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• How to achieve excellence in iOS Development? [on hold]

  - by Ashish Pisey

  I have been developing iOS apps for six months now and every day i find something new and exciting to learn. i feel blessed with apple docs and 3rd party APIs.I have four apps on the App Store.i have tried almost all the basic core features of iOS except core-data. MY recent interests are dynamic UI,physics(sprite kit) and social apps.As i feel lost in vast pool of knowledge,i would like to know from you expert iOS developers, what particular features should i concentrate on for the future? should i try opengl-es for 3d gaming for 64 bit processors or stick to basic 2d physics gaming for some time or the evergreen social apps category ? appreciate your help, thanx

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• Is there a downside of running too many Symfony applications for 1 website?

  - by gentrobot

  Recently I got access to a Symfony 1.2 project which is for just 1 website, but with too many applications. In the past, I have developed websites but with not more than 2 or 3 applications. The cross-application links are achieved by passing the full URL to the 'href' attribute. Since the site is still working absolutely fine, my question is will having too many front controllers (approximately 25-30) hamper the performance of the website? Should I just try to create Cross Application Links or put an additional effort in combining similar applications (I guess almost all of the site's frontend part) into 1 application but different modules ?

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• Should i expect real world questions from interviewing agency ? [closed]

  - by KPO

  I started coding almost a year ago. By "coding" I mean HTML(5), CSS(3), and only few times I implemented some AJAX and JavaScript. I am interviewing for a position that expects me to know HTML, CSS, JS, JQuery, and AJAX. I feel confident in HTML5/CSS3 subject area and somewhat ok with javascript. Will agency expect from me to write some code during the interview? I do have a live website as an example which contains snapshots of past projects which were sent to them. I am little nervous, so any tips or recommendations are welcome.

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• Good message board for a website (e.g. phpBB)

  - by unixman83

  Hi, What are the best (and most widely used) Linux-based message board softwares, and the pros and cons of each. e.g. Security Vulnerabilities, Performance on a cheap server, comes pre-packaged [RPM or DEB]. I am looking for the best message board software for my website. A VPS can run almost any software, so the sky is the limit! Free, doesn't require unreasonable number of hyperlinks to their website Security focused / Widely Used, vulnerabilities are found and fixed quick Easy to keep up-to-date, i.e. prepackaged / auto-update in some way Moderator features [like pinning / message preamble], account management Themeable, customize appearance a bit

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• Where's Gangnam?

  - by Mike Dietrich

  When somebody did mention "PSY" during a dinner at OOW this year with customers and colleagues from Korea I was completely clueless. I even didn't understand correctly who or what "PSY" is. I did forget about that until last week as a German online magazine did report on over 500 mio youtube hits for "Gangnam Style". Well ... I didn't know that I've almost missed a global phenomenon. And now I've learned that the song is omnipresent in Korea (and not only here) - and Gangnam is a really nice (and expensive) quarter of Seoul not that far away from my hotel. And if you need some rest during your lunch break you may watch these youtube vids - but don't blame me if you don't get the song out of your head anymore ... Gangnam Style by PSY Eton Style - my personal favorite Jakarta Flash Mob - wow! And NO - that's not the type of music I'd usually listen to!!!

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• Space in img:s "ALT" attribute good/bad for search engines?

  - by Camran

  I am trying to make it easier for search engines to crawl my website, as it is almost 100% dynamic. I have a couple of transparent images which are actually links to sections of my page. I wonder, if I add an "alt" attribute containing space characters to explain the target, will this improve SE rankings etc? For example: <img src="blabla.png" alt="post new classified"> Or will this just result in errors? Ànd, what should I put in the alt attribute if I can't use space? PS: Another different and short question, will javascript-rich content make a page less important to crawlers? Thanks

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• Pooling (Singleton) Objects Against Connection Pools

  - by kolossus

  Given the following scenario A canned enterprise application that maintains its own connection pool A homegrown client application to the enterprise app. This app is built using Spring framework, with the DAO pattern While I may have a simplistic view of this, I think the following line of thinking is sound: Having a fixed pool of DAO objects, holding on to connection objects from the pool. Clearly, the pool should be capable of scaling up (or down depending on need) and the connection objects must outnumber the DAOs by a healthy margin. Good Instantiating brand new DAOs for every request to access the enterprise app; each DAO will attempt to grab a connection from the pool and release it when it's done. Bad Since these are service objects, there will be no (mutable) state held by the objects (reduced risk of concurrency issues) I also think that with #1, there should be little to no resource contention, while in #2, there'll almost always be a DAO waiting to be serviced. Is my thinking correct and what could go wrong?

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• Java installation for Solaris Studio 12.2

  - by DemiSheep

  I have Solaris Studio almost working. My only issue seems to be Java. Here is what I get: ============================ aflory@aflory-laptop:~$ solstudio & [1] 1723 aflory@aflory-laptop:~$ Solaris Studio is unable to find a supported version of Java. Solaris Studio supports Java version 1.6.0_13 and newer and looks for a valid Java installation in the following order: 1) Location specified with --jdkhome command line option 2) In PATH environment variable 3) At /usr/jdk/latest location, if exists 4) At /usr/java location, if exists 5) At /usr location, if exists ============================ I try typing --jdkhome in the console but I get an command not found error. I have added the following to my /home/aflory/.bashrc file: PATH=$PATH:/usr/java/jdk1.6.0_24/bin:/home/aflory/solstudio12.2/bin export PATH I am running Ubuntu 10.04 64bit. I tried installing the 64 bit version of Java JDK, then I tried installing the 32bit version of Java JDK. I don't believe there is a 64bit version of Solaris Studio.

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• Unable to start Ubuntu 12.04. The system is running in low-graphics

  - by kaleidoscpicsoul

  I am a newbie to Ubuntu. I installed Ubuntu 12.04 using a USB Stick and it was running all fine for a few weeks and this error popped up. According to one of my friend, the best way was to re-install Ubuntu. Being from a non unix background i thought the same too and after the second install it happened again, but only this time was much quicker, in 3 days. I don't want to re-install Ubuntu every time this happens. I am a complete newbie to Linux which means that i am really bad at using terminal. I know there are other people who fixed this issue using this very same forum, but unfortunately the answers provided are too complex for me to understand. Please let me know how to do this. Things I want to let you know: I would need help step by step if that is alright with you. After i get the error i get the options and i click exit to console login I get the following message in a black screen (which i think is a command line sort of thing): * Stopping save kernel messages [OK] apache2: Could not reliably determine the server's fully qualified domain name,using 127.0.1.1 for ServerName [OK] * Starting web server apache2 and a blinking cursor. So basically it looks like a dead end for my non unixy eye. And one final thing is before this issue had happened i had tried configuring Python to Apache2. For that i had uninstalled and installed LAMP server several time and edited the configuration files too. I don't know if this really is a concern, but I don't know.. I have a USB with Ubuntu 12.04 in it so i can install it anytime. (But i want to know what the issue is rather than running away) . I migrated to Ubuntu from Windows and i have no plans to go back. I think that's from my side. Please let me know if there are any questions.

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• Perfect SEO Services

  India is golden market these days. The sales are directly proportional to the population of the area and as far as the population of India is concerned it is almost getting neck to neck with China which is the largest country in the world in terms of its population. With the advancement in Science and technology the ways doing all the jobs have changed. Even shopping has moved from physical work to online work. To attract people to your online shop, you need to get promotion of your business. If you are considering India as your primary target then I think it is time for you to find some SEO services in India.

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• Is there an (open-source) ReST-based blogging/forum package out there?

  - by Malvolio

  The site I work on is almost entirely in Javascript, it just goes back (via Ajax) to the server for authentication, database access, things like that. My boss would like me to add blogging, forum, and commenting capabilities. I don't want to implement it from scratch and I certainly don't want to integrate some HTML-generating PHP atrocity. Ideal, I'm looking for a package that does all the backend work and offers ReST interface so I can write a Javascript-based UI that integrates nicely with the existing site. Does such a thing exist?

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• HTG Explains: Do You Really Need to Defrag Your PC?

  - by The Geek

  Ask any PC tech person how to make your computer faster, and almost every one of them will tell you to defrag your PC. But do you really need to manually trigger a defrag these days? The quick answer: You don’t need to manually defragment a modern operating system. The longer answer: let’s go through a couple scenarios and explain so you can understand why you probably don’t need to defrag. HTG Explains: Do You Really Need to Defrag Your PC? Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive

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• Is it normal to sometimes take a while to get even basic things working in software development?

  - by user1092719

  This is a little hard to explain because it's a really generic question, but bear with me... I find that when I am doing or recreating basic things from scratch (i.e. without the help of libraries), sometimes it feels as though I'm taking much more time to do the task than is actually needed. I am not new to programming or development & design concepts and have worked extensively with around 9 languages and various platforms and paradigms over 5/6 years. Although I don't yet have any academic qualification for programming and have learned almost exclusively from the Internet, I have been told that the quality of my code is excellent by those with qualifications. So, I don't think I'm a bad programmer because I really love doing it and working with software architecture, but maybe I'm slow? Or is it normal to take sometimes longer than it seems necessary to do basic tasks?

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• What gaming keyboard(s) will work with Ubuntu?

  - by belacqua

  I've been looking at gaming keyboards to use on Ubuntu system. Microsoft has a few popular ones (e.g., Sidewinder X4, X6), but the programmable function keys appear to be unusable without the Windows software. (Though here's a post from someone who has a more recent project that uses usbmon and xdotool to add functions to some keys.) Another choice in my budget is the Cyborg V.05. It seems about right for my needs, but I would be depressed having a bunch of useless, nonprogrammable keys on it. Logitech has some models (e.g., the Logitech G110), though again I expect that the extensive macro capabilities (which I don't need) would be lost under Linux. There's a project called g15tools which has some code to work with older Logitech gaming models, but I don't know what the current status is. Last entry there was in March 2010. There are also a number of very old posts around the internet with regard to the Logitech G11 and G15. Compatibility with the current keyboards, Ubuntu version, and Linux kernel are suspect. I'm in the U.S., and so it appears that few of the Roccat keyboards are available, and they're over-priced. Support might be OK for these, though -- there's a short Phoronix article about Roccat improving their Linux support, and there's also a project and webpage for "Using Roccat Hardware with Linux". Honestly, the only feature I have to have is good backlighting for the keys, and if it's not wired (which is fine), the wireless capability should function. I could probably live with dead function keys, as long as they weren't in places that would interfere with things like Unity/compiz shortcuts. Any experience or suggestions? I've not seen much to inspire confidence with programmable/macro keys. There is a thread (with no solutions) on the Sidewinder X4 on ubuntuforums here. I'm also considering the Logitech Illuminated Keyboard as a possibility, even though it's not specifically a gaming keyboard. It is backlit, and it's supposed to be a nice keyboard.

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• Register Today for the Oracle Value Chain Summit 2013

  - by Pam Petropoulos

  Date: February 4 – 6, 2013 Location: Hyatt Regency San Francisco The Oracle Value Chain Summit will bring together users, partners, and luminaries to learn how Oracle is helping companies transform supply chains into value chains to gain competitive edge. This Summit will combine the intimate atmosphere of previous supply chain  events, such as the Oracle PLM and Oracle Maintenance Summits, under one roof and will include almost 200 sessions across all supply chain management solution areas. Oracle’s AutoVue enterprise visualization solutions will be featured as part of the PLM track, where they’ll be showcased within the context of Agile PLM, as well as Oracle’s next generation visualization solutions.   Don’t miss this opportunity to learn more about visualization successes and best practices through sessions featuring customer testimonials, solution demonstrations, and networking activities. Visit the event site for further details and agenda information. An early bird registration fee of $195 is available until December 31, 2012. Click here to register today!

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• Installing package + dependancies and removing them all

  - by Sman789

  I currently use Xubuntu and was considering installing/trying GNOME Shell or Cinnamon by installing their respective metapackage. However, doing so would result in a massive number of dependencies being installed which would be almost impossible to remove individually at a later date if I decided I didn't like it. I wonder, therefore, if there is a way that I can track which packages Synaptic automatically downloads as part of the process and create a script of some sort to remove them all as well. I could then rest assured that if I don't like any of my new desktop environments, I can remove them in full without leaving a load of other applications and libraries lying around. Thankyou for any help! :)

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• Google Indexing Issue after htaccess changes

  - by Klement

  I have a site called www.FuneralCoverFinder.co.za. I have about 30 pages on the site and usually have 29 indexed. (Excluding 15 blog posts) They are new. I recently upgraded my entire site and made some redirection changes in my .htaccess file. I have made my url's more SEO friendly (Removing index.php/) and redirecting dead pages to working pages. I have tons of unique content all checked by grammarly and plagium to ensure I have no duplicate content. I have since resubmited my sitemap to Google and now have only one page indexed. It was within a couple of minutes. I usually see results almost immediately after submitting, now it's stuck on 1 page indexed. I assume I might have made errors in the .htaccess file as this was my first attempt. The site runs perfectly and all the url's redirect the way they should. I'm scared I have some or other loop, although the website runs fine. I still see many of my old indexed pages in the SERP's, I'm just worried that the issue with the new sitemap can cause my rankings some harm. My website is pretty SEO optimized onsite. I have about 1500 indexed backlinks and have been building them steadily over about half a year. I would really appreciate some clarity on this matter.

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• When do you say "near ID" / "far ID" when using RTMFP in ActionScript 3?

  - by Panzercrisis

  I've been using RTMFP streaming for around a year in ActionScript 3, and I pretty much know the difference between a near ID and far ID. The near ID is your peer ID, and the far ID is the other guy's peer ID. The problem I'm having is that, to my knowledge, choosing whether to use one term or the other in a given sentence is a little like choosing whether to say "go" or "come". In English, "go" and "come" have opposite meanings, but ironically, they can still be used almost interchangeably. It's because whether you're going or coming is so heavily dependent on perspective, as opposed to anything concrete. Is the choice of words between "near ID" and "far ID" just as ambiguous, or is there some sort of method to the madness? Thanks!

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• What to do about "system running in low-graphics mode"?

  - by ubuntubabe

  My Dell which was 5 years old suddenly karked it and I had the "low graphics" black screen and useless dialogue box. As I believed it was a dead graphics card I went out and bought a brand new machine. I put aside the new machine and tried again in vain to open the Dell. I eventually got to the command line via Ctrl+Alt+F1. I logged into my account from there, and simply started a series of sudo apt-get remove of various softwares that I knew were installed on my PC (software without any great consequence like Google earth, tweak, Skype etc). Lo and behold after a sudo reboot my computer was fine again! So now I have 2 computers. BUT one week after buying the other one and installing 12.04 because I love Ubuntu, the SAME PROBLEM arrived! I once again deleted Google earth, Skype, and did a sudo reboot and everything worked as before. I think there is a bug or something in 12.04 as this problem has never arisen with any other versions of Ubuntu.

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• Time display and Cursor bug in Ubuntu 14.04 LTS

  - by user291774

  Just installed Ubuntu 14.04. Noticed the time in seconds speeds up then slows down to normal speed. The cursor for the keyboard has a strange rhythm; it stays normal, then slowly speeds up faster and faster till it looks like it's not blinking anymore, then goes back to normal and starts the process again. It almost seems like my whole operating system speeds up then slows down again. Even the hour circle that spins when it's loading starts slowly then it picks up speed till it spins so fast it looks like it's not even spinning. It interferes with video and the whole system. I have a Dell Vostro 3750 dual video cards and dual boot with Windows 7. Windows is running fine.

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• Gone in 60 Seconds: An Insecure Database is an Easy Target

  - by Troy Kitch

  According to the recent Verizon Data Breach Investigations Report, 98% of breached data originates from database servers and nearly half are compromised in less than a minute! Almost all victims are not even aware of a breach until a third party notifies them and nearly all breaches could have been avoided through the use of basic controls. Join us for this November 28th webcast to learn more about the evolving threats to databases that have resulted in over 1 billion stolen records. Also, hear how organizations can mitigate risks by adopting a defense-in-depth strategy that focuses on basic controls to secure data at the source - the database. There's no turning back the clock on stolen data, but you can put in place controls to ensure your organization won't be the next headline. Note, this webcast will be recorded for on-demand access after November 28th. 

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• How should I implement the repository pattern for complex object models?

  - by Eric Falsken

  Our data model has almost 200 classes that can be separated out into about a dozen functional areas. It would have been nice to use domains, but the separation isn't that clean and we can't change it. We're redesigning our DAL to use Entity Framework and most of the recommendations that I've seen suggest using a Repository pattern. However, none of the samples really deal with complex object models. Some implementations that I've found suggest the use of a repository-per-entity. This seems ridiculous and un-maintainable for large, complex models. Is it really necessary to create a UnitOfWork for each operation, and a Repository for each entity? I could end up with thousands of classes. I know this is unreasonable, but I've found very little guidance implementing Repository, Unit Of Work, and Entity Framework over complex models and realistic business applications.

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• How can I stay focused and motivated on a project?

  - by RTS

  I'm working on starting my own software development business, but I've noticed that I have major issues getting projects out by their deadlines, and in general getting them out of the "almost-done" stage. I feel my problem is that I like complex programming too much, and I end up rewriting code to make it cleaner/more efficient/less error prone as a means of putting off more "boring" development. I end up with polished applications at the end, but I spend twice as long on the project as I should have. If I ever want my company to succeed, I need to work on staying focused on what actually needs to be done, so the question is: What techniques do you use to keep yourself focused and motivated on a project, in your career?

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• Should I use events in this case?

  - by joon

  I'm creating a video player, like a custom YouTube player. All of the GUI elements (progress bar, video player, play button, ...) are different classes, but I obviously need them to communicate. When the progress bar is clicked, or the slider is moved, it needs to send a "seek(x)" command to the video player. Similarly, the video player needs to update the progressbar every frame. Currently I'm doing this by having almost all elements have a link to each other. So when I create the progress bar, I'm telling it where the video player is. But after a while this becomes more and more complicated, and I'm wondering if events would be a better way to do this. Or a main controller class that has all the connections. What should I do?

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• Does an inventory limit in an MMORPG make sense?

  - by Philipp

  I am currently developing a simple 2d MMORPG. My current focus is the inventory system. I am currently wondering if I should implement a limit on what a player character can carry. Either in form of a maximum weight, a limited number of inventory slots, or a combination of both. Almost every MMORPG I ever played limits inventory space. But plausibility aside, is this really necessary from a gameplay point of view? Maybe it would in fact improve the game experience when I just let the players carry as much stuff as they want. tl;dr: What is the game development rationale behind limiting carrying capacity of player characters?

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