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  • How can I solve the same problems a CB-architecture is trying to solve without using hacks? [on hold]

    - by Jefffrey
    A component based system's goal is to solve the problems that derives from inheritance: for example the fact that some parts of the code (that are called components) are reused by very different classes that, hypothetically, would lie in a very different branch of the inheritance tree. That's a very nice concept, but I've found out that CBS is often hard to accomplish without using ugly hacks. Implementations of this system are often far from clean. But I don't want to discuss this any further. My question is: how can I solve the same problems a CBS try to solve with a very clean interface? (possibly with examples, there are a lot of abstract talks about the "perfect" design already). Here's an example I was going for before realizing I was just reinventing inheritance again: class Human { public: Position position; Movement movement; Sprite sprite; // other human specific components }; class Zombie { Position position; Movement movement; Sprite sprite; // other zombie specific components }; After writing that I realized I needed an interface, otherwise I would have needed N containers for N different types of objects (or to use boost::variant to gather them all together). So I've thought of polymorphism (move what systems do in a CBS design into class specific functions): class Entity { public: virtual void on_event(Event) {} // not pure virtual on purpose virtual void on_update(World) {} virtual void on_draw(Window) {} }; class Human { private: Position position; Movement movement; Sprite sprite; public: virtual void on_event(Event) { ... } virtual void on_update(World) { ... } virtual void on_draw(Window) { ... } }; class Zombie { private: Position position; Movement movement; Sprite sprite; public: virtual void on_event(Event) { ... } virtual void on_update(World) { ... } virtual void on_draw(Window) { ... } }; Which was nice, except for the fact that now the outside world would not even be able to know where a Human is positioned (it does not have access to its position member). That would be useful to track the player position for collision detection or if on_update the Zombie would want to track down its nearest human to move towards him. So I added const Position& get_position() const; to both the Zombie and Human classes. And then I realized that both functionality were shared, so it should have gone to the common base class: Entity. Do you notice anything? Yes, with that methodology I would have a god Entity class full of common functionality (which is the thing I was trying to avoid in the first place).

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  • Alcatel-Lucent: Enterprise 2.0: The Top 5 Things I would Do Over

    - by Kellsey Ruppel
    Happy Monday! Does anyone else feel as if the weekend went entirely too quickly? At least for those of us in the United States, we have the 4th of July Holiday next week to look forward to This week on the blog, we are going to focus on "WebCenter by Example" and highlight best practices from customers and partners. I recently came across this article and I think this is a great example of how we can learn from one another when it comes to social collaboration adoption. Do you agree with Jem? What things or best practices have you learned in your organizations?  By Jem Janik, Enterprise community manager, Alcatel-Lucent  Not so long ago, Engage, the Alcatel-Lucent employee social network and collaboration platform, celebrated its third birthday. With more than 25,000 members actively interacting each month, Engage has been a big enough success that it’s been the subject of external articles, and often those of us who helped launch it will go out and speak about what aspects contributed to that success. Hindsight is still 20/20 and what it takes to successfully launch an enterprise 2.0 community is fairly well-known now.  Today I want to tell you what I suspect you really want to know about.  As the enterprise community manager for Engage, after three years in, what are the top 5 things I wish we (and I mostly mean me) could do over? #5 Define your analytics solution from the start There is so much to do when you launch a community and initially growing it without complete chaos is quite a task.  It doesn’t take too long to get to a point where you want to focus your continued efforts in growing company collaboration.  Do people truly talk across regional boundaries or have we shifted siloed conversations to a new platform.  Is there one organization that doesn’t interact with another? If you are lucky you’ll have someone in your community team well versed in the world of databases and SQL queries, but it takes time to figure out what backend analytics data actually means. Professional support can be expensive and it may be hard to justify later as it typically has the community manager as the only main customer.  Figure out what you think you’ll want to know and how to get it early on. The sooner the better even if it doesn’t seem that critical at the time. #4 Lobbies guide you to the right places One piece of feedback that comes up more and more as we keep growing Engage is it’s hard to find stuff, or new people are not sure where to start. Something we’re doing now is defining some general topic areas of interest to be like “lobbies” into the platform and some common hashtags to go with them. I liken this to walking into a large medical or professional building for the first time.  There are hundreds of offices, and you look to a sign in the lobby to get guided to the right place for you.  We’re building that sign for members now, but again we missed the boat as the majority of the company has had their initial Engage experience. #3 Clean up, clean up, clean up Knowledge work and folksonomies are messy! The day we opened the doors to Engage I would have said we should keep everything ever created in Engage with an argument that it was a window into our collective knowledge so nothing should go.  Well, 6000+ groups and 200,000+ pieces of content later, I’ve changed my mind.  As previously mentioned, with too much “stuff” the system can be overwhelming to new members and it makes it harder to get what you’re looking for.   Do we need that help document about a tool we no longer have? NO!  Do we need that group that had 1 document and 2 discussions in the last two years? NO! Should we only have one group about a given topic instead of 4?  YES! Last fall, Engage defined a cleanup process for groups not used for a long time.  We also formed a volunteer cleaning army who are extra eyes on the hunt for “stuff” that should be updated, merged, or deleted.  It’s better late than never, but in line with what’s becoming a theme I wish these efforts had started earlier. #2 Communications & local community management One of the most important aspects of my job is to make sure people who should be talking to each other are actually doing it.  Connecting people to the other people they should know, the groups they should join, a piece of content that shouldn’t be missed.   I have worked both inside and outside of communications teams, and they are the best informed people in your company.  They know when something big is coming, how it impacts employees, how it fits with strategy, who else knows more, etc.  Having communications professionals who are power users can help scale up community management because they are already so well connected.  They also need to have the platform skills to pay attention without suffering email overload, how to grab someone’s attention, etc.  I wish I’d had figured this out much earlier.  If I had I would have groomed more communications colleagues into advocates and power members right at the start. #1 Grooming advocates vs. natural advocates I’ve just alluded to this above already. The very best advocates are those who naturally embrace your platform and automatically start to see new ways to work within it.  Those advocates seem to come out of the woodwork naturally since some of them are early adopters.  Not surprisingly, our best advocates today are those same people who were willing to come kick the tires when the community was completely empty.  Unfortunately, we didn’t get a global spread of those natural advocates.  I did ask around when we first launched for other people who might be good candidates, but didn’t push too hard as there were so many other things to get ready.  That was a mistake.  If I could get a redo I would have formally asked for people to be assigned where there were gaps and groomed them into an advocate.  Today as we find new advocates to fill the gaps, people are hesitant as the initial set has three years of practice are ahead of the curve power members; it definitely would have been easier earlier on. As fairly early adopters to corporate scale enterprise collaboration, there hasn’t been a roadmap to follow as we’ve grown Engage, which is part of the fun! It’s clear a lot of issues are more easily tackled the earlier you identify and begin to correct them, and I’ve identified the main five I wish I could redo.  In the spirit of collaboration, I hope someone else learns from my mistakes! View the original article by Jem here. 

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  • Make My Own Website - WordPress Plugin SI CAPTCHA Anti-Spam

    Computer-generated blog comments can be annoying and bothersome. Working to review these website or blog's comments and determine, which have been posted by a computer or a "bot" can be time-consuming and tedious. Here is a way how to keep your website clean, without unwanted automatic comments.

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  • I erased osx when i installed ubuntu, how do i set up dual boot

    - by mandy
    I have a macbook pro 8,1 running ubuntu 11.10 on it. Before I wiped osx clean off it, i was running osx lion. This computer was shipped with snow leopard on it so i know it will work on it, but when i try to run the install disk (Even before ubuntu while on lion) i got all kinds of kernel panic and it told me to restart my computer. i just want a dual boot set up so how do i make a partition in ubuntu and put mac on it?

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  • Game state management (Game, Menu, Titlescreen, etc)

    - by munchor
    Basically, in every single game I've made so far, I always have a variable like "current_state", which can be "game", "titlescreen", "gameoverscreen", etc. And then on my Update function I have a huge: if current_state == "game" game stuf ... else if current_state == "titlescreen" ... However, I don't feel like this is a professional/clean way of handling states. Any ideas on how to do this in a better way? Or is this the standard way?

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  • What browser do you build in? [closed]

    - by Ryan
    Lately I have been using Chrome, but I am starting to think I should use FF. What are the advantages and disadvantages of the various mainstream browsers (with an emphasis on Chrome and FF) when doing web development? Is it easier to start with clean code for a relatively conforming browser, and later add hacks/workarounds for acceptable display with less conforming browsers, or is it easier to work with a variety of browsers from the beginning, so we never have a page that's completely unacceptable with, for example, IE 6?

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  • I am having a error with installing everything!

    - by Justin Baskaran
    Everytime I go to install wine, playonlinux I get this error:![enter image description here][1] Then I get other variations too but this altogether... People on other posts say I have to do a clean install is this right...I dont want to but if I have too I will... Pakcage dependencies cannot be resolved This error could be caused by required additonal software pakcages... details the following packages have unment dependencies: playonlinux

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  • Beveled Premium WordPress Theme by Woothemes

    - by Edward
    Another Beautiful, clean and crisp yet Responsive Design by Woothemes, the theme scales to fit on all browser widths/resolutions and on all mobile devices. Includes a featured Portfolio Slider along with the custom homepage featured slider to showcase portfolio content if you need, powered by FlexSlider, which works also on mobile devices. Incorporate Custom Widgets [...] Related posts:Free WP WooThemes Icon Set Top 10 Premium WordPress Themes Wootube WordPress Video Blog Theme

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  • Printer image correction

    - by Matthew Shinal
    Here is my problem: my printer and scanner (HP psc2410xi) prints darker than the photos taken and teh scanner has a background fuzz. I want to create and install files to have the printer lighten the photos it prints (yellow becomes dark yellow, etc) and delete the "fuzz" from the scanner image (you can see it on a blank scan and yes I did clean the scanner). I'm thinking there is a way to take a printed image, scan that in, and subtract the two images from each other to get the correction factor.

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  • Browser redirection

    - by Xiad
    I am always getting redirecting to this http://search.tedata.net tedata is my internet provider . I called them they say they can't help unless I have windows but I don't want to go back to windows I tried rootkit hunter but it didn't work either I don't know what is wrong , how could this keep coming up even after formatting my hard ? is it possible that the ubuntu version I have downloaded from the website is defective , the problem didn't appear with linux mint or xubuntu it only appeared when I replaced unity with cinnamon but now it appears right away after clean installation of ubuntu 12.04

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  • How do you transition from a desktop developer to a web based role?

    - by Fanatic23
    Background: Developer with loads of experience in desktop computing. C++, Java etc Wants to dabble in: Living social. Yeah, you guessed it right -- website development. Perhaps will need to learn PHP or Javascript, SOAP, XML etc. Positives: Knows nothing about ASP or jQuery -- clean slate really. What's that 1 piece of advice that you'd give here? Could be anything: choice of technology, frameworks, potential pitfall and portability issues etc.

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  • Less is more. But still less.

    <b>Mark Shuttleworth:</b> "One of the driving mantras for us is &#8220;less is more&#8221;. I want us to &#8220;clean up, simplify, streamline, focus&#8221; the user experience work that we lead."

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  • How to Sync iTunes to Your Android Phone

    - by Zainul Franciscus
    If you have iTunes, and you don’t have an iPhone – but an Android phone instead, syncing iTunes to your phone can be frustrating. So here are some tips to sync iTunes and make sure your cover art works well on your Android phone.How To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)Learn How to Make HDR Images in Photoshop or GIMP With a Simple Trick

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  • USB mouse / keyboard not working after suspend

    - by Frode
    After upgrade from 12.04 to 12.10, the USB mouse/keyboard is not working when the laptop wake up from suspend. I need to remove and insert the USB dongle to get keyboard/mouse working again. This was not a problem before the upgrade. 6 months ago I had the same problem when upgrading from 11.10 to 12.04. At that time I solved it by doing a clean install of 12.04. Updated: Issue resolved after installing ppa:xubuntu-dev/xfce-4.12

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  • A couple of links to our products and 10 pages of crack/keygen/torrent/etc.

    - by devdept
    If you try searching for our company and product name you'll get two useful links and 10 pages of hacker sites where eventually you can download the cracked version of our products. How can we clean hacker links and leave only useful links to our prouct pages? We already checked the Google URL Removal Tool but within the 'Removal Type' options we can specify there is nothing meaningful to specify in this case. Shall we proceed the same? Thanks.

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  • Responsive WordPress Theme Eleven40 by Studiopress

    - by Edward
    Eleven40 is a responsive layout premium WordPress child theme by StudioPress for the Genesis Framework. The theme is a crisp & clean layout that extends upto 1140 pixels in width with sixe other narrower content layouts in its responsive layout. Eleven40 theme pack include 4 colour schemes, six post / page layout options, custom menus [...] Related posts:Genesis WordPress Theme Framework Beveled Premium WordPress Theme by Woothemes PhotoNote WordPress Theme by WPZOOM

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  • Learning by doing (and programming by trial and error)

    - by AlexBottoni
    How do you learn a new platform/toolkit while producing working code and keeping your codebase clean? When I know what I can do with the underlying platform and toolkit, I usually do this: I create a new branch (with GIT, in my case) I write a few unit tests (with JUnit, for example) I write my code until it passes my tests So far, so good. The problem is that very often I do not know what I can do with the toolkit because it is brand new to me. I work as a consulant so I cannot have my preferred language/platform/toolkit. I have to cope with whatever the customer uses for the task at hand. Most often, I have to deal (often in a hurry) with a large toolkit that I know very little so I'm forced to "learn by doing" (actually, programming by "trial and error") and this makes me anxious. Please note that, at some point in the learning process, usually I already have: read one or more five-stars books followed one or more web tutorials (writing working code a line at a time) created a couple of small experimental projects with my IDE (IntelliJ IDEA, at the moment. I use Eclipse, Netbeans and others, as well.) Despite all my efforts, at this point usually I can just have a coarse understanding of the platform/toolkit I have to use. I cannot yet grasp each and every detail. This means that each and every new feature that involves some data preparation and some non-trivial algorithm is a pain to implement and requires a lot of trial-and-error. Unfortunately, working by trial-and-error is neither safe nor easy. Actually, this is the phase that makes me most anxious: experimenting with a new toolkit while producing working code and keeping my codebase clean. Usually, at this stage I cannot use the Eclipse Scrapbook because the code I have to write is already too large and complex for this small tool. In the same way, I cannot use any more an indipendent small project for my experiments because I need to try the new code in place. I can just write my code in place and rely on GIT for a safe bail-out. This makes me anxious because this kind of intertwined, half-ripe code can rapidly become incredibly hard to manage. How do you face this phase of the development process? How do you learn-by-doing without making a mess of your codebase? Any tips&tricks, best practice or something like that?

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