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• Tab Sweep - Devoxx questions, GlassFish Rest, APAC Java, Lift, JEPs, tools, ...

  - by alexismp

  Recent Tips and News on Java, Java EE 6, GlassFish & more : • Submit a question for Devoxx 2011 Keynotes (Moderator questions) • Devoxx for Java developers (The Java blog) • GlassFish REST Client: ComplexExample.java (Jason) • Oracle Technology Network site for Asia-Pacific developers (OTN APAC) • Notes on deploying Lift apps to GlassFish (Antonio) • Using JSR-250's @PostConstruct Annotation to Replace Spring's InitializingBean (DZone) • The future is in the JEPs (Stephen) • Comparison of Eclipse 3.6 and IntelliJ IDEA 10.5: Pros and Cons (Dzone)

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• How to set TV-out options under Linux of an Geforce 9600 GT video card

  - by polemon

  I'm using the TV-out connector of my Geforce 9600 GT to connect it to an old TV set. It's obviously in Composite mode, the other two cables of Component video are dead, only Pb/VIDEO labeled one gives me a signal. The picture appears black/white on the TV, I presume it's because the video card gives me an NTSC signal, but it's a PAL tv set. How do I change the TV-out from NTSC to PAL? My Component to SCART adapter hasn't arrived yet, but I think I should be able to set manually, whether the signal should be Composite or Component. How do I switch modes of the TV-out, between Component and Composite? I'm running Linux, so it's probably some settings I need to make in xorg.conf. Edit: I got this far: I need to set in the "Device" section of my xorg.conf: Option "TVStandard" "PAL-B" Option "TVOutFormat" "COMPOSITE" The whole section looks like this now: Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce 9600 GT" Option "AddARGBGLXVisuals" "True" Option "TVStandard" "PAL-B" Option "TVOutFormat" "COMPOSITE" EndSection How can I list all available settings for "TVStandard" and "TVOutFormat"?

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• Two different websites in one remote hosting

  - by Kor

  My client asked me that a website that is hosted in one server (and pointing there through a domain) should also be accessed (into a specific directory) from another domain, which is not pointing there. For example: http://www.foo.com, hosted at GoDaddy, with the full website http://www.bar.com, hosted at Bluehost, needs to access http://www.foo.com/bar, as if it was the http://www.bar.com's root. So, if anybody enters through http://www.bar.com, it should internally load http://www.foo.com/bar, without visually changing the url. I amb not sure if this is possible using .htaccess or anything like this. Could anybody show me some light? Thanks in advance

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• APress Deal of the Day 9/Jan/2011 - Pro Silverlight 3 in VB

  - by TATWORTH

  Today's $10 deal from APress at http://www.apress.com/info/dailydeal is Pro Silverlight 3 in VB Silverlight is a lightweight browser plug-in that frees your code from the traditional confines of the browser. It's a rules-changing, groundbreaking technology that allows you to run rich client applications right inside the browser. Even more impressively, it's able to host true .NET applications in non-Microsoft browsers (like Firefox) and on non-Microsoft platforms (like Mac OS X). Silverlight is still new and evolving fast, and you need a reliable guidebook to make sense of it.

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• Messed up partitions... system will not boot!

  - by someguy

  I did a really dumb thing. cfdisk threw an error at me saying "FATAL ERROR: Bad primary partition 3: Partition ends in the final partial cylinder", so I installed Partition Table Doctor to see if I could fix the problem. When the program started up, it told me there were problems with my partitions, and asked if I wanted them fixed (cannot remember real message, but I believe it had something to do with the cylinder boundaries), so, blindly, without thinking of the consequences, I did. Now, my system will not boot. I tried booting from the Windows 7 installation CD. I went to install a fresh copy, but it said that "No drives were found". I then opened up diskpart. According to diskpart, there is only one partition, containing one volume, assigned the letter "C". Before, I had four partitions! It is also saying that the file system is RAW. Is there any way I can fix this? I have important data that I do not want to lose. Later on... I tried fdisk with the option -l, which lists the partition table(s), and this is what I got: Ignoring extra extended partition 4 Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 64 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x163df116 Device Boot Start End Blocks Id System /dev/sda1 6 18 102400 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 18 7851 62918572+ 7 HPFS/NTFS /dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA) /dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA) /dev/sda3 13073 30403 139203193 7 HPFS/NTFS I don't know if this will help, but it's extra information, at least. Also, this is how I had my partitions: 40MB (Unallocated) 100MB (System Reserved) 60GB (Windows, C:) 40GB (Was reserved for secondary OS) ~132GB (Home, E:)

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• How can I clone or mirror a site without SEO penalties for duplicate content?

  - by Amanda

  I am a web developer and I want to create clones of the sites I've developed for clients, so that I have an "original copy" on a subdomain of my own website, so that I can showcase my work to new clients. What is the best way to not get my clients original websites penalised for duplicate content? I am planning to have a robots.txt file that disallows all robots, as well as using <link href="http://www.client-canonical-site.com/" rel="canonical" /> in the <head> of the pages. Is that sufficient? Should I use rel=nofollow on all the links as well?

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• Navigant Consulting Implements Oracle's PeopleSoft Enterprise 9.1 to Integrate Financial and HR Information

  - by jay.richey

  Integration to Help Global Consultancy Increase Business Productivity and Streamline Operations Redwood Shores, Calif. - Dec. 15, 2010 "Our business is based on the seamless execution and expertise of our highly-trained consultants and we're always seeking ways to improve processes so they can focus on providing excellent client service," said Changappa Kodendera, CIO, Navigant Consulting. "Our phased implementation of Oracle's PeopleSoft Enterprise 9.1 will provide us with a solid technology foundation that we can rely on to support our global consulting business, with a scalable platform that facilitates further improvement." Read the press release Watch their video

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• PHP, when to use iterators, how to buffer results?

  - by Jon L.

  When is it best to use Iterators in PHP, and how can they be implemented to best avoid loading all objects into memory simultaneously? Do any constructs exist in PHP so that we can queue up results of an operation for use with an Iterator, while again avoiding loading all objects into memory simultaneously? An example would be a curl HTTP request against a REST server In the case of an HTTP request that returns all results at once (a la curl), would we be better off to go with streaming results, and if so, are there any limitations or pitfalls to be aware of? If using streaming, is it better to replace curl with a PHP native stream/socket? My intention is to implement Iterators for a REST client, and separately a document ORM that I'm maintaining, but only if I can do so while gaining benefits from reduced memory usage, increased performance, etc. Thanks in advance for any responses :-)

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• Contract Programming - Deposit % and Payment Methods? Any advice is appreciated

  - by Rick

  I'm pretty new to doing contract work and finally landed a decent paying project. The guy actually offered to put down a deposit and I'm just wondering what percentage I should consider asking for. I was thinking around 25% since its not a terribly large project (only about 20 hours). Also, I can't use PayPal (have had a terrible experience with them freezing funds for no good reason) so I'm wondering if anyone can suggest other methods for the client to send the deposit / payment. I want to make it as easy as possible for them.. thanks for any advice

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• How to connect two ubuntu laptops using putty?

  - by VanillaTwilight

  I am trying to connect two ubuntu laptops(server and client) using putty here is the description : LAPTOP A : UBUNTU SERVER 12.04 KERNEL : 3.2.0 LAPTOP B : UBUNTU 12.04 KERNEL : 3.2.0 Initially , made following attempts: connecting ubuntu server to the internet( wireless network) using Referred link : www.ubuntuforums.org/showthread.php?t=1740726 installed openssh-server in the Laptop A. putty in Laptop B seen the different options in the /etc/ssh/sshd_config shows 'Access Denied' while trying to login in (after i have entered the correct password ) from the laptop B Referred link : http://naveenubuntu.blogspot.in/2012/08/receiving-access-denied-just-after.html Doesnt work. Please help.

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• Avoiding coupling

  - by Seralize

  It is also true that a system may become so coupled, where each class is dependent on other classes that depend on other classes, that it is no longer possible to make a change in one place without having a ripple effect and having to make subsequent changes in many places.[1] This is why using an interface or an abstract class can be valuable in any object-oriented software project. Quote from Wikipedia Starting from scratch I'm starting from scratch with a project that I recently finished because I found the code to be too tightly coupled and hard to refactor, even when using MVC. I will be using MVC on my new project aswell but want to try and avoid the pitfalls this time, hopefully with your help. Project summary My issue is that I really wish to keep the Controller as clean as possible, but it seems like I can't do this. The basic idea of the program is that the user picks wordlists which is sent to the game engine. It will pick random words from the lists until there are none left. Problem at hand My main problem is that the game will have 'modes', and need to check the input in different ways through a method called checkWord(), but exactly where to put this and how to abstract it properly is a challenge to me. I'm new to design patterns, so not sure whether there exist any might fit my problem. My own attempt at abstraction Here is what I've gotten so far after hours of 'refactoring' the design plans, and I know it's long, but it's the best I could do to try and give you an overview (Note: As this is the sketch, anything is subject to change, all help and advice is very welcome. Also note the marked coupling points): Wordlist class Wordlist { // Basic CRUD etc. here! // Other sample methods: public function wordlistCount($user_id) {} // Returns count of how many wordlists a user has public function getAll($user_id) {} // Returns all wordlists of a user } Word class Word { // Basic CRUD etc. here! // Other sample methods: public function wordCount($wordlist_id) {} // Returns count of words in a wordlist public function getAll($wordlist_id) {} // Returns all words from a wordlist public function getWordInfo($word_id) {} // Returns information about a word } Wordpicker class Wordpicker { // The class needs to know which words and wordlists to exclude protected $_used_words = array(); protected $_used_wordlists = array(); // Wordlists to pick words from protected $_wordlists = array(); /* Public Methods */ public function setWordlists($wordlists = array()) {} public function setUsedWords($used_words = array()) {} public function setUsedWordlists($used_wordlists = array()) {} public function getRandomWord() {} // COUPLING POINT! Will most likely need to communicate with both the Wordlist and Word classes /* Protected Methods */ protected function _checkAvailableWordlists() {} // COUPLING POINT! Might need to check if wordlists are deleted etc. protected function _checkAvailableWords() {} // COUPLING POINT! Method needs to get all words in a wordlist from the Word class } Game class Game { protected $_session_id; // The ID of a game session which gets stored in the database along with game details protected $_game_info = array(); // Game instantiation public function __construct($user_id) { if (! $this->_session_id = $this->_gameExists($user_id)) { // New game } else { // Resume game } } // This is the method I tried to make flexible by using abstract classes etc. // Does it even belong in this class at all? public function checkWord($answer, $native_word, $translation) {} // This method checks the answer against the native word / translation word, depending on game mode public function getGameInfo() {} // Returns information about a game session, or creates it if it does not exist public function deleteSession($session_id) {} // Deletes a game session from the database // Methods dealing with game session information protected function _gameExists($user_id) {} protected function _getProgress($session_id) {} protected function _updateProgress($game_info = array()) {} } The Game /* CONTROLLER */ /* "Guess the word" page */ // User input $game_type = $_POST['game_type']; // Chosen with radio buttons etc. $wordlists = $_POST['wordlists']; // Chosen with checkboxes etc. // Starts a new game or resumes one from the database $game = new Game($_SESSION['user_id']); $game_info = $game->getGameInfo(); // Instantiates a new Wordpicker $wordpicker = new Wordpicker(); $wordpicker->setWordlists((isset($game_info['wordlists'])) ? $game_info['wordlists'] : $wordlists); $wordpicker->setUsedWordlists((isset($game_info['used_wordlists'])) ? $game_info['used_wordlists'] : NULL); $wordpicker->setUsedWords((isset($game_info['used_words'])) ? $game_info['used_words'] : NULL); // Fetches an available word if (! $word_id = $wordpicker->getRandomWord()) { // No more words left - game over! $game->deleteSession($game_info['id']); redirect(); } else { // Presents word details to the user $word = new Word(); $word_info = $word->getWordInfo($word_id); } The Bit to Finish /* CONTROLLER */ /* "Check the answer" page */ // ?????????????????? ( http://pastebin.com/cc6MtLTR ) Make sure you toggle the 'Layout Width' to the right for a better view. Thanks in advance. Questions To which extent should objects be loosely coupled? If object A needs info from object B, how is it supposed to get this without losing too much cohesion? As suggested in the comments, models should hold all business logic. However, as objects should be independent, where to glue them together? Should the model contain some sort of "index" or "client" area which connects the dots? Edit: So basically what I should do for a start is to make a new model which I can more easily call with oneliners such as $model->doAction(); // Lots of code in here which uses classes! How about the method for checking words? Should it be it's own object? I'm not sure where I should put it as it's pretty much part of the 'game'. But on another hand, I could just leave out the 'abstraction and OOPness' and make it a method of the 'client model' which will be encapsulated from the controller anyway. Very unsure about this.

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• Syncing properties across a game server

  - by Vaughan Hilts

  I'm beginning to implement a simple scripting system into my networked server, and I've hit a snag. Before, I've been wrapping my calls into functions on objects that manipulate objects, but lately I've been finding this to be a pain for simple things. For example, if I set 'player.HP = 1'.. this works server-side. But the player side never sees this change unless I explicitly send a packet to inform the client. For many things like map swapping that require more complicated changes, like change X, Y, Map and do this.. I have a function. That's fine. But what about these small properties I want to sync?

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• How can I access old KMail emails after upgrading to Ubuntu 11.10?

  - by Gary Kleppe

  I initially installed Ubuntu 11.04 and used KMail for my email. All well and good. Then I upgraded to Ubuntu 11.10. Presumably an upgrade of KMail took place as part of this. Now KMail won't even run; when I try, it tells me "Failed to fetch the resource collection" and crashes. I don't mind switching to another email client, but I'd very much like to be able to recover all of the emails I have stored in KMail. Any suggestions on how to do this? Thanks for any help anyone can provide.

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• How can I clone or mirror a site without SEO penalties for duplicate content?

  - by Amanda

  I am a web developer and I want to create clones of the sites I've developed for clients, so that I have an "original copy" on a subdomain of my own website, so that I can showcase my work to new clients. What is the best way to not get my clients original websites penalised for duplicate content? I am planning to have a robots.txt file that disallows all robots, as well as using <link href="http://www.client-canonical-site.com/" rel="canonical" /> in the <head> of the pages. Is that sufficient? Should I use rel=nofollow on all the links as well?

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• Is the "One Description Table to rule them all" approch good?

  - by DavRob60

  Long ago, I worked (as a client) with a software which use a centralized table for it's codified element. Here, as far as I remember, how the table look like : Table_Name (PK) Field_Name (PK) Code (PK) Sort_Order Description So, instead of creating a table every time they need a codified field, they where just adding row in this table with the new Table_Name and Field_Name. I'm sometime tempted to use this pattern in some database I design, but I have resisted to this as from now, I think there's something wrong with this, but I cannot put the finger on it. It is just because you land with some of the structure logic within the Data or something else?

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• Meta Refresh for change of page name and content

  - by user3507399

  Hopefully just a quick one. I've got a client that is changing the name of a workshop that they run. This means a change of url, page title for keywords that they have first page ranking on. The keywords are still relevant so what I want to avoid is a 301 redirect to a page that has different keywords to the previous page. Is the best option to keep the old page live with url and title and use a meta refresh to redirect after a period of time (not instant)? That way the SEO ranking is retained for the previous workshop name while they work on the ranking for the name change? Would a 301 redirect have an inverse effect? Thanks!

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• with dash or not in domain [closed]

  - by menardmam

  Possible Duplicate: Is it better to put hyphens in a domain name ? I have to buy a domain it can be : somebigcompany.com or some-big-company.com I know, it's not a sample answer... but i like to know your point of view... the client what with no dash, i think for Google, and readability the dash is better... i have talk to a expert SEO that sait since panda update of the google algorithm it will be punish to have dash.. i don't believe it ! after your answer, i go to godaddy to buy it thanks in advance

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• Speed up ssh login using public key down to 0.1sec

  - by BarsMonster

  Hi! I am using Putty to login to my local server, but it takes about 1.5 seconds to login (from the click on 'connect' to working command prompt, most of time is spend on "Authenticating with public key..."). I know many see even slower speeds, but I would like to have not more than 0.1 login time. I already set UseDNS=no and allowed only IPv4 in putty client and reduced key length from 4k down to 1k. Any other suggestions to speed it further?

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• Disabled WiFi but it keeps re-enabling itself; want it to stay disabled

  - by Mike Uresti

  I have an Alienware X51 desktop with a wireless card, I have it connected via ethernet and want to permanently disable WiFi from ever using itself. When running Windows, I go to device manager and rightclick-disable the Wireless card and that takes care of my problem. Is there a similar method using Ubuntu 14.04? For now, I click on the network icon in the system tray and uncheck 'Enable wifi' but it seems to turn itself back on as I use my computer, I think I have the incident isolated to something with Steam. It seems like after I start the Steam client it always is re-enabled. Hopeful answer: Just disable/remove/block wireless card from ever working.

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• How does a government development shop transition to developing open source solutions?

  - by Rob Oesch

  Our shop has identified several reasons why releasing our software solutions to the open source community would be a good idea. However, there are several reasons from a business stand point why converting our shop to open source would be questioned. I need help from anyone out there who has gone through this transition, or is in the process. Specifically a government entity. About our shop: - We develop and support web and client applications for the local law enforcement community. - We are NOT a private company, rather a public sector entity Some questions that tend to come about when we have this discussion are: We're a government agency, so isn't our code already public? How do we protect ourselves from being 'hacked' if someone looks into our code? (There are obvious answers to this question like making sure you don't hard code passwords, etc. However, the discussion needs to consider an audience of executives who are very security conscience.)

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• jQuery/AJAX on old Computers/Browsers

  - by Andresch Serj

  I am working on a plattform that will have a lot of users in the so called "developing countries". So many of them will be using old computers and old browsers in tiny internet cafes. We want to make sure to give them a good user Experience and make sure the website loads as fast as possible. Problem is, that while you can save a lot of requeasts and time, using jQuery/AJAX, it also brings along a lot of Problems: - Will the Computers be powerfull enough to deal with the client side scripts? - Will the old Browsers handle jQuery? Does anyone have any experience with these sort of problems or might know of some sort of article on the topic?

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• I'm tempted to include easter eggs in my code - will this get me fired?

  - by blueberryfields

  While working on a portion of the code for our application, I've noticed an opportunity to include one of my side projects as an easter egg. I can do this in a way which I am certain will in no way harm anyone, and I've met with a significant and representative sample of our client base - I'm certain that those who have the knowledge and skills required to find the egg, will also find it humorous. How likely is it that I will get fired for including an easter egg in our application? For more context, the application is aimed at enterprise clients, and, while the users of it tend to be technical, geeky and will enjoy the egg, those in charge of purchasing are on the sales/marketing side of things. I can't even begin to guess how they would react. Edit: Yes, I've asked my manager. As you might expect in a corporate environment, the answer was: "I cannot condone this. You're on your own"

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• Looking for the better way to combine deep architecture refactoring with feature based development

  - by voroninp

  Problem statement: Given: TFS as Source Control Heavy desktop client application with tons of legacy code with bad or almost absent architecture design. Clients constantly requiring new features with sound quality, fast delivery and constantly complaining on user unfriendly UI. Problem: Application undoubtedly requires deep refactoring. This process inevitably makes application unstable and dedicated stabilization phase is needed. We've tried: Refactoring in master with periodical merges from master (MB) to feature branch (FB). (my mistake) Result: Many unstable branches. What we are advised: Create additional branch for refactoring (RB) periodically synchronizing it with MB via merge from MB to RB. After RB is stabilized we substitute master with RB and create new branch for further refactoring. This is the plan. But here I expect the real hell of merging MB to RB after merging any FB to MB. The main advantage: Stable master most of the time. Are there any better alternatives to the procees?

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• Persistent PuTTY sessions for multiple windows

  - by Tgr

  I'm working in various Linux environments through PuTTY connections which break from time to time. I'm looking for a solution to make the PuTTY windows persist (e.g. if I was editing a file, then after reconnecting I should be in the same editor with the same file open at the same place), with the following requirements: it shouldn't require any manual setup at the beginning of the session or after reconnection (I don't want to type in screen or anything like that) I have several windows open to the same machine with the same user, which tend to disconnect at the same time the number/role of windows is not constant (it's not like I have an mc window, a mysql window and a "script runner" window; sometimes I use one window for search or for SVN commands, other times I need several at the same time) sometimes I need to change the properties of the windows for a task (large window for grepping/editing, small windows because I need to see two of them at the same time, red background because I am modifying the live database in MySQL etc), so I need to get the same console back in the same window after a reconnect Is there a way to achieve this? I suppose I should use screen or something equivalent, but how does it know which window I am reconnecting from? Is there some way to pass a unique window identifier to the shell from PuTTY?

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• How activity id affects calculations such as schedule % complete when using a baseline?

  - by Jeffrey McDaniel

  Fields such as schedule % complete, planned value costs, etc. that use a baseline to help determine the value depend on the activity id's to match between the baseline project and the current project. If the activity id is changed the link is broken. In the P6 power client there is an internal guid that allows you to change the activity id in either the baseline or current project and still have these values related. In the P6 Reporting Database the activity id is used as the joining characteristic between which activities are a match between a baseline project and a current project.

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