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• How could I shutdown, over my network, with one click?

  - by DeLiK

  The question is simple. What would be the script I would have to use to shut down a computer in my network thru ssh. Normaly i would go to command line and: ssh desktop delik@desktop's password: delik@desktop:~$ sudo shutdown -P 0 To power on I created a file and wrote: wakeonlan xx:xx:xx:xx:xx:xx And gave it the executable bit That way to power on it requires only a double click. Would i be capable of doing the same to shutdown?

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• How many programmers are female? [closed]

  - by Cawas

  Let's just assume gender and sex do matter and this question isn't so pointless as some may say. I believe gender distribution do say a lot about any given job although I find it very hard to explain why. So, is there any source on the web we can use to have a plain high number referencing female versus male programmers on any given space (country, community, company, etc)? Not asking why nor anything else. Just statistical numbers.

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• How to Choose a Good PHP Developer

  Hiring PHP developers are turning out to be the best option to get effective, fast and perfect PHP development. However, the key question remains - "how to choose a good PHP developer". Today there seem to be lots of PHP developers easily available. In this article, learn more about few essential tips that can help you in choosing a good PHP developer.

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• Where can I hire local programmers with very specific skillsets?

  - by Lostsoul

  I have been browsing the site and haven't found a exact fit to this question so I'll post it but if its already answered(since I'm sure its a common problem, then let me know). I have a business and want to create a totally different product in a different industry than I'm currently in, so I learned how to program and created a working prototype. I have a bit of savings and am getting some cash flow from my current business so I can go out and hire a developer(in the future hopefully it can be permenant but right now I just need a person willing to work on contract and code on weekends or their spare time and I just want to pay in cash instead of equity or future promises). At first I wasn't sure what kind of developer to hire but this question helped me understand I should target specific skills I need as opposed to general programmers. This poses a problem for me since general programmers are everywhere but if I want specific skills I'm unsure how to get them. I thought about a list of approaches but it doesn't feel complete or effective since it seems to be assuming good developers are actively looking. If it helps I want someone local(since this is my first developer hire) and looking for skills like cuda, hadoop, hbase, java and c. Any suggestions? As a FYI, I have been thinking of approaching it as: Go to meet ups for one or more skills I need. Use LinkedIn to find people with the skills I need Search for job postings that contain skills I need and then use linkedIn to reach out to that firms employees since many profiles on linkedin are not very updated or detailed but job postings generally are. Send postings to universities and maybe find a student who loves technology so much they learned these tools on their own. Post on job board. Not sure how successful it will be to post to monster. Use Craigslist, not sure if a highly skilled developer would go here for work. What am I missing? I could be wrong but it seems like good/smart/able developers aren't hunting for work non-stop(especially in this tech job market). Plus most successful people I know have work/life balance so I'm not sure if the best ones really care about code after work. Lastly, most of the skills I need aren't used in big corporations so not sure how aggressively smart developers at small shops look for work. I don’t really know any developers personally, so but should I be using the above plan or if they live balanced lives should I be looking outside of the regular resources(and instead focus on asking around my gym or my accountant or something)? Sorry, I'm making huge assumptions here, I guess because developers are a total mystery to me. I kind of wish Jane Goodall wrote a book on understanding developers social behaviour better :-p

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• XNA Moddable Game - Architecture Design and Reflection

  - by David K

  I've decided to embark on an XNA moddable game project of a simple rogue style. For all purposes of this question, I'm going to not be using a scripting engine, but rather allow modders to directly compile assemblies that are loaded by the game at run time. I know about the security problems this may raise. So in order to expose the moddable content, I have gone about creating a generic project in XNA called MyModel. This contains a number of interfaces that all inherit from IPlugin, such as IGameSystem, IRenderingSystem, IHud, IInputSystem etc. Then I've created another project called MyRogueModel. This references MyModel project, and holds interfaces such as IMonster, IPlayer, IDungeonGenerator, IInventorySystem. More rogue specific interfaces, but again, all interfaces in this project inherit from IPlugin. Then finally, I've created another project called MyRogueGame, that references both MyModel and MyRogueModel projects. This project will be the game that you run and play. Here I have put the actual implementation of the Monster, DungeonGenerator, InputSystem and RenderingSystem classes. This project will also scan the mods directory during run time and load any IPlugins it finds using reflection and override anything it finds from the default. For example if it finds a new implementation of the DungeonGenerator it will use that one instead. Now my question is, in order to get this far, I have effectively 2 projects that contain nothing but interfaces... which seems a little... strange ? For people to create mods for the game, I would give them both the MyModel and MyRogueModel assemblies in which they would reference. I'm not sure whether this is the right way to do it, but my reasoning goes as follows : If I write 1 input system, I can use it in any game I write. If I create 3 rogue like games, and a modder writes 1 rendering system, that modder could use the rendering system for all 3 games, because it all comes from the MyModel project. I come from a more web based C# role, so having empty interface projects doesn't seem wrong, its just something I haven't done before. Before I embark on something that might be crazy, I'd just like to know whether this is a foolish idea and whether there's a better (or established) design principle I should be following ?

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• Correct way to handle path-finding collision matrix

  - by Xander Lamkins

  Here is an example of me utilizing path finding. The red grid represents the grid utilized by my A* library to locate a distance. This picture is only an example, currently it is all calculated on the 1x1 pixel level (pretty darn laggy). I want to make it so that the farther I click, the less accurate it will be (split the map into larger grid pieces). Edit: as mentioned by Eric, this is not a required game mechanic. I am perfectly fine with any method that allows me to make this accurate while still fast. This isn't the really the topic of this question though. The problem I have is, my current library uses a two dimensional grid of integers. The higher the number in a cell, the more resistance for that grid tile. Currently I'm setting all unwalkable spots to Integer Max. Here is an example of what I want: I'm just not sure how I should set up the arrays of integers of the grid. Every time an element is added/removed to/from the game, it's collision details are updated in the table. Here is a picture of what the map looks like on my collision layer: I probably shouldn't be creating new arrays every time I have to do a path find because my game needs to support tons of PF at the same time. Should I have multiple arrays that are all updated when the dynamic elements are updated (a building is built/a building is destroyed). The problem I see with this is that it will probably make the creation and destruction of buildings a little more laggy than I would want because it would be setting the collision grid for each built in accuracy level. I would also have to add more/remove some arrays if I ever in the future changed the map size. Should I generate the new array based on an accuracy value every time I need to PF? The problem I see with this is that it will probably make any form of PF just as laggy because it will have to search through a MapWidth x MapHeight number of cells to shrink it all down. Or is there a better way? I'm certainly not the best at optimizing really anything. I've just started dealing with XNA so I'm not used to having optimization code really doing much of an affect until now... :( If you need code examples, please ask. I'll add it as an edit. EDIT: While this doesn't directly relate to the question, I figure the more information I provide, the better. To keep your units from moving as accurately to the players desired position, I've decided that once the unit PFs over to the less accurate grid piece, it will then PF on a more accurate level to the exact position requested.

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• Avoiding Duplicate Content Penalties on a Corporate/Franchise website

  - by heath

  My question is really an extension of a previous question that was ported from stackoverflow and closed so I cannot edit it. The basic gist is a regional franchise company has decided to force all independent stores into one website look; they currently all have their own domains and completely different websites. After reading the helpful answers and looking over some links provided, I think my solution is to put a 301 on each franchise store site (acme-store1.com, acme-store2.com, etc) back to the main corporate site (acme.com). All of the company history, product info, etc (about 90% of the entire site) applies to all stores. However, each store should have some exclusive content such as staff, location pictures, exclusive events and promotions, etc. I originally thought that I would simply do something like acme.com/store1/staff, acme.com/store2/staff, etc for the store exclusive content and then acme.com/our-company, for example, would cover all stores. However, I now see two issues that I don't know how to solve. They want to see site stats based on what store site they came from. If a user comes from acme-store1.com, is redirected to acme.com and hits several pages, don't I need to somehow keep that original site in the new url to track each page in that user's session and show they originally came from acme-store1.com? Each store is still independently owned and is essentially still in competition with the other stores, albeit, in less competition than they are with other brands. This is important because each store would like THEIR contact info, links to their social media pages, their mailing list sign-up and customer requests on EVERY page. So if a user originally goes to acme-store1.com and is redirected to acme.com, it still should look to the user that it's all about store 1, even though 90% of the content will be exactly the same as it is in the store 2, store 3 and corporate site. For example, acme.com/our-company would have the same company history, same header/footer/navigation, BUT depending on the original site the user came from, it would display contact and links to THAT store. If someone came directly to the corporate site, it would display their contact and links (they have their own as well). I was considering that all redirects would be to store1.acme.com, store2.acme.com, etc (or acme.com/store1) and then I can dynamically add the contact info and appropriate links based on the subdomain or subfolder. But, then I have to worry about duplicate content penalties because, again, about 90% of the text in these "subdomains" are all the same. For reference, this is a PHP5 site. I've already written a compact framework utilizing templates and mod-rewrite that I've used for other sites. Is this an easy fix that I'm just not grasping? Any suggestions?

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• Geek Bike Ride JavaOne 2012

  - by Tori Wieldt

  "Geek Bike Ride?" the clerk at the bike rental shop asked. "Are you guys all from the same company?" "We aren't even from the same country!" we answered. "I'm from Russia." "We're from Germany."  "I'm from Belgium." "I'm from Palo Alto." "I'm from Japan."  "We're from Brazil." "We're from Brazil." "I'm from Sweden." "Coooool" was all she could say. She was right. The Geek Bike Ride was cooool. We had 39 bike riders and one skater show up Saturday for a great route from San Francisco's Fisherman's Wharf, across the Golden Gate bridge, to Saulsalito, and back to the city by ferry. Duke Bike jerseys, sponsored by OTN, were given out. To make sure Java developers got them, each person had to answer a Java question to get a jersey. The questions were really hard, like "Who is the Father of Java?" "What's the biggest Java conference in San Francisco?" The best was when the question was "Name one of Duke's Choice Award winner from this year," and Régina ten Bruggencate answered answered "Me!"  It was foggy throughout the day, with the sun poking out occasionally. The fog was thickest on the bridge, more that one rider commented that we were "in the cloud." It was a great day to meet new friends, and have a chat with old friends. We all had fun, though some of us may more a little more slowly during JavaOne. Ride on!  Photos by permission by Arun Gupta and Yoshio Terada. Thanks, guys!

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• Rewriting GPL code to change license

  - by I_like_traffic_lights

  I have found a GPL library (no dual license), which does exactly what I need. Unfortunately, the GPL license on the library is incompatible with the license of a different library I use. I have therefore decided to rewrite the GPL library, so the license can be changed. My question is: How extensive do the changes need to be to the library in order to be able to change the license? In other words, what is the cheapest way to do this?

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• How to wrap console utils in webserver

  - by Alex Brown

  I have a big dataset (100Mbs/day) and a bunch of console a TCL/TK tools to view it - I want to turn it into a web app that I can build, and others can maintain. In long: my group runs simulations yielding 100s of Mbs of data daily, in multiple (mostly but not only) text forms. We have a bunch of scripts and tools, mostly old school 1990's style stuff requiring a 5-button mouse, as well as lots of ad-hoc scripts that engineers build out of frustration every month or so. These produces UIs, graphs, spreadsheets (various sizes), logs, event histories etc. I want to replace (or at least supplement) the xwindows / console style UI with a web-based one, so I need the following properties: pleasant to program can wrap existing command-line tools in separate views (I don't need to scrape GUIs or anything) as I port logic from the existing scripts I can create a modularised and pleasant codebase to replace it I can attach a web-ui to navigate between views - each view is likely to contain keys which might make sense to view in another I am new to building systems that have logic on the back-end and front-end of a web-server. from that point of view, they do this: backend wraps old-school executables, constructs calls into them and them takes the output and wraps it up, niceifies it and delivers it to the web client. For instance the tool might generate a number of indexed images (per invocation) which I might deliver all at once or on-demand. May (probably) need to to heavy stats on some sources. frontend provides navigation connecting multiple views, performs requests from one view for data from another (or self to self), etc. Probably will have some views with a lot of interactivity. Can people please point me towards viable solutions for this? I know it's a bit of an open question so as answers come in I hope to refine the spec until we have a good match. I guess I expect to see answers like "RoR!" "beans!" "Scala!" but please give an indication of why those are a good fit; I know nothing! I got bumped off SO for asking an open-ended question, so sorry if its OT here too (let me know). I take the policy that I use the best/closest matched language for a project but most of my team are extremely low level (ie pipeline stages and CDyn) so I don't have the peer group to know where to start.

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• Get Your Logical Fallacies Straight with this Rhetological Fallacies Chart

  - by Jason Fitzpatrick

  Have trouble telling your Ad Hocs from your Ad Hominems? Fear not, this extensive and easy to read logical fallacy chart makes it easy to tell when someone is begging the question or suffering from a confirmation bias. Rhetological Fallacies Chart [via Neatorama] How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows?

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• How can I download the source code for linux-image-3.2.0-24-generic?

  - by keepitsimpleengineer

  The directions at Ubuntu Wiki apt-get source linux-image-$(uname -r) and askubuntu question Where can I find the source code for the Ubuntu Kernel? don't work… sudouser@64bitws:~# uname -r 3.2.0-24-generic and sudouser@64bitws:~# apt-get source linux-image-3.2.0-24-generic Reading package lists... Done Building dependency tree Reading state information... Done Picking 'linux' as source package instead of 'linux-image-3.2.0-24-generic' E: Unable to find a source package for linux

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• Safety of purchasing country-specific domains from registrars?

  - by Marc Bollinger

  None of the previous questions tackle some of the one-off (or further) countries' registries, beyond .co.uk, .it, et al. or else I'd have found an answer myself. Is it safe to buy a domain from a foreign country TLD from a registrar? http://www.iana.org/domains/root/db/ I'm just looking for information for a vanity domain, so obviously I'm alright without an answer, but it's an unasked question (or at least, unanswered), and I'm not exactly in a hurry to give my credit card information over country lines, sight unseen.

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• Storing game objects with generic object information

  - by Mick

  In a simple game object class, you might have something like this: public abstract class GameObject { protected String name; // other properties protected double x, y; public GameObject(String name, double x, double y) { // etc } // setters, getters } I was thinking, since a lot of game objects (ex. generic monsters) will share the same name, movement speed, attack power, etc, it would be better to have all that information shared between all monsters of the same type. So I decided to have an abstract class "ObjectData" to hold all this shared information. So whenever I create a generic monster, I would use the same pre-created "ObjectData" for it. Now the above class becomes more like this: public abstract class GameObject { protected ObjectData data; protected double x, y; public GameObject(ObjectData data, double x, double y) { // etc } // setters, getters public String getName() { return data.getName(); } } So to tailor this specifically for a Monster (could be done in a very similar way for Npcs, etc), I would add 2 classes. Monster which extends GameObject, and MonsterData which extends ObjectData. Now I'll have something like this: public class Monster extends GameObject { public Monster(MonsterData data, double x, double y) { super(data, x, y); } } This is where my design question comes in. Since MonsterData would hold data specific to a generic monster (and would vary with what say NpcData holds), what would be the best way to access this extra information in a system like this? At the moment, since the data variable is of type ObjectData, I'll have to cast data to MonsterData whenever I use it inside the Monster class. One solution I thought of is this, but this might be bad practice: public class Monster extends GameObject { private MonsterData data; // <- this part here public Monster(MonsterData data, double x, double y) { super(data, x, y); this.data = data; // <- this part here } } I've read that for one I should generically avoid overwriting the underlying classes variables. What do you guys think of this solution? Is it bad practice? Do you have any better solutions? Is the design in general bad? How should I redesign this if it is? Thanks in advanced for any replies, and sorry about the long question. Hopefully it all makes sense!

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• Do you Kung Foo? [closed]

  - by Darknight

  As a programmer who also trains in martial arts (Wing Tsun + Escrima + Judo). I am really interested to know if there are other fellow programmers who also practice martial arts. Do you practice martial arts? or do you know of programmers who practice martial arts. Further question: Do you see any analogy between your art and programming. [Apologies for the terrible pun in the title :) but I do like it cheesy...]

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• What is difference between install desktop-environment and run directly distro?

  - by Pandya

  My question is what is difference between installing perticular desktop environment on Ubuntu And Using directly that (Default -environmented) distro/flavour of Ubuntu? Example: Two options: Install ubuntu-gnome-desktop or kubuntu-desktop or xubuntu-desktopetc. (official & recognized derivatives) alternatively on Ubuntu (Default -Unity Desktop) Use (Run) perticular distro/flavour Ubuntu-Gnome or Kubuntu or Xubuntu etc. I want to know is both method working same performance? and which is proper method to use Desktop Environment.

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• What is the best way to diagrammatically represent a system threading architecture?

  - by thegreendroid

  I am yet to find the perfect way to diagrammatically represent the overall threading architecture for a system (using UML or otherwise). I am after a diagramming technique that would show all the threads in a given system and how they interact with each other. There are a few similar questions - Drawing Thread Interaction, UML Diagrams of Multithreaded Applications and Intuitive UML Approach to Depict Threads but they don't fully answer my question. What are some of the techniques that you've found useful to depict the overall threading architecture for a system?

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• Using copyrighted sprites

  - by Zertalx

  I was thinking about making a pacman clone, I know there is a similar question here Using Copyrighted Images , but I know i can't use the original art from the game because it belongs to Namco, so if I design a character that has the shape of the slice circle it will look exactly like pacman, maybe if I use green instead of yellow? Also if the game plays like the original pacman, it is wrong? I just want to make the game as a personal project and and publish it in my site without getting in trouble

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• ASP.NET MVC Case Study on StackOverflow.com

  Learn how StackOverflow.com, the popular question and answer website, used ASP.NET MVC to enhance performance, enable faster development and ease code testing and maintenance.

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• SQL Server Begin Try

  - by Derek Dieter

  The try catch methodology of programming is a great innovation for SQL 2005+. The first question you should ask yourself before using Try/Catch should be “why?”. Why am I going to use Try/Catch? Personally, I have found a few uses, however I must say I do fall into the category of not [...]

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• separate domains vs subdomains [duplicate]

  - by Sharon

  This question already has an answer here: Registering multiple domains vs. subdomains 5 answers We manufacture a very versatile product used in a wide variety of products using multiple brands. In order to market these brands, should we create a separate domain for each brand/market or use subdomains from our well established main domain? What would be best for SEO without breaking the bank?

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• Grid Favicon on [Scammy] Websites [closed]

  - by Kevin Dolan

  I've seen this grid favicon show up on a lot of sites, most of which tend to be for scams like oxytocin accelerator, or make $300 a day posting links to Google type sites. My question is: what is this icon and where does it come from? Is there some organization whose goal is to make terrible websites like this and they associate them with this icon or does it belong to some server software that for some reason scammy sites like to use? Does anybody know the origins of this icon?

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• Universal Pen Drive Linux Will Not Burn IOS Ubuntu 13.10 To USB [duplicate]

  - by Nick

  This question already has an answer here: How to create a bootable USB stick? 4 answers Universal Pen Drive Linux will not let me burn the iso to my usb. Whenever I attempt it it says 'can not open file 'E:*where I put my downloads*\ubuntu-13.10-desktop-amd64.iso' as archive'. Any help please. I just want to move to ubuntu and hopefully never have to use windows again :D Please help me and walk me through this process.

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• Do I need to create my own or use a commercial server for the features and matchmaking options I want my game to support?

  - by baptzmoffire

  So I'm developing an indie turn-based game for iOS and, in coding up a Game Center matchmaking class, I'm starting to question whether Game Center is even the best choice for what I want this game to do. I need to figure out whether I need to create my own server, invest in a preexisting client or server service, or if I even need to use a server at all. If I do need to use a ready-made service other than Game Center, which server would accomodate my game's needs best? I have limited resources and funds. Here is the list of features I want my game to support, ideally: Turn-based gameplay (a la "with Friends" and "with Buddies" games) Smart matchmaking (matching users up with other players of comparable skill/achievements) Random matchmaking Facebook matchmaking Specific username matchmaking Contact list matchmaking A way to select what "type" of match you want to challenge an opponent to. (In random, smart, and Facebook matchmaking, there will be different "wagers" the player can make. [e.g. "I wanna play a random opponent for 1000 points. Now, I wanna play my Facebook buddy for 1,000,000 points."] There will be a predetermined range of amounts you can play for. It won't be customizable.) Buddies list capability (Game-buddies, as opposed to contacts and Facebook) A higher concurrent game cap than Game Center offers (which I still can't really find a straight answer on) Scalability (it should support 2 or 20,000,000 players) Objective-C compatibility Flexibility (for all the stuff I haven't thought of yet) Am I dreaming, here? Is there even a service that can handle all of these features? Do I need to invest months in learning a networking language to build my own? If so, how much would I need to spend on hardware? I've been looking around all morning and, so far, the only seemingly viable option is SmartFox. Under "Everything and the kitchen sink" section here, it says they support "virtual world with Zones, Rooms and RoomGroups, create complex game challenges, send invitations, manage buddy lists, create custom permission profiles, oversee the security aspects and tons more." http://www.smartfoxserver.com/overview/platform Is there an option that Im just overlooking? Thanks for any help anyone can provide. Sorry for the long poast. One last question: Does anyone know which server Dice with Buddies uses? I was experimenting with how many concurrent games I could get going and my ADHD kicked in at about 80 games. 80 concurrent games would be great for my game, but again, I need the other features I mentioned too. Thanks again.

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• Window Focus in Scale (Compiz)

  - by Göran

  This is a follow-up question to Expose (OSX Style) Functionality in Unity. I'm having issues with focus. With the help of Compiz Config I have succesfully activated a window picker similar to the one named exposé in Mac OS X (but with more options!). However when I use this function the window I click on/choose is not automatically focused. How can I fix this or is this a bug within Compiz/Scale?

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