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• Blurry printed raster images with Brother MFC-8840D

  - by Adam Monsen

  (NOTE: crossposted here: ubuntuforums.org/showthread.php?t=1621795) I've got a Brother MFC-8840D. Works great with Ubuntu server! Setting up a CUPS print server was pretty straightforward, and I also finally got network scanning working reliably with saned. Printing documents and Web pages works well: fonts are crisp/clear, etc. One issue has got me completely vexed: printing raster (ie: JPG) images. They are blurry. For example, I can scan a page of black and white text at 150 or 300 dpi. The grayscale image looks perfect on my monitor. But the printed version is much blurrier than the original, regardless of the "print resolution" dpi I choose. As a counterexample, if I use the "copy" function of the MFC-8840D, the copy looks excellent, and this function is much, much faster than if I scan then print a scan of same. I've googled around a bunch and tried different tricks (printing a PDF with the image from evince, printing with Gimp, EOG and other applications) but I just can't print anything that looks as good as a copy made with the MFC-8840D. Any ideas? I'm using Ubuntu 10.04.1 LTS server. I'm using the PPD file from solutions.brother.com. Thanks, -Adam

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• Project freezed - what should I leave to the people after me?

  - by Maistora

  So the project I've been working on is now going to be freezed for unknown period of time. May be when the project unfreezes it won't be assigned to me or anybody of the current team. Actually we did also inherit the project after it had been freezed but there was nothing left by the team before us to help us understand even the basic needs of the project, so plenty of time passed by until we got to know the project well. My question is what do you think we should do to help people after us to best understand the needs of the project, what we have done, why we've done it, etc. I am open to other ideas of why should we leave some tracks to the others that will work on this project also. Some steps we already have taken: technical documentation (not full but at least there is some); source-control system history; estimations on which parts of the project need improvement and why we think so; bunch of unit tests. What do you think of what we've already prepared and what else could we do?

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• Transition from 2D to 3D Game development [closed]

  - by jakebird451

  I have been working in the 2D world for a long time from manual blitting in windows to SDL to Python (pygame, pyopengl) and a bunch in between. Needless to say I have been programming for a while. So a while ago I started to program in OpenGL via C++ on my Mac. I then got a little intricate with my work after a while (3D models with skeleton structure and terrain development). After a long time of tinkering, I stopped due to the heavy work just to yield a low level understanding of how OpenGL works. Still interested in Graphics and Game Development I went on a search for a stable game engine with some features to grow on. Licence Requirement: Anything other than GPL (LGPL will do) OS Requirement: Mac & Windows Shader: GLSL or CG (GLSL preferred due to experience) Models: Any model structure with rigging (bone) support & animation I am looking at http://www.ogre3d.org/ currently and am starting to meddle around with some examples. However I am a little reluctant to spend a lot of time on it only to yield another dead end. So instead of falling down a spiraling black pit, I am posting my question to you guys to lead me in the right direction based on my requirements. How was your experience with the engine you recommend? Is it well documented? Does it have well documented examples? Any library requirements (Boost, libpng, etc)?

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• Why is purchasing Microsoft licences such a daunting task? [closed]

  - by John Nevermore

  I've spent 2 frustrating days jumping through hoops and browsing through different local e-shops for VS (Visual Studio) 2010 Pro. And WHS (Windows Home Server) FPP 2011 licenses. I found jack .. - or to be more precise, the closest I found in my country was WHS OEM 2011 licenses after multiple emails sent to individuals found on Microsoft partners page. Question being, why is it so difficult to get your hands on Microsoft licenses as an individual? Sure, you can get the latest end user operating systems from most shops, but when it comes to development tools or server software you are left dry. And companies that do sell licenses most of the time don't even put up pricing or a self service environment for buying the licenses, you need to have an hawk's eye for that shiny little Microsoft partner logo and spam through bunch of emails not knowing, if you can count on them to get the license or not. Sure, i could whip out my credit card and buy the VS 2010 license on the online Microsoft Shop. Well whippideegoddamndoo, they sell that, but they don't sell WHS 11 licenses. Why does a company make it so hard to buy their products? Let's not even talk about the licensing itself being a pain.

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• Threading models when talking to hardware devices

  - by Fuzz

  When writing an interface to hardware over a communication bus, communications timing can sometimes be critical to the operation of a device. As such, it is common for developers to spin up new threads to handle communications. It can also be a terrible idea to have a whole bunch of threads in your system, an in the case that you have multiple hardware devices you may have many many threads that are out of control of the main application. Certainly it can be common to have two threads per device, one for reading and one for writing. I am trying to determine the pros and cons of the two different models I can think of, and would love the help of the Programmers community. Each device instance gets handles it's own threads (or shares a thread for a communication device). A thread may exist for writing, and one for reading. Requested writes to a device from the API are buffered and worked on by the writer thread. The read thread exists in the case of blocking communications, and uses call backs to pass read data to the application. Timing of communications can be handled by the communications thread. Devices aren't given their own threads. Instead read and write requests are queued/buffered. The application then calls a "DoWork" function on the interface and allows all read and writes to take place and fire their callbacks. Timing is handled by the application, and the driver can request to be called at a given specific frequency. Pros for Item 1 include finer grain control of timing at the communication level at the expense of having control of whats going on at the higher level application level (which for a real time system, can be terrible). Pros for Item 2 include better control over the timing of the entire system for the application, at the expense of allowing each driver to handle it's own business. If anyone has experience with these scenarios, I'd love to hear some ideas on the approaches used.

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• How to determine if a 3D voxel-based room is sealed, efficiently

  - by NigelMan1010

  I've been having some issues with efficiently determining if large rooms are sealed in a voxel-based 3D rooms. I'm at a point where I have tried my hardest to solve the problem without asking for help, but not tried enough to give up, so I'm asking for help. To clarify, sealed being that there are no holes in the room. There are oxygen sealers, which check if the room is sealed, and seal depending on the oxygen input level. Right now, this is how I'm doing it: Starting at the block above the sealer tile (the vent is on the sealer's top face), recursively loop through in all 6 adjacent directions If the adjacent tile is a full, non-vacuum tile, continue through the loop If the adjacent tile is not full, or is a vacuum tile, check if it's adjacent blocks are, recursively. Each time a tile is checked, decrement a counter If the count hits zero, if the last block is adjacent to a vacuum tile, return that the area is unsealed If the count hits zero and the last block is not a vacuum tile, or the recursive loop ends (no vacuum tiles left) before the counter is zero, the area is sealed If the area is not sealed, run the loop again with some changes: Checking adjacent blocks for "breathable air" tile instead of a vacuum tile Instead of using a decrementing counter, continue until no adjacent "breathable air" tiles are found. Once loop is finished, set each checked block to a vacuum tile. Here's the code I'm using: http://pastebin.com/NimyKncC The problem: I'm running this check every 3 seconds, sometimes a sealer will have to loop through hundreds of blocks, and a large world with many oxygen sealers, these multiple recursive loops every few seconds can be very hard on the CPU. I was wondering if anyone with more experience with optimization can give me a hand, or at least point me in the right direction. Thanks a bunch.

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• Why doesn't it seem to be any development in the field of 3D VR gear, especially with regard to gaming?

  - by neuviemeporte

  I remember that way back around 1995, there was this big craze with VR in the media, a whole bunch of (mostly mediocre) games labeled as "virtual-reality-interactive-movie (...)" were published. If I recall correctly, the first 3D VR helmet was called VFX-1 and was sold bundled with Descent and some dedicated joystick. I never owned one, and I read just one review which was mostly enthusiastic, but pointed to some weak points, like the eyes getting tired after an hour or so of playing. Then the whole thing basically flickered down and died. I suppose the main reason it wasn't successful was that the hardware of the day was not powerful enough, the VR gear's design wasn't perfected to make it comfortable and natural to use, and the companies that made it failed to market it successfully. What I can't understand is why isn't there any development in the field today. There is some vr-ish hardware mostly targeted at the consoles (Kinect, Wii remote, TrackIR), but all projects of creating some 3d head-mounted display system seem to be in early infancy, appear once in a trade show somewhere and aren't heard of again. I think it could work great with head tracking and some of today's shooters, flight sims (trackIR is nice but the movement scale translation is awkward) and other games with an FPP POV. Is there any technological reason why decent vr headgear can't be made today, or is it just that nobody really cares/everyone is scared to repeat the '90s failure?

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• Question on business connections and page rank?

  - by Viveta

  I just want to ask this question to get a yes no answer on something that I've been wondering on lately. So regarding how there are countless numbers of sites now that use the no-follow; making it harder to get ranking for your page if your website information might be something useful and will get traffic but maybe isn't something that your business connections share content of; but I am trying to find out if the benefit to having a bunch of say "likes" to your facebook page, but all the connection to your website's content isn't passing any benefit to your main page. So are you then competing with your own website in regards to SERPs to your facebook page and that of your home page. Am I correct on this; that if you start having your facebook page doing real good as far as connections and likes (helping bump up your facebook PageRank) but if you have links on your page with certain optimized keywords, that there is no benefit to your website (other than people getting to your facebook page, and then more likely to click to your page). Hope I explained it well what I am asking. Just wanted to get a better picture of this to know what I want to focus on as far as how I'll be linking to my desired landing pages in the future.

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• Dropbox Doubles Referral Credit; Score 500MB for Each Friend You Refer

  - by Jason Fitzpatrick

  Dropbox is doubling the amount of free storage you get per-referral to 500MB, doubling the previous 250MB credit–better yet, the bonus is retroactive and applies to referrals you’ve already made. From the DropBox blog: How much space is that, exactly? For every friend you invite that installs Dropbox, you’ll both get 500 MB of free space. If you’ve got a free account, you can invite up to 32 people for a whopping total of 16 GB of extra space. Pro accounts now earn 1 GB per referral, for a total of 32 GB of extra space. Have you already invited a bunch of people? Don’t worry. Within a few days, you’ll get full credit for every referral that’s already been completed. Boom! Hit up the link below for the full announcement. Dropbox Referrals Now Twice As Nice [Dropbox] How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1

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• PDFtk Password Protection Help

  - by Dave W.

  I am using Ubuntu 11.10 and am looking for a solution to password protect a bunch of pdf files in a directory in batch. I came across PDFtk and it looks like it might do what I need, but I've reviewed the command line PDFtk examples and can't figure out if there is a way to do it in batch without having to individually specify the output file name for every file. I'm hoping a command-line guru can take a look at the PDFtk syntax and tell me if there is some trick / command that will allow me to password protect a directory of pdf files (e.g., *.pdf) and overwrite the existing files using the same name, or consistently rename the individual output files without having to specify each output name individually. Here's a link to the PDFtk command line examples page: http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/ Thanks for your help. I think I've answered my own question. Here's a bash script that appears to do the trick. I'd welcome help evaluating why the code I've commented out doesn't work... #!/bin/bash # Created by Dave, 2012-02-23 # This script uses PDFtk to password protect every PDF file # in the directory specified. The script creates a directory named "protected_[DATE]" # to hold the password protected version of the files. # # I'm using the "user_pw" parameter, # which means no one will be able to open or view the file without # the password. # # PDFtk must be installed for this script to work. # # Usage: ./protect_with_pdftk.bsh [FILE(S)] # [FILE(S)] can use wildcard expansion (e.g., *.pdf) # This part isn't working.... ignore. The goal is to avoid errors if the # directory to be created already exists by only attempting to create # it if it doesn't exists # #TARGET_DIR="protected_$(date +%F)" #if [ -d "$TARGET_DIR" ] #then #echo # echo "$TARGET_DIR directory exists!" #else #echo # echo "$TARGET_DIR directory does not exist!" #fi # mkdir protected_$(date +%F) for i in *pdf ; do pdftk "$i" output "./protected_$(date +%F)/$i" user_pw [PASSWORD]; done echo "Complete. Output is in the directory: ./protected_$(date +%F)"

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• Do objects maintain identity under all non-cloning conditions in PHP?

  - by Buttle Butkus

  PHP 5.5 I'm doing a bunch of passing around of objects with the assumption that they will all maintain their identities - that any changes made to their states from inside other objects' methods will continue to hold true afterwards. Am I assuming correctly? I will give my basic structure here. class builder { protected $foo_ids = array(); // set in construct protected $foo_collection; protected $bar_ids = array(); // set in construct protected $bar_collection; protected function initFoos() { $this->foo_collection = new FooCollection(); foreach($this->food_ids as $id) { $this->foo_collection->addFoo(new foo($id)); } } protected function initBars() { // same idea as initFoos } protected function wireFoosAndBars(fooCollection $foos, barCollection $bars) { // arguments are passed in using $this->foo_collection and $this->bar_collection foreach($foos as $foo_obj) { // (foo_collection implements IteratorAggregate) $bar_ids = $foo_obj->getAssociatedBarIds(); if(!empty($bar_ids) ) { $bar_collection = new barCollection(); // sub-collection to be a component of each foo foreach($bar_ids as $bar_id) { $bar_collection->addBar(new bar($bar_id)); } $foo_obj->addBarCollection($bar_collection); // now each foo_obj has a collection of bar objects, each of which is also in the main collection. Are they the same objects? } } } } What has me worried is that foreach supposedly works on a copy of its arrays. I want all the $foo and $bar objects to maintain their identities no matter which $collection object they become of a part of. Does that make sense?

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• Laptop Display Not Working

  - by etrask

  Hello, I just purchased this laptop. It is working fine but I want to use Xubuntu on it. I managed to get 10.04 installed and running but it did not recognize/use the wireless card. So I want to try 10.10. However, every time I try, the screen goes black and never comes back on. I have tried the Live CD and Alternate install CDs, for both Ubuntu and Xubuntu 10.10. After I select "Install Ubuntu" or "Try Ubuntu", the screen blacks out and never displays anything. So I deleted "quiet" and "splash" off the command line to see what messages would come up. A bunch of text flies by but it ends at: [time] TCP established hash table entries: 524288 (order: 11, 8388608 bytes) [time] TCP bind hash table entries 65536 (order: 8, 1048576 bytes) [time] TCP: Hash tables configured (established 524288 bind 65536) [time] TCP reno registered [time] UDP hash table entries: 2048 (order: 4, 65536 bytes) [time] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) [time] NET: Registered protocol family 1 And freezes here forever. I have tried nomodeset, vga=771, and xforcevesa with no progress. Is my video card simply not going to work with this distro? It seems strange that 10.04 would work fine but not 10.10. Any help is appreciated, thank you.

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• Where have I been for the last month?

  - by MarkPearl

  So, I have been pretty quiet for the last month or so. True, it has been holiday time and I went to Cape Town for a stunning week of sunshine and blue skies, but the second I got back home I spent the remainder of my holiday on my pc viewing tutorials on www.tekpub.com Craig Shoemaker, who I got in contact with because of his podcast, sent me a 1 month free subscription to the site and it has been really appreciated. I have done a lot of WPF programming in the past, but not any asp.net stuff and so I used the time to get a peek at asp.net mvc2 as well as a bunch of other technologies. I just wished I had more spare time to do the rest of the videos. While I didn’t understand all of what was being shown on the asp.net stuff (it required previous asp.net expertise), the site was a really good jump start to someone wanting to learn a new technology and broaden the horizons and I would highly recommend it, My only gripe is that in South Africa we have limited bandwidth and bandwidth speeds and so I spent a lot of my monthly bandwidth on the site and had to top up with my ISP several times because of the high quality video captures that the site did. I would have preferred to download the video’s, but apparently that is only available to people who have the yearly subscription fee. Other than that, great site and thanks a ton Craig!

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• SQL Saturday #89 in Atlanta!

  - by Most Valuable Yak (Rob Volk)

  (Yeah yeah, technically it's in Alpharetta, but it's close enough.) Saturday…Saturday….Saturday…. September 17th.  TWO THOUSAND ELEVEN! OK, it's not a tractor pull, but it's even better:  FREE SQL SERVER TRAINING!  They have a bunch of great speakers lined up, and for some reason, me.  (Protip: be good friends with the program committee, have sufficient bribe funds, and if all else fails, lots of alcohol, drugs and a camera.  Ba-ZING!  You too can speak at SQL Saturday!) I will be presenting Revenge: The SQL! in a new and improved SQL Saturday themed presentation.  Actually, it's the same ol' presentation, I just updated the slide theme to match the new SQL Saturday website design.  (Yeah guys, thanks for changing that a month ago.  So much for coasting on the old format.) Of course, you have your choice of three other SQL Saturdays in other cities that day, but come on, you really want to go to this one. #sqlsat89 #sqlsaturday #sqlkilt #sqlpass

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• Maker Faire Report - Teaching Kids Java SE Embedded for Internet of Things (IoT)

  - by hinkmond

  I had a great time at this year's Maker Faire 2014 in San Mateo, Calif. where Jake Kuramoto and the AppsLab crew including Noel Portugal, Anthony Lai, Raymond, and Tony set up a super demo at the DiY table. It was a simple way to learn how Java SE Embedded technology could be used to code the Internet of Things (IoT) devices on the table. The best part of our set-up was seeing the kids sit down and do some coding without all the complexity of a Computer Science course. It was very encouraging to see how interested the kids were when walking them through the programming steps, then seeing their eyes light up when telling them, "You just coded a Java enabled Internet of Things device!" as the Raspberry Pi-connected devices turned on or started to move from their Java Embedded program. See: The AppsLab at Maker Faire It will be interesting to see how this next generation of kids grow up with all these Internet of Things devices around them and watch how they will program them. Hopefully, they will be using Java SE Embedded technology to do so. From the looks of it at this year's Maker Faire, we might have a bunch of motivated young Java SE Embedded coders coming up the ranks soon. Well, they have to get through middle school first, but they're on their way! Hinkmond

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• Photoshop alternative with same keyboard shorcuts

  - by user292254

  tldr; Is there a program with the same keyboard shortcuts and/or user interface as PS. I know the "photoshop alternative" question has been asked so many times, but I feel this variant is worth the time to ask. I am a web designer and have been using PS daily on a windows or mac machine for about 10 years, but I do most of my development in linux. The only thing that has been keeping me from the full switch to linux is PS. I have tried many alternatives, including GIMP, but I feel the barrier to entry is too high for one reason and one reason only, the keyboard shortcuts. Over the years I have become very adept and quick in the use of PS because of keyboard shortcuts and muscle memory. I realize that many shortcuts can be customized, but many actions are just too different from PS. So my question is what programs are out there that are the closest to PS in keyboard shortcuts and interface. I don't care if I have to do a bunch of customization to get it as close as possible, but I just can't take too much time to learn a completely new workflow. Of course I realize that any software will take time and effort, I just want to make that time/effort as minimal as possible. Thanks in advance for your responses. edit I should tell you the most important features and workflow I use on a daily basis are, Smart objects, linked documents, save for web and devises.

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• BizTalk Schema Validation

  - by Christopher House

  Perhaps this one should be filed under:  Obvious Yesterday I created a new schema that is going to be used for a WCF receive.  The schema has a bunch of restrictions in it, with the intention that we'd validate incoming messages against the schema.  I'd never done message validation with BizTalk but I knew the XmlDisassembler component had an option for validating, so I figured it would be a piece of cake.  Sadly, that was not to be the case.  I deployed my artifacts and configured my receive location's XmlDisassembler with what I thought to be the correct document spec name.  I entered My.Project.Name.SchemaTypeName for the document spec and started running unit tests.  All of them failed with the following error logged in the event log: "WcfReceivePort_BizTalkWcfService/PurchaseOrderService" URI: "/BizTalkWcfService/PurchaseOrderService.svc" Reason: No Disassemble stage components can recognize the data. I went to the receive port and turned on tracking, submitted another message, then went to the admin console and saved the message.  It looked correct, but just to be sure, I manually validated it against the schema in my project.  As expected, it validated correctly. After a bit of thinking on this, I realized that I probably needed to fully qualify my document spec name, meaning, include the assembly name, as well as the type name.  So, I went back to the receive location and changed the document spec to: My.Project.Name.SchemaTypeName, My.Project.Name,Version=1.0.0.0, Culture=neutral, PublicKeyToken=xxxxxxxxx I re-ran my unit tests and everything was working as expected.  So, note to self:  remember to include the assembly name when setting the document spec.  If you need an easy way to determine your schema name and assembly name, find your schema in the admin console and go to it's properties.  On the property screen, look at the Name and Assembly properties.  Your document spec will be "SchemaName, AssemblyName"

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• Should I build a multi-threaded system that handles events from a game and sorts them, independently, into different threads based on priority?

  - by JonathonG

  Can I build a multi-threaded system that handles events from a game and sorts them, independently, into different threads based on priority, and is it a good idea? Here's more info: I am about to begin work on porting a mid-sized game from Flash/AS3 to Java so that I can continue development with multi-threading capabilities. Here's a small bit of background about the game: The game contains numerous asynchronous activities, such as "world updating" (the game environment is constantly changing based on a set of natural laws and forces), procedural generation of terrain, NPCs, quests, items, etc., and on top of that, the effects of all of the player's interactions with his environment are programmatically calculated in real time, based on a set of constantly changing "stats" and once again, natural laws and forces. All of these things going on at once, in an asynchronous manner, seem to lend themselves to multi-threading very well. My question is: Can I build some kind of central engine that handles the "stacking" of all of these events as they are triggered, and dynamically sorts them out amongst the available threads, and would it be a good idea? As an example: Essentially, every time something happens (IE, a magic missile being generated by a spell, or a bunch of plants need to grow to their next stage), instead of just processing that task right then and adding the new object(s) to a list of managed objects, send a reference to that event to a core "event handler" that throws it into a stack of all other currently queued events, which then sorts them out and orders them according to urgency, splits them between a number of available threads for as-fast-as-possible multithreaded execution.

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• Embedded Nashorn in JEditorPane

  - by Geertjan

  Here's a prototype for some kind of backoffice content management system. Several interesting goodies are included, such as an embedded JavaScript editor, as can be seen in the screenshot: Key items of interest in the above are as follows: Embedded JavaScript editor (i.e., the latest and greatest Nashorn technology, look it up, if you're not aware of what that is.) The way that's done is to include the relevant JavaScript modules in your NetBeans Platform application. Make very sure to include "Lexer to NetBeans Bridge", which does a bunch of critical stuff under the hood. The JEditorPane is defined as follows, along the lines that I blogged about recently thanks to Steven Yi: javaScriptPane.setContentType("text/javascript"); EditorKit kit = CloneableEditorSupport.getEditorKit("text/javascript"); javaScriptPane.setEditorKit(kit); javaScriptPane.getDocument().putProperty("mimeType", "text/javascript"); Note that "javaScriptPane" above is simply a JEditorPane. Timon Veenstra's excellent solution for integrating Nodes with MultiViewElements, which is described here by Timon, and nowhere else in the world. The tab you see above is within a pluggable container, so anyone else could create a new module and register their own MultiViewElement such that it will be incorporated into the editor. A small trick to ensure that only one window opens per news item: @NbBundle.Messages("OpenNews=Open") private class OpenNewsAction extends AbstractAction { public OpenNewsAction() { super(Bundle.OpenNews()); } @Override public void actionPerformed(ActionEvent e) { News news = getLookup().lookup(News.class); Mode editorMode = WindowManager.getDefault().findMode("editor"); for (TopComponent tc : WindowManager.getDefault().getOpenedTopComponents(editorMode)) { if (tc.getDisplayName().equals(news.getTitle())) { tc.requestActive(); return; } } TopComponent tc = MultiViews.createMultiView("application/x-newsnode", NewsNode.this); tc.open(); tc.requestActive(); } } The rest of what you see above is all standard NetBeans Platform stuff. The sources of everything you see above is here: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.3/misc/CMSBackOffice

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• Adding files and folders to a Root Folder (inode/directory)

  - by xBaldwin

  Ok so I'm fairly new to Ubuntu and wasn't even the one who put it one this computer(my friend did while I was storing it at his house because I was in the middle of transitioning between houses), but It's on here so I need to learn what I can so I can use it more effectively. My question at the moment is "Would it be safe to add files/folders to a folder (inode/directory) that requires Root access?" I continue to be informed by the system that the directory I am using is running low on space which I found odd seeing how I should have a lot more room on this computer. That's when I started looking at the directories and found that there are two with a bunch of un-used space on them. One says it has 46.9 GB of free space and the other has 24.9 GB of free space. Seems like a complete waste to not use that space and yet they both say they require Root access to add to them. I know that Root folders and files are normally all system folders and files. I also know that changing or deleting them can mess up the computer which right now I cant afford to do. I just don't know if it would mess anything up to add something to those folders. Thank you in advance to anyone who takes the time to reply and try to teach me about how all that works. I really do appreciate it and will do the same if by some crazy (completely unlikely) reason I have an answer to your question. :-)`

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• Project frozen - what should I leave to the people after me?

  - by Maistora

  So the project I've been working on is now going to be frozen indefinitely. It is possible that if and when the project unfreezes again, it won't be assigned to me or anybody from the current team. Actually, we inherited the project after it had been frozen before, but there was nothing left by the prior team to help us understand even the basic needs of the project, so we wasted a lot of time getting to know the project well. My question is what do you think we should do to help the people after us to best understand the needs of the project, what we have done, why we've done it, etc. I am open to other ideas of why should we leave some tracks to the others that will work on this project also. Some steps we already have taken: technical documentation (not full but at least there is some); source-control system history; estimations on which parts of the project need improvement and why we think so; bunch of unit tests. issue tracker with all the tickets we've done (EDIT) What do you think of what we've already prepared and what else can we do?

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• Costs/profit of/when starting an indie company

  - by Jack

  In short, I want to start a game company. I do not have much coding experience (just basic understanding and ability to write basic programs), any graphics design experience, any audio mixing experience, or whatever else technical. However, I do have a lot of ideas, great analytical skills and a very logical approach to life. I do not have any friends who are even remotely technical (or creative in regards to games for that matter). So now that we've cleared that up, my question is this: how much, minimally, would it cost me to start such a company? I know that a game could be developed in under half a year, which means it would have to operate for half a year prior, and that's assuming that the people working on the first project do their jobs good, don't leave game breaking bugs, a bunch of minor bugs, etc.. So how much would it cost me, and what would be the likely profit in half a year? I'm looking at minimal costs here, as to do it, I would have to sell my current apartment and buy a new, smaller one, pay taxes, and likely move to US/CA/UK to be closer to technologically advanced people (and be able to speak the language of course). EDIT: I'm looking at a small project for starters, not a huge AAA title.

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• What am I missing about PHP?

  - by Aerovistae

  It's like this mythical thing that a dominating portion of developers say is just the best option for back-end development, a part of development about which I know virtually nothing beyond the absolute basics. So I've looked up PHP tutorials a bunch of times, trying to figure out why it's so powerful and common, but it's annoying as hell-- all the tutorials treat you like a new programmer. You know, this is how you make an If Else statement, here's a for loop, etc. The "Advanced Topics" show you how to make POST and GET statements and whatnot. But there must be more to it! I don't get it! That's practically no different from JavaScript. What am I missing about this language? What else can it do? Where's the power and versatility? I've heard it called a function soup; where are all the functions? Please chide me. I'm clearly missing something.

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• Adding delay between damage

  - by iQue

  I have a bunch of enemies chasing my main-character, and if they intersect I want them to damage him and that's all good. The problem is that right now they damage him as long as they stand around him, every frame! and since it gets called every frame my character's HP reaches 0 almost instantly. I've tried adding delay and I've tried a timertask, but can't get it to work. This is the code I use to check for intersection: private void checkCollision(Canvas canvas) { synchronized (getHolder()) { Rect h1 = happy.getBounds(); for (int i = 0; i < enemies.size(); i++) { for (int j = 0; j < bullets.size(); j++) { Rect b1 = bullets.get(j).getBounds(); Rect e1 = enemies.get(i).getBounds(); if (b1.intersect(e1)) { enemies.get(i).damageHP(5); bullets.remove(j); } if(e1.intersect(h1)){ happy.damageHP(5); // this is the statement that needs some sort of delay, I want them to damage him every 2 seconds they intersect him. } if(enemies.get(i).getHP() <= 0){ enemies.get(i).death(canvas, enemies); score.incScore(5); break; } if(happy.getHP() <= 0){ score.incScore(-50); //end-screen } } } } } If anyone knows the logic to do this please do tell.

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• Setting up a Google Analytics Campaign

  - by Ashfame

  I will be doing a bunch of things to give one of my projects (main app) a big initial push for which I will be building a few small Facebook apps which will help in promoting the main apps. Traffic from these apps need to be tracked individually. My main app will be posting on the walls when the user needs to be notified. Traffic from these posts need to be tracked. Traffic from emails sent by the main app need to be tracked, like different types of email. I need to track all of these & possibly a couple of more but I need to be sure that I build my campaign URLs correctly as I won't get another chance to fix it. Correct me where I am wrong: Campaign Name: Launch Campaign Medium: Email Campaign Source: Type1 or Type2 (I can break it down for different types of email, right?) For apps: Campaign Name: Launch Campaign Medium: Apps Campaign Source: App1 or App2 (I can break it down here for different apps, right?) What if I want to track two different links within a single email or a single app? Any way of tracking them individually too but still keeping to track them as one because tracking them as one makes more sense for me. Campaign Term & Campaign content is irrelevant in my case, or I can/should use them for something? And I will also be tracking traffic of different apps. Should I do more? Let me know if my scenario wasn't clear enough & I need to explain more.

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