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  • ViewController in programming

    - by Vishwas Gagrani
    ViewController is a term for classes that handle views in a framework. This is especially used in MVC frameworks. I go through various projects, written by various programmers, who implement MVC in different ways. Especially, i get confused, about the relation between the MainView ( parent view ) and some CustomView ( widget etc) in the framework. I personally pass reference of the MainView into the ViewController to be instantiated. All the subviews of ViewController are added to that reference of MainView. Additionally, ViewController itself is added as a child of MainView. Like this : Want to know, if this is the right way to relate each other ?

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  • PEX - are you licenced for it?

    - by TATWORTH
    There is an interesting artcile about PEX at http://blogs.msdn.com/b/ukmsdn/archive/2011/02/22/featured-article-pex-and-visual-studio.aspx PEX can be downloaded from http://research.microsoft.com/en-us/projects/pex/downloads.aspx The licence conditions are: "Pex and Moles are Power Tools available for commercial use for MSDN subscribers. Moles is also available separately for commercial use without requiring an MSDN subscription. Pex and Moles are also available for academic and non-commercial use." I note with interest that it is now available to MSDN subscribers. If I recall correctly it used to be only available to VS Team versions.

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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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  • practical way to learn C?

    - by jondavidjohn
    I want to dig into C and normally when I want to learn a new language I think of a simple/attainable project goal that has some practical purpose (make use of an api, automate a task, etc...) I'm having a harder time coming up with one for C mainly because everything I read points to the fact that C's primary use currently is in embedded systems and more complex software projects like operating systems. Does this point me to the fact that I don't need to learn it or that I just need to be a bit more convoluted in my learning strategy? References to practical learning resources? (tutorial/how to that produces an end result that has some purpose/benifit)

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  • Lesser-known Github features that I'm missing out on with Bitbucket? [closed]

    - by Ghopper21
    I've been using Bitbucket for my small-team development projects, with the assumption that it is more-or-less a Github clone with pricing that is better for my situation and support for Mercurial (which I don't need). However, I'm seeing there are material-if-not-overwhelming differences, e.g. Github's appealing and useful branches page versus Bitbucket's overly simple branch drop-down list. This makes me wonder: what else am I missing out on? What are the lesser known Github features that folks like me using Bitbucket to save money are missing out on? EDIT: following closure, I've asked for advice on making this question productive over at meta. See here.

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  • Even More Steroids for JEditorPane

    - by Geertjan
    Got some help from Ralph today and now the JEditorPane is as I want it, e.g., code folds are now supported once you click in the JEditorPane, though there are still some side effects, since this is not how anyone anticipated NetBeans editor APIs being used. But, so far, the side effects (e.g., now the hyperlinks work, but they open a new JavaScript file when you click on one of them, instead of jumping within the JEditorPane itself) are not so terrible. Error checking is also done now, which wasn't there before, i.e., red underlines and error annotations in the right margin. And maybe it's my imagination, but the editor feels a lot snappier, e.g., in code completion, than before. I've checked in the changes, they're all in this file: http://java.net/projects/nb-api-samples/sources/api-samples/content/versions/7.3/misc/CMSBackOffice2/CMSBackOffice2-editor/src/main/java/com/mycompany/cmsbackoffice2editor/GeneralTab.java

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  • The JavaFX Community Site on Java.net

    - by Tori Wieldt
    Community activity surrounding JavaFX has been steadily growing, with tweets, blog posts, and projects increasing in number. We are pleased to announce that there is now a JavaFX community site on Java.net at the following URL: javafxcommunity.com  This site is an aggregator of JavaFX information, where you can find links to JavaFX blog posts, tweets, and other resources.  Gerrit Grunwald and Jim Weaver are the community leaders for this site, and they welcome your feedback on how to make the JavaFX Community site more useful to you! Learn more on Jim Weaver’s Rich-Client Java Blog. 

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  • Starting small custom development company, type of niches to target?

    - by Rick
    This is kind of a new years thing for me as I want to be more entrepreneurial going forward with programming and this is kind of a general question for anyone who may share the same ambitions as me. I have experience with web programming and, although I work full time for a company doing programming, I have some freelance programmers that I work with / employ for small projects. I want to see about taking things to the next level as far as building a small company doing custom development. I'm just not sure how to figure out what niches to target as far as what type of apps to build as demos, etc. I was thinking mobile (maybe Android or Iphone) but am just curious if anyone has any advice / resources. A lot of "web development" seems to end up being just using a CMS like Joomla or Wordpress, for smaller sites, so I want to figure a way to steer clear of this crowd and find some opportunity with companies / entrepreneurs who actually need real programming development done to build apps. Thanks for any advice

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  • New: Oracle CRM On Demand Release 19 Partner Readiness web site!

    - by Richard Lefebvre
    We are pleased to introduce you the Oracle CRM On Demand Release 19 Partner Readiness page, a dedicated web site, designed as part of the Release Readiness Program for Partners to provide the training and resources necessary for YOU to successfully position and implement the new Oracle CRM On Demand 19 release. Organized around 3 areas (Immersion Training, Transfer of Information and Collaterals & Other Assets), it consists of 19 short trainings and 4 documents helping you to deliver successfully your CoD Release 19 projects.  Visit the CRM on Demand Release 19 Partner Readiness page here!

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  • How many tiers should my models have in a DB driven web app?

    - by Hanno Fietz
    In my experience, the "Model" in MVC is often not really a single layer. I would regularly have "backend" models and "frontend" models, where the backend ones would have properties that I want to hide from the UI code, and the frontend ones have derived or composite properties which are more meaningful in the context of the UI. Recently, I have started to introduce a third layer in between when database normalization created tables that did not really match the conceptual domain objects anymore. In those projects I have model classes that are equivalent with the DB structure, these become components of objects that represent the domain model, and finally these are filtered and amended for displaying information to the user. Are there patterns or guidelines for how, when and why to organize the data model across application layers?

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  • XHTML fix solution republished

    - by TATWORTH
    As a post VS2010 SP1 installation activity, I am recompiling all my open source projects. The first is XHTMLFIX at http://xhtmlfix.codeplex.com/ This LGPL project has simple fixes to ASP.NET 2.0/4.0 to achieve XHTML compliance as measured by the W3C tests at http://validator.w3.org/ The XHTML project shows as untrue the commonly held belief that MVP or MVC are necessary for producing XHTML compliant web pages. Incidentally the other supposed advantage of MVP and MVC over web forms of easier testing is also very dubious as web forms can be tested by systems such as Selenium or WaTiN. I have used NUnitASP (alas sadly discontinued) with web forms and found it be more effective than unit testing MVP. Now if you prefer the MVP and / or MVC approach over Web forms then fine, that is your preferance. Now if you can find an example where ASP.NET 4.0 Web forms properly written do not produce XHTML compliant markup, I would be glad of your example and will look at ways of modifying the markup to be XHTML compliant.

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  • Silverlight and Windows Phone 7 DFW DevCamp (Silverlightpalooza) is around the corner

    - by T
    It is really shaping up to be everything I had hoped.  Prizes are stacked up behind me.  Food is in place.  I have a set of wonderful volunteers beside me.  The event has been full for weeks.  I will not be doing any official blogging for this event here.  You will have to watch the official blog for that http://silverlightpalooza.dynamitesilverlight.com/ I plan to post pictures and descriptions of everyone’s projects during the event to that site.  It is going to be wonderful fun.  Shawn will be filming part of the time so stay tuned for that also.  We have some great plans in place!!!  I wish everyone could join us and am very excited for those who signed up in time.

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  • Introducing the Hardware Sales Consultant (Presales) Team in Greece

    - by fboufis
    Hello World and welcome to the blog of the Oracle Hardware Presales Team in Athens.The team is responsible for a cluster of six (6) countries which includes Greece, Cyprus, Malta, The Former Yugoslav Republic of Macedonia, Albania and Kosovo.We handle the complete hardware & systems software portfolio, namely: Engineered Systems: Purpose-build and General-purpose solutions Servers: SPARC (M & T-Series) & x86 (X-Series) servers Operating Systems: Oracle Solaris & Oracle Linux Virtualization Technologies: Oracle VM, Solaris Zones & Dynamic Domains Storage: NAS (ZFSSA), SAN (Axiom) & Tape (StorageTek) Systems Software: High Availability (Solaris Cluster) & Systems Management (Ops Center) and a multitude of other products, all of which will be the main topic of our blog. We design and propose solutions based on these products and assist both customers and partners in integrating those solutions in existing datacenters.We will be happy to support you in your projects, provide information and discuss your business issues, so do not hesitate to contact us.Filippos Boufis – Oracle Hardware Principal Sales Consultant

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  • Harmful temptations in programming

    - by gaearon
    Just curious, what kinds of temptations in programming turned out to be really harmful in your projects? Like when you really feel the urge to do something and you believe it's going to benefit the project or else you just trick yourself into believing it is, and after a week you realize you haven't solved any real problems but instead created new ones or, in the best case, pleased your inner beast with no visible impact. Personally, I find it very hard to not refactor bad code. I work with a lot of bad legacy code, and it takes some deep breaths to not touch it when I have no tests to prove my refactoring doesn't not break anything. Another demon for me in user interface, I can literally spend hours changing UI layout just because I enjoy doing it. Sometimes I tell myself I'm working on usability, but the truth is just I love moving buttons around. What are your programming demons, and how do you avoid them?

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  • Programmer logbook application?

    - by jsoldi
    I've just released my application to the public, and I'm working on an updated version, but I really think I should keep track of ALL the code changes. In case some functionality suddenly starts failing, with a history of all the changes I made it would be a lot easier to figure out where I messed it up, in case the problem wasn't already there. The ideal would be to have a super fast computer with a huge hard drive and an application that automatically saves a backup of the whole project every time I change a line in the code, with some file comparison tool that would show me every difference between any two backed up projects, but that's not really possible for now. So, do you know any application that makes it easy for a programmer to keep track of the changes made to the source code?

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  • The Role of High Availability Computing on Business Continuity -- Part 1 of 2

    For organizations that can't afford, sustain or justify downtime -- developing, implementing and testing a high-availability computing strategy is essential. Unplanned downtime affects company reputation, stock price and competitive strategy. It can even delay IT innovation projects necessary for delivering new services to customers. LLearn how Oracle's approach to high availability computing is fundamentally different from the traditional model. Hear Oracle Thought Leader Balaji Bashyam (Vice President, Global Database Support) discuss high availability strategy, best practices, and the effects of availability on business, in a question and answer interview format. This podcast is presented in two parts and is intended for an audience of decision makers and influencers. Part 1 of 2

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  • Welcome to the Database Cloud CoverAge blog

    - by B R Clouse
    Welcome to the Database Cloud CoverAge blog, brought to you by Oracle's Database Cloud Architecture Team. We've spent the past few years developing best practices for database consolidation projects, how to deliver Database as a Service, and for designing and driving corporate cloud initiatives. Many of our experiences and lessons learned are available in a growing collection of collateral that you can find on our OTN page.We decided to join the blogosphere to distill key concepts into short posts that you, our readers, can digest quickly. Also, this medium allows you to comment on our posts and collateral -- to share experiences, challenge our conclusions, critique our recipes, and help us choose topics to blog about. Watch for our next posting, which will start a series on your journey into cloud computing.

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  • Logging in JSON Effect on Performance

    - by Pius
    I see more and more articles about logging in JSON. You can also find one on NodeJS blog. Why does everyone like it so much? I can only see more operations getting involved: A couple new objects being created. Stringifying objects, which either involves calculating string length or multiple string allocations. GCing all the crap that was created. Is there any test on performance when using JSON logging and regular string logging? Do people use JSON (for logging) in enterprise projects?

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  • What do you look for when debugging deadlocks?

    - by Michael K
    Recently I've been working on projects that heavily use threading. I think that I'm OK at designing them; use stateless design as much as possible, lock access to all resources that more than one thread needs, etc. My experience in functional programming has helped that immensely. However, when reading other people's thread code, I get confused. I am debugging a deadlock right now, and since the coding style and design are different from my personal style, I am having a difficult time seeing potential deadlock conditions. What do you look for when debugging deadlocks?

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  • What makes Erlang suitable for cloud applications?

    - by Duncan
    We are starting a new project and implementing on our corporations's instantiation of an openstack cloud (see http://www.openstack.org/). The project is security tooling for our corporation. We currently run many hundreds of dedicated servers for security tools and are moving them to our corporations instantiation of openstack. Other projects in my company currently use erlang in several distributed server applications, and other Q/A point out erlang is used in several popular cloud services. I am trying to convince others to consider where it might be applicable on our project. What are erlang's strengths for cloud programming? Where are areas it is particularly appropriate to use erlang?

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  • Is curl something that's not expected to be installed on servers

    - by Ieyasu Sawada
    Is curl something that's not expected to be installed on servers? I'm working for a small development shop and 99% of the problems that I'm having is regarding curl. Most of the projects that I'm working on involves calling a web API. Most web API's suggests using curl by default since you have to pass in a POST data in the request. Every time I complain to my senior that the server that I'm working on doesn't have curl installed the excuse that I'm always getting is that curl is not needed you can always use file_get_contents. So the question: is curl something that's not expected to be installed on servers that runs PHP, should I always develop using file_get_contents and not curl? Are there any advantages of using file_get_contents over curl or vise versa? If it helps, the context here is wordpress plugins, shopify apps, drupal modules and other bits of code that a lot of people can install.

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  • Should I tell a departed coworker about their "sev 1" defect?

    - by noahz
    I had a co-worker leave our company recently. Before leaving, he coded a component that had a severe memory leak that caused a production outage (OutOfMemoryError in Java). The problem was essentially a HashMap that grew and never removed entries, and the solution was to replace the HashMap with a cache implementation. From a professional standpoint, I feel that I should let him know about the defect so he can learn from the error. On the other hand, once people leave a company, they often don't want to hear about legacy projects that they have left behind for bigger and better things. What is the general protocol for this sort of situation?

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  • How do you go about checking your open source libraries for keystroke loggers?

    - by asd
    A random person on the internet told me that a technology was secure(1), safe to use and didn't contain keyloggers because it is open source. While I can trivially detect the key stroke logger in this open source application, what can developers(2) do to protect themselves against rouge committers to open source projects? Doing a back of the envelope threat analysis, if I were a rogue developer, I'd fork a branch on git and promote it's download since it would have twitter support (and a secret key stroke logger). If it was an SVN repo, I'd create just create a new project. Even better would be to put the malicious code in the automatic update routines. (1) I won't mention which because I can only deal with one kind of zealot at a time. (2) Ordinary users are at the mercy of their virus and malware detection software-- it's absurd to expect grandma to read the source of code of their open source word processor's source code to find the keystroke logger.

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  • What undergraduate course to choose for a mature programmer returning to study

    - by Dve
    I have been developing applications (mostly web-based) for almost 10 years now and have learnt pretty much everything I know through experience (and the internet!). I wouldn't call myself an advanced programmer, but I am quite proficient in several languages (C#, Javascript, Ruby, HTML/CSS etc) and spend a quite a bit of time working on personal projects and reading countless books & articles. I am looking to emigrate to Canada, hopefully Vancouver (im from the UK) and one way would be on a student visa, if I was going to be studying for a minimum of 2 years. Having never been to university or achieved anything higher than A-Levels I am quite tempted by this path. The thought of learning is more exciting to me now than it was 10 years ago! What would be people recommend as a good undergraduate course to take that would complement this career path? Would Math be beneficial, if so which area of Math? TL;DR What undergraduate course/area of study would complement 10 years of (mostly web-based) programming experience?

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  • GeoToolkit Demo Embedded in an Application Framework via Maven

    - by Geertjan
    As a follow on to yesterday's blog entry, here's the equivalent starter application for GeoToolkit (also known as Geotk) on the NetBeans Platform, which ends up looking like this: The above is a border.shp file I found on-line, while here's a USA states shape file rendered in the application: Note that the navigation bar is also included, though that could later be migrated into the menu bar of the NetBeans Platform.  Download the Maven based NetBeans Platform application with GeoToolkit integration here: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.3/tutorials/geospatial/geotoolkit/MyGeospatialSystem It was quite tricky getting this sample together, parts of it, especially the installer, which creates the database, comes from the Puzzle GIS project, while the files come from on-line locations, with the JAI-related dependencies providing problems of their own. But it's definitely a starting point and you now have the basic Maven structure needed for getting started with GeoToolkit in the context of all the services and components provided by the NetBeans Platform.  Many thanks to Johann Sorel for his patience and help. 

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