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• How to sell logistical procedures that require less time to perform but more finesse?

  - by foampile

  I am working with a group where part of the responsibilities is managing a certain set of configuration files which, of course, have the same skeleton/structure across different environments but different values (like server, user, this setting, that setting etc.). Pretty classic scenario... The problem is that everyone just goes and modifies final, environment-specific files and basically repeats the work for every environment. Personally, I am offended to have to peform repeatable, mundane tasks in this day and age when we have technologies to automate it all. So I devised a very simple procedure of abstracting the files into templates, stubbing env-specific values with parameters and then wrote a simple Perl script that, given a template and an environment matrix with env-specific values for each param, produces the final file. So this is nothing special, cutting-edge or revolutionary -- I am pretty sure that 20 years ago efficient places did their CM like that. However, that requires that changes are made at the template level and then distributed across different environments using the script and not making changes in the final environment-specific files. This is where I am encountering resentment as they feel "comfortable" doing it their old, manual, repeated labor way. Personally, I don't have a problem with them working hard rather than smart but the problem is when I have to build on top of someone else's changes, I have to merge their changes into my template from a specific file, which takes time and is grueling. So my question is how to go about selling my method, which makes it so much faster in an environment that is resentful to change and where most things have to be done at the level of the least competent team member?

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• How important is a big-name school for fresh grads?

  - by Fishtoaster

  How important, if at all, is what school you go to towards your job prospects coming out of college? That is, how much difference is there between how a graduate of MIT/Stanford/etc treated vs RIT vs Monroe Community College vs Joe's Discount Diploma shop? I'm asking specifically outside of the education itself, and more towards the perceived value of your degree to prospective employers. What do you think?

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• Can a candidate be judged by asking to write a complex program on "paper"?

  - by iammilind

  Sometime back in an interview, I was asked to write following program: In a keypad of a mobile phone, there is a mapping between number and characters. e.g. 0 & 1 corresponds to nothing; 2 corresponds to 'a','b','c'; 3 corresponds to 'd','e','f'; ...; 9 corresponds to 'w','x','y','z'. User should input any number (e.g. 23, 389423, 927348923747293) and I should store all the combinations of these character mapping into some data structure. For example, if user enters "23" then possible character combinations are: ad, ae, af, bd, be, bf, cd, ce, cf or if user enters, "4676972" then it can be, gmpmwpa, gmpmwpb, ..., hnroxrc, ..., iosozrc Interviewer told that people have written code for this within 20-30 mins!! Also he insisted I have to write on paper. If I am writing a code then my tendency is as of I am writing production code, even though it may not be expected from me. So, I always try to think all the aspects like, optimization, readability, maintainability, extensible and so on. Considering all these, I felt that I should be writing on PC and it needs decent 2 hours. Finally after 25 mins, I was able to come up with just the concept and some shattered pieces of code (not to mention of my rejection). My question is not the answer for the above program. I want to know that is this a right way to judge the caliber of a person ? Am I wrong / too slow in the estimates ? Am I too idealistic ?

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• How important is to sacrifice your free time for accomplishing goals? [closed]

  - by Darf Zon

  I was reading a book about XP programming and about agile teams. While I was reading, I saw this scenario. I've never worked with a development team (just in school). So I would like what do you opine on this situation: Your boss has asked you to deliver software in a time that can only be possible to meet the project team asking if you want to work overtime without pay. All team members have young children. Discuss whether it should accept this request from your boss or should persuade the team to give their time to the organization rather than their families. What could be significant factors in the decision? As a programmer, you are offered an upgrade as project manager, but his feeling is that you can have a more effective contribution in a technical role in one administrative. Write when you should accept that promotion. Somethimes, I sacrifice my free time for accomplishing hits at work, so it's very important to me to know your opinion base of your experience.

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• How to examine the speed of your code results?

  - by Goma

  Hi. Whatever was your choice PHP, ASP.NET, Ruby On Rails or even JSP. You know that you can develop a website to give a specific result or to do some tasks in many ways. I mean you can change your code to make it shorter (or for any other reason) but to give the same result. In this case how do you test which code was faster to excute so you choose it to make your website faster? I mean do you have any tools or ideas in how to test the time of execution for your code and compare it with time of execution after you do some edit?

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• Execute a Managed bean from a JSF view in WEB-INF folder

  - by JonathanVila

  We are initiating in Spring + Primefaces development and the first problem we have encountered is about storing the xhtml pages into the WEB-INF folder. When we use a faces form in a view located inside the WEB-INF folder, then the commandButton does not execute the managed bean method. Our bean : In fact we think the problem is that with JSF , the pages are rendered using a link to the same page as the action of the form, so if the page is located in WEB-INF it is not public accessible. We know that having all our xhtml views in the web folder instead of WEB-INF actually solves the issue, but we would like to store that pages into WEB-INF. Thank you.

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• Are forks are treated differently by GitHub?

  - by IQAndreas

  I found that GitHub does not allow you to use the "search" feature on forks (issues are still searchable, just not code). [screenshot] Are there any other cases where forks are treated as "inferior" or at least differently by GitHub? For instance, (assuming you haven't created a website specific to your fork), will forks still show up in Google search results, or will GitHub only provide results for the parent repository?

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• How successful is GPL in reaching its goals?

  - by StasM

  There are, broadly, two types of FOSS licenses when it relates to commercial usage of the code - let's say the GPL-type and the BSD-type. The first is, broadly, restrictive about commercial usage (by usage I also mean modification and redistribution, as well as creating derived works, etc.) of the code under the license, and the second is much more permissive. As I understand, the idea behind GPL-type licenses is to encourage people to abandon the proprietary software model and instead convert to the FOSS code, and the license is the instrument to entice them to do so - i.e. "you can use this nice software, but only if you agree to come to our camp and play by our rules". What I want to ask is - was this strategy successful so far? I.e. are there any major achievements in the form of some big project going from closed to open because of GPL or some software being developed in the open only because GPL made it so? How big is the impact of this strategy - compared, say, to the world where everybody would have BSD-type licenses or release all open-source code under public domain? Note that I am not asking if FOSS model is successful - this is beyond question. What I am asking is if the specific way of enticing people to convert from proprietary to FOSS used by GPL-type and not used by BSD-type licenses was successful. I also don't ask about the merits of GPL itself as the license - just about the fact of its effectiveness.

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• Why isn't LISP more widespread?

  - by Andrea

  I am starting to learn Scheme by the SICP videos, and I would like to move to Common Lisp next. The language seems very interesting, and most of the people writings books on it advocate that it has unequalled expressive power. CL seems to have a decent standard library. Why is not Lisp more widespread? If it is really that powerful, people should be using it all over, but instead it is nearly impossible to find, say, Lisp job advertisements. I hope it is not just the parenthesis, as they are not a great problem after a little while.

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• Final Year Project Advice: what impact on my CV [closed]

  - by Devon Smith

  I am being offered - as a final year project - to do a Company Website. This is basically an out-house project and I am not completely sure whether I should take it. The requirements are : Company Information User Registration Order placements. The technologies that I should use are PHP, Javascript, HTML, CSS and maybe Java Servlets. This appears to me a very basic project and I need an opinion as to what effect it might have on my CV. Is it worth to do it? Or should I go into some research project or something that has not been done before?

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• Arguments for or against using Try/Catch as logical operators

  - by James P. Wright

  I just discovered some lovely code in our companies app that uses Try-Catch blocks as logical operators. Meaning, "do some code, if that throws this error, do this code, but if that throws this error do this 3rd thing instead". It uses "Finally" as the "else" statement it appears. I know that this is wrong inherently, but before I go picking a fight I was hoping for some well thought out arguments. And hey, if you have arguments FOR the use of Try-Catch in this manner, please do tell. EDIT For any who are wondering, the language is C# and the code in question is about 30+ lines and is looking for specific exceptions, it is not handling ALL exceptions.

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• Software engineering project idea feedback [on hold]

  - by Chris Sewell

  I'm a third year student currently undergoing my project/dissertation section of my degree. I have drafted a proposal for my final year project and would appreciate any feedback. The feedback can be anything constructive either specific to this proposal, the area that I will be working and researching in or my ideas. I will accept all input. Aims My aim is to attempt a proof of concept and prototype a runtime-as-a-service (RaaS). This cloud based runtime will allow clients to dynamically offload tasks or create cloud applications. Currently software-as-a-service (SaaS) cloud applications are purpose built and have a predefined scope in which they can assist or serve the client; this scope cannot be changed without physical alteration to the client and server software. With RaaS the client potentially could define any task it wanted at any time depending on its environment variables, the client and server would then communicate parameters and returns for that task. For the client to utilize a RaaS it must be able to conceive and then define a task using an appropriate XML vocabulary. As the scope of the cloud solution is defined by the client at its runtime, the cloud solution only has to exist for as long as the client requires it to as opposed to a client using a dedicated service. Deliverables The crux of the project will require an XML vocabulary in which the client and server will communicate. I’ll prototype the server application that will dynamically create and manage cloud solutions. The solution will be coded using an interpreted language, such as python or javascript, which can evaluate expressions in runtime or a language that can dynamically compile such as C# or Java. As a further proof of concept I will also produce a mock client that offloads tasks to the server. The report will attempt to explain the different flavours of cloud computing solutions including infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS) and SaaS including real world examples and where the use of a RaaS could have improved the overall example solution. Disclaimer: I'm not requesting stakeholders in my project nor am I delegating work. Any materials other than feedback, advice or directions will not be utilized.

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• Is it costly to leave the Console and Script features enabled in Firebug?

  - by parisminton

  For some time now, I've run Firebug constantly enabled to do quick DOM inspections, leaving the Console and Script panels disabled. I'm just starting to use these two features so I don't have to keep using alerts for testing and debugging. I enable them while I use them and turn them back off when I'm done. I'd like to know if these particular features can slow things down such that they shouldn't be left on round-the-clock. Like do they slow down page loads, use inordinate chunks of memory or something? I don't see anything about it in the Firebug wiki.

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• Do you tend to write your own name or your company name in your code?

  - by Connell Watkins

  I've been working on various projects at home and at work, and over the years I've developed two main APIs that I use in almost all AJAX based websites. I've compiled both of these into DLLs and called the namespaces Connell.Database and Connell.Json. My boss recently saw these namespaces in a software documentation for a project for the company and said I shouldn't be using my own name in the code. (But it's my code!) One thing to bear in mind is that we're not a software company. We're an IT support company, and I'm the only full-time software developer here, so there's not really any procedures on how we should write software in the company. Another thing to bear in mind is that I do intend on one day releasing these DLLs as open-source projects. How do other developers group their namespaces within their company? Does anyone use the same class libraries in personal and in work projects? Also does this work the other way round? If I write a class library entirely at work, who owns that code? If I've seen the library through from start to finish, designed it and programmed it. Can I use that for another project at home? Thanks, Update I've spoken to my boss about this issue and he agrees that they're my objects and he's fine for me to open-source them. Before this conversation I started changing the objects anyway, which was actually quite productive and the code now suits this specific project more-so than it did previously. But thank you to everyone involved for a very interesting debate. I hope all this text isn't wasted and someone learns from it. I certainly did. Cheers,

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• Refactoring obscurely commented code

  - by wraith808

  In refactoring code, I came across code that had comments. Looking closer at the comments, I could see that the code was clearly not doing what the comments said. Without access to the coder nor documentation, and without clear direction regarding the code (i.e. defects as to the fact that the code is operating incorrectly), is the best practice to assume that the code is correct, and clean up the comments?

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• Hover alternatve for touch devices [migrated]

  - by Joshua Frank

  I'm building a standard infographic where you mouse over a region and the image changes as you move. For instance, imagine a map of the world, and when you mouse over a country, that country glows and a panel shows statistics about that country. The implementation is to have a separate image for the glowing country, and a div element with the statistics, and the code shows these additional elements on a hover over the country. The question is: what should this do on a tablet, where there's no hover event? What's a good alternative navigation metaphor for this kind of situation on touch-only devices?

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• Terms for different types of development

  - by stjowa

  I'm working on a resume and I'm trying to figure out the right terminology for the different types of software development. Right now, the only development term I know is 'web development.' But, I've also done a lot of Java and C# development for applications on the desktop. Obviously, this isn't web development; but, I'd like to be able to group these under a single term that is known within the community (it's a resume). Would the term for applications on the desktop be 'desktop development'?

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• Why do HDFS clusters have only a single NameNode?

  - by grautur

  I'm trying to understand better how Hadoop works, and I'm reading The NameNode is a Single Point of Failure for the HDFS Cluster. HDFS is not currently a High Availability system. When the NameNode goes down, the file system goes offline. There is an optional SecondaryNameNode that can be hosted on a separate machine. It only creates checkpoints of the namespace by merging the edits file into the fsimage file and does not provide any real redundancy. Hadoop 0.21+ has a BackupNameNode that is part of a plan to have an HA name service, but it needs active contributions from the people who want it (i.e. you) to make it Highly Available. from http://wiki.apache.org/hadoop/NameNode So why is the NameNode a single point of failure? What is bad or difficult about having a complete duplicate of the NameNode running as well?

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• What to answer to a customer who asks which one of two equivalent technologies must be used?

  - by MainMa

  As a freelancer, I am often asked by my customers what they must choose between similar elements, neither of which being better than another. Examples: “Do I need my e-commerce website be in PHP or ASP.NET?” “Do I need to host this ordinary web service in Cloud or use an ordinary hosting service?” “Which one is better for my new website: MySQL or Oracle?” etc. There is maybe at most 1% of cases where the choice is relevant, and there is a real, objective reason to use one over another, based on the precise metrics and studies. In all other cases, it doesn't matter at all. It is totally, completely irrelevant, either because there are no implications¹, or because those implications are too small to be taken in account², or, finally, because it's impossible to predict those implications³. If you know one thing and not another one, the answer to those questions is easy: “You can either write the application in C# or Java, both being probably equivalent in your case. Note that I'm a C# developer, so if you choose Java, I would not be able to work on your project and you would need to find another freelancer.” When you know both technologies, you can't answer that. In this case, how to explain to the customer that the question he asks is subject to flamewar and has no real consequences on his project? In other words, how to explain that you've chosen to use one technology rather than an equivalent one for the reasons related to human resources, without giving the impression to be unprofessional or to not care about the project? ¹ Example: Is MySQL better (worse?), performance-wise, compared to Oracle, for a personal website which will be accessed by, oh, let's be optimistic, two people per day? ² Example: for a given project, I was asked to asset if Windows Azure hosting would be cheaper than the hosting of the same application on a well-known ASP.NET hosting provider. The cost revealed to be exactly the same. ³ Example: your customer have an idea of a future application (the idea itself being extremely vague). There is no business plan, no requirements, nothing at all. Just an idea. You are asked if Java is better than C# for this app. What do you answer?

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• Is PluralSight worth the cost [closed]

  - by B Woods

  I am an looking at a few different supplemental learning courses to help me beef up my skills but unsure which one to use. I am interested in PluralSight because I work for the government and they use all Microsoft technologies for the most part. I like the courses on PluralSight but the price tag is pretty hefty. I am not sure how good the courses are because I cannot view the ones I want so I am a tad bit skeptical. I am sure some of you have PluralSight, do you think its a good investment for your learning or should I just stick with books/internet? Any suggestions?

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• How were some language communities (eg, Ruby and Python) able to prevent fragmentation while others (eg, Lisp or ML) were not?

  - by chrisaycock

  The term "Lisp" (or "Lisp-like") is an umbrella for lots of different languages, such as Common Lisp, Scheme, and Arc. There is similar fragmentation is other language communities, like in ML. However, Ruby and Python have both managed to avoid this fate, where innovation occurred more on the implementation (like PyPy or YARV) instead of making changes to the language itself. Did the Ruby and Python communities do something special to prevent language fragmentation?

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• use of Enum with flags in practice?

  - by user576510

  I just have read some stuff on enum today. Use of flags with enum was something interesting and new for me. But often practice and theoretical uses are different. I go through many articles they examples they quoted were good to get the concept but am still wondering in what situations one can use Enums with flag to store multiple values? Will highly appreciate if you please can share your practical experience of using enum with flags.

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• Does Agile (scrum) require one server environment?

  - by Matt W

  Is it necessary/recommend/best practice/any other positive to use only one server environment to perform all development, unit testing and QA? If so, is it then wise/part of Agile to then have only one staging environment before Live? Considering that this could mean internationally distributed teams of developers and testers in different time zones is this wise? This is something being implemented by our QA manager. The opinion put forward is that doing all the dev and testing on a single server is "Agile." The staging environment would be a second environment, and then live.

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• Is realtime validation of username good or bad?

  - by iamserious

  I have a simple form for the user to sign up to my site; with email, username and password fields. We are now trying to implement an ajax validation so the user doesn't have to post the form to find out if the username is already taken. I can do this either on keyup event or on text blur event. My question is, which of these is really the best way to do? Keyup From the user POV, it would be good if the validation is done as and when they are typing, (on key up event) - of course, I am waiting for half a second to see if the user stops typing before firing off the request, and user can make any adjustments immediately. But this means I am sending way more requests than if I validated the username on Blur event. Blur The number of requests will be much lower when the validation is done on blur event, But this means the user has to actually go away from the textbox, look at the validation result, and if necessary go back to it to make any changes and repeat the whole process until he gets it right. I had a quick look at google, tumblr, twitter and no one actually does username validations on keyup events, (heck, tubmlr waits for the form to be posted) but I can swear I have seen keyup validations in a lot of places too. So, coming back to the question, will keyup validations be too many for server, is it an unnecessary overhead? or is it worth taking these hits to give user a better experience? ps: all my regex validations etc are already done on javascript and only when it passes all these other criteria does it send a request to server to check if a username already exists. (And the server is doing a select count(1) from user where username = '' - nothing substantial, but still enough to occupy some resource) pps: I'm on asp.net, MS SQL stack., if that matters.

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• Learning the basics

  - by Kevin

  I am a Linux server administrator first and foremost... Having said that, I have been asked by a former high school teacher of mine to teach students a bit about programming. Like any Linux administrator, I know my fair share of Python and Bash. The problem is that I know NOTHING about the lower level stuff like "machine code" and compilation. The main purpose of this series is to teach programming, not computer science, so I don't need a graduate degree's level of knowledge for this, they will be learning Python first and foremost. However, I would like to learn enough to at least broach the subject with them, any ideas where I can learn that kind of stuff relatively quickly?

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