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• How to tell your boss that his programming style is really bad?

  - by Roflcoptr

  I'm a student and in my spare time I'm working for a big enterprise as Java developer. The job is good, but the problem is, my boss is writing very strange code. I don't want to complain, but some issues are in my opinion really strange. For example: he doesn't know any booleans. All boolean conditions are Strings called "YesOrNo" and then in the condition he uses if (YesOrNo == "Yes") there are a lot of very strange characters in method names and variables like é õ ô or è all loops are infinite loops in the style of for(;;). Then at the end of the loop the condition is tested and if the conditions is fulfilled break; is called. I don't now if I should tell him that I think this isn't a good practice, since he is my boss and decides how and what to do. On the other hand some of this examples are really very weird. Any hints how to cope with? And is this only me who thinks that's bad style?

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• Expanding existing DVCS Wiki

  - by A Lion

  A portion of my job is to maintain technical documentation for a rapidly expanding manufacturing company. Because it is only a portion of my job and the company's product line is expanding so quickly, I can't stay on top of the documentation. As a result, I've been yearning for an information management system with a handful of specific features. I've found many products that have a subset, but none that have all the features I'm looking for. I'm at the point of picking an existing product and expanding it to cover my desired feature set, however, this will be a pet project and I will be learning the underlying language as I go. So, the main question is which existing product will be the easiest to expand to cover the full feature set and has a relatively easy to learn language? Alternatively, have I missed another existing program that will cover the feature set or should be in my list of "close, but not quite there"? Feature Set web interface based on a distributed version control system (e.g., git) easy to edit by logged in novices (e.g. wiki, multimarkdown) outputs in more traditional formats (e.g., doc, odt, pdf) edits held in queue until editor/engineer/manager approves them (e.g., MS Word editing) [this is the really big elephant in list - suggestions on where to start appreciated] edits held in queue specifically for engineer approval [extra limb of the elephant in the list] well-supported in the open source community Closest, but not quite there ikiwiki - http://ikiwiki.info (php) lots of awesome functionality and extensions, including easy to edit and based on DVCS lacks a review/forward for review queue appears to be well-supported within the OSS community gitit - http://gitit.net/ (haskell) easy to edit and based on DVCS lots of outputs in traditional formats a great web-based gui diff interface lacks a review/forward for review queue appears to be primarily maintained by one individual

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• Migration of PowerBuilder application to multiplatform

  - by Alex Bibiano

  I developed a client/server application with PowerBuilder in the past for medical clinics and done maintenance for it until now. Now, some clients are asking me to develop a release for Mac/Linux and need some advice about what programming language/technology is best suited for it and the learning curve. It’s not a very very big program but I’m the only developer and have done it in my spare time. PowerBuilder is very productive for this kind of projects (database centric), but it’s not multiplatform and it’s hard to sell PowerBuilder application now days (web, .NET, java sells a lot better with his marketing). My programming skills: - I studied C and C++ in the past (university) but never used it on real projects - Have some Java experience but not in desktop applications - Some experience with Ruby on Rails for web projects - Good skills with PowerBuilder and C# (.NET) (there are my main developing languages) My first dilemma is if I change the desktop application to a web interface, but I think the user will lose some user-experience, and some doctors don’t have a clinic (they are alone at home with my software). I think installing a web application (with webserver) for one user will be overwhelming. If I continue developing desktop application, what is at the moment a good framework/toolset to learn having my skills? Somebody has had similar experiences? A lot of thanks

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• NHibernate Tools: Visual NHibernate

  - by Ricardo Peres

  You probably know that I’m a big fan of Slyce Software’s Visual NHibernate. To me, it is the best tool for generating your entities and mappings from an existing database (it also allows you to go the other way, but I honestly have never used it that way). What I like most about it: Great support: folks at Slyce always listen to your suggestions, give you feedback in a timely manner, and I was even lucky enough to have some of my suggestions implemented! The templating engine, which is very powerful, and more user-friendly than, for example, MyGeneration’s; one of the included templates is Sharp Architecture; Advanced model validations: it even warns you about having lazy properties declared in non-lazy entities; Integration with NHibernate Validator and generation of validation rules automatically based on the database, or on user-defined model settings; The designer: they opted for not displaying all entities in a single screen, which I think was a good decision; has support for all inheritance strategies (table per class hierarchy, table per class, table per concrete class); Generation of FluentNHibernate mappings as well as hbm.xml. I could name others, but… why don’t you see for yourself? There is a demo version available for downloading. By the way, I am in no way related to Slyce, I just happen to like their software!

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• Evolution of mainstream programming languages: simplicity versus complexity.

  - by Giorgio

  I had posted this question on http://stackoverflow.com but I was suggested that it may be more appropriate to post it on this forum. I did a quick search on this site and it seems to me that this question has not been asked yet. Please give me a hint if the topic has been raised already by someone else. Update I have rephrased this question, removed personal opinions and made it shorter. I hope in this way it is better suited for this forum. By looking at the recent development of Java (Java 7) and C++ (C++0x) I see that new features are added to these languages. For sure this makes it easier to use certain programming idioms, adding to the productivity of developers. On the other hand, there might be the following risks A language becomes too big, complex, and difficult to understand. It lacks coherence in the design, e.g. if it mixes different paradigms like object-orientation and functional programming, which might not fit well together. Questions: what is more important to you as a developer: to have a rich language that captures a large collection of programming idioms or to have a small language that aims at coherence and simplicity (of course, with a good deal of libraries and tools accompanying it)? Or is it possible to have both? With respect to these issues: How do you judge the current evolutions of main-stream programming languages like Java or C++? Are they becoming too complex, less intuitive? Do they have enough features? Do they need more? Are they still easy enough to understand and use?

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• Analyzing Memory Usage: Java vs C++ Negligible?

  - by Anthony

  How does the memory usage of an integer object written in Java compare\contrast with the memory usage of a integer object written in C++? Is the difference negligible? No difference? A big difference? I'm guessing it's the same because an int is an int regardless of the language (?) The reason why I asked this is because I was reading about the importance of knowing when a program's memory requirements will prevent the programmer from solving a given problem. What fascinated me is the amount of memory required for creating a single Java object. Take for example, an integer object. Correct me if I'm wrong but a Java integer object requires 24 bytes of memory: 4 bytes for its int instance variable 16 bytes of overhead (reference to the object's class, garbage collection info & synchronization info) 4 bytes of padding As another example, a Java array (which is implemented as an object) requires 48+bytes: 24 bytes of header info 16 bytes of object overhead 4 bytes for length 4 bytes for padding plus the memory needed to store the values How do these memory usages compare with the same code written in C++? I used to be oblivious about the memory usage of the C++ and Java programs I wrote, but now that I'm beginning to learn about algorithms, I'm having a greater appreciation for the computer's resources.

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• Many small scripts, one repository or multiple?

  - by The Jug

  A co-worker and myself have run into an issue that we have multiple opinions on. Currently we have a git repository that we are keeping all of our cronjobs in. There are about 20 crons and they are not really related except for the fact that they are all small python scripts and essential for some activity. We are using a fabric.py file to deploy and a requirements.txt file to manage requirements for all of the scripts. Our issue is basically, do we keep all of these scripts in one git repository or should we be separating them out into their own repositories? By keeping them in one repository it is easier to deploy them onto one server. We can use just one cron file for all the scripts. However this feels wrong, as the 20 cronjobs are not logically related. Additionally, when using one requirements.txt file for all the scripts, it's hard to figure out what the dependencies are for a particular script and they all have to use the same versions of packages. We could separate all of the scripts out into their own repositories but this creates 20 different repositories that need to be remembered and dealt with. Most of these scripts are not very large and that solution seems to be overkill. A related question is, do we use one big crontab file for all cronjobs, or a separate file for each? If each has their own, how does one crontab's installation avoid overwriting the other 19? This also seems like a pain as there would then by 20 different cron files to keep track of. In short, our main question and issue is do we keep them all closely bundled as one repository or do we separate them out into their own repository with their own requirements.txt and fabfile.py? We feel like we're also probably looking over some really simple solution. Is there an easier way to deal with this issue?

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• Data Movement and the Decision Matrix

  - by BuckWoody

  Maybe it’s my military background, or maybe I’ve always had this predilection, but I like to use two devices when I need to make a complex decision: A checklist and a decision matrix. I like to use a checklist because it ensures that I remember the big bits of what I need to do, and brings up questions or areas that I didn’t think about when evaluating options for the decision. And the decision matrix – that’s the thing I use to actually lay out those options. It’s simply a spreadsheet-like grid (I use Excel, but paper and pencil works as well) that lays out the requirements or advantages for the decision across the top, and the options I have on the left-hand side. Then in the “cells” I put whether or not that option on the left will meet the requirement in that column. I then simply “weight” each cell to organize the choices by best-fit. The right answer (or answers) will float right to the top. I was asked yesterday about options for moving data in SQL Server to another system. There are just dozens of ways to do this, from bcp to Replication, each with certain advantages and costs. But asking the questions for the top row first helped me show the person that it isn’t a particular technology that is important, it’s laying out those requirements and thinking about which elements are more important than the other. For instance, is it more important to have the data moved all the time, or is it OK if that happens once in a while? Does the data have to move in two directions or just one? All of these will help that answer jump right out. Try it sometime – it’s a great learning exercise, since it will force you to focus on filling out the matrix. The answer is out there, Neo. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Siebel Webinar Series for customers and partners

  - by Richard Lefebvre

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Have you got questions about the Siebel product roadmap?  Or what we are delivering in the areas of Social/Mobile/Big Data/Cloud in a Siebel project context? If yes, then you are welcome to attend the Siebel Webinar Series.  These are monthly webcasts on a variety of topics related to Siebel that are geared towards business users.  The next webinar is November 21st at 8:30 AM PST entitled “Get Social with Siebel”.  You can register here. Once registered, you can also view replays of previous webinars: · Siebel: Solving the Next Generation of Business Challenges · Expand User Experiences with Siebel Open UI · Delight Customers with Siebel Service Applications · Get Mobile with Siebel /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";}

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• 1.5 TB USB Drive failed to mount

  - by user89348

  Seagate 1.5Tb FreeAgent USB Hard Drive. Formatted FAT32. I figure it is 75% full. Used to work fine in XUBUNTU it shows up in Cairo Dock but when I click on it I get "failed to mount drive'. Nautilus does not display the icon nor does Thunar. Windows Vista will no longer recognise drive either. Back Track 5R3 also no longer fails to mount it. BUT and here is the BIG BUT my Pioneer DV-410 reads the files and plays the everything just fine. I believe this all happened after an unclean shutdown / XUbuntu 12.10 system freeze. Why can't XUBUNTU mount this drive when a crappy 13 year old DVD player can mount it. I am desperate to back up the data before just in case the drive becomes completely unreadable. Using XUBUNTU 12.10 Quantal current 3.5.0.17 Kernel (past 3 Kernels wont read it either) and all newest apt-get update / dist-upgrade are applied. I will post any other info you folks request as needed. Additional info as requested by githlar. $ sudo fsck.vfat /dev/sdb dosfsck 3.0.13, 30 Jun 2012, FAT32, LFN Read 512 bytes at 0:Input/output error $ lsusb Bus 001 Device 003: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter Bus 002 Device 002: ID 0bc2:3001 Seagate RSS LLC Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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• EMEA Engineered Systems Partner Update Call&ndash;October 30th 2013

  - by JuergenKress

  EMEA Engineered Systems Partner Update Call: Engineered Systems (Including Exalogic) updates from Oracle OpenWorld on 30th October, 2013 at 15:00 CET (UTC/GMT +1 Hour) We are pleased to invite you to the next Webcast from our Engineered Systems Partner Update Series. This time it will be all around "Engineered Systems updates from Oracle OpenWorld – all the news from Exalogic included" on Wednesday 30th October, 2013 at 15:00 CET (UTC/GMT +1 Hour). One more year, San Francisco hosted the Oracle OpenWorld, in the month of September. Every year, thousands of partners and customers attend this event to discover new products and solutions, improve their technical proficiency and knowledge, learn tips and tricks for currently installed products and understand where the industry is headed. In case you could not make it to San Francisco this time, we want to provide you with the key updates announced at Oracle OpenWorld around Engineered Systems. Please mark your diaries. You can also attend Larry’s keynote around the Oracle Database 12c In-Memory Database and M6 Big Memory Machine and many more on the Oracle OpenWorld On Demand website. Agenda: Overview of latest Engineered Systems including Exalogic and how Oracle Fusion Middleware performs on the machine How to articulate their value to customers Webcast Joining details: To Join the webcast CLICK HERE For audio reception please use the following details: Global Dial-in Numbers Session/Conference ID: 595 534 979 Password: 12385 WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Engineered Systems,Exalogic,OOW,Oracle OpenWorld,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• What is a user-friendly solution to editing email templates with replacement variables?

  - by Daniel Magliola

  I'm working on a system where we rely a lot of "admins / managers" emailing users from the database. One of the key features is being able to email several people at the same time, with specific information relevant to each of them. Another key feature is to be able to hand-craft emails, because it tends to be be necessary to slightly modify them each time, but having a basic template saves a lot of time. For this, we have the typical "templates" solution, where we have a template that looks kind of like this: Hello {{recipient.full_name}}, Your application to {{activity.title}} has been accepted. You have requested to participate on dates {{application.dates}}, in role {{application.role}} Blah blah blah The problem we are having is obviously that (as we expected), managers don't get the whole "variables" idea, and they do things like overwriting them, which doesn't let them email more than one person at a time, assuming those are not going to get replaced and that the system is broken, or even inexplicable things like "Hello {{John}}". The big problem is that this isn't relegated, as usual, to an "admin" section where only a few power users have access to editing the templates that are automatically send out, and they're expected to know what they are doing. Every user of the system gets exposed to this problem. The obvious solution would be to replace the variables before showing this template for the user to edit, but that doesn't work when emailing several people. This seems like a reasonably common problem, and we are kind of hoping that someone has already solved it. Have you seen anywhere/created/can think of good solutions to this problem?

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• Basic procedural generated content works, but how could I do the same in reverse?

  - by andrew

  My 2D world is made up of blocks. At the moment, I create a block and assign it a number between 1 and 4. The number assigned to the nth block is always the same (i.e if the player walks backwards or restarts the game.) and is generated in the function below. As shown here by this animation, the colours represent the number. function generate_data(n) math.randomseed(n) -- resets the random so that the 'random' number for n is always the same math.random() -- fixes lua random bug local no = math.random(4) --print(no, n) return no end Now I want to limit the next block's number - a block of 1 will always have a block 2 after it, while block 2 will either have a block 1,2 or 3 after it, etc. Before, all the blocks data was randomly generated, initially, and then saved. This data was then loaded and used instead of being randomly called. While working this way, I could specify what the next block would be easily and it would be saved for consistency. I have now removed this saving/loading in favour of procedural generation as I realised that save whiles would get very big after travelling. Back to the present. While travelling forward (to the right), it is easy to limit what the next blocks number will be. I can generate it at the same time as the other data. The problem is when travelling backwards (to the left) I can not think of a way to load the previous block so that it is always the same. Does anyone have any ideas on how I could sort this out?

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• Kinect Hacking at Microsoft Developer Days 2012 Bulgaria

  - by Szymon Kobalczyk

  Last week I had a pleasure to speak at the Microsoft’s Developer Days 2012 in Sophia, Bulgaria. It was a great conference and I met lots of cool people there. I did a session about Kinect Hacking. My goal was to give a good understanding of Kinect inner workings, how it can be used to develop Windows applications. Later I showed examples of interesting projects utilizing the full potential the Kinect sensor. Below you can find my slides and source code of one of the demos (the one where “Szymon went to the Moon”). But I wasn’t the only one to talk about Kinect. On the 2nd day Rob Miles also did a fun session titled “Kinect Mayhem: Psychedelic Ghost Cameras, Virtual Mallets, a Kiss Detector and a Head Tapping Game” (you can watch recording of this session from TechDays Netherlands on Channel9). Later that day Yishai Galatzer made a big surprise during his session about Extending WebMatrix, and showed a plugin enabling to take control of WebMatrix with Kinect gestures. Best thing was that he wrote it during the conference, with no previous experience with Kinect SDK (I might helped him a bit to get started). Thanks for the invitation and I hope to see you soon!

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• How can I reduce the amount of time it takes to fully regression test an application ready for release?

  - by DrLazer

  An app I work on is being developed with a modified version of scrum. If you are not familiar with scrum, it's just an alternative approach to a more traditional watefall model, where a series of features are worked on for a set amount of time known as a sprint. The app is written in C# and makes use of WPF. We use Visual C# 2010 Express edition as an IDE. If we work on a sprint and add in a few new features, but do not plan to release until a further sprint is complete, then regression testing is not an issue as such. We just test the new features and give the app a good once over. However, if a release is planned that our customers can download - a full regression test is factored in. In the past this wasn't a big deal, it took 3 or 4 days and the devs simply fix up any bugs found in the regression phase, but now, as the app is getting larger and larger and incorporating more and more features, the regression is spanning out for weeks. I am interested in any methods that people know of or use that can decrease this time. At the moment the only ideas I have are to either start writing Unit Tests, which I have never fully tried out in a commercial environment, or to research the possibilty of any UI Automation API's or tools that would allow me to write a program to perform a series of batch tests. I know literally nothing about the possibilities of UI automation so any information would be valuable. I don't know that much about Unit testing either, how complicated can the tests be? Is it possible to get Unit tests to use the UI? Are there any other methods I should consider? Thanks for reading, and for any advice in advance. Edit: Thanks for the information. Does anybody know of any alternatives to what has been mentioned so far (NUnit, RhinoMocks and CodedUI)?

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• Are there plans for handwriting recognition?

  - by Patrick

  This is a big feature when it comes to putting Ubuntu onto tablets. Currently, Netbook edition works great for that purpose and the pen digitiser is perfect, but the handwriting would be a real dealmaker (especially for my business - we could actually move to Linux) to compete with the Windows one. CellWriter exists, but that only handles character and keyboard input (but I don't know about multitouch on the keyboard). It also needs to handle print and cursive, because character mode can be slow and uncomfortable (unless you're writing passwords). Lastly, CellWriter needs to have some default letter shapes rather than having to be trained from the start. There is a software package called MyScript (by Vision Objects) that handles all four modes (keyboard, character, print, cursive) plus calculator and fullscreen, but it's only free as a trial. Still, it would be nice to see it in the For Purchase section and the trial in the free section of the Software Centre. The only other ones are for Chinese/Japanese/Korean characters. What would really make a difference for us is the integration of some formal API with the OS that can automatically activate when running on a tablet to pass ink data to whatever recognition system is installed, and have something available (however rudimentary) to use it.

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• How to provide value?

  - by Francisco Garcia

  Before I became a consultant all I cared about was becoming a highly skilled programmer. Now I believe that what my clients need is not a great hacker, coder, architect... or whatever. I am more and more convinced every day that there is something of greater value. Everywhere I go I discover practices where I used to roll my eyes in despair. I saw the software industry with pink glasses and laughed or cried at them depending on my mood. I was so convinced everything could be done better. Now I believe that what my clients desperately need is finding a balance between good engineering practices and desperate project execution. Although a great design can make a project cheap to maintain thought many years, usually it is more important to produce quick fast and cheap, just to see if the project can succeed. Before that, it does not really matters that much if the design is cheap to maintain, after that, it might be too late to improve things. They need people who get involved, who do some clandestine improvements into the project without their manager approval/consent/knowledge... because they are never given time for some tasks we all know are important. Not all good things can be done, some of them must come out of freewill, and some of them must be discussed in order to educate colleagues, managers, clients and ourselves. Now my big question is. What exactly are the skills and practices aside from great coding that can provide real value to the economical success of software projects? (and not the software architecture alone)

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• Bounding volume hierarchy - linked nodes (linear model)

  - by teodron

  The scenario A chain of points: (Pi)i=0,N where Pi is linked to its direct neighbours (Pi-1 and Pi+1). The goal: perform efficient collision detection between any two, non-adjacent links: (PiPi+1) vs. (PjPj+1). The question: it's highly recommended in all works treating this subject of collision detection to use a broad phase and to implement it via a bounding volume hierarchy. For a chain made out of Pi nodes, it can look like this: I imagine the big blue sphere to contain all links, the green half of them, the reds a quarter and so on (the picture is not accurate, but it's there to help understand the question). What I do not understand is: How can such a hierarchy speed up computations between segments collision pairs if one has to update it for a deformable linear object such as a chain/wire/etc. each frame? More clearly, what is the actual principle of collision detection broad phases in this particular case/ how can it work when the actual computation of bounding spheres is in itself a time consuming task and has to be done (since the geometry changes) in each frame update? I think I am missing a key point - if we look at the picture where the chain is in a spiral pose, we see that most spheres are already contained within half of others or do intersect them.. it's odd if this is the way it should work.

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• Library Organization in .NET

  - by Greg Ros

  I've written a .NET bitwise operations library as part of my projects (stuff ranging from get MSB set to some more complicated bitwise transformations) and I mean to release it as free software. I'm a bit confused about a design aspect of the library, though. Many of the methods/transformations in the library come with different endianness. A simple example is a getBitAt method that regards index 0 as the least significant bit, or the most significant bit, depending on the version used. In practice, I've found that using separate functions for different endianness results in much more comprehensible and reusable code than assuming all operations are little-endian or something. I'm really stumped regarding how best to package the library. Should I have methods that have LE and BE versions take an enum parameter in their signature, e.g. Endianness.Little, Endianness.Big? Should I have different static classes with identically named methods? such as MSB.GetBit and LSB.GetBit On a much wider note, is there a standard I could use in cases like this? Some guide? Is my design issue trivial? I have a perfectionist bent, and I sometimes get stuck on tricky design issues like this... Note: I've sort of realized I'm using endianness somewhat colloquially to refer to the order/place value of digital component parts (be they bits, bytes, or words) in a larger whole, in any setting. I'm not talking about machine-level endianness or serial transmission endianness. Just about place-value semantics in general. So there isn't a context of targeting different machines/transmission techniques or something.

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• Most effective work habit for coding? [on hold]

  - by Cris

  Working on a big solo project (~15,000 LOC), I am encountering the following phenomenon: I seem to work best when I program in short bursts of 10-15 minutes. Right now I am working on a section which is a complete first time for me architecturally and if I have any architectural issues that emerge when doing the implementation, I seem to be able to best serve these by taking a total break. Then, later, sketching out the ideas on some paper. And when I feel I have sufficient clarity, then going back to code. This iterates until that architectural issue for that section is resolved. This seems quite counter intuitive: that I can progress more quickly by coding less, and taking more breaks. I am nearing the end of the sections which are "first times" for me, and about to dive into stuff which I am much more familiar and am wondering if this counter intuitive efficiency will continue. So my question is: even for regular coding of sections one is familiar with, which don't require constant re-clarification of the best architecture, is more progress to be attained by taking more breaks and coding in bursts?

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• Engineered Systems: Oracle schlägt drei Fliegen mit einer Klappe

  - by A&C Redaktion

  Die News aus dem Partnergeschäft von Oracle sorgen für Schlagzeilen im Magazin ChannelPartner. Über den neuen Fokus auf Engineered Systems und die SMB Appliances heißt es dort, so könne Oracle „drei Fliegen mit einer Klappe schlagen“: Erstens wird früheren Sun Hardware-Resellern der Einstieg ins Software-Geschäft erleichtert, zweitens bieten die Appliances neue Möglichkeiten für den Mittelstand und drittens bekräftigt die Strategie das zweistufige Channel-Modell. Dazu Silvia Kaske, Senior Director Channel Sales & Alliances Oracle Deutschland: "Wir stärken weltweit den Channel, weil das SMB-Geschäft zunehmend anzieht." Neben der durchaus positiven Wertung der Channel-Strategie bietet der Artikel einen anschaulichen Überblich darüber, was Engineered Systems eigentlich sind. Außerdem werden die Einsatzmöglichkeiten (Big Data, Mobile Computing, Cloud etc.) und Angebote von Oracle in diesem Bereich dargestellt und diskutiert. Das Highlight hierbei ist – wen wundert’s – die Oracle Database Appliance. Mit dem Portfolio wächst natürlich auch die Zahl der Spezialisierungen. Logisch, findet Silvia Kaske: "Endkunden erwarten keine Generalisten, sondern Spezialisten. Nur mit einem klaren Fokus wird der Partner erfolgreich sein". Hier geht’s zum vollständigen CP-Artikel unter dem Titel „Oracle lockt Channel mit SMB-Appliances“.

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• Requesting quality analysis test cases up front of implementation/change

  - by arin

  Recently I have been assigned to work on a major requirement that falls between a change request and an improvement. The previous implementation was done (badly) by a senior developer that left the company and did so without leaving a trace of documentation. Here were my initial steps to approach this problem: Considering that the release date was fast approaching and there was no time for slip-ups, I initially asked if the requirement was a "must have". Since the requirement helped the product significantly in terms of usability, the answer was "If possible, yes". Knowing the wide-spread use and affects of this requirement, had it come to a point where the requirement could not be finished prior to release, I asked if it would be a viable option to thrash the current state and revert back to the state prior to the ex-senior implementation. The answer was "Most likely: no". Understanding that the requirement was coming from the higher management, and due to the complexity of it, I asked all usability test cases to be written prior to the implementation (by QA) and given to me, to aid me in the comprehension of this task. This was a big no-no for the folks at the management as they failed to understand this approach. Knowing that I had to insist on my request and the responsibility of this requirement, I insisted and have fallen out of favor with some of the folks, leaving me in a state of "baffledness". Basically, I was trying a test-driven approach to a high-risk, high-complexity and must-have requirement and trying to be safe rather than sorry. Is this approach wrong or have I approached it incorrectly? P.S.: The change request/improvement was cancelled and the implementation was reverted back to the prior state due to the complexity of the problem and lack of time. This only happened after a 2 hour long meeting with other seniors in order to convince the aforementioned folks.

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• What should a developer know before building a public web site?

  - by Joel Coehoorn

  What things should a programmer implementing the technical details of a web site address before making the site public? If Jeff Atwood can forget about HttpOnly cookies, sitemaps, and cross-site request forgeries all in the same site, what important thing could I be forgetting as well? I'm thinking about this from a web developer's perspective, such that someone else is creating the actual design and content for the site. So while usability and content may be more important than the platform, you the programmer have little say in that. What you do need to worry about is that your implementation of the platform is stable, performs well, is secure, and meets any other business goals (like not cost too much, take too long to build, and rank as well with Google as the content supports). Think of this from the perspective of a developer who's done some work for intranet-type applications in a fairly trusted environment, and is about to have his first shot and putting out a potentially popular site for the entire big bad world wide web. Also: I'm looking for something more specific than just a vague "web standards" response. I mean, HTML, JavaScript, and CSS over HTTP are pretty much a given, especially when I've already specified that you're a professional web developer. So going beyond that, Which standards? In what circumstances, and why? Provide a link to the standard's specification. This question is community wiki, so please feel free to edit that answer to add links to good articles that will help explain or teach each particular point. To search in only the answers from this question, use the inquestion:this option.

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• Resize a pendrive Linux?

  - by user11239

  I'm running Ubuntu from USB media, which has a drive capacity of 250 GB, all existing as one FAT32 partition. However, when I created the bootable Ubuntu drive, only 4.79 GB were allocated for usage. Rather than put files directly into the /cdrom where the drive is mounted, I want to expand what is listed here in aufs to be at least 200 GB. I'm hopeful that I can do this live. Output of df : Filesystem 1K-blocks Used Available Use% Mounted on aufs 4051904 4050108 0 100% / none 1542852 284 1542568 1% /dev /dev/sdb1 244076800 4901648 239175152 3% /cdrom /dev/loop0 688000 688000 0 100% /rofs none 1547840 1496 1546344 1% /dev/shm tmpfs 1547840 4828 1543012 1% /tmp none 1547840 80 1547760 1% /var/run none 1547840 0 1547840 0% /var/lock none 1547840 0 1547840 0% /lib/init/rw Output of fdisk -l : Disk /dev/sdb: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00083fe4 Device Boot Start End Blocks Id System /dev/sdb1 * 1 30401 244196001 c W95 FAT32 (LBA) So basically what I want to do is get /dev/sdb1 to be entirely, or almost entirely read as aufs. I'm confused over how to do this, as the file systems are all part of /dev/sdb1 on one big partition, rather than separate partitions for separate file systems.

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• What scenarios are implementations of Object Management Group (OMG) Data Distribution Service best suited for?

  - by mindcrime

  I've always been a big fan of asynchronous messaging and pub/sub implementations, but coming from a Java background, I'm most familiar with using JMS based messaging systems, such as JBoss MQ, HornetQ, ActiveMQ, OpenMQ, etc. I've also loosely followed the discussion of AMQP. But I recently became aware of the Data Distribution Service Specification from the Object Management Group, and found there are a couple of open-source implementations: OpenSplice OpenDDS It sounds like this stuff is focused on the kind of high-volume scenarios one tends to associate with financial trading exchanges and what-not. My current interest is more along the lines of notifications related to activity stream processing (think Twitter / Facebook) and am wondering if the DDS servers are worth looking into further. Could anyone who has practical experience with this technology, and/or a deep understanding of it, comment on how useful it is, and what scenarios it is best suited for? How does it stack up against more "traditional" JMS servers, and/or AMQP (or even STOMP or OpenWire, etc?) Edit: FWIW, I found some information at this StackOverflow thread. Not a complete answer, but anybody else finding this question might also find that thread useful, hence the added link.

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