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• Functional Programming - Does Knowing It Help Job Prospects?

  - by Jetti

  The main language that I use at the moment is C# and I am the most comfortable with it. However, I have started dabbling in F# and Haskell and really enjoy those langauges. I would love to improve my skills in either of those languages over time since it truly is fun for me to use them (as opposed to Ruby, which is hyped as "fun", I just don't get where the fun is, but I digress...). My question is directed at those who have hired/interviewed for programming positions (junior/mid-level): if you see a functional programming language on a resume, does it affect your opinion (whether positive or negatively) of that candidate? My rationale for knowledge of functional programming affecting the view of a candidate is because it can show that the candidate can adapt to different methodologies and take a mulit-dimensional approach to problems rather than the "same old OO approach". (This may be off-base, please let me know if this assumption is as well!)

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• Architecture of a "website generator" web application

  - by Resorath

  What is the most maintainable and efficient way to architect a web application who's purpose is to host and generate websites which can be customized to a certain degree? There are a lot of these style of applications in the wild that generate all kinds of sites, from sites that host World of Warcraft guilds like guildlaunch to other sites like my wedding for wedding site hosting. My question is, what is the basic architecture that these sites operate on? I imagine there are two ways of thinking about this. A central set of code that all sites on the host run against, and it acts differently based on which site was visited. In this manner, when the base code is updated all sites are updated simultaneously. Or, the code for an individual site exists in a silo, and is simply replicated to a new directory each time a site is created. When an update needs to be applied, the code is pushed out to each site silo. In my case, I am working in PHP with the CodeIgniter framework, however the answer need not be limited to this case. Which method (if any) creates a more maintainable and efficient architecture to manage this style of web application?

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• Why are most websites optimized for viewing in portrait mode?

  - by NVM

  I simply cannot figure this out. Almost all monitors have an aspect ratio where width is much bigger than the height and yet almost all websites are designed exactly for the other way round? I am not really a web developer and am just experimenting stuff at the moment but this madness baffles me!!! Edit: The point is not that I would like to limit the height of a website. The point is that I'd wat it to somehow fill all available space when I have my 1920x1080 in landscape mode. Edit 2: See this to understand what I am saying

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• How do I get my programs to communicate with each other

  - by Benjamin Lindqvist

  I'm basically just getting started with programming. The problem I have with progressing is that I have a hard time learning stuff just for the sake of knowing them - I do better when there's a problem to be solved or a task to be completed so I can learn 'on the job'. So I'm interested in starting some interesting project. I know the basics of Python, Java, Matlab and some C++ aswell and I know enough about microcontrollers to make LED blink etc. The type of stuff I'm looking for is for example scraping some weather forecast site (with Python) and outputting the chance of rain to a LCD display, or a program that makes chrome open and log in to facebook if I say "HAL, time for facebook", or more generally, a program that reads serial/USB input, looks for certain sequences and sends instructions to some other program if it finds one. Do you open some kind of shared stream in which one program reads and one writes? What do I need to read up on to do accomplish this myself? I have no experience with linux or the linux terminal, but looking over peoples shoulders makes me suspect that's what people use. Is that correct?

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• I want to be a programmer, work in corporate environment, earn well, learn fast and eventually become a great programmer [on hold]

  - by Shin San

  I'll try to keep this simple: I'm 29, been dabbling with computers for the past 10 years, had entry level jobs in tech support for different apps, been fixing computers for a while and now want to specialize in something. I'm not 100% stranger to programming but haven't gone past if/then/else with anything. A bit of JavaScript, PHP, Python and currently checking out the "SELECT" statement in SQL :)) I'm curious about programming, I enjoy it and I'm thinking of making a living out of it. So, while I'm at it, why not earn a bit more than the average Joe? So, that's why I'm checking what the best solution, the best learning path and the most useful languages are considering: a) how easy/fast can you find a job by knowing it b) how much would I be able to earn c) how fast can I learn it By reading 10-20 articles online I've come up with an example, but I'm here for some expert advice. Example: * ratings from a) and b) point of view #1 sql ; #2 java ; #3 html (please don't start the markup language debate) ; #4 javascript From this ratings, I'd say a good way to go is learn html/css/(javascript or php) for the web part of apps, some SQL/MySQL/whateverSQL for holding data and loads of Java for the program itself. Please let me know if this is a good idea and if so, what should be the order for learning all of the above. Else, please let me know a better way and why it would be better. Many thanks for taking the time to read my question. Best wishes to you guys Edit: if I think Java + SQL + HTML&JavaScript is the way to go, does the order I'm learning them in matter? Or can I try to learn them all at once?

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• question about offer letter from tech company [migrated]

  - by paul smith

  I just received an offer letter from a tech company and I am a curious if it is normal practice to state this in the offer letter: "Your salary will be reviewed on a regular cycle as dictated by company policy"?Is this normal? To me it sounds a little shady, but I might just be thinking too much which is why I'd like to hear from others who've seen/received offer letters before from tech companies.

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• If PHP websites represnt 70% of websites in my country then should I learn it?

  - by Fadi Tiwari

  In my country most of the sites are built using PHP and MySQL. Half of those sites use vbulletin and Wordpress. When it comes to companies, ministries and universities they use ASP.NET. I am not sure what should I learn to get more money as freelacer? Should I learn ASP.NET and focus my area to build companies and universities' sites? (And the question if they will know me one day and ask me to build any of their sites or not?) Or should I learn PHP and focus my business on people's sites and maybe some small formal sites? Which option will give me more money?

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• Conflict resolution for two-way sync

  - by K.Steff

  How do you manage two-way synchronization between a 'main' database server and many 'secondary' servers, in particular conflict resolution, assuming a connection is not always available? For example, I have an mobile app that uses CoreData as the 'database' on the iOS and I'd like to allow users to edit the contents without Internet connection. In the same time, this information is available on a website the devices will connect to. What do I do if/when the data on the two DB servers is in conflict? (I refer to CoreData as a DB server, though I am aware it is something slightly different.) Are there any general strategies for dealing with this sort of issue? These are the options I can think of: 1. Always use the client-side data as higher-priority 2. Same for server-side 3. Try to resolve conflicts by marking each field's edit timestamp and taking the latest edit Though I'm certain the 3rd option will open room for some devastating data corruption. I'm aware that the CAP theorem concerns this, but I only want eventual consistency, so it doesn't rule it out completely, right? Related question: Best practice patterns for two-way data synchronization. The second answer to this question says it probably can't be done.

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• Online Poker Game Programming

  - by Eyal

  I am trying to write a massive online multiplayer client for a poker site, where one user can be on a Flash client and the other on say an iOS client (iPhone / iPad), and would like to know how can interaction between two users be visible on both clients. What would be better to use? Should I use MSMQ? AJAX? Something other? I need the messaging layer (client interaction messages) to scale up to 100K+ online users to begin with. In other words; What scalable technology can I use to make game interactions between online users visible to all game participants?

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• Truly useful UML diagrams

  - by eversor

  UML has a jungle of Diagrams. Profile Diagrams, Class Diagrams, Package Diagrams... However, (IMH-and-not-too-experienced-O) I quite see that doing each and every diagram is overkill. Therefore, which UML Diagrams are more suitable in a web context, more expecificly a blog (we want to build it from scratchs). I understand that just because I used UML Diagrams does not imply that our code would be great and brilliant... but, it certainly would be better than just unplanified code...

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• Where can I get resources to design a website like this? [closed]

  - by Jhon Andrew

  I have a project. To make a CMS for an online game. Can anyone suggest me where I can get resources that I can use like vintage borders, seamless old papers or any vintage like patterns, etc. I would like to come up with something like this website for example: http://www.gamezaion.com/ I hope someone would suggest and/or give me ideas, inspirations, and examples how I can come up to something like it. P.S.: I am getting a hard time designing, because I define my self as a developer not a designer.. Lol.

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• How URL Redirection affects SEO?

  - by Costa

  The following paragraph is from SEO Google Guide Google is good at crawling all types of URL structures, even if they're quite complex, but spending the time to make your URLs as simple as possible for both users and search engines can help. Some webmasters try to achieve this by rewriting their dynamic URLs to static ones; while Google is fine with this, we'd like to note that this is an advanced procedure and if done incorrectly, could cause crawling issues with your site. What makes URL re-writing implementation incorrect for GoogleBot? I am using Asp.net 3.5 framework. Thanks

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• GWT (Google Web Toolkit) Designer not working on Ubuntu 12.10

  - by Marian Lux

  The GWT Desinger is not working on Ubuntu 12.10. It worked on Ubuntu 12.04. I installed the Eclipse Plugin as described on the GWT Homepate If I want to open the Design-View (for an xml-GWT-File), Eclipse crashes (prompt closing of the application). I found this two workarounds for which are for 12.04 (but on 12.04 i did not need this to get it working - it worked out of the box for me). I tried them on my 12.10 Ubuntu but they are not working. But I have to say that I can't find the "Use WebKit for rendering GWT UI (if available)"-Flag. What can I do to get the GWT Designer working? I tested it successfully again on a 12.04 Ubuntu VMware image. If I don't get a solution, I have to downgrade my Ubuntu to 12.04 again.

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• Quickly, code and ui are not communicating well, at all

  - by Alex

  I have been following the http://developer.ubuntu.com/resources/tutorials/all/diy-media-player-with-pygtk/ tutorial, i followed everything in it to the letter. i even set the signal of the tool button "openbutton" to on_openbutton_clicked. i run the code, click the button, nothing happens. i cant seem to get the button to do anything. any help will be super amazing!! http://pastebin.com/7Tq99Ytg pastebin to the .py file.

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• Resize broswer window below 400px on OS X

  - by David

  Resizing Firefox windows (by dragging) works fine, up until the window is about 400 px wide, at which point the width of the web page content cease to follow the window with. I'm pretty sure it's not a CSS issue, and the same thing goes for Chrome and Safari as well (they won't even let me resize the window < 400 px wide). I can't understand where this limitation comes from. Is it a setting in the browser? A bug? A limitation of the OS?

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• How In-Memory Database Objects Affect Database Design: Hybrid Code

  - by drsql

  In my first attempts at building my code, I strictly went with either native or on-disk code. I specifically wrote the on-disk code to only use features that worked in-memory. This lead to one majorly silly bit of code, used to create system assigned key values. How would I create a customer number that was unique. We can’t use the Max(value) + 1 approach because it will be very hideous with MVCC isolation levels, since 100 connections might see the same value, leading to lots of duplication. You...(read more)

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• How stable are Single Page Application (SPA) build with Microsoft .Net for enterprise application [on hold]

  - by Husrat Mehmood

  Imagine a situation where you have your data loading to your application via REST Api,you are building a responsive application(ajax request) for an Enterprise. What potential problems might I run into for a single page application(SPA) using Microsoft Asp.Net Web application build using MVC template? Are there advantages to just designing a multi-page application using asp.net mvc 5 remember I am using SPA for an Enterprise Application where there are role based views for the users.?

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• Copyright of pictures upload to a website?

  - by All

  I want to run a website like stock photos. How can I be sure that the uploader is real copyright holder of the picture? Is it possible to leave the responsibility of this copyright claim to the uploader or at last the webmaster is responsible for the website content? It generally confuses me, as for example, stock photo websites needs form signed by the model for photos showing human face. How they can be sure that the signature actually belongs to the model? How they keep them safe from possible lawsuit in this case (e.g. if selling photos of a models with a fake signature?)

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• Software vs Network Engineer (Salary, Difficulty, Learning, Happiness)

  - by B Z

  What are your thoughts on being a Software Engineer vs a Network Engineer? I've been on the software field for almost 10 years now and although I still have a great deal of fun (and challenges), I am starting to think it could be better on the "other" side. Not to degrade network engineers (i know there are many great ones out there), it seems (in general) their job is easier, the learning curve from average to good is not as steep, job is less stressful and pay is better on average. I think as software developer I could make the switch to networking and still enjoy working with computers and feel productive. I spend an enormous amount of time learning about software, practices, new technologies, new patters, etc...I think I could spend a much smaller amount of time learning about networking and be just as "good". What are your thoughts? EDIT: This is not about making easy money. Networking and Software are closely related, I love computers and programming, but if I can work with both, make more money and have less stress in my life and can spend more time with my family, then I am willing to consider a change and hence I am looking for advice that Do or Don't support this view.

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• *Hidden Features* in your operating system that increase productivity?

  - by AdityaGameProgrammer

  As developers how much time, or do you spend time, In learning the hidden features tricks of your operating system ? How important do you feel is this for productivity in day to day programming? tasks. What do you mean when you list knowledge of an OS in your resume? What are your most useful hidden -less known features For example: A common problem of How can i open the cmd window in a specific location a do it yourself solution in say xp and what to do if something breaks Or are these something you look into as and when you find the need to do so?

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• BDD: Getting started

  - by thom

  I'm starting with BDD and this is my story: Feature: Months and days to days In order to see months and days as days As a date conversion fan I need a webpage where users can enter days and months and convert them to days. I have some doubts ... Should I write my scenarios before coding anything or should I first write a scenario and then write code, write a scenario again and then write code, and so on ... ? If I should write my scenarios before, can my steps be approved and production code still does not get done? When should I do refactoring on my code? After the feature is done or after each scenario implementation?

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• ecommerce options for 5-6 products

  - by Calum

  Hi, We're looking to develop a simple e-commerce solution to sell 5-6 products. We'd rather not have to use PayPal's buttons (buy it now!) if there's an existing alternative, but would also for budget/time constraints don't want to roll our own. Are there any small, basic ecommerce solutions available that would allow this? I did look at Foxy Cart but the monthly fee was a bit of a turn off. (I must sound extremely fussy I'm aware!) Something like Zen would just be overkill for our needs. Thanks for any suggestions.

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• To make or not to make...python-nautilus a dependency?

  - by George Edison

  That is the question! Okay, all silliness aside, I really am forced to make a difficult decision here. My application is written in C++ and allows other scripts to invoke methods via XML-RPC. One of these scripts is a Nautilus extension written in Python. The extension is packaged with the rest of the application and copied to the appropriate place when installed (/usr/share/nautilus-python/extensions). Now the problem is that the Nautilus extension requires the python-nautilus package to be installed to be operational. So therefore I have three options: Make the python-nautilus package a dependency. This option will ensure that anyone who installs my package will be able to use the Nautilus extension. However, this option will not be attractive to XFCE or KDE users - a ton of python-nautilus's dependencies will be installed on their machines and take up a lot of space - even if they never use Nautilus. Put the python-nautilus package in the suggests: or recommends: field. This option provides the end-user with a way to avoid installing the python-nautilus package (by providing the --no-install-suggests or --no-install-recommends argument to apt-get). However, this won't work when the user installs the package in the Software Center. (I always get mixed up as to which of those two fields are installed by default.) Prompt the user when the application is installed or first launched. This option is more complicated than the others but offers the best compromise between making it easy for the user to install python-nautilus (without going into a technical explanation) and not installing it when the user doesn't need it (or want it). I guess the best way to implement this is a simple prompt that invokes apt-get if the user would like the package installed. Don't install the package at all. This option ensures that nobody has python-nautilus installed on their machine unless they want it. However, this also means that my Nautilus extension will simply not run on the end-user's machine unless they manually install the package. Which of these options seems the best choice? Have I missed any pros and cons for each of the options?

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• What skills does a web developer need to have/learn?

  - by Victor

  I've been I've asked around, and here's what I gathered so far in no particular order: Knowledge Web server management (IIS, Apache, etc.) Shell scripting Security (E.g. ethical hacking knowledge?) Regular Expression HTML and CSS HTTP Web programming language (PHP, Ruby, etc.) SQL (command based, not GUI, since most server environment uses terminal only) Javascript and library (jQuery) Versioning (SVN, Git) Unit and functional test Tools Build tools (Ant, NAnt, Maven) Debugging tools (Firebug, Fiddler) Mastering the above makes you a good web developer. Any comments?

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• What advantages does developing applications for smartphones have over developing the same application as a web application?

  - by Alfredo O

  Let's take the Facebook application as an example. Why did they develop an application when the users could just access to their page and do the same? For me that represents more maintenance and more cost because for each feature added to the web application that feature will have to be added to the smartphone application as well. So why would I want to develop more than once (for each patform iOS, Android, etc) when I could just have one web application? What benefits do I get? The only one that comes to my mind is GPS feature. EDIT: My question is more oriented towards business applications that are going to be used only by some members of the company, it's not about selling the application (private use). So contrary to what some answers say about that by developing as a smartphone application it will benefit from more sells because of the "smartphone stores" for me this point is not important because the application is for private use. By developing the application as a web application it means that it can be accessed through smartphone browser and also in a PC (any capable browser), but developing as a native application would limit this to only some kind of smartphone so we would be limiting the use. On the other hand developing it as a web application means that in order to access the application an Internet connection must be available. So keeping this in mind how would you convince your boss to write the application for a given smartphone platform (iOS/Android) vs developing it as a web application?

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