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  • Windows 8/Surface Lunch Event Summary

    - by Tim Murphy
    Today was a big day for Microsoft with two separate launch event.  The first for Windows 8 and all of it’s hardware partners.  The second was specifically to introduce the Microsoft Windows 8 Surface tablet.  Below are some of the take-aways I got from the webcasts. Windows 8 Launch The three general area that Microsoft focused on were the release of the OS itself, the public unveiling of the Windows Store and the new devices available from its hardware partners. The release of the OS focused on the fact that it will be available at mid-night tonight for both new PCs and for upgrades.  I can’t say that this interested me that much since it was already known to most people.  I think what they did show well was how easy the OS really is to use. The Windows Store is also not a new feature to those of us who have been running the pre-release versions of Windows 8 or have owned Windows Phone 7 for the past 2 years.  What was interesting is that the Windows Store launches with more apps available than any other platforms store at their respective launch.  I think this says a lot about how Microsoft focuses on the ability of developers to create software and make it available.  The of course were sure to emphasize that the Windows Store has better monetary terms for developers than its competitors. The also showed off the fact that XBox Music streaming is available for to all Windows 8 user for free.  Couple this with the Bing suite of apps that give you news, weather, sports and finance right out of the box and I think most people will find the environment a joy to use. I think the hardware demo, while quick and furious, really show where Windows shine: CHOICE!  They made a statement that over 1000 devices have been certified for Windows 8.  They showed tablets, laptops, desktops, all-in-ones and convertibles.  Since these devices have industry standard connectors they give a much wider variety of accessories and devices that you can use with them. Steve Balmer then came on stage and tried to see how many times he could use the “magical”.  He focused on how the Windows 8 OS is designed to integrate with SkyDrive, Skype and Outlook.com.  He also enforced that they think Windows 8 is the best choice for the Enterprise when it comes to protecting data and integrating across devices including Windows Phone 8. With that we were left to wait for the second event of the day. Surface Launch The second event of the day started with kids with magnets.  Ok, they were adults, but who doesn’t like playing with magnets.  Steven Sinofsky detached and reattached the Surface keyboard repeatedly, clearly enjoying himself.  It turns out that there are 4 magnets in the cover, 2 for alignment and 2 as connectors. They then went to giving us the details on the display.  The 10.6” display is optically bonded to the case and is optimized to reduce glare.  I think this came through very well in the demonstrations. The properties of the case were also a great selling point.  The VaporMg allowed them to drop the device on stage, on purpose, and continue working.  Of course they had to bring out the skate boards made from Surface devices. “It just has to feel right” was the reason they gave for many of their design decisions from the weight and size of the device to the way the kickstand and camera work together.  While this gave you the feeling that the whole process was trial and error you could tell that a lot of science went into the specs.  This included making sure that the magnets were strong enough to hold the cover on and still have a 3 year old remove the cover without effort. I am glad that they also decided the a USB port would be part of the spec since it give so many options.  They made the point that this allows Surface to leverage over 420 million existing devices.  That works for me. The last feature that I really thought was important was the microSD port.  Begin stuck with the onboard memory has been an aggravation of mine with many of the devices in the market today. I think they did job of really getting the audience to understand why you want this platform and this particular device.  Using personal examples like creating a video of a birthday party and being in it or the fact that the device was being used to live blog the event and control the lights and presentation.  They showed very well that it was not only fun but very capable of getting real work done.  Handing out tablets to the crowd didn’t hurt either.  In the end I really wanted a Surface even though I really have no need for one on a daily basis.  Great job Microsoft! del.icio.us Tags: Windows 8,Win8,Windows 8 Luanch

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  • What will help you get an entry-level position?

    - by Maria Sandu
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} “Finishing your studies and getting a great job.” Isn’t this the biggest dream of most of the young people? At the beginning you think it’s easy, but when it’s your turn, you realize that actually it’s not as easy as you thought it would be. Especially nowadays, when we’re living difficult times and finding a job is a challenge. This is why I felt lucky when I joined Oracle. Do you want to know how did I do it? My name is Markéta Kocová and I am working as a Customer Intelligence Support Intern within Oracle Prague. Before this job I have, I was focused on my studies, going also abroad for one semester in Rostock University in Germany. I decided though to gain some working experience. In November 2011, I joined Oracle, this one being my first job. I never thought I would be part of such a big company, but here I am! I have to say that I think it’s quite difficult to find a job and thus job search might be exhausting. What did help me? I think it was the networking. The more people you know, the more chances you have to find a job. This is how I’ve heard about this internship. I think internship programs are a great opportunity for young people to gain experience and also to start building a career. As companies are looking for the candidates with the best skills and some experience, it’s difficult to get a job. It’s a paradox isn’t it? You are applying for a entry-level position, but you won’t get it because they’ll be searching for someone who has experience. This is why internship is a good solution to improve your skills. You will learn many things, you might get a mentor and also perform given tasks. What else could you do? In my opinion you should invest in yourself. Try to focus on both education and skills. In order to get a good job in an international and successful company, it’s not enough a university diploma. You could learn a foreign language because it’s usually required. Employers are also looking for good computer skills, so this could be something you could take into consideration before applying to a job. There are also some personal characteristics like communication abilities, self-reliance, self-confidence or ability to solve the crisis situations that companies look at when hiring a person. You could consider attending some training in order to improve these soft skills. Getting a job is difficult, but also when you make it and get one you’ll still finding challenging to stay there. You might realize it is not the dream job, but being patient and trying to learn as much as possible will help you to achieve more. I think every experience is valuable. I’ve been through this type of situation, but the environment, my colleagues and the atmosphere in office have always been great and made me love my job! Thanks guys! If you’re searching for a job and you want to join Oracle, I recommend you to check http://campus.oracle.com

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  • Are there Negative Impact of opensource on commercial environment?

    - by Lostsoul
    I know this is not a good fit for Stack Overflow but wasn't sure if it was good for this site also so let me know if its not and I'll delete it. I love programming for fun but my role in my company is not technical. I have always loved the hacker culture and have been trying to drive that openness within my company from day one. My company has a very broad range of products and there are a few that are not strategic to us so I wanted to open source them (so we can focus on what makes us unique and open source the products that every firm has). Our industry does not open source(we would be the first firm to try this) and the feedback I'm getting from my management team is either 1) we'll destroy the industry or 2) all competitive commercial firms will unite against us and we'll be wiped out either way. I disagreed on both points because I think transparency will only grow our industry and our firm (think of McDonalds/KFC sharing their recipe openly, people may copy you, competitors may target you, but customers also may feel more comfortable buying your product. The value add, I believe, is in the delivery and experience not in hoarding the recipe). It's a big battle in my firm right now between the IT people who have seen the positive effects of sharing and the business people who think we'll be giving up everything (they prefer we sell parts we want to opensource, but in their defense this is standard when divesting something). Our industry is very secretive and I don't want to put anyone(even my competitors employees) out of a job yet I don't want to protect inefficient people by not being open with everyone. Yet I've seen so many amazing technologies created in interesting ways just by giving people freedom to take apart code and put it back together. I'm interested in hearing people's thoughts(doesn't have to be to my specific situation, I'm looking for the general lessons). Its a very stressful decision(but one I feel I must make) because if we go the open source route then there will be no going back. So what are your thoughts? Does open sourcing apply generally or is it only really applicable to software? Is it overall good for people in the industry and outside? I'm actually more interested in the negativeness effects(although positive are welcomed as well) Update: Long story short, although code is involved this is not so much about code as it is more about the idea of open sourcing. We are a mid sized quant hedge fund. We have some unique strategies but also have the standard long/short, arbitrage, global macro, etc.. funds. We are keeping the unique funds we have but the other stuff that everyone else has we are considering open sourcing (We have put in years of work & millions of dollars into. Our funds is pretty popular and our performance is either in first or second quartile so I suspect there will be interest but I don't know to what extent). The goal is not to get a community to work for us or anything, the goal is to let anyone who wants to tinker with it do so and create anything they want (it will not be part of our product line although I may unofficially allocate some our of staff's time to assist any community that grows). Although the code base is quite large, the value in this is the industry knowledge and approaches we have acquired (there are many books on artificial intelligence and quant trading but they are often years behind what's really going on as most firms forbid their staff from discussing what they are doing). We are also considering after we move our clients out to let the software still run and output the resulting portfolios for free as well so people can at least see the results(as long as we have avail. infrastructure). I think our main choices are, we can continue to fight for market share in a products that are becoming commoditized, we can shut the funds/products down(and keep the code but no one outside of our firm will ever learn from it) or we can open source it and let people do what they want. By open sourcing it, my idea is that the talent pool in the industry will grow because right now most of our hires have the same background (CFA, MBA, similar school, same experience,etc.. because we can't spend time training people so the industry 'standardizes' most people and thus the firms themselves start to look/act similar) but this may allow us to identify talent that has never been in the industry before (if we put a GPU license then as people learn from what we did, we can learn from what they do as well and maybe apply it to other areas of our firm). I see a lot of benefits but not many negatives while my peers at the company see the opposite.

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  • What's New in Oracle VM VirtualBox 4.2?

    - by Fat Bloke
    A year is a long time in the IT industry. Since the last VirtualBox feature release, which was a little over a year ago, we've seen: new releases of cool new operating systems, such as Windows 8, ChromeOS, and Mountain Lion; we've seen a myriad of new Linux releases from big Enterprise class distributions like Oracle 6.3, to accessible desktop distros like Ubuntu 12.04 and Fedora 17; and we've also seen the spec of a typical PC or laptop double in power. All of these events have influenced our new VirtualBox version which we're releasing today. Here's how... Powerful hosts  One of the trends we've seen is that as the average host platform becomes more powerful, our users are consistently running more and more vm's. Some of our users have large libraries of vm's of various vintages, whilst others have groups of vm's that are run together as an assembly of the various tiers in a multi-tiered software solution, for example, a database tier, middleware tier, and front-ends.  So we're pleased to unveil a more powerful VirtualBox Manager to address the needs of these users: VM Groups Groups allow you to organize your VM library in a sensible way, e.g.  by platform type, by project, by version, by whatever. To create groups you can drag one VM onto another or select one or more VM's and choose Machine...Group from the menu bar. You can expand and collapse groups to save screen real estate, and you can Enter and Leave a group (think iPad navigation here) by using the right and left arrow keys when groups are selected. But groups are more than passive folders, because you can now also perform operations on groups, rather than all the individual VMs. So if you have a multi-tiered solution you can start the whole stack up with just one click. Autostart Many VirtualBox users run dedicated services in their VMs, for example, running a Wiki. With these types of VM workloads, you really want the VM start up when the host machine boots up. So with 4.2 we've introduced a cross-platform Auto-start mechanism to allow you to treat VMs as host services. Headless VM Launching With VM's such as web servers, wikis, and other types of server-class workloads, the Console of the VM is pretty much redundant. For some time now VirtualBox has offered a separate launch mechanism for these VM's, namely the command-line interface commands VBoxHeadless or VBoxManage startvm ... --type headless commands. But with 4.2 we also allow you launch headless VMs from the Manager. Simply hold down Shift when launching the VM from the Manager.  It's that easy. But how do you stop a headless VM? Well, with 4.2 we allow you to Close the VM from the Manager. (BTW best to use the ACPI Shutdown method which allows the guest VM to close down gracefully.) Easy VM Creation For our expert users, the  New VM Wizard was a little tiresome, so now there's a faster 2-click VM creation mode. Just Hide the description when creating a new VM. Powerful VMs  As the hosts have become more powerful, so are the guests that are running inside them. Here are some of the 4.2 features to accommodate them: Virtual Network Interface Cards  With 4.2, it's now possible to create VMs with up to 36 NICs, when using the ICH9 chipset emulation. But with great power comes great responsibility (didn't Obi-Wan say something similar?), and so we have also introduced bandwidth limiting to prevent a rogue VM stealing the whole pipe. VLAN tagging Some of our users leverage VLANs extensively so we've enhanced the E1000 NICs to support this.  Processor Performance If you are running a CPU which supports Nested Paging (aka EPT in the Intel world) such as most of the Core i5 and i7 CPUs, or are running an AMD Bulldozer or later, you should see some performance improvements from our work with these processors. And while we're talking Processors, we've added support for some of the more modern VIA CPUs too. Powerful Automation Because VirtualBox runs atop a fully blown operating system, it makes sense to leverage the capabilities of the host to run scripts that can drive the guest VMs. Guest Automation was introduced in a prior release but with 4.2 we've revamped the APIs to allow a richer and more powerful set of operations to be executed by the guest. Check out the IGuest APIs in the VirtualBox Programming Guide and Reference (SDK). Powerful Platforms  All the hardcore engineering that has gone into 4.2 has been done for a purpose and that is to deliver a fast and powerful engine that can run almost any x86 OS because of the integrity of the virtualization. So we're pleased to add support for these platforms: Mac OS X "Mountain Lion"  Windows 8 Windows Server 2012 Ubuntu 12.04 (“Precise Pangolin”) Fedora 17 Oracle Linux 6.3  Here's the proof: We don't have time to go into the myriad of smaller improvements such as support for burning audio CDs from a guest, bi-directional clipboard control,  drag-and-drop of files into Linux guests, etc. so we'll leave that as an exercise for the user as soon as you've downloaded from the Oracle or community site and taken a peek at the User Guide. So all in all, a pretty solid release, one that we hope you'll enjoy discovering. - FB 

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  • What's New in SGD 5.1?

    - by Fat Bloke
    Oracle announced the latest version of Secure Global Desktop (SGD) this week with 3 major themes: Support for Android devices; Support for Desktop Chrome clients;  Support for Oracle Unified Directory. I'll talk about the new features in a moment, but a bit of context first: Oracle SGD - what, how and why?  Oracle Secure Global Desktop is Oracle's secure remote access product which allows users on almost any device, to access almost any type application which  is hosted in the data center, from almost any location. And it does this by sitting on the edge of the datacenter, between the user and the applications: This is actually a really smart environment for an increasing number of use cases where: Users need mobility of location AND device (i.e. work from anywhere); IT needs to ensure security of applications and data (of course!) The application requires an end-user environment which can't be guaranteed and IT may not own the client platform (e.g. BYOD, working from home, partners or contractors). Oracle has a a specific interest in this of course. As the leading supplier of enterprise applications, many of Oracle's customers, and indeed Oracle itself, fit these criteria. So, as an IT guy rolling out an application to your employees, if one of your apps absolutely needs, say,  IE10 with Java 6 update 32, how can you be sure that the user population has this, especially when they're using their own devices? In the SGD model you, the IT guy, can set up, say, a Windows Server running the exact environment required, and then use SGD to publish this app, without needing to worry any further about the device the end user is using. What's new?  So back to SGD 5.1 and what is new there: Android devices Since we introduced our support for iPad tablets in SGD 5.0 we've had a big demand from customers to extend this to Android tablets too, and so we're pleased to announce that 5.1 supports Android 4.x tablets such as Nexus 7 and 10, and the Galaxy Tab. Here's how it works, with screenshots from my Nexus 7: Simply point your browser to the SGD server URL and login; The workspace is the list of apps that the admin has deemed ok for you to run. You click on an application to run it (here's Excel and Oracle E-Business Suite): There's an extended on-screen keyboard (extended because desktop apps need keys that don't appear on a tablet keyboard such as ctrl, WIndow key, etc) and touch gestures can be mapped to desktop events (such as tap and hold to right click) All in all a pretty nice implementation for Android tablet users. Desktop Chrome Browsers SGD has always been designed around using a browser to access your applications. But traditionally, this has involved using Java to deliver the SGD client component. With HTML5 and Javascript engines becoming so powerful, we thought we'd see how well a pure web client could perform with desktop apps. And the answer was, surprisingly well. So with this release we now offer this additional way of working, which can be enabled by a simple bit of configuration. Here's a Linux desktop running in a tab in Chrome. And if you resize the browser window, the Linux desktop is resized by SGD too. Very cool! Oracle Unified Directory As I mentioned above, a lot of Oracle users already benefit from SGD. And a lot of Oracle customers use Oracle Unified Directory as their Enterprise and Carrier grade user directory. So it makes a lot of sense that SGD now supports this LDAP directory for both Authentication and as a means to determine which users get which applications, e.g. publish the engineering app to the guys in the Development group, but give everyone E-Business Suite to let them do their expenses. Summary With new devices, and faster 4G networking becoming more prevalent, the pressure for businesses to move to a increasingly mobile enterprise is stronger than ever. SGD is good for users, and even better for IT. By offering the user the ability to work from anywhere, and IT the control and security they need, everyone wins with SGD. To try this for yourself, download SGD 5.1 (look under Desktop Virtualization Products) from the Oracle Software Delivery Cloud or if you're an existing customer, get it from My Oracle Support.  -FB 

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  • jquery .hide() bug in safari

    - by phil crowe
    ive been having issues with this hide bug thats only affecting safari. This is a simple vertical scroller that hides the first element in the list then shows the last. and works in everything apart from safari. the problem seems to be that the divs im working with here share the same class but have unique ids like #mycollectioncomment1, #mycollectioncomment2, #mycollectioncomment3 etc... however hiding just one of these divs hides all the other divs that share the same class. Ive tried .fadeOut(0) that everyone suggests as the work around but it just doesnt work here. var commentListCount = $(".myCollectionLatest").size(); var mycollclickCount = 0; var showingcomments = 5; if ($('.licomment').size() > 0) { showingcomments = 4; //alert("this"); } if ($('.lookInSeasonList').size() > 0) { showingcomments = 5; } if ($('.lookDescMiddle').size() > 0) { showingcomments = 8; } if ($('.MyCollectionsCollectionHolder').size() > 0) { showingcomments = 5; } // if (commentListCount > 5) { $(".myCollectionLatest").hide(); for (i = 0; i < showingcomments; i++) { $("#mycollectioncomment" + i).show(); } $('#mycolldown').click(function () { var element1, element2; if (showingcomments <= commentListCount) { mycollclickCount++; element1 = $("#mycollectioncomment" + mycollclickCount.toString()); element2 = $("#mycollectioncomment" + showingcomments.toString()); element1.closest('.licomment').hide(); element2.closest('.licomment').show(); showingcomments++; } }); $('#mycollup').click(function () { if (showingcomments <= 5) { } else { $("#mycollectioncomment" + mycollclickCount.toString()).show(); $("#mycollectioncomment" + mycollclickCount.toString()).closest('.licomment').show(); mycollclickCount--; showingcomments--; $("#mycollectioncomment" + showingcomments.toString()).hide(); $("#mycollectioncomment" + showingcomments.toString()).closest('.licomment').show(); } }); ---html markup --- <div style="width:260px; height:975px; float:left; border-right:solid 1px #e70079; border-bottom:solid 1px #e70079; border-left:solid 1px #e70079; margin-top:180px;"> <h2 align="center"> <br /> COLLECTION LATEST </h2> <img src="/images/my-collection/black-up.jpg" id="mycollup" /><ul><li class="licomment"><div class="myCollectionLatest" id="mycollectioncomment1"><div style="float:left;"><div class="colltoppic"><a href="/my-collection.aspx?memberId=6855"><img src="/media/6855/makeuo_main.jpg" width="74" height="74" onerror="ImgError(this);" /></a></div><div class="collbottompic" /><div style="float:left; position:absolute; margin-left:83px; margin-top:-84px;" class="mycolllatestlinks"><b><a href="/my-collection.aspx?memberId=6855" class="usernamelinkdiv">CHARLOTTE</a> SAID ABOUT <span class="pinkTxt"><br /><a href="/products/face/powder/pressed-powder.aspx">PRESSED POWDER</a></span></b><p>put this on after foundation. its the best cover powder + re... </p></div><div class="randomCommentsSeeMore"><span class="pinkTxt"><a href="/my-collection.aspx?memberId=6855"> See more <img src="/images/navControls/more-arrow.jpg" alt="see more" /></a></span></div></div></div></li><li class="licomment"><div class="myCollectionLatest" id="mycollectioncomment2"><div style="float:left;"><div class="colltoppic"><a href="/my-collection.aspx?memberId=6331"><img src="/media/6331/26462_1267423081357_1103204986_2592317_7875205_n_main.jpg" width="74" height="74" onerror="ImgError(this);" /></a></div><div class="collbottompic" /><div style="float:left; position:absolute; margin-left:83px; margin-top:-84px;" class="mycolllatestlinks"><b><a href="/my-collection.aspx?memberId=6331" class="usernamelinkdiv">ANN</a> SAID ABOUT <span class="pinkTxt"><br /><a href="/products/eyes/eyeshadow/brilliant-shimmer-duo-eye-wands.aspx">BRILLIANT SHIMMER DUO EYE WANDS</a></span></b><p>Likewise Natasha, i thought it would be a great product as i... </p></div><div class="randomCommentsSeeMore"><span class="pinkTxt"><a href="/my-collection.aspx?memberId=6331"> See more <img src="/images/navControls/more-arrow.jpg" alt="see more" /></a></span></div></div></div></li><li class="licomment"><div class="myCollectionLatest" id="mycollectioncomment3"><div style="float:left;"><div class="colltoppic"><a href="/my-collection.aspx?memberId=5168"><img src="/media/5168/P03-09-09_11.36_main.jpg" width="74" height="74" onerror="ImgError(this);" /></a></div><div class="collbottompic" /><div style="float:left; position:absolute; margin-left:83px; margin-top:-84px;" class="mycolllatestlinks"><b><a href="/my-collection.aspx?memberId=5168">SINYEE</a> SAID </b><p>i used to use this. but now it doesnt seem to go on my skin... </p></div><div class="randomCommentsSeeMore"><span class="pinkTxt"><a href="/my-collection.aspx?memberId=5168"> See more <img src="/images/navControls/more-arrow.jpg" alt="see more" /></a></span></div></div></div></li><li class="licomment"><div class="myCollectionLatest" id="mycollectioncomment4"><div style="float:left;"><div class="colltoppic"><a href="/my-collection.aspx?memberId=6941"><img src="/media/6941/purple 2_main.jpg" width="74" height="74" onerror="ImgError(this);" /></a></div><div class="collbottompic" /><div style="float:left; 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  • jQuery show "loading" during slow operation

    - by The Disintegrator
    I'm trying to show a small loading image during a slow operation with jQuery and can't get it right. It's a BIG table with thousands of rows. When I check the "mostrarArticulosDeReferencia" checkbox it removes the "hidden" class from these rows. This operation takes a couple of seconds and I want to give some feedback. "loading" is a div with a small animated gif Here's the full code jQuery(document).ready(function() { jQuery("#mostrarArticulosDeReferencia").click(function(event){ if( jQuery("#mostrarArticulosDeReferencia").attr("checked") ) { jQuery("#loading").show(); //not showing jQuery("#listadoArticulos tr.r").removeClass("hidden"); //slow operation jQuery("#loading").hide(); } else { jQuery("#loading").show(); //not showing jQuery("#listadoArticulos tr.r").addClass("hidden"); //slow operation jQuery("#loading").hide(); } }); jQuery("#loading").hide(); }); It looks like jquery is "optimizing" those 3 lines jQuery("#loading").show(); //not showing jQuery("#listadoArticulos tr.r").removeClass("hidden"); jQuery("#loading").hide(); And never shows the loading div. Any Ideas? Bonus: There is a faster way of doing this show/hide thing? Found out that toggle is WAY slower. UPDATE: I tried this jQuery("#mostrarArticulosDeReferencia").click(function(event){ if( jQuery("#mostrarArticulosDeReferencia").attr("checked") ) { jQuery("#loading").show(); //not showing jQuery("#listadoArticulos tr.r").removeClass("hidden"); //slow operation setTimeout("jQuery('#loading').hide()", 1000); } else { jQuery("#loading").show(); //not showing jQuery("#listadoArticulos tr.r").addClass("hidden"); //slow operation setTimeout("jQuery('#loading').hide()", 1000); } }); That's what I get click on checkbox nothing happens during 2/3 secs (processing) page gets updated loading div shows up during a split second UPDATE 2: I've got a working solution. But WHY I have to use setTimeout to make it work is beyond me... jQuery("#mostrarArticulosDeReferencia").click(function(event){ if( jQuery("#mostrarArticulosDeReferencia").attr("checked") ) { jQuery("#loading").show(); setTimeout("jQuery('#listadoArticulos tr.r').removeClass('hidden');", 1); setTimeout("jQuery('#loading').hide()", 1); } else { jQuery("#loading").show(); setTimeout("jQuery('#listadoArticulos tr.r').addClass('hidden');", 1); setTimeout("jQuery('#loading').hide()", 1); } });

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  • WPF - ListView within listView Scrollbar problem

    - by Josh
    So I currently have a ListView "List A" who's items each have an expander control which contains another ListView "List B". The problem I am having is that sometimes List B grows so big that it extends beyond the range of List A's view area. List A's scroll bars do not pick up the fact that parts of List B are not being displayed. Is there a way to setup my xaml so that the scroll bars for List A will detect when the list inside the expander is longer then the viewing area of List A. Here is the section of code I need to modify: <TabItem Header="Finished"> <TabItem.Resources> <ResourceDictionary> <DataTemplate x:Key="EpisodeItem"> <DockPanel Margin="30,3"> <TextBlock Text="{Binding Title}" DockPanel.Dock="Left" /> <WrapPanel Margin="10,0" DockPanel.Dock="Right"> <TextBlock Text="Finished at: " /> <TextBlock Text="{Binding TimeAdded}" /> </WrapPanel> </DockPanel> </DataTemplate> <DataTemplate x:Key="AnimeItem"> <DockPanel Margin="5,10"> <Image Height="75" Width="Auto" Source="{Binding ImagePath}" DockPanel.Dock="Left" VerticalAlignment="Top"/> <Expander Template="{StaticResource AnimeExpanderControlTemplate}" > <Expander.Header> <TextBlock FontWeight="Bold" Text="{Binding AnimeTitle}" /> </Expander.Header> <ListView ItemsSource="{Binding Episodes}" ItemTemplate="{StaticResource EpisodeItem}" BorderThickness="0,0,0,0" /> </Expander> </DockPanel> </DataTemplate> </ResourceDictionary> </TabItem.Resources> <ListView Name="finishedView" ItemsSource="{Binding UploadedAnime, diagnostics:PresentationTraceSources.TraceLevel=High}" ItemTemplate="{StaticResource AnimeItem}" /> </TabItem> List A is the ListView with name "finishedView" and List B is the ListView with ItemSource "Episodes"

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  • Using FFmpeg in c#?

    - by daniel
    So i know its a fairly big challenge but i want to write a basic movie player/converter in c# using the FFmpeg library. However the first obstacle i need to overcome is wrapping the FFmpeg library in c#. I downloaded ffmpeg but couldn't compile it on windows, so i downloaded a precompiled version for me. Ok awesome. Then i started looking for c# wrappers. I have looked around and have found a few wrappers such as SharpFFmpeg (http://sourceforge.net/projects/sharpffmpeg/) and ffmpeg-sharp (http://code.google.com/p/ffmpeg-sharp/). First of all i wanted to use ffmpeg-sharp as its LGPL and SharpFFmpeg is GPL. However it had quite a few compile errors. Turns out it was written for the mono compiler, i tried compiling it with mon but couldn't figure out how. I then started to manually fix the compiler errors myself, but came across a few scary ones and thought i'd better leave those alone. So i gave up on ffmpeg-sharp. Then i looked at SharpFFmpeg and it looks like what i want, all the functions P/Invoked for me. However its GPL? Both the AVCodec.cs and AVFormat.cs files look like ports of avcodec.c and avformat.c which i reckon i could port myself? Then not have to worry about licencing. But i wan't to get this right before i go ahead and start coding. Should I: Write my own c++ library for interacting with ffmpeg, then have my c# program talk to the c++ library in order to play/convert videos etc. OR Port avcodec.h and avformat.h (is that all i need?) to c# by using a whole lot of DllImports and write it entirely in c#? First of all consider that i'm not great at c++ as i rarely use it but i know enough to get around. The reason i'm thinking #1 might be the better option is that most FFmpeg tutorials are in c++ and i'd also have more control over memory management that if i was to do it in c#. What do you think? Also would you happen to have any usefull links (perhaps a tutorial) for using FFmpeg? EDIT: spelling mistakes

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  • how to enable SQL Application Role via Entity Framework

    - by Ehsan Farahani
    I'm now developing big government application with entity framework. at first i have one problem about enable SQL application role. with ado.net I'm using below code: SqlCommand cmd = new SqlCommand("sys.sp_setapprole"); cmd.CommandType = CommandType.StoredProcedure; cmd.Connection = _sqlConn; SqlParameter paramAppRoleName = new SqlParameter(); paramAppRoleName.Direction = ParameterDirection.Input; paramAppRoleName.ParameterName = "@rolename"; paramAppRoleName.Value = "AppRole"; cmd.Parameters.Add(paramAppRoleName); SqlParameter paramAppRolePwd = new SqlParameter(); paramAppRolePwd.Direction = ParameterDirection.Input; paramAppRolePwd.ParameterName = "@password"; paramAppRolePwd.Value = "123456"; cmd.Parameters.Add(paramAppRolePwd); SqlParameter paramCreateCookie = new SqlParameter(); paramCreateCookie.Direction = ParameterDirection.Input; paramCreateCookie.ParameterName = "@fCreateCookie"; paramCreateCookie.DbType = DbType.Boolean; paramCreateCookie.Value = 1; cmd.Parameters.Add(paramCreateCookie); SqlParameter paramEncrypt = new SqlParameter(); paramEncrypt.Direction = ParameterDirection.Input; paramEncrypt.ParameterName = "@encrypt"; paramEncrypt.Value = "none"; cmd.Parameters.Add(paramEncrypt); SqlParameter paramEnableCookie = new SqlParameter(); paramEnableCookie.ParameterName = "@cookie"; paramEnableCookie.DbType = DbType.Binary; paramEnableCookie.Direction = ParameterDirection.Output; paramEnableCookie.Size = 1000; cmd.Parameters.Add(paramEnableCookie); try { cmd.ExecuteNonQuery(); SqlParameter outVal = cmd.Parameters["@cookie"]; // Store the enabled cookie so that approle can be disabled with the cookie. _appRoleEnableCookie = (byte[]) outVal.Value; } catch (Exception ex) { result = false; msg = "Could not execute enable approle proc." + Environment.NewLine + ex.Message; } But no matter how much I searched I could not find a way to implement on EF. Another question is: how to Add Application Role to Entity data model designer? I'm using the below code for execute parameter with EF: AEntities ar = new AEntities(); DbConnection con = ar.Connection; con.Open(); msg = ""; bool result = true; DbCommand cmd = con.CreateCommand(); cmd.CommandType = CommandType.StoredProcedure; cmd.Connection = con; var d = new DbParameter[]{ new SqlParameter{ ParameterName="@r", Value ="AppRole",Direction = ParameterDirection.Input} , new SqlParameter{ ParameterName="@p", Value ="123456",Direction = ParameterDirection.Input} }; string sql = "EXEC " + procName + " @rolename=@r,@password=@p"; var s = ar.ExecuteStoreCommand(sql, d); When run ExecuteStoreCommand this line return error: Application roles can only be activated at the ad hoc level.

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  • Error starting jboss server

    - by c0mrade
    I've just finished re-installing my OS, and as always install and test standard tools which I use, and now I get this error like never before when I tried to start Jboss 5 from eclipse, its quite big exeption : 3:53:10,693 ERROR [AbstractKernelController] Error installing to Instantiated: name=AttachmentStore state=Described java.lang.IllegalArgumentException: Wrong arguments. new for target java.lang.reflect.Constructor expected=[java.net.URI] actual=[java.io.File] at org.jboss.reflect.plugins.introspection.ReflectionUtils.handleErrors(ReflectionUtils.java:395) at org.jboss.reflect.plugins.introspection.ReflectionUtils.newInstance(ReflectionUtils.java:153) at org.jboss.reflect.plugins.introspection.ReflectConstructorInfoImpl.newInstance(ReflectConstructorInfoImpl.java:106) at org.jboss.joinpoint.plugins.BasicConstructorJoinPoint.dispatch(BasicConstructorJoinPoint.java:80) at org.jboss.aop.microcontainer.integration.AOPConstructorJoinpoint.createTarget(AOPConstructorJoinpoint.java:282) at org.jboss.aop.microcontainer.integration.AOPConstructorJoinpoint.dispatch(AOPConstructorJoinpoint.java:103) at org.jboss.kernel.plugins.dependency.KernelControllerContextAction$JoinpointDispatchWrapper.execute(KernelControllerContextAction.java:241) at org.jboss.kernel.plugins.dependency.ExecutionWrapper.execute(ExecutionWrapper.java:47) at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchExecutionWrapper(KernelControllerContextAction.java:109) at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchJoinPoint(KernelControllerContextAction.java:70) at org.jboss.kernel.plugins.dependency.InstantiateAction.installActionInternal(InstantiateAction.java:66) at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54) at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42) at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631) at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:774) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:540) at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBean(AbstractKernelDeployer.java:319) at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBeans(AbstractKernelDeployer.java:297) at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deploy(AbstractKernelDeployer.java:130) at org.jboss.kernel.plugins.deployment.BasicKernelDeployer.deploy(BasicKernelDeployer.java:76) at org.jboss.bootstrap.microcontainer.TempBasicXMLDeployer.deploy(TempBasicXMLDeployer.java:91) at org.jboss.bootstrap.microcontainer.TempBasicXMLDeployer.deploy(TempBasicXMLDeployer.java:161) at org.jboss.bootstrap.microcontainer.ServerImpl.doStart(ServerImpl.java:138) at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:450) at org.jboss.Main.boot(Main.java:221) at org.jboss.Main$1.run(Main.java:556) at java.lang.Thread.run(Thread.java:619) Failed to boot JBoss: java.lang.IllegalStateException: Incompletely deployed: DEPLOYMENTS IN ERROR: Deployment "AttachmentStore" is in error due to: java.lang.IllegalArgumentException: Wrong arguments. new for target java.lang.reflect.Constructor expected=[java.net.URI] actual=[java.io.File] DEPLOYMENTS MISSING DEPENDENCIES: Deployment "ProfileServiceBootstrap" is missing the following dependencies: Dependency "ProfileService" (should be in state "Installed", but is actually in state "Instantiated") Dependency "jboss.kernel:service=Kernel" (should be in state "Installed", but is actually in state "**ERROR**") Deployment "ProfileServiceDeployer" is missing the following dependencies: Dependency "AttachmentStore" (should be in state "Installed", but is actually in state "**ERROR**") Deployment "ProfileService" is missing the following dependencies: Dependency "ProfileServiceDeployer" (should be in state "Installed", but is actually in state "Instantiated") Dependency "jboss.kernel:service=KernelController" (should be in state "Installed", but is actually in state "**ERROR**") Deployment "ProfileServicePersistenceDeployer" is missing the following dependencies: Dependency "AttachmentStore" (should be in state "Installed", but is actually in state "**ERROR**") at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.internalValidate(AbstractKernelDeployer.java:278) at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.validate(AbstractKernelDeployer.java:174) at org.jboss.bootstrap.microcontainer.ServerImpl.doStart(ServerImpl.java:142) at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:450) at org.jboss.Main.boot(Main.java:221) at org.jboss.Main$1.run(Main.java:556) at java.lang.Thread.run(Thread.java:619) 23:53:11,600 INFO [ServerImpl] Runtime shutdown hook called, forceHalt: true 23:53:11,615 INFO [ServerImpl] Shutdown complete Did anyone had the similar problem before?I've never encountered it so far

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  • ActionScript/Flex ArrayCollection of Number objects to Java Collection<Long> using BlazeDS

    - by Justin
    Hello, I am using Flex 3 and make a call through a RemoteObject to a Java 1.6 method and exposed with BlazeDS and Spring 2.5.5 Integration over a SecureAMFChannel. The ActionScript is as follows (this code is an example of the real thing which is on a separate dev network); import com.adobe.cairngorm.business.ServiceLocator; import mx.collections.ArrayCollection; import mx.rpc.remoting.RemoteObject; import mx.rpc.IResponder; public class MyClass implements IResponder { private var service:RemoteObject = ServiceLocator.getInstance().getRemoteOjbect("mySerivce"); public MyClass() { [ArrayElementType("Number")] private var myArray:ArrayCollection; var id1:Number = 1; var id2:Number = 2; var id3:Number = 3; myArray = new ArrayCollection([id1, id2, id3]); getData(myArray); } public function getData(myArrayParam:ArrayCollection):void { var token:AsyncToken = service.getData(myArrayParam); token.addResponder(this.responder); //Assume responder implementation method exists and works } } This will make a call, once created to the service Java class which is exposed through BlazeDS (assume the mechanics work because they do for all other calls not involving Collection parameters). My Java service class looks like this; public class MySerivce { public Collection<DataObjectPOJO> getData(Collection<Long> myArrayParam) { //The following line is never executed and throws an exception for (Long l : myArrayParam) { System.out.println(l); } } } The exception that is thrown is a ClassCastException saying that a java.lang.Integer cannot be cast to a java.lang.Long. I worked around this issue by looping through the collection using Object instead, checking to see if it is an Integer, cast it to one, then do a .longValue() on it then add it to a temp ArraList. Yuk. The big problem is my application is supposed to handle records in the billions from a DB and the id will overflow the 2.147 billion limit of an integer. I would love to have BlazeDS or the JavaAdapter in it, translate the ActionScript Number to a Long as specified in the method. I hate that even though I use the generic the underlying element type of the collection is an Integer. If this was straight Java, it wouldn't compile. Any ideas are appreciated. Solutions are even better! :)

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  • Java Generics, JPA 2, J2EE, JSF 2, GWT, Ajax, Oracle's Java Strategies, Flex, iPhone, Agile ALM, Gra

    - by Kim Won
    Great Indian Developer Summit 2010 – India's Biggest Polyglot Conference and Workshops for IT Software Professionals Bangalore, April 9, 2010: The GIDS.Java Conference and Workshops has announced the complete program of over 50 sessions on the present and future of the Java language and VM, how they are evolving to meet the community's ever-changing needs, and some of the cutting-edge tools, technologies & techniques used for building robust enterprise Java applications today. The GIDs.Java track at Great Indian Developer Summit takes place 22 and 23 April 2010, at the Indian Institute of Science in Bangalore. As one of the longest running independent developer conferences in India, GIDS.Java at the Great Indian Developer Summit 2010 is uniquely positioned to provide a blend of practical, pragmatic and immediately applicable knowledge and a glimpse of the future of technology. During 22 and 23 April 2010, GIDS.Java offers a multi-track conference, workshops, expo show floor, and networking opportunities. The first keynote at GIDS.Java "Pointy Haired Bosses and Pragmatic Programmers" is led by Dr. Venkat Subramaniam. He speaks about how each of us has a professional responsibility to be objective and make decisions that will help us and our teams be productive and deliver results. Venkat will pick on some fallacies, lay down facts, and discuss how to stay professional and objective in our daily efforts. The second keynote of the day explains the practical features that make the Cloud so interesting, and why everyone should start using it in their everyday life. Simone Brunozzi, Amazon Web Services Technology Evangelist, will detail technical examples, business details all mixed with a lot of Italian humor to ensure audience enjoy this talk without a single line of code. The third keynote of the day gives an exciting overview of directions in the Java space for Oracle, featuring concrete signs of Oracles heavy investment, a clear concise strategy overview, and deep dives into some of the most interesting pieces of technology being developed in the Java Platform Group today; such as JavaEE, JDK7, JavaFX, and our exciting new visual tools. Featuring demos by a Java evangelism team star, Simon Ritter, this talk takes you top to bottom in Java Technology. Featured talks at GID.Web include: Good, Bad, and Ugly of Java Generics, Venkat Subramaniam Pure Java Ajax: An Overview of GWT 2.0, Marty Hall How JPA 2.0 Makes a Good Thing Even Better, Mike Keith Building Enterprise RIAs with Adobe Flex and Java, Sujit Reddy G Integrated Ajax Support in JSF 2.0, Marty Hall Design Patterns in Java and Groovy, Venkat Subramaniam A Gentle Introduction to iPhone and Obj-C for Java Developers, Matthew McCullough Cloud Computing: Azure for Java Developers, Janakiram MSV Ajax Support in the Prototype JavaScript Library, Marty Hall First steps to IT Heaven Through the Cloud. Part III: .Java, Simone Brunozi Building Web 2.0 User Interfaces for Web Service Models using JSF, Frank Nimphius and Jobinesh P Acceptance Test Driven Development, John Tobin and Mohammed Mohsinali Architecting Your Java Applications for the Cloud, Praveen Srivatsa Effective Java, Venkat Subramaniam The Amazing Groovy Weight-loss Plan, Scott Davis Enterprise Modeling - from Conceptual Planning to Technical Blueprints, J Sripad Java Collections Renaissance, Donald Raab and Vlad Zakharov Power 7 and IBM J9VM, Himanshu Goyal A Whistle-stop Tour of Maven 3.0, Matthew McCullough Mass Volume Opportunities for Java Developers, Jouko Nuottila Emerging Technology Complex Event Processing, Duvvuri Srinivas Agile ALM for Distributed Development, Karthi Swaminathan Dim Sum Grails - A Sampler of Practical Non Database-Driven Grails Applications, Scott Davis Diagnosing Performance Bottlenecks in J2EE, Deepak Kaul Business Driven Identity Management, Suneet Agera Combining Java EE with OSGi using Eclipse Gemini, Mike Keith Workshop: Essence of Functional Programming, Venkat Subramaniam Workshop: Agile Development, Tools, and Teams and Scrum Certification, Stephen Forte Workshop: Cloud Computing Boot Camp on the Google App Engine, Matthew McCullough Workshop: Building Your First Amazon App, Simone Brunozzi Workshop: The 180-min AJAX and JSON Spike Class, Scott Davis Workshop: PHP + Adobe Flex = Killer RIA, Shyamprasad P Workshop: User Expereince Evaluation Model Walkthrough, Sanna Häiväläinen Workshop: Building Data Centric Applications using Adobe Flex and Java, Prashant Singh Workshop: Monetizing your Apps with PayPal X Payments Platform, Khurram Khan, Praveen Alavilli Sponsors of Great Indian Developer Summit 2010 include: Platinum sponsors Microsoft, Oracle Forum Nokia and Adobe; Gold sponsors Intel and SAP; Silver sponsors Quest Software, PayPal, Telerik and AMT. About Great Indian Developer Summit Great Indian Developer Summit is the gold standard for India's software developer ecosystem for gaining exposure to and evaluating new projects, tools, services, platforms, languages, software and standards. Packed with premium knowledge, action plans and advise from been-there-done-it veterans, creators, and visionaries, the 2010 edition of Great Indian Developer Summit features focused sessions, case studies, workshops and power panels that will transform you into a force to reckon with. Featuring 3 co-located conferences: GIDS.NET, GIDS.Web, GIDS.Java and an exclusive day of in-depth tutorials - GIDS.Workshops, from 20 April to 24 April at the IISc campus in Bangalore. At GIDS you'll participate in hundreds of sessions encompassing the full range of Microsoft computing, Java, Agile, RIA, Rich Web, open source/standards, languages, frameworks and platforms, practical tutorials that deep dive into technical skill and best practices, inspirational keynote presentations, an Expo Hall featuring dozens of the latest projects and products activities, engaging networking events, and the interact with the best and brightest of speakers from around the world. For further information on GIDS 2010, please visit the summit on the web http://www.developersummit.com/ A Saltmarch Media Press Release E: [email protected] Ph: +91 80 4005 1000

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  • Integrating POP3 client functionality into a C# application?

    - by flesh
    I have a web application that requires a server based component to periodically access POP3 email boxes and retrieve emails. The service then needs to process the emails which will involve: Validating the email against some business rules (does it contain a valid reference in the subject line, which user sent the mail, etc.) Analysing and saving any attachments to disk Take the email body and attachment details and create a new item in the database Or update an existing item where the reference matches the incoming email subject line What is the best way to approach this? I really don't want to have to write a POP3 client from scratch, but I need to be able to customize the processing of emails. Ideally I would be able to plug in some component that does the access and retrieval for me, returning arrays of attachments, body text, subject line, etc. ready for my processing... [ UPDATE: Reviews ] OK, so I have spent a fair amount of time looking into (mainly free) .NET POP3 libraries so I thought I'd provide a short review of some of those mentioned below and a few others: Pop3.net - free - works OK, very basic in terms of functionality provided. This is pretty much just the POP3 commands and some base64 encoding, but it's very straight forward - probably a good introduction Pop3 Wizard - commercial / some open source code - couldn't get this to build, missing DLLs, I wouldn't bother with this C#Mail - free - works well, comes with Mime parser and SMTP client, however the comments are in Japanese (not a big deal) and it didn't work with SSL 'out of the box' - I had to change the SslStream constructor after which it worked no problem OpenPOP - free - hasn't been updated for about 5 years so it's current state is .NET 1.0, doesn't support SSL but that was no problem to resolve - I just replaced the existing stream with an SslStream and it worked. Comes with Mime parser. Of the free libraries, I'd go for C#Mail or OpenPOP. I looked at a few commercial libraries: Chillkat, Rebex, RemObjects, JMail.net. Based on features, price and impression of the company I would probably go for Rebex and may in the future if my requirements change or I run into production issues with either of C#Mail or OpenPOP. In case anyone's needs it, this is the replacement SslStream constructor that I used to enable SSL with C#Mail and OpenPOP: SslStream stream = new SslStream(clientSocket.GetStream(), false, delegate(object sender, X509Certificate cert, X509Chain chain, SslPolicyErrors errors) { return true; });

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  • Why do many software projects fail today?

    - by TomTom
    As long as there are software projects, the world is wondering why they fail so often. I would like to know if there is a list or something equivalent which shows how many software projects fail today. Would be nice if there would be a comparison over the last 20 - 30 years. You can also add your top reason why a software project fails. Mine is "Requirements are poor or not even existing." which includes also "No (real) customer / user involved". EDIT: It is nearly impossible to clearly define the term "fail". Let's say that fail means: The project was more than 10% over budget and time. In my opinion the 10% + / - is a good range for an offer / tender. EDIT: Until now (Feb 11) it seems that most posters agree that a fail of the project is basically a failure of the project management (whatever fail means). But IMHO it comes out, that most developers are not happy with this situation. Perhaps because not the manager get penalized when a project was not successful, but the lazy, incompetent developer teams? When I read the posts I can also hear-out that there is a big "gap" between the developer side and the managment side. The expectations (perhaps also the requirements) seem to be so different, that a project cannot be successful in the end (over time / budget; users are not happy; not all first-prio features implemented; too many bugs because developers were forced to implement in too short timeframes ...) I',m asking myself: How can we improve it? Or do we have the possibility to improve it? Everybody seems to be unsatisfied with the way it goes now. Can we close the gap between these two worlds? Should we (the developers) go on strike and fight for "high quality reqiurements" and "realistic / iteration based time shedules"? EDIT: Ralph Westphal and Stefan Lieser have founded a new "community" called: Clean-Code-Developer. The aim of the group is to bring more professionalism into software engineering. Independently if a developer has a degree or tons of years of experience you can be part of this movement. Clean Code Developers live principles like SOLID every day. A professional developer is the biggest reviewer of his own work. And he has an internal value system which helps him to improve and become better. Check it out on: Clean Code Developer EDIT: Our company is doing at the moment a thing called "Application Development and Maintenance Benchmarking". This is a service offered by IBM to get a feedback from someone external on your software engineering process quality etc. When we get the results, I will tell you more about it.

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  • Best ASP.NET E-Commerce Framework (aspDotNetStoreFront, AbleCommerce, BVCommerce, MediaChase,...)

    - by EfficionDave
    I need a full-featured asp.net E-Commerce solution for a project. It needs to be easily extensible as I need to extend it to integrate with a custom Flash based personalization engine. It should also have a great administrative back-end that handles inventory tracking, report, labels, shipping, ... so that the client can really use it as the basis for their business. I've used quite a few different E-Commerce systems including OSCommerce, Zen Cart, Catalook, and eTailer. While I was impressed with Zen Cart and eTailer, this project is big enough that I want to try a more serious, commercial offering. I'm particularly interested in thoughts on aspdotnetstorefront, BVCommerce, AbleCommerce, and MediaChase. [UPDATE] I've done quite a bit of evaluation since I posted this question and will give some of my findings below: BVCommerce - The price point is nice, the product seems fairly well regarded, and I've heard good things about customizing/extending it, it just doesn't seem like it's going to meet my needs as an Top Tier ECommerce solution. After viewing the tutorial videos, the Admin interface just seems too basic and outdated. aspDotNetStorefront - The integration with DotNetNuke was it's biggest selling point for me but after reading peoples opinions, it's integration seems quite weak. It's sounds like there's a significant learning curve and the architecture just doesn't sound like it's as clean as it should be. AbleCommerce - After a rather thorough evaluation, I have selected AbleCommerce for at least my next project. The Admin interface is beautiful and has a nice list of features. The E-Commerce portion of the user side is very well done, highly skin-able (using Master Pages and a couple other techniques), and the checkout workflow has all the features I need while still being very clean. Source to the API can be bought for $500 but you generally won't need it. There are some 3rd party modules available but there's not currently a large market for these. The biggest glaring weakness of AbleCommerce I've found is their CMS capabilities are very limited and not at all well suited for a non-technical user to make most site content updates. But I have a good solution for that that I plan adapting into AbleCommerce. They will automatically generate a site for you to play with to your heart's content for 30 days. It is defniitely worth checking out.

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  • Qt vs .NET - plz no n00bs who don't know wtf they're talking about [closed]

    - by Pirate for Profit
    Man in all these Qt vs. .NET discussions 90% these people don't know WTF they're talking about. Trying to get a real comparison chart going before we embark on a major fucking project. And yes I'm drunk, and yes I use cocaine. Event Handling In Qt the event handling system you just emit signals when something cool happens and then catch them in slots, for instance emit valueChanged(int percent, bool something); and void MyCatcherObj::valueChanged(int p, bool ok){} blocking them and disconnecting them when needed, doing it across threads... once you get the hang of it, it just seems a lot more natural and intuitive than the way the .NET event handling is set up (you know, object sender, CustomEventArgs e). And I'm not just talking about syntax, because in the end the .NET delegate crap is the bomb. I'm also talking about in more than just reflection (because, yes, .NET obviously has much stronger reflection capabilities). I'm talking about in the way the system feels to a human being. Qt wins hands down i m o. Basically, the footprints make more sense and you can visualize the project easier without the clunky event handling system. I wish I could it explain it better. The only thing is, I do love some of the ease of C# compared to C++ and .NET's assembly architecture. That is a big bonus for modular projects, which are a PITA to do in C++. Database Ease of Doing Crap Also what about datasets and database manipulations. I think .net wins here but I'm not sure. Threading/Conccurency How do you guys think of the threading? In .NET, all I've ever done is make like a list of master worker threads with locks. I like QConcurrentFramework, you don't worry about locks or anything, and with the ease of the signal slot system across threads it's nice to get notified about the progress of things. Memory Usage Also what do you think of the overall memory usage comparison. Is the .NET garbage collector pretty on the ball and quick compared to the instantaneous nature of native memory management? Or does it just let programs leak up a storm and lag the computer then clean it up when it's about to really lag? However, I am a n00b who doesn't know what I'm talking about, please school me on the subject.

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  • vector iterator not dereferencable at runtime on a vector<vector<vector<A*>*>*>

    - by marouanebj
    Hi, I have this destructor that create error at runtime "vector iterator not dereferencable". The gridMatrix is a std::vector<std::vector<std::vector<AtomsCell< Atom<T> * > * > * > * > I added the typename and also the typedef but I still have the error. I will move for this idea of vect of vect* of vect* to use boost::multi_array I think, but still I want to understand were this is wrong. /// @brief destructor ~AtomsGrid(void) { // free all the memory for all the pointers inside gridMatrix (all except the Atom<T>* ) //typedef typename ::value_type value_type; typedef std::vector<AtomsCell< Atom<T>* >*> std_vectorOfAtomsCell; typedef std::vector<std_vectorOfAtomsCell*> std_vectorOfVectorOfAtomsCell; std_vectorOfAtomsCell* vectorOfAtomsCell; std_vectorOfVectorOfAtomsCell* vectorOfVecOfAtomsCell; typename std_vectorOfVectorOfAtomsCell::iterator itSecond; typename std_vectorOfVectorOfAtomsCell::reverse_iterator reverseItSecond; typename std::vector<std_vectorOfVectorOfAtomsCell*>::iterator itFirst; //typename std::vector<AtomsCell< Atom<T>* >*>* vectorOfAtomsCell; //typename std::vector<std::vector<AtomsCell< Atom<T>* >*>*>* vectorOfVecOfAtomsCell; //typename std::vector<std::vector<AtomsCell< Atom<T>* >*>*>::iterator itSecond; //typename std::vector<std::vector<AtomsCell< Atom<T>* >*>*>::reverse_iterator reverseItSecond; //typename std::vector<std::vector<std::vector<AtomsCell< Atom<T>* >*>*>*>::iterator itFirst; for (itFirst = gridMatrix.begin(); itFirst != gridMatrix.end(); ++itFirst) { vectorOfVecOfAtomsCell = (*itFirst); while (!vectorOfVecOfAtomsCell->empty()) { reverseItSecond = vectorOfVecOfAtomsCell->rbegin(); itSecond = vectorOfVecOfAtomsCell->rbegin().base(); vectorOfAtomsCell = (*itSecond); // ERROR during run: "vector iterator not dereferencable" // I think the ERROR is because I need some typedef typename or template ???!!! // the error seems here event at itFirst //fr_Myit_Utils::vectorElementDeleter(*vectorOfAtomsCell); //vectorOfVecOfAtomsCell->pop_back(); } } fr_Myit_Utils::vectorElementDeleter(gridMatrix); } If someone want the full code that create the error I'm happy to give it but I do not think we can attach file in the forum. BUT still its is not very big so if you want it I can copy past it here. Thanks

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  • Objective-C Out of scope problem

    - by davbryn
    Hi, I'm having a few problems with some Objective-C and would appreciate some pointers. So I have a class MapFileGroup which has the following simple interface (There are other member variables but they aren't important): @interface MapFileGroup : NSObject { NSMutableArray *mapArray; } @property (nonatomic, retain) NSMutableArray *mapArray; mapArray is @synthesize'd in the .m file. It has an init method: -(MapFileGroup*) init { self = [super init]; if (self) { mapArray = [NSMutableArray arrayWithCapacity: 10]; } return self; } It also has a method for adding a custom object to the array: -(BOOL) addMapFile:(MapFile*) mapfile { if (mapfile == nil) return NO; mapArray addObject:mapfile]; return YES; } The problem I get comes when I want to use this class - obviously due to a misunderstanding of memory management on my part. In my view controller I declare as follows: (in the @interface): MapFileGroup *fullGroupOfMaps; With @property @property (nonatomic, retain) MapFileGroup *fullGroupOfMaps; Then in the .m file I have a function called loadMapData that does the following: MapFileGroup *mapContainer = [[MapFileGroup alloc] init]; // create a predicate that we can use to filter an array // for all strings ending in .png (case insensitive) NSPredicate *caseInsensitivePNGFiles = [NSPredicate predicateWithFormat:@"SELF endswith[c] '.png'"]; mapNames = [unfilteredArray filteredArrayUsingPredicate:caseInsensitivePNGFiles]; [mapNames retain]; NSEnumerator * enumerator = [mapNames objectEnumerator]; NSString * currentFileName; NSString *nameOfMap; MapFile *mapfile; while(currentFileName = [enumerator nextObject]) { nameOfMap = [currentFileName substringToIndex:[currentFileName length]-4]; //strip the extension mapfile = [[MapFile alloc] initWithName:nameOfMap]; [mapfile retain]; // add to array [fullGroupOfMaps addMapFile:mapfile]; } This seems to work ok (Though I can tell I've not got the memory management working properly, I'm still learning Objective-C); however, I have an (IBAction) that interacts with the fullGroupOfMaps later. It calls a method within fullGroupOfMaps, but if I step into the class from that line while debugging, all fullGroupOfMaps's objects are now out of scope and I get a crash. So apologies for the long question and big amount of code, but I guess my main question it: How should I handle a class with an NSMutableArray as an instance variable? What is the proper way of creating objects to be added to the class so that they don't get freed before I'm done with them? Many thanks

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  • Problem using ‘useLegacyV2RuntimeActivationPolicy’ & supportedRuntime in an application

    - by Notre
    Hello, I've modified a couple of different applications' .config file like this: <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0"/> </startup> When I did this for devenv.exe.config (VS 2005 - don't ask :) ), things work great - most of the Visual Studio used .NET 2.0 but I was able to make use of an assembly targeting .NET 4.0 framework. I tried to do the same thing for a custom .exe, which happens to be based on MS CAB (slightly modified) and has a hybrid mix of WPF and WinForms content. As soon as I modified this application's app config file, I started getting this exception, sometime during application startup: The Undo operation encountered a context that is different from what was applied in the corresponding Set operation. The possible cause is that a context was Set on the thread and not reverted(undone). System.InvalidOperationException: The Undo operation encountered a context that is different from what was applied in the corresponding Set operation. The possible cause is that a context was Set on the thread and not reverted(undone). There's a big long stack trace that doesn't show anything in my application code directly (just a bunch of MS assemblies). If I modify the application's .config file to this: <startup useLegacyV2RuntimeActivationPolicy="true"> </startup> i.e.I remove the supportedRuntime element, then the application doesn't throw this exception. But when I go to the point in my code where I try to load my .NET 4 assembly, if fails with this: System.BadImageFormatException: Could not load file or assembly '' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. I guess this is expected. I have two questions: 1) Any idea why I'm getting the System.InvalidOperationException exception when I modify this application's configuration file to include the supportedRuntime element, adding .NET 4 support and any suggestions on what I can do about it? 2) If the answer is "no idea why/don't know what you can do about it", then is possible for my .NET 3.5 SP1 code (C#) to provide more fine grain support for conditionally adding .NET 4 runtime support for a certain assembly(ies) without converting my entire application to target .NET 4, or without using the declarative config file approach? At some point I would convert the entire application to target .NET 4, but for the short term this is daunting task and I'm hope for some short term solution/hack. Thank you very much for any advice you can give!

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  • How to avoid open-redirect vulnerability and safely redirect on successful login (HINT: ASP.NET MVC

    - by Brad B.
    Normally, when a site requires that you are logged in before you can access a certain page, you are taken to the login screen and after successfully authenticating yourself, you are redirected back to the originally requested page. This is great for usability - but without careful scrutiny, this feature can easily become an open redirect vulnerability. Sadly, for an example of this vulnerability, look no further than the default LogOn action provided by ASP.NET MVC 2: [HttpPost] public ActionResult LogOn(LogOnModel model, string returnUrl) { if (ModelState.IsValid) { if (MembershipService.ValidateUser(model.UserName, model.Password)) { FormsService.SignIn(model.UserName, model.RememberMe); if (!String.IsNullOrEmpty(returnUrl)) { return Redirect(returnUrl); // open redirect vulnerability HERE } else { return RedirectToAction("Index", "Home"); } } else { ModelState.AddModelError("", "User name or password incorrect..."); } } return View(model); } If a user is successfully authenticated, they are redirected to "returnUrl" (if it was provided via the login form submission). Here is a simple example attack (one of many, actually) that exploits this vulnerability: Attacker, pretending to be victim's bank, sends an email to victim containing a link, like this: http://www.mybank.com/logon?returnUrl=http://www.badsite.com Having been taught to verify the ENTIRE domain name (e.g., google.com = GOOD, google.com.as31x.example.com = BAD), the victim knows the link is OK - there isn't any tricky sub-domain phishing going on. The victim clicks the link, sees their actual familiar banking website and is asked to logon Victim logs on and is subsequently redirected to http://www.badsite.com which is made to look exactly like victim's bank's website, so victim doesn't know he is now on a different site. http://www.badsite.com says something like "We need to update our records - please type in some extremely personal information below: [ssn], [address], [phone number], etc." Victim, still thinking he is on his banking website, falls for the ploy and provides attacker with the information Any ideas on how to maintain this redirect-on-successful-login functionality yet avoid the open-redirect vulnerability? I'm leaning toward the option of splitting the "returnUrl" parameter into controller/action parts and use "RedirectToRouteResult" instead of simply "Redirect". Does this approach open any new vulnerabilities? Side note: I know this open-redirect may not seem to be a big deal compared to the likes of XSS and CSRF, but us developers are the only thing protecting our customers from the bad guys - anything we can do to make the bad guys' job harder is a win in my book. Thanks, Brad

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  • Soapui & populating database before

    - by mada
    SoapUi & database data needed Hi, In a J2ee project( spring ws + hibernate +postgresql+maven 2 + tomcat),We have created webservices with full crud operations. We are currently testing them with SoapUi (not yet integrated in the integration-test maven phase ). We need tomcat to test them. Actually before the phase test, with a maven plugin, only one time, some datas are injected in the database before the launch of all tests through many sql files. But the fact is that to test some webservices i need some data entry & their Id (primary key) A- What is the best way to create them ? 1- populate one of the previous .sql test file. But now we have a big dependency where i have to be careful to use the same id use in a insert in the sql file in SoapUi too. And if any developper drop the value, the test will broke. 2- create amongst the .sql file test a soapui.sql where ALL data needed for the Sopaui test will be concentrated. The advantage is that the maintenance will be much more easy. 3-because i have Ws available for all crud operations, i can create before any testsuite a previous testsuite called setup-testsuiteX. In this one, i will use those Ws to inject datas in the databse & save id in variables thanks to the feature "property transfer" 4-launch the soapui test xml file with a junit java test & in the Setup Method (we are using spring test), we will populate the database with DbUnit. Drawback: they are already data in the database & some conflicts may appear due to constraint.And now i have a dependency between: - dbUnit Xml file (with the value primary key) - sopaui test where THOSe value of primarykey will be used advantage: A automatic rollback is possible for DbUnit Data but i dont know how it will react because those data have been used with the Ws. 5- your suggestion ? better idea ? Testing those Ws create datas in the DB. How is the best way to remove them at the end ? (in how daostest we were using a automatic rollback with spring test to let the database clean) Thanks in advance for your hep & sorry for my english, it is not my mother thongue. Regards.

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  • MSSQL: How to copy a file (pdf, doc, txt...) stored in a varbinary(max) field to a file in a CLR sto

    - by user193655
    I ask this question as a followup of this question. A solution that uses bcp and xp_cmdshell, that is not my desired solution, has been posted here: stackoverflow.com/questions/828749/ms-sql-server-2005-write-varbinary-to-file-system (sorry i cannot post a second hyperlink since my reputation is les than 10). I am new to c# (since I am a Delphi developer) anyway I was able to create a simple CLR stored procedures by following a tutorial. My task is to move a file from the client file system to the server file system (the server can be accessed using remote IP, so I cannot use a shared folder as destination, this is why I need a CLR stored procedure). So I plan to: 1) store from Delphi the file in a varbinary(max) column of a temporary table 2) call the CLR stored procedure to create a file at the desired path using the data contained in the varbinary(max) field Imagine I need to move C:\MyFile.pdf to Z:\MyFile.pdf, where C: is a harddrive on local system and Z: is an harddrive on the server. I provide the code below (not working) that someone can modify to make it work? Here I suppose to have a table called MyTable with two fields: ID (int) and DATA (varbinary(max)). Please note it doesn't make a difference if the table is a real temporary table or just a table where I temporarly store the data. I would appreciate if some exception handling code is there (so that I can manage an "impossible to save file" exception). I would like to be able to write a new file or overwrite the file if already existing. [Microsoft.SqlServer.Server.SqlProcedure] public static void VarbinaryToFile(int TableId) { using (SqlConnection connection = new SqlConnection("context connection=true")) { connection.Open(); SqlCommand command = new SqlCommand("select data from mytable where ID = @TableId", connection); command.Parameters.AddWithValue("@TableId", TableId); // This was the sample code I found to run a query //SqlContext.Pipe.ExecuteAndSend(command); // instead I need something like this (THIS IS META_SYNTAX!!!): SqlContext.Pipe.ResultAsStream.SaveToFile('z:\MyFile.pdf'); } } (one subquestion is: is this approach coorect or there is a way to directly pass the data to the CLR stored procedure so I don't need to use a temp table?) If the subquestion's answer is No, could you describe the approach of avoiding a temp table? So is there a better way then the one I describe above (=temp table + Stored procedure)? A way to directly pass the dataastream from the client application to the CLR stored procedure? (my files can be any size but also very big)

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  • How do you get Matlab to write the BOM (byte order markers) for UTF-16 text files?

    - by Richard Povinelli
    I am creating UTF16 text files with Matlab, which I am later reading in using Java. In Matlab, I open a file called fileName and write to it as follows: fid = fopen(fileName, 'w','n','UTF16-LE'); fprintf(fid,"Some stuff."); In Java, I can read the text file using the following code: FileInputStream fileInputStream = new FileInputStream(fileName); Scanner scanner = new Scanner(fileInputStream, "UTF-16LE"); String s = scanner.nextLine(); Here is the hex output: Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 00000000 73 00 6F 00 6D 00 65 00 20 00 73 00 74 00 75 00 66 00 66 00 s.o.m.e. .s.t.u.f.f. The above approach works fine. But, I want to be able to write out the file using UTF16 with a BOM to give me more flexibility so that I don't have to worry about big or little endian. In Matlab, I've coded: fid = fopen(fileName, 'w','n','UTF16'); fprintf(fid,"Some stuff."); In Java, I change the code to: FileInputStream fileInputStream = new FileInputStream(fileName); Scanner scanner = new Scanner(fileInputStream, "UTF-16"); String s = scanner.nextLine(); In this case, the string s is garbled, because Matlab is not writing the BOM. I can get the Java code to work just fine if I add the BOM manually. With the added BOM, the following file works fine. Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 00000000 FF FE 73 00 6F 00 6D 00 65 00 20 00 73 00 74 00 75 00 66 00 66 00 ÿþs.o.m.e. .s.t.u.f.f. How can I get Matlab to write out the BOM? I know I could write the BOM out separately, but I'd rather have Matlab do it automatically. Addendum I selected the answer below from Amro because it exactly solves the question I posed. One key discovery for me was the difference between the Unicode Standard and a UTF (Unicode transformation format) (see http://unicode.org/faq/utf_bom.html). The Unicode Standard provides unique identifiers (code points) for characters. UTFs provide mappings of every code point "to a unique byte sequence." Since all but a handful of the characters I am using are in the first 128 code points, I'm going to switch to using UTF-8 as Romeo suggests. UTF-8 is supported by Matlab (The warning shown below won't need to be suppressed.) and Java, and for my application will generate smaller text files. I suppress the Matlab warning Warning: The encoding 'UTF-16LE' is not supported. with warning off MATLAB:iofun:UnsupportedEncoding;

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  • Multi-step Workflows: make Workflow A depend on results of Workflow B and/or Workflow C

    - by Joey
    I have been tasked with creating a Software Installation Approval section for our Intranet. When a person requests that a particular piece of software be installed on their workstation, we need to get IT approval and then business approval. Once those are obtained, it is to be installed. I am using Sharepoint Designer to do this. I have List A, where the user enters the information on the requested software. Workflow A then creates a Task in List B, which is then assigned to the IT approver. Workflow B works on List B on item creation, setting the due dates, titles, and other fields, and then pauses until the due date. The IT approver works with the business side and completes the task. Once List B task is complete, the item in List A should be marked as complete -- I have everything up to this point working fine. I want to make this more robust in 2 ways. As the only real option is to mark List B task as "completed", which essentially means "Approved", we have no way of really denying a request. What I want to add is the option to approve or deny a request through the task on List B -- if it is approved, I want the item in List A to continue to show "In Progress" with a custom status of "Approved", and I want to create a new task for software installation; once the installation task is marked as completed, then I want List A to show "Completed" with a status of "Installed". If it is denied, I want the item in List A to show as "Completed", with a status of "Denied". The problem is, I'm not even sure where to start making these modifications. Creating and modifying the custom status fields isn't that big of an issue -- I have messed around with this and I'm fairly confident I can do this easily. My main concern is that I know I will need a Workflow C, but I don't know where or how to trigger this to get the results I need. I've managed to get Workflows A and B working fine, but anything beyond this is really pushing the limit of my knowledge. It's probably obvious that I am rather new to Sharepoint workflows. I was very much thrust into this position and I am still feeling my way around. Thanks in advance for any help!

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