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• Is it possible to procedurally place objects in a non-gridded game?

  - by nickbadal

  I'd like to implement procedural world generation, but I don't want it to look gridded or blocky, where everything is obviously placed on an integer grid. I know that you can do this in gridded worlds by inputting a square's x and y into a noise function, or similar, but is it possible to generate a more natural looking object placement using procedural methods? This is in the context of an adventure game, if it matters. Edit: I guess I should have been a bit more clear in my original question, but I'm mostly wondering about the actual placement of objects in game, e.g. trees, buildings.

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• There was an error getting information about "/" while copying to desktop

  - by user206320

  Currently running Ubuntu 13.10 after a fresh install/re install due to this problem. The error occurs whenever I try to drag a file from the Ubuntu search( in the launcher ), to the desktop. the whole error message is as follows... "Error while copying. There was an error getting information about “/”." Show more details reveals the following... "The specified location is not supported" I don't understand the problem and can't see any clear way of fixing it. Any and all advice would be appreciated. :)

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• How to create website shortcuts on the desktop / in a folder using Chrome?

  - by it's me

  Help with something really basic, which I am unable to figure out. In Windows creating a shortcut (link) for a website is as easy as dragging-and-dropping the favicon/address bar to the desktop or a folder. I tried the same in Ubuntu (Chrome browser), but it's not working. The web page is being saved as a file, but not as a link/shortcut. Am I missing something or is there no way to quickly create shortcuts to web pages/web sites without installing some app for that? If the above is true, is there an app that does what I need? I hope I am clear enough.

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• Is ROA a specific form of SOA?

  - by JohnDoDo

  I have read somewhere that ROA (Resource Oriented Architecture) is SOA (Service Oriented Architecture) with specific constraints added. SOA is the abstract term and that ROA is an implementation of SOA with all of the constraints of RESTful services (SOA = concept, ROA = concept + implementation details). I also had my share of posts saying that ROA is REST and that SOA is SOAP and going into the same more or less pertinent comparisons between the two (SOAP and REST that is) etc etc. So just to clear up my confusion: Is ROA a specific form of doing SOA?

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• Visual C++, CMap object save to blob column

  - by ilansch

  I have a MFC CMap object, each object stores 160K~ entries of long data. I need to store it on Oracle SQL. we decided to save it as a blob. since we do not want to make additional table. we also thought about saving it as local file and point the SQL column to that file, but we rather just keep it as blob on the server and clear the table every couple of weeks. The table has a sequential key as ID, and 2 column of time. I need to add the blob column in order to store on every row that CMap. Can you recommend a guide to do so (read/write Map to blob or maybe a clob) ? Thanks.

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• Don’t Panic! Hides Applications, Erases Browser History, and More

  - by Jason Fitzpatrick

  Don’t Panic! is a free and portable Windows application that makes it easy to quickly hide windows, clear document and browser history, and otherwise mask your goofing off. It includes options for hiding and closing applications, clearing browser history as well as recent clearing the Recent Documents menu and the Recycle Bin. Application closure/hiding is governed by as simple blacklist; populate the blacklist and hit the panic button (or the user-customizable panic button shortcut, CTRL+P by default). Don’t Panic! is free portable application, Windows only. Hit up the link below to read more and grab a copy. Don’t Panic! [Portable Apps] How To Make a Youtube Video Into an Animated GIFHTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear Monitors

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• Where does Rails get it's datetime for creating records?

  - by gwapEs9

  I have a rails app with a data model called 'jobs' and i'm faced with a critical design choice crossroads. I don't know enough about Rails and it's inner workings to be able to say for sure what I should do despite a complete read of the rails and ruby docs. I want to be able to accurately display the age of a job record in days. So when a customer logs in, they can see that the job they submitted is 'x' days old. Where does a rails app on Heroku get it's time stamps? From Heroku? or the customers system clock? If a customer has a out of date system clock and submits a job, it could really mess up the sorting of their job list, not to mention me the overseer of job records. Any advice out there? EDIT: Just to be clear, i'm not asking how to list jobs by their date, but to which clock does a rails app on Heroku base it's records.

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• Philosophy of scroll bars [closed]

  - by Parkhid

  Please suppose I want to design my own text editor . simply like notepad. Without using any richtextbox or other controls LIKE EDIT in C++. Main Handle is just a window in C++ or usercontrol in C#. The Question is here for scrolling option , how can I perform scrolling when user is typing. I mean vertical scrolling here . What is Philosophy of works of scroll bars in C++ windows or C# user controls ? Should I Clear the (Usercontrol or Window) When User reaches to end of (Usercontrol or Window) and then Put caret on start of (Usercontrol or Window) ? What about scrolling with thumb or hand scrolling ? How can I find the Text Position which scroll to ?

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• Will javascript be in the HTML5 standard

  - by Robz

  I'm pretty new to the web development scene, and I just want to be absolutely clear on this because I've read a few conflicting statements. I was under the impression that "html5" is a particular way of constructing xml to represent data for a webpage and "javascript" is a programming language that runs as client-side code in the browser. But left and right I see APIs for javascript (workers, geolocation, local storage, etc.) being referred to as an "html5 technology". Wikipedia says that html5 doesn't have a standard yet, so I can't look it up to see if it somehow mandates stuff about javascript. So will APIs for javascript somehow be apart of the html5 standard? Or has it become a common bad practice to label javascript APIs "html5 technology"?

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• How do I swap two objects in a GC language without triggering GC?

  - by TenFour04

  I have two array lists. that I want to swap each frame. My question is, does the variable 'temp' need to be a member variable to avoid triggering GC, assuming this method is called on dozens of objects each frame? I'm not creating a new object, just a new reference to an object. public void LateUpdate(){ ArrayList<int> temp = previousFrameCollisions; previousFrameCollisions = currentFrameCollisions; currentFrameCollisions = temp; currentFrameCollisions.clear(); } I've been told there's no reason to make a primitive into a member variable just to avoid GC, so my best guess is that this also applies to object references.

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• Interface design where functions need to be called in a specific sequence

  - by Vorac

  The task is to configure a piece of hardware within the device, according to some input specification. This should be achieved as follows: 1) Collect the configuration information. This can happen at different times and places. For example, module A and module B can both request (at different times) some resources from my module. Those 'resources' are actually what the configuration is. 2) After it is clear that no more requests are going to be realized, a startup command, giving a summary of the requested resources, needs to be sent to the hardware. 3) Only after that, can (and must) detailed configuration of said resources be done. 4) Also, only after 2), can (and must) routing of selected resources to the declared callers be done. A common cause for bugs, even for me, who wrote the thing, is mistaking this order. What naming conventions, designs or mechanisms can I employ to make the interface usable by someone who sees the code for the first time?

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• Moving from mock to real objects?

  - by jjchiw

  I'm like doing TDD so I started everything mocking objects, creating interface, stubbing, great. The design seems to work, now I'll implement the stuff, a lot of the code used in the stubs are going to be reused in my real implementation yay! Now should I duplicate the tests to use the real object implementation (but keeping the mocks object of the sensitive stuff like Database and "services" that are out of my context (http calls, etc...)) Or just change the mocks and stubs of the actual tests to use the real objects....... So the question is that, keep two tests or replace the stubs, mocks? And after that, I should keep designing with the mocks, stubs or just go with real objects? (Just making myself clear I'll keep the mock object of the sensitive stuff like database and services that are out of my context, in both situations.)

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• Today's The 4:30 movie: Java vs. C++

  - by hinkmond

  Here's a slide show that's paraphrasing Cameron Purdy's presentation on how Java technology has and hasn't supplanted C++. See: Why Java Has/Hasn't Won vs. C++ Here's a quote: This eWEEK slide show borrows from Purdy’s arguments and looks at 10 reasons Java was able to supplant C++, as well as five reasons or areas it was not. It's like Godzilla vs. Mechagodzilla. Can there really be a clear winner? Well, stick around and watch Godzilla vs. Mechagodzilla II on tomorrow's The 4:30 movie as Monster Week continues on WABC, and find out... Hinkmond

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• How would you tackle a pattern-finding program?

  - by Neil

  Just to be clear, I don't think this should be question better suited for stackoverflow.com simply because there's not a single answer but a wide range of possible solutions, making this question far more subjective in nature. I was curious how you guys would tackle a pattern-finding program, which is to say I'd do the following operations: I enter in some input. Program predicts my next input based on all previous inputs. Rinse. Repeat. Since the amount of input I could provide is so varied, including empty strings, conventional means such as switches or regular expressions are out, since it would require you to have an inkling of information about what to expect. I was thinking about some form of genetic algorithm, yet even then I don't have a clue as to how to approach a problem of this caliber. I think some feedback mechanism would be necessary as well as to let the program know how close it was. Anyone had to do a similar type program before?

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• eth0 not working on startup

  - by user4106

  Hi to all, This might sound strange but, working with my Lubuntu 10.04 i've experienced troubles when connecting to my eth0 newtwork. After some googling, i've found out that by writting in the CLI the following command: mii-tool eth0 -F 10baseT-FD and activating the eth0 in the toolbar (by clicking "activate eth0") everything works just fine. Well, up to now, i did not have any problem, because every time i turned on the computer i had to do this, but it was very little effort.But now, i would like to use the machine as a file server, accesing it by ssh, without monitor or keyboard. So, i won't be able to make this actions, and can't do this at startup because mii-tool needs root permissions. So, the question is: Do you know what does that command do, and how can id make that change permanent? Or do you know any other solution for my problem? I hope i was clear! If not, tell me and i'll try to be as clearer as possible. Thanks in advance!

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• Capslock as modifier key for AutoKey

  - by nil

  I want to use Capslock as a modifier key for AutoKey shortcuts, and I've successfully remapped it to its own custom key using the terminal command xmodmap -e 'clear Lock' -e 'keycode 66 = F13'. However, AutoKey seems to only allow the modifiers Ctrl Shift Alt Super when setting shortcuts. As a work-around, could I somehow define the shortcuts within the script itself? Would this even be the most efficient work-around? P.S. I found a relevant page, though I'm not exactly sure how to implement it. P.P.S. I found a cheap way to do this by mapping Capslock to Shift+Alt and then setting all appropriate shortcuts in AutoKey with the modifier Shift+Alt. However, I'd really prefer having Capslock as its own modifier. Any help would be appreciated.

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• Designing a single look up entity

  - by altsyset

  In almost every application you have this look up entity that provides a dynamic references. This are things like type, category, etc. These entities will always have id, name, desc So at first I designed different entities for each look up. Like education_type, education_level, degree_type.... But on a second thought I decided to have on entity for each of these kinds of entities. But when I am done with the design and check the relation this entity will be referenced by almost all entities in the system and I don't believe that is appropriate. So What is your take on this? Can you give me some clear pros and cons?

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• Is it better to use preprocessor directive or if(constant) statement?

  - by MByD

  Let's say we have a codebase that is used for many different costumer, and we have some code in it that relevant only for costumers of type X. Is it better to use preprocessor directives to include this code only in costumer of type X, or to use if statement, to be more clear: // some code #if TYPE_X_COSTUMER = 1 // do some things #endif // rest of the code or if(TYPE_X_COSTUMER) { // do some things } The arguments I can think about are: Preprocessor directive results in smaller code footprint and less branches (on non-optimizing compilers) If statements results with code that always compiles, e.g. if someone will make a mistake that will harm the irrelevant code for the project he works on, the error will still appear, and he will not corrupt the code base. Otherwise he will not be aware of the corruption. I was always been told to prefer the usage of the processor over the usage of the preprocessor (If this is an argument at all...) What is preferable - when talking about a code base for many different costumers?

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• confusion understanding the fluid 2 column navigation layout

  - by Jason Madux

  I'm trying to understand the following cross-browser layout: http://matthewjamestaylor.com/blog/perfect-2-column-left-menu.htm but I'm having some confusion with some of its parts and there isn't enough information on the page or in the css comments to help me. What is the purpose of the .colleft div? Why can't the 2 columns be directly under the .colmask container? Why does the .colleft div have a right 75%? I don't understand its purpose/benefit. Why don't the widths of .col1 and .col2 add up to 100%? How was left:102% calculated for .col1 and left:6% for .col2? The comments for this are not very clear to me. How is it any different from not even specifiying a left/right css property?

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• Develop for Desktop and Mobile at once

  - by Hola Soy Edu Feliz Navidad

  I need to develop a programm that is going to read some information from a special USB device and access information via Web Socket (socket.io preferred). My client wants to deploy this app on Mac OS X, Windows, Android and iOS. I was looking for development softwares valid for both: Desktop and Mobile, but it is still not clear for me and that´s what I found. Unity - Looks very good but to create a native plugin for reading from the device it lloks like I need the PRO edition. Adobe Air - Looks good but I´m not sure if I can write Native Plugins for all wanted platforms. LiveCode - Still inmature (lots of bugs) and I don´t know if it is possible to write native plugins for my device. Is there any other good platform for my case? What´s your option?

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• What do I need to do when installing old version of ubuntu on new arch platform?

  - by Blangero

  I got a board with aptio cpu which is said to be of new platform and may have driver problems while using old version of ubuntu, and it do have. After installing my customized Live ubuntu server with X(the system runs as a liveCD), X starts but failed to get right resolution. If I run ubiquity in the live system to install the system to my disk, I can't start X and the whole console was a mess.Tried connect from ssh and upgrade, failed to solve the problem. Install ubuntu 12.04.2 desktop, at bootup the text was a mess, X starts and still could not get the right resolution. Install ubuntu 14.04 server, at bootup the text was also a mess, but it turned clear and the resolution is right. So what else do I need to provide? CPUInfo ? lspci -nn | grep VGA ? anything else? And what's the problem? What can I do to support the newest arch in my customized system? Thanks

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• Which is the best low/mid level GPU in terms of compatibility for 12.04 and 12.10?

  - by Ghost

  I'm tired of dealing with the disaster that is catalyst on a 4xxx IGP and I want to buy some discrete graphics that support both Unity and alternative environments like GNOME3 and Mate-Cinnamon without getting sluggish. Besides that, 1080p video and some light 3D gaming. Again nothing crazy, I'm not a designer and I wont be using stuff like Blender. One thing I want to make clear is that I want a GPU that is 100% compatible, that means no bugs, no glitches, not having to toggle between propietary and Xorg because it decided to crapout on me. Thanks for your help

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• Deals Well With Ambiguity

  A while ago I was talking with my manager at the time about traits that we value in a Program Manager. He related an anecdote about an interview he gave where it became clear that the candidate did not deal well with ambiguity. This is an important trait for nearly every job, but especially for PMs as projects can often change on a dime and its important understand how to make progress amidst ambiguity and eventually drive towards resolving ambiguity. Lately, Ive been asking myself the question,...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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• GPL exception that allows linking to free licenses only?

  - by fNek

  There is the GPL license and the linking exception which allows closed-source programs to use the program as a library. There is also the slightly more restrictive LGPL (more restrictive than GPL with exception since it requires that the user can change the library in the resulting project, etc.). And there is the Cygwin exception that allows linking to open source programs. I see clear advantages: Open-Source programs may use the library. People may use these programs for closed-source programs, but then they lose the permission to use the (GPL) library. However, there are two things I don't like about the Cygwin exception: - Its legal status is disputed - I keep hearing that it is basically worthless - It requires certification by the OSI, I would rather have certification by FSF Is there an exception to the GNU General Public License that meets my requirements?

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• How can I apply Readme Driven Development to an ongoing project?

  - by Metalcoder

  I'm assigned to a project where the goal is to update an existing software. This software was developed in a totally ad hoc manner, which means that any documentation generated is outdated, confused and just plain useless. I do not want to retroactivelly produce all the missing artifacts, since this would just be a waste of time. The code base is ugly, and really need some serious refactoring, but this is another story. What I want is to apply Readme Driven Development to guide this project. So, basically, I want to write a Readme, which will document every change meaningful at the user level. The problem is, I have no idea about how to structure this document. For me, it's pretty clear that it should have a different layout than the traditional Readme. I really want to document changes, and not the current state of affairs. Any ideas?

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