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  • How to write good code with new stuff?

    - by Reza M.
    I always try to write easily readable code that is well structured. I face a particular problem when I am messing around with something new. I keep changing the code, structure and so many other things. In the end, I look at the code and am annoyed at how complicated it became when I was trying to do something so simple. Once I've completed something, I refactor it heavily so that it's cleaner. This occurs after completion most of the time and it is annoying because the bigger the code the more annoying it is the rewrite it. I am curious to know how people deal with such agony, especially on big projects shared between many people ?

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  • Is it bad to have an "Obsessive Refactoring Disorder"?

    - by Rachel
    I was reading this question and realized that could almost be me. I am fairly OCD about refactoring someone else's code when I see that I can improve it. For example, if the code contains duplicate methods to do the same thing with nothing more than a single parameter changing, I feel I have to remove all the copy/paste methods and replace it with one generic one. Is this bad? Should I try and stop? I try not to refactor unless I can actually make improvements to the code performance or readability, or if the person who did the code isn't following our standard naming conventions (I hate expecting a variable to be local because of the naming standard, only to discover it is a global variable which has been incorrectly named)

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  • Oracle E-Business Supply Chain Suite Release 12.1.2: Latest & Greatest!

    - by [email protected]
    This week we hosted one of several planned orientation and training sessions for the ASR/ASM sales community.  The purpose of the session was to orient our contact center and marketing associates with the 'hotpoints' of the latest release and to provide a few 'snippets' for the scheduled 'call-down' to the installed base.  Oracle EBS Release 12.1.2 contains some of the most powerful supply chain applications technology available to the industrial, commercial and public sector communities.  They should all be taking advantage of this great capability to drive margins, control costs and achieve compliance.   In today's changing business landscape, organizations need competitive advantage and we see that R12 provides this capability according to our customers leveraging the upgrade.

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  • Can someone explain to me C#'s coding convention?

    - by AedonEtLIRA
    I recently started working with Unity3D and primarily scripting with C#. As, I normally program in Java, the differences aren't too great but I still referred to a crash course just to make sure I am on the right track. However, My biggest curiosity with C# is that is capitalises the first letter its method names (eg. java: getPrime() C#: GetPrime() aka: Pascal Case?). Is there a good reason for this? I understand from the crash course page that I read that apparently it's convention for .Net and I have no way of ever changing it, but I am curious to hear why it was done like this as opposed to the normal (relative?) camel case that, say, Java uses. Note: I understand that languages have their own coding conventions (python methods are all lower case which also applies in this question) but I've never really understood why it isn't formalised into a standard.

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  • Authentication issue with CUPS 5.3.1 on SMB Printer

    - by Julius
    I am trying to print to a samba printer via CUPS. I have configured the printer allright, but there seems to be a problem with authentication. The error message I get is Session setup failed: NT_STATUS_LOGON_FAILURE The GUI also tells me: Idle - Tree connect failed (NT_STATUS_ACCESS_DENIED) It used to work with previous versions of CUPS (1.4.3 and 1.4.6) under Ubuntu 11.04 I am doing this on a clean install of Ubuntu 12.04, CUPS version 1.5.3. I have tried changing some rights relating to apparmor, with no success as described here: http://www.compdigitec.com/labs/2010/01/16/fixing-usrlibcupsbackendsmb-failed-error-in-ubuntu/ I have been working with Ubuntu for years - but this is the kind of problem I need help with.

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  • Dictionary as DataMember in WCF after installing .NET 4.5 [migrated]

    - by Mauricio Ulate
    After installing .NET Framework 4.5 with Visual Studio 2012, whenever I want to obtain the reference from a WCF service, my dictionaries are changed into arrays. For example, Dictionary<int, double> is changed into ArrayOfKeyValueOfintdoubleKeyValueOfintdouble. This happens in both Visual Studio 2012 and 2010 (both Express). I've reviewed my configuration and the dictionary data type in the service reference configuration is System.Collection.Generic.Dictionary. Changing this doesn't make a difference. Reverting to just using Visual Studio 2010 and .NET 4.0 is not an option.

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  • Accessing Exam Results on CertView

    - by Brandye Barrington
    On November 15, Oracle Certification Exam results became available through Oracle's Certification portal CertView. The video above provides a more in depth look at one aspect of this new process. If you need more information this new process, you can view the full announcement on our website. As always, if you need assistance with your CertView account, please contact Oracle Certification Support for additional assistance. YOUR QUESTIONS ANSWERED More Information CertView FAQ: Receiving Exam Scores FAQ: How Do I Log Into CertView? FAQ: How To Get Exam Results FAQ: How Will I Know When My Exam Results Are Available? FAQ: What If I Don't Get An Exam Results Email Alert? FAQ: How To Download and Print Exam Score Reports FAQ: What If I Think My Exam Results Are Wrong In CertView? FAQ: Is Oracle Changing The Way That Exams Are Scored? 

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  • Virtualising Windows 8 on OS X with VMware Fusion above the 8GB limit

    - by mbrit
    tl;dr - don't.VMware Fusion has an 8GB limit, so on my 16GB MacBook Pro (which is an old one with a 16GB memory upgrade), I wanted to use more than 8GB. You can fudge it my editing the .vmx file and changing the memsize value to whatever you want.However it turns out that if you do this the performance on the whole machine turns into a big. It beachballs all over the place, both in VMware and without. Constant hanging of VMware, fan running hot the whole time, etc.This is just an apocryphal view, but having spent a week and a half with it unusable and me thinking I was going to have to go back to Win7, turn it down back to using 8GB exactly seems to be working much more stably.

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  • Multiple problems while installing Ubuntu 13.04 on LENOVO G500 laptop

    - by Balazs Kiss
    Dear Community, I encountered several problems when installing Ubuntu on my new Lenovo G500 laptop. First I bumped in the problem (also reported by many other) of the black screen after booting Ubuntu. This problem I recould solve by changing the "quiet splash" record of GRUB to "nomodeset". Ubuntu install was successful then. After the installation, I had a black screen again when booting up for the first time. I booted up again with "nomodeset", and enabled the external AMD driver at Hardware Drivers. Booting still do not worked (only with nomodeset), and when I log in, the system gives me a "System program problem detected" message, and the system (desktop) does not load in. Please, can you advise me what to do? Shall I re-install Ubuntu? What are the steps to make my ubuntu work with this harver? Hardware: LENOVO G500 with IntelCore i5-3230M 3,2Ghz processor and AMD Radeon HD8570 integrated chip Thank you for your help in advance!

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  • How can I change the default location of content directories (eg Pictures, Templates, Music) in my home folder?

    - by Casey
    I have multiple users on my home desktop. I am content with most of the default user directories, however I would like to make one change. I would like to setup a common directory for Music (ie /home/common/Music/) that is writable to all users and Nautilus/Dolphin/whatever recognizes as the user's Music directory. I know that it would involve changing the xdg user directory setup, but everything I see points that it is relative to the user's $HOME. Is there a way I can specify an absolute path?

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  • full screen flash problems

    - by richzilla
    when i play flash videos from sites such as youtube, the videos initially play ok. However when the videos are full screened, a number of problems arise. Usually when the full screen button is first clicked, the video will take up the full screen, but will be frozen (however the video audio can still be heard). It can take several attempts to get the video to play in full screen. The video is also frozen if something triggers osd-notify (changing the volume, getting a new email etc.). Any ideas what might be going wrong?

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  • Access local email stored on worstation on laptop on lan

    - by crafter
    I have the following scenario with my email : I am using Evolution as my primary email client on my workstation. The evolution mail is downloaded from my mail servers using POP, then deleted from the server. When I am mobile, I access my email on my email server using webmail. My laptop is my primary computer thesedays. The workstation is hardly used. When I am mobile, I am restricted to new email that has not been downloaded onto the workstation I am now looking for a way to access my email from my workstation on my laptop, amlost as if my workstation is my second level email server/ I tried evolution on X display but attachments will browse on my workstation (not ideal as most docs are on my laptop). I am open to changing mail client or installing a service on my workstation. What would be the best way to address this requirement?

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  • Facebook link to facebook.com/company-page doesn't work

    - by Teo
    For the last 2 days I'm trying to find the reason why my previous setup, which was a link to my websites Facebook pages doesn't work anymore. I assume that I mistakenly changed something in the Facebook developer area, but I can't remember what it was. The bottom linked my previously to the Facebook.com/company-page, now the same Bottom links me just to Facebook.com. I guess I saw some redirect in the tab, but I'm not sure since it's too fast changing to Facebook.com. The original link in the footer is correct : <a href="http://facebook.com/company-page " target="_blank" class="facebook_ico"></a>. Any ideas?

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  • How to add menu items in System menu

    - by Leonardo Montenegro
    I want to insert an item to System menu: Help and Support About Gnome About Ubuntu More specifically, I want to insert a new item under "About Ubuntu". Trying with alacarte doesn't work. Cloning "ubuntu-about.desktop" file and changing his attributes doesn't work too (I even rebooted the computer after that). Searching for categories in "/usr/share/desktop-directories" haven't worked too, and searching for "core" and "about" entries in /etc/xdc/menus neither. It isn't as easy as I thought it would be. Anyone have any suggestions?

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  • Convert filenames to their checksum before saving to prevent duplicates. Is is a smart thing to do?

    - by Xananax
    TL;DR:what the title says I am developing some sort of image board in PHP. I was thinking of changing each image's filename to it's checksum prior to saving it. This way, I might be able to prevent duplicates. I know this wouldn't work for two images that are the same but differ in size or level of compression or whatnot, but this method would allow for an early check. What bugs me is that I never saw this method implemented anywhere, so I was wondering if there is a catch to it. Maybe it is just more efficient to keep the original filename and store the hash in DB? Maybe the whole method is just not useful and my question is moot? What do you think? On a side note, I don't really get how hashes are calculated so I was wondering, if my first question checks out, if it would be possible to calculate the likeness that two images are similar by comparing hashes (levenshtein or something of the sort).

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  • Set up development site on another server/host

    - by Ofeargall
    I'm developing a site for a client. They've got a site now that's hosted at hosting.com. I'm going to move them to my VM hosting solution at edge web but I want to run some tests and have the client approve the site before changing the name servers to the new site/hosting location. How do I make this happen? I'm running a red hat/Apache on linux for the edge web hosting. I don't have control of the domain name (i.e. the client controls that right now). Edgeweb has set up a dns zone for the domain name so that when the time comes to switch we're ready to go. I'm a web developer and I understand the technologies that make a user experience 'work' but I'm unfamiliar with the server jargon and all that so, please be patient. Thanks in advance.

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  • Error when setting Piwik analytics

    - by bertran
    I've uploaded the latest version of Piwik unto my web server, which is hosted by go daddy.com, on a linux hosting plan. I'm setting it up (accessing it from my browser as instructed) and I have the "Piwikinstallation" page open on step 3 (database set-up ) of 9. I don't know what to imput in the field "database server"... the default is the number 127.0.0.1 When I leave that input as is, and click "Next" leaving the gives the error: "Error when trying to connect to database server: SQLSTATE[HY000] [2013] Lost connection to MySQL server at 'reading initial communication packet', system error: 111" and changing that input to "localhost" gives me another error: "Error when trying to connect to database server:SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)"

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  • Elmah

    - by csharp-source.net
    LMAH (Error Logging Modules and Handlers) is an application-wide error logging facility that is completely pluggable. It can be dynamically added to a running ASP.NET web application, or even all ASP.NET web applications on a machine, without any need for re-compilation or re-deployment. Once ELMAH has been dropped into a running web application and configured appropriately, you get the following facilities without changing a single line of your code: * Logging of nearly all unhandled exceptions. * A web page to remotely view the entire log of recoded exceptions. * A web page to remotely view the full details of any one logged exception. * In many cases, you can review the original yellow screen of death that ASP.NET generated for a given exception, even with customErrors mode turned off. * An e-mail notification of each error at the time it occurs. * An RSS feed of the last 15 errors from the log.

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  • How do I customize desktop wallpaper slideshow?

    - by Pithikos
    I spent some time and tried varioues things but nothing works. Here's what I have tried so far(changing the slideshow manually): Making a new folder /usr/share/backgrounds/mywallpapers and add my own background-1.xml in there. Copying a bunch of my own wallpaper files into /usr/share/backgrounds/ Copy /usr/share/backgrounds/Contest/background-1.xml to /usr/share/backgrounds/ I logged out and in and still no changes in Appearance app. I have heard about Wallch but I don't want some app running in the background all the time. I'm not even sure Wallch will work with Gnome 3. I also tryied gnome-3-wp (Gnome 3 Wallpaper Slideshow app) but it just seems broken for Oneiric Ubuntu 11.10. Anyone has a solution?

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  • apt-get update bzip2 errors

    - by Tejas Kale
    I installed Ubuntu 11.10 today on my Lenovo w500. After that when i tried running sudo apt-get update This is the error i am getting. Get:117 http://ftp.jaist.ac.jp oneiric-security/universe TranslationIndex [73 B] 99% [48 Sources bzip2 0 B] [22 Sources bzip2 5,294 kB] 1,983 kB/s 0s bzip2: Compressed file ends unexpectedly; perhaps it is corrupted? *Possible* reason follows. bzip2: Inappropriate ioctl for device Input file = (stdin), output file = (stdout) It is possible that the compressed file(s) have become corrupted. You can use the -tvv option to test integrity of such files. You can use the `bzip2recover' program to attempt to recover data from undamaged sections of corrupted files. I found the following similar question : Errors while updating Ubuntu 11.10 , But the solutions mentioned ( changing the download server, running apt-get clean, apt-get autoclean) and have also tried removing the /var/cache/apt/archives/lists direcotry. As a result of this, I am unable to install any new packages.

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  • How to change eclipse font sizes

    - by David M. Karr
    I'm trying to reduce the font sizes used in Eclipse. I've read several notes talking about how to do this, but none of them have made a difference. Obviously, changing it in Eclipse preferences doesn't do it. The common answers about using "Appearance-Fonts" doesn't work, because there is no "Fonts" tab. I believe I saw one person say that the "Fonts" tab isn't supposed to be there anymore. The next suggestion is to install MyUnity and change the font settings there. That appeared to change the fonts used in other apps, like gnome-terminal and window headers, but it still has had no effect on Eclipse.

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  • SSIS: Building SQL databases on-the-fly using concatenated SQL scripts

    - by DrJohn
    Over the years I have developed many techniques which help automate the whole SQL Server build process. In my current process, where I need to build entire OLAP data marts on-the-fly, I make regular use of a simple but very effective mechanism to concatenate all the SQL Scripts together from my SSMS (SQL Server Management Studio) projects. This proves invaluable because in two clicks I can redeploy an entire SQL Server database with all tables, views, stored procedures etc. Indeed, I can also use the concatenated SQL scripts with SSIS to build SQL Server databases on-the-fly. You may be surprised to learn that I often redeploy the database several times per day, or even several times per hour, during the development process. This is because the deployment errors are logged and you can quickly see where SQL Scripts have object dependency errors. For example, after changing a table structure you may have forgotten to change any related views. The deployment log immediately points out all the objects which failed to build so you can fix and redeploy the database very quickly. The alternative approach (i.e. doing changes in the database directly using the SSMS UI) would require you to check all dependent objects before making changes. The chances are that you will miss something and wonder why your app returns the wrong data – a common problem caused by changing a table without re-creating dependent views. Using SQL Projects in SSMS A great many developers fail to make use of SQL Projects in SSMS (SQL Server Management Studio). To me they are invaluable way of organizing your SQL Scripts. The screenshot below shows a typical SSMS solution made up of several projects – one project for tables, another for views etc. The key point is that the projects naturally fall into the right order in file system because of the project name. The number in the folder or file name ensures that the projects the SQL scripts are concatenated together in the order that they need to be executed. Hence the script filenames start with 100, 110 etc. Concatenating SQL Scripts To concatenate the SQL Scripts together into one file, I use notepad.exe to create a simple batch file (see example screenshot) which uses the TYPE command to write the content of the SQL Script files into a combined file. As the SQL Scripts are in several folders, I simply use several TYPE command multiple times and append the output together. If you are unfamiliar with batch files, you may not know that the angled bracket (>) means write output of the program into a file. Two angled brackets (>>) means append output of this program into a file. So the command-line DIR > filelist.txt would write the content of the DIR command into a file called filelist.txt. In the example shown above, the concatenated file is called SB_DDS.sql If, like me you place the concatenated file under source code control, then the source code control system will change the file's attribute to "read-only" which in turn would cause the TYPE command to fail. The ATTRIB command can be used to remove the read-only flag. Using SQLCmd to execute the concatenated file Now that the SQL Scripts are all in one big file, we can execute the script against a database using SQLCmd using another batch file as shown below: SQLCmd has numerous options, but the script shown above simply executes the SS_DDS.sql file against the SB_DDS_DB database on the local machine and logs the errors to a file called SB_DDS.log. So after executing the batch file you can simply check the error log to see if your database built without a hitch. If you have errors, then simply fix the source files, re-create the concatenated file and re-run the SQLCmd to rebuild the database. This two click operation allows you to quickly identify and fix errors in your entire database definition.Using SSIS to execute the concatenated file To execute the concatenated SQL script using SSIS, you simply drop an Execute SQL task into your package and set the database connection as normal and then select File Connection as the SQLSourceType (as shown below). Create a file connection to your concatenated SQL script and you are ready to go.   Tips and TricksAdd a new-line at end of every fileThe most common problem encountered with this approach is that the GO statement on the last line of one file is placed on the same line as the comment at the top of the next file by the TYPE command. The easy fix to this is to ensure all your files have a new-line at the end.Remove all USE database statementsThe SQLCmd identifies which database the script should be run against.  So you should remove all USE database commands from your scripts - otherwise you may get unintentional side effects!!Do the Create Database separatelyIf you are using SSIS to create the database as well as create the objects and populate the database, then invoke the CREATE DATABASE command against the master database using a separate package before calling the package that executes the concatenated SQL script.    

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  • The Excel Column Name assigment problem

    - by Peter Larsson
    Here is a generic algorithm to get the Excel column name according to it's position. By changing the @Base parameter, you can do this for any sequence according to same style as Excel. DECLARE @Value INT = 8839,         @Base TINYINT = 26   ;WITH cteSequence(Value, Delta, Quote, Base, Chr) AS (     SELECT  CAST(@Value AS INT) AS Value,             CAST(1 AS INT) AS Delta,             CAST(@Base AS INT) AS Quote,             CAST(@Base AS INT) AS Base,             CHAR(65 +(@Value - 1) % @Base) AS Chr       UNION ALL       SELECT  Value AS Value,             Quote AS Delta,             26 * Quote AS Quote,             Base AS Base,             CHAR(65 +((Value - Delta)/ Quote - 1) % Base) AS Chr     FROM    cteSequence     WHERE   CHAR(65 +((Value - Delta)/ Quote - 1) % Base) <> '@' ) SELECT  CAST(Msg AS VARCHAR(MAX)) FROM    (             SELECT        '' + Chr             FROM        cteSequence             ORDER BY    Delta DESC             FOR XML        PATH('')         ) AS x(Msg)

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  • Transition from maintenance programming to design

    - by andrew wang
    What to do people do develop a design for a s/w for a given set of requirements? I like many people joined a Semiconductor MNC and got stuck in maintenance for quite a couple of years. My work was usually changing a lines of code for windows drivers supplied by my company or a couple of small script (style like) C programs for validating h/w. As a result I developed the bad habit of 'programming by coincidence'. I have not developed the ability for designing tools/programs from scratch. I was the only s/w member of the local team and thus some grunt work from the well established other site of the company came to be done by me. Now I have moved to a different company and thus finding developing from scratch very difficult. How do I unlearn my bad habit and develop this ability of designing s/w and then coding it ?

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  • How To Force Windows Applications to Use a Specific CPU

    - by Taylor Gibb
    Channing a process’s affinity means that you limit the application to only run on certain logical processors, which can come in terribly handy if you have an application that is hogging all the CPU. Here’s how to choose the processor for a running application. We’ve previously written about how to create a shortcut that forces an application to use a specific CPU, but this is a way to change it on the fly. Note: For the most part we do not recommend you changing these settings, and to rather let Windows manage them. How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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