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  • Report from OpenWorld Shanghai

    - by jmorourke
    Oracle OpenWorld Shanghai 2013 was held July 22nd – 25th at the International Expo Center in Shanghai, China. The conference drew over 19,000 attendees from 44 countries. In addition, 580 CxOs attended the Executive Edge program, and 430+ partners attended the Oracle Partner Network Exchange. The conference included a number of sessions on Big Data, Business Analytics, Business Intelligence and Enterprise Performance Management delivered by Oracle, our partners and customers.  I had the pleasure to attend the conference and delivered three sessions focused on Oracle’s Hyperion Enterprise Performance Management (EPM) applications. Each of my sessions was well-attended, and in a few cases was standing room only, so there is clearly a lot of interest in the China market in EPM. The EPM and BI demo pods in the DemoGrounds at the conference also received a lot of traffic. In addition to the conference sessions I delivered, I had several meetings with customers and partners in Shanghai.These sessions and meetings I attended made clear the interest that customers in China have in improving their planning, management reporting, financial reporting, and profitability management processes. In fact, with the China Ministry of Finance now standardizing on XBRL for annual reporting across multiple agencies in China, there is a great opportunity here for our disclosure management application. One interesting finding is that the China market may not be ready for cloud-based applications as many companies are state-owned and have security concerns, so on-premise applications are likely to see continued demand.  For more information about the Oracle OpenWorld China 2013 conference, please check the web  site:  http://www.oracle.com/events/apac/cn/en/openworld/index.htmlAnd don’t forget, Oracle OpenWorld San Francisco 2013 is just around the corner in September of 2013. Please check the web site for registration and content information: http://www.oracle.com/openworld/index.html

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  • Optimize Many-to-Many with SUMMARIZE and Other Techniques

    - by Marco Russo (SQLBI)
    We are still in the early days of DAX and even if I have been using it since 2 years ago, there is still a lot to learn on that. One of the topics that historically interests me (and many of the readers here, probably) is the many-to-many relationships between dimensions in a dimensional data model. When I and Alberto wrote the The Many to Many Revolution 2.0 we discovered the SUMMARIZE based pattern very late in the whitepaper writing. It is very important for performance optimization and it should be always used. In the last month, Gerhard Brueckl also presented an approach based on cross table filtering behavior that simplify the syntax involved, even if it’s harder to explain how it works internally. I published a short article titled Optimize Many-to-Many Calculation in DAX with SUMMARIZE and Cross Table Filtering on SQLBI website just to provide a quick reference to the three patterns available. A further study is still required to compare performance between SUMMARIZE and Cross Table Filtering patterns. Up to now, I haven’t observed big differences between them, even if their execution plans might be not identical and this suggest me that depending on other conditions you might favor one over the other.

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  • Price Drop for Processor based License on Exalytics

    - by Mike.Hallett(at)Oracle-BI&EPM
    ·       33% reduction in the list `per processor` license pricing for the Oracle BI Foundation Suite ·       New capacity-based licensing which allows customers to think big & start small, significantly lowering the entry price point for an Exalytics. Oracle BI Software List Price changes In response to new powerful platforms like the in-memory Oracle Exalytics with 40 cpu cores (counted under Oracle pricing policy as 20 “processors”), the list price of “Oracle BI Foundation Suite” (BIFS) is reduced by 33% from $450K per processor to $300K per processor. Capacity-based licensing on Exalytics (Trusted Partitions) “Capacity-based pricing” for the BIFS, Endeca, Essbase and Times Ten for Exalytics software is now available for Exalytics systems. This is delivered using “Oracle VM” (OVM).  We still ship a full Exalytics machine to all customers, but they may choose to only use and license a subset of the processors installed in the machine.   Customers can license Exalytics software in units of 5 “processors”: 5, 10, 15 or the full capacity 20.   As the customer’s implementation and workload increases, it is a simple matter to license additional processors and, using OVM, make them available to the BI or EPM application. Endeca Information Discovery now available on Exalytics Oracle has also announced the certification of “Oracle Endeca Information Discovery” (EID) on the Exalytics machine.    EID can be licensed alone or in combination with the BIFS & Times Ten for an Exalytics stack, and also participates in the capacity based pricing outlined above.   The Exalytics hardware is the perfect platform for EID, and provides superb power and performance for this in-memory hybrid text-search-analytics.   For more information : Oracle Price lists Oracle Partitioning Policy Discussion by Mark Rittman (Rittman Mead Consulting ltd.) on Oracle Trusted Partitions for Oracle Engineered Systems, Oracle Exalytics and Updated BI Foundation Pricing.

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  • Scene graphs and spatial partitioning structures: What do you really need?

    - by tapirath
    I've been fiddling with 2D games for awhile and I'm trying to go into 3D game development. I thought I should get my basics right first. From what I read scene graphs hold your game objects/entities and their relation to each other like 'a tire' would be the child of 'a vehicle'. It's mainly used for frustum/occlusion culling and minimizing the collision checks between the objects. Spatial partitioning structures on the other hand are used to divide a big game object (like the map) to smaller parts so that you can gain performance by only drawing the relevant polygons and again minimizing the collision checks to those polygons only. Also a spatial partitioning data structure can be used as a node in a scene graph. But... I've been reading about both subjects and I've seen a lot of "scene graphs are useless" and "BSP performance gain is irrelevant with modern hardware" kind of articles. Also some of the game engines I've checked like gameplay3d and jmonkeyengine are only using a scene graph (That also may be because they don't want to limit the developers). Whereas games like Quake and Half-Life only use spatial partitioning. I'm aware that the usage of these structures very much depend on the type of the game you're developing so for the sake of clarity let's assume the game is a FPS like Counter-Strike with some better outdoor environment capabilities (like a terrain). The obvious question is which one is needed and why (considering the modern hardware capabilities). Thank you.

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  • Oracle SOA Suite on Virtual Box

    - by sravan.sarraju(at)oracle.com
    Recently I have started my journey Oracle SOA Suite and the first big hurdle everyone warned me off is setting up Oracle SOA Suite environment in our personal machine for learning. My laziness pushed me to search for much easier way than regular all download, configuration stuff and bang..! I found in the solution oracle site itself. Oracle SOA Suite on Virtual Box. For those who are not aware of Virtual Box, it’s a virtualization software which enables u to install multiple operating systems on a virtual hard drive which in turn managed by Virtual Box. In short pack ur Operating System, Software, Files everything into a VM and carry it wherever u go. Coming to Oracle SOA Suite, Oracle is offering a prebuilt VM for download which u can mount on ur Virtual box and that all you need. Here is the link for Virtual Box image of Oracle SOA Suite. Virtual Box can be downloaded here It’s a huge download. I’m yet to try it myself. Will get back to my writer again once I’m done.

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  • 48hrs in Cambridge.

    - by Fatherjack
    In just over 2 weeks something pretty big in the SQL Server Community in the UK is taking place. We are going to witness the first SQL Saturday on these shores. The event is running in Cambridge, the home of the SQL Cambs user group and the chapter leader there (Mark Broadbent) is the lead on the SQL Saturday event too. Mark and his team are making final preparations and looking forward to this event getting started with the Pre-Con day on Friday 7th Sept. They have 3 great sessions from Buck Woody, Jen Stirrup and Mark Rasmussen for those lucky enough to be able to attend on the Friday. There are over 30 speakers providing 4 tracks of sessions on the Saturday so there will be plenty to interest and inform anyone working with SQL Server, take a look at all the sessions on the schedule. In addition to all of this you will be able to spend some quality time talking to all the other attendees, sponsors and PASS representatives to make the most of your time there. If you haven’t registered yet then head over to http://sqlcambs.org.uk/ and get your name down to attend this milestone event.

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  • Social-network, online community, company and job reviews, salaries statistics and much more.. Do we have it? Do we need it?

    - by Vlad Lazarenko
    I have many friends from Ukraine who are programmers. So I found out that they have a web site that collects, organizes and analyzing information about IT companies, which includes location, feedbacks, company reviews from current and former employees etc. They also collect programming salaries and organize them by language, region etc. That web site is ran by programmers and for programmers, all information is absolutely public and free. Plus, web site has forums, and people can discuss (more or less social than specific programming stuff) things, publish articles, news etc. I personally think that is useful, especially for those who are new in this industry. For example, you may do a small research and find out that, for example, Java programmers getting paid more than PHP programmers but demand is lower. Or you get an offer from the company, is about to accept it, but read reviews and find out that they don't even provide internet access at work and if you need to download something, you have to ask your manager to do it for you, and managers share a single computer that has internet connection to get that stuff for you (there is only one such company in Kiev, Ukraine, called SMK, for Software Mac Kiev, a big shame). So the question is - do we have something like it in US? Or at least, say, for New York region? Or state? All information I managed to find online is inaccurate or not full. Forums are very specific. If we don't have it, would you be interested in creating such a portal? Thanks!

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  • How to show or direct a business analyst to do data modelling?

    - by AaronLS
    Our business analysts pushed hard to collect data through a spreadsheet. I am the programmer responsible for importing that data. Usually when they push hard for something like this, I never know how well it will work out until a few weeks later when I have time assigned to work on the task of programming the import of the data. I have tried to do as much as possible along the way, named ranges, data validations, etc. But I usually don't have time to take a detailed look at all the data and compare to the destination in the database to determine how well it matches up. A lot of times there will be maybe a little table of items that somehow I have to relate to something else in the database, but there are not natural or business keys present that would allow me to do so. Make the best of this, trying to write something that can compare strings and make a best guess at it and then go through the effort of creating interfaces for a user to match the imported data to the destination. I feel like if the business analyst was actually creating a data model, they would be forced to think about these relationships, and have an appreciation for the need of natural or business keys to be part of the spreadsheet for the purposes of smoothly importing the data. The closest they come to business analysis is a big flat list of fields, and that would be fine if it were like any other data dictionary and include data types+relationships, but it isn't. They are just a bunch of names. No indication of what type of data they might hold, and it is up to me to guess. When I have pushed for more detail, they say that it is just busy work. How can I explain the importance of data modelling? How can I tell them what it is and how to do it? It feels impossible, because they don't have an appreciation for its importance. They do however, usually have an interest in helping out in whatever way they can, it's just this in particular has never gotten a motivated response.

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  • CMS for coding blog

    - by OrgnlDave
    I've got a server with a LAMP stack and such. I'd like to host a blog-type site (or if there's a free place good for this, that would be cool!) that covers a variety of tutorials, interesting content, etc. There are tons of CMS's out there but if you search for tips on ones that do programming type things well, you get tons of hits about web development. I'd like to know if anyone here has recommendations from actually using a CMS for this type of thing or, short of that, can recommend one - not based on generalities like "Joomla! is great!" I'm looking for the least setup time possible. I'm proficient with CSS and I can design a color scheme, so that's not a big problem. As you can expect, attaching files, pictures, and syntax highlighting are musts (C/C++ ish is good). Ability to group posts, perhaps use tags, etc. would be cool too, but not necessary. As I'm writing this, it almost sounds like it'd be easier to custom-code a small PHP site myself.

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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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  • Recommended storage scheme for home server? (LVM/JBOD/RAID 5...)

    - by j-g-faustus
    Are there any guidelines for which storage scheme(s) makes most sense for a multiple-disk home server? I am assuming a separate boot/OS disk (so bootability is not a concern, this is for data storage only) and 4-6 storage disks of 1-2 TB each, for a total storage capacity in the range 4-12 TB. The file system is ext4, I expect there will be only one big partition spanning all disks. As far as I can tell, the alternatives are individual disks pros: works with any combination of disk sizes; losing a disk loses only the data on that disk; no need for volume management. cons: data management is clumsy when logical units (like a "movies" folder) are larger than the capacity of any single drive. JBOD span pros: can merge disks of any size. cons: losing a disk loses all data on all disks LVM pros: can merge disks of any size; relatively simple to add and remove disks. cons: losing a disk loses all data on all disks RAID 0 pros: speed cons: losing one drive loses all data; disks must be same size RAID 5 pros: data survives losing one disk cons: gives up one disk worth of capacity; disks must be same size RAID 6 pros: data survives losing two disks cons: gives up two disks worth of capacity; disks must be same size I'm primarily considering either LVM or JBOD span simply because it will let me reuse older, smaller-capacity disks when I upgrade the system. The runner-up is RAID 0 for speed. I'm planning on having full backups to a separate system, so I expect the extra redundancy from RAID levels 5 or 6 won't be important. Is this a fair representation of the alternatives? Are there other considerations or alternatives I have missed? And what would you recommend?

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  • Now Available: Profit November 2012

    - by user462779
    The November 2012 issue of Profit is now available. In the five years I've worked on Profit, there has been measurable interest in content related to project management. Stories featuring project management as a key component have resulted in extra clicks, likes, and RTs (for you Twitter users) from our readers. I've chatted about this with Oracle customers, partners, and experts and received an assortment of ideas about why this might be. This issue of Profit is a bit of a culmination of those conversations, and the trends that are driving interest in project management best practices. Also, two online developments for Profit: check out my newly relaunched blog, Editor's Notebook, at blogs.oracle.com/profit, where readers can get a peek at the development of each issue of Profit as it happens. We've also launched a new LinkedIn group for our social media-inclined readers. In this issue: Three Keys to Project Management What can organizations with world-class project management teach the rest of us? Strong Medicine Gilead Sciences simplifies business processes to establish a foundation for continued growth. Architects of Reform Enterprise architecture plays an essential role in establishing Oregon as a leader in healthcare reform. Answering the Call Turkcell CIO Ilker Kuruoz finds IT-powered growth and innovation to be the calling card for success. Projected Results Sound project management practices and technology can have an immediate impact on the bottom line. Preparing for Impact Plans for dealing with enterprise information will define the big data winners. Is one issue of Profit not enough to get you through to February? Visit the Profit archives, or follow @OracleProfit on Twitter for a daily dose of enterprise technology news from Profit.

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  • Mod a Swing Arm Lamp into an Adjustable Camera Stand

    - by Jason Fitzpatrick
    If you’re looking for a simple way to get a bird’s eye view to record your DIY projects or other table-based activities like gaming or tinkering, this simple modification to a swing-arm lamp offers a highly flexible camera mount on the cheap. IKEAHacker reader Stef needed an adjustable arm for his iPhone camera so he could record in a top-down-view for some drawing tutorials he was working on. Rather than shell out big bucks for a custom boom arm, he scrounged up a swing arm lamp with a broken shade in the as-is bin at his local IKEA. To mount the iPhone he simply attached a car mount for the iPhone to the swing arm and called it good. Hit up the link below for more pictures; even if you don’t have an IKEA nearby, swing arm lamps are cheap and easy to acquire. Forsa Camera Stand [IKEAHackers] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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  • Brain picking during job interview

    - by mark
    Recently, I had a job interview at a big Silicon Valley company for a senior software developer/R&D position. I had several technical phone screens, an all day on-site interview and more technical phone screens for another position later. The interviews went really well, I have a PhD and working experience in the area I was applying for yet no offer was made. So far, so good. It was an interesting experience, I am employed, absolutely no hard feelings about this. Some of the interviewers asked really detailed questions to the point of being suspicious about new technologies I have been working on. These technologies are still in development and have not come to market yet. I know some major hardware/software companies are working on this too. I have had many interviews before and based on my former interviewing experience and the impression some of the interviewers left behind, I know now all this company wanted from me is to extract some ideas about what I did in this field. Remember, I am referring to a R&D position, not the standard software developer stuff. Has anybody encountered this situation so far? And how did you deal with it? I am not so much concerned about "stealing" ideas but more about being tricked into showing up for an interview when there is no intension to hire anyway. I am considering refusing technical interviews in the future and instead proposing a trial period in which the company can easily reconsider its hiring decision.

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  • What conventions or frameworks exist for MVVM in Perl?

    - by Will Sheppard
    We're using Catalyst to render lots of webforms in what will become a large application. I don't like the way all the form data is confusingly into a big hash in the Controller, before being passed to the template. It seems jumbled up and messy for the template. I'm sure there are real disadvantages that I haven't described properly... Are there? One solution is to just decide on a convention for the hash, e.g.: { defaults => { type => ['a', 'b', 'c'] }, input => { type => 'a' }, output => { message => "2 widgets found of type a", widgets => [ 'foo', 'bar' ] } } Another way is to store the page/form data as attributes in a class (a ViewModel?), and pass a whole object to the template, which it could use like this: <p class="message">[% model.message %]<p> [% FOREACH widget IN model.widgets %] Which way is more flexible for large applications? Are there any other solutions or existing Catalyst-compatible frameworks?

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  • Most effective way to do daily standup meeting when a few people are remote

    - by Burhan Ali
    I am a software developer in a small team of seven. We are not an Agile (with a big 'A') team but are experimenting with some aspects of agile. One of these is the daily "standup" meeting. The difficulty here is that for two days of the week we have at least one person working from home so the full team isn't available in the same room. What is the best way to carry out a daily standup in this situation? Some facts that may be relevant: We all work in a single open plan room. We use Skype in our company. We don't have any video conferencing capability. We all work the same hours so there are no timezone complexities involved. The development manager is one of the people who works from home one day a week. Things we have tried: Conference call using Skype: This is tricky for those in the office because you can hear people speak in the room and then a split second later through the headset. This can e very distracting. Conference phone: Awful experience. Hard to get them to work and poor quality audio. Text-based updates using Skype. This is not as engaging and is no different than just firing off a status email in the morning. I have seen other questions about remote collaboration but they are mainly about completely remote teams and/or teams that span multiple time zones. We are not affected by either of these problems. What can we do to make our standup meetings better in these circumstances?

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  • Cropping images & SEO

    - by user1181950
    So I have a page with a bunch of images with largely varying sizes. Also the layout of the page is such that the images are all in the shape of square tiles, so just resizing will cause distorted images. What I've been doing previously is when users upload images, I resize and crop them appropriately and display the new image as the thumbnail and load full image when user clicks on it. However, I just realized this is an issue with SEO as google will crawl the thumbnails and stick the thumbnails on Google Images instead of the full images. Is there any way to show a cropped/resized image but have Google Image show the full image? I can do something with css using an enclosing div and overflow:hidden, but I'd imagine the performance on that would be pretty bad. Any suggestions? Thanks! PS. I saw this (Make google index the actual image not the thumbnail), but in my case I have users continuously uploading images, and the database of images is always changing and pretty big (thousands), so sitemap will be pretty unwieldy..

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  • Office arangement - comfort vs. teamwork?

    - by finrod
    Our team works in an open-space office. Luckily the cubicles are quite big (L shaped tables for everyone!), there is quite a lot of space so we are not sandwiched. Without going into further detail, there are comfortable spots (window), normal spots and stupid spots (near the corridor). Until recently, the development team of twelve engineers was seated so that all types of spots were occupied and we were all close together. In the old arrangement, verbal communication was very easy - half of the team was withing talking distance. The other half was like ten steps away. Often times I could ask, discuss, solve problems without leaving the cube. Most of the communication is work related, no bullshit or mental masturbation that would unnecessarily distract others. Now we have moved to another part of the building and have larger space to occupy. At this point, everyone could pick their spot. Naturally all stupid spots are left empty (for the poor newcomers to occupy bwehaha). In the new arrangement, the development team is stretched across the floor and some of the key engineers are seated 'far' from each other - definitely not within talking distance. I have yet to experience how this works out but am getting concerned that team work and communication may have been traded for personal comfort. Finally the questions... What do you think is better office arrangement? Such that allows for free verbal communication but trading for some developer's comfort, or such that potentially hinders verbal communication but makes developer's more comfortable in their spot? Or maybe it does not matter at all and we will evolve to be efficient in any arrangement? What is your personal experience? Note - yes I read books and posts how workplace is important in our job. However in this case - we are all still in open space and the difference between the different spots are not really groundbreaking. So I'm thinking the little comfort that few developers gain is not worth the loss of easy communication.

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  • Best practices: Ajax and server side scripting with stored procedures

    - by Luka Milani
    I need to rebuild an old huge website and probably to port everyting to ASP.NET and jQuery and I would like to ask for some suggestion and tips. Actually the website uses: Ajax (client site with prototype.js) ASP (vb script server side) SQL Server 2005 IIS 7 as web server This website uses hundred of stored procedures and the requests are made by an ajax call and only 1 ASP page that contain an huge select case Shortly an example: JAVASCRIPT + PROTOTYPE: var data = { action: 'NEWS', callback: 'doNews', param1: $('text_example').value, ......: ..........}; AjaxGet(data); // perform a call using another function + prototype SERVER SIDE ASP: <% ...... select case request("Action") case "NEWS" With cmmDB .ActiveConnection = Conn .CommandText = "sp_NEWS_TO_CALL_for_example" .CommandType = adCmdStoredProc Set par0DB = .CreateParameter("Param1", adVarchar, adParamInput,6) Set par1DB = .CreateParameter(".....", adInteger, adParamInput) ' ........ ' can be more parameters .Parameters.Append par0DB .Parameters.Append par1DB par0DB.Value = request("Param1") par1DB.Value = request(".....") set rs=cmmDB.execute RecodsetToJSON rs, jsa ' create JSON response using a sub End With .... %> So as you can see I have an ASP page that has a lot of CASE and this page answers to all the ajax request in the site. My question are: Instead of having many CASES is it possible to create dynamic vb code that parses the ajax request and creates dynamically the call to the desired SP (also implementing the parameters passed by JS)? What is the best approach to handle situations like this, by using the advantages of .Net + protoype or jQuery? How the big sites handle situation like this? Do they do it by creating 1 page for request? Thanks in advance for suggestion, direction and tips.

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  • Can I install new version of Ubuntu in spair RAIDed partition with unetbootin

    - by artfulrobot
    I have Ubuntu 11.04 running on my home desktop which has 2 hard drives mirrored by RAID. The drives are partitioned with a big data partition, a swap partition and a couple of 20Gb partitions for OSes, one is 11.04 which is in use, and the other is kept spare for installing a later version. Which is what I'd like to do now. The idea of a 2nd partition for new OS is that I can try it, and if it's problematic, I can boot back into the original one - the machine is shared with others, so I need it to stay available! I have had horrible problems with software RAID after using a Live USB stick - basically it messes up the internal numbering of the RAID drives or something, anyway, the result is you can't boot after using it :-( and have to spend ages re-assembling the arrays, trying to remember grub commands etc etc. Quite a shocker when you consider booting from a Live USB is supposed not to affect the existing system. As I'm installing in a RAIDed disc, I would typically use the Alternative install (sad to hear that this is going to be dropped in future). However, I think I might be able to use unetbootin to trick the system into working on top of the existing system that understands RAID, with the normal ISO? If unetbootin loads from drives that are already understood to be RAIDED, then presumably it will only see md0... instead of sda, sdb... and as long as I don't need to repartition (I don't) it should be fine, right? Or is that just plain foolishness? Please tell me before I end up with a dead system (again!)

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  • The MsC gray zone: How to deal with the "too unexperienced on engineering/too under-qualified for research" situation?

    - by Hunter2
    Last year I've got a MsC degree on CS. On the beginning of the MsC course, I was keen on moving on with research and go for a PhD. However, as the months passed, I started to feel the urge to write software that people would, well, actually use. The programming bug had bitten me, again. So, I decided that before deciding on getting a PhD degree, I would spend some time on the "real world", working as a software developer. Sadly, most companies here in Brazil are "services" companies that seem to be stuck on the 80s when it comes to software development. I have to fend off pushy managers, less-than-competent coworkers and outrageous software requirements (why does everyone seem to need a 50k Oracle license and a behemoth Websphere AS for their CRUD applications?) on a daily basis, and even though I still love software development, the situation is starting to touch a nerve. And, mind you, I'm already lucky for getting a job at a place that isn't a plain software sweatshop. Sure, there are better places around here or I could always try my luck abroad, but then I hit the proverbial brick wall: Sorry, you're too unexperienced as a developer and too under-qualified as a researcher I've already heard this, and variations of that, multiple times. Research position recruiters look for die-hard, publication-ridden, rockstar PhDs, while development position recruiters look for die-hard, experience-ridden, rockstar programmers. To most, my MsC degree seems like a minor bump on my CV (and an outright waste of time for some). Applying for abroad positions is even harder, since the employer would have to deal of the hassle of a VISA process, which I understand that, sometimes, is too much. Now I'm feeling I've reached a dead-end. I'm certain that development (and not research) is my thing, so should I just dismiss my MsC (or play it as a "trump card") and play the "big fish on a small pond" role while I gather some experience and contribute on some open-source projects as a plus? Is there a better way to handle this?

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  • What functionality should a (basic) mock framework have?

    - by user1175327
    If i would start on writing a simple Mock framework, then what are the things that a basic mock framework MUST have? Obviously mocking any object, but what about assertions and perhaps other things? When I think of how I would write my own mock framework then I realise how much I really know (or don't know) and what I would trip up on. So this is more for educational purposes. Of course I did research and this is what i've come up with that a minimal mocking framework should be able to do. Now my question in this whole thing is, am I missing some important details in my ideas? Mocking Mocking a class: Should be able to mock any class. The Mock should preserve the properties and their original values as they were set in the original class. All method implementations are empty. Calls to methods of Mock: The Mock framework must be able to define what a mocked method must return. IE: $MockObj->CallTo('SomeMethod')->Returns('some value'); Assertions To my understanding mocking frameworks also have a set of assertions. These are the ones I think are most important (taken from SimpleTest). expect($method, $args) Arguments must match if called expectAt($timing, $method, $args) Arguments must match when called on the $timing'th time expectCallCount($method, $count) The method must be called exactly this many times expectMaximumCallCount($method, $count) Call this method no more than $count times expectMinimumCallCount($method, $count) Must be called at least $count times expectNever($method) Must never be called expectOnce($method, $args) Must be called once and with the expected arguments if supplied expectAtLeastOnce($method, $args) Must be called at least once, and always with any expected arguments And that's basically, as far as I understand, what a mock framework should be able to do. But is this really everything? Because it currently doesn't seem like a big deal to build something like this. But that's also the reason why I have the feeling that i'm missing some important details about such a framework. So is my understanding right about a mock framework? Or am i missing alot of details?

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  • Who is a CMS really for?

    - by Eirc man
    I have started lately discovering Content Management Systems, and I was wondering, who is really CMS for? What I mean by that: is it only for companies, small businesses or individuals, that pays a contractor to make a website that it's users can just upload content through a easy interface. Or is it used also by programmers, to build their own websites, projects? Would a Facebook, Tweeter, StackExhange ever started by using a CMS, a very powerful one for example. Would you as a programmer build your own "fancy" website on top of a CMS, for example like Typo3, or you would build it from scratch? P.S To be more clear is a summary: What I mean to begin with is, would I as a developer choose a CMS to develop a website that can be scaled with a big base of users, be stuck if I choose to start with a CMS system. What if I build a website using CMS, and the website explodes in popularity, and then I wanted to add much more functionality that I have planed, is it possible that the CMS will limit the growth, because it might have not been build for that kind of scale?

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  • Building a linux system

    - by webyankee
    I am worried about hardware compatibility. I have several older PCs with various hardware and wish to install Linux onto them. I have several ideas about what I would like to do. first, I am a novice and know just enough to get me into trouble in a lot of areas. I can not find adequate descriptions of the usage between a desktop and a server version of Linux. When would you want to choose to build a server instead of a desktop and can you change a desktop to a server if you need higher functionality? I wonder if I should use 32 or 64 bit? I believe 32 bit on older (P1 or P2 systems) would be the safe way to go. what is the extent can these systems be used? Can they used to play high end graphics on-line games or just simple browsing and word processing? How do I determine what programs the system can use? I have pondered on the idea of linking several systems together to make one big computer. I know this can be done with some functionality improvement. Any Ideas about this?

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  • Refactoring and Open / Closed principle

    - by Giorgio
    I have recently being reading a web site about clean code development (I do not put a link here because it is not in English). One of the principles advertised by this site is the Open Closed Principle: each software component should be open for extension and closed for modification. E.g., when we have implemented and tested a class, we should only modify it to fix bugs or to add new functionality (e.g. new methods that do not influence the existing ones). The existing functionality and implementation should not be changed. I normally apply this principle by defining an interface I and a corresponding implementation class A. When class A has become stable (implemented and tested), I normally do not modify it too much (possibly, not at all), i.e. If new requirements arrive (e.g. performance, or a totally new implementation of the interface) that require big changes to the code, I write a new implementation B, and keep using A as long as B is not mature. When B is mature, all that is needed is to change how I is instantiated. If the new requirements suggest a change to the interface as well, I define a new interface I' and a new implementation A'. So I, A are frozen and remain the implementation for the production system as long as I' and A' are not stable enough to replace them. So, in view of these observation, I was a bit surprised that the web page then suggested the use of complex refactorings, "... because it is not possible to write code directly in its final form." Isn't there a contradiction / conflict between enforcing the Open / Closed Principle and suggesting the use of complex refactorings as a best practice? Or the idea here is that one can use complex refactorings during the development of a class A, but when that class has been tested successfully it should be frozen?

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