and then merge the two when the time is right? Would this not cause more problems in the merging phase?

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• Hosting a magnet link site which could possibly infringe copyrighted material?

  - by Griff

  I have for the last 3 months built a crawler, indexer and alot of other things for what started out to be a home project for indexing magnet links on the internet. As my project grew I have thought about releasing my collected data (which at the minute is on a public domain but with no access) to the public. Whatever the crawler sucks in goes in, and whatever the indexer decides to index gets indexed as it is a fully automated process. My question is as follows; Considering that most of the data that is collected from what I have built points to illegal copyrighted material (as most magnet links do) where would it be best to host such a site. I notice all of the already public torrent sites are hosted in India is this because there laws are less strict on copyright infringement? Have any of you hosted such a site, and if so what problems have you ran into? And as always any advice on being a webmaster for this type website?

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• 12.04 drops Wired Network if Wireless connects

  - by mitt10tim

  This is a little different then most of the questions I have seen here. When I am at my office I keep my Lenovo Thinkpad t61p running Ubuntu 12.04 x64 connected via wired Ethernet. I also typically leave the wireless radios on. After a recent update the behavior of laptop in regards to the networks has changed. It used to be that if the laptop had a wired connection, the wired would supersede the wireless. Now, when I get to work and plug the laptop in and power it up, it connects via wired (correct behavior), shortly after the wireless begins searching for its favorite network (also correct) but as soon as it finds a network to connect to, I lose Internet. If I disconnect from the wireless network, leaving the wireless radios powered on, and refresh the wired connection, all is well again. Powering down the wireless radios also corrects the problem. How can I set this up so that the wired network (if available) always has precedence over the wireless?

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• How do I set command line mode vga=788 permanently?

  - by George

  I have a problem that is not of easy resolution, happen to tell... I have Installed Ubuntu 10.10 Server. I want to join to the system way vga=788, into the grub it changes without any problem editing the file grub.cfg, the problem is that editing the above mentioned file I join to the system way vga=788 (800x600) and then command line puts itself in way vga=792 (1280x1024). Is there any way of changing this configuration so that it is always vga=788? tanks. sorry for my english :D

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• Minerva in wine

  - by Klemik

  First of all, I've tried to install adobe air on ubuntu 13.10 64-bit without any success (yes, I've read the posts here, but none of them have helped (it's always some dependency that says "but it wont be installed"). Then I decided to try running it thru wine. Installed adobe air with no problems. Now the tricky part - how do I run it ? Adobe Air has only exes' to update itself, and the minerva has and .air extension. Ive tried even something like rundll32 Adobe Air.dll (with no success of course).

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• Sometimes new windows don't come to the front when launched

  - by grafthez

  I'm using gnome shell with new ubuntu for few days now and have experienced really annoying behaviour with new windows. Sometimes when I use another window and press e.g. Alt Ctrl T to open new terminal window, I don't get this window being brought to front. Instead I get notification at the bottom that "New terminal window is ready to use". The same is with Pidgin being integrated with gnome shell (via extension). Every time I get new message, window pops up but doesn't show. I need to either Alt Tab it or click the notification. Is there any way to have new windows being always brought to front, and remove those annoying "Window is ready" notifications? UPDATE - gconftool-2 --search-key focus_new_windows (as severin asked): /schemas/apps/metacity/general/focus_new_windows = Schema (type: `string' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C') /apps/metacity/general/focus_new_windows = smart

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• HP Chromebook 14 Crouton = Broken packages

  - by Robin Perry

  I'm completely new and inept with ubuntu. I've recently purchased a chromebook 14 by Hewlett-Packard and today find out how to install Crouton for it. My goal is to be able to use steam on the chromebook for small time-killing games. My issue is that no matter what kind of application I attempt to install, it always tells me it has "broken dependencies" I also tried installing debian versions of "Firefox", "Chrome", "Opera" as well as "Cave Story+" from humble bundle. I've tried to do the sudo apt-get install -f as well as loads of other commands but nothing works What can I do, I can post any specs you need and am ready to use another way to get to steam such as ChrUbuntu if my issue is unfixable

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