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• Most appropriate diagram for GUI button design?

  - by JustADude

  What is the most appropriate diagram for GUI button design? Specifically, I have numerous buttons that will be changing color based on state information from operator input and input from various subcomponents and sensors. I would like to use UML or some other type of design diagrams to be able to capture the color transition. Some folks have suggested sequence diagrams, but I haven't been able to find any good examples that show how to incorporate this design artifact. I would really like to head in this direction to help developers. Thanks a ton for feedback and insights.

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• Need help with gimp 2.8 (cpu not used to full capacity) [closed]

  - by Birgir Freyr

  I know this isn't the right place to ask this question but maybe some one here can point me out to were I should place this question (or help me fix it :)). Since I updated Gimp to 2.8 (and let me start by saying how happy I am with the new gimp) I have notice that Gimp only uses 35% max of my CPU power. I have tried changing settings, assigning only one CPU to Gimp (both in gimp preference and in windblows task manager). No matter what settings I choose it only uses 35% of the cpu. If I assign just one Core to it then Gimp will use 100% of that core (which is about 35% of a three core processor I have. Any thoughts? I am using Windblows 7 64 bit, gimp 2.8.0, AMD a6-3500 cpu. I also use Ubuntu (am going to see if it works the same there). Any help would be great.

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• Are Promises/A a good event design pattern to implement even in synchronous languages like PHP?

  - by Xeoncross

  I have always kept an eye out for event systems when writing code in scripting languages. Web applications have a history of allowing the user to add plugins and modules whenever needed. In most PHP systems you have a global/singleton event object which all interested parties tie into and wait to be alerted to changes. Event::on('event_name', $callback); Recently more patterns like the observer have been used for things like jQuery. $(el).on('event', callback); Even PHP now has built in classes for it. class Blog extends SplSubject { public function save() { $this->notify(); } } Anyway, the Promises/A proposal has caught my eye. It is designed for asynchronous systems, but I'm wondering if it is also a good design to implement now that even synchronous languages like PHP are changing. Combining Dependency Injection with Promises/A seems it might be the best combination for handling events currently.

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• Using VBA to model data in Autodesk Inventor?

  - by user108478

  I have a close friend who is using a specific device that records the dimensions of an object as it is eroded and outputs the dimensional data to an excel sheet. The object is spherical in nature but is eroded from the top and bottom, so the shape is constantly changing and a single formula for surface area and volume would not work. This is where Inventor comes in. My friend can plug the dimensional data to Inventor and it immediately returns the surface area and volume. The erosion process takes several minutes to complete and records data at very short intervals, so it would be very arduous to plug in the data thousand of time. Since Inventor supports macros and VBA, is there a way to plug the data into Inventor and output it into another spreadsheet? Any suggestions would be appreciated.

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• What things to take into consideration when refactoring code?

  - by JustaPro

  Code refactoring is a "disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior" Could anyone explain this definition? I find it kind of blurry. Which is the best technique to do it? Are these the only ones? Which are the obstacles one would meet when refactoring code? What to take into consideration when switching between IDEs? Do tools which help refactoring exist? If yes, which one would you recommend using? Any references to links where I can find out more on this subject or to books that have been written are welcomed. The questions above are for any programming language, but specific examples are appreciated. Anything that would clarify this for me is.

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• Android Dynamic 2D Map

  - by Deltharis

  My problem is, I want to create a 2D tiled map. Yes, I know it's been asked a lot. I've seen answers that propose the use of tiled however it only allows (or so it seems to me) to generate static maps that do not change once generated. And I need a large empty uniform space of empty tiles, upon which players may place various buildings (some spanning more than one tile and logically being the same one). How to approach this in Android? Do I make some kind of TableLayout, use arbitrarly large amount of rows and imageviews (with my emptyTile), than somehow work event-based changing of image ids from there? I'd think that only a portion of that map should be visible at a time, but I don't see how scrolling around could be the part of that structure.

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• Installing g77 in Ubuntu 12.04 LTS (32bit)

  - by pksahani

  I am using Ubuntu 12.04 LTS (32bit-i386) in my desktop PC. I need g77 compiler for some specific applications. The app can only be installed after having g77 compiler. This specific app is designed based on g77 fortran compiler and can't be used with gfortran which is the standard available compiler in 12.04 LTS. And guide me the procedure to install g77 in 12.04. I have been trying apt-get update & apt-get install g77 after changing the sources.list file. After processing I am able to install g77 but when i try to compile a fortran program, it shows error /usr/bin/ld: cannot find crt1.o: No such file or directory /usr/bin/ld: cannot find crti.o: No such file or directory /usr/bin/ld: cannot find -lgcc_s collect2: ld returned 1 exit status Please help me. I m struggling a lot to fix this.

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• How can I change the folder icon?

  - by Jakob

  I know how to change an icon this way. What I'm looking for is an equivalent to changing the icon for an application in the launcher, i. e. the Home folder, via gedit ~/.local/share/applications/nautilus-home.desktop That way you can set an icon type, which is helpful when you later want to change the icon set resp. theme or when you want the best resolution for each size of the icon. So, I know how I can do this for applications in the launcher - but how can I realize this for icon folders in Nautilus? (In which file these settings are stored and editable whith i. e. Gedit?)

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• What command are my volume keys running?

  - by user2787904

  In Unity I use my ThinkPad hot keys to change the volume. I need to know the command that these keys run so that I can bind it in my window manager. I have tried using amixer but could not change the volume through command line amixer set Master 10%- amixer: Unable to find simple control 'Master',0 amixer scontrols: Simple mixer control 'IEC958',0 amixer set 'IEC958' 50%- amixer: Invalid command! So obviously this is not what Unity is running. I have tried changing the default sound card as well but that didn't help.

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• installed 12.04 fine. updated graphics driver. now solid puprle screen.

  - by Zephium

  Purchased a new msi ge 70 series labtop. nvidia card gtx 765m. updated driver after install, and ran update manager. All seems well. restarted as required. Now i have a solid purple screen, even if i use boot menu to recovery mode. all i can do is access grub menu 3.10. live cd will run but i get purple screen and cant see choices. please help and im still learning ubuntu. noob talk prefered. i hate making more mistakes. Thanks also tryed changing lines of kernal code using "e" on boot menu, nomodeset and the like. not helping. any way to fix problem through grub?

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• Is it possible to track redirects to external sites from our subdomains?

  - by ChaBuku

  I have a handful of subdomains set up as redirects because we are using them for QR codes. I want to be able to track the QR code redirects (which are already set up and printed so no changing them at this point) and see the effectiveness of each. Here's two examples: http://qr.glorkianwarrior.com and http://ad.glorkianwarrior.com are set up to forward to our iTunes page (later on this year it may forward to Google Play or a specific landing page), is there any way on my server to track the redirect from the subdomain to iTunes and see where traffic is coming from first? I have the redirects set up through cPanel presently using subdomains. Edit: From the research I've seen I can't track a 301 directly. If I redirect to an internal page and then do a timed redirect to the iTunes link, how long will it take for the tracking script to track a hit?

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• Problem! I can't add work areas in gnome flashback ubuntu 14.04 or make the alt-tab work!

  - by user2970454

  Please, I have been dealing with the alt-tab problem for a long time. I have alreade check keyboard shortcuts in the configuration panel but it still doesn't work. (I already had this problem in ubuntu 12.04, but since I installed 14.04 another problem came arround. I can't add work spaces. I tryed changing the amount of work areas by right clicking in the desktop's miniature but it does't chenge. Anyone can help me find this parameters in a file wich I may be able to edit using "sudo nano" or something similar? Thaks! PS: I also have problems with the backlight but that may be another issue since I had to install samsung-backlight in 12.04 but it isn't availabe for 14.04. I just mention it in case someone knows somthing about it.

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• Get script for every action in SQL Server Management Studio

  I am always conscious to keep a record of all operations performed on my database servers. Operations through T-SQL in an SSMS query pane can easily be saved in query files. For table modifications through SSMS designer I have predefined setting to generate T-SQL scripts. However there are numerous database and server level tasks that I use the SSMS GUI and I would like to have a script of these changes for later reference. Examples of such actions through the SSMS GUI are backup/restore, changing compatibility level of a database, manipulating permissions, dealing with database or log files or creating/manipulating any login/user. I am looking for any way to generate T-SQL code for such actions, so that it may be kept for later reference

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• SSMS Tools Pack 1.9.4 is out! Now with SQL Server 2011 (Denali) CTP1 support.

  - by Mladen Prajdic

  To end the year on a good note this release adds support for SQL Server 2011 (Denali) CTP1 and fixes a few bugs. Because of the new SSMS shell in SQL 2011 CTP1 the SSMS Tools Pack 1.9.4 doesn't have regions and debug sections functionality for now. The fixed bugs are: A bug that prevented to create insert statements for a database A bug that didn't script commas as decimal points correctly for non US settings. A bug with searching through grid results. A threading bug that sometimes happened when saving Window Content History. A bug with Window Connection Coloring throwing an error on startup if a server colors was undefined. A bug with changing shortcuts in SSMS for various features. You can download the new version 1.9.4 here. Enjoy it!

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• BleachBit: How to Completely Clear URL History in Firefox?

  - by tSquirrel

  14.04 / Firefox 29.0 I've been using Bleachbit to clear usage/file history, and for the most part it works great. However, it doesn't seem to clear the website hostnames out of the URL, at all. These addresses are not bookmarked. Also, the total URL isn't preserved, just the hostname. Visit site http://www.bluesnews.com/some_random_URL_string Exit Firefox Run Bleachbit, with ALL Firefox options selected Restart Firefox Check history: completely empty, other than bookmarked sites. www.bluesnews is NOT bookmarked Type "blue" which is Firefox automatically completes as "http://www.bluesnews.com/" Alternate Step #3: Use Firefox's built-in "Clear History" and select ALL entries with a time frame of "Everything". Same result as above. My inquiry in BB forums hasn't been responded to. I found Dan's proposed solution, however changing autocomplete in about:config only turns off the function, it doesn't actually stop storing URLs.

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• ACPI Events not triggered after booting

  - by user3208188

  I purchased a Convertible (Laptop and Tablet, Ubuntu 14.04 installed) and would like to execute a script when changing from laptop to tablet mode and the other way around. So I created two new files within the /etc/acpi/events folder corresponding to two new scripts in the /etc/acpi folder. Everything works well if I create a new acpid process (e.g "sudo acpid -c /etc/acpi/events -s /var/run/acpid.socket") manually. However, if I do not initiate this process manually the scripts are not executed, even though there is a process running with the same options right after the machine has booted by default. The only difference I can find is the parent pid. If I create the process the parent is "init --user", while the parent of the automatically initiated process is "/sbin/init". Can anyone help me by explaining why this issue happens and how I can avoid to start an acpid process manually every time I boot the device?

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• redirecting subdomain to root index.php

  - by niku

  I am new to this. Here is the situation and wondering if someone can suggest best solution to it. I have domain "www.mydomain.com" where I have magento website running, we are in development stage so I did URL forwarding "www.mydomain.com" to "www.mydomain.net" and we have under-construction page on "www.mydomain.net'. Because we do not want to show development. I also have subdomain "beta.mydomain.com" which I pointed to "www.mydomain.com/index.php" which works fine. But how can I show this without changing URL in browser from "beta.mydomain.com" to "www.mydomain.com/index.php" this we want to show our development to management.

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• Size mismatch error while downloading packages [closed]

  - by Nammi-namm

  I've been having this annoying problem lately since I upgraded from Linux Mint 9 to Ubuntu 12.04. It started when I was installing VLC from the Ubuntu Software Centre a few weeks ago. I kept getting this error with packages with "Size mismatch". This happened with many other programs later on. I just got around it by downloading the packages separately and installing them that way. Now I get two updates for packages I installed in that manner. I tried changing from where I download the packages, it didn't change anything. If anyone can help me with my issue it would be splendid. Screen shot below: http://i1078.photobucket.com/albums/w499/Nammi-namm/Screenshots/Screenshotfrom2012-07-02035645.png

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• Introduce unit testing when codebase is already available

  - by McMannus

  I've been working on a project in Flex for three years now without unit testing. The simple reason for that is the fact that I just didn't realize the importance of unit testing when being at the beginning of studies at university. Now my attitude towards testing changed completely and therefore I want to introduce it to the existing project (about 25000LOC). In order to do it, there are two approaches to choose from: 1) Discard the existing codebase and start from scratch with TDD 2) Write the tests and try to make them pass by changing the existing code Well, I would appreciate not having to write everything from scratch but I think by doing this, the design would be much better. What would you advise me to do? Thanks for replies in advance! Jan

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• Samba user does not have folder read permission

  - by user289455

  I have set up a special user for read only samba shares. I set him up in Samba and as a system user. I shared a couple of folders but that user cannot access them. I know samba is working because I also shared them with the main user of the system which is an admin account and it works fine. How can I allow this user to have read permissions on all the directories I want to share without changing anything for any other users of the system? For example, I don't want to give him ownership of any of the files/directories. Just ongoing recursive read access. ongoing recursive is important. If someone adds a file or directory, I still want him to automatically be able to read it.

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• How to limit concurrent file access on a Samba share?

  - by JPbuntu

  I have a Ubuntu 12.04 file server running Samba. There are 6 windows machines that access the server, as well as two people that will occasionally access files remotely. The problem that I am having is that the CAD/CAM software we are using doesn't seem to request file locks, meaning if two people open a file at the same time, the first person to close the file will get their changes overwritten if the second person saves the file. I tried changing the smb.conf to strict locking = yes but this doesn't seem to have any effect. File locking with excel seems to work fine, so I know that Samba is using the file locks...if they were put on the file in the first place. Is there a way (either in Samba or Ubuntu) to only allow one user to have a file open at a time? If not does anyone have any suggestions for managing a problem like this?

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• Making sub domain the new main domains for ssl

  - by Dean Legg

  What would be your best advise for changing your main domain to a sub domain? Are site used to be example.co.uk but has now changed to https://secure.example.co.uk/. Any example.co.uk url's re-direct to the new secure domain. Effectively the example.co.uk is now just there to redirect any links and is no longer part of the sites url structure. I have added a new domain to Google Webmaster https://secure.example.co.uk/ and added the site map. Waiting for it to be indexed. Is there anything else you would advise and will this take away a lot of the juice from all the links I developed for example.co.uk? Guessing this is not best practise as I have struggled to find any information online based on this subject.

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• Correct process for creating builds reliant on 3rd party packages

  - by Patrick

  I work on a Symfony 2 codebase. We use a number of third-party packages (most are in the Symfony Standard Edition). We use composer for dependencies. We current have all of our third-party code committed in our repository (after changing .gitignore files) to ensure stability. According to Proper Programming Practices™, we are not supposed to have any third-party packages in our repo. We are supposed to pull them down and include them at build time. How are we to do proper QA and debugging when at any given time our dependencies could push an update that breaks functionality?

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• Startup value for Win7

  - by Mike

  Problem at a glance: For Win 7, Ubuntu One changes the startup value to enabled whenever I run it More Details: If I change the startup value in: Control Panel System and Security Administrative Tools System Configuration Startup to disabled for Ubuntu One (since I don't want it to start when I log on), it succesfully stops Ubuntu One from starting at logon However, if I start the Ubuntu One manually, it changes the above startup value to enabled. Is there a way to prevent Ubuntu One from changing its startup value? I want it to stay disabled. I haven't found anything relevant in Ubuntu One's settings dialog.

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• OpenGLES 2.0 gluunProject

  - by secheung

  I've spent more time than i should trying to get my ray picking program working. I'm pretty convinced my math is solid with respect to line plane intersection, but I believe the problem lies with the changing of the mouse screen touch into 3D world space. Heres my code public void passTouchEvents(MotionEvent e){ int[] viewport = {0,0,viewportWidth,viewportHeight}; float x = e.getX(), y = viewportHeight - e.getY(); float[] pos1 = new float[4]; float[] pos2 = new float[4]; GLU.gluUnProject( x, y, 0.0f, mViewMatrix, 0, mProjectionMatrix, 0, viewport, 0, pos1, 0); GLU.gluUnProject( x, y, 1.0f, mViewMatrix, 0, mProjectionMatrix, 0, viewport, 0, pos2, 0); } Just as a reference I've tried transforming the coordinates 0,0,0 and got an offset. It would be appreciated if you would answer using opengl es 2.0 code. Thanks

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