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• Value my C++ knowledge

  - by PirateOwh

  I have only followed antiRTFM tutorials and read 2 books So, I'll list the things I know better : basic input output and all the variables : integers ( signed unsigned ), float, double, char arrays if, for, while, switch functions, and passing variables to functions and return type thing classes and the concept of oop with separating declaration and definition in the header and in the source pointers so this and some more i think is all i know of C++.. But, i need some exercises to test my knowledge because i want to move on to the library SDL, so I don't know if i should feel ready or not to move on to something totally different.. I feel I should know the basics for good at least. So the question is : How can i value my c++ knowledge? Is there any online tests? Is there any GDD ( Game Design Document ) for free to use and see if i can manage to do it so "i'd pass" ? ( I'm saying GDD since ill move on to SDL and try to make my own game ) When should I move to SDL? What are ALL the things I should "master" ( master is a big word to say.. but so you understand what i mean ) before moving on ? Please I'm really in need of expert advice. I think my question is detailed so i hope you understand what i mean and can give me a good reply. Thanks for the help!

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• SourceMonitor Beta Test Version 3.3.2.261 now available

  - by TATWORTH

  Source Monitor is a useful independent utility for producing code metrics. Beta Test Version 3.3.2.261 has been released.Download and test Source Monitor beta (Version 3.3.2.261 - 2.30 MBytes)  via HTTP"The Beta page is at http://www.campwoodsw.com/smbeta.htmlHere is the official description of it>The freeware program Source Monitor lets you see inside your software source code to find out how much code you have and to identify the relative complexity of your modules. For example, you can use Source Monitor to identify the code that is most likely to contain defects and thus warrants formal review. Source Monitor, written in C++, runs through your code at high speed. Source Monitor provides the following: Collects metrics in a fast, single pass through source files.Measures metrics for source code written in C++, C, C#, VB.NET, Java, Delphi, Visual Basic (VB6) or HTML.Includes method and function level metrics for C++, C, C#, VB.NET, Java, and Delphi. Offers Modified Complexity metric option. Saves metrics in checkpoints for comparison during software development projects.Displays and prints metrics in tables and charts, including Kiviat diagrams.Operates within a standard Windows GUI or inside your scripts using XML command files.Exports metrics to XML or CSV (comma-separated-value) files for further processing with other tools.

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• Using 2d collision with 3d objects

  - by Lyise

  I'm planning to write a fairly basic scrolling shoot 'em up, however, I have run into a query with regards to checking for collision. I plan to have a fixed top down view, where the player and enemies are all 3d objects on a fixed plane, and when the enemy or player fires at the other, their shots will also be along this fixed plane. In order to handle the collision, I have read up a bit on collision detection in 3d, as it is not something I have looked into previously, but I'm not sure what would be ideal for this situation. My options appear to be: Sphere collision, however, this lacks the pixel precision I would like Detection using all vertexes and planes of each object, but this seems overly convoluted for a fixed plane of play Rendering the play screen in black and white (where white is an object, black is empty space), once for enemies and once for the player, and checking for collisions that way (if a pixel is white on both, there is a collision) Which of these would be the best approach, or is there another option that I am missing? I have done this previously using 2d sprites, however I can't use the same thinking here as I don't have the image to refer to.

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• Windows Phone 7 v. Windows 8 Metro &ldquo;Same but Different&rdquo;

  - by ryanabr

  I have been doing development on both the Windows Phone 7 and Windows 8 Metro style applications over the past month and have really been enjoying doing both. What is great is that Silverlight is used for both development platforms. What is frustrating is the "Same but Different" nature of both platforms. Many similar services and ways of doing things are available on both platforms, but the objects, namespaces, and ways of handling certain cases are different. I almost had a heart attack when I thought that XmlDocument had been removed from the new WinRT. I was relived (but a little annoyed)  when I found out that it had shifted from the "System.Xml" namespace to the "Windows.Data.Xml.Dom" namespace. In my opinion this is worse than deprecating and reintroducing it since there isn't the lead time to know that the change is coming, maker changes and adjust. I also think the breaks the compatibility that is advertised between the WinRT and .NET framework from a programming perspective, as the code base will have to be physically different if compiled for one platform versus the other. Which brings up another issue, the need for separate DLLs with for the different platforms that contain the same C# code behind them which seems like the beginning of a code maintenance headache. Historically, I have kept source files "co-located" with the projects that they are compiled into. After doing some research, I think I will end up keeping "common" files that need to be compiled in to DLLs for the different platforms in a seperate location in TFS, not directly included in any one Visual Studio project, but added as links in the project that would get compiled into the windows 7 phone, or Windows 8. This will work fine, except for the case where dependencies don't line up for each platform as described above, but will work fine for base classes that do the raw work at the most basic programming level.

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• Discrete Math and Computing Course

  - by ShrimpCrackers

  I was recently admitted into a Computing and Software Systems program (basically software engineering) and one of the first courses I'll be taking is called Mathematical Principles of Computing. The course description: "Integrating mathematical principles with detailed instruction in computer programming. Explores mathematical reasoning and discrete structures through object-oriented programming. Includes algorithm analysis, basic abstract data types, and data structures." I'm not a fan of math, but I've been doing well in all my math classes mostly A's and B's ever since I started two years ago, and I've been doing math every quarter - never took a quarter without math - so I've been doing it all in sequence without gaps. However, I'm worried about this class. I've read briefly on what discrete math is and from what my advisor told me, its connection with computer science is that it has alot to do with proving algorithms. One thing that my instructors briefly touched on and never went into detail was proving algorithms, and when I tried, I just wasn't very good at mathematical induction. It's one of the things that I ignored every time it showed up in a homework problem (usually in Calculus III which I'm finishing up right now). Questions: 1. What can I expect from this class? 2. How can I prepare myself for this class? 3. Other tips? Thank you.

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• Provide A Scrolling "Camera" View Over A 2D Game Map

  - by BitCrash

  I'm in the process of attempting to create a 2D MMO type game with Kryonet and some basic sprites, mostly for my own learning. I have the back end set up great (By my standards) and I'm moving on to actually getting some things drawn onto the map. I cannot for the life of me figure out a solid way to have a "Camera" follow a player around a large area. The view pane for the game is 640 x 480 pixels, and each tile is 32x32 pixels (Thats 20 tiles wide and 15 high for the viewpane) I have tried a couple things to do this, but they did not seem to work out so well. I had a JScrollPane with 9 "Viewpane"-sized canvases in it, and tried to have the JScrollPane move in accordance with the player. The issue came when I reached the end of the JScrollPane. I tried to "Flip" canvases, sending the canvas currrently drawing the player to the middle of the 9 and load the corresponding maps onto the other ones. It was slow and worked poorly. I'm looking for any advice or previous experience with this; any ideas? Thank you! Edit and Clarification: I did not mean to mention Kryonet, I was merely providing peripheral information in case there was something that would help which I could not foresee. Instead of having an array of 9 canvases, why not just have one large canvas loading a large map every once in a while? I'm willing to have "load times" where as with the canvas array I would have none (in theory) to give the user a smooth experience. I could just change the size and location of the map with a modified setBounds() call on the canvas in a layered pane (layered because I have hidden swing items, like inventories and stuff) I'll try it out and post here how it goes for people asking the same question.

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• Jumping Physics

  - by CogWheelz

  With simplicity, how can I make a basic jump without the weird bouncing? It jumps like 2 pixels and back Here's what I use y += velY x += velX then keypresses MAX_SPEED = 180; falling = true; if(Gdx.input.isKeyPressed(Keys.W)) {//&& !jumped && !p.falling) { p.y += 20; } if(!Gdx.input.isKeyPressed(Keys.W)) p.velY = 0; if(Gdx.input.isKeyPressed(Keys.D)) p.velX = 5; if(!Gdx.input.isKeyPressed(Keys.D) && !(Gdx.input.isKeyPressed(Keys.A))) p.velX = 0; if(Gdx.input.isKeyPressed(Keys.A)) p.velX = -5; if(!Gdx.input.isKeyPressed(Keys.A) && !(Gdx.input.isKeyPressed(Keys.D))) p.velX = 0; if(p.falling == true || p.jumping == true) { p.velY -= 2; } if(p.velY > MAX_SPEED) p.velY = MAX_SPEED; if(p.velX > MAX_SPEED) p.velX = MAX_SPEED;

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• model association or controller?

  - by andybritton

  I'm trying to create a rails app that allows users to submit information about their pets. I've come to a point where my knowledge is limited and I don't know enough about what/how this could be done so I'm hoping this will be relatively easy to answer. At the moment I have a model called Pet, this model currently stores basic information like name, picture etc but it also holds more specific data like type, breed, date of birth etc. What I would like to be able to do is create a page that can match various records without having to be manually categorized if that makes sense so a users pet could be matched to other pets with the same breed, age etc. I've read about nested models as I understand this information could be submitted to 2 models in one form but I am not sure whether this could be done directly in a separate controller which would only be visible to users with pets in these matched "groups" if that makes sense. So in essence is it best practice to use 1 table to store all the information and just use a controller to match pets based on rows having the same values or would it be far simpler to have a form with a nested model and link 2 tables together? The main feature needs to be matching without a user having to create a group or categorize pets so the second model would need to add id's to an array instead of just creating more and more rows.

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• OOP Structure for web application

  - by Query

  Ok so I have a website in which users complete tasks to earn points. When they earn enough points, they rise in rank. The site from my understanding is very basic and only executes one query or two queries at most a page. There is a user table, a support ticket table, and an orders table. All of these contain a relational row for username. Our class was familiarized with OOP back in highschool with Java but that was for video games and I could grasp the concept on why you would need a class player and class enemy. However I don't understand it's web application. At least not in my situation. I understand the user class might contain stuff like: getUsername getPoints getEmail setEmail addPoints (does this belong here? OR only things the user can manipulate should be here?) etc.. But I'm at a loss with everything else such as user registration. Can you help give me a wire framework that I could wrap my head around? Pointing me to a good eBook would help greatly

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• Reliance on the compiler

  - by koan

  I've been programming in C and C++ for some time, although I would say I'm far from being expert. For some time I've been using various strategies to develop my code such as unit tests, test driven design, code reviews and so on. When I wrote my first programs in BASIC I typed in long listings before finding they would not run and they were a nightmare to debug. So I learnt to write a small bit and then test it. These days I often find myself repeatedly writing a small bit of code then using the compiler to find all the mistakes. That's OK if it picks up a typo but when you start adjusting the parameters types etc just to make it compile you can screw up the design. It also seems that the compiler is creeping into the design process when it should only be used for checking syntax. There's a danger here of over reliance on the compiler to make my programs better. Are there better strategies than this ? I vaguely remember some time ago an article on a company developing a type of C compiler where an extra header file also specified the prototypes. The idea was that inconsistencies in the API definition would be easier to catch if you had to define it twice in different ways.

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• I want to make "stuff" on the web, is a BsC. in Computers necessary/overkill? [on hold]

  - by notypist

  I'm 24 and have a lead role in a major news outlet in my country, with a good pay and public image in the horizon. I hold a job that was previously held by people with 15-20 years of experience and considered one of the top 5 news anchors in my country. My passion though, is computers. The web, to be precise. I was a problogger at a very young age. I hacked my way through CSS and some basic HTML and PHP. But I want to move forward - I want to CREATE not just STRUCTURE things. Giving up the present (and especially the seemingly promising future) in my current industry is hard, my friends raise their eyebrows... I'm considering a BsC. in computer Engineering - but my stats are short of getting into a good university for this discipline. Plus, I'm not the best with math - although I do exceptionally well in statistics and other numbers that are more applicable to real life. I tried learning PHP through online websites, but that just "doesn't cut it" for me. Nope. So what are my options here? if I don't want to build hardware or and deal with overly-complex algorithmic but would like, for example - to build a well functioning iPhone and iPad app, or a SaaS, a startup...do I have to go the BsC. route? I don't see any option to get an "official" education in strictly "web" concepts and languages.. Note: I'm well off financially, so I'm doing this more to be able to create stuff, rather than get a job in a corporations. Although if I land somewhere high, that might be an option. But my main concern is getting the tools.

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• Ubuntu 12.10 Quantal Quetzal and AMD 12.11 Beta Driver

  - by White

  I'm using a Quantal AMDx64 install and a XFX Radeon HD5850 video card. I first enabled restricted drivers through additional drivers, but it resulted in breaking Unity and Compiz (I can only see my wallpaper and shortcuts. But the terminal still works and Nautilus too, however, without Close/Maximize/Minimize and slower). Then I uninstalled it and everything went back to normal. Then I installed it via terminal (12.10 version), and the result was the same. Then I downloaded it via ATI's web site (12.11 beta) and installed the .run file using the terminal, but the result was yet again the same. Then I went to the terminal and entered these commands: sudo apt-get remove --purge fglrx fglrx_* fglrx-amdcccle* fglrx-dev* - It said it had nothing to uninstall sudo rm /ect/x11/xorg.conf - No such directory sudo dpkg-reconfigure xserver-xorg sudo startx sudo cp/ect/x11/xorg.conf.orig /ect/x11/xorg.conf - Also, no such directory sudo aticonfig --initial sudo reboot Then, I was presented with the log in screen, but when I tried to login (with my account), it flashed a black screen and then threw me back. Guest account still works (without unity and compiz, tough) and I can still use TTY. And I also got the "AMD Testing Only" watermark. Then I figured that I should stop messing with the terminal and get help before I unleashed Apocalypse XD. Side notes: My Ubuntu is installed on a ext4 partition with 60GB, and I dual boot with Windows 7 (at least for now). My internet is a 50kbps 3G-ish, so downloading even small files is a pain, let alone a video driver. I would rather not reinstall the O.S., it was a herculean task to download everything I had in there, and I have very little free disk space for backups. I'm still new to Ubuntu (I know some basic commands), and I don't know how to debug, so please, be patient XD And using Windows, my internet is even slower (is that possible?), so it kind of leaves a torture aftertaste xD. So, if you guys could answer quickly, it would be greatly appreciated. Thanks in advance. If you need any info, just ask (and explain how to get it XD).

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• dist-upgrade broke my insatll HELP

  - by diefuchsjagden

  so I ran apt-get update; apt-get dist-upgrade the upgrade failed and I lost the gui, I have an encrypted /home drive. When I run apt-get * (any command) I have all kinds of errors mostly missing depends and thats because apparently my network stack is gone. I have no NIC if I run ifconfig. It doesn't even show up with lspci If I were to do a "clean" install of 10.04 LTS which is what I had on my on my build, will I lose all my data? BTW I was just using Ubuntu's default encryption to manage the encryption using my PSWD as the key so if I were to use the same user name and PSWD would my data be accessible? I can see my data from command line, when or if Xorg does start it just loads a basic window with nothing but a black X in the middle of the screen which I can only assume is my mouse cursor but it doesn't move! Reddit /r/linux had some ideas none of which worked was, no help. And apparently /r/ubuntu is full of jerks because all they did was ridicule me. If I can get my install back I probably will be switching back to either Slackware or Gentoo. The Ubuntu forums were of no help they had the same suggestion as /r/linux. I am about to just run my back up script to my back up drives and nuke everything else but I'd rather not.

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• Create a Texture2D from larger image

  - by Dialock

  I am having trouble with the basic logic of this solution: Xna: Splitting one large texture into an array of smaller textures in respect to my specific problem (specifically, I'm looking at the second answer.) How can I use my source rectangle that I already use for drawing to create a new Texture2D? spriteBatch.Draw(CurrentMap.CollisionSet, currentMap.CellScreenRectangle(x, y), CurrentMap.TileSourceRectangle(currentMap.MapCells[x, y].TileDepths[4]), Color.FromNonPremultiplied(0,0,0, 45), 0.0f, Vector2.Zero, SpriteEffects.None, 0.91f); I know I want a method that I started so: //In Update Method of say the player's character. Texture2D CollisionTexture = ExtractTexture(MapManager.CurrentMap.CollisionSet, MapManager.TileWidth, MapManager.TileHeight); // In MapManager Class who knows everything about tiles that make up a level. public Texture2D ExtractTexture(Texture2D original, int partWidth, int partheight, MapTile mapCell) { var dataPerPart = partWidth * partheight; Color[] originalPixelData = new Color[original.Width * original.Height]; original.GetData<Color>(originalPixelData); Color[] newTextureData = new Color[dataPerPart]; original.GetData<Color>(0, CurrentMap.TileSourceRectangle(mapCell.TileDepths[4]), originalPixelData, 0, originalPixelData.Count()); Texture2D outTexture = new Texture2D(original.GraphicsDevice, partWidth, partheight); } I think the problem is I'm just not understanding the overload of Texture2D.GetData< Part of my concern is creating an array of the whole texture in the first place. Can I target the original texture and create an array of colors for copying based on what I already get from the method TileSourceRecatangle(int)?

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• Game with changing logic

  - by rsprat

  I'm planing to develop a puzzle like mobile game (android/ios) with a different logic for each puzzle. Say, for example one puzzle could be a Rubik's cube and another one a ball maze. Many more new puzzles will appear during the life of the game, and I want the users to be able to play those new puzzles. The standard way for managing this would be through application updates. Each time a new puzzle or bunch of puzzles appear, create a new update for the app that the user can download. However, I would like to do it in a more transparent way. When a new puzzle appears, the basic info of the puzzle would be displayed in the app menu, and the user would be able to play it by just clicking it. What comes to my mind is that the app would automatically download a .dll or .jar and inject it in the application at runtime. Is that even possible? Are there any restrictions from the OS? Is there a better way for solving it? Thanks alot

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• Rowspan not using top row

  - by DaAwesomeP

  I don't understand why my column won't span to the top and bottom rows I created. It is supposed to look like the "Today" column is taller on the top and bottom then the other columns. I tried accomplishing this by adding rows above and below it and then using rowspan. For some reason, it only works on the bottom row. It's a lot of code, and I wasn't sure what I should cut without deforming it all or adding a new variable (it needs a fluid height). JSFiddle: http://jsfiddle.net/DaAwesomeP/aU9Le/ Basic HTML Layout (the full fiddle has the css: <table id="weatherForecast"> <tr class="weatherForecast-row-outer"> <td></td> </tr> <tr id="weatherForecast-row"> <td id="weatherForecast-DATE" class="weatherForecast-day weatherForecast-day-today" rowspan="2"> <!-- Cell Content for "Today" Here --> <td id="weatherForecast-DATE" class="weatherForecast-day "> <!-- Cell Content Here. There are 4 of these --> </td> </tr> <tr class="weatherForecast-row-outer"> <td></td> </tr> </table> An image showing what I am trying to accomplish: http://s14.postimg.org/ba3xwcm75/Rowspan_not_using_top_row.png

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• Extended service set help [closed]

  - by Cygnus X

  Sorry, this is going to be long and rambly. So, at home my network is set up as such: I have a "master router" that handles DHCP, from there I have a basic 5 port switch, and coming off that, I have a second router that I put in access point mode so that I could have better wireless coverage in my house. I cant seem to access it through a web browser since the master router kicked in and assigned it an ip address. But, i told you all that story, so that i could tell you this story. At the company I work for, they are trying to set up wireless cameras, according to the manual for these, in order to connect these cameras to our network, we need to get into the wireless router and associate the router with the cameras, but the problem is, the network is setup like my home network. Theres a "master router" which is a windows 2003 server, and then a wireless router in AP mode dishing out wireless access. I cant get into the router (by the way I'm not the system admin for the company, nor do i know jack squat about windows server , nor can I easily get in contact with the system admin. (quite the cluster f*k, eh?)) I've tried using wireshark to find the routers ip, dug through arp tables, tried plugging straight into the router, but I cant seem to get into the damn thing. Any ideas/suggestions would be greatly appreciated.

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• Scene or Activity Animation

  - by Siddharth

  My game require an animation when one activity finishes and next started because I have develop game with multiple activity not as multiple scene per game. I have to show animation at the time of activity creation and activity destroy. I have trying to create basic animation that was supported by android. And all that xml file I have to post it into the anim folder but the loading of resource was so much high so any type of animation I provide using android method does not work for me it look weird. If scene class has some functionality for animation that please know me then I try to load different type of animation using scene. I have not create multiple scene because I have no awareness about how to manage multiple scene in andengine though I have a working experience of 8 months in andengine. So this help also provide me a great help. Basically I want to create animation like one activity slide out at the same time the other activity slide in. So at a time user can see the transition of activity. Thanks in advance.

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• Representing a world in memory

  - by user9993

  I'm attempting to write a chunk based map system for a game, where as the player moves around chunks are loaded/unloaded, so that the program doesn't run out of memory by having the whole map in memory. I have this part mostly working, however I've hit a wall regarding how to represent the contents of each chunk in memory because of my so far limited understanding of OOP languages. The design I have currently has a ChunkManager class that uses a .NET List type to store instances of Chunk classes. The "chunks" consist of "blocks". It's similar to a Minecraft style game. Inside the Chunk classes, I have some information such as the chunk's X/Y coordinate etc, and I also have a three dimensional array of Block objects. (Three dimensional because I need XYZ values) Here's the problem: The Block class has some basic properties, and I had planned on making different types of blocks inherit from this "base" class. So for example, I would have "StoneBlock", "WaterBlock" etc. So because I have blocks of many different types, I don't know how I would create an array with different object types in each cell. This is how I currently have the three dimensional array declared in my Chunk class: private Block[][][] ArrayOfBlocks; But obviously this will only accept Block objects, not any of the other classes that inherit from Block. How would I go about creating this? Or am I doing it completely wrong and there's a better way?

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• Collider2D and Rigidbody2D, how do they work?

  - by user42646

  I have been learning JavaScript and Unity for a week now. I learned how to make Cube as a Ground and another Cube as a player and I used this code to make the Player Cube move forward and backward and jumping var walkspeed: float = 5.0; var jumpheight: float = 250.0; var grounded = false; function Update() { rigidbody.freezeRotation = true; if (Input.GetKey("a")) transform.Translate(Vector3(-1, 0, 0) * Time.deltaTime * walkspeed); if (Input.GetKey("d")) transform.Translate(Vector3(1, 0, 0) * Time.deltaTime * walkspeed); if (Input.GetButton("Jump")) { Jump(); } } function OnCollisionEnter(hit: Collision) { grounded = true; } function Jump() { if (grounded == true) { rigidbody.AddForce(Vector3.up * jumpheight); grounded = false; } } I also learned how to make a character hit box. how to make a sprite and animation. pretty much the basic stuff. Couple of days ago I created simple ground in Photoshop and a simple character and imported them to Unity3D. Whenever I use my code above the character keeps falling from the scene. Like the character has nothing to stand on. After thinking about it it make sense because I really didn't make anything to make the player character understand that he should stand on something so I started reading about this issue and I realized that there is something called Collider2D and Rigidbody2D. Now I'm really stuck here I just don't know what to do. I applied the rigibody2d to my character picture and the Collider2D to the ground picture but whenever I play the project the gravity makes my character falls down. This is my question: How can I make the rigibody2d object realize that it shouldn't fall if there is a Collider2D object under it? So when I jump it's going to jump and the gravity going to bring it back to the ground.

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• Enable wireless greyed out. Disabled by hard switch. Details inside

  - by ltlunatic

  Ok so the basic issue here is this: My wireless has not once enabled through many environments. Wubi install: Enable wireless greyed out Live cd: greyed out Partition alongside win7: greyed out. I installed all software updates, checked additional drivers, installed the latest driver for RTL8111/8168B. rfkill list shows phy0 and phy1. Phy0 has a hardblock on. everything else is unblocked. Now consider this also: I have both a wireless adapter inside my laptop and a wireless usb adapter outside. The internal adapter does not work, hence why I think hardblock is on even if the external slider in 'on'. I have tried commands such as rfkill unblock all as well as sudo rfkill unblock all. No wireless options in the BIOS. I have tried another laptop and desktop and they get wireless from the get go. Ubuntu on my laptop seems to see my belkin adapter as well as my internal (ralink) one. But trying to scan networks yields no results and says network is down always. Ubuntu version: 12.04 lts Ask me anything else you may need to help me, thanks.

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• Working in Germany (Munich) [closed]

  - by adri

  My husband and I are relocating to Munich in August (He's German). I have been looking for jobs online since I heard that software developers are in great demand. And by the looks of it, seems to be correct. There are lots of offers on line but I have a problem, my german is not spectacular. I would rate it as basic. Good to be a tourist but not good to write anything formal, not even my cover letter. So I was wondering how hard is really going to be to find a job for me with virtually no german (I'm studying, but good german is not going to happen over night). Also, would it be possible to secure a job before arriving to Germany? I have nearly 10 years of working experience developing software, mostly in .net (c#, vb, winForms, asp.net) but I also know java. 3 years experience as a team leader for groups of up to 8 people. In the last couple of years I've been working mostly on digitalization of documents (such as birth certificates and the like) but I'm more than willing to try other fields Also I speak English, Spanish, Italian, a bit of portuguese and of course a bit of german.

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• New mainboard with 890GX chipset disables lightdm, even when using old graphics card instead of onboard graphics, startx works (Xubuntu 12.04)

  - by user99250

  I am trying to migrate an installed Xubuntu 12.04 to a new mainbaord with 890GX chipset. The Chipset has a built-in Radeon HD 4290 graphics. The system boots, but X won't start. The most suspicious message in Xorg.0.log is "ddxSigGiveUp: Closing log". When searching for this message, I found some answers like "remove your xorg.conf" (but there is none on my system). Or bug reports for fglrx (but that's not installed on my system). Or NVidia-related questions ... Interestingly, "startx" succeeds in opening a basic XFCE session. Then, I tried to disable the onboard graphics in the BIOS setup and use the old PCIe graphics card (Radeon HD 5450). No change. I don't think I can just blacklist a module, because the graphics card and the onboard graphics are covered by the same module. At the moment, use the free radeon drivers, not the restricted fglrx driver. If possible, I would like to stay on the free driver for two reasons: The fglrx driver from the ubuntu packages fails to build the kernel module. In past, I had bad experiences with the fglrx driver and changing screen config with RandR. When I connect the harddisk and the graphics card to my old mainboard, everything works again. This means, I have not screwed up my system configuration wile installing and removing the fglrx drivers. When I ordered this mainboard, I thought the 890GX is old enough to be supported and if not, I could still use my graphics card as backup solution. But without even the backup soluton, I'm screwed ... Any ideas ? Thanks and Regards, Kubuntu-Man (now switched to Xubuntu)

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• ?????????????:3?15?~17?

  - by Yusuke.Yamamoto

  2011?3?15?~2011?3?17?????????????????(Oracle Direct Seminar)?????????????????????????????????????????????????????????????????? ?????????????????????????????? ?????????????????????????????????????????????OTN???? ?????? ????? ?????????????? ????????????? ?OTN???? ?????? ????? http://www.oracle.com/technetwork/jp/ondemand/db-basic/index.html ??????????????????????????????? 3/15 11:00~:???!?????????????????? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124542&src=7013395&src=7013395&Act=388 3/15 15:00~:????????! ?????????????? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124543&src=7013395&src=7013395&Act=389 3/16 11:00~:?ORACLE MASTER [Bronze DBA11g] ? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124572&src=7013395&src=7013395&Act=391 3/16 15:00~:?Oracle Database???????XML?????? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124573&src=7013395&src=7013395&Act=392 3/17 11:00~:?????????·?????????????GoldenGate? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124574&src=7013395&src=7013395&Act=393 3/17 15:00~:???????!Web????????/?????????????? http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=124578&src=7013395&src=7013395&Act=395 ?????????? Oracle Direct Seminar??? [email protected]

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• Edit and render RichText

  - by OregonGhost

  We have an application (a custom network management tool for building automation) that supports printing labels that you can cut out and insert into the devices' front displays. In earlier versions of the tool (not developed in my company), the application just pushed the strings into an Excel file that the field technician could then manipulate (like formatting text). We didn't do this in the new version because it was hard (impossible) to keep the Excel file in sync, and to avoid a binding to an external application (let alone different versions of Excel). We're using PDFSharp for rendering the labels. It has a System.Drawing-like interface, but can output to a System.Drawing.Graphics (screen / printer) as well as to a PDF file, which is a requirement. Later, basic formatting was introduced like Font Family, Style, Size, Color which would apply to one label (i.e. to exactly one string). Now the customer wants to be able to apply these formats to single characters in a string. I think the easiest way would be to support a subset of RichText. It's not as easy as I thought though. Currently the editor just displays a TextBox for the label you want to edit, with the font set to the label's font. I thought I'd just replace it with RichTextBox, and update the formatting buttons to use the RichTextBox formatting properties. Fairly easy. However, I need to draw the text. I know you can get the RichTextBox to draw to a HDC or System.Drawing.Graphics - but as already said, I need it to use PDFSharp. Rendering to bitmaps is not an option, since the PDF must not be huge, and it's a lot of labels. Unfortunately I couldn't get the RichTextBox to tell me the layout of the text - I'm fine with doing the actual rendering by hand, as long as I know where to draw what. This is the first question: How can I get the properly layouted metrics of the rich text out of a RichTextBox? Or is there any way to convert the rich text to a vector graphics format that can be easily drawn manually? I know about NRTFTree which can be used to parse and manipulate RichText. The documentation is bad (actually I don't know, it's Spanish), but I think I can get it to work. As far as I understood, it won't provide layouting as well. Because of this, I think I'll have to write a custom edit control (remember, it's basically just one or two line labels with basic RTF formatting, not a full-fledged edit control - more like editing a textbox in PowerPoint) and write custom text layout logic that used PDFSharp rather than System.Drawing for drawing. Is there any existing, even if partial, solution available, either for the editing or for doing the layout manually (or both)? Or is there an entirely different approach I'm just not seeing? Bonus points if exporting the label texts as RTF into a CSV file, and then importing in Excel retains the formatting. For the editing part, I need it to work in Windows Forms. Other than that it's not Windows-Forms-related, I think.

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