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• Windows 8.1 Ubuntu will not run after restart

  - by leslie canfield

  I have been searching the internet forever now, but I am using wubi on a windows 8.1 laptop. I have properly burned the newest version of Ubuntu, I have never done this before, so please put the answer in simple terms. When I open wubi it comes up with these options: -reboot now -manually reboot later I put reboot now, and it reboots with no changes or differences to my operating system. The installer does not pop up upon rebooting and I have no idea what to try. I am a totally newbie at this. Please help me. I am using an Asus computer.

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• Are there any free hit counters that don't track users?

  - by David Englund

  Are there any free services that increment a simple hit counter without tracking the users of the site? I would like to know how many visitors there are to my site, excluding bots. I don't need detailed information like unique visitors or where the user is from (in fact, that's exactly what I don't want). I have been researching free hit counters, and it seems that most (all?) of them display advertisements and their terms of service indicate that they can use the data they collect from the client site however they want. Google Analytics also does this and tracks users across sites. The site is static HTML, so an external link or iframe of some sort is easiest for me to implement. I could switch to a Ruby or Node.js back-end, in which case lots of other options open up (like Ruby impressionist and more low-level implementations), but my hosting service is pretty limited. If the answer to my question is simply "no," what are my other options?

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• Advice: should I focus on PHP + MySQL, or split my time for more JS and CSS? [closed]

  - by fakaff

  I started learning web development about three months ago (in between working my regular job), and I'm finally starting to get some vague, distant notion of understanding. I find the server-side stuff the most interesting; though I've not gone anywhere near Apache quite yet, which I assume will be necessary at some point. As cool as toying around with visuals and UI is, programming and database stuff inspires me with new ideas and possibilities every minute (I've even bought, on a whim, a wonderfully dry bunch of books on database theory and relational algebra). And whatever CSS or Javascript tutorial I'm doing, it often feels like a distraction from the PHP/MySQL stuff I'd rather be playing with. For someone like me who's just starting out, which is the most advisable course of action? (in terms of being marketable as a programmer): To focus on PHP and SQL stuff exclusively, and only once I master those to diversify my skills. To first learn all three (PHP/MySQL, Javascript, CSS and design) and only once I'm fluent in all three focus on PHP and databases?

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• What are the security implications of running untrusted code on my server?

  - by rahmu

  I would like to set up an app that allows users to send their code and execute it on my server. The thought of running untrusted code makes me cringe, so I am trying to set up an exhaustive list of security threats that should be addressed. I am assuming I should strip down certain features of the language executed, like file access or (maybe) networking. I also come across terms like sandboxing or chroot. I know what they mean, but how should I actually use them? In short: What security threats should I address before allowing users to run their code on my machine, and how do I do it?

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• Best practice, or generally best way to set up web-hosting server, permissions, etc. [closed]

  - by Jagot

  Hi, I'm about to set up a server upon which a friend and I will be hosting web sites, and I'll be using Debian. I've set up a LAMP solution many times just to using for local testing purposes, but never for actual production use. I was wondering what are the best practices are in terms of setting the server up, in reference specifically to accessing the web root directory. A couple of the options I have seen: Set up a single user account on the server for us both to use and use a virtual host to point to the somewhere in the home directory, e.g. /home/webdev/www. Set each of us up a user account, and grant permissions in some way to /var/www (What would be the best way? Set up a new group?) I want to get this right when I first set this up as there won't be any going back for a while once our first site is up and running. Appreciate any guidance in advance.

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• css - use universal '*' selector vs. html or body selector?

  - by Michael Durrant

  Applying styles to the body tag will be applied to the whole page, so body { font-family: Verdana } will be applied to the whole page. This could also be done with * {font-family: Verdana} which would apply to all elements and so would seem to have the same effect. I understand the principle that in the first instance the style is being applied to one tag, body for the whole page whereas in the second example the font is being applied against each individual html elements. What I am asking is what is the practical difference in doing that, what are the implications and what is a reason, situation or best practice that leads to using one over another. One side-effect is certainly speed (+1 Rob). I am most interested in the actual reason to choose one over the other in terms of functionality.

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• Best in-depth analytics or stats tools? (preferrably server-side)

  - by Litso

  Hey all, I know there's been questions about this before, but mine is a little more specific. I work for a high traffic website and we want to start tracking our visitors better. Unfortunately, Google Analytics is not an option at the moment, so what I'm looking for is some alternatives, preferrably server-side (but not necessarily). We're currently running Urchin, but what I'm missing most there is the way you can set conversions in Analytics and then track (for example) which keywords convert better or which landing pages convert better. Also, A/B testing is something I really miss. Which analytics tools can be compared to analytics in terms of advanced segmentation, navigation summaries, A/B testing, etc?

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• Is it okay to have many Abstract classes in your application?

  - by JoseK

  We initially wanted to implement a Strategy pattern with varying implementations of the methods in a commmon interface. These will get picked up at runtime based on user inputs. As it's turned out, we're having Abstract classes implementing 3 - 5 common methods and only one method left for a varying implementation i.e. the Strategy. Update: By many abstract classes I mean there are 6 different high level functionalities i.e. 6 packages , and each has it's Interface + AbstractImpl + (series of Actual Impl). Is this a bad design in any way? Any negative views in terms of later extensibility - I'm preparing for a code/design review with seniors.

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• Would you hire a computer scientist which refuses to use computers? [closed]

  - by blueberryfields

  Imagine that you're interviewing a brilliant CS grad. He's just finished school, has very high grades, and has been performing very well on the interview so far. You reach a point near the end, where you're starting to speak about terms of employment, salary, etc.., and you're trying to show off the environment he'll be working in. When you mention that programmers at your company have systems with two monitors, the interviewee stops you and informs you that he won't need a computer. He only ever writes code by hand, in a note-book, and relies on his phone for sending/receiving email. This is not something he's willing to budge on. Would you still hire him? How good would he have to be for you to hire him? What would you hire him to do, if you do hire him? (the student is modelling himself on E.W. Djikstra)

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• What options are there for splitting UI layout from code logic using a markup language?

  - by Daenyth

  What tools similar to GWT's UIBinder exist in other languages? By this I mean a system where you can define your UI layout in a markup language (preferably html+css) and attach the functionality to the layout using the code. I'm most interested in anything for python, but answers in other languages would interest me as well. I'm interested because the benefits of having a non-programmer work directly on the layout without needing to touch the code and adjust a bunch of UI toolkit method calls is very productive. I'm aware of Flex for flash, but is there anything else out there? What search terms might I use to find such frameworks? I've looked around but I haven't found anything concrete.

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• Google SEO - Migrating website from a sub-directory of another website to its own domain name

  - by DarioP

  At the present moment I have a website hosted on example.com/myWebsite, where example.com hosts in its root directory a different website. I have the domain example.net, which redirects to example.com/myWebsite. The point, however, that right now when somebody accesses example.net they are redirected to example.com/myWebsite and consequently to example.com/myWebsite/dirA, example.com/myWebsite/dirB etc.. I am now thinking about upgrading my account so that example.net no longer redirects to example.com - I was however wondering, however, since Google shows results searches in terms of example.com/myWebsite, how would this affect my rankings?

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• And at what point of modification to the original does source code with no license become owned by me?

  - by nathansizemore

  I've recently come across a publicly viewable project on Github that has no license associated with it. In this repo, there is a file with the logic and most of the code needed to work as a piece of a project I am working on. Not verbatim, but about 60% of it I'd like to use with various modifications. Once my code base is a little bit more stable, I plan to release what I've done under the WTFPL License. I've emailed the repo owner, and so far have not gotten a reply. I know I have the rights to fork the repo, but if I release a stripped down and modified version of the other project's file with mine, under the WTFPL, am I infringing on copyrights? Per Github's Terms of Service, by submitted a project on Github and making it viewable to the public, you are allowing other users to see and fork your project. Doesn't say anything about modifying, distributing, or using the fork. And at what point of modification to the original does it become owned by me?

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• Switching domains in one's career?

  - by rocknroll

  I have been a C++,Qt programmer for the last 3.5 years and have hit a plateau in terms of doing something new. Work has been repetitive and routine. I personally believe it is time to move on but off late I am getting more offers in mobile development like Android,Iphone etc. The latest offer I have is for objective-C based profile. I do not have the slightest idea about objective-C apart from that it is Object oriented C resembling C++ but not exactly a clone. Questions in my mind are --what are the pros/cons of this careers switch or for any such switch? --Is it good for one's career to change domains after sometime? --How difficult it is to get back to one's previous area of proficiency? Thanks

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• What are good gui guidelines for standard actions (usability)

  - by Michael Durrant

  For example: Delete's should have confirms. Confirmations should be green. Prefer list-of-values over free text whenever possible. This was just a sample. I am looking for references that simply and clearly list common 'should do's' in terms of ui, interactions and usability. My company is new to software development and they keep getting suprised by contractors that don't do the obvious so I am looking for good references about the right way to do it and the basic things to always consider (like the above). Obviously style is subjects, but things like delete confirms shouldn't be.

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• Character equipment combinations

  - by JimFing

  I'm developing a 2d isometric game (typical Tolkien RPG) and wondering how to handle character/equipment combinations. So for example, the player wears leather boots with chain-mail and a wooden shield and a sword - but then picks up plate-armour instead of chain-mail. I'm using Blender3D to create objects, environments and characters in 3D, then a script runs to render all 3D meshes into 2D orthographic tile maps. So I can use this script to create all the combinations of character equipment for me, but there would be an explosion in terms of the combinations required.

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• Help comparing Cocos2d and Unity3d for this project [closed]

  - by Omega

  I will not go into details, but I would like to hear your opinions about this: Essentially, my project will be a 2d game, with lots of complex levels, where some might be simple and others might be a bit more deep, with physics, etc. We want to implement our very own online structure: logging in, leaderboards, achievements, friends etc with our own servers. This means no OpenFeint nor GameCenter at all. We expect this game to be very large in both graphics and audio. We wish to use in-app purchases. Now, we considered two options. Cocos2d and Unity3d. We need help deciding using the factors I mentioned before (networking, good performance even for a large game in terms of graphics and audio like this, in-app purchases, etc) which option would fit better this? Technically, both options can create 2d games. I'd like to hear your opinion.

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• How do I implement input and movement with characters that get into vehicles?

  - by Xkynar

  I'm making a game similar to GTA2. When the player enters the vehicle, what happens in terms of logic? Does the player becomes the vehicle? Does the vehicle override the player movement? The main question is how should it look at a vehicle? I want to understand if the player becomes the car or if the player has a "motion state" like "driving, walking, flying" depending on what he is doing in a moment, I know there are tons of ways to implement vehicles in a game.

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• Files don't sync with U1.

  - by wrenchman76

  I am running 10.1 (all current updates have been installed) and I'm unable to sync any files to U1. U1 shows my computer as being added to my account and I bought enough space to hold all the files I want backed up, but for some reason it still doesn't sync. I have marked the files to be synced and even checked the devices tab in the U1 preferences; it shows my computer as being part of my account but the connect button is inoperable and restart doesn't produce any effect when clicked. I have read all the FAQ I can find relating to my problem and have tried all the suggestions that seem to adress problems similar to mine, as well as adding and removing my computer from my account a bunch of times. None of these produced any effect one way or another. I'm not very techno savvy so step by step and/or lay mens terms are greatly appreciated, Thank you

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• Web pages with mixed ownership photos

  - by dstonek

  I have a photo website. 15% of the photos belong to approved registered users. They agree my terms about uploading their images in my web pages. I include a photographer credit on right bottom corner. About identifying the site with google, every page contains a google+ button to MY google+ page it also contains <link href="https://plus.google.com/nnnnnnnnnn/" rel="publisher" /> I need some advice in order to respect google rules about my pages containing other photographers images not to be penalized because of possible duplicated or interpreted as stolen content. My concern is also about adding G+ links (to MY photo page) and Google publisher id would harm my site rank because of pages containing third-party photos.

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• Dealing with engineers that frequently leave their jobs

  - by ??? Shengyuan Lu

  My friend is a project manager for a software company. The most frustrating thing for him is that his engineers frequently leave their jobs. The company works hard to recruit new engineers, transfer projects, and keep a stable quality product. When people leave, it drives my friend crazy. These engineers are quite young and ambitious, and they want higher salaries and better positions. The big boss only thinks about it in financial terms, and his theory is that “three newbies are always better than one veteran” (which, as an experienced engineer, I know is wrong). My friend hates that theory. Any advice for him?

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• Spherical harmonics lighting interpolation

  - by TravisG

  I want to use hardware filtering to smooth out colors in texels of a texture when I'm accessing texels at coordinates that are not directly at the center of the texel, the catch being that the texels store 2 bands of spherical harmonics coefficients (=4 coefficients), not RGBA intensity values. Can I just use hardware filtering like that (GL_LINEAR with and without mip mapping) without any considerations? In other terms: If I were to first convert the coefficients back to intensity representations, than manually interpolate between two intensities, would the resulting intensity be the same as if I interpolated between the coefficient vectors directly and then converted the interpolated result to intensities?

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• How to calculate maximum number of request in 128 MB VPS performance?

  - by ifdion

  I am a newbie here, please let me know if I'm using wrong webmaster terms. I am currently setting up a VPS for a multi site WordPress. The VPS uses Debian 6 LNMP setup and the DNS is being taken care by another service. Currently the VPS is running non multi site WordPress with -+ 83 MB RAM out of 128MB. As far as I know the performance is relative to the number of request, not the number of sites in the multi site setup. The question How do I calculate maximum number of request in with that setup? If the information is not enough, what other factor do I need to know? Thank you in advance.

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• Google web search shows dateCreated instead of dateModified metadata

  - by LonelyPixel

  So today I discovered that the pages from my website are listed with an unexpected date value. I specify the schema.org properties dateCreated and dateModified for most of my content pages. I'd expect that search results show me when a page was last updated, to get a sense of the currency of the page. But it's showing the date of first publishing which may be years ago. That's a bit unsatisfying but I don't want to misuse the metadata because Google probably reads it wrong. Some search terms for you to try it out: "gitrevisiontool"; "easyxml"; "multiselecttreeview" (look for the results on dev.unclassified.de; the human- and machine-readable dates come at the end of the page) Does anybody know more about what's wrong here? Or does it work as designed? (What a stupid design that would be.)

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• Is there a 'design pattern' type listing of common algorithms?

  - by KevinM1

  Is there a 'design pattern' styled listing of common/popular algorithms anywhere? Specifically, something that has a similar format along the lines of: Algorithm Name: e.g., Quick Sort, Bubble Sort, etc. Problem: A description of the stereotypical problem the algorithm is supposed to address Description: Description of the solution Implementation: Code examples of the solution Big O Rating: Self-explanatory Similar Algorithms: Algorithms that address the same problem in different ways, or similar problems I really like the GoF design pattern listing style, and I think it would help me learn various algorithms better/easier if I could find a resource that was similar in terms of organization.

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• The legal aspect of website design/application [closed]

  - by tunmise fasipe

  I have got a site to develop for a medium-sized company and I want to make sure it's being done professionally. I understand the following: Terms of Use: tells the users how the content on the website should and should not be used Privacy Policy: assuring the users that their information is safe on the site and will not be exposed without their permission. Also telling the which could be viewed by others Disclaimer (the client asked for this): tells the users the wrong/right use of the contents in the site is not the responsibility of the company My Questions are: How does copyright comes in? More light on the Disclaimer? - the client specifically asked for this What other legal actions one needs to take? Do you need to see a lawyer? How can you prevent others from having a counterfeit of your site - the client specifically asked for this too Thanks

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