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• New website - best practice for requirements specs? [closed]

  - by Alex K.

  Possible Duplicate: Extracting user requirements from a person who does not know how to express himself As a hobby freelancer I'm new to this. I've never had a non-technical client before explain to me what his future website is supposed to do. A person wants me to make a website for him and he basically explained to me what's it about. However, he's not a technical person and he just doesn't understand what I need to know and how to properly describe/explain it to me. When I ask him how a user is supposed to submit an entry to the website he told me "He fills out a form.", which is not really helping me. This was just an example, it goes on for other sections of the website as well which are a lot harder to explain. The website will be aimed at a specific professional user demographic and I have no clue about their profession and how their industry works. I tried to find some good Product Requirements Document templates on Google but none of them really seemed like they could help him understand how to write it so I can understand what he wants/needs. Can somebody please give me a hint on how to deal with such non-technical clients?

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• How to decide on a price for the project as a freelancer

  - by Shekhar_Pro

  I have seen similar question on this SE site but none comes close to a sure shot answer and many are rather subjective. So i am taking a website as an example to be more objective for you to decide its development price i should quote for the complete work.I would like to have specific figures. In past I have developed many projects for my classmates (Computer science and few .net) when i was in college and there i just arbitrarily quoted the price i will take depending on my mood and customer's ability to pay.. usually ranging from Rs.500 (about $10 USD) to Rs. 1500 (about $30 USD). I have also developed few websites but that was open-source and free. But this time impressed by my work i have got a client that wants to get a website developed similar to this: [ http://www.jeetle.in/ ]. So taking this website as an example tell me how much should i charge for complete work from designing to payment gateway implementation (Excluding the charge the payment gateway provider will take). Few information you might like to consider. I am the only developer on this project if that makes any difference. And i would be using ASP.Net and MSSQL Express for server side processing and jQuery on client. Time period for development offered is about 4 to 6 Weeks. Its like i know my work but not how much I'm worth

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• Wordpress blog penalized by Google search - what's wrong?

  - by pawelbrodzinski

  I have a blog (http://blog.brodzinski.com), which is wordpress.org blog with pretty popular Thesis theme with almost no other customizations. Some time ago it was penalized by Google search - it simply stopped appearing in search results even for search terms it used to be top result, like my name - Pawel Brodzinski - which isn't anything close to popular search term. To be exact the site has been penalized on Nov 18. It started popping up in search result on Dec 23 but only for a few days. Since Dec 27 it is out again. I know Google guidelines and I'm not aware to break any of them. I submitted reconsideration request after I noticed penalty. It was proceeded and there was no change whatsoever (no surprise as it seems the site was penalized again). I checked diagnostics in webmaster tools and neither any malware was detected nor any strange search terms popped up. I read related threads on Google webmasters forum but found none of solutions working for me. I posted a thread on Google webmasters forum (http://www.google.com/support/forum/p/Webmasters/thread?tid=546339f49d4a03bc&hl=en) and the only answer I got was to check for duplicate content. Well, there is some duplicate content published on the web but it is true for vast majority of blogs and it doesn't seem to be a reason for a penalty. Also before Dec 27 I was able to remove duplicate content from a couple of sites which were republishing my feed but this doesn't change the situation - the site was penalized again. The problem is I have no idea what can be wrong with the website or how to find it out. To make the problem worse I'm no webmaster, I just run a wordpress blog, which supposed to be easy.

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• Does the google crawler really guess URL patterns and index pages that were never linked against?

  - by Dominik

  I'm experiencing problems with indexed pages which were (probably) never linked to. Here's the setup: Data-Server: Application with RESTful interface which provides the data Website A: Provides the data of (1) at http://website-a.example.com/?id=RESOURCE_ID Website B: Provides the data of (1) at http://website-b.example.com/?id=OTHER_RESOURCE_ID So the whole, non-private data is stored on (1) and the websites (2) and (3) can fetch and display this data, which is a representation of the data with additional cross-linking between those. In fact, the URL /?id=1 of website-a points to the same resource as /?id=1 of website-b. However, the resource id:1 is useless at website-b. Unfortunately, the google index for website-b now contains several links of resources belonging to website-a and vice versa. I "heard" that the google crawler tries to determine the URL-pattern (which makes sense for deciding which page should go into the index and which not) and furthermore guesses other URLs by trying different values (like "I know that id 1 exists, let's try 2, 3, 4, ..."). Is there any evidence that the google crawler really behaves that way (which I doubt). My guess is that the google crawler submitted a HTML-Form and somehow got links to those unwanted resources. I found some similar posted questions about that, including "Google webmaster central: indexing and posting false pages" [link removed] however, none of those pages give an evidence.

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• PHP safe_mode is a pain, looking for advice (Ubuntu 12.04 server, public webserver)

  - by user73279

  Maybe askUbuntu isn't the right forum or I haven't provided the right search query but I haven't seen anything in my searching of askUbuntu on PHP safe_mode. I get lots of Windows Safe Mode and Ubuntu Safe Mode results but not PHP safe_mode. So I keep running into one issue after another regarding PHP safe_mode. (I write a lot of my own PHP code for various site maintenance tools and such.) I know safe_mode is going away in the next version of PHP but I still see a fair amount of advice recommending that you leave it enabled. I've recently consolidated from 3 servers down to 1 and at least one of those old servers had safe_mode disabled without any issues. (The lack of issues may have simply been a matter of good luck.) None of the previous 3 gave me this much trouble so I'm guessing so additional php.ini/PHP safe_mode setting was turned on for the new server. I primarily run WordPress for my websites with a few MediaWiki sites sprinkled in. And I am currently running into an issue using WordPress's auto update feature as it doesn't seem to be able to use fopen. WordPress is not relaying the actual error message to me but since I was just able to update the plugins I'm using this is a safe_mode problem. I've had a lot of safe_mode issues since consolidating to this new server. Long story short, the advice I'd seen to use safe_mode was all at least 2 years old. Do I really need it? If I disable PHP safe_mode are there a good set of security measures I should implement - i.e. chmod 640 /var/www/..., add this to your .htaccess, etc - to protect my server/sites? Thanks

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• Windows 8 BIOS - Boot Ubuntu from External HDD

  - by F3AR3DLEGEND

  My laptop came pre-loaded with Windows 8 64-bit (only storage device is a 128 GB SSD). Since it is my school laptop/I've heard creating a Linux partition alongside Windows 8 is not very wise I installed Ubuntu onto my external hard drive. I have a 500GB external HDD with the following partitions: Main Partition - NFTS - ~400 GB Extension Partition / - ext2 - ~25gb /home - ext2 - ~30gb swap - ext2 - 10gb /boot - ? - 10gb ? = not sure of partition Using the PenDriveLinux installer, I created a LiveUSB version of Ubuntu 12.04 (LTS) on a 4GB USB drive. Using that, I installed Ubuntu onto the external hard-drive, without any errors (or at least none that I was notified of). Using the BIOS settings, I changed the OS-loading order so that it is in this order: My External USB HDD Windows Boot Loader Some other things Therefore, Ubuntu should load from my hard drive first, but it doesn't. Also, my hard drive is in working condition, and it turns on when BIOS starts (there is a light indicator). When I start my laptop, it goes directly to Windows 8 (I have the fast startup setting disabled as well). So, is there any way for me to set it up so that when my HDD is connected, it will automatically load Ubuntu? Thanks in advance!

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• Intel 5100 AGN disconnects and then disables my Verizon FiOS Actiontec router

  - by Anthony

  I am a new user (my first trial) of Ubuntu and booted up my Windows Vista laptop up with the Ubuntu CD. I was able to connect wirelessly to my router and stay connected for about a minute. After that it would disconnect and my router would be disabled: none of my other wireless devices would see the signal any longer, as if it disappeared. I would have to cycle the router's power toggle off/on to get it to come back on and put out a signal again. This happened repeatedly. I experienced no other problems trying the software (i.e., accessed my files w/o issue). I did not attempt to connect with an Ethernet cable. Here are the specs on my system: laptop is HP Pavilion dv5 Notebook PC system type is 64-bit operating system CPU is Intel Core 2 Duo P8600 2.4GHz ram is 4 GB network card is Intel WiFi Link 5100 AGN I read elsewhere in this forum that 64-bit systems may not be compatible with Ubuntu. Can anyone help me with this? I'd really like to be able to use this op system.

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• Ubuntu 12.10 with kernel 3.5.0-18

  - by Chaitanya

  I had ubuntu 12.04 with kernel 3.0.2. Today I have updated my system and got 12.10 with kernel 3.5.0-18. Now when I boot my machine with 3.5 kernel, it starts until the page where I enter my password. Within seconds, I get a page with looooong list of some commands or list. I cant take screenshot of that. It looks something like, [1.2234978942837]kjsahfa;lsfksld;fkjsf;owieurwirejw/rnw;erkjwelrjw2309480432 [1.3294823498230948]as;lfjsf;iuwrijrwjlkerjw;rekwer;lkwjre;lkjRIJWEORIWE'JJA; something like this. Luckily, in my boot page, I have 3.0.2 kernel also. When I boot with 3.0.2 kernel there is no problem. But when I boot with 3.5.0, it throws that wierd error. I wont be able to do anything at that time. None of the keys work. I have to forcibly shutdown the machine and restart with 3.0.2 kernel. Please help..... Thanks, Chaitanya.

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• Game: Age of Empires sound good but video "out of range"

  - by Ezekiel

  I'm new to the Ubuntu realm. Currently i'm using Linux Mint 12 with Wine 1.4 and PLAYONLINUX as game loading/playing programs. Video card is MSI GeForce FX5200 (NVIDIA) and is 3d enabled. I can play "Call of Duty 5 demo just fine. My real love is the Age of Empires series games. I loaded the WINE version of AOE 1 demo. No sound and no picture. Black screen with "Out of Range" window in red. I loaded my CD version of AOE 1 through PLAYONLINUX. I get the sound just fine but again the black screen with "Out of Range" window in red. I have used all the monitor settings in both the "settings" and in winecfg. None of the eight monitor options worked in any combination. I have checked all the questions and blogs on this error and tried all I found and no one seems to come up with a real fix. I guess I need to know exactly what the "Out of Range" means. Any help? Anywhere? Thanks

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• Does this licensing clause allow redistribution of this application?

  - by George Edison

  As a software developer, I find a frequent need to create icons for my applications. Nothing has ever worked as well as IcoFX for this purpose. Unfortunately, the program is no longer free - but I still have the installer for an older version. My question is whether or not I can distribute copies of the installer. The license agreement contains the following pertinent clauses: 6. All redistributions of the Software's files must retain all copyright notices and web site addresses that are currently in place, and must include this list of conditions without modification. 7. None of the Software's files may be redistributed for profit or as part of another Software package without express written permission of the Author. 10. The Author reserves his rights to modify this agreement in the future. The first two clauses would seem to suggest that I can legally distribute verbatim copies of the installer but the last clause has me confused. If the author modifies the agreement and removes the ability to distribute copies, does it apply to my copy that I downloaded a while back?

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• Why, when on Kubuntu I lose internet connection, am I unable to reconnect?

  - by Jonathan

  Using Kubuntu 11.10. Sony Vaio computer. Network controller: Intel Corporation WiFi Link 5100. If I connect to a wireless network, and the signal drops, then I am unable to connect to any network without a reboot. I can assure that the issue has nothing to do with the computer going to sleep, as I have experienced the above while using my computer continuously. Here is exactly what happens: Connect to network (at University, where the connection is not so great). The connection is broken There are three other possible networks available, but none of them can be connected to. I have tried off and on sometimes for hours. I am always able to reestablish a connection after a reboot. I can only think of two explanations. The first is that a temp file is corrupted when the internet connection is abruptly dropped. The second is that my computer actually corrupts something before the loss of internet connection, which causes the loss in signal, and inability to reconnect. However, I am not confident that my explanations are complete, nor do I have any idea how to test these things.

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• Where to implement storable items

  - by James Hay

  I'm creating a multiplayer online trading game. The things that are traded range from raw items to complex products. For example Steel is a raw item. Mechanical Assembly is a more complex item that requires 2x Steel and maybe 1x Rubber. Then Hydraulics is an item that contains 2x Mechanical Assemblies and 1x Electronics (which is another complex item). So and so forth. These items will be created by me, players can't create their own items, so it doesn't need to be able to handle arbitrary layers of complexity for items. If my example isn't clear, think Minecraft. You have wooden planks, which can be made into sticks. From there the sticks - combined with metals - can be made into tools. My game is nothing to do with minecraft or any sandbox building game, but it uses a similar progressive complexity to creating items that I want to have in my game. My question is basically, how do you store something like this assuming that I will want to add more items in the future? Do you store it in a database or in a seperate library that the game uses? EDIT None of the items actually "do" anything, they are simply there to either sell, purchase, or combine with other items to make a more complex item, which can then be sold, purchased or combined... you get the idea. The items themselves would not have any properties, but the instances of the items would. For example an item that one player has would have a certain "quality" and if they were selling it a certain "price". An instance of that same item that a different player had would need to have a different "quality" and "price" if they were selling it. I think the price part will not be required on an individual item because instead I would have a "sale" object which was for a price and contained certain items.

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• 13.04 Dash Icon and Ubuntu Gnome-Classic Issues

  - by Flabricorn

  The dash icon for Ubuntu 13.04 was "released", and a how-to on OMG! Ubuntu! Was written. Now, I followed all of the instructions, and the assets installed fine. Oh they installed alright, and now I can't get rid of them! I went through the multiple posts, but since this seems to be a new problem, none of the answers were working, and nothing new was appearing! So what I did, was I went into Gnome-Classic, just for old times sake, and I wanted to hide from the new 13.04 icons I didn't really take to. And of course what should appear covering my top, and bottom panels, but the Unity dock, with it's 13.04 Dash icon and everything. Wait, how did unity make it's way into my gnome-classic environment? I'm not really sure, but after about an hour of fooling around with Unity-Tweak and the compiz configuration, I needed something new. Would it be a bad idea to reinstall? At this point, nothing much would be lost, but I would like to stray from that idea.

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• Empty interface to combine multiple interfaces

  - by user1109519

  Suppose you have two interfaces: interface Readable { public void read(); } interface Writable { public void write(); } In some cases the implementing objects can only support one of these but in a lot of cases the implementations will support both interfaces. The people who use the interfaces will have to do something like: // can't write to it without explicit casting Readable myObject = new MyObject(); // can't read from it without explicit casting Writable myObject = new MyObject(); // tight coupling to actual implementation MyObject myObject = new MyObject(); None of these options is terribly convenient, even more so when considering that you want this as a method parameter. One solution would be to declare a wrapping interface: interface TheWholeShabam extends Readable, Writable {} But this has one specific problem: all implementations that support both Readable and Writable have to implement TheWholeShabam if they want to be compatible with people using the interface. Even though it offers nothing apart from the guaranteed presence of both interfaces. Is there a clean solution to this problem or should I go for the wrapper interface? UPDATE It is in fact often necessary to have an object that is both readable and writable so simply seperating the concerns in the arguments is not always a clean solution. UPDATE2 (extracted as answer so it's easier to comment on) UPDATE3 Please beware that the primary usecase for this is not streams (although they too must be supported). Streams make a very specific distinction between input and output and there is a clear separation of responsibilities. Rather, think of something like a bytebuffer where you need one object you can write to and read from, one object that has a very specific state attached to it. These objects exist because they are very useful for some things like asynchronous I/O, encodings,...

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• Is this an acceptable approach to undo/redo in Python?

  - by Codemonkey

  I'm making an application (wxPython) to process some data from Excel documents. I want the user to be able to undo and redo actions, even gigantic actions like processing the contents of 10 000 cells simultaneously. I Googled the topic, and all the solutions I could find involves a lot of black magic or is overly complicated. Here is how I imagine my simple undo/redo scheme. I write two classes - one called ActionStack and an abstract one called Action. Every "undoable" operation must be a subclass of Action and define the methods do and undo. The Action subclass is passed the instance of the "document", or data model, and is responsible for committing the operation and remembering how to undo the change. Now, every document is associated with an instance of the ActionStack. The ActionStack maintains a stack of actions (surprise!). Every time actions are undone and new actions are performed, all undone actions are removed for ever. The ActionStack will also automatically remove the oldest Action when the stack reaches the configurable maximum amount. I imagine the workflow would produce code looking something like this: class TableDocument(object): def __init__(self, table): self.table = table self.action_stack = ActionStack(history_limit=50) # ... def delete_cells(self, cells): self.action_stack.push( DeleteAction(self, cells) ) def add_column(self, index, name=''): self.action_stack.push( AddColumnAction(self, index, name) ) # ... def undo(self, count=1): self.action_stack.undo(count) def redo(self, count=1): self.action_stack.redo(count) Given that none of the methods I've found are this simple, I thought I'd get the experts' opinion before I go ahead with this plan. More specifically, what I'm wondering about is - are there any glaring holes in this plan that I'm not seeing?

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• Validate that a Checkbox is checked using javascript

  - by H(at)Ni

  I was facing a challenge yesterday that I was creating a Visual webpart and I wanted to validate the a submit button is only visible if the user checked a "I agree to terms" checkbox. Something was weired that I tested my code on a normal asp.net website and it worked perfectly while it had a different behaviour inside the webpart which is whenever I check the checkbox, the button is enabled but it will not fire the asp.net validators in client side. It posts back the page and then the validators appear after that. So, I tried to change my type of thinking and I reached a different solution is that to call a javascript function whenever the button is clicked and then check if the checkbox is clicked or not. To illustrate more, here are an example to what I'm saying: 1. Button in aspx page: <asp:Button OnClientClick="CheckForCondition();"  ValidationGroup="CompaniesSection" ID="btnCompaniesSubmit"                         runat="server" Text="Submit" /> 2. CheckForCondition() function: <script language="javascript" type="text/javascript">                         function CheckForCondition() {                             if ($jq('#<%= ChkCompanyCheck.ClientID %>:checked').val() == undefined) {                                 $jq('#lblCheckBox').show();                                 return false;                             }                             else {                                 $jq('#lblCheckBox').hide();                                 return true;                             }                         }                      </script> 3. lblCheckBox is simply a label that shows a red asterisk beside the checkbox to indicate that it's a required field. <label id="lblCheckBox" style="color:Red;display:none">*</label>

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• What is the `ServerName` attribute for apache2 and what does it do?

  - by freddydoggie

  I do not know what this config setting means. Does it mean that it registers a domain name? Is it like DNS? Here is what I have for my apache2 default config ServerName staugie.org ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks Indexes MultiViews AllowOverride All </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride All Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> also, is there any way to register a free domain through the apache foundation?

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• Can't enable bluetooth because of adapter

  - by Eray

  I can't use my Bluetooth with Ubuntu 12.04 64bit . I have installed bluetooth, gnome-bluetooth and blueman packages. But i'm getting No adapter found error. eray@eray-vaio-ubuntu:~$ sudo hciconfig hci0 reset [sudo] password for eray: Can't init device hci0: Connection timed out (110) eray@eray-vaio-ubuntu:~$ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: sony-wifi: Wireless LAN Soft blocked: no Hard blocked: no 3: sony-bluetooth: Bluetooth Soft blocked: no Hard blocked: no eray@eray-vaio-ubuntu:~$ sudo hciconfig sony-bluetooth reset Can't init device hci0: Connection timed out (110) eray@eray-vaio-ubuntu:~$ I'm remambering, i was able to use my bluetooth with Ubuntu, about 7-8 months ago. So Ubuntu supporting my bluetooth device. How can i install my bluetooth and solve this problem ? NOTE , I've read a lots of question about this. Generally there are 3 answers. Upgrade to 12.04 execute sudo hciconfig hci0 reset command unblock your device if it's blocked. But as you seen, none of them helped me. Because of this, i'm asking this question.It's not a duplicated question.

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• Why doesn't Firefox cache my images and CSS

  - by Richard A

  I am using IIS7, I have already set up the following. But when I run Firefox it seems not to cache any of my images even with "remember history" set. <?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <staticContent> <clientCache cacheControlCustom="public" cacheControlMode="UseMaxAge" cacheControlMaxAge="7.00:00:00" /> </staticContent> </system.webServer> </configuration> However when I use Firebug it still points to Firefox not caching images and CSS: public,max-age=604800 Content-Type text/css Content-Encoding gzip Last-Modified Mon, 27 Jun 2011 03:53:22 GMT Accept-Ranges bytes Etag "507968c27d34cc1:0" Vary Accept-Encoding Server Microsoft-IIS/7.5 X-Powered-By ASP.NET Date Mon, 27 Jun 2011 13:06:41 GMT Content-Length 5067 Request Headersview source Host www.xx.com User-Agent Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 Accept text/css,*/*;q=0.1 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip, deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive Referer http://www.xx.com/ Cookie __utma=62996397.135679654.1309106351.1309159743.1309164158.8; __utmz=62996397.1309106351.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmc=62996397

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• Terminal closing itself after 14.04 upgrade

  - by David

  All was fine in 12.04, in this case I'm using virtualbox in Windows. Last days the warning message about my Ubuntu version no longer being supported was coming up pretty often, so, yesterday I finally decided to upgrade. The upgrading process ran ok, no errors, no warnings. After rebooting the errors started to happen. Just after booting up there were some errors about video, gnome, and video textures (sorry I didn't care in that moment so I don't remember well). Luckly that went away after installing VirtualBox additions. But the big problem here is that I can't use the terminal. It opens Ok when pressing control+alt+t, but most of the commands cause instant closing. For example, df, ls, mv, cd... usually work, although it has closed few times. But 'find' causes instant close. 'apt-get' update kills it too, just after it gets the package list from the sources, when it starts processing them. I've tried xterm, everything works and I have none of that problems. I have tried reinstalling konsole, bash-static, bash-completion, but nothing worked. I have no idea what to do as there is no error message to search for the cause. It seems something related to bash, but that's all I know.

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• Can't run minecraft on ubuntu 12.04 lts [duplicate]

  - by user170011

  This question already has an answer here: How to correctly install and troubleshoot Minecraft (Client) 3 answers I was trying to run minecraft on my laptop with ubuntu 12.04 lts 64 bit. I have a lenovo ideapad p580 with 7.7 Gb and an Intel® Core™ i7-3520M CPU @ 2.90GHz × 4 processor. Under the graphics section of the system overview in ubuntu it says I have none installed. My computer comes with and nvidia geforce graphics card but it isnt recognized. When I start minecraft I get this crash report. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 24/06/13 7:23 PM Description: Failed to start game org.lwjgl.LWJGLException: Could not init GLX at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method) at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:52) at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:684) at org.lwjgl.opengl.Display.create(Display.java:854) at org.lwjgl.opengl.Display.create(Display.java:784) at org.lwjgl.opengl.Display.create(Display.java:765) at net.minecraft.client.Minecraft.a(SourceFile:235) at avv.a(SourceFile:56) at net.minecraft.client.Minecraft.run(SourceFile:507) at java.lang.Thread.run(Thread.java:679) A detailed walkthrough of the error, its code path and all known details is as follows: -- System Details -- Details: Minecraft Version: 1.5.2 Operating System: Linux (amd64) version 3.5.0-34-generic Java Version: 1.6.0_27, Sun Microsystems Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 406175448 bytes (387 MB) / 514523136 bytes (490 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -Xmx2048M -Xms512M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 LWJGL: 2.4.2 OpenGL: ~~ERROR~~ NullPointerException: null Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null I can run it on different versions of linux such as fedora.

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• Writing Acceptance test cases

  - by HH_

  We are integrating a testing process in our SCRUM process. My new role is to write acceptance tests of our web applications in order to automate them later. I have read a lot about how tests cases should be written, but none gave me practical advices to write test cases for complex web applications, and instead they threw conflicting principles that I found hard to apply: Test cases should be short: Take the example of a CMS. Short test cases are easy to maintain and to identify the inputs and outputs. But what if I want to test a long series of operations (eg. adding a document, sending a notification to another user, the other user replies, the document changes state, the user gets a notice). It rather seems to me that test cases should represent complete scenarios. But I can see how this will produce overtly complex test documents. Tests should identify inputs and outputs:: What if I have a long form with many interacting fields, with different behaviors. Do I write one test for everything, or one for each? Test cases should be independent: But how can I apply that if testing the upload operation requires that the connect operation is successful? And how does it apply to writing test cases? Should I write a test for each operation, but each test declares its dependencies, or should I rewrite the whole scenario for each test? Test cases should be lightly-documented: This principles is specific to Agile projects. So do you have any advice on how to implement this principle? Although I thought that writing acceptance test cases was going to be simple, I found myself overwhelmed by every decision I had to make (FYI: I am a developer and not a professional tester). So my main question is: What steps or advices do you have in order to write maintainable acceptance test cases for complex applications. Thank you.

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• How can i install ubuntu on my ntfs hdd without formatting?

  - by Ridvan Coban

  My hdd is just one partition in ntfs (500gb) and 430 gb is used by my photos/movies/music etc which i never will want to lose. Actually i installed ubuntu on a usb flash drive (using it right now) but it is too slow that way. But my problem is : My computer is damaged ( maybe chipset or but not sure) and none of the windows versions (xp,vista,7) works on my pc. I get blue screen error as soon as windows startup logo shows. But ubuntu just works flawless. That means i cannot use wubi. I wanted to shrink my hdd without losing data (which can be done in windows) but found nothing about that on ubuntu forums. Is this possible? Or install ubuntu on my ntfs filesystem? Note : I don't have chance to backup 400 gbs of data. Sorry for my question if it's written a bit compex. I hope you get the point and someone has an idea ;)

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• external display in Ubuntu 13.04

  - by thuc2009

  I have had a look on series of similar topics but I could not find a right answer. Currently, I bought laptop Dell latitude E6530 and installed Ubuntu 13.04 (64 bit) alongside with Windows 7 (I could not get rid of it because of some special programs for work). Ubuntu worked well, however, it did not detect the external displays (Dell 23" and Dell 19") no matter I plugged them before or after booting. Edited: I connected my laptop to those external displays through a laptop dock. I went to Settings- Display, the displays were there, but when I enabled them, Ubuntu logged off automatically. No external display was detected. In addition, the laptop screen sometimes was detected as Dell 23" I got an advice from similar topic that nvidia driver should be updated to version 313 or 319. I upgraded driver and the unity launcher disappeared, main display resolution turned to 640*480 and none of external displays was detected. I tried to use additional drivers, but when I turned it on, it told me that there was no driver to be used. Could some one tell me what should I do ? Edited : options vmwgfx enable_fbdev=1

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• What can be the cause of new bugs appearing somewhere else when a known bug is solved?

  - by MainMa

  During a discussion, one of my colleagues told that he has some difficulties with his current project while trying to solve bugs. "When I solve one bug, something else stops working elsewhere", he said. I started to think about how this could happen, but can't figure it out. I have sometimes similar problems when I am too tired/sleepy to do the work correctly and to have an overall view of the part of the code I was working on. Here, the problem seems to be for a few days or weeks, and is not related to the focus of my colleague. I can also imagine this problem arising on a very large project, very badly managed, where teammates don't have any idea of who does what, and what effect on other's work can have a change they are doing. This is not the case here neither: it's a rather small project with only one developer. It can also be an issue with old, badly maintained and never documented codebase, where the only developers who can really imagine the consequences of a change had left the company years ago. Here, the project just started, and the developer doesn't use anyone's codebase. So what can be the cause of such issue on a fresh, small-size codebase written by a single developer who stays focused on his work? What may help? Unit tests (there are none)? Proper architecture (I'm pretty sure that the codebase has no architecture at all and was written with no preliminary thinking), requiring the whole refactoring? Pair programming? Something else?

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