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• How to Make a 9 Layer Density Column [Video]

  - by Jason Fitzpatrick

  Density columns, layers of varying density liquid in a glass cylinder, are nothing new in the world of science demonstrations, but this nine layer one with seven floating objects is something to see. Courtesy of Steve Spangler Science, the experiment goes above and beyond the traditional five layer column by adding another four layers and sinking objects of varying density into the column. The end result is a colorful demonstration of the varying densities of liquids and solids. [via Boing Boing] How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems 7 Ways To Free Up Hard Disk Space On Windows

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• Crystal Reports: 3 New Uses For Sub Reports

  I hate sub reports and always consider them the last resort in any reporting solution. The negative effect on performance and maintainability is just not worth the easy ride they give the report writer. Nine times out of ten reporting requirements can be met using a little forethought and planning (and a solid understanding of formulas). With that said, there are a few novel ways of using sub reports which will not affect performance and actually prove a boon to the developer.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Crystal Reports: 3 New Uses For Sub Reports

  I hate sub reports and always consider them the last resort in any reporting solution. The negative effect on performance and maintainability is just not worth the easy ride they give the report writer. Nine times out of ten reporting requirements can be met using a little forethought and planning (and a solid understanding of formulas). With that said, there are a few novel ways of using sub reports which will not affect performance and actually prove a boon to the developer.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• LEGO Ornaments Bring Geeky DIY Charm to Your Holiday Decorating

  - by Jason Fitzpatrick

  Why settle for just a Death Star ornament when you can have a Death Star ornament you built yourself from LEGO? These DIY ornaments are a perfect geeky touch for your tree or gift for a LEGO loving friend. Courtesy of Chris McVeigh, we find nine DIY ornament guides that range from traditional (like teardrop ornaments and bulbs) to geeky (like Death Stars and Millennium Falcons). Hit up the link below to check out all the files and order the brick collections right through LEGO’s Pick a Brick service. LEGO Ornaments [via Geeks Are Sexy] HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full

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• How do you cope mentally with one very long piece of work

  - by Asher Einhorn

  This is my first games industry job and my task is to take out one major game component and put in a newer one. So far it's been 5 weeks, and I'm still just staring at errors. I think it could be months before it's at the point that it can compile. It's really getting me down. I'm just changing things over, I'm not really writing anything myself. it's just endless. I fix a thousand errors and nine thousand take their place. I'm sure this must be a common thing, so I was just wondering, how do you cope with this? It doesn't seem like I can break it down into little chunks at all.

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• Presenting Beginning PowerShell at SQL Saturday 149 MN

  - by merrillaldrich

  I am happy to be presenting a session on beginning PowerShell for DBAs at my new home town’s SQL Saturday! (I moved from Seattle to Saint Paul, MN a short time ago.) I will be sharpening this presentation up to make sure anyone who comes will not go away empty handed. BTW, WOW, the schedule is up and I must admit I did not expect nine tracks of awesome. This looks amazing. My session is geared toward helping those DBAs who have not seen PowerShell, or perhaps may find PowerShell syntax opaque or...(read more)

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• Dropdowns revisited

  For my DIBI presentationI need a dropdown menu (in order to compare it on desktop and mobile), so I wrote one.Point is, it took me thirty lines of JavaScript, nine of which only contain a closing },and three of which deal with the fact that bloody Firefox still doesn’t support contains().Net amount of lines: 18. Can somebody please remind me why we all used to think dropdownsare so extremely complicated? I can’t for the life of me figure it out.window.onload = function () { document.getElementById('dropdown').onmouseover...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Presenting at SharePoint Saturday The Conference in DC: August 11-13

  - by Enrique Lima

  Yesterday morning I received the wonderful news on my sessions proposal being accepted.  With that said, I will be presenting at the SharePoint Saturday The Conference. My session: Requirements Management: From Vision to Mission to Success I will be discussing the way and options in which Team Foundation Server and the SharePoint platform work together to provide a Requirements Management solution. Now, are you going to attend? I think you should!  The have extended the registration early bird price of $39.00, yes Thirty Nine bucks!!! The speaker roster is amazing, the content looks amazing! So, come on … Join Us!

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• Having trouble's understanding NIF model file format?

  - by NoobScratcher

  I'm attempting too develop a 3rd party application to make it easy to import 3d model part's into my mod for skyrim the plan was to have a fileviewer and preview window of the nif model but since , I don't know what the NIF file format actually is or where to get the vertex data from it or the hole nine yards of parsing a text file in detail I'm at a lost what to do. I'm very good at C++ but not at this super over complicated file formats , id much prefer .obj over the nif file format specification here -- http://niftools.sourceforge.net/doc/nif/index.html If someone could help me in understanding the file format in a natural and simple way and the exact parsing needed to create the 3D Model in the frustum and a explanation on how you figured that out would be happy to know. I use cygwin , notepad++ , win32 7

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• Podcast site - Serve audio files with CDN

  - by Bobe

  I am managing a small podcast website hosted on a shared server. Currently there are only eight or nine episodes, each of which are about 50 MB, so bandwidth is not really an issue at the moment. However, looking forward, would it be feasible to use a "free" CDN like Cloudflare to serve the audio files? If so, how would I set this up? I took a quick look at it before, and it seems you have to have your whole site routed (is that the right term?) through the CDN rather than just specific files or filetypes. I'd like some clarification on this.

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• After one has made many grid based puzzles how does one make then into a PDF ready for printing

  - by alan ross

  After one has generated many grid based puzzles like sudoku, kakuro or even plain crosswords and now one has to print them in a book. How does one make a pdf (book file) from them automatically. To explain the question better. One has the puzzle ready in computer format like ..35.6.89 for all nine rows. The dot being the empty cell. How does one convert then to a picture on a PDF page complete with box, automatically without doing them individually and then print a book from the pdf file. As can be seen there are other things also printed on the page all this is done automatically.

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• Unit testing multiple conditions in an IF statement

  - by bwalk2895

  I have a chunk of code that looks something like this: function bool PassesBusinessRules() { bool meetsBusinessRules = false; if (PassesBusinessRule1 && PassesBusinessRule2 && PassesBusinessRule3) { meetsBusinessRules= true; } return meetsBusinessRules; } I believe there should be four unit tests for this particular function. Three to test each of the conditions in the if statement and ensure it returns false. And another test that makes sure the function returns true. Question: Should there actually be ten unit tests instead? Nine that checks each of the possible failure paths. IE: False False False False False True False True False And so on for each possible combination. I think that is overkill, but some of the other members on my team do not. The way I look at it is if BusinessRule1 fails then it should always return false, it doesn't matter if it was checked first or last.

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• Oracle HCM World: Evite Now Available! February 4-6, Las Vegas

  - by Roxana Babiciu

  Add that personal touch by inviting your human capital management partners to HCM World with our new evite! Oracle HCM World is where HR, talent management and technology intersect. This is the event for HCM professionals, whether they are involved in recruiting and staffing, learning and development, compensation and benefits, or any other aspect of HR. Nine tracks and more than 90 sessions will unveil invaluable strategy and best practices to more than 1,500 attendees. Mark Hurd and David Rock, industry luminary and CRO of NeuroLeadership Group are both confirmed as keynote speakers. The call for papers deadline has been extended to November 15 and early bird registration ends November 22. Visit the HCM World website and Field Flash for more information.

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• minimax depth first search game tree

  - by Arvind

  Hi I want to build a game tree for nine men's morris game. I want to apply minimax algorithm on the tree for doing node evaluations. Minimax uses DFS to evaluate nodes. So should I build the tree first upto a given depth and then apply minimax or can the process of building the tree and evaluation occur together in recursive minimax DFS? Thank you Arvind

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• Enum values doubts?

  - by maddy

  Hi all, Is there any possible way to do any arithmetic operations on enum values enum Type{Zero=0,One,Two,Three,Four,Five,Six,Seven,Eight,Nine}; main() { enum Type Var = Zero; for(int i=0;i<10;i++) { switch(Var) { case Zero: /*do something*/ case One: /*Do something*/ ..... } Var++;(I know that this increment is not possible,But is there anyway by which we can have this variable named Var increment. regards maddy

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• C++ enum in foreach

  - by Spencer

  I've have a card class for a blackjack game with the following enums: enum Rank { Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King }; enum Suit { Clubs, Diamonds, Hearts, Spades }; When I create the deck I want to write the code like this: // foreach Suit in Card::Suit // foreach Rank in Card::Rank // add new card(rank, suit) to deck I believe there is no foreach in c++. However, how do I traverse an enum? Thanks, Spencer

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• Convert number into words using flex.

  - by charlie

  Hi I am trying to convert an entry using a numeric stepper in flex into words to display in a textarea. i.e a user uses the stepper to enter "89" as a value and in the text area the words "Eighty nine" are displayed. After much searching i haven't found anything that helps - a few javascript functions but that is all. any help sample code would be much appreciated. thanks in advance.

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• How do I map common properties in NHibernate

  - by Ian Oakes

  In the database I'm working with, every table repeats the same nine columns and I don't want to have to supply the same properties in each of my entities to map these columns. I've tried adding properties to a common base class and adding them to the sub class's mapping file, but this doesn't work. I've read the documentation around inheritance mapping but this did not help. What is the best way to map columns that repeat accross multiple tables in NHibernate?

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• How can I hide the resizing handles of a control in Windows Forms?

  - by Miguel Angelo

  I have an UserControl and would like to hide the resizing handles in design-time, just like the TextBoxControl, that has only two handles (left and right ones)... the height of the textbox is fixed, unless you say it is multiline. In that case, the textbox shows all nine resizing handles.

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• Why is RAISERROR misspelled? Or is it not?

  - by Jason

  Why isn't RAISERROR spelled RAISEERROR? Where is the second E? I could understand if it were some ancient keyword length constraint, but I wouldn't expect it to be a nine-character limit. Is RAIS or RROR a technical word such that "raise-error" is just a mis-reading? Are its (immediate) origins in a different language? I've searched Google but not finding much on the subject.

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• What is the most common song lyrics used for check-in notes in a version control system? [closed]

  - by Registered User

  What is the most common song lyrics used for check-in notes in a version control system? I usually fall back on David Bowie's Changes lyrics, but I've seen check-in descriptions from another programmer who liked to use random Nine Inch Nails and Stabbing Westward lyrics.

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• How to read textarea with certain condition

  - by user281180

  I have a textarea in which the user enters the following data: Paul:Nine, Rome Jenny:Five, India Bob I want to read the data and store the values before the colon in an array and the values after the colon in another array. Please note that the user may not enter values after the colon like in case 3 above. In such case, the value must be stored in the first array as if it is before the colon. How can I do that using jquery?

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• How to encode a 8 byte block using only digits (numeric characters)?

  - by Hemant

  I need to encode streams of 8 byte such that encoded stream has only digits (zero to nine) in them. Are their any standard encoding mechanism for doing this? If there are multiple ways to do it, which one is efficient in terms of length of encoded string (shorter is better)?

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• DataSet does not support System.Nullable<>

  - by a_m0d

  I'm trying to set the DataSource for a Crystal Reports report, but I've run into a few problems. I've been following a guide written by Mohammad Mahdi Ramezanpour, and have managed to get all the way to the last part now (setting the DataSource). However, I have a problem that Mohammad does not seem to have - when I pass the results of my query to the report, I end up with the following exception: DataSet does not support System.Nullable< This is the query I am using: public IQueryable<Part> GetPartsToDisplayOnStockReport() { return from part in db.Parts where part.showOnStockReport == true select part; } and the way I pass it to the Report: public ActionResult ViewStockReport() { StockReport stockReport = new StockReport(); var parts = ordersRepository.GetPartsToDisplayOnStockReport().ToList(); stockReport.SetDataSource(parts); Stream stream = stockReport.ExportToStream(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat); return File(stream, "application/pdf"); } I have also tried changing my query to this code, in the hope that it would fix my problem: return (from part in db.Parts where part.showOnStockReport == true select part) ?? db.Parts.DefaultIfEmpty(); but it still complained about the same problem. How can I pass the results of this query to my report, to use it as a data source? Also, if each of my Parts object contains other objects / collections of other objects, will I be able to reference them in the report with a datasource like this?

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• Microsoft Office document is "locked for editing by 'another user'"

  - by Chris

  A few of my users are in and out of various Excel 2007 spreadsheets all day. One of them reports that "50% of the time" she tries to open a spreadsheet from the file server, an information message comes up stating: foo.xlsx is locked for editing by 'another user'. Open "Read-Only" or click "Notify" to open read-only and receive notification when the document is no longer in use. Nine times out of ten the document is not open by another user. My users immediately try to open the same document again, and it works. I imagine this is caused by Excel leaving owner files on the server, but I do not know why. An added clue: When one of my users selects "Notify," a dialog pops up in a moment informing them the file is available for them to edit. Any guidance on how to solve this issue and make my users' days flow better?

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