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• Start Programming embedded devices

  - by user1611753

  I am good at C programming and also I am good at embedded devices. I have setup an embedded circuit myself using the basic arduino and by interfacing some devices with it. But the main problem is that I do not know where and how to start programming this device with the known C programming skills. The device has an on chip boot loader. By "start programming", I mean how to bring the embedded device into my programming and stuff. I know program starts from a main() and an infinite loop makes the application run. But the real question is, how to start this all and integrate the hardware with the software which I write. Kindly help with this. Thanks for the help in advance.

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• STL for games, yea or nay?

  - by munificent

  Every programming language has its standard library of containers, algorithms, and other helpful stuff. With languages like C#, Java, and Python, it's practically inconceivable to use the language without its standard lib. Yet, on many C++ games I've worked on, we either didn't use the STL at all, used a tiny fraction of it, or used our own implementation. It's hard to tell if that was a sound decision for our games, or one simply made out of ignorance of the STL. So... is the STL a good fit or not?

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• Can I safely remove pre-installed software in Ubuntu 13.10?

  - by Andzt

  I uses a lots of Google Apps Product in my Laptop, Tablet and Mobile. Since I never use all pre-installed software in Ubuntu, can I remove it? E.g like: LibreOffice | I use Google Doc etc. RhythmBox | I use Google Play Music Thunderbird | I use Gmail, don't like client Videos | Watch online Messaging | Hangouts And other softwares like Remmina Client, BitTorrent Client. Can I simply remove it in Ubuntu Software Centre? I like my Laptop clean and having unmessy software that I never use. I normally use Chromium Browser to do all the stuff, I think I am heavy user of Google, and love the simplicity of Ubuntu. Lol! Can anyone tell or guide me? Thanks!

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• 13.10 suspend kills wifi

  - by ser

  i tried to post to this thread Hardware wireless switch has no effect after suspend and 13.10 upgrade for if i understand their question i am having the same problem but the answer option won't work for me and maybe i am not supposed to post there anyway, i dunno lol...ack when i come out of suspend, the wireless is disconnected with the only way to get it to reinitialize/be recognized is to do a full restart. at first i thought it was my gnome shell (for lock screen disappeared there with 13.10) but when i switched to the default ubuntu it's still doing it and it's kinda driving me nuts for i have to reopen all my files and browsers/tabs/windows everytime. i'm only a geekling so i don't know how to show the terminal stuff the above asker shows, but it sounds like the same issue and it only started with 13.10 upgrade a few days ago. any help would be much appreciated!!! thanks so much ser

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• How does a linked library combined with the main executable program file interact with a kernel?

  - by I ask Questions For a Reason

  I was attempting to find an answer to this, and I did to some degree, but definitely not anywhere good enough to form a respectable, sensible and clear answer. If I am using Windows, Mac, Linux, or nearly any modern made OS for desktop IBM-compatible PCs, laptops, even tablets and smartphones, there's virtual memory. Clearly, compiling, at least on Windows I know this, an executable object file, such as a simple C "Hello World" output to a terminal, will be linked with the standard library, and several other Window's system software, dynamic linked libraries, and the like. However, how does linking all of these executables together or resources form a connectable interaction with, say, a device driver or any other stuff on the lower level?

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• can we make skype video hover like the windows version?

  - by Skypefan

  Oke my question is simple, My parents have a windows pc, and have skype on it. and when they are on skype they can go on the internet and still have a small video hovering over their browser and keep doing two thinks. I just want to know if there is a way to do this with ubuntu skype. or if someone can write a code or something to make this possible (I don t know much about programming and stuff) but i was just thinking :p I think a lot of people would love that function. thanks for reading!

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• What is the reason why some websites are hacked? [closed]

  - by adietan63

  I just want to know. What is the reason why some website are hacked? Is it the website itself or is it the web server? I'm so curious about this because i want to develop my website and I just want to know what are the things I need to do to protect my website? Assuming that i will start it from the scratch. Please give me advice or other technical stuff that will open my mind to developed my website that has security features.. Thank you.

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• What should a system architect know? [closed]

  - by marko

  What does the title System Architect really mean? What do you need to know to be a system architect. Do you need to know design patterns or something like that? At work we have a couple so called "System Architects". They do the same stuff as we developers, but the distinction are that they are older and thus has more experience and knowledge of the business domain we work in. But I'm not really seeing the architecting side of work really...

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• Generating CMakeLists.txt

  - by vanna

  I got a bunch of C++ sources files and headers. They may use external libraries such as Boost e.g. I am interested in the process of building binaries for Windows and *nix. Makefiles (*nix) and .vcproj (Windows) call compilers with some specifications such as the order of compilation, compilation options and stuff. CMakeLists.txt can be used by CMake to build either makefiles or .vcproj and use very helpful commands such as recursive search of files, automatic linkage with known libraries, installers, variables that can be used in source files... Is there any existing tool that would generate a CMakeLists.txt from specified options ? Options could be like : scan this folder and make a library out of it, then scan this other folder and make an executable and automatically link both with Boost as well along with a user friendly installer with generated INSTALL.txt and README.txt. Something very powerful like that.

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• Can I randomly generate an endless road?

  - by y26jin

  So suppose we stand on a position(x0, y0) of a map. We can only move on the horizontal plane(no jump and stuff) but we can move forward, left, or right (in a discrete math way, i.e. integer movement). As soon as we move to the next position(x1, y1), everything around us is generated randomly by a program. We could be surrounded by one of mountain, lake, and road. We can only move on the road. The road is always 2D as the map itself. My question is, are we able to play this game endlessly? "End" means that we come across a dead end and the only way out is to go backward.

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• Googling query from anywhere

  - by Shagun

  Some times when I am trying out stuff on my terminal, I get some blockade or some error to resolve which I have to copy the error or last message then open my browser and then Google the query. Is it possible for me that I select the message via mouse and when I right click I get a Google it option as I get when I select some text on a browser? PS : I am not asking how to do Google search via terminal or how to browse web via terminal.These were the results I got when I goggled my question. what I want is something more general. Whenever I select a piece of text I should get a "Google me" option with the right click of my mouse(or maybe with pressing of a key or something). I would prefer that the query takes place in a browser and not in a terminal.

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• Can you run OpenGL 2.0 on modern machines?

  - by thePalindrome

  I'm looking to get into 3d with OpenGL, using SDL to help with other stuff. I found plenty of good tutorials (lazyfoo is a big one), but "Learning Modern 3d Graphics Programming" uses a newer version of openGL that I'm not able to run! I opened up OpenGL extensions viewer, and I can only run OpenGL 2.0, whereas most tutorials are in higher versions. I ask this because I've heard that just about everything in 2.* got depreciated in the newer versions, so I'm worried that my code might not work. I'm looking at a few other tutorials, but I'm so used to SDL that those just confuse me... So should I bother trying to do graphics programming now, or should I just wait until I can upgrade my computer?

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• Partition table nonresponsive during instal

  - by SunGold

  I started a Ubuntu install, but the impetuous teenager (IT) at the controls "did stuff" that resulted in an install failure. We had arrived at the partition table. Now, there are no clickable actions in the partition part of the installation. "Install Now" returns the message, "No root file defined." How can I use Ubuntu from CD to make a root file or bootable partition? I've been struggling with the previous screwups by IT for 3-4 days, so I am becoming desperate.

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• loadparm.c:4864, leaking memory?

  - by RandomOzzy

  I’m running Ubuntu 14.04 Server with a LAMP stack, Samba, and FTP, no GUI, just SSHing into the server and working on it. I’m having trouble searching down a solution to this issue, but as far as I can Google for it, it might have something to do with Samba. no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory?? The warning doesn't pop up at any kind of regular intervals or in response to the same or repeated actions. It pops up between things I’m doing - changing directories, editing files, copying stuff, and it often pops up when I first log in. Has anyone got experience fixing this issue?

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• I can't log into my ubuntu 12.04

  - by user292674

  When I try to log in on my Ubuntu 12.04 it goes to a black screen ( of logging in checking stuff ), and says Checking battery ----- [ok] ( I'm using a computer instead of a laptop ) and just goes back to the login screen. Two days before I executed the command sudo startx trying to start KDE, but it didn't work. And after logging off and trying to log in again, I had this problem. A big problem is that I don't have internet connection at home. What should I do?

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• How do I do a game loop in c99?

  - by linitbuff

  I'm having trouble with how to structure a game using c99. I've seen a few tutorials on making a game loop, but they are all done with c++ and classes. My main problem seems to be moving data around between the functions without creating a mess, and what stuff to put in what header files etc. Do I just do something similar to the c++ loops, and create a class-like header with a structure containing all items needed by more than one of the functions, along with the prototypes of said functions, and include the header in each function's header file? Then, in the main function, instantiate the structure and pass a pointer to it to every function in the loop? Is this ok, or is there a better way to do it, and are there any good 'c' specific tutorials available? Cheers

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• 3D primitive rendering library

  - by tomzx

  Hi, I am looking for a library which would easily allow me to render shapes (cubes, spheres, lines, circles, etc.) in 3D3 and OpenGL if possible. I want to be able to rapidly design visual debugging tools and I am not proefficient enough in graphics rendering to do it myself (writing the low level stuff that is). The library would have to be for C/C++. I've already taken a look at the open-source 3d engine, but I feel those are too big for what I really need. Do any of you know if such library exist? If so, links would be appreciated!

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• Bumblebee screwd up my grafics-settings

  - by user104762

  I had my system working pretty good with the external monitor working with the displayport. Unfortunately I felt that I should try to install Bumblebee. It didn't work. The monitor wasn't recognised. So I uninstalled it with the instructions on ubuntus wiki. But it didn't get back to the way it was. And when I copied the Purge-command it started deleting other stuff to, like Cheese and whatnot. I can't get the external monitor to be recognised. If I activate Optimus I get the right settings on my laptopscreen, but no Nvidia-drivers. If I deactivate optimus I get poor resolution on my laptopscreen, and still don't recognise the external monitor. But the Nvidia-drivers show up and can be activated. Why oh why did I have to try to install Bumblebee.

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• HTML5 / Native / C# & Mono [closed]

  - by iainjames88

  My apologies for the subjective nature of this question but I'm unsure as to which path to follow. I would like to do a bit of indie game development for the iPhone (nothing serious, just something I've wanted to pursue). At my university we aren't taught Java or Objective-C but C#/.NET and HTML5/JavaScript. Is it worth taking what I already know and try to accomplish my goal using, for example, C# and Mono or should I invest the time and learn Objective-C? I don't have a problem learning something new alongside my course (I love learning new stuff) and time isn't a factor. I'm slightly in favor of learning Objective-C for as it would be another string to my bow in the workplace, but it would be nice to stay with C# because it is what I'm used to.

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• How can I use LightDM for user-defined sessions?

  - by Philipp

  If I unterstand it correctly, LightDM has replaced GDM per default. I wonder if it's possible to make it run the things I put in my .xinitrc file ... what I need is an option below "Unity" and "Unity 2D" which says "Run a user-defined session". Is that possible? Should be the easiest thing, but I did not get a clue so far. I export and define and run a lot of things in this file, so it's pretty important for me to have control over that. What I do NOT want is a custom session in /usr/some/where, I only want it to run the stuff from each user's xinitrc (or similar).

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• NDC 2010 Day 0

  Today I arrived in Oslo, Norway with a colleague for Norwegian Developer Conference. This is my first visit and the agenda looks very good. Id hoped for a little more diversity and some more local Norwegian heros, but Ill chat with them during the breaks instead (thats where the interesting stuff happens, isnt it). Day [...]...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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• XNA Load/Unload logic (contentmanager?)

  - by Rhinan

  I am trying to make a point-and-click adventure game with XNA, starting off simple. My experience with XNA is about a month old now, know how the classes and inheritance works (basic stuff). I have a problem where I cannot understand how I should load and unload the textures and game objects in the game, when the player transitions to another level. I've googled this 10 times, but all I find is hard coding while I don't even understand the basics of unloading yet. All I want, is transitioning to another level (replacing all the sprites with new ones). Thanks in advance

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• Java EE @ NFJS Central Iowa Software Symposium Des Moines

  - by reza_rahman

  As some of you may be aware I recently joined the well-respected US based No Fluff Just Stuff (NFJS) Tour. The NFJS Central Iowa Software Symposium was held August 8 - 10 in Des Moines. The Des Moines show is one of the smaller ones but still was good overall. It is one of the few events of it's kind that take place this part the country so it is extremely important. I had five talks total over two days, more or less back-to-back. I had decent attendance for all my sessions and had many of the same folks staying for multiple sessions which is always a very good sign. I did talks on Java EE 7/Java EE 8, WebSocket, the Cargo Tracker Java EE Blue Prints, JavaScript + Java EE and NoSQL + Java EE. More details, including slide decks and code as well as my NFJS tour schedule, posted on my personal blog.

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• What is the best way to maintain our programming experiences? [closed]

  - by M3HD1

  Possible Duplicate: how do you remember programming related stuff? During my work experiences, I always met many kind of blocking problems with different technologies. When I remember the efforts I spent to find the solutions I become frustrated and want to find a way to keep all in mind. Generally I keep all the project I made in my Hard Drive, and I usually reuse them when I encounter a problem i already encountered. But this is not to really efficient when you reopen your own code and say: Who is the sucker who wrote this code!? I'm thinking to make my own website in which I can post some tutorials / articles about the problems I met and their solutions. So I keep all in mind and help community. Do you think that it will be a good idea or just a loss of time regarding the actual programming forums?

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• Which C# Book to take?

  - by Fischkopf

  I was searching for a book to learn C#, but now i'm kinda stuck. I found many people asking the same question, and many people gave answers, but there are so many books about C# that it is really hard to decide which one to take. Now i reduced my choice on two books, but I just can't decide between them. Namely, there are: Programming C# 4.0 and C# 4.0 In A Nutshell The first thing I want to know, are these good choices? I'm not completely new to programming, but I just didn't find the right language until know, but i think C# is the one I was searching for. I know all the bassic stuff from Delphi/Java/Python so I think i'm not a complete beginner in programming. Is there anyone out there that read both books and can cleary explain whats the difference between them? I haven't found many reviews and sort of, so I just don't know which one to chose. Or is there any book that is better suiting me?

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