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• As a Junior Software Engineer should I say that something has been done wrong if I feel so?

  - by Why123

  I recently joined a company and it is my first job. When reading the code base, I felt that the code was not well written. It seemed to me that the code had most of the problems mentioned here and also seemed to have an Anemic Domain Model. There are no unit tests and they don't employ any code quality checking tools like findbugs or pmd. The problem I have is that the code is very difficult to understand. Maybe my conclusions are wrong because I am not that experienced. I need advice on whether to communicate the above facts to a superior or not. If I am to communicate, to whom(Tech Lead, Architect, Product Manager) and how? And if I do communicate will they take it badly since I'm a Junior and has no experience?

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• Simple 3D Physics engine as a part of graduation project [on hold]

  - by Eugene Kolesnikov

  I am working on my graduation project and one part of it is to simulate the motion of a rigid body in 3D space. I can use either already written physics engine or to write it myself. It's quite an interesting challenge for me, so I would like to do it myself. I am able to use either C++ or Java for programming (prefer C++). I am using Mac OS X and Debian 7. Could you suggest any guides or tutorials how to do it, can't find it anywhere... More precisely, I need a very simple engine, without collision detection, and many other things that I do not know, I just need to calculate the forces and move my body, depending on the resultant force. If you think that this task is still very difficult or there is no such tutorial, please suggest me some good and simple engine.

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• Approaching SICP in Clojure instead of Scheme

  - by ironicaldiction

  I am a third year bachelor student in a software engineering program, and I brought up the idea of reading SICP to an adviser to gain a deeper and more fundamental understanding of the principles behind all this software we engineer. He suggested not to learn Scheme to complete the book (because it's not as common as modern dialects of Lisp) but to do the exercises in Clojure instead. It's an already difficult book, if I do attempt the book's exercises in the more modern Clojure, how would that work? For example, I can't find any real solutions, the syntax they teach for Scheme is different, etc.

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• Tree position terminology/naming

  - by wst

  This is a naming things question. I am processing trees (XML documents), and there are often special rules applied to nodes based on structure. It's been very difficult coming up with concise naming conventions for some cases, namely for nodes in the first position among their siblings, along with some recursive relationship: Given an arbitrary node, I want to describe its first child, and then that node's first child, and so on recursively. Given another arbitrary node, I want to describe its parent if the parent is first among its siblings, and that parent's parent if it's first, and so on recursively. Is there existing terminology to describe these tree positions? How would you name a variable or function that captures one of these cases so that it's intuitive to an unfamiliar developer trying to understand an algorithm?

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• Chargeback and billing across public and private clouds

  - by llaszews

  Had a great conversation today regarding the need for metering, chargeback, and billing of cloud computing resources. The person I spoken with at a Fortune 1000 company increased the scope and magnitude of the issue of billing for cloud computing resources beyond what I had previously considered. I believed that doing any type of chargeback and billing for one public, private or hybrid installation was difficult. This person pointed out that the problem is even bigger in scope. The reality is many companies are using multiple public cloud vendors and have many different private cloud data centers. A customer may use AWS for some smaller public cloud applications, Salesforce.com (SaaS), Rackspace for IaaS, Savvis for colocation and a variety of Iaas and PaaS implementations for the private cloud. How does a company get a consolidated bill for all these different cloud environments? I am not sure their is an answer right now.

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• Serious Forum Design Issue

  - by John

  I want to launch a school forum for a country. I'm in dilemma as to how to design this forum. Country will have many states, each state will have cities, each city will have many schools. Each school will have many classes( 1st - 12th). It looks like this: States - Cities - Schools - Classes I want to make each class as forum. Now the biggest problems are two fold: If I were to list even 1000 schools it will create huge number of forums and I don't think forum softwares(PHPBB, MyBB) are designed to support these many Secondly creating and maintaining huge forums is also very difficult. Ideally I'd like to duplicate existing forum hierarchy to new one. I've done lot of search and I've found that such type of forums are infeasible and such designs don't work. Leave alone the fact the nobody uses such a forum. Keeping in mind this, how should I go about designing this forum?

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• What web hosts support multi-domain SSL?

  - by Bryan Hadaway

  For Consideration - Please do not close or refer this question to: How to find web hosting that meets my requirements? The above link does not refer to SSL certificates in any manner. This question has a very specific objective of listing known web hosts that support this new SSL technology. If I'm not mistaken, multi-domain (not wildcard) SSL is a relatively new technology that is not hugely supported or well-known/advertised yet? I'm having a difficult time discovering which web hosts support the technology (again because it's not popular enough yet to advertise on feature lists). Here is what I've discovered so far: Web Hosts That DO NOT Support Multi-domain SSL BlueHost/HostMonster DreamHost Web Hosts That DO Support Multi-domain SSL FireHost HostGator Please note that SUPPORT doesn't necessarily mean they offer the SSL certs themselves and you may need to purchase separately.

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• Top 10 Transact-SQL Statements a SQL Server DBA Should Know

  Microsoft SQL Server is a feature rich database management system product, with an enormous number of T-SQL commands. With each feature supporting its own list of commands, it can be difficult to remember them all. MAK shares his top 10 T-SQL statements that a DBA should know. Join SQL Backup’s 35,000+ customers to compress and strengthen your backups "SQL Backup will be a REAL boost to any DBA lucky enough to use it." Jonathan Allen. Download a free trial now.

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• How do you forcibly unmount a disk when you press the eject button on an optical drive?

  - by Michael Curran

  When upgrading my hardware, I also upgraded to Ubuntu 10.10. On my previous system (with 10.04 and earlier) when I ejected a disk from the optical drive, the subfolder in the /media directory was automatically removed. In my new 10.10 system, if I don't eject the disk using the "eject" command within the system, the disk remains mounted, even after a new disk is installed. The new drive is a Blu Ray drive, but I haven't noticed any other problems from it. Normally, this isn't a problem, but it makes installing applications that are spread over multiple CDs more difficult in many cases (i.e. Wine). Any advice?

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• How do I set my environment up for TopCoder?

  - by Nils

  I tried out TopCoder today. While I liked the problem, the Java editor didn't work for me. The remote compiling time and the lack of unit tests also made it difficult to complete the task. I ended up coding the solution in Eclipse and the pasting it into the TopCoder window. I tried out EclipseCoder, but it didn't suit my needs either. What tools do you use and how do you hook up your development environment with TopCoder? How does TopCoder handle submissions, and is there any way to speed up the time it takes to process them?

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• bad practice to create a print friendly page to remove the use of pdfs?

  - by Phil

  the company I work for has a one page invoice that uses the library tcpdf. they wanted to do some design changes that I found are just incredibly difficult for setting up in .pdf format. using html/css I could easily create the page and have it print very nicely, but I have a feeling that I am over looking something. is it a good practice to set up a page just for printing? and if not, is it at least better than putting out a ugly .pdf? I could also use the CSS inline so that if they wanted to download it and open it they could.

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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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• The perfect RDP experience from Mac to Windows

  - by Sahil Malik

  SharePoint, WCF and Azure Trainings: more information For the reasons I mentioned in my keyboard remapping blog post, I live in a Mac+PC world. This means, I find myself frequently RDP’ing to Windows Machines from my Mac. And yes, that Metro UI on RDP is even more frustrating than it is without RDP. Mac is a different OS than Windows (duh!), and the way it handles multiple screens and spaces is entirely different from windows. This means, RDP experiences are tough to make 100% seamless. You can see the frustrations in the various reviews on the Microsoft RDP app on the Mac app store. It can be difficult to find the perfect settings for the perfect user experience. Well, here they are - Read full article ....

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• Simplicity-efficiency tradeoff

  - by sarepta

  The CTO called to inform me of a new project and in the process told me that my code is weird. He explained that my colleagues find it difficult to understand due to the overly complex, often new concepts and technologies used, which they are not familiar with. He asked me to maintain a simple code base and to think of the others that will inherit my changes. I've put considerable time into mastering LINQ and thread-safe coding. However, others don't seem to care nor are impressed by anything other than their paycheck. Do I have to keep it simple (stupid), just because others are not familiar with best practices and efficient coding? Or should I continue to do what I find best and write code my way?

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• Which is easier to learn, Zend Framework, CakePHP or CodeIgniter?

  - by Kwame Boame

  I am new to programming but I know HTML, CSS and Jquery. I am a web designer but want to expand my skill to application development with frameworks. Specifically, PHP frameworks. I want to know which of the frameworks mentioned in the question is difficult to master. Also, my friend wants me to learn Ruby on Rails/ Python instead of PHP. What's your best advice for a newbie programmer who is looking to build online software/apps in the near future; say, after 3 months/6 months or a year of study and practice?

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• What's your worst open source experience?

  - by Fanatic23

  I recently tried downloading a pretty popular open source project [its got 10+ tags of different kinds on SO] which in turn depends on another open source project. The 2 projects built fine, but when it came to linking these 2 with my final executable there are like loads of missing symbols. No mention of which version of project 1 is compatible with project 2 etc. What's been your's most difficult open source experience? Mind you, I am all for open source but documentation and examples seem to be a key missing area.

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• What are the most important languages to localize for on the App Store?

  - by Kevin Y

  It's obvious that to gain more customers on any given platform, one of the most important steps to take would be to localize your software into many languages: as many as possible, ideally. However, with independently developed apps, it tends to be difficult to localize into many different languages, due to not having the budget and / or time to do so. My question is if I were to localize my apps into languages other than English on the iOS App Store, which languages should I prioritize? (Maybe the top three or four most important.) (Also, let's pretend this is a generic app that won't cater more to one language demographic than another.)

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• What are common patterns for handling possible pluralization in message properties?

  - by C. Ross

  Obviously users like to see text properly pluralized, and pluralization schemes vary in the various written languages one may encounter. When internationalizing an app, what pattern(s) are useful for handling messages with possible pluralization? What about messages with multiple possible pluralization? For example: "N review(s):" One pattern would be reviews.title.singular="{0} review:" reviews.title.singular="{0} reviews:" And this may not support all languages. Or a more complicated case: "Found M question(s) with N comment(s)." This would be difficult to support in English?

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• How was 20Q made?

  - by Dan the Man

  Ever since I was a kid, I've wondered how they made the 20Q electronic game. In this game, which is it's on device, you think of an object, thing, or animal (e.g. a potato or a donkey), once you mentally choose your thing, the device goes through a series of questions such as: Is it larger than a loaf of bread? Is it found outdoors? Is it used for recreation? For each of the questions you can answer yes, no, maybe, or unknown. The way I've always thought of it to work was with immense, nested conditionals (if statements). But, I don't think that would be very likely as it would be terribly difficult to understand while coding it. I'm not looking for a discussion as SE doesn't allow it; I'm looking for concrete knowledge or solutions.

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• Testing To Prevent Cascading Bugs

  - by jfrankcarr

  Yesterday, Twitter was hit with a "Cascading Bug" as described in this blog post: A “cascading bug” is a bug with an effect that isn’t confined to a particular software element, but rather its effect “cascades” into other elements as well. I've seen this kind of bug, on a smaller scale of course, on some projects I've worked on. They can be difficult to identify in dev/test environments, even within a test driven development environment. My questions are... What are some strategies you use, beyond the basic TDD and standard regression testing, to identify and prevent the potential trouble points that might only occur in the production environment? Does the presence of such problems indicate a breakdown in the software development process or simply a by-product of complex software systems?

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• Project Management Tool for developers and sysadmins: shared or separate?

  - by David

  Should a team of system administrators who are on a software development project share a project management tool with the developers or use their own separate one? We use Trac and I see the benefit in sharing since inter-team tasks can be maintained by a single system where there may be cross-over or misfiled bugs (e.g. an apparent bug which turns out to be a server configuration issue or a development cycle which needs a server to be configured before it can start) However sharing could be difficult since many system administration tasks don't coincide with a single development milestone if at all. So should a system administration team use a separate PM Tool or share the same one with the developers? If they should share, then how?

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• Photo Gallery Software - reads from a local directory - watches folder- user and group permissions

  - by Darkflare

  Use Case: Photos are organised in a folder structure by date (by software lightroom/picasa) Want to run a local webserver to host a web gallery from (already know how to run lamp etc) I want to be able to attach metadata to the photos (probably through a database not residing in the photos folder) such that they can be tagged/categoried/albumed without affecting the original photos I want to be able to assign permissions to different albums to set users I want the software to watch the photo source folder for changes so that new photos are indexed ready for applying metadata and albums. I'd like the software to handle the rendering of numerous file types (photo formats) as well as video formatts I am language agnostic so php/python heck even c#, just want software that forfills the requirements. The main reason I am asking this question here as I am unsure what this software would even be called so google searching is quite difficult! Thanks for reading.

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• Software/Application needed to store and organize random content [on hold]

  - by Rami.Shareef

  I have the need to store random contents (on my local hard drive/ laptop hard drive) for personal use so I can look these contents up later on when I need them. What I mean by random content is one of the following: Some sort of code Random fact Css / html / Javascript tips Or anything I might find interesting and want to keep for future reference I want to look up these entries by tags, the software should give me the ability to associate every entry with one tag or more. I have been having difficult time find applications offer this functionality, it is like a local database with search ability and easy data-entry methods. I can build one, but I don't have the time to invest in doing so. Can you refer me to any application/software that can do that, it would be great. It does not matter if it is paid or free.

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• Trust

  - by mprove

  I sense traffic of this blog w/o a present reason. Hmm. What about this,  brief musings about trust: Each software, each website, each social platform, each community building effort is a matter of trust building. You make a social promise to continue the effort, and to care for the commitment of the users or community members. It is easy to offer more to your community. On the other hand, it is quite difficult or impossible to take something away, or to close down or end the product or community without disappointing someone. cheers,Matthias

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• Pros and cons of creating a print friendly page to remove the use of pdfs?

  - by Phil

  the company I work for has a one page invoice that uses the library tcpdf. they wanted to do some design changes that I found are just incredibly difficult for setting up in .pdf format. Using html/css I could easily create the page and have it print very nicely, but I have a feeling that I am over looking something. What are the pros and cons of setting up a page just for printing? What are the pros and cons of putting out a .pdf? I could also use the CSS inline so that if they wanted to download it and open it they could.

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