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• Terminology: .NET C++ vs. traditional C++

  - by Mike Clark

  Hello. I've recently been working with a team that's using both .NET C++ and pre-.NET C++. I fully understand the technical differences between the two technologies. However, I sometimes feel like I'm floundering when it comes to the terminology used to differentiate the two. Example: Say we have two projects: ProjectA contains "C++" code that builds a .NET assembly DLL. ProjectB contains Visual C++ code that builds a traditional native Windows DLL. What is the best way to succinctly and terminologically draw a distinction between the two projects? Again, I'm not asking for an in-depth technical description of the differences between the two technologies. I'm just looking for names and labels. This is how I might try to make the distinction when talking to someone about Project A and Project B: "ProjectA is a managed .NET C++ project" and ProjectB is an unmanaged Visual C++ DLL project." However I am not at all certain that this terminology is ideal, or even correct. Please describe what you feel the ideal language to use in this situation (or similar situations) might be. Feel free to motivate your answer.

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• Comparing the Performance of Visual Studio's Web Reference to a Custom Class

  As developers, we all make assumptions when programming. Perhaps the biggest assumption we make is that those libraries and tools that ship with the .NET Framework are the best way to accomplish a given task. For example, most developers assume that using ASP.NET's Membership system is the best way to manage user accounts in a website (rather than rolling your own user account store). Similarly, creating a Web Reference to communicate with a web service generates markup that auto-creates a proxy class, which handles the low-level details of invoking the web service, serializing parameters, and so on. Recently a client made us question one of our fundamental assumptions about the .NET Framework and Web Services by asking, "Why should we use proxy class created by Visual Studio to connect to a web service?" In this particular project we were calling a web service to retrieve data, which was then sorted, formatted slightly and displayed in a web page. The client hypothesized that it would be more efficient to invoke the web service directly via the HttpWebRequest class, retrieve the XML output, populate an XmlDocument object, then use XSLT to output the result to HTML. Surely that would be faster than using Visual Studio's auto-generated proxy class, right? Prior to this request, we had never considered rolling our own proxy class; we had always taken advantage of the proxy classes Visual Studio auto-generated for us. Could these auto-generated proxy classes be inefficient? Would retrieving and parsing the web service's XML directly be more efficient? The only way to know for sure was to test my client's hypothesis. Read More >

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• I'm learning html and I'm confused as to how href's work. [migrated]

  - by Robolisk

  Okay so i'm learning html right now and soon css. In my html coding I have a section like this for navigation: <div id="header"> <h1>Guild Wars 2 Fanbase</h1> <ol id="navigation"> <li><a href="/">Home</a></li> <li><a href="/facts">Facts</a></li> <li><a href="/gallery">Gallery</a></li> <li><a href="/code">Coding</a> <ul><li><a href="/code/line">Lines</a></li> <li><a href="/code/comment">Comment Lines</a></li> </ul> </li> </ol></div> Now when I open up this .html file this is all layed out the way I want it too look (the mark up that is). My question is this, when I click on a link on this site (this site being this code) I get an a error saying this webpage is not found, but of course. But how do I create it so I can have the web pages working together? I'm not sure how to word it correctly. Like, do I create another .html file in the same directory so somehow when I click the link it reads from the second .html file? If you not sure what I'm asking, just let me know and I'll try to be more specific. Thank you for your help (: excuse my mistakes in grammar, not the worlds best in English, trying my best (:

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• Is it wise to ask about design decisions made on a product during an interview?

  - by Desolate Planet

  I've been thinking about interview questions lately and I've been reflecting on bad interview experiences I've had in the past. One of particular note is where I had asked the interviewer why the team chose to use Spring over EJB3 in their product. The interviewer pretty much tore my face off, yelling "Because Spring is not the be all and end all of Java software development, do you want this job or not?". In response to this, I told him that this probably wasn't the job for me and I walked out the interview. He told me at the start of the interview that they had high stuff turnover, the product had gone from Modula 3 to Perl to Java then after asking him a technical question, he went in flames. It seemed obvious to me that he was toxic to the company with that kind of attitude. Question: Is it a good idea to probe on architectural choices taken in an interview? If not, why? From my own point of view, an interview is a two-way process. If the interviewers are testing me on my technical skills, I've got every right to ask them the same questions to 1) Figure out what their mindset and attitudes towards developing software solutions are and 2) To figure out if there are in line with how I would approach problems of that kind. It's very possible that the interviewer who got angry was a bad interviewer and forgot that an interview is a two-way process. If I was asked this, I would have simply said something along the lines of wanting to leverage the container more, but I certainly wouldn't have tried to put him in a state of meek capitulation. The interviewer in question was the lead developer in the team.

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• What is the best book on Silverlight 4?

  - by mbcrump

  Silverlight/Expression 4 Books! I recently stumbled upon a post asking, “What is the best book on Silverlight 4?” In the age of the internet, it can be hard for anyone searching for a good book to actually find it. I have read a few Silverlight 4/Expression books in 2010 and decided to post the “best of” collection. Instead of reading multiple books, you can cut your list down to whatever category that you fit in. With Silverlight 5 coming soon, now is the time to get up to speed with what Silverlight 4 can offer. Be sure to read the full review at the bottom of each section. For the “Beginner” Silverlight Developer: Both of these books contains very simple applications and will get you started very fast. and Book Review: Microsoft Silverlight 4 Step by Step For the guy/gal that wants to “Master” Expression Blend 4: This is a hands-on kind of book. Victor get you started early on with some sample application and quickly deep dives into Storyboard and other Animations. If you want to learn Blend 4 then this is the place to start. Book Review: Foundation Expression Blend 4 by Victor Gaudioso If you are aiming to learn more about the Business side of Silverlight then check out the following two books: and Finally, For the Silverlight 4 guy/gal that wants to “Master” Silverlight 4, it really boils down to the following two books: and   Book Review: Silverlight 4 Unleashed by Laurent Bugnion Book Review: Silverlight 4 in Action by Pete Brown I can’t describe how much that I’ve actually learned from both of these books. I would also recommend you read these books if you are preparing for your Silverlight 4 Certification. For a complete list of all Silverlight 4 books then check out http://www.silverlight.net/learn/books/ and don’t forget to subscribe to my blog.  Subscribe to my feed CodeProject

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• Report Books and Parameters with Telerik Reporting

  Telerik Reporting provides a simple, yet powerful, component called the ReportBook that allows multiple reports to be combined into one. Doing so makes displaying, printing, and exporting multiple reports a much simpler task for end users. Providing this type of functionality does leave one question though, "How are report parameters handled?" This entry will focus on providing the answers to that simple question. Click here to download the sample code so you can follow along. Creating a ReportBook ReportBooks are supported in all three environments the ReportViewer supports, WinForms, Silverlight, and ASP.NET. Adding a ReportBook to each of these environments is very similar. This example focuses on using a ReportBook with the WinForms ReportViewer. Create a WinForms Application Add a reference to the project containing the reports. Drag a ReportViewer from the ToolBox into the designer. Drag a ReportBook from the ToolBox into the designer. A dialog will be displayed asking for the reports to be included in the ReportBook....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Is this form of cloaking likely to be penalised?

  - by Flo

  I'm looking to create a website which is considerably javascript heavy, built with backbone.js and most content being passed as JSON and loaded via backbone. I just needed some advice or opinions on likely hood of my website being penalised using the method of serving plain HTML (text, images, everything) to search engine bots and an js front-end version to normal users. This is my basic plan for my site: I plan on having the first request to any page being html which will only give about 1/4 of the page and there after load the last 3/4 with backbone js. Therefore non javascript users get a 'bit' of the experience. Once that new user has visited and detected to have js will have a cookie saved on their machine and requests from there after will be AJAX only. Example If (AJAX || HasJSCookie) { // Pass JSON } Search Engine server content: That entire experience of loading via AJAX will be stripped if a google bot for example is detected, the same content will be servered but all html. I thought about just allowing search engines to index the first 1/4 of content but as I'm considered about inner links and picking up every bit of content I thought it would be better to give search engines the entire content. I plan to do this by just detected a list of user agents and knowing if it's a bot or not. If (Bot) { //server plain html } In addition I plan to make clean URLs for the entire website despite full AJAX, therefore providing AJAX content to www.example.com/#/page and normal html to www.example.com/page is kind of our of the question. Would rather avoid the practice of using # when there are technology such as HTML 5 push state is around. So my question is really just asking the opinion of the masses on if it's likely that my website will be penalised? And do you suggest an alternative which avoids 'noscript' method

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• Am I too young to burn out?

  - by Steve McMesse

  I feel like I have burned out, even though I am only out of college for 5 years. For the first 3 years of my career, things were going awesome. I was never anything special in school, but I felt special at my company. Looking back, I could tell that I made all the right moves: I actively tried to improve myself daily. I made a point of helping anyone I could. I made a point (and read books about) being a good team member. I had fun. After 3 years in a row as being rated as a top employee, I converted that political capital into choosing to work on an interesting, glamorous project with only 2 developers: me and a highly respected senior technical leader. I worked HARD on that project, and it came out a huge success. High in quality, low in bugs, no delays, etc. The senior tech lead got a major promotion and a GIGANTIC bonus. I got nothing. I was so disappointed that I just stopped caring. Over the last year, I have just kind of floated. During my first 4 years I felt energized after a 10 hour day. Now I can barely be bothered to work 6 hours a day. Any advice? I don't even know what I'm asking. I am just hoping smart people see this and drop me a few pieces of wisdom.

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• How do you avoid jumping to a solution when under pressure? [closed]

  - by GlenPeterson

  When under a particularly strict programming deadline (like an hour), if I panic at all, my tendency is to jump into coding without a real plan and hope I figure it out as I go along. Given enough time, this can work, but in an interview it's been pretty unsuccessful, if not downright counter-productive. I'm not always comfortable sitting there thinking while the clock ticks away. Is there a checklist or are there techniques to recognize when you understand the problem well enough to start coding? Maybe don't touch the keyboard for the first 5-10 minutes of the problem? At what point do you give up and code a brute-force solution with the hope of reasoning out a better solution later? A related follow-up question might be, "How do you ensure that you are solving the right problem?" Or "When is it most productive to think and design more vs. code some experiments to and figure out the design later?" EDIT: One close vote already, but I'm not sure why. I wrote this in the first person, but I doubt I'm the only programmer to ever choke in an interview. Here is a list of techniques for taking a math test and another for taking an oral exam. Maybe I'm not expressing myself well, but I'm asking if there is a similar list of techniques for handling a programming problem under pressure?

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• Dalvik + Java licensing question

  - by Andrew Bate

  This is a licensing question about the Dalvik and J2SE core libraries. In particular the license governing java.util.concurrent.SynchronousQueue. The license header of the class in the JDK source states that it is GPLv2 only (see grepcode). However, the same file in the Dalvik core libraries seems to be governed by the Apache 2 license only (see android source). How is this possible? I didn't think you could take GPLv2 source and re-license it as Apache 2. (It's obvious they did: a comment above the Java Doc even says "removed link to collections framework docs"!) I'm asking because I have a GPLv3 project and would like to include a derivative work of some source from the core libraries (either Dalvik or J2SE) but publish it under GPLv3. I thought I could do this with Apache 2, but not GPLv2. I know that the J2SE class source is itself derivative work from public domain source, but the changes from the original are substantial. (The original is available at gee.cs.oswego.edu if you are interested.) Therefore the android source really is just a copy of the J2SE source, but published under Apache 2 instead of GPLv2. Is Google really allowed to do this?

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• What Should You Look for In a CRM Demo?

  - by charles.knapp

  I have helped firms evaluate software demos and delivered demos in diverse industries such as manufacturing, healthcare, life sciences, and travel (to name just a few). Here are a few suggestions. First, which vendor has the best fit for your industry? Make sure that the vendor demo staff tell you clearly throughout the demo (not just in a passing comment), what portion of each business process and screen is standard, what has been configured, what has been custom coded, and what has been provided by a partner. If you don't keep asking, what you buy may be less useful than what you saw. This will lead to added (and unbudgeted) costs and time. Second, what are the roles of the primary users? What are their top-most needs, such as exception-oriented dashboards or rapid data entry? Can you get a demo for each key role, showing how the software fits a typical workday? Have the vendor repeatedly tell you what is standard, configured, custom coded, or provided by a partner. Third, how well does the demo balance ease of use with completeness of business processes? One common approach is to hide needed fields or steps that are of low visual value. Another approach is to focus heavily on a visually appealing capability, while downplaying the fit with your key business processes. Result: despite their business acumen, demo attendees may not focus adequately on gaps in business fit So, look for complete disclosure and complete CRM. To arrange a demo from Oracle, please visit http://www.oracle.com/crm.

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• Help with setting up AIM account

  - by Aaron

  Can anyone help me configure my AIM account? I have Oneiric and I want to set up my AIM account with what I believe is a chat client (the envelope icon on the top right). It is called Empathy. \n I tried to do this using Broadcast Account. It let me choose what account (Jabber, Pidgin, Aim, etc...). Once I entered my password for my AIM account, I got a pop-up asking for the master password for my Keyring. I didn't know what that was at the time so I closed that window after trying to enter my account password. Keyring apparently asks for a master password and it holds any keys you want to remember in the future. It gave me an error so I couldn't set up my AIM account completely. Now I'm trying to get back to that screen but I can only set up a Twitter or Facebook. Thanks, Aaron P.S. Can anyone tell me how to break the message up so it doesn't appear all on one line? I tried 'coding' a \n...seemed to work.

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• Data migration - dangerous or essential?

  - by MRalwasser

  The software development department of my company is facing with the problem that data migrations are considered as potentially dangerous, especially for my managers. The background is that our customers are using a large amount of data with poor quality. The reasons for this is only partially related to our software quality, but rather to the history of the data: Most of them have been migrated from predecessor systems, some bugs caused (mostly business) inconsistencies in the data records or misentries by accident on the customer's side (which our software allowed by error). The most important counter-arguments from my managers are that faulty data may turn into even worse data, the data troubles may awake some managers at the customer and some processes on the customer's side may not work anymore because their processes somewhat adapted to our system. Personally, I consider data migrations as an integral part of the software development and that data migration can been seen to data what refactoring is to code. I think that data migration is an essential for creating software that evolves. Without it, we would have to create painful software which somewhat works around a bad data structure. I am asking you: What are your thoughts to data migration, especially for the real life cases and not only from a developer's perspecticve? Do you have any arguments against my managers opinions? How does your company deal with data migrations and the difficulties caused by them? Any other interesting thoughts which belongs to this topics?

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• How to improve Algorithmic Programming Solving skill? [closed]

  - by gaurav

  Possible Duplicate: How can I improve my problem-solving ability? How do you improve your problem solving skills? Should I learn design patterns or algorithms to improve my logical thinking skills? What to do when you're faced with a problem that you can't solve quickly? Are there non-programming related activities akin to solving programming problems? I am a computer engineering graduate. I have studied programming since three years. I am good in coding and programming. I have been trying to compete in algorithmic competitions on sites such as topcoder,spoj since one and a half year, but I am still unable to solve problems other than too easy problems. I have learned from people that it takes practice to solve such problems. I try to solve those problems but sometimes I am unable to understand and even if I do understand I am unable to think of a good algorithm for solving it. Even if I solve I get Wrong answer and I am unable to figure out what is the problem with my code as it works on samples given on the sites but fails on test cases which they do not provide. I really want to solve those problems and become good in algorithms. I have read books for learning algorithms like Introduction to algorithms by CLRS,practicing programming questions. I have gone through some questions but they don't answer this question. I have seen the questions which are said duplicates but those questions focus on overall programming, but I am asking for algorithm related programming, basically for competing in programming which involve solving a problem statement then online judge will automatically evaluate it, such type of programming is quite different from the type of programming these questions discuss.

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• Why doesn't Python have a "flatten" function for lists?

  - by Hubro

  Erlang and Ruby both come with functions for flattening arrays. It seems like such a simple and useful tool to add to a language. One could do this: >>> mess = [[1, [2]], 3, [[[4, 5]], 6]] >>> mess.flatten() [1, 2, 3, 4, 5, 6] Or even: >>> import itertools >>> mess = [[1, [2]], 3, [[[4, 5]], 6]] >>> list(itertools.flatten(mess)) [1, 2, 3, 4, 5, 6] Instead, in Python, one has to go through the trouble of writing a function for flattening arrays from scratch. This seems silly to me, flattening arrays is such a common thing to do. It's like having to write a custom function for concatenating two arrays. I have Googled this fruitlessly, so I'm asking here; is there a particular reason why a mature language like Python 3, which comes with a hundred thousand various batteries included, doesn't provide a simple method of flattening arrays? Has the idea of including such a function been discussed and rejected at some point?

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• a young intellect asks: Python or Ruby for freelance?

  - by Sophia

  Hello, I'm Sophia. I have an interest in self-learning either Python, or Ruby. The primary reason for my interest is to make my life more stable by having freelance work = $. It seems that programming offers a way for me to escape my condition of poverty (I'm on the edge of homelessness right now) while at the same time making it possible for me to go to uni. I intend on being a math/philosophy major. I have messed with Python a little bit in the past, but it didn't click super well. The people who say I should choose Python say as much because it is considered a good first language/teaching language, and that it is general-purpose. The people who say I should choose Ruby point out that I'm a very right-brained thinker, and having multiple ways to do something will make it much easier for me to write good code. So, basically, I'm starting this thread as a dialog with people who know more than I do, as an attempt to make the decision. :-) I've thought about asking this in stackoverflow, but they're much more strict about closing threads than here, and I'm sort of worried my thread will be closed. :/ TL;DR Python or Ruby for freelance work opportunities ($) as a first language? Additional question (if anyone cares to answer): I have a personal feeling that if I devote myself to learning, I'd be worth hiring for a project in about 8 weeks of work. I base this on a conservative estimate of my intellectual capacities, as well as possessing motivation to improve my life. Is my estimate necessarily inaccurate? random tidbit: I'm in Portland, OR I'll answer questions that are asked of me, if I can help the accuracy and insight contained within the dialog.

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• Does concurrency inherently introduce "randomness" into a game?

  - by Jeff

  When a game is implemented with concurrency (as most games are), does this necessarily, by its very nature, introduce an element of randomness into the game that is outside of the players' control? Note that when I use the word "random", I'm not meaning to launch into a philosophical debate about the deterministic nature of the system. I understand that concurrency is deterministic in the sense that the operating system decides which processes to allow time on the CPU and in what order (or the JVM controls which Thread's turn it is to execute, etc). But my understanding of this is that there is no way to control or predict whether one thread's next command will execute before or after another. The reason I'm asking is because this seems like a fundamental difficulty for game development where a game is supposedly designed around a player's skill. Consider a game like League of Legends. Assume that two players are battling it out. It's a very close contest between the two and it's coming down to the wire -- so much so that whoever gets their last attack off will be the one to kill the other and win the game for their team. If the players are implemented using concurrency and the situation really was like this, is it essentially out of the players' hands at this point? Is the outcome of this match all up to whatever system is arbitrarily deciding which player's thread/process will execute next? If not, what am I misunderstanding about concurrency? If so, is there any way around this problem so that a game of skill can always be a game of skill, especially in those most crucial moments?

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• How many of you *really* surf around without JavaScript enabled? [closed]

  - by Stephen

  I've decided to rephrase the question. After some deliberation on Meta, I've realized that my question needs to be a bit more focused. The question: Should we (web developers) continue to spend effort progressively enhancing our web applications with JavaScript, ensuring that features gracefully degrade, thereby ensuring accessibility? Or should we spend that time focused on new features or other areas of development? The subtext of that question would be: How many of our customers/clients/users utilize our websites or applications with JavaScript disabled? Do you have any projects with requirements that specifically demand JavaScript functionality (almost all of mine do), and do those requirements also demand graceful degradation? For the sake of asking this question, I pulled up programmers.stackexchange.com without JavaScript enabled, and I was greeted with this message: "Programmers - Stack Exchange works best with JavaScript enabled". It was difficult to log in, albeit the site seemed to generally work okay. (I wasn't able to vote up any questions.) I think this is a satisfactory approach to development. Imagine the effort involved in making all of the site's features work with plain old HTML and server-side logic. OTOH, I wonder how many users have been alienated by this approach. We've all been trained (at least the good developers among us) to use progressive enhancement and to ensure our web applications' dynamic features degrade gracefully. Is this progressive enhancement just pissing into the wind, or do some of our customers actually utilize certain web services without JavaScript enabled? I mean, like really, not figuratively or presumptuously.

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• I'm a student learning C++ and I've recently found out about Ruby. Would learning (some of) Ruby help me with C++ or would it just confuse me?

  - by Von32

  Hi! As the title says, I'm a student that will be starting my second year of C++ very soon. I've discovered Ruby, however. While I've heard much buzz about the language before, I've disregarded it because I always thought it wasn't something that would be useful. However, I've found a number of FANTASTIC tutorials on ruby and am interested in learning it (probably because it seems so straightforward). Would playing around with ruby be a good or bad idea? I understand that there's not such thing as bad knowledge, but I'm afraid that Ruby will only confuse me when dealing with C++. How different from C++ is it? I've read it's based on C in some way, but my google-fu seems to be horrible today. How useful is Ruby in the real world? I'm not specifically asking about jobs- I'm more interested in what sort of applications may come from this language. Any specific examples worth looking at? Going back to Question two- I've read some posts on here that Ruby and C++ can hold hands once in a while. How flexible is this relationship? Is it rarely that this would work? Thank you Very much for your time! EDIT: This has to be the one community on the internet that doesn't suck. Why have I never posted before? You guys are awesome!

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• Too sell or give for free

  - by QAH

  Hello everyone! I am currently making a game that I was originally planning to sell. It is a simple 2D arcade style game for the PC. I've seen many indie games become popular and generate revenue from advertisements, but the game itself remains free. I need some advice on whether or not I should sell my game, release it for free with advertisements, or ask for donations and keep the game free. I feel that my game is fun, but of course the graphics aren't tip top because I am a programmer, not an artist. I just take screenshots of 3D models I get from Turbosquid and crop around it to make a sprite. Also, and I could be very wrong about this, it seems that there are more legal issues surrounding selling a game than making it free and generating revenue from advertisement, or asking for donations. If I am wrong, someone please correct me. Also, I am very interested in generating some revenue for my work, but that isn't at the very top of my list. I am in my last year of high school, soon to be going to college, and I am going to major in computer science/software engineering. So I am trying to gain some preliminary experience at home by coding stuff every day. One way of getting this experience is by making this game. So what do you think? What route should I take? What has worked well with other indie games? Thanks in advance.

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• How can a large, Fortran-based number crunching codebase be modernized?

  - by Dave Mateer

  A friend in academia asked me for advice (I'm a C# business application developer). He has a legacy codebase which he wrote in Fortran in the medical imaging field. It does a huge amount of number crunching using vectors. He uses a cluster (30ish cores) and has now gone towards a single workstation with 500ish GPUS in it. However where to go next with the codebase so: Other people can maintain it over next 10 year cycle Get faster at tweaking the software Can run on different infrastructures without recompiles After some research from me (this is a super interesting area) some options are: Use Python and CUDA from Nvidia Rewrite in a functional language. For example, F# or Haskell Go cloud based and use something like Hadoop and Java Learn C What has been your experience with this? What should my friend be looking at to modernize his codebase? UPDATE: Thanks @Mark and everyone who has answered. The reasons my friend is asking this question is that it's a perfect time in the projects lifecycle to do a review. Bringing research assistants up to speed in Fortran takes time (I like C#, and especially the tooling and can't imagine going back to older languages!!) I liked the suggestion of keeping the pure number crunching in Fortran, but wrapping it in something newer. Perhaps Python as that seems to be getting a stronghold in academia as a general-purpose programming language that is fairly easy to pick up. See Medical Imaging and a guy who has written a Fortran wrapper for CUDA, Can I legally publish my Fortran 90 wrappers to Nvidias' CUFFT library (from the CUDA SDK)?.

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• What characteristic of a software determines its operational scope?

  - by Dark Star1

  How can I classify whether a software is a medium with the ability to grow into an enterprise level software or whether it is already there? And how should I use the information to choose the appropriate language/tool to create the software? At first I was asking whether Java or PHP is the best tool to design enterprise level software, however I've suddenly realized that I am unable to put the software I'm tasked with redesigning into the proper scope so I'm lost. Edit: I guess I'm looking for tell tale signs in software that may tip the favour towards enterprise level type software in the sense of functional and operational characteristics; functional: what it does (multi-functional), Architectural characteristics such as highly modular. operational: multi-sourced and multi-homed, databases, e.t.c. To be honest the reason I ask is because I'm skeptical about the use of PhP to design a piece of employee and partial accounting software. I'm more tipping towards the use of JSP and an hmvc framework such as JSF, wickets, e.t.c. where as the other guy wants to go the PhP way although I'm not experienced with PhP, as far as I know it's not an OO oriented language hence my skepticsm towards it.

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• Demonstrate bad code to client?

  - by jtiger

  I have a new client that has asked me to do a redesign of their website, an ASP.NET Webforms application that was developed by another consultant. It seemed straight-forward (it never is) but I took a look at the code to make sure I knew what I was in for. This application was not written well. At all. It is extremely vulnerable to SQL Injection attacks, business logic is spread throughout the entire application, a lot of duplication, and dead end code that does nothing. On top of that, it keeps throwing exceptions that are being smothered, so it all appears to be running smoothly. My job is to simply update the html and css, but much of the html is being generated in business logic and would be a nightmare for me to sort everything out. My estimates on the redesign were longer than the client was aiming for, and they are asking why so long. How can I explain to my client just how bad this code is? In their mind, the application is running great and the redesign should be a quick one-off. It's my word against the previous consultant, so how can I actually give simple, concrete examples that a non-technical client would understand?

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• How to use the Nautilus search option

  - by Luis Alvarado

  In Nautilus if I press CTRL+F I get a search box that helps me search in the current directory and sub directories for specific names, but what if I want to: Find ALL files (including files without extensions) Find a file without an extension (Without the dot symbol or without any other name/extension separator) Find a file with/without a special character Find all files that start/not start with a character Find all files that end/not end with a character Find all files that start/no start with a character but end/not end with a character Find only files/folders Find files with specific text in them Find files with less/more/equal than/to X size Find files modified/created in X date All of this searches in the Nautilus search box I mentioned before. I ask this since the KDE's search is much better in this and gives pretty good freedom in searching for virtually anything, so I might not be learning how to use the Nautilus search option correctly. Note that I am talking about the first search done since some of this options show AFTER a search is done so the user can narrow it down more by doing a more specific search inside the Search results (for the first search). I am asking here how to do any of the search options I mentioned above in the first search.

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• Simultaneous AI in turn based games

  - by Eduard Strehlau

  I want to hack together a roguelike. Now I thought about entity and world representation and got to a quite big problem. If you want all the AI to act simultaneously you would normally(in cellular automa for examble) just copy the cell buffer and let all action of indiviual cells depend on the copy. Actions which are not valid anymore after some cell before the cell you are currently operating on changed the original enviourment(blocking the path) are just ignored or reapplied with the "current"(between turns) environment. After all cells have acted you copy the current map to the buffer again. Now for an environment with complex AI and big(datawise) entities the copying would take too long. So I thought you could put every action and entity makes into a que(make no changes to the environment) and execute the whole que after everyone took their move. Every interaction on this que are realy interacting entities, so if a entity tries to attack another entity it sends a message to it, the consequences of the attack would be visible next turn, either by just examining the entity or asking the entity for data. This would remove problems like what happens if an entity dies middle in the cue but got actions or is messaged later on(all messages would go to null, and the messages from the entity would either just be sent or deleted(haven't decided yet) But what would happen if a monster spawns a fireball which by itself tracks the player(in the same turn). Should I add the fireball to the enviourment beforehand, so make a change to the environment before executing the action list or just add the ball to the "need updated" list as a special case so it doesn't exist in the environment and still operates on it, spawing after evaluating the action list? Are there any solutions or papers on this subject which I can take a look at? EDIT: I don't need information on writing a roguelike I need information on turn based ai in respective to a complex enviourment.

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