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• Programming language for simple program?

  - by jamherst

  I am wondering about which programming languages people see fit to create a program idea that I had. I am looking to create a fairly simple program whose main functions are adding to, managing, and searching through a database of people, all through a polished GUI. It will be for use in the business world, so I think Windows would be the priority, but Mac and Linux support wouldn't be bad. Also, eventually I would like to add the ability for an instance of one program on a computer to interact with other instances on the same network, mainly through the sharing of a database. Most of my experience is in Java, but I don't particularly like the appearance of Java GUIs, so I'm looking for an alternative. I noticed that a lot of people have suggested C++ or C# in similar posts, so what are some of the advantages/disadvantages of one or both if that is your suggestion. Thanks for any help in advance.

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• How Visual Studio could help to avoid duplicating code?

  - by MegaMind

  I work within a team of developers. Everyone is making their changes without carrying too much if the same thing is already implemented in the codebase. This leads to classes constantly growing and to severe duplication. I want to add line items to class definitions from which a developer could judge what this class has. Would it help? How to do it in Visual Studio? If it wouldn't help, what would be the better alternative to encourage the developers to check if something exists before implementing it?

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• Is this fix for Avast Antivirus crashing safe to use?

  - by TmRn

  Well I have installed avast anti virus on Ubuntu 12.04. But after updating, it crashes! So I have made some tweaks like below: Press Ctrl+Alt+T to open the Terminal. When it opens, run the command below. sudo gedit /etc/init.d/rcS Type your password and hit Enter. When the text file opens, add the line: sysctl -w kernel.shmmax=128000000 Make sure the line you added is before: exec /etc/init.d/rc S This is what it should look like: #! /bin/sh # rcS # # Call all S??* scripts in /etc/rcS.d/ in numerical/alphabetical order # sysctl -w kernel.shmmax=128000000 exec /etc/init.d/rc S Save the file. Reboot. My question is: Did I do anything wrong? I mean as I have made some tweaks, will it lower the security of Avast down like viruses do? Please if you are a programmer check this if it contains bug or harmful intentions... Thanks.

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• Find out which SQL Server instance is consuming most of the CPU

  We have a number of SQL Server hosts with multiple SQL Server instances. From time to time we have CPU issues, but we are not sure which instance is causing the issue. How do you find which SQL Server instance is causing CPU pressure on machine with multiple SQL Server instances? Check out this tip for ideas on how to find the correct SQL Server instance which is causing CPU pressure. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• Read data from a folder in main domain folder (CPanel\WHM)

  - by Memphis Raines

  I have defined a host in my CPanel\WHM server and put all my websites under one host account. The host Main Domain is domain.com, and all other websites are Add-on Domains: domain.com --folder --domain1 --domain2 --domain3 ... The thing I need is that when calling domain.com in browser, the server read files from another folder. for example when call http://domain.com it shows us http://domain.com/folder BUT I don't mean a redirection, I want server do this in background without showing visitors the real path. I couldn't do this with Domain WildCard Redirection because it got error. How can I do this? With htaccess or ... ?

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• Hibernate option doesn't appear in the shutdown menu(s)

  - by pileofrocks

  In 13.04, I enabled hibernation by following these instructions: You can also enable the hibernate option in the menus. To do that, use your favorite text editor to create /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla. Add the following to the file and save: [Re-enable hibernate by default] Identity=unix-user:* Action=org.freedesktop.upower.hibernate ResultActive=yes It worked fine in 13.04, but after upgrading to 13.10, the "hibernate" option no longer appears in the top right corner shutdown/login menu and neither in the menu that comes up when I press the laptop's power button (image here). Yes, I have checked that the the .pkla file is still there untouched. What could be the problem? Hibernate itself still works when I do it from the terminal with pm-hibernate. Edit: similar question: Hibernation is still missing from menu in 13.10 after enabling via polkit. How to enable?

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• How to make game menu Java

  - by Deathsbreed

  I've been searching all over for how to make a game menu, but I haven't found anything useful. I have a very simple Pong like game (source-code here), and I want to add a main menu to it. This wouldn't be too much of a problem if I was making a standalone with JFrame instead of an Applet, but I want this to be available on the web (not downloaded). I might have been able to do some of it myself, except for the fact that it would mean having a very heavy main class (in this case the GNP.java file). So I was thinking, is there a way to basically have a Java Applet and have it use a JFrame and how? and if not, what could I do? Thanks!

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• Can you tell whether I have a hardware or software problem with a DVD-ROM drive?

  - by user8934

  Trying to copy the content of a DVD on a Asrock ION 330 running Maverick, i.e. with: dd if=/dev/sr0 of=dvdcopy ...I get errors in /var/log/messages: Jan 15 17:18:15 asrock kernel: [ 2616.445966] sr 1:0:0:0: [sr0] Unhandled sense code Jan 15 17:18:15 asrock kernel: [ 2616.445975] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Jan 15 17:18:15 asrock kernel: [ 2616.445984] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current] Jan 15 17:18:15 asrock kernel: [ 2616.445994] sr 1:0:0:0: [sr0] Add. Sense: Id CRC or ECC error Jan 15 17:18:15 asrock kernel: [ 2616.446004] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 02 00 00 02 00 I'd tell it is a hardware problem, but it happens with various DVDs and on a second PC, also running Maverick... Both the PCs previously ran Lucid, same problems.

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• Should I force users to update an application?

  - by Brian Green

  I'm writing an application for a medium sized company that will be used by about 90% of our employees and our clients. In planning for the future we decided to add functionality that will verify that the version of the program that is running is a version that we still support. Currently the application will forcequit if the version is not among our supported versions. Here is my concern. Hypothetically, in version 2.0.0.1 method "A" crashes and burns in glorious fashion and method "B" works just fine. We release 2.0.0.2 to fix method A and deprecate version 0.1. Now if someone is running 0.1 to use method B they will be forced to update to fix something that isn't an issue for them right now. My question is, will the time saved not troubleshooting old, unsupported versions outweigh the cost in usability?

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• 3D array in a 2D array

  - by Smallbro

  Currently I've been using a 3D array for my tiles in a 2D world but the 3D side comes in when moving down into caves and whatnot. Now this is not memory efficient and I switched over to a 2D array and can now have much larger maps. The only issue I'm having now is that it seems that my tiles cannot occupy the same space as a tile on the same z level. My current structure means that each block has its own z variable. This is what it used to look like: map.blockData[x][y][z] = new Block(); however now it works like this map.blockData[x][y] = new Block(z); I'm not sure why but if I decide to use the same space on say the floor below it wont allow me to. Does anyone have any ideas on how I can add a z-axis to my 2D array? I'm using java but I reckon the concept carries across different languages.

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• Upgrade php5-gd on 12.04?

  - by metrobalderas

  I'm working with the GD library for image manipulation, to which I need to create some transparent PNGs. Instead, I'm getting a black background. I've looked everywhere on how to generate a blank, transparent PNG canvas with it and all the answers just don't work for me. On further inspection, I'm working with an old GD version: The functions needed to create a transparent PNG requires 2.0.1 altough 2.0.28 or later is recommended. I installed php5-gd with apt-get, and aptitude haven't found new packages. Do I have to add a new PPA? Where can I find it? What about forcing a version? Thanks in advance!

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• Where to start for writing a simple java IDE?

  - by AedonEtLIRA

  I would like to start working on my own custom IDE. The biggest reason I want to work on the IDE is to help me gain an even greater, more intimate understanding of java (and other languages I add into it.) I don't want to do anything super fancy or revolutionary, I'd be happy if I could create something as compact as the BlueJ IDE I used in high school and be content. I have a few question on the specifics of the task that I hope I can get cleared up before I start investing time in this: Is there anything I should be aware of when writing the parser? Does anyone have any pointers that I should be aware of; pitfalls, brick walls or other constraints?

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• Is executing SQL through a WebService a really bad idea?

  - by Kyle

  Typically when creating a simple tool or something that has to use a database, I go through the fairly long process of first creating a webservice that connects to a database then creating methods on this webservice that do all the type of queries I need.. methods like List<Users> GetUsers() { ... } User GetUserByID(int id) { ... } //More Get/Update/Add/Delete methods Is it terrible design to simply make the webservice as secure as I can (not quite sure the way to do something like this yet) and just make a couple methods like this SqlDataReader RunQuery(string sql) { ... } void RunNonQuery(string sql) { ... } I would sorta be like exposing my database to the internet I suppose, which sounds bad but I'm not sure. I just feel like I waste so much time running everything through this webservice, there has to be a quicker yet safe way that doesn't involve my application connecting directly to the database (the application can't connect directly to database because the database isn't open to any connections but localhost, and where the appliction resides the standard sql ports are blocked anyway) Especially when I just need to run a few simple queries

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• Oracle Open World ?? 2012 ???????

  - by user13136722

  ????????????? Oracle OpenWorld Tokyo 2012 | ORACLE® JAPAN ????????·?????????????????????????????????????????????? ?????grep?????????????????????????????????????????? ???????????????????????????????????????XML??DOM???????????? $ curl -s https://oj-events.jp/public/application/add/32?ss_ad_code=|sed 's/\<td\>/tr/g;s/span><br \/>/span>/;s/<div>\[\(.*\)\][<br />]*<\/div>/[\1]/'|w3m -dump -T text/html -cols 512|grep -A 2 '\[ \]' |sed -n '/[0-9]:[0-9]/,$p'|head -20 K1-01 9:00-11:15 ??????????[ ] ?? ENGINEERED FOR INNOVATION ?????????????? -- [ ]S1-03 11:50-12:35 ????????????????????CIO???IT??????????? ????? -- [ ]S1-08 11:50-12:35 ????????????????????????????????? ?????????????? -- [ ]S1-11 13:00-13:45 [??????·????]??????????????????????????????-??????????????????AIST??????????Oracle Exadata ????????? -- [ ]S1-13 13:00-13:45 Oracle WebLogic Server 12c ???????????Java???:???????Java EE??? ????·???????? -- ???????? head ????????????????????????? ???????????? ????????????? 7113 ????????????

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• How should I expand Jenkins to help me release? [closed]

  - by Amy Worrall

  Pushing new Sparkle releases of our internal apps is a pain. I have to make the build, make the release notes file, sign the .zip with the private key, and add a new entry to the appcast file tying everything together. I'd love it if Jenkins could help: use the commit messages for the release notes, and automatically do the rest of it. Should I be looking at writing a new Jenkins plugin, or using shell scripting, or is there something already that will do what I want? (A quick Google didn't find anything.)

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• Launch Specific OEPE Workspace from the Start Menu

  - by user647124

  I frequently have multiple Eclipse-based projects running simultaneously, sometimes on different versions of Eclipse. I have made a mess of a few workspaces by accidentally opening them in the wrong version of Eclipse. To thwart my own forgetfulness, I went seeking a way to launch directly to a workspace and found it at http://stackoverflow.com/questions/209789/starting-eclipse-w-specific-workspace. Essentially, add the -data switch to your icon's open command, such as: C:\eclipse\eclipse.exe -data E:\MyData\Clients\Confidential\EclipseGCDPGive it a unique name and stick it on your Start Menu (C:\ProgramData\Microsoft\Windows\Start Menu). Makes my life a bit easier and hopefully yours, too.

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• Printer Sharing Issue

  - by Sean Webber

  So I set up my printer on 12.10 to share via SAMBA. Windows 'sees' it, it will install it on windows (I have the printer driver installs but it asks for it in Windows default list.. ?), then I can print a test page to the ubuntu printer from Windows. But If I try to print something in Notepad/Wordpad it says 'Printing' but doesn't add it to the "See whats printing" list. If you do it in Google Chrome, however, it works. Any ideas?

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• 2D Topdown Shooter Mouse Movement

  - by Jarmo

  I'm trying to make a topdown 2D space game for my school project. I'm almost done but I just want to add a few little things to make the game more fun to play. if (keystate.IsKeyDown(Keys.W)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * 3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } if (keystate.IsKeyDown(Keys.S)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * -3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } This is what i use to move towards and away from my mouse crossair. I tried to make a somewhat similar function to make it strafe with "A" and "D". But for some reason I just couldn't get it done. Any thoughts?

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• How do I install PHP 5.4.8 on a Win XP workstation?

  - by Cyberherbalist

  I am trying to create a MediaWiki site on my WinXP workstation, and need to install PHP 5.4.8. I have downloaded and unpacked the binaries for PHP, but the install instructions are telling me to "Run the MSI installer and follow the instructions provided by the installation wizard." Unfortunately there is no MSI file provided in the package! Am I missing something? Besides a clue, I mean. Edited to add: I will try to make this clear. I am not going to be able to work with Apache.

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• How to make a table structure for products to be available for both wholesale and retail?

  - by kmy

  Ignoring the different column details like colors, shapes, and sizes, I already have an idea of dealing with that, I'm more interested in dealing with retail pricing, whole pricing (with or without a table), and possibly discount. If anything, I want to know what I should also take account for. Will it just be adding a quantity column, two pricing cols, and two discount columns, and a quantity limit? If I were to add a pricing table it would be inserted as a json file, would this be a bad idea? Please give any insight about this.

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• Google I/O 2010 - Make your app real-time with PubSubHubbub

  Google I/O 2010 - Make your app real-time with PubSubHubbub Google I/O 2010 - Make your application real-time with PubSubHubbub Social Web 201 Brett Slatkin This session will go over how to add support for the PubSubHubbub protocol to your website. You'll learn how to turn Atom and RSS feeds into real-time streams. We'll go over how to consume real-time data streams and how to make your website reactive to what's happening on the web right now. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 5 0 ratings Time: 55:46 More in Science & Technology

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• Keep trying to install always throws error help!

  - by Hector Soto

  So I was installing 12.10 on my Asus g74sx laptop... Did everything the tutorial told me to do yet I keep getting an error saying that there was an error of input/output.. That I should check the hard drive and see if it needs replacement. I tried with 2 DVDs and did format twice my usb to fat 32 and mounted the image file for 12.10... No idea what is going on. Please help! Mmm I cannot add an image... I'll comment with the link to the error!

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• GPL question : web application using Imagick and GhostScript => Which would be the final licence?

  - by sdespont

  I am a bit confusing and I need your help to undertand my problem. I have developed a web application (PHP, JQuery) for one of my customer. Recently, my customer ask me to add a new feature permitting PDF to JPG conversion. After web browsing, I have discovered that iMagick (Apache licence) PHP extension with GhostScript (GPL licence) is the only solution. But, as my customer want to sell the web application to others companies, I have to use non-GPL licences. By the way, this feature is OPTIONAL and the final user must download and install manually iMagick and GhostScript if he his interesting by using the PDF conversion. Is there someone to tell me if the fact to use Imagick to convert PDF to JPG (and therefore use GhostScript) turns my current proprietary licence to GPL? And what about if I don't use Imagick but call GhostScript using PHP exec() function? Is there others non-GPL projects to convert PDF to JPG that I could use with PHP? Any help would be greatly appreciated.

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• Unable to install Steam 64bit - Wrong architecture (Lubuntu 12.04)

  - by Ian

  I'm on a new install of Lubuntu 12.04 on an Acer Aspire 5534 (specifications here, tl;dr: AMD dual-core 64bit) trying to install steam_latest.deb from the Steam website. When I open gdebi to install, it tells me that it's uninstallable because it's for a i386 architecture. I've tried installing ia32-libs (installed, no success), gdebi --add-architecture i386 (with and without --force, command unknown). This is all I've found to fix the problem, but none of it has worked for me. Any suggestions are welcome, thanks for your time.

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• Create many similar classes, or just one

  - by soandos

  The goal is to create an application that has objects that can represent some operations (add, subtract, etc). All of those objects will have common functions and members, and thus will either implement an interface or inherit from an abstract class (Which would be better practice, this will be in C# if that matters?). As far as I can see, there are two different ways of organizing all of these classes. I could create an addition class, a subtraction class, etc. This has the upside of being highly modular but the difference between classes is so minimal. I could create one class, and have a member that will say what type of operation is being represented. This means lots of switch statements, and losing some modularity, in addition to being harder to maintain. Which is is better practice? Is there a better way of doing that is not listed above? If it matters, the list of functions that should be supported is long.

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