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  • HTML5 - check if font has loaded

    - by espais
    At present I load my font for my game in with @font-face For instance: @font-face { font-family: 'Orbitron'; src: url('res/orbitron-medium.ttf'); } and then reference it throughout my JS implementation as such: ctx.font = "12pt Orbitron"; where ctx is my 2d context from the canvas. However, I notice a certain lag time while the font is downloaded to the user. Is there a way I can use a default font until it is loaded in? Edit - I'll expand the question, because I hadn't taken the first comment into account. What would the proper method of handling this be in the case that a user has disabled custom fonts?

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  • Best language or tool for automating tedious manual tasks [closed]

    - by Jon Hopkins
    We all have tasks that come up from time to time that we think we'd be better off scripting or automating than doing manually. Obviously some tools or languages are better for this than others - no-one (in their right mind) is doing a one off job of cross referencing a bunch of text lists their PM has just given them in assembler for instance. What one tool or language would you recommend for the sort of general quick and dirty jobs you get asked to do where time (rather than elegance) is of the essence? Background: I'm a former programmer, now development manager PM, looking to learn a new language for fun. If I'm going to learn something for fun I'd like it to be useful and this sort of use case is the most likely to come up.

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  • What is the difference between all-static-methods and applying a singleton pattern?

    - by shahensha
    I am making a database to store information about the users of my website (I am using stuts2 and hence Java EE technology). For the database I'll be making a DBManager. Should I apply singleton pattern here or rather make all it's methods static? I will be using this DBManager for basic things like adding, deleting and updating User profiles. Along with it, I'll use for all other querying purposes, for instance to find out whether a username already exists and to get all users for administrative purposes and stuff like that. My questions What is the benefit of singleton pattern? Which thing is most apt here? All static methods or a singleton pattern? Please compare both of them. P.S. The database is bigger than this. Here I am talking only about the tables which I'll be using for storing User Information.

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  • FTP won't open a connection to client

    - by Ben
    I am running Windows server 2008 on Ubuntu server 12.04.1 via devstack and I am trying to download a file from an ftp server using the windows command line ftp client. When I run the ftp get command I get the following error message: 500 I won't open a connection to 10.0.0.2 (only to XX.XX.XX.XX) 425 No data connection 10.0.0.2 is the internal IP address of the instance, whereas XX.XX.XX.XX is the external address. Is there anyway to make the ftp client use the external address for the data connection, or alternatively have the client establish the connection? Thanks

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  • What does private cloud Daas or DBaaS really mean ?

    - by llaszews
    Just had meeting with Fortune 1000 company regarding their private DBaaS or DaaS offering. Interesting to see what DBaaS really means to them: 1. Automated Database provisioning - Being able to 'one button' provision databases and database objects. This includings creating the database instance, creating database objects, network configuration and security provisioning. It is estimated that just being able to provision a new DB table in automated fashion will reduce time required to create a new DB table from 60 hours down to 8 hours. 2. Virtualization and blades - DBaaS infrastructure is all based upon VMs and blades. 3. Consolidation of database vendors - Moving from over ten database vendors down to three.

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  • How to create reproducible probability in map generation?

    - by nickbadal
    So for my game, I'm using perlin noise to generate regions of my map (water/land, forest/grass) but I'd also like to create some probability based generation too. For instance: if(nextInt(10) > 2 && tile.adjacentTo(Type.WATER)) tile.setType(Type.SAND); This works fine, and is even reproduceable (based on a common seed) if the nextInt() calls are always in the same order. The issue is that in my game, the world is generated on demand, based on the player's location. This means, that if I explore the map differently, and the chunks of the map are generated in a different order, the randomness is no longer consistent. How can I get this sort of randomness to be consistent, independent of call order? Thanks in advance :)

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  • Microsoft Office 2013 Takes New Approach

    You can check out an article from Computerworld for a good look at the questions and answers about the new software. For instance, you've probably noticed that I'm not giving the full name. That's because Microsoft seems to be using several names. If you go the traditional route and pay the one-time upfront fee for the shrink-wrapped edition, it's Office 2013. There's also a tablet version called Office Home and Student 2013 RT - but that won't include the iPad, or at least not at first. The consumer preview, which I'll be linking to in a minute, is dubbed Office 365 Home Premium. There ...

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  • Assembly as a First Programming Language?

    - by Anto
    How good of an idea do you think it would be to teach people Assembly (some variant) as a first programming language? It would take a lot more effort than learning for instance Java or Python, but one would have good understanding of the machine more or less from "programming day one" (compared to many higher level languages, at least). What do you think? Is it a realistic idea, at least to those who are ready to make the extra effort? Advantages and disadvantages? Note: I'm no teacher, just curious

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  • What are some ways to texture map a terrain?

    - by ApocKalipsS
    I'm working with XNA on a 3D Game, and I'm trying to have a proper and nice environnement. I actually followed a tutorial to create a terrain from a heightmap. To texture it, I just apply a grass texture on it and tile it a number of times. But what I want to do is to have a really realistic texturing, but also generate it automatically (for example if I want to use Perlin noise to generate a terrain and then texture it). I already learned about multi-texturing, loading a map file with different colors for different textures, but I don't think this is really efficient, for instance for cliffs or very steep areas it will tile a texture badly as it's a view from the top. (Also, I don't know how I'll draw roads or dirt paths with that.) I'm looking for an efficient solution to realistically texture mapping procedurally-generated terrain.

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  • UDK : UTWeap_RocketLauncher gift CreateInventory: Any idea why this does not work properly?

    - by John Sloan
    I am giving the player an instanced class of UTWeap_RocketLauncher in an instance of UTGame. PlayerPawn.CreateInventory(class'FobikRocketLauncher',false); // Does not work PlayerPawn.CreateInventory(class'FobikLinkGun',false); // Works Even if I give the original class (eg. UTWeap_RocketLauncher) it does not actually show up. However if I do a "GiveWeapons" cheat, I get it just fine. It also works if I had code it into the map. - But UTWeap_LinkGun works fine either way. Any ideas? It shows the default ammo amount, and the icon on the HUD.

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  • Syncing WM6 <-> Evolution.... opensync-module-python missing?

    - by luri
    I'm trying to install opensync-plugin-synce to sync my wm6 phone with Evolution, but when I try (from synaptic, also with ap-get), is: Depende: opensync-module-python but it is not installable In fact, I haven't found opensync-module-python in repositories. Any hint? Is there any way to sync WM6 and Evolution (preferably without intermediate online syncs as Gmail, for instance)? Update: opensync-module-python exists in the repositories for previous versions of Ubuntu (mine is 10.10).... could I install it from there or would I ruin something? Update: should I mark this as impossible? Seems to be no way to sync WM6 phone with Evolution right now....

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  • XNA GameTime TotalGameTime slower than real time

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

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  • Can we grant sudo to an already opened application?

    - by james
    So, can we grant sudo to an already opened application ? I wish to first open an application as normal user and incase if i need root permissions on it i wish to grant su without restarting the application.. I tried opening an application and then type "sudo appname" in terminal, but that opens a new app window retaining normal user permissions on old app window. Say, i want to check and edit /etc/apt/sources.list . I open a filemanager and go to the path and click on sources.list which opens a text editor with that file in view. If i feel i need to edit that, then i want to grant sudo to that instance of text editor rather than opening a new root text editor and browsing the entire path.

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  • hotkeys do not work sometimes in ubuntu 12.04

    - by stepank
    I use Ubuntu 12.04 with Unity 2D and I've stumbled upon this issue: sometimes shortcut keys stop working in some windows. For instance, I have these windows opened usually: Google Chrome, Terminal, Skype, Pidgin. Sometimes everything is OK and shortcuts work no matter what window I hit them from, however, hotkeys hit from Skype (more often) or Pidgin (less often) do not work, but they still work from Terminal or Google Chrome. Moreover, not all hotkeys are affected, the problem holds only for locking the computer (Ctrl + Alt + L) and other custom shortcuts like executing some command or launching a program (I used zenity --entry with [Super | Ctrl] + [some letter: K, N, etc] for testing). Does anyone have a clue what is causing the problem and how to fix it?

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  • Cocos2d Box2d contact listener call different method in collided object

    - by roma86
    I have the building object, wen it hit with other, i want to call some method inside it. Building.mm -(void)printTest { NSLog(@"printTest method work correctly"); } in my ContactListener i trying to call it so: ContactListener.mm #import "ContactListener.h" #import "Building.h" void ContactListener::BeginContact(b2Contact* contact) { b2Body* bodyA = contact->GetFixtureA()->GetBody(); b2Body* bodyB = contact->GetFixtureB()->GetBody(); Building *buildA = (Building *)bodyA->GetUserData(); Building *buildB = (Building *)bodyB->GetUserData(); if (buildB.tag == 1) { NSLog(@"tag == 1"); } if (buildA.tag == 2) { NSLog(@"tag == 2"); [buildA printTest]; } } NSLog(@"tag == 2"); work correctly, but [buildA printTest]; get error Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[CCSprite printTest]: unrecognized selector sent to instance 0x18595f0' Obviously I'm referring to the wrong object. How i can get different method and property in contacted objects from contactlistener class? Thanks.

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  • Alerts are good, aren't they?

    - by fatherjack
    It is accepted best practise to set some alerts on every SQL instance you install. They aren't particularly well publicised but I have never seen any one not recommend setting up alerts for Error 823, 824 and 825. These alerts are focussed on successful access(IO) to the hard drives that SQL Server is using. If there are  any errors when reading or writing to the drives then one of these errors will be returned. Having the alerts on these errors means that any IO issues will be brought to the...(read more)

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  • Need an engine for MMO mockup

    - by Kayle
    What I don't need is an MMORPG engine, at the moment. What I do need is a flexible easy-to-use engine that I can make a mock-up with. I don't need support for more than 10 players in an instance, so any multiplayer platform is probably fine. I need an engine with which I can create the following core features: Waves of simple AI enemies that have specific objectives (move to point A, destroy target, move to point B). The units present can be between 50-200 in number. An over-the-shoulder view and the ability to control a team of 3 (like Mass Effect or the latest Dragon Age) Functioning inventory system Right now, all I can really think of is Unreal or Source. Any other suggestions? Again, this is a proving mock-up, not an actual MMO. I'm not terribly worried about the visual aspects as we just want to test mechanics. Note: Can write some scripts in Python, Ruby, or Lua, if necessary.

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  • How do you explain commented-out code to a non-programmer? [closed]

    - by whirlwin
    What is the quickest and most comprehensible way to explain to a non-programmer what commented-out code is? When I mentioned it in a conversation to non-programmers, they seemed lost. Such people could for instance be graphical designers, when working on the same team to make an application. Typically I would need to mention what I will be/currently am working with during an update meeting. At first I thought about substituting commented-out with unused code. While it is true to some degree, it is also very ambiguous. If you are wondering, I am working with legacy code with commented-out code. This leads to my question: "how do you explain commented-out code to a non-programmer?"

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  • How do I make a subdomain of a subdomain?

    - by joe
    I have a server that hosts mydomain.com. Then I have a server that hosts subdomain1.mydomain.com. On the subdomain1.mydomain.com server, how do I make subdomains? For instance I want to create subdomain2.subdomain1.mydomain.com I have my subdomain1.mydomain.com site in /home/USER/public_html and it is working just fine. But When I try to create subdomain2.subdomain1.mydomain.com, it says Server not found in the browser. I have tried so many configurations in my /etc/hosts and /etc/apache2/sites-available/subdomain2.subdomain1.mydomain.com, without any luck Can I get some detailed instructions maybe? I have looked everywhere and every place tells you different, with no luck. Ubuntu Server 11.10 w/ the Lamp Stack option

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  • New Development Snapshot

    More bug fixing and rounding out IKVM.Reflection. Changes: Fixed resolution of generic type instance names with "fake" type as type argument. Fixed bug in Finalize/finalize special casing for .NET types that caused exception when reflecting on them. Fixed Finalize/finalize special casing for .NET types to also work for java.lang.Throwable derived types. Removed fake core class library types from ikvmstub and added a -bootstrap...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • ASP.NET Combo Box and List Box Performance Improvements - v2010 vol 1

    Check out this great new performance feature of our ASP.NET combo box and list box controls for the DXperience v2010.1 release. You can now manually populate lists with items based on the currently applied filter criteria. This means that you can significantly decrease web server workload by loading only a subset of all items when working with large datasets. For instance, when using a large data source, you can only request a few records to be visible on the screen. The rest of the items can...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Phantom activity on MySQL

    - by LoveMeSomeCode
    This is probably just my total lack of MySQL expertise, but is it typical to see lots of phantom activity on a MySQL instance via phpMyAdmin? I have a shared hosting plan through Lithium, and when I log in through the phpMyAdmin console and click on the 'Status' tab, it's showing crazy high numbers for queries. Within an hour of activating my account I had 1 million queries. At first I thought this was them setting things up, but the number is climbing constantly, averaging 170/second. I've got a support ticket in with Lithium, but I thought I'd ask here if this were a MySQL/shared host thing, because I had the same thing happen with a shared hosting plan through Joyent.

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  • How to get the Time Difference in C# .net

    - by Aamir Hasan
    A DateTime instance stores both date and time information. The DateTime class can be found in the System namespace.In order to retrieve the current system time, we can use the static property Now of the DateTime class.In this Example i have shown, how to calculate the difference between two DateTime objects using C# syntax. DateTime startTime; DateTime endTime;            startTime = Convert.ToDateTime("12:12 AM");            endTime = Convert.ToDateTime("1:12 AM");            var timeDifference = new TimeSpan(endTime.Ticks - startTime.Ticks);Response.Write("Time difference in hours is " + timeDifference.Hours);Link:http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx

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  • Should I Learn C/C++ Even If I Just Want To Do Web Programming?

    - by Daniel
    My goal is to be able to create online apps and dynamic, database driven websites. For instance, if in the future I get the idea for the next Digg or Facebook, I want to be able to code it myself. To arrive there I think I have basically two paths: Path 1 Start at a basic level, learning C, then C++ for OOP, then algorithms and data structures, with the goal of getting a solid grasp of computer programming. Only then move to PHP/MySQL/HTTP and start working on practical programming projects. Path 2 Start directly with PHP/MySQL/HTTP and getting my hands dirty with practical projects right away. What would you guys recommend?

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  • schema.org specification for generic pages or posts on a CMS

    - by NateWr
    I'm trying to determine the best possible schema.org type to declare for the content section in the template of a content management system, which will handle regular news posts for small, local hospitality businesses. The type should represent the content of that page, which is likely to be a wide range of things. The description for Article pretty strongly encourages its use to be limited to the articles of a publication. For purely semantic reasons, I'm not sure if Blog is appropriate in this case -- businesses won't be creating typical "blog" content but are more likely to be writing about upcoming events, special deals, awards, etc. Would Webpage be appropriate in this instance? Although I'm a fan of the schema.org concept, I frequently find myself unsure how broadly or narrowly I'm meant to infer the meaning of a type. In such cases, is it safe to use a high-level element, such as CreativeWork, or does this blunt the usefulness of the markup?

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