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  • JCP.next.3: time to get to work

    - by Patrick Curran
    As I've previously reported in this blog, we planned three JSRs to improve the JCP’s processes and to meet our members’ expectations for change. The first - JCP.next.1, or more formally JSR 348: Towards a new version of the Java Community Process - was completed in October 2011. This focused on a small number of simple but important changes to make our process more transparent and to enable broader participation. We're already seeing the benefits of these changes as new and existing JSRs adopt the new requirements. However, because we wanted to complete this JSR quickly we deliberately postponed a number of more complex items, including everything that would require modifying the JSPA (the legal agreement that members sign when they join the organization) to a follow-on JSR. The second JSR (JSR 355: JCP Executive Committee Merge) is in progress now and will complete later this year. This JSR is even simpler than the first, and is focused solely on merging the two Executive Committees into one for greater efficiency and to encourage synergies between the Java ME and Java SE platforms. Continuing the momentum to move Java and the JCP forward we have just filed the third JSR (JCP.next.3) as JSR 358: A major revision of the Java Community Process. This JSR will modify the JSPA as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons we expect to spend a considerable amount of time working on it - at least a year, and probably more. The current version of the JSPA was created back in 2002, although some minor changes were introduced in 2005. Since then the organization and the environment in which we operate have changed significantly, and it is now time to revise our processes to ensure that they meet our current needs. We have a long list of topics to be considered, including the role of independent implementations (those not derived from the Reference Implementation), licensing and open source, ensuring that our new transparency requirements are implemented correctly, compatibility policy and TCKs, the role of individual members, patent policy, and IP flow. The Expert Group for JSR 358, as with all process-change JSRs, consists of all members of the Executive Committees. Even though the JSR has just been filed we started discussions on the various topics several months ago (see the EC's meeting minutes for details) and our EC members - including the new members who joined within the last year or two - are actively engaged. Now it's your opportunity to get involved. As required by version 2.8 of our Process (introduced with JSR 348) we will conduct all our business in the open. We have a public java.net project where you can follow and participate in our work. All of our deliberations will be copied to a public Observer mailing list, we'll track our issues on a public Issue Tracker, and all our documents (meeting agendas and minutes, task lists, working drafts) will be published in our Document Archive. We're just getting started, but we do want your input. Please visit us on java.net where you can learn how to participate. Let's get to work...

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  • how to fully unit test functions and their internal validation

    - by Patrick
    I am just now getting into formal unit testing and have come across an issue in testing separate internal parts of functions. I have created a base class of data manipulation (i.e.- moving files, chmodding file, etc) and in moveFile() I have multiple levels of validation to pinpoint when a moveFile() fails (i.e.- source file not readable, destination not writeable). I can't seem to figure out how to force a couple particular validations to fail while not tripping the previous validations. Example: I want the copying of a file to fail, but by the time I've gotten to the actual copying, I've checked for everything that can go wrong before copying. Code Snippit: (Bad code on the fifth line...) // if the change permissions is set, change the file permissions if($chmod !== null) { $mod_result = chmod($destination_directory.DIRECTORY_SEPARATOR.$new_filename, $chmod); if($mod_result === false || $source_directory.DIRECTORY_SEPARATOR.$source_filename == '/home/k...../file_chmod_failed.qif') { DataMan::logRawMessage('File permissions update failed on moveFile [ERR0009] - ['.$destination_directory.DIRECTORY_SEPARATOR.$new_filename.' - '.$chmod.']', sfLogger::ALERT); return array('success' => false, 'type' => 'Internal Server Error [ERR0009]'); } } So how do I simulate the copy failing. My stop-gap measure was to perform a validation on the filename being copied and if it's absolute path matched my testing file, force the failure. I know this is very bad to put testing code into the actual code that will be used to run on the production server but I'm not sure how else to do it. Note: I am on PHP 5.2, symfony, using lime_test(). EDIT I am testing the chmodding and ensuring that the array('success' = false, 'type' = ..) is returned

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  • Correct process for creating builds reliant on 3rd party packages

    - by Patrick
    I work on a Symfony 2 codebase. We use a number of third-party packages (most are in the Symfony Standard Edition). We use composer for dependencies. We current have all of our third-party code committed in our repository (after changing .gitignore files) to ensure stability. According to Proper Programming Practices™, we are not supposed to have any third-party packages in our repo. We are supposed to pull them down and include them at build time. How are we to do proper QA and debugging when at any given time our dependencies could push an update that breaks functionality?

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  • Ubuntu 12.10 64 bit Slow

    - by Patrick Skiba
    I am new to linux and was wondering why launching applications is so slow. I've tried both Ubuntu 12.10 64 bit and Ubuntu 12.04 LTS 64 bit Computer Specs: Toshiba Satellite p755 CPU: Intel core i7-2670QM @2.20GHz Ram: 8 GB Using integrated intel hd 3000 graphics When I install the first thing I do is update, which takes about an hour or so. I would assume I'd be good after that, but when launching things like the firefox, system settings, thunderbird it takes a much much longer time than on Windows 7. Please help me.

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  • Ubuntu 11.10 very slow compared to Windows

    - by Patrick
    I'm new to Ubuntu/linux. Since my PC is very old and not very fast with Windows 7, I decided to give Ubuntu a try, so I downloaded and installed Ubuntu 11.10 today. When I first started it, I had bad 800x600 resolution and it was very slow and annoying. So I installed a driver for my graphic card and now everything looks very nice (1280x1024).But I think it's still far slower than Windows 7. I tried to run in Ubuntu like a few people suggested on the forum but if I log in I get a black screen saying something like "this video mode cannot be displayed". I get that same screen when booting Ubuntu btw, but after about 15 seconds it disappears and just starts Ubuntu. I also installed other drivers for my graphic card but everything stayed the same. I noticed that i.e. when I open Firefox or system settings it takes about 5 seconds till it opens (while Windows 7 takes under 1 second to start i.e. Chrome) and when I do this my CPU usage gets to 100% for a short time. Computer specs: Memory: 2GB RAM Processor: Intel Pentium 4 2.8GHz Graphics Card: Nvidia GeForce 6800 400MHz. I read on various forums that 11.04 works flawless on many PCs, where 11.10 is very slow. Should I install 11.04 or could anybody help me with this problem?

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  • Ubuntu display - no existent

    - by Patrick M
    My HP Pavillion Dv5 1004nr worked great with Ubuntu up until 11.04. Now, ever since Unity desktop environment the display has been sporadic at best. I was told that the video driver bugs (known and largely ignored) were fixed for the ATI raedon card in my laptop with 13.04. So I installed it. 13.04 doesn't even detect the display. Boots to black screen every time now. Is there ever going to be a fix for the AMD architecture with ATI raedon chipsets? do the developers even care? this has been an issue for years, and no sign of a fix in sight....

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  • How to assign correct permissions to both webserver and svn users ?

    - by Patrick
    I've an issue with files ownerships. I have a drupal website and the "files" folder needs to be owned by "www-data" in order to let the users to upload files with php. However I'm now using svn and I need all folders and files to be own by "svnuser" in order to work. So now, I guess I need to add both users to a group with proper permissions. I'm not sure what exactly to do, could you tell me what are the exact necessary steps ? thanks

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  • Good quality Secure Software Development Training [closed]

    - by Patrick
    Just had my annual appraisal and found out my company is willing to pay for training and exams etc! Woohoo (they kept that one quiet). I'm interested in doing a course on secure development techniques. Has anyone got any suggestions for good quality distance learning courses in secure development (I could probably get a couple of days off to attend a conference/ course if required)? We're mostly an MS .Net house but I have no particular allegiance to MS or any other programming language (though, obviously, C++ is the best language in the world). I have 12 years development experience working in (what are now) PCI:DSS environments, including designing and developing a key management system and I have some knowledge of basic attacks (XSS, injection etc). I would prefer a hard course I struggle with to a basic course I learn 3 things from (but hopefully get something right at my level). A quick google found these two course which look good: http://www.sans.org/course/secure-coding-net-developing-defensible-applications https://www.isc2.org/csslpedu/default.aspx I don't really know how to choose between them, and finding other courses isn't going to make that job any easier, so I thought I'd ask those who know. EDIT : Hmm, care to share the reason for your down vote, will help me learn how to use the site better...

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  • IOUG Enterprise Manager SIG Webinar: WEBINAR: Performance Tuning your Database Cloud in Oracle Enterprise Manager 12c Cloud Control - 360 Degrees

    - by Patrick Rood
    October 25, 2013 EM 12c Sales Blast | IOUG Enterprise Manager SIG WEBINAR: Performance Tuning your Database Cloud in Oracle Enterprise Manager 12c Cloud Control - 360 Degrees Last year, the Independent Oracle User Group (IOUG) established a fast-growing Special Interest Group (SIG) devoted to Enterprise Manager, and has sponsored Quarterly Newsletters and Webinars about EM. To drive more interest in EM and the SIG, IOUG would like Oracle to invite customers to its latest techcast. Your customers will learn how to leverage Oracle Enterprise Manager 12c for tuning, trouble-shooting and monitoring their Oracle Database Cloud Ecosystem. The session covers lessons learned, tips/tricks, recommendations, best practices, "gotchas" and a whole lot more on how to effectively use Oracle Enterprise Manager 12c Cloud Control for quick, easy and intuitive performance tuning of an Oracle Database Cloud. Session Objectives: • Leveraging Enterprise Manager 12c Cloud Control for Oracle Database Tuning/Monitoring • Limited Deep-Dive on Automatic Workload Repository (AWR) • Oracle Database Cloud Performance Tuning • Best Practices for Database Cloud Maintenance and Monitoring Featured Speaker: Tariq Farooq, CEO, BrainSurface and Mike Ault Date & Time: Wednesday, October 30 12:00 PM- 1:00 PM Central Time (USA) Register Here 

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  • Const references when dereferencing iterator on set, starting from Visual Studio 2010

    - by Patrick
    Starting from Visual Studio 2010, iterating over a set seems to return an iterator that dereferences the data as 'const data' instead of non-const. The following code is an example of something that does compile on Visual Studio 2005, but not on 2010 (this is an artificial example, but clearly illustrates the problem we found on our own code). In this example, I have a class that stores a position together with a temperature. I define comparison operators (not all them, just enough to illustrate the problem) that only use the position, not the temperature. The point is that for me two instances are identical if the position is identical; I don't care about the temperature. #include <set> class DataPoint { public: DataPoint (int x, int y) : m_x(x), m_y(y), m_temperature(0) {} void setTemperature(double t) {m_temperature = t;} bool operator<(const DataPoint& rhs) const { if (m_x==rhs.m_x) return m_y<rhs.m_y; else return m_x<rhs.m_x; } bool operator==(const DataPoint& rhs) const { if (m_x!=rhs.m_x) return false; if (m_y!=rhs.m_y) return false; return true; } private: int m_x; int m_y; double m_temperature; }; typedef std::set<DataPoint> DataPointCollection; void main(void) { DataPointCollection points; points.insert (DataPoint(1,1)); points.insert (DataPoint(1,1)); points.insert (DataPoint(1,2)); points.insert (DataPoint(1,3)); points.insert (DataPoint(1,1)); for (DataPointCollection::iterator it=points.begin();it!=points.end();++it) { DataPoint &point = *it; point.setTemperature(10); } } In the main routine I have a set to which I add some points. To check the correctness of the comparison operator, I add data points with the same position multiple times. When writing the contents of the set, I can clearly see there are only 3 points in the set. The for-loop loops over the set, and sets the temperature. Logically this is allowed, since the temperature is not used in the comparison operators. This code compiles correctly in Visual Studio 2005, but gives compilation errors in Visual Studio 2010 on the following line (in the for-loop): DataPoint &point = *it; The error given is that it can't assign a "const DataPoint" to a [non-const] "DataPoint &". It seems that you have no decent (= non-dirty) way of writing this code in VS2010 if you have a comparison operator that only compares parts of the data members. Possible solutions are: Adding a const-cast to the line where it gives an error Making temperature mutable and making setTemperature a const method But to me both solutions seem rather 'dirty'. It looks like the C++ standards committee overlooked this situation. Or not? What are clean solutions to solve this problem? Did some of you encounter this same problem and how did you solve it? Patrick

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  • Executing commands containing space in bash

    - by Epitaph
    I have a file named cmd that contains a list of unix commands as follows: hostname pwd ls /tmp cat /etc/hostname ls -la ps -ef | grep java cat cmd I have another script that executes the commands in cmd as: IFS=$'\n' clear for cmds in `cat cmd` do if [ $cmds ] ; then $cmds; echo "****************************"; fi done The problem is that commands in cmd without spaces run fine, but those with spaces are not correctly interpreted by the script. Following is the output: patrick-laptop **************************** /home/patrick/bashFiles **************************** ./prog.sh: line 6: ls /tmp: No such file or directory **************************** ./prog.sh: line 6: cat /etc/hostname: No such file or directory **************************** ./prog.sh: line 6: ls -la: command not found **************************** ./prog.sh: line 6: ps -ef | grep java: command not found **************************** ./prog.sh: line 6: cat cmd: command not found **************************** What am I missing here?

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  • Different behavior of functors (copies, assignments) in VS2010 (compared with VS2005)

    - by Patrick
    When moving from VS2005 to VS2010 we noticed a performance decrease, which seemed to be caused by additional copies of a functor. The following code illustrates the problem. It is essential to have a map where the value itself is a set. On both the map and the set we defined a comparison functor (which is templated in the example). #include <iostream> #include <map> #include <set> class A { public: A(int i, char c) : m_i(i), m_c(c) { std::cout << "Construct object " << m_c << m_i << std::endl; } A(const A &a) : m_i(a.m_i), m_c(a.m_c) { std::cout << "Copy object " << m_c << m_i << std::endl; } ~A() { std::cout << "Destruct object " << m_c << m_i << std::endl; } void operator= (const A &a) { m_i = a.m_i; m_c = a.m_c; std::cout << "Assign object " << m_c << m_i << std::endl; } int m_i; char m_c; }; class B : public A { public: B(int i) : A(i, 'B') { } static const char s_c = 'B'; }; class C : public A { public: C(int i) : A(i, 'C') { } static const char s_c = 'C'; }; template <class X> class compareA { public: compareA() : m_i(999) { std::cout << "Construct functor " << X::s_c << m_i << std::endl; } compareA(const compareA &a) : m_i(a.m_i) { std::cout << "Copy functor " << X::s_c << m_i << std::endl; } ~compareA() { std::cout << "Destruct functor " << X::s_c << m_i << std::endl; } void operator= (const compareA &a) { m_i = a.m_i; std::cout << "Assign functor " << X::s_c << m_i << std::endl; } bool operator() (const X &x1, const X &x2) const { std::cout << "Comparing object " << x1.m_i << " with " << x2.m_i << std::endl; return x1.m_i < x2.m_i; } private: int m_i; }; typedef std::set<C, compareA<C> > SetTest; typedef std::map<B, SetTest, compareA<B> > MapTest; int main() { int i = 0; std::cout << "--- " << i++ << std::endl; MapTest mapTest; std::cout << "--- " << i++ << std::endl; SetTest &setTest = mapTest[0]; std::cout << "--- " << i++ << std::endl; } If I compile this code with VS2005 I get the following output: --- 0 Construct functor B999 Copy functor B999 Copy functor B999 Destruct functor B999 Destruct functor B999 --- 1 Construct object B0 Construct functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Copy object B0 Copy functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Copy object B0 Copy functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Destruct functor C999 Destruct object B0 Destruct functor C999 Destruct object B0 --- 2 If I compile this with VS2010, I get the following output: --- 0 Construct functor B999 Copy functor B999 Copy functor B999 Destruct functor B999 Destruct functor B999 --- 1 Construct object B0 Construct functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Copy object B0 Copy functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Copy functor C999 Assign functor C999 Assign functor C999 Destruct functor C999 Copy object B0 Copy functor C999 Copy functor C999 Copy functor C999 Destruct functor C999 Destruct functor C999 Copy functor C999 Assign functor C999 Assign functor C999 Destruct functor C999 Destruct functor C999 Destruct object B0 Destruct functor C999 Destruct object B0 --- 2 The output for the first statement (constructing the map) is identical. The output for the second statement (creating the first element in the map and getting a reference to it), is much bigger in the VS2010 case: Copy constructor of functor: 10 times vs 8 times Assignment of functor: 2 times vs. 0 times Destructor of functor: 10 times vs 8 times My questions are: Why does the STL copy a functor? Isn't it enough to construct it once for every instantiation of the set? Why is the functor constructed more in the VS2010 case than in the VS2005 case? (didn't check VS2008) And why is it assigned two times in VS2010 and not in VS2005? Are there any tricks to avoid the copy of functors? I saw a similar question at http://stackoverflow.com/questions/2216041/prevent-unnecessary-copies-of-c-functor-objects but I'm not sure that's the same question. Thanks in advance, Patrick

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  • Talks Submitted for Ann Arbor Day of .NET 2010

    - by PSteele
    Just submitted my session abstracts for Ann Arbor's Day of .NET 2010.   Getting up to speed with .NET 3.5 -- Just in time for 4.0! Yes, C# 4.0 is just around the corner.  But if you haven't had the chance to use C# 3.5 extensively, this session will start from the ground up with the new features of 3.5.  We'll assume everyone is coming from C# 2.0.  This session will show you the details of extension methods, partial methods and more.  We'll also show you how LINQ -- Language Integrated Query -- can help decrease your development time and increase your code's readability.  If time permits, we'll look at some .NET 4.0 features, but the goal is to get you up to speed on .NET 3.5.   Go Ahead and Mock Me! When testing specific parts of your application, there can be a lot of external dependencies required to make your tests work.  Writing fake or mock objects that act as stand-ins for the real dependencies can waste a lot of time.  This is where mocking frameworks come in.  In this session, Patrick Steele will introduce you to Rhino Mocks, a popular mocking framework for .NET.  You'll see how a mocking framework can make writing unit tests easier and leads to less brittle unit tests.   Inversion of Control: Who's got control and why is it being inverted? No doubt you've heard of "Inversion of Control".  If not, maybe you've heard the term "Dependency Injection"?  The two usually go hand-in-hand.  Inversion of Control (IoC) along with Dependency Injection (DI) helps simplify the connections and lifetime of all of the dependent objects in the software you write.  In this session, Patrick Steele will introduce you to the concepts of IoC and DI and will show you how to use a popular IoC container (Castle Windsor) to help simplify the way you build software and how your objects interact with each other. If you're interested in speaking, hurry up and get your submissions in!  The deadline is Monday, April 5th! Technorati Tags: .NET,Ann Arbor,Day of .NET

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  • Google I/O 2011: Memory management for Android Apps

    Google I/O 2011: Memory management for Android Apps Patrick Dubroy Android apps have more memory available to them than ever before, but are you sure you're using it wisely? This talk will cover the memory management changes in Gingerbread and Honeycomb (concurrent GC, heap-allocated bitmaps, "largeHeap" option) and explore tools and techniques for profiling the memory usage of Android apps. From: GoogleDevelopers Views: 5698 45 ratings Time: 58:42 More in Science & Technology

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  • What Is a Well Designed Website?

    In today?s competitive market place it is essential for a successful company to have a website that stands apart from the crowd. The most important aspect of a well designed website is its ability to... [Author: Patrick Perkins - Web Design and Development - April 02, 2010]

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  • Best Practices of SEO Web Development

    Custom SEO Web Development is a bit of a misnomer. This is because all web development should be regarded as custom, as there are no two companies in existence that are identical. Here best practices... [Author: Patrick Perkins - Web Design and Development - April 28, 2010]

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  • Cutting Insurance Costs Through Reverse Auctions

    Insurance is an expense we';d all like to minimize ? without loss of quality. There are several services that encourage insurers to make their best offers, but it can be difficult to distinguish wheth... [Author: Patrick Hesselmann - Computers and Internet - March 29, 2010]

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  • Missed The Latest OPN Partnercast?

    - by Roxana Babiciu
    Don’t miss the replays. Patrick Ty, Director of Partner Enablement for CX discusses the advantages of Oracle’s Marketing Automation solutions. First, watch his interview with Neil Wilson, Vice President of Global Alliances & Channels, on Oracle Eloqua Marketing Automation. Then, see his conversation with David Lewis, the Founder and CEO of DemandGen International Inc., covering Marketing Automation best practices for partners.

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  • Defining .NET Components with Namespaces

    A .NET software component is a compiled set of classes that provide a programmable interface that is used by consumer applications for a service. As a component is no more than a logical grouping of classes, what then is the best way to define the boundaries of a component within the .NET framework? How should the classes inter-operate? Patrick Smacchia, the lead developer of NDepend, discusses the issues and comes up with a solution.

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  • Google I/O 2012 - Protecting your User Experience While Integrating 3rd-party Code

    Google I/O 2012 - Protecting your User Experience While Integrating 3rd-party Code Patrick Meenan The amount of 3rd-party content included on websites is exploding (social sharing buttons, user tracking, advertising, code libraries, etc). Learn tips and techniques for how best to integrate them into your sites without risking a slower user experience or even your sites becoming unavailable. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 598 12 ratings Time: 48:04 More in Science & Technology

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  • Third JCP.Next JSR Submitted

    - by heathervc
    JSR 358, A major revision of the Java Community Process was submitted for JSR Review on Thursday.  This JSR will modify the JSPA as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons, the JCP EC (acting as the Expert Group for this JSR), expects to spend a considerable amount of time working on it - at least a year, and probably more.  Read more from the Spec Lead, Patrick Curran, in his latest blog post for more details.

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