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• Desktop Fun: Nebula Wallpapers

  - by Asian Angel

  Nebulae can be very colorful, breathtaking to look at, and inspire the imagination. Add a touch of that ethereal beauty to your desktop with our Nebula Wallpapers collection. Note: Click on the picture to see the full-size image—these wallpapers vary in size so you may need to crop, stretch, or place them on a colored background in order to best match them to your screen’s resolution. For more wallpapers be certain to see our great collections in the Desktop Fun section. Similar Articles Productive Geek Tips Windows 7 Welcome Screen Taking Forever? Here’s the Fix (Maybe)Desktop Fun: Starship Theme WallpapersDesktop Fun: Underwater Theme WallpapersDesktop Fun: Starscape Theme WallpapersDesktop Fun: Fantasy Theme Wallpapers TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 21 Cursor Packs for XP, Vista & 7 Map the Stars with Stellarium Use ILovePDF To Split and Merge PDF Files TimeToMeet is a Simple Online Meeting Planning Tool Easily Create More Bookmark Toolbars in Firefox Filevo is a Cool File Hosting & Sharing Site

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• Handling extremely large numbers in a language which can't?

  - by Mallow

  I'm trying to think about how I would go about doing calculations on extremely large numbers (to infinitum - intergers no floats) if the language construct is incapable of handling numbers larger than a certain value. I am sure I am not the first nor the last to ask this question but the search terms I am using aren't giving me an algorithm to handle those situations. Rather most suggestions offer a language change or variable change, or talk about things that seem irrelevant to my search. So I need a little guideance. I would sketch out an algorithm like this: Determine the max length of the integer variable for the language. If a number is more than half the length of the max length of the variable split it in an array. (give a little play room) Array order [0] = the numbers most to the right [n-max] = numbers most to the left Ex. Num: 29392023 Array[0]:23, Array[1]: 20, array[2]: 39, array[3]:29 Since I established half the length of the variable as the mark off point I can then calculate the ones, tenths, hundredths, etc. Place via the halfway mark so that if a variable max length was 10 digits from 0 to 9999999999 then I know that by halfing that to five digits give me some play room. So if I add or multiply I can have a variable checker function that see that the sixth digit (from the right) of array[0] is the same place as the first digit (from the right) of array[1]. Dividing and subtracting have their own issues which I haven't thought about yet. I would like to know about the best implementations of supporting larger numbers than the program can.

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• What's the best way to generate an NPC's face using web technologies?

  - by Vael Victus

  I'm in the process of creating a web app. I have many randomly-generated non-player characters in a database. I can pull a lot of information about them - their height, weight, down to eye color, hair color, and hair style. For this, I am solely interested in generating a graphical representation of the face. Currently the information is displayed with text in the nicest way possible, but I believe it's worth generating these faces for a more... human experience. Problem is, I'm not artist. I wouldn't mind commissioning an artist for this system, but I wouldn't know where to start. Were it 2007, I'd naturally think to myself that using Flash would be the best choice. I'd love to see "breathing" simulated. However, since Flash is on its way out, I'm not sure of a solid solution. With a previous game, I simply used layered .pngs to represent various aspects of the player's body: their armor, the face, the skin color. However, these solutions weren't very dynamic and felt very amateur. I can't go deep into this project feeling like that's an inferior way to present these faces, and I'm certain there's a better way. Can anyone give some suggestion on how to pull this off well?

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• Antenna Aligner Part 3: Kaspersky

  - by Chris George

  Quick one today. Since starting this project, I've been encountering times where Nomad fails to build my app. It would then take repeated attempts at building to then see a build go through successfully. Rob, who works on Nomad at Red Gate, investigated this and it showed that certain parts of the message required to trigger the 'cloud build' were not getting through to the Nomad app, causing the HTTP connection to stall until timeout. After much scratching heads, it turns out that the Kaspersky Internet Security system I have installed on my laptop at home, was being very aggressive and was causing the problem. Perhaps it's trying to protect me from myself? Anyway, we came up with an interim solution why the Nomad guys investigate with Kaspersky by setting Visual Studio to be a trusted application with the Kaspersky settings and setting it to not scan network traffic. Hey presto! This worked and I have not had a single build problem since (other than losing internet connection, or that embarrassing moment when you blame everyone else then realise you've accidentally switched off your wireless on the laptop).

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• Cannot mount USB drive -- FSTAB error

  - by user107646

  Recently, one of my desktops seems to have developed a problem with the fstab and mounting USB drives. The specific error I receive is... Unable to mount TRAVELDRIVE Error mounting: mount exited with exit code 1: helper failed with: Unprivileged user can not mount NTFS block devices using the external FUSE library. Either mount the volume as root, or rebuild NTFS-3G with integrated FUSE support and make it setuid root. Please see more information at http://tuxera.com/community/ntfs-3g-faq/#unprivileged The contents of my fstab are... /etc/fstab: static file system information. # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 #Entry for /dev/sdc1 : UUID=7e3431cd-522f-4e35-b286-4300fa702d4a / ext4 errors=remount-ro 0 1 #Entry for /dev/sda1 : UUID=60684D08684CDE82 /media/Archive ntfs-3g defaults,locale=en_US.UTF-8 0 0 #Entry for /dev/sdc5 : UUID=cd166221-4b1d-40f7-b9de-785208990587 none swap sw 0 0 /dev/sdd1 /media/sdd1 ntfs nls=iso8859-1,ro,users,umask=000,user 0 0 /dev/sdd5 /media/PS3 (fat32) vfat users,user 0 0 /dev/sdd5 /media/sdd5 vfat uid=m3talhead,users,user 0 0 I'm guessing its a problem with the duplicate /dev/sdd5 entries (?), but being the *nix noob I am, I'm not certain. What am I missing? Any assist is greatly appreciated!

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• Desktop Fun: Snow Covered Trees Wallpaper Collection

  - by Asian Angel

  Trees can become beautiful works of natural art when snow accumulates on them and make you feel as if you have stepped into another world when walking through them. So grab your jacket, gloves, and snowboots for a journey through this frosty scenery with our Snow Covered Trees Wallpaper Collection. Note: Click on the picture to see the full-size image—these wallpapers vary in size so you may need to crop, stretch, or place them on a colored background in order to best match them to your screen’s resolution. For more wallpapers be certain to see our great collections in the Desktop Fun section. Latest Features How-To Geek ETC HTG Projects: How to Create Your Own Custom Papercraft Toy How to Combine Rescue Disks to Create the Ultimate Windows Repair Disk What is Camera Raw, and Why Would a Professional Prefer it to JPG? The How-To Geek Guide to Audio Editing: The Basics How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 Arctic Theme for Windows 7 Gives Your Desktop an Icy Touch Install LibreOffice via PPA and Receive Auto-Updates in Ubuntu Creative Portraits Peek Inside the Guts of Modern Electronics Scenic Winter Lane Wallpaper to Create a Relaxing Mood Access Your Web Apps Directly Using the Context Menu in Chrome The Deep – Awesome Use of Metal Objects as Deep Sea Creatures [Video]

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• The Iron Bird Approach

  - by David Paquette

  It turns out that designing software is not so different than designing commercial aircraft.  I just finished watching a video that talked about the approach that Bombardier is taking in designing the new C Series aircraft.  I was struck by the similarities to agile approaches to software design.  In the video, Bombardier describes how they are using an Iron Bird to work through a number of design questions in advance of ever having a version of the aircraft that can ever be flown.  The Iron Bird is a life size replica of the plane.  Based on the name, I would assume the plane is built in a very heavy material that could never fly.  Using this replica, Bombardier is able to valid certain assumptions such as the length of each wire in the electric system.  They are also able to confirm that some parts are working properly (like the rudders).  They even go as far as to have a complete replica of the cockpit.  This allows Bombardier to put pilots in the cockpit to run through simulated take-off and landing sequences. The basic tenant of the approach seems to be Validate your design early with working prototypes Get feedback from users early, well in advance of finishing the end product   In software development, we tend to think of ourselves as special.  I often tell people that it is difficult to draw comparisons to building items in the physical world (“Building software is nothing like building a sky scraper”).  After watching this video, I am wondering if designing/building software is actually a lot like designing/building commercial aircraft.   Watch the video here (http://www.theglobeandmail.com/report-on-business/video/video-selling-the-c-series/article4400616/)

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• International search: how to show different domains in Google+ Local?

  - by Baumr

  Background A site has multiple ccTLDs: example.com for people in the US, example.co.uk for UK users, example.de for Germany, example.fr for France, etc. Searching for certain city keywords will return a list of Google+ Local (formerly Places): Each links to the corresponding company website that is visible. Problem When searching on www.google.de, the domain of the site intended for US users (example.com) appears instead of the corresponding ccTLD (example.de) aimed at German users. This applies to all languages. In my opinion and for the purposes of this business, it's not good user experience: searchers would most likely prefer to book on a site localized for them (e.g. in their language and currency). Question Is it possible to return different ccTLDs in these local search listings for users across the globe? Currently, Google+ Local seems to only support supports adding a single "Website" field. Solutions I have considered Creating duplicate Google Places listings for each URL would be spammy (and not viable when there's 100s of locations, each needing a listing in 8 languages). I don't see the hreflang annotation helping either, and GWMT geotargeting is already set.

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• What features are helpful when performing remote debugging / diagnostics?

  - by Pemdas

  Obviously, the easiest way to solve a bug is to be able to reproduce it in-house. However, sometimes that is not practical. For starters, users are often not very good at providing you with useful information. Customer Service: "what seems to be the issue?" User: "It crashed!" To further compound that, sometimes the bug only occurs under certain environmentally conditions that can not be adequately replicated in-house. With that in mind, it is important to build some sort of diagnostic framework into your product. What types of built-in diagnostic tools have you used or seen used? Logging seems to be the predominate method, which makes sense. We have a fairly sophisticated logging frame work in place with different levels of verbosity and the ability to filter on specific modules (actually we can filter down to the granularity of a single file). Error logs are placed strategically to manufacture a pretty good representation of a stack trace when an error occurs. We don't have the luxury of 10 million terabytes of disk space since I work on embedded platforms, so we have two ways of getting them off the system: a serial port and a syslog server. However, an issue we run into sometimes is actually getting the user to turn the logs on. Our current framework often requires some user interaction.

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• Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed

  - by Jason Fitzpatrick

  A smart phone in your pocket is great for on the go news, web browsing, and—of course—mobile gaming. It’s also fantastic for comparison shopping. Today we take a look at four Android scanners and price comparison engines. It’s quite a neat time to be a consumer. Historically if you wanted to do serious price comparisons you had to haul yourself around town, gather flyers from the newspapers, and otherwise invest way too much energy into potential savings that might not even break into double digits. Now you can comparison shop with an ease that borders on magic: by simply pulling out your smart phone and scanning the barcode or typing in the name of the item you wish to compare. Today we’re taking a look at some of the more popular and powerful barcode scanners and price comparison engines available for the Android platform. Before we get to that, a word on our methodology. To test the barcode scanners and the resulting search results we wandered around and rounded up some relatively random items from around the How-To Geek offices. This included a children’s graphic novel, a Wii game, a board game, a pack of razors, a box of tea, and a bottle of nail polish. It’s a decent spread of consumer items that covers several genres. For each application we scanned all the items, looked for the best price at the time, and noted any other relevant benefits of using one scanner over another. It’s worth noting that our primary focus was on the speed and ease of use. You may find that certain scanners have specific features that best suit your needs. What we focused on was how fast you could scan, compare prices, and purchase items if you desired. Since all the scanners are free-as-in-beer, feel free to download them all and run your own tests to confirm our conclusions. Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way HTG Explains: Do You Really Need to Defrag Your PC?

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• Oracle VM 3.1.1 build 365 released

  - by wcoekaer

  A few days ago we released a patch update for Oracle VM 3.1.1 (build 365). Oracle VM Manager 3.1.1 Build 365 is now available from My Oracle Support patch ID 14227416 Oracle VM Server 3.1.1 errata updates are, as usual, released on ULN in the ovm3_3.1.1_x86_64_patch channel. Just a reminder, when we publish errata for Oracle VM, the notifications are sent through the oraclevm-errata maillist. You can sign up here. Some of the bugfixes in 3.1.1 : 14054162 - Removes unnecessary locks when creating VNICs in a multi-threaded operation. 14111234 - Fixes the issue when discovering a virtual machine that has disks in a un-discovered repository or has un-discovered physical disks. 14054133 - Fixes a bug of object not found where vdisks are left stale in certain multi-thread operations. 14176607 - Fixes the issue where Oracle VM Manager would hang after a restart due to various tasks running jobs in the global context. 14136410 - Fixes the stale lock issue on multithreaded server where object not found error happens in some rare situations. 14186058 - Fixes the issue where Oracle VM Manager fails to discover the server or start the server after the server hardware configuration (i.e. BIOS) was modified. 14198734 - Fixes the issue where HTTP cannot be disabled. 14065401 - Fixes Oracle VM Manager UI time-out issue where the default value was not long enough for storage repository creation. 14163755 - Fixes the issue when migrating a virtual machine the list of target servers (and "other servers") was not ordered by name. 14163762 - Fixes the size of the "Edit Vlan Group" window to display all information correctly. 14197783 - Fixes the issue that navigation tree (servers) was not ordered by name. I strongly suggest everyone to use this latest build and also update the server to the latest version. have at it.

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• Advancing my Embedded knowledge.....with a CS degree.

  - by Mercfh

  So I graduated last December with a B.S. in Computer Science, in a pretty good well known engineering college. However towards the end I realized that I actually like Assembly/Lower level C programming more than I actually enjoy higher level abstracted OO stuff. (Like I Programmed my own Device Drivers for USB stuff in Linux, stuff like that) But.....I mean we really didn't concentrate much on that in college, perhaps an EE/CE degree would've been better, but I knew the classes......and things weren't THAT much different. I've messed around with Atmel AVR's/Arduino stuff (Mostly robotics) and Linux Kernals/Device Drivers. but I really want to enhance my skills and maybe one day get a job doing embedded stuff. (I have a job now, it's An entry level software dev/tester job, it's a good job but not exactly what my passion lies in) (Im pretty good with C and certain ASM's for specific microcontrollers) Is this even possible with a CS degree? or am I screwed? (since technically my degree usually doesn't involve much embedded stuff) If Im NOT screwed then what should I be studying/learning? How would I even go about it........ I guess I could eventually say "Experienced with XXXX Microcontrollers/ASM/etc...." but still, it wouldn't be the same as having a CE/EE degree. Also....going back to college isn't an option. just fyi. edit: Any book recommendations for "getting used to this stuff" I have ARM System-on-Chip Architecture (2nd edition) it's good.....for ARM stuff lol

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• How do I remove a LOT of indexed pages from Google?

  - by Thierry

  A few weeks ago we have figured out that Google has indexed some information we would rather keep in some confidentiality, in the format of individual PDF files. Our assumption was that this was a problem with our robots.txt we had overlooked. Even though we are not sure whether or not this is the case, we are certain that the robots.txt file is in a valid format and is, according to Google's webmaster tools, blocking the files. However, even after this adjustment that has been made weeks ago, Google still has the PDF files indexed, but does tell us further information cannot be provided due to the robots.txt file being present. As you can hopefully understand, this is unwanted behaviour due to the nature of the documents. I am aware that there is a request page being provided by Google for this purpose, but there are a lot of files. Is there an easier way to get Google to remove all of the files from its search engine? If not, is there anything else you could advise us to do besides manually requesting Google to remove every single page? Thanks in advance.

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• How to share code as open source?

  - by Ethel Evans

  I have a little program that I wrote for a local group to handle a somewhat complicated scheduling issue for scheduling multiple meetings in multiple locations that change weekly according to certain criteria. It's a niche need, but I wouldn't be surprised if there are other groups that could use software like this. In fact, we've had requests from others for directions on starting a group like this, and if their groups get as big, they might also want special software to help with scheduling. I plan to continue developing the program and eventually make it an online web app, but a very simple alpha version is completed as a console app. I'd like to make it available as open source, but I have no idea what kind of process I should go through first. Right now, all I have is Java code, not even unit-tested thoroughly. I haven't shown the code to anyone else. There is no documentation. I don't know where I would put the code so others could access it. I don't know anything about licensing it. I don't know what kind of support people will expect from me if I release it as open source. I have no idea what else I should worry about. Can someone outline for me (or post an article(s) that outlines) the process of taking open source software from "coded" to "completed / available"? I really don't want to embarrass myself by doing things weirdly.

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• What causes player box/world geometry glitches in old games?

  - by Alexander

  I'm looking to understand and find the terminology for what causes - or allows - players to interfere with geometry in old games. Famously, ID's Quake3 gave birth to a whole community of people breaking the physics by jumping, sliding, getting stuck and launching themselves off points in geometry. Some months ago (though I'd be darned if I can find it again!) I saw a conference held by Bungie's Vic DeLeon and a colleague in which Vic briefly discussed the issues he ran into while attempting to wrap 'collision' objects (please correct my terminology) around environment objects so that players could appear as though they were walking on organic surfaces, while not clipping through them or appear to be walking on air at certain points, due to complexities in the modeling. My aim is to compose a case study essay for University in which I can tackle this issue in games, drawing on early exploits and how techniques have changed to address such exploits and to aid in the gameplay itself. I have 3 current day example of where exploits still exist, however specifically targeting ID Software clearly shows they've massively improved their techniques between Q3 and Q4. So in summary, with your help please, I'd like to gain a slightly better understanding of this issue as a whole (its terminology mainly) so I can use terms and ask the right questions within the right contexts. In practical application, I know what it is, I know how to do it, but I don't have the benefit of level design knowledge yet and its technical widgety knick-knack terms =) Many thanks in advance AJ

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• Personalized Pricing

  - by David Dorf

  In past postings I've spent a fair amount of time talking about targeted promotions.  Using a complete view of the customer that includes purchase history, location history, and psychographics gleaned from social media, we can select the offer with the greatest chance of redemption.  This is done to influence shopping behavior, which might be introducing the consumer to a new product line, increasing their basket size, increasing frequency of purchases, etc. Safeway seems to be taking a slightly different approach with their personalized pricing.  In additional to offering electronic coupons and club card offers, they are also providing a personalized price for certain items based on purchase history.  So when Sally want to shop at Safeway, she first checks the "Just for U" website for three types of deals.  She starts by selecting manufacturer coupons to load into her loyalty card, then she checks the Club Card for offers like "buy one get one free." The third step is the interesting one.  Safeway will set a particular lower price for Sally good for 90 days on items she buys often.  Clearly this isn't enforcing a new behavior but rather instilling loyalty.  I would love to know exactly how they are determining the personalized price.  Of course bargain hunters can still stack the three offers so they can, for example, get their $4.99 Oatmeal for $0.72. I like this particular question and answer from their website's FAQ: My offers are not that great. Can I tell you what offers I need? That's a good idea. That functionality is not currently available, but we appreciate your input and are constantly improving our just for U program. Stay tuned for exciting enhancements! I suppose if Safeway is tracking all the purchases, they can easily determine whether the customer if profitable.  As long as the customer stays profitable, why not let them determine a few offers themselves?  Food for thought.

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• Make an object slide around an obstacle

  - by Isaiah

  I have path areas set up in a game I'm making for canvas/html5 and have got it working to keep the player within these areas. I have a function isOut(boundary, x, y) that returns true if the point is outside the boundary. What I do is check only the new position x/y separately with the corresponding old position x/y. Then if each one is out I assign them the past value from the frame before. The old positions are kept in a variable from a closure I made. like this: opos = [x,y];//old position npos = [x,y];//new position if(isOut(bound, npos[0], opos[1])){ npos[0] = opos[0]; //assign it the old x position } if(isOut(bound, opos[0], npos[1])){ npos[1] = opos[1]; //assign it the old y position } It looks nice and works good at certain angles, but if your boundary has diagonal regions it results in jittery motion. What's happening is the y pos exits the area while x doesn't and continues pushing the player to the side, once it has moved the player to the side a bit the player can move forward and then the y exits again and the whole process repeats. Anyone know how I may be able to achieve a smoother slide? I have access to the player's velocity vector, the angle, and the speed(when used with the angle). I can move the play with either angle/speed or x/yvelocities as I've built in backups to translate one to the other if either have been altered manually.

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• Technology Choice for a Client Application [on hold]

  - by AK_

  Not sure this is the right place to ask... I'm involved in the development of a new system, and now we are passing the demos stage. We need to build a proper client application. The platform we care most about is Windows, for now at least, but we would love to support other platforms, as long as it's free :-). Or at least very cheap. We anticipate two kinds of users: Occasional, coming mostly from the web. Professional, who would probably require more features, and better performance, and probably would prefer to see a native client. Our server exposes two APIs: A SOAP API, WCF behind the scenes, that supports 100% of the functionality. A small and very fast UDP + Binary API, that duplicates some of the functionality and is intended for the sake of performance for certain real-time scenarios. Our team is mostly proficient in .Net, C#, C++ development, and rather familiar with Web development (HTML, JavaScript). We are probably intending to develop two clients (for both user profiles), a web app, and a native app. Architecturally, we would like to have as many common components as possible. We would like to have several layers: Communication, Client Model, Client Logic, shared by both of the clients. We would also like to be able to add features to both clients when only the actual UI is a dual cost, and the rest is shared. We are looking at several technologies: WPF + Silverlight, Pure HTML, Flash / Flex (AIR?), Java (JavaFx?), and we are considering poking at WinRT(or whatever the proper name is). The question is which technology would you recommend and why? And which advantages or disadvantages will it have regarding our requirements?

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• Fun Upgrading to .Net 4.0

  - by Sam Abraham

  We are currently in the process of upgrading one of our applications to .Net 4.0. Aside from us geeks wanting to always use latest and greatest technologies, an immediate business need for Silverlight 4.0 features justified our upgrade endeavor. The following is a summary of some issues we ran into with our web project:   For security purposes, the IIS 7 .Net 4.0 ISAPI filter is disabled. “Allow” it from the ISAPI and CGI Restrictions screen as shown:   Figure 1 - Allowing ASP.Net 4.0 ISAPI Filter   By default the Web Setup Project only requires the .Net Framework 4 Client Profile to be installed on target system, which offers a lighter weight install for client machines consuming .Net 4.0 applications. However, using certain .Net 4.0 features requires the full .Net 4.0 Framework as outlined in this link: http://msdn.microsoft.com/en-us/library/cc656912.aspx. We hence needed to update the installer to require the complete .Net 4.0 Framework on the target machine and to prompt for its installation if needed.   To accomplish this goal, we updated the installer’s launch conditions to check for .Net 4.0 as well as the installer prerequisites as shown:     Figure 2- Ensure Web Setup Project runs on full .Net 4.0 version Figure 3 - Launch Conditions screen Figure 4 - Set launch condition to .Net 4.0. Figure 5 -Changing installer prerequisites Figure 6 -Changing installer prerequisites

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• how to stop the array of sprite in cocos2d?

  - by prakash s

  I am devoloping the bubble shooter game in cocos2d how to stop the sprite movement at the center of the game scene in my game bec i want to shoot the bubble after stopping the movenent at certain position here is my code -(void)addTarget { CGSize winSize = [[CCDirector sharedDirector] winSize]; NSMutableArray * movableSprites = [[NSMutableArray alloc] init]; NSArray *images = [NSArray arrayWithObjects:@"1.png", @"2.png", @"3.png", @"4.png",@"5.png", @"6.png", @"7.png",@"8.png" ,nil]; for(int i = 0; i < images.count; ++i) { int index = (arc4random() % 8)+1; NSString *image = [NSString stringWithFormat:@"%d.png", index]; CCSprite*target = [CCSprite spriteWithFile:image]; // generate random number based on size of array (array size is larger than 10) float offsetFraction = ((float)(i+1))/(images.count+1); //target.position = ccp(winSize.width*offsetFraction, winSize.height/2); target.position = ccp(350*offsetFraction, 460); [self addChild:target]; [movableSprites addObject:target]; id actionMove = [CCMoveTo actionWithDuration:10 position:ccp(350*offsetFraction, 100)]; id actionMoveDone = [CCCallFuncN actionWithTarget:self selector:@selector(spriteMoveFinished:)]; [target runAction:[CCSequence actions:actionMove, actionMoveDone, nil]]; } here bubbles are moving from top to bottom but after 5 rows my bubble movement should be stop so please help me to get that logic

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• Php profiling on production server or other options

  - by absentx

  Alright I need some help here. I am commonly asked to speed up certain sections of some websites that I program for. I have yet to be able to figure out how to use a good php diagnosis/profiling tool. Some things to consider: The sites I am working on are already built, getting a testing server set up locally is just a huge pain..I have to rewrite include paths and just so many things. This is a results oriented deal and spending days to get a site fully working on a testing platform so I can debug one page probably isn't an option. I can write tons of php, but I have no clue how to interact or mess with servers. So every tutorial I read about setting up xdebug or xhprof all seem to involve getting something installed on a production server that I don't have access to or have no clue how to work with. So are there any solutions out there that will show me where my php is slow without having to do all sorts of server stuff that I just don't know how to do? Xhprof seems to be the closest to useable for me but from what I can tell it still has to be installed on a server. If anyone can just point me in the right direction on this I would be very grateful. Maybe getting these things put on the server isn't a big deal...but I have never interacted with server command lines or anything like that. I suppose I should start sometime but I really have no idea where to start. Plus I realize that profiling on a live platform is not the greatest idea either but I feel I am in a tough spot. I have speed issues to solve and setting up a local environment while a great idea, just doesn't seem real practical at the moment.

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• Access Control Service: Home Realm Discovery (HRD) Gotcha

  - by Your DisplayName here!

  I really like ACS2. One feature that is very useful is home realm discovery. ACS provides a Nascar style list as well as discovery based on email addresses. You can take control of the home realm selection process yourself by downloading the JSON feed or by manually setting the home realm parameter. Plenty of options – the only option missing is turning it off… In other words, when you setup your ACS namespace and realm and register identity provider, there is no way to keep the list of identity providers secret. An interested “user” can always retrieve all registered identity provider (using the browser or download the JSON feed). This may not be an issue with web identity providers, but when you use ACS to federate with customers or business partners, you maybe don’t want to disclose that list to the public (or to other customers). This is an adoption blocker for certain situations. I hope this feature will be added soon. In addition I would also like to see a feature I call “home realm aliases”. Some random string that I can use as a whr parameter instead of using the real issuer URI.

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• Algorithm for optimal control on space ship using accelerometer input data

  - by mm24

  Does someone have a good algorithm for controlling a space ship in a vertical shooter game using acceleration data? I have done a simple algorithm, but works very badly. I save an initial acceleration value (used to calibrate the movement according to the user's initial position) and I do subtract it from the current acceleration so I get a "calibrated" value. The problem is that basing the movement solely on relative acceleration has an effect of loss of sensitivity: certain movements are independent from the initial position. Would anyone be able to share a a better solution? I am wondering if I should use/integrate also inputs from gyroscope hardware. Here is my sample of code for a Cocos2d iOS game: - (void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { if (calibrationLayer.visible){ [self evaluateCalibration:acceleration]; initialAccelleration=acceleration; return; } if([self evaluatePause]){ return; } ShooterScene * shooterScene = (ShooterScene *) [self parent]; ShipEntity *playerSprite = [shooterScene playerShip]; float accellerationtSensitivity = 0.5f; UIAccelerationValue xAccelleration = acceleration.x - initialAccelleration.x; UIAccelerationValue yAccelleration = acceleration.y - initialAccelleration.y; if(xAccelleration > 0.05 || xAccelleration < -0.05) { [playerSprite setPosition:CGPointMake(playerSprite.position.x + xAccelleration * 80, playerSprite.position.y + yAccelleration * 80)]; } else if(yAccelleration > 0.05 || yAccelleration < -0.05) { [playerSprite setPosition:CGPointMake(playerSprite.position.x + xAccelleration * 80, playerSprite.position.y + yAccelleration * 80)]; } }

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• Firmware/driver for Broadcom wifi card, PowerBook G4 running Ubuntu 12.04 [duplicate]

  - by user107831

  This question already has an answer here: How to Install Broadcom Wireless Drivers 40 answers This is my first time working with Ubuntu (or Linux), so please be patient. I am running Ubuntu 12.04-powerpc "Precise Pangolin" on a Mac PowerBook G4 with 1.67GHz processor. The firmware/driver for the wifi card is missing. For reasons not worth explaining, I cannot physically plug the computer into the network. I have another computer, a MacBook Pro running OSX, from which I can download files and port them by USB thumb drive. The wifi card in the PowerBook G4 is by Broadcom. The chip is BCM4306, rev. 3. The PCI number is 14e4:4302. I have downloaded b43-fwcutter_015-14_powerpc.deb and dropped it into the Home folder on the Ubuntu machine. However, it will not install. When I double-click, it opens with Ubuntu SoftwareCenter, but the "Install" button is inactive: I can't click it. There's a message beside the inactive button saying, "An older version of 'b43-fwcutter' is available in your normal software channels. Only install this file if you trust the origin." If I "right-click" the .deb file and open with Archive Manager, it shows me the "DEBIAN" and "usr" folders, but I'm unsure what to do from there...and fairly certain this is not the right way to do things. Maybe I have the wrong version of b43-fwcutter for my machine/version of Ubuntu? The documentation for this problem is a mess. It refers to all sorts of out-of-date Ubuntu versions and to an array of different "cutter" and firmware files. Maybe I'd be able to figure this out if I were a more seasoned Ubuntu user, but I have no idea why Sofware Center won't let me do the install. I would be VERY grateful for an explanation of how to get the wifi card working on this machine again. Thank you!

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• Should I expect my team to have more than a basic proficiency with our source control system?

  - by Joshua Smith

  My company switched from Subversion to Git about three months ago. We had weeks of advance notice prior to the switch. Since I'd never used Git before (or any other DVCS), I read Pro Git and spent a little time spinning up my own repositories and playing around, so that when we switched I'd be able to keep working with minimal pain. Now I'm the 'Git guy' by default. With a couple of exceptions, most of my team still has no idea how Git works. For example, they still think of branches as complete copies of the source code, and even go so far as to clone the repo into multiple folders (one per branch). They generally look at Git as a scary black box. Given the fundamental nature of source control in our daily work (not to mention the ridiculous amount of power Git affords us), I'm of the opinion that any dev who doesn't achieve a certain level of proficiency with it is a liability. Should I expect my team to have at least some understanding of how Git works internally, and how to use it beyond the most basic pull/merge/push operations? Or am I just making something out of nothing?

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