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• Ask for Budget vs. Give Proposal

  - by Miro

  Should I ask a prospect what his budget is or just give out a price? He need: "a new web site, with nice effects but at same time very simple & funtional for my costumers & guests" It's a 5 page website for mp3 guided tour with 2-3 paragraphs of text on each page and 5-8 images on total + logo that needs redesign. It's my first 'over distance' job. (I don't know the guy personally and have never met him) Please let me know what is a good practice and how to proceed. P.S. Also what is an average price for Simple 5 page Flash website with some custom graphics. Thanks

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• Algorithm to optimize grouping

  - by Jeroen

  I would like to know if there's a known algorithm or best practice way to do the following: I have a collection with a subcollection, for example: R1 R2 R3 -- -- -- M M M N N L L A What i need is an algorithm to get the following result: R1, R2: M N L R2: A R3: M This is -not- what i want, it has more repeating values for R than the above: R1, R2, R3: M R1, R2: N L R2: A I need to group in way that i get the most optimized groups of R. The least amount of groups of R the better so i get the largest sub collections. Another example (with the most obvious result): R1 R2 R3 -- -- -- M M A V V B L L C Should result in: R1, R2: M V L R3: A B C I need to do this in LINQ/C#. Any solutions? Tips? Links?

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• IValidatableObject vs Single Responsibility

  - by Boris Yankov

  I like the extnesibility point of MVC, allowing view models to implement IValidatableObject, and add custom validation. I try to keep my Controllers lean, having this code be the only validation logic: if (!ModelState.IsValid) return View(loginViewModel); For example a login view model implements IValidatableObject, gets ILoginValidator object via constructor injection: public interface ILoginValidator { bool UserExists(string email); bool IsLoginValid(string userName, string password); } It seems that Ninject, injecting instances in view models isn't really a common practice, may be even an anti-pattern? Is this a good approach? Is there a better one?

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• Architecture guidelines for a "single page web-app"

  - by Matt Roberts

  I'm going to start a side project to build a "single page" web application. The application needs to be real-time, sending updates to the clients as changes happen. Are there any good resources for best-practice approaches wrt the architecture for these kinds of applications. The best resource I've found so far is the trello architecture article here: http://blog.fogcreek.com/the-trello-tech-stack/ To me, this architecture, although very sexy, is probably over-engineered for my specific needs - although I do have similar requirements. I'm wondering if I need to bother with a sub/pub at the server side, could I not just push updates from the server when something happens (e.g. when the client sends an update to the server, write the update to the db, and then send an update to the clients). Tech-wise, I'm probably looking to build this out in Node.JS or maybe Ruby, although the architecture guidelines should to some extent apply to any underlying server technologies.

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• Books for MCSD and advice

  - by Mahesha999

  Hi there I am thinking to get certification done for MCSD. http://www.microsoft.com/learning/en/us/certification/cert-mcsd-web-applications.aspx I did found the books for first exam 480 comprising CSS3, HTML5 and JavaScript. However I did not found books for other exams: 486: ASP.NET MVC 4.5 Apps - Will ASP.NET 4 books suffice for this? Should I also learn Web Forms though I have considerable part of it. 487: Windows Azure and Web Services - What book should I use? I seems that the syllabus is too huge and will take considerable time. Anyone suggesting any advice to complete such exams, since this is going to be my first such. How should I prepare? Should I give this exam? Will it help? Sorry I know I asked many questions here in one questions - a bad practice but the books-question is a big concern for me.

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• When should I make the first commit to source control?

  - by Kendall Frey

  I'm never sure when a project is far enough along to first commit to source control. I tend to put off committing until the project is 'framework-complete' and primarily commit features from then on. (I haven't done any personal projects large enough to have a core framework too big for this.) I have a feeling this isn't best practice, though I'm not sure what all could go wrong. Let's say, for example, I have a project which consists of a single code file. It will take about 10 lines of boilerplate code, and 100 lines to get the project working with extremely basic functionality (1 or 2 features). Should I first check in: The empty file? The boilerplate code? The first features? At some other point? Also, what are the reasons to check in at a specific point?

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• Does the use of debuggers have an effect on the efficiency of programmers? [closed]

  - by alain.janinm

  Possible Duplicate: Are debugging skills important to become a good programmer? I'm a young Java developer and I make a systematic use of the Netbeans debugger. In fact, I often develop my applications when I debug step by step in order to see immediately if my code works. I feel spending a lot of time programming this way because the use of debugger increase execution time and I often wait for my app to jump from a breakpoint to an other (so much that I've the time to ask this question). I never learned to use a debugger at school, but at work I've been told immediately to use this functionality. I started teaching myself to use it two years ago, and I've never been told any key tips about it. I'd like to know if there are some rules to follow in order to use the debugger efficiently. I'm also wondering if using the debugger is eventually a good practice? Or is it a loss of time and I've to stop now this bad habit?

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• One method with many behaviours or many methods

  - by Krowar

  This question is quite general and not related to a specific language, but more to coding best practices. Recently, I've been developing a feature for my app that is requested in many cases with slightly different behaviours. This function send emails , but to different receivers, or with different texts according to the parameters. The method signature is something like public static sendMail (t_message message = null , t_user receiver = null , stream attachedPiece = null) And then there are many condition inside the method, like if(attachedPiece != null) { } I've made the choice to do it this way (with a single method) because it prevents me to rewrite the (nearly) same method 10 times, but I'm not sure that it's a good practice. What should I have done? Write 10 sendMail method with different parameters? Are there obvious pros and cons for these different ways of programming? Thanks a lot.

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• Continuous integration - build Debug and Release every time?

  - by Darian Miller

  Is it standard practice when setting up a Continuous Integration server to build a Debug and Release version of each project? Most of the time developers code with a Debug mode project configuration set enabled and there could be different library path configurations, compiler defines, or other items configured differently between Debug/Release that would cause them to act differently. I configured my CI server to build both Debug & Release of each project and I'm wondering if I'm just overthinking it. My assumption is that I'll do this as long as I can get quick feedback and once that happens, then push the Release off to a nightly build perhaps. Is there a 'standard' way of approaching this?

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• Single IBAction for multiple UIButtons versus single IBAction for single UIButton

  - by Miraaj

  While using story-board there are two different approaches which my team mates follow: Approach 1: To bind unique action with each button, ie: Done button - binded to - doneButtonAction Cancel button - binded to - cancelButtonAction OR Approach 2: To bind single action to multiple buttons, ie: Done button - binded to - commonButtonAction Cancel button - binded to - commonButtonAction Then in commonButtonAction they prefer to use switch case like this: - (IBAction)commonButtonAction:(id)sender { UIButton *button = (UIButton *)sender; switch (button.tag) { case 201: // done button [self doneButtonAction:sender]; break; case 202: // cancel button [self cancelButtonAction:sender]; break; default: break; } } - (void)cancelButtonAction:(id)sender { // no interesting stuff, simple dismiss of view :-( } - (void)doneButtonAction:(id)sender { // some interesting stuff ;-) } Reasoning which they give to follow approach 2 is - in each view controller during code walk through anyone can easily identify where to find code related to button actions. While others discard this idea because they say that adding an extra switch case is unnecessary and is not a common practice. What are your views?

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• How should I incorporate a hotfix back into a feature branch using gitflow?

  - by Mark Trapp

  I've started using gitflow for a project, and I have an outstanding feature branch as well as a newly created hotfix. Per the gitflow workflow, the hotfix gets applied to both the master and develop branches, but nothing is said or done about extant feature branches. Nevertheless, I'd like to incorporate the hotfix changes back into my feature branch, which as near as I can tell leaves three options: Don't incorporate the changes. If the changes were needed for the feature branch, it should've been part of the feature branch. Merge develop back into the feature branch. This seems to follow the gitflow workflow the best, but would cause out-of-order commits. Rebase the feature branch onto develop. This would preserve commit order but rebasing seems to be completely absent from the general gitflow workflow. What's the best practice here?

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• The Mystery of the Vanishing Disk Space

  - by Oddthinking

  My disk space is dwindling by about 2GB a day! I only have a few more days before I run out of space. $ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda4 143G 126G 11G 93% / udev 491M 4.0K 491M 1% /dev tmpfs 200M 696K 199M 1% /run none 5.0M 0 5.0M 0% /run/lock none 499M 144K 499M 1% /run/shm /dev/sda2 1.9G 580M 1.2G 33% /tmp /dev/sda1 92M 29M 58M 33% /boot I have been searching for the biggest directories/log files, deleting and compressing. But I am still losing the war. Finally, I realised I have a big misunderstanding: julian@server1:~$ sudo du -h / | tail -n 1 16G / All of my files in / only add up to 16 GB. That leaves 110 GB unaccounted for! Clearly I have a misunderstanding: I thought the '/dev/sda4' line represented all the files visible from '/'. What should I be reading to understand where the other storage has gone? More details: I have an Ubuntu 11.10 server, that was set-up by data-center staff. It is running my own code (which is fairly prolific with log files, but otherwise doesn't store much stuff on the drive) duplicity for backups (which tends to store a lot of signature files) various other standard services, like Apache, nagios, etc. They are very lightly used. It has been up for about 4 months without a reboot. I lied about the du output (simplified it for effect). It also complained about not being able to access GVFS and the du processes's own resources. I believe they are irrelevant: . du: cannot access `/home/julian/.gvfs': Permission denied du: cannot access `/proc/10841/task/10841/fd/4': No such file or directory du: cannot access `/proc/10841/task/10841/fdinfo/4': No such file or directory du: cannot access `/proc/10841/fd/4': No such file or directory du: cannot access `/proc/10841/fdinfo/4': No such file or directory

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• How do I transition from WUBI to a native installation?

  - by Sammy Black

  I have Ubuntu 10.04 Lucid installed through wubi on my laptop (it came with Windows 7 preinstalled). This was my first foray into Linux, and I'm here to stay. I have no use for Windows, and yet I must manually choose not to boot into it! Should I shrink the Windows partition to something negligible and grow the Linux one using something like gparted or fdisk, and just be content that everything runs? In that case, I need to understand the filesystems. Which is which? Here's the output of $ df -h: Filesystem Size Used Avail Use% Mounted on /dev/loop0 17G 11G 4.5G 71% / none 1.8G 300K 1.8G 1% /dev none 1.8G 376K 1.8G 1% /dev/shm none 1.8G 316K 1.8G 1% /var/run none 1.8G 0 1.8G 0% /var/lock none 1.8G 0 1.8G 0% /lib/init/rw /dev/sda3 290G 50G 240G 18% /host I would prefer to start over with a clean install of 10.10 Maverick, but I fear what I may lose. Certainly, I will backup my home directory tree (gzip?), but what about various pieces of software that I've acquired from the repositories? Can I keep a record of them? By the way, I asked a similar question over on Ubuntu forums.

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• force users to activate account before using service?

  - by fxuser

  i am not sure if this is the correct SE site to post this, but ill go on... So at the moment i force my users to activate their account upon registration if they want to sign in. I see some decent sites let their users sign in and use their features even their account is not activated and just show a message on top of the page letting them know that their account is not yet activated and that you need to activate it. So which practice is best? Should i stick with that i have or change it?

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• Learning about C Bitshift Operators

  - by Chris Hammond

  So I was doing some reading tonight on my Nerdkit , I had planned to actually do some playing around with it, but decided just to read a bit. I’ve never coded in C, I did C++ in College (not very well) and do most of my development in C# these days (when I’m doing code, mostly for fun). While all similar, there are a few differences, so doing things in C is a learning experience. There was some practice questions for AND and OR using Binary. Here are some examples. When comparing binary with AND ...(read more)

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• Is it appropriate for a class to only be a collection of information with no logic?

  - by qegal

  Say I have a class Person that has instance variables age, weight, and height, and another class Fruit that has instance variables sugarContent and texture. The Person class has no methods save setters and getters, while the Fruit class has both setters and getters and logic methods like calculateSweetness. Is the Fruit class the type of class that is better practice than the Person class. What I mean by this is that the Person class seems like it doesn't have much purpose; it exists solely to organize data, while the Fruit class organizes data and actually contains methods for logic.

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• Should my colleagues review each others code from source control system?

  - by Daniel Excinsky

  Hi everybody. So that's my story: one of my colleagues uses to review all the code, hosted to revision system. I'm not speaking about adequate review of changes in parts that he belongs to. He watches the code file to file, line to line. Every new file and every modified. I feel just like being spied on! My guess is that if code was already hosted to control system, you should trust it as workable at least. My question is, maybe I'm just too paranoiac and practice of reviewing each others code is good? P.S: We're team of only three developers, and I fear that if there will be more of us, colleague just won't have time to review all the the code we'll write.

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• Is catching general exceptions really a bad thing?

  - by Bob Horn

  I typically agree with most code analysis warnings, and I try to adhere to them. However, I'm having a harder time with this one: CA1031: Do not catch general exception types I understand the rationale for this rule. But, in practice, if I want to take the same action regardless of the exception thrown, why would I handle each one specifically? Furthermore, if I handle specific exceptions, what if the code I'm calling changes to throw a new exception in the future? Now I have to change my code to handle that new exception. Whereas if I simply caught Exception my code doesn't have to change. For example, if Foo calls Bar, and Foo needs to stop processing regardless of the type of exception thrown by Bar, is there any advantage in being specific about the type of exception I'm catching?

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• Salesforce deployment guideline using Sandbox

  - by ybbest

  Create Deployment connection Enable the inbound change set settings on the destination Environment you would like to deploy the solution to. Enable the outbound change set settings on the source Environment where you package your application. The best practice is to Package everything in the changeset and salesforce will only deploy the change into your destination environment. If you only package the change, you could miss some of the changes. You can clone the change set on the source destination however the initial packaging takes some time as you need to go through everything and select the components manually. After the change set is packaged, you need to upload the chagneset so that destination environment can see the change set in its incoming change set list. Click Validate the change set before deployment. References: Development Lifecycle Guide Change Sets Best Practices

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• SEO for a list of products with filters

  - by dana

  I am a wondering if there is a recommended "best practice" for a product search SEO. I know to create a dynamic sitemap file that lists links to all products in the site. However, I want to implement a a bookmark-able "advanced search". Should I let search engines index any of the results? Take the following parameters for a search on a make believe used car website: minprice (minimum price in dollars) maxprice (maximum price in dollars) make (honda, audi, volvo) model (accord, A4, S40) minyear (minimum model year) maxyear (maximum model year) minmileage (minimum mileage) maxmileage (maximum mileage) Given these parameters, there could be an infinite number of search combinations: Price Between $10,000 and $20,000 /search?minprice=10000&maxprice&20000 Audis with less than 50k miles /search?model=audi&maxmileage=50000 More than 100,000 miles and less than $5,000 /search?minmileage=100000&maxprice=5000 etc. Over time, there may be inbound links to a variety of these types of searches, yet they are all slices of the same data. Should I allow for all of these searches to be indexed?

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• First time android game development [on hold]

  - by Dave

  My friend and i are developing a android game. This is my first time develop android game, so we don't know how to code The game is 2d game and we develop it without 3rd party engine / framework. Now we got a few questions, hope you can help us. In game play, using 'Surfaceview' only to achieve it. Is it best practice? On 'Surfaceview', a lot of difference button(Menu, pause, game object..etc) is on it, but I don't know how to code it? (actually, i have already done, but...so stupid way. Detect the user touch position (x, y) to identify where they touch[rect(x1,y1,x2,y2).contain(x,y)] Is it right? Teach me how to do if wrong. View / Surfaceview / OpenGL, which is suitable for us? (if like Tetris) Thank you for your help. Ps: My english is not good, hope you can understand what i mean.

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• Networking not starting - OpenVZ default Ubuntu 12.04 Template

  - by Stu2000

  I have been using HyperVM to deploy OpenVZ Ubuntu 12.04 server instances. Unfortunately, they all boot without networking enabled. I tried inserting int the crontab: @reboot /usr/sbin/service networking restart But this didn't work. Running this command (without @reboot) from the CLI will result in the network starting and being able to use commands like ifconfig so I get the feeling it is just a matter of the cron being called too soon? What is the best practice for resolving the issue. I am guessing something along the lines of adding an upstart job?

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• Best exception handling practices or recommendations?

  - by user828584

  I think the two main problems with my programs are my code structure/organization and my error handling. I'm reading Code Complete 2, but I need something to read for working with potential problems. For example, on a website, if something can only happen if the user tampers with data via javascript, do you write for that? Also, when do you not catch errors? When you write a class that expects a string and an int as input, and they aren't a string and int, do you check for that, or do you let it bubble up to the calling method that passed incorrect parameters? I know this is a broad topic that can't be answered in a single answer here, so what I'm looking for is a book or resource that's commonly accepted as teaching proper exception handling practice.

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• What version of Java should I target for applets?

  - by Christopher Horenstein

  I recently deployed an applet that seems to require Java 6 Update 24. I assume the reason for this requirement is the matching JDK version I used to create the applet (I am new to Java). The fact that my applet requires a Java download/update for users who already have some version of Java installed is a big concern for me; the applets I'm creating slip into a web comic, so it's very disruptive. Having used the most recent version of Java, it seems as though I am able to assume that most of the readers I get will have to update Java to continue reading/playing. Is there a best practice concerning which version of Java to use to make the process of using an applet easy for end-users? Any reading material on this would be very helpful. Should I be using an older version of Java if I don't require new features? I am using Slick for 2D games.

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• How important is Programming for a Level Designer?

  - by WryGrin

  I'm currently attending school in a Level Design program, and I was wondering how important programming really is in being a Level Designer? I'm apparently incapable of learning programming (despite my best efforts), and tend to do very well in all other courses 3D modelling, story/character design, narrative and dialogue writing, environmental and conceptual design etc. I'm wondering if my strengths in the other areas are enough (with practice) to let me become a Level Designer, or I'm wasting my time if I can't program? I really want to be a Designer, but I just can't seem to wrap my head around the "language" of programming in general (Java kicks my teeth in even with tutoring and additional work on my own).

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