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  • How to access functions in extended classes efficiently?

    - by nischayn22
    In PHP I have classes as below class Animal { //some vars public function printname(){ echo $this->name; } } class AnimalMySql extends Animal { static public function getTableFields(){ return array(); } } class AnimalPostgreSql extends Animal { static public function getTableFields(){ return array(); } } Now I have an object $lion = new Animal(); and I want to do if($store == mysql) //getTableFields from class AnimalMySql else //getTableFields form class AnimalPostgreSql I am new to OOP and not sure what is the best way to call the method from the specific class P.S. Please leave a note with the answer to explain the efficiency of the approach

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  • Will I get penalised by google for overflow hidden? [duplicate]

    - by Rascal Capac
    This question already has an answer here: How bad is it to use display: none in CSS? 5 answers I have 2 divs next to each other, div A and div B. Div A displays a whole wordpress post and div B displays about 15 excerpts of posts with the same tag. To get this looking nice I set the hight of div B to be the same as the hight of div A with javaScript. This means alot of post excerpts will be hidden due to overflow hidden on div B. Will Google penalise me for this, and if so, how can I make this work and still please Google? Ps. I would gladly prevent the excerpts from being indexed but the main post must be indexed Ds.

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  • Setting up programs to startup at login

    - by Dhartman3076
    Have a new ponder hoping someone can answer. Keep in mind I am very new at linux and Ubuntu 14.04. What I would like to setup is setting certain programs to load at login to my account. I have not found a startup folder or setup options for programs to load at startup. Any Ideas? Please remember I am very new to linux and Ubuntu desktop. I am still learning my way around and the code for terminal sessions. So please be very descriptive in responses. Thank you...

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  • Port an existing Quickly app from precise to quantal

    - by Ian B.
    I've developed an app using Quickly on a 12.04 system. In preparation for the 12.10 release, I'd like to have launchpad build a version for Quantal so that it can be used and tested by people from my ppa. I'm not willing to upgrade my system yet (I depend on it for work), how can I do this from 12.04 and my current quickly project? I have a virtualbox with 12.10 installed for testing, but I don't want to copy over the quickly project if I don't have to. Ideally, an answer should work with the quickly submitubuntu command so that it is packaged for installation in the /opt/extras.ubuntu.com directory.

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  • fresh install, update and x-windows no longer working after login 12.10

    - by Tigz
    I Just recently installed desktop 12.10 on laptop, all was working fine logged in and it stated it wanted to update as it found updates. naturally I let it update and it asked me to reboot to use the new updates did that, now it boots fine i get login prompt. login as per normal then all i get is background with nothing else, if i turn off the wireless i get the disconnection notification pop up but i have nothing else on screen any wrror messages gets displayed as well but their is nothing. their was one program that failed that no longer prompts which gives options of reloading or just closing and continuing either way it just look like it hangs I can ctrl alt del to log out and it does that fine but still wont load no mater how many times i try saw a topic about a ati driver playing up which he typed the following in a ty which i can get to all of them as well. export DISPLAY=:0;gnome-shell --replace the answer i got back was the program gnome-shell is not installed you can install it by typing sudo apt-get install gnome-shell i also tried sudo pkill X which did nothing any help would be appreciated Thanks

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  • Find the new coordinates using a starting point, a distance, and an angle

    - by dqhendricks
    Okay, say I have a point coordinate. var coordinate = { x: 10, y: 20 }; Now I also have a distance and an angle. var distance = 20; var angle = 72; The problem I am trying to solve is, if I want to travel 20 points in the direction of angle from the starting coordinate, how can I find what my new coordinates will be? I know the answer involves things like sin/cosin, because I used to know how to do this, but I have since forgotten the formula. Can anyone help?

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  • Domain Model and Querying

    - by Tyrsius
    I am new to DDD, having worked only in Transaction-Script apps with an anemic model, or just Big Balls of Mud, so please forgive any terminology I abuse. I am trying to understand the proper separation between the domain model and the repository. What is the proper way to construct a domain object that is coming from a database, assuming the (incredibly simplified) need to query for objects by status (returns enumerable), or by ID. Should a factory be building the objects, exposing methods for GetByStatus() and GetByID(), using a DIed repository? Should a repository be called directly, knowing how to build a domain model from the DTO? Should the domain model have a constructor for get by ID, using a DIed repoistory to load the initial state, using some other (?) method for the list? I am not really sure what the best way would be, and this question has an answer advocating each one (these are certainly mutuallu exclusive).

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  • Help me to find a good name for my website

    - by framomo86
    Hi guys, I have a web marketing question for you. I'm looking for a good domain name for my web app. This site is about writing. Any kind of user generated writings including poetry, aphorisms, short stories, song lyrics etc. I have some candidates, but I think it can be better. . I want the name to promote very good quality words, not just random facebook-like status updates. This is my list, but I think you can do better, any help would be very very appreciated. I promise to add your name in my credit if i pick your answer. Thanks Yourwritings Youwrite Beautifulwords thewriter writingshare

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  • How can I convince a project manager that there is no way to solve all the compatibility issues?

    - by SAFAD
    I have been working on this project for more than a year now, and we are close to release, the project manager wants the product to be perfect and working in every single aspect. I like that and I love working under the perfection idea, but it seems he is delaying the launch too much because of compatibility issues, he wants the product to work in every single installation, every single configuration possible, and in most cases, the product just works without issues when it's on the hands of the client. UPDATE : yes the product doesn't work properly when there are conflicts, for example, other products that don't use guidelines nor standards to load libraries (causes double library load which leads to failure), cache is another example and so on..... but we warn the clients about the conflict before purchasing and help them fixing it after purchasing I've tried to explain it by giving some examples on major products, he understands the situation, but can not believe that it is near impossible (if it is not impossible) to do what he wants. Hope it is clarified enough for the community to answer.

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  • cursor jumps when moving (and some other times)

    - by nyne
    i updated to 12.10 beta 1 when it was released (coming from 12.04 fresh install, i skipped the alpha releases of 12.10) since then i've done all the usual updates but ive had an issue with my cursor jumping. it does not jump when typing, i've done a lot of searching and cant find an answer, it tends to happen most when i move the cursor the jump is maybe 15-20 pixels down and to the right it seems like a display issue because if i hover over a link or the x to close a window the cursor will settle in it's down/right position, but the whatever im hovering over will still act as if that's where the mouse is, and clicking still works on the item. so the mouse is actually in its original location, but it's displaying offset and flickering back and forth from its down/right position and its correct position this makes use very difficult because the mouse is never displayed where it actually is and i have to estimate my clicks any ideas?

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  • Improving FAQ SEO with multiple pages?

    - by asdfasdf
    I have a client who has over 200 Question/Answer style content blocks. Neither the questions or answers are very long and most of them have almost the same question but with a word or two differentiating themselves from the rest of the questions. Would SEO be helped or hurt if I would to put each QA on its own page with the title of the page the question being asked etc... Or, would that be considered "farming"? If not, what would be the best way (in SEO world) do present all these QAs? Thanks for any advice..

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  • What are the challenges and benefits of writing games with a functional language?

    - by McMuttons
    While I know that functional languages aren't the most commonly used for game writing, there are a lot of benefits associate with them that seem like they would be interesting in any programming context. Especially the ease of parallelization I would think could be very useful as focus is moving toward more and more processors. Also, with F# as a new member of the .NET family, it can be used directly with XNA, for example, which lowers the threshold quite a bit, as opposed to going with LISP, Haskell, Erlang, etc. If anyone has experience writing games with functional code, what has turned out to be the positives and negatives? What was it suited for, what not? Edit: Finding it hard to decide that there's a single good answer for this, so it's probably better suited as a community wiki post.

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  • Is it a bad practice to have an interface to define constants?

    - by FabianB
    I am writing a set of junit test classes in java. There are several constants, for example strings that I will need in different test classes. I am thinking about an interface that defines them and every test class would implement it. The benefits I see there are: easy access to constants: "MY_CONSTANT" instead of "ThatClass.MY_CONSTANT" each constant defined only once Is this approach rather a good or bad practice? I feel like abusing the concept of interfaces a little bit. You can answer generally about interfaces/constants, but also about unit tests if there is something special about it.

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  • Java EE/GlassFish Testimonials

    - by reza_rahman
    A key question to answer for Java EE and GlassFish centers on proof of successful adoption. To that end, we have made a serious effort to ask Java EE/GlassFish adopters to tell us their stories. There were a number of such stories shared at this year's GlassFish Community event at JavaOne. One that particularly stands out is a testimonial by celebrated Java EE advocate and independent consultant Adam Bien. For those of you that don't know it, Adam was given the "Top Java Ambassador" award by this year's JAX Innvovation Awards. See what Adam had to say here. We'll share more of these testimonials in days to come, so stay tuned.

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  • "An upgrade from 'precise' to 'oneiric' is not unsupported with this tool" error while upgrading

    - by tas
    A brief electrical outage interrupted my 12.04 upgrade. After many tries, which included trying to upgrade from a command line, I was able to access Ubuntu screens again. I find that the 12.04 upgrade was indeed not completed; I am still running 11.10. However, Update Manager does not give me the option of installing 12.o4 now. And, when I run Update Manager, I am asked if I want to execute a "partial install." When I answer "yes," I receive the message above. Besides a clean install, any ideas about what can I do to upgrade to 12.4?

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  • How do I edit keyboard preferences from the command line?

    - by jumpnett
    I want to swap the Caps Lock and Escape key as specified in this answer: Use the keyboard preferences to swap Caps Lock and Escape - seriously, how often do you use Caps Lock? Using vim you will be using Escape all the time, and having it available on the home row makes a huge difference. With the standard Ubuntu desktop, go through the menus: System - Preferences - Keyboard - Layouts tab. Then hit the "Layout Options" button, click on the triangle next to "Caps Lock key behaviour" and select "Swap ESC and CapsLock". but, I'm using Ubuntu Server with no gui, so how would I do this from the command line?

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  • How can you procedurally place objects in a non-gridded game?

    - by nickbadal
    This is a follow-up question to this question. I mistakenly worded the question, but got a good answer before I could correct myself, so I didn't want to delete it. Sorry! Now that I know that it is possible, I'd like to implement procedural world generation, but I don't want it to look gridded or blocky, where everything is obviously placed on an integer grid. I know that you can do this in gridded worlds by inputting a square's x and y into a noise function, or similar, but how can I generate a more natural looking object placement using procedural methods? This is in the context of an adventure game, if it matters.

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  • Event Aggregator.. not getting a response, how to determine completion?

    - by Duncan_m
    I'm rewriting a vehicle tracking application, a google maps based thing.. The users are able to search for a vehicle by typing a few characters of the vehicles "callsign". My application is based around a sort of "event bus" within Backbone.. when a search occurs I send a message on the bus saying something like "does anyone match this?".. If a marker matches the search term it responds with a sort of "yes, I match!".. My challenge arises when no-one matches, I get no response.. it feels a little hacky to "wait a little while" and check if a response has been recieved.. The application is based around Backbone.js and using the Event Aggregator pattern described in the answer to this question on Stack Overflow: http://stackoverflow.com/questions/7708195/access-function-in-one-view-from-another-in-backbone-js Is there a well defined design pattern that might assist me here? Sending a request for a response and not getting any responses?

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  • Big delay to open web pages on Ubuntu 11.10; also slow torrent client speed

    - by user54234
    The keywords for my issue are too common among other issues, so, I couldn't find anything that could answer me: why will it take around 30+ seconds for any of my browsers to open a page? happens even with google.com... with both Firefox and Chromium. This does not happen while I use Windows, from exactly the same point at my house (I've got enough wi-fi signal here for sure). Also, the standard torrent client won't hit the max download speed... I can hit 1 Mb/s with utorrent on Windows, and can't go over 300 kbps here. I tried changing the program settings, no results. Please help me. I REALLY don't wanna go back to Windows. Thanks in advance, I admire this community, and I'm sorry that I couldn't find something that could help me. I already solved a lot of issues without asking, but couldn't do it this time.

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  • How do I disable the upgrade to new version warning? [duplicate]

    - by Anatoliy
    This question already has an answer here: Disable Ubuntu Update Manager's new version warning 2 answers After I allowed Ubuntu on my notebook to upgrade to 13.4, it lost Wi-Fi connection. Network menu does not show wireless access points, but according to syslog it establishes connection. Also, the wireless router provides IP address to the host. I don't want to spend time on debugging and solving the problem that most probably will reappear with new update, so I decided to reinstall 12.10 version. It recognized Broadcom Wi-Fi modem right after the boot, and everything went great, until today I powered it on and suddenly found that it is running 13.4 and all my problems are back! Is it possible to instruct it to stay with 12.10 until I decide to upgrade?

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  • How do I create stand alone packages from ubuntu repository

    - by tachyons
    Is it possible to create a stand alone deb packages by merging dependancies without manual repacking.?? I've looked at this question but it doesn't really answer what I'm trying to achieve above. if possible how to do it? update 1 No tools available yet(?) So what about creating new deb package containing all packages which will copy dependencies to the cache and executing main package. Is it possible? update 2 Above method appears to be impossible because dpkg cant handle more than one operation at a time. Some scripts may can do it update 3 this tool is very helpful but it currently wont support oneric and above still waiting for more generic tool Thanks in advance

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  • Problems booting Ubuntu 10.10 with Nvdia GeForce 6600gt

    - by SlyrNemesis
    I am quite new to Ubuntu and I already stumbled upon a problem. I run Ubuntu 10.10 Maverick Meerkat now and Install went fine, when trying to boot the screen popped black and I faced this message "gpu lockup - switching to software fbcon." When setting the display to onboard VGA through BIOS Ubuntu has no problem at all, but when I switch back to my AGP card (which is a Nvidia GeForce 6600GT) I get that message again. I do not use VGA for that card I use my DVI cable for it. Does anyone have an answer for me to make this work? Thank you

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  • Ubuntu VPN server setup

    - by framberries
    I followed the instructions that the answer on this thread gave, Easiest way to setup Ubuntu as a VPN server. However, I cannot get it to work. When I try to connect to my network, it just says the server cannot be reached. I setup the remote IP options (which I uncommented) to be 10.0.2.2-100. My router serves out 10.0.1.2-250. I also have users setup, but they are uncommented as well. I assume you need to uncomment them?

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  • SharePoint Conference 2012&ndash;How To Find Me

    - by MOSSLover
    Hey guys I will be at the conference if you don’t follow me on twitter and you want to find me.  Look around the Women in SharePoint area in the Community Lounge.  If you don’t find me at the Community Lounge then I would say try to look at the Planet Technologies booth for me.  If you don’t find me in that booth then try Booth #22 the SharePoint Pavilion.  If I’m not in any of these places I’m either in a session, sleeping, running, or wearing a cloaking device.  You can ask me all kinds of questions about Planet, Women in SharePoint, and such.  I can try to answer the questions as best I can or direct you to someone smarter.  See you all at SPC 12! Technorati Tags: SPC12,SharePoint

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  • forwarding my domain to ning site, vs paying for mapping. SEO value? [closed]

    - by myf
    Possible Duplicate: Could I buy a domain name to increase traffic to my site like this? hello, and thanks for your time to answer. really appreciate that! my domain url is keyword stuffed (homes for sale and the city name). does it make a difference if I foward that to my ning site, which is www.homesforsale(in city name).ning.com or is it just the same for SEO / pagerank value as paying ning for the proper url mapping. thanks so much!

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