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• NTFS Corruption: Files created in Linux corrupted when Windows Boots

  - by Logan Mayfield

  I'm getting some file loss and corruption on my Win7/Ubuntu 12.04 dual boot setup. I have a large shared NTFS partition. I have my Windows Docs/Music/etc. directories on that file and have the comparable directors in Linux setup as a sym. link. I'm using ntfs-3g on the linux side of things to manage the ntfs partition. The shared partition is on a logical partition along with my Linux /home / and /swap partitions. The ntfs partition is mounted at boot time via fstab with the following options: ntfs-3g users,nls=utf8,locale=en_US.UTF-8,exec,rw The problem seems to be confined to newly created and recently edited files. I have not see data loss or corruption when creating/editing files in Windows and then moving over to Ubuntu. I've been using the sync command aggressively in Ubuntu to try to ensure everything is getting written to the HDD. I do not use hibernate in Windows so I know it's not the usual missing files due to Hibernation problem. I'm not seeing any mount related issues on dmesg. Most recently I had a set of files related to a LaTeX document go bad. Some of them show up in Ubuntu but I am unable to delete them. In the GUI file browser they are given thumbnails associated with files I created on my last boot of Windows. To be more specific: I created a few png files in Windows. The files corrupted by that Windows boot are associated with running PdfLatex on a file and are not image files. However, two of the corrupted files show up with the thumbnail image of one of the previously mentioned png files. The png files are not in the same directory as the latex files but they are both win the Document Folder tree. I've had sucess with using NTFS for shared data in the past and am hoping there's some quirk here I'm missing and it's not just bad luck. On one hand this appears to be some kind of Windows problem as data loss occurs when I boot to Windows after having worked in Ubuntu for a while. However, I'm assuming it's more on the Ubuntu end as it requires the special NTFS drivers. Edit for more info: This is a Lenovo Thinkpad L430. Purchased new in the last month. So it's a fairly fresh install. Many of the files on the shared partition were copied over from a previous NTFS formatted shared partition on another HDD. As requested: here's a sample chkdsk log. Some of the files its mentioning were files that got deleted off the partition while in Ubuntu. Others were created/edited but not deleted. Checking file system on D: Volume dismounted. All opened handles to this volume are now invalid. Volume label is Files. CHKDSK is verifying files (stage 1 of 3)... Attribute record of type 0x80 and instance tag 0x2 is cross linked starting at 0x789f47 for possibly 0x21 clusters. Some clusters occupied by attribute of type 0x80 and instance tag 0x2 in file 0x42 is already in use. Deleting corrupt attribute record (128, "") from file record segment 66. 86496 file records processed. File verification completed. 385 large file records processed. 0 bad file records processed. 0 EA records processed. 0 reparse records processed. CHKDSK is verifying indexes (stage 2 of 3)... Deleted invalid filename Screenshot from 2012-09-09 09:51:27.png (72) in directory 46. The NTFS file name attribute in file 0x48 is incorrect. 53 00 63 00 72 00 65 00 65 00 6e 00 73 00 68 00 S.c.r.e.e.n.s.h. 6f 00 74 00 20 00 66 00 72 00 6f 00 6d 00 20 00 o.t. .f.r.o.m. . 32 00 30 00 31 00 32 00 2d 00 30 00 39 00 2d 00 2.0.1.2.-.0.9.-. 30 00 39 00 20 00 30 00 39 00 3a 00 35 00 31 00 0.9. .0.9.:.5.1. 3a 00 32 00 37 00 2e 00 70 00 6e 00 67 00 0d 00 :.2.7...p.n.g... 00 00 00 00 00 00 90 94 49 1f 5e 00 00 80 d4 00 ......I.^.... File 72 has been orphaned since all its filenames were invalid Windows will recover the file in the orphan recovery phase. Correcting minor file name errors in file 72. Index entry found.000 of index $I30 in file 0x5 points to unused file 0x11. Deleting index entry found.000 in index $I30 of file 5. Index entry found.001 of index $I30 in file 0x5 points to unused file 0x16. Deleting index entry found.001 in index $I30 of file 5. Index entry found.002 of index $I30 in file 0x5 points to unused file 0x15. Deleting index entry found.002 in index $I30 of file 5. Index entry DOWNLO~1 of index $I30 in file 0x28 points to unused file 0x2b6. Deleting index entry DOWNLO~1 in index $I30 of file 40. Unable to locate the file name attribute of index entry Screenshot from 2012-09-09 09:51:27.png of index $I30 with parent 0x2e in file 0x48. Deleting index entry Screenshot from 2012-09-09 09:51:27.png in index $I30 of file 46. An index entry of index $I30 in file 0x32 points to file 0x151e8 which is beyond the MFT. Deleting index entry latexsheet.tex in index $I30 of file 50. An index entry of index $I30 in file 0x58bc points to file 0x151eb which is beyond the MFT. Deleting index entry D8CZ82PK in index $I30 of file 22716. An index entry of index $I30 in file 0x58bc points to file 0x151f7 which is beyond the MFT. Deleting index entry EGA4QEAX in index $I30 of file 22716. An index entry of index $I30 in file 0x58bc points to file 0x151e9 which is beyond the MFT. Deleting index entry NGTB469M in index $I30 of file 22716. An index entry of index $I30 in file 0x58bc points to file 0x151fb which is beyond the MFT. Deleting index entry WU5RKXAB in index $I30 of file 22716. Index entry comp220-lab3.synctex.gz of index $I30 in file 0xda69 points to unused file 0xd098. Deleting index entry comp220-lab3.synctex.gz in index $I30 of file 55913. Unable to locate the file name attribute of index entry comp220-numberGrammars.aux of index $I30 with parent 0xda69 in file 0xa276. Deleting index entry comp220-numberGrammars.aux in index $I30 of file 55913. The file reference 0x500000000cd43 of index entry comp220-numberGrammars.out of index $I30 with parent 0xda69 is not the same as 0x600000000cd43. Deleting index entry comp220-numberGrammars.out in index $I30 of file 55913. The file reference 0x500000000cd45 of index entry comp220-numberGrammars.pdf of index $I30 with parent 0xda69 is not the same as 0xc00000000cd45. Deleting index entry comp220-numberGrammars.pdf in index $I30 of file 55913. An index entry of index $I30 in file 0xda69 points to file 0x15290 which is beyond the MFT. Deleting index entry gram.aux in index $I30 of file 55913. An index entry of index $I30 in file 0xda69 points to file 0x15291 which is beyond the MFT. Deleting index entry gram.out in index $I30 of file 55913. An index entry of index $I30 in file 0xda69 points to file 0x15292 which is beyond the MFT. Deleting index entry gram.pdf in index $I30 of file 55913. Unable to locate the file name attribute of index entry comp230-quiz1.synctex.gz of index $I30 with parent 0xda6f in file 0xd183. Deleting index entry comp230-quiz1.synctex.gz in index $I30 of file 55919. An index entry of index $I30 in file 0xf3cc points to file 0x15283 which is beyond the MFT. Deleting index entry require-transform.rkt in index $I30 of file 62412. An index entry of index $I30 in file 0xf3cc points to file 0x15284 which is beyond the MFT. Deleting index entry set.rkt in index $I30 of file 62412. An index entry of index $I30 in file 0xf497 points to file 0x15280 which is beyond the MFT. Deleting index entry logger.rkt in index $I30 of file 62615. An index entry of index $I30 in file 0xf497 points to file 0x15281 which is beyond the MFT. Deleting index entry misc.rkt in index $I30 of file 62615. An index entry of index $I30 in file 0xf497 points to file 0x15282 which is beyond the MFT. Deleting index entry more-scheme.rkt in index $I30 of file 62615. An index entry of index $I30 in file 0xf5bf points to file 0x15285 which is beyond the MFT. Deleting index entry core-layout.rkt in index $I30 of file 62911. An index entry of index $I30 in file 0xf5e0 points to file 0x15286 which is beyond the MFT. Deleting index entry ref.scrbl in index $I30 of file 62944. An index entry of index $I30 in file 0xf6f0 points to file 0x15287 which is beyond the MFT. Deleting index entry base-render.rkt in index $I30 of file 63216. An index entry of index $I30 in file 0xf6f0 points to file 0x15288 which is beyond the MFT. Deleting index entry html-properties.rkt in index $I30 of file 63216. An index entry of index $I30 in file 0xf6f0 points to file 0x15289 which is beyond the MFT. Deleting index entry html-render.rkt in index $I30 of file 63216. An index entry of index $I30 in file 0xf6f0 points to file 0x1528b which is beyond the MFT. Deleting index entry latex-prefix.rkt in index $I30 of file 63216. An index entry of index $I30 in file 0xf6f0 points to file 0x1528c which is beyond the MFT. Deleting index entry latex-render.rkt in index $I30 of file 63216. An index entry of index $I30 in file 0xf6f0 points to file 0x1528e which is beyond the MFT. Deleting index entry scribble.tex in index $I30 of file 63216. An index entry of index $I30 in file 0xf717 points to file 0x1528a which is beyond the MFT. Deleting index entry lang.rkt in index $I30 of file 63255. An index entry of index $I30 in file 0xf721 points to file 0x1528d which is beyond the MFT. Deleting index entry lang.rkt in index $I30 of file 63265. An index entry of index $I30 in file 0xf764 points to file 0x1528f which is beyond the MFT. Deleting index entry lang.rkt in index $I30 of file 63332. An index entry of index $I30 in file 0x14261 points to file 0x15270 which is beyond the MFT. Deleting index entry fddff3ae9ae2221207f144821d475c08ec3d05 in index $I30 of file 82529. An index entry of index $I30 in file 0x14621 points to file 0x15268 which is beyond the MFT. Deleting index entry FETCH_HEAD in index $I30 of file 83489. An index entry of index $I30 in file 0x14650 points to file 0x15272 which is beyond the MFT. Deleting index entry 86 in index $I30 of file 83536. An index entry of index $I30 in file 0x14651 points to file 0x15266 which is beyond the MFT. Deleting index entry pack-7f54ce9f8218d2cd8d6815b8c07461b50584027f.idx in index $I30 of file 83537. An index entry of index $I30 in file 0x14651 points to file 0x15265 which is beyond the MFT. Deleting index entry pack-7f54ce9f8218d2cd8d6815b8c07461b50584027f.pack in index $I30 of file 83537. An index entry of index $I30 in file 0x146f1 points to file 0x15275 which is beyond the MFT. Deleting index entry master in index $I30 of file 83697. An index entry of index $I30 in file 0x146f6 points to file 0x15276 which is beyond the MFT. Deleting index entry remotes in index $I30 of file 83702. An index entry of index $I30 in file 0x1477d points to file 0x15278 which is beyond the MFT. Deleting index entry pad.rkt in index $I30 of file 83837. An index entry of index $I30 in file 0x14797 points to file 0x1527c which is beyond the MFT. Deleting index entry pad1.rkt in index $I30 of file 83863. An index entry of index $I30 in file 0x14810 points to file 0x1527d which is beyond the MFT. Deleting index entry cm.rkt in index $I30 of file 83984. An index entry of index $I30 in file 0x14926 points to file 0x1527e which is beyond the MFT. Deleting index entry multi-file-search.rkt in index $I30 of file 84262. An index entry of index $I30 in file 0x149ef points to file 0x1527f which is beyond the MFT. Deleting index entry com.rkt in index $I30 of file 84463. An index entry of index $I30 in file 0x14b47 points to file 0x15202 which is beyond the MFT. Deleting index entry COMMIT_EDITMSG in index $I30 of file 84807. An index entry of index $I30 in file 0x14b47 points to file 0x15279 which is beyond the MFT. Deleting index entry index in index $I30 of file 84807. An index entry of index $I30 in file 0x14b4c points to file 0x15274 which is beyond the MFT. Deleting index entry master in index $I30 of file 84812. An index entry of index $I30 in file 0x14b61 points to file 0x1520b which is beyond the MFT. Deleting index entry 02 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x1525a which is beyond the MFT. Deleting index entry 28 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15208 which is beyond the MFT. Deleting index entry 29 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x1521f which is beyond the MFT. Deleting index entry 2c in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15261 which is beyond the MFT. Deleting index entry 2e in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x151f0 which is beyond the MFT. Deleting index entry 45 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x1523e which is beyond the MFT. Deleting index entry 47 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x151e5 which is beyond the MFT. Deleting index entry 49 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15214 which is beyond the MFT. Deleting index entry 58 in index $I30 of file 84833. Index entry 6e of index $I30 in file 0x14b61 points to unused file 0xd182. Deleting index entry 6e in index $I30 of file 84833. Unable to locate the file name attribute of index entry a0 of index $I30 with parent 0x14b61 in file 0xd29c. Deleting index entry a0 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x1521b which is beyond the MFT. Deleting index entry cd in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15249 which is beyond the MFT. Deleting index entry d6 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15242 which is beyond the MFT. Deleting index entry df in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x15227 which is beyond the MFT. Deleting index entry ea in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x1522e which is beyond the MFT. Deleting index entry f3 in index $I30 of file 84833. An index entry of index $I30 in file 0x14b61 points to file 0x151f2 which is beyond the MFT. Deleting index entry ff in index $I30 of file 84833. An index entry of index $I30 in file 0x14b62 points to file 0x15254 which is beyond the MFT. Deleting index entry 1ed39b36ad4bd48c91d22cbafd7390f1ea38da in index $I30 of file 84834. An index entry of index $I30 in file 0x14b75 points to file 0x15224 which is beyond the MFT. Deleting index entry 96260247010fe9811fea773c08c5f3a314df3f in index $I30 of file 84853. An index entry of index $I30 in file 0x14b79 points to file 0x15219 which is beyond the MFT. Deleting index entry 8f689724ca23528dd4f4ab8b475ace6edcb8f5 in index $I30 of file 84857. An index entry of index $I30 in file 0x14b7c points to file 0x15223 which is beyond the MFT. Deleting index entry 1df17cf850656be42c947cba6295d29c248d94 in index $I30 of file 84860. An index entry of index $I30 in file 0x14b7c points to file 0x15217 which is beyond the MFT. Deleting index entry 31db8a3c72a3e44769bbd8db58d36f8298242c in index $I30 of file 84860. An index entry of index $I30 in file 0x14b7c points to file 0x15267 which is beyond the MFT. Deleting index entry 8e1254d755ff1882d61c07011272bac3612f57 in index $I30 of file 84860. An index entry of index $I30 in file 0x14b82 points to file 0x15246 which is beyond the MFT. Deleting index entry f959bfaf9643c1b9e78d5ecf8f669133efdbf3 in index $I30 of file 84866. An index entry of index $I30 in file 0x14b88 points to file 0x151fe which is beyond the MFT. Deleting index entry 7e9aa15b1196b2c60116afa4ffa613397f2185 in index $I30 of file 84872. An index entry of index $I30 in file 0x14b8a points to file 0x151ea which is beyond the MFT. Deleting index entry 73cb0cd248e494bb508f41b55d862e84cdd6e0 in index $I30 of file 84874. An index entry of index $I30 in file 0x14b8e points to file 0x15264 which is beyond the MFT. Deleting index entry bd555d9f0383cc14c317120149e9376a8094c4 in index $I30 of file 84878. An index entry of index $I30 in file 0x14b96 points to file 0x15212 which is beyond the MFT. Deleting index entry 630dba40562d991bc6cbb6fed4ba638542e9c5 in index $I30 of file 84886. An index entry of index $I30 in file 0x14b99 points to file 0x151ec which is beyond the MFT. Deleting index entry 478be31ca8e538769246e22bba3330d81dc3c8 in index $I30 of file 84889. An index entry of index $I30 in file 0x14b99 points to file 0x15258 which is beyond the MFT. Deleting index entry 66c60c0a0f3253bc9a5112697e4cbb0dfc0c78 in index $I30 of file 84889. An index entry of index $I30 in file 0x14b9c points to file 0x15238 which is beyond the MFT. Deleting index entry 1c7ceeddc2953496f9ffbfc0b6fb28846e3fe3 in index $I30 of file 84892. An index entry of index $I30 in file 0x14b9c points to file 0x15247 which is beyond the MFT. Deleting index entry ae6e32ffc49d897d8f8aeced970a90d3653533 in index $I30 of file 84892. An index entry of index $I30 in file 0x14ba0 points to file 0x15233 which is beyond the MFT. Deleting index entry f71c7d874e45179a32e138b49bf007e5bbf514 in index $I30 of file 84896. Index entry 2e04fefbd794f050d45e7a717d009e39204431 of index $I30 in file 0x14ba7 points to unused file 0xd097. Deleting index entry 2e04fefbd794f050d45e7a717d009e39204431 in index $I30 of file 84903. An index entry of index $I30 in file 0x14baa points to file 0x15241 which is beyond the MFT. Deleting index entry 0dda7dec1c635cd646dfef308e403c2843d5dc in index $I30 of file 84906. An index entry of index $I30 in file 0x14baa points to file 0x151fc which is beyond the MFT. Deleting index entry 98151e654dd546edcfdec630bc82d90619ac8e in index $I30 of file 84906. An index entry of index $I30 in file 0x14bb1 points to file 0x151e9 which is beyond the MFT. Deleting index entry 1997c5be62ffeebc99253cced7608415e38e4e in index $I30 of file 84913. An index entry of index $I30 in file 0x14bb1 points to file 0x1521d which is beyond the MFT. Deleting index entry 6bf3aedefd3ac62d9c49cad72d05e8c0ad242c in index $I30 of file 84913. An index entry of index $I30 in file 0x14bb1 points to file 0x151f4 which is beyond the MFT. Deleting index entry 907b755afdca14c00be0010962d0861af29264 in index $I30 of file 84913. An index entry of index $I30 in file 0x14bb3 points to file 0x15218 which is beyond the MFT. Deleting index entry

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• SSIS - XML Source Script

  - by simonsabin

  The XML Source in SSIS is great if you have a 1 to 1 mapping between entity and table. You can do more complex mapping but it becomes very messy and won't perform. What other options do you have? The challenge with XML processing is to not need a huge amount of memory. I remember using the early versions of Biztalk with loaded the whole document into memory to map from one document type to another. This was fine for small documents but was an absolute killer for large documents. You therefore need a streaming approach. For flexibility however you want to be able to generate your rows easily, and if you've ever used the XmlReader you will know its ugly code to write. That brings me on to LINQ. The is an implementation of LINQ over XML which is really nice. You can write nice LINQ queries instead of the XMLReader stuff. The downside is that by default LINQ to XML requires a whole XML document to work with. No streaming. Your code would look like this. We create an XDocument and then enumerate over a set of annoymous types we generate from our LINQ statement XDocument x = XDocument.Load("C:\\TEMP\\CustomerOrders-Attribute.xml");   foreach (var xdata in (from customer in x.Elements("OrderInterface").Elements("Customer")                        from order in customer.Elements("Orders").Elements("Order")                        select new { Account = customer.Attribute("AccountNumber").Value                                   , OrderDate = order.Attribute("OrderDate").Value }                        )) {     Output0Buffer.AddRow();     Output0Buffer.AccountNumber = xdata.Account;     Output0Buffer.OrderDate = Convert.ToDateTime(xdata.OrderDate); } As I said the downside to this is that you are loading the whole document into memory. I did some googling and came across some helpful videos from a nice UK DPE Mike Taulty http://www.microsoft.com/uk/msdn/screencasts/screencast/289/LINQ-to-XML-Streaming-In-Large-Documents.aspx. Which show you how you can combine LINQ and the XmlReader to get a semi streaming approach. I took what he did and implemented it in SSIS. What I found odd was that when I ran it I got different numbers between using the streamed and non streamed versions. I found the cause was a little bug in Mikes code that causes the pointer in the XmlReader to progress past the start of the element and thus foreach (var xdata in (from customer in StreamReader("C:\\TEMP\\CustomerOrders-Attribute.xml","Customer")                                from order in customer.Elements("Orders").Elements("Order")                                select new { Account = customer.Attribute("AccountNumber").Value                                           , OrderDate = order.Attribute("OrderDate").Value }                                ))         {             Output0Buffer.AddRow();             Output0Buffer.AccountNumber = xdata.Account;             Output0Buffer.OrderDate = Convert.ToDateTime(xdata.OrderDate);         } These look very similiar and they are the key element is the method we are calling, StreamReader. This method is what gives us streaming, what it does is return a enumerable list of elements, because of the way that LINQ works this results in the data being streamed in. static IEnumerable<XElement> StreamReader(String filename, string elementName) {     using (XmlReader xr = XmlReader.Create(filename))     {         xr.MoveToContent();         while (xr.Read()) //Reads the first element         {             while (xr.NodeType == XmlNodeType.Element && xr.Name == elementName)             {                 XElement node = (XElement)XElement.ReadFrom(xr);                   yield return node;             }         }         xr.Close();     } } This code is specifically designed to return a list of the elements with a specific name. The first Read reads the root element and then the inner while loop checks to see if the current element is the type we want. If not we do the xr.Read() again until we find the element type we want. We then use the neat function XElement.ReadFrom to read an element and all its sub elements into an XElement. This is what is returned and can be consumed by the LINQ statement. Essentially once one element has been read we need to check if we are still on the same element type and name (the inner loop) This was Mikes mistake, if we called .Read again we would advance the XmlReader beyond the start of the Element and so the ReadFrom method wouldn't work. So with the code above you can use what ever LINQ statement you like to flatten your XML into the rowsets you want. You could even have multiple outputs and generate your own surrogate keys.        

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• AspNetCompatibility in WCF Services &ndash; easy to trip up

  - by Rick Strahl

  This isn’t the first time I’ve hit this particular wall: I’m creating a WCF REST service for AJAX callbacks and using the WebScriptServiceHostFactory host factory in the service: <%@ ServiceHost Language="C#" Service="WcfAjax.BasicWcfService" CodeBehind="BasicWcfService.cs" Factory="System.ServiceModel.Activation.WebScriptServiceHostFactory" %>   to avoid all configuration. Because of the Factory that creates the ASP.NET Ajax compatible format via the custom factory implementation I can then remove all of the configuration settings that typically get dumped into the web.config file. However, I do want ASP.NET compatibility so I still leave in: <system.serviceModel> <serviceHostingEnvironment aspNetCompatibilityEnabled="true"/> </system.serviceModel> in the web.config file. This option allows you access to the HttpContext.Current object to effectively give you access to most of the standard ASP.NET request and response features. This is not recommended as a primary practice but it can be useful in some scenarios and in backwards compatibility scenerios with ASP.NET AJAX Web Services. Now, here’s where things get funky. Assuming you have the setting in web.config, If you now declare a service like this: [ServiceContract(Namespace = "DevConnections")] #if DEBUG [ServiceBehavior(IncludeExceptionDetailInFaults = true)] #endif public class BasicWcfService (or by using an interface that defines the service contract) you’ll find that the service will not work when an AJAX call is made against it. You’ll get a 500 error and a System.ServiceModel.ServiceActivationException System error. Worse even with the IncludeExceptionDetailInFaults enabled you get absolutely no indication from WCF what the problem is. So what’s the problem?  The issue is that once you specify aspNetCompatibilityEnabled=”true” in the configuration you *have to* specify the AspNetCompatibilityRequirements attribute and one of the modes that enables or at least allows for it. You need either Required or Allow: [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)] without it the service will simply fail without further warning. It will also fail if you set the attribute value to NotAllowed. The following also causes the service to fail as above: [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.NotAllowed)] This is not totally unreasonable but it’s a difficult issue to debug especially since the configuration setting is global – if you have more than one service and one requires traditional ASP.NET access and one doesn’t then both must have the attribute specified. This is one reason why you’d want to avoid using this functionality unless absolutely necessary. WCF REST provides some basic access to some of the HTTP features after all, although what’s there is severely limited. I also wish that ServiceActivation errors would provide more error information. Getting an Activation error without further info on what actually is wrong is pretty worthless especially when it is a technicality like a mismatched configuration/attribute setting like this.© Rick Strahl, West Wind Technologies, 2005-2010Posted in ASP.NET  WCF  AJAX  

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• Are CSS sprites bad for SEO?

  - by UpTheCreek

  Nowadays often what was accomplished with an <img> tag is now done with something like a <div> with a Css background image set using a CSS 'sprite' and an offset. I was wondering what kind of an effect his has on SEO, as effectively we lose the alt attribute (which is indexed by google), and are stuck with the 'title' attribute (which as far as I understand is not indexed). Is this a significant dissadvantage?

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• Accessing SharePoint 2010 Data with REST/OData on Windows Phone 7

  - by Jan Tielens

  Consuming SharePoint 2010 data in Windows Phone 7 applications using the CTP version of the developer tools is quite a challenge. The issue is that the SharePoint 2010 data is not anonymously available; users need to authenticate to be able to access the data. When I first tried to access SharePoint 2010 data from my first Hello-World-type Windows Phone 7 application I thought “Hey, this should be easy!” because Windows Phone 7 development based on Silverlight and SharePoint 2010 has a Client Object Model for Silverlight. Unfortunately you can’t use the Client Object Model of SharePoint 2010 on the Windows Phone platform; there’s a reference to an assembly that’s not available (System.Windows.Browser). My second thought was “OK, no problem!” because SharePoint 2010 also exposes a REST/OData API to access SharePoint data. Using the REST API in SharePoint 2010 is as easy as making a web request for a URL (in which you specify the data you’d like to retrieve), e.g. http://yoursiteurl/_vti_bin/listdata.svc/Announcements. This is very easy to accomplish in a Silverlight application that’s running in the context of a page in a SharePoint site, because the credentials of the currently logged on user are automatically picked up and passed to the WCF service. But a Windows Phone application is of course running outside of the SharePoint site’s page, so the application should build credentials that have to be passed to SharePoint’s WCF service. This turns out to be a small challenge in Silverlight 3, the WebClient doesn’t support authentication; there is a Credentials property but when you set it and make the request you get a NotImplementedException exception. Probably this issued will be solved in the very near future, since Silverlight 4 does support authentication, and there’s already a WCF Data Services download that uses this new platform feature of Silverlight 4. So when Windows Phone platform switches to Silverlight 4, you can just use the WebClient to get the data. Even more, if the OData Client Library for Windows Phone 7 gets updated after that, things should get even easier! By the way: the things I’m writing in this paragraph are just assumptions that I make which make a lot of sense IMHO, I don’t have any info all of this will happen, but I really hope so. So are SharePoint developers out of the Windows Phone development game until they get this fixed? Well luckily not, when the HttpWebRequest class is being used instead, you can pass credentials! Using the HttpWebRequest class is slightly more complex than using the WebClient class, but the end result is that you have access to your precious SharePoint 2010 data. The following code snippet is getting all the announcements of an Annoucements list in a SharePoint site: HttpWebRequest webReq =     (HttpWebRequest)HttpWebRequest.Create("http://yoursite/_vti_bin/listdata.svc/Announcements");webReq.Credentials = new NetworkCredential("username", "password"); webReq.BeginGetResponse(    (result) => {        HttpWebRequest asyncReq = (HttpWebRequest)result.AsyncState;         XDocument xdoc = XDocument.Load(            ((HttpWebResponse)asyncReq.EndGetResponse(result)).GetResponseStream());         XNamespace ns = "http://www.w3.org/2005/Atom";        var items = from item in xdoc.Root.Elements(ns + "entry")                    select new { Title = item.Element(ns + "title").Value };         this.Dispatcher.BeginInvoke(() =>        {            foreach (var item in items)                MessageBox.Show(item.Title);        });    }, webReq); When you try this in a Windows Phone 7 application, make sure you add a reference to the System.Xml.Linq assembly, because the code uses Linq to XML to parse the resulting Atom feed, so the Title of every announcement is being displayed in a MessageBox. Check out my previous post if you’d like to see a more polished sample Windows Phone 7 application that displays SharePoint 2010 data.When you plan to use this technique, it’s of course a good idea to encapsulate the code doing the request, so it becomes really easy to get the data that you need. In the following code snippet you can find the GetAtomFeed method that gets the contents of any Atom feed, even if you need to authenticate to get access to the feed. delegate void GetAtomFeedCallback(Stream responseStream); public MainPage(){    InitializeComponent();     SupportedOrientations = SupportedPageOrientation.Portrait |         SupportedPageOrientation.Landscape;     string url = "http://yoursite/_vti_bin/listdata.svc/Announcements";    string username = "username";    string password = "password";    string domain = "";     GetAtomFeed(url, username, password, domain, (s) =>    {        XNamespace ns = "http://www.w3.org/2005/Atom";        XDocument xdoc = XDocument.Load(s);         var items = from item in xdoc.Root.Elements(ns + "entry")                    select new { Title = item.Element(ns + "title").Value };         this.Dispatcher.BeginInvoke(() =>        {            foreach (var item in items)            {                MessageBox.Show(item.Title);            }        });    });} private static void GetAtomFeed(string url, string username,     string password, string domain, GetAtomFeedCallback cb){    HttpWebRequest webReq = (HttpWebRequest)HttpWebRequest.Create(url);    webReq.Credentials = new NetworkCredential(username, password, domain);     webReq.BeginGetResponse(        (result) =>        {            HttpWebRequest asyncReq = (HttpWebRequest)result.AsyncState;            HttpWebResponse resp = (HttpWebResponse)asyncReq.EndGetResponse(result);            cb(resp.GetResponseStream());        }, webReq);}

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• How to refactor a Python “god class”?

  - by Zearin

  Problem I’m working on a Python project whose main class is a bit “God Object”. There are so friggin’ many attributes and methods! I want to refactor the class. So Far… For the first step, I want to do something relatively simple; but when I tried the most straightforward approach, it broke some tests and existing examples. Basically, the class has a loooong list of attributes—but I can clearly look over them and think, “These 5 attributes are related…These 8 are also related…and then there’s the rest.” getattr I basically just wanted to group the related attributes into a dict-like helper class. I had a feeling __getattr__ would be ideal for the job. So I moved the attributes to a separate class, and, sure enough, __getattr__ worked its magic perfectly well… At first. But then I tried running one of the examples. The example subclass tries to set one of these attributes directly (at the class level). But since the attribute was no longer “physically located” in the parent class, I got an error saying that the attribute did not exist. @property I then read up about the @property decorator. But then I also read that it creates problems for subclasses that want to do self.x = blah when x is a property of the parent class. Desired Have all client code continue to work using self.whatever, even if the parent’s whatever property is not “physically located” in the class (or instance) itself. Group related attributes into dict-like containers. Reduce the extreme noisiness of the code in the main class. For example, I don’t simply want to change this: larry = 2 curly = 'abcd' moe = self.doh() Into this: larry = something_else('larry') curly = something_else('curly') moe = yet_another_thing.moe() …because that’s still noisy. Although that successfully makes a simply attribute into something that can manage the data, the original had 3 variables and the tweaked version still has 3 variables. However, I would be fine with something like this: stooges = Stooges() And if a lookup for self.larry fails, something would check stooges and see if larry is there. (But it must also work if a subclass tries to do larry = 'blah' at the class level.) Summary Want to replace related groups of attributes in a parent class with a single attribute that stores all the data elsewhere Want to work with existing client code that uses (e.g.) larry = 'blah' at the class level Want to continue to allow subclasses to extend, override, and modify these refactored attributes without knowing anything has changed Is this possible? Or am I barking up the wrong tree?

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• ASP.NET Horizontal Menu Control

  A few weeks ago, I was working on an ASP.NET web application and needed a simple horizontal menu with a submenu. I decided to use ASP.NET's Menu control: Just drag and drop the control on to the page. Simple enough, but the control did not provide access key and target window support on menu items. I have put together a tutorial on how to include an access key attribute, include a target attribute, and include a site map path.

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• Checksum Errors From Hard Disk

  - by Ademos

  After running GSmartControl, I received three checksum errors on my storage hard disk. Error in Attribute Data structure: checksum error Error in Attribute Thresholds structure: checksum error Error in ATA Error Log structure: checksum error Does this indicate a hard disk failure? Because, this is the THIRD TIME I have replaced the same hard disk. (after seeing this error) The hard disk is a Western Digital Caviar Green. (2 TB)

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• Getting Started with jqChart for ASP.NET Web Forms

  - by jqChart

  Official Site | Samples | Download | Documentation | Forum | Twitter Introduction jqChart takes advantages of HTML5 Canvas to deliver high performance client-side charts and graphs across browsers (IE 6+, Firefox, Chrome, Opera, Safari) and devices, including iOS and Android mobile devices. Some of the key features are: High performance rendering. Animaitons. Scrolling/Zoooming. Support for unlimited number of data series and data points. Support for unlimited number of chart axes. True DateTime Axis. Logarithmic and Reversed axis scale. Large set of chart types - Bar, Column, Pie, Line, Spline, Area, Scatter, Bubble, Radar, Polar. Financial Charts - Stock Chart and Candlestick Chart. The different chart types can be easily combined.  System Requirements Browser Support jqChart supports all major browsers: Internet Explorer - 6+ Firefox Google Chrome Opera Safari jQuery version support jQuery JavaScript framework is required. We recommend using the latest official stable version of the jQuery library. Visual Studio Support jqChart for ASP.NET does not require using Visual Studio. You can use your favourite code editor. Still, the product has been tested with several versions of Visual Studio .NET and you can find the list of supported versions below: Visual Studio 2008 Visual Studio 2010 Visual Studio 2012 ASP.NET Web Forms support Supported version - ASP.NET Web Forms 3.5, 4.0 and 4.5 Installation Download and unzip the contents of the archive to any convenient location. The package contains the following folders: [bin] - Contains the assembly DLLs of the product (JQChart.Web.dll) for WebForms 3.5, 4.0 and 4.5. This is the assembly that you can reference directly in your web project (or better yet, add it to your ToolBox and then drag & drop it from there). [js] - The javascript files of jqChart and jqRangeSlider (and the needed libraries). You need to include them in your ASPX page, in order to gain the client side functionality of the chart. The first file is "jquery-1.5.1.min.js" - this is the official jQuery library. jqChart is built upon jQuery library version 1.4.3. The second file you need is the "excanvas.js" javascript file. It is used from the versions of IE, which dosn't support canvas graphics. The third is the jqChart javascript code itself, located in "jquery.jqChart.min.js". The last one is the jqRangeSlider javascript, located in "jquery.jqRangeSlider.min.js". It is used when the chart zooming is enabled. [css] - Contains the Css files that the jqChart and the jqRangeSlider need. [samples] - Contains some examples that use the jqChart. For full list of samples plese visit - jqChart for ASP.NET Samples. [themes] - Contains the themes shipped with the products. It is used from the jqRangeSlider. Since jqRangeSlider supports jQuery UI Themeroller, any theme compatible with jQuery UI ThemeRoller will work for jqRangeSlider as well. You can download any additional themes directly from jQuery UI's ThemeRoller site available here: http://jqueryui.com/themeroller/ or reference them from Microsoft's / Google's CDN. <link rel="stylesheet" type="text/css" media="screen" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.21/themes/smoothness/jquery-ui.css" /> The final result you will have in an ASPX page containing jqChart would be something similar to that (assuming you have copied the [js] to the Script folder and [css] to Content folder of your ASP.NET site respectively). <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="samples_cs.Default" %> <%@ Register Assembly="JQChart.Web" Namespace="JQChart.Web.UI.WebControls" TagPrefix="jqChart" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html > <head runat="server"> <title>jqChart ASP.NET Sample</title> <link rel="stylesheet" type="text/css" href="~/Content/jquery.jqChart.css" /> <link rel="stylesheet" type="text/css" href="~/Content/jquery.jqRangeSlider.css" /> <link rel="stylesheet" type="text/css" href="~/Content/themes/smoothness/jquery-ui-1.8.21.css" /> <script src="<% = ResolveUrl("~/Scripts/jquery-1.5.1.min.js") %>" type="text/javascript"></script> <script src="<% = ResolveUrl("~/Scripts/jquery.jqRangeSlider.min.js") %>" type="text/javascript"></script> <script src="<% = ResolveUrl("~/Scripts/jquery.jqChart.min.js") %>" type="text/javascript"></script> <!--[if IE]><script lang="javascript" type="text/javascript" src="<% = ResolveUrl("~/Scripts/excanvas.js") %>"></script><![endif]--> </head> <body> <form id="form1" runat="server"> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetData" TypeName="SamplesBrowser.Models.ChartData"></asp:ObjectDataSource> <jqChart:Chart ID="Chart1" Width="500px" Height="300px" runat="server" DataSourceID="ObjectDataSource1"> <Title Text="Chart Title"></Title> <Animation Enabled="True" Duration="00:00:01" /> <Axes> <jqChart:CategoryAxis Location="Bottom" ZoomEnabled="true"> </jqChart:CategoryAxis> </Axes> <Series> <jqChart:ColumnSeries XValuesField="Label" YValuesField="Value1" Title="Column"> </jqChart:ColumnSeries> <jqChart:LineSeries XValuesField="Label" YValuesField="Value2" Title="Line"> </jqChart:LineSeries> </Series> </jqChart:Chart> </form> </body> </html>   Official Site | Samples | Download | Documentation | Forum | Twitter

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• Do Follow Or No Follow (SEO Tips)

  By default, WordPress blogs use a rel="nofollow" attribute, so when you read of Do Follow Blogs, these are blogs that have used a plugin that removes the nofollow attribute. Comments then that contain links back to the poster count as backlinks for their sites.

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• Improve Exception Safety In Your C++ Applications by Annotating Functions That Don't Throw ...

  Your compiler assumes by default that almost every function might throw an exception. As a result, it might generate suboptimal code. C++0x now lets you explicitly annotate functions that never throw with the [[nothrow]] attribute. Find out how to use this attribute to write efficient and self-documenting code.

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• Test-Driven Development Problem

  - by Zeck

  Hi guys, I'm newbie to Java EE 6 and i'm trying to develop very simple JAX-RS application. RESTfull web service working fine. However when I ran my test application, I got the following. What have I done wrong? Or am i forget any configuration? Of course i'm create a JNDI and i'm using Netbeans 6.8 IDE. In finally, thank you for any advise. My Entity: @Entity @Table(name = "BOOK") @NamedQueries({ @NamedQuery(name = "Book.findAll", query = "SELECT b FROM Book b"), @NamedQuery(name = "Book.findById", query = "SELECT b FROM Book b WHERE b.id = :id"), @NamedQuery(name = "Book.findByTitle", query = "SELECT b FROM Book b WHERE b.title = :title"), @NamedQuery(name = "Book.findByDescription", query = "SELECT b FROM Book b WHERE b.description = :description"), @NamedQuery(name = "Book.findByPrice", query = "SELECT b FROM Book b WHERE b.price = :price"), @NamedQuery(name = "Book.findByNumberofpage", query = "SELECT b FROM Book b WHERE b.numberofpage = :numberofpage")}) public class Book implements Serializable { private static final long serialVersionUID = 1L; @Id @Basic(optional = false) @Column(name = "ID") private Integer id; @Basic(optional = false) @Column(name = "TITLE") private String title; @Basic(optional = false) @Column(name = "DESCRIPTION") private String description; @Basic(optional = false) @Column(name = "PRICE") private double price; @Basic(optional = false) @Column(name = "NUMBEROFPAGE") private int numberofpage; public Book() { } public Book(Integer id) { this.id = id; } public Book(Integer id, String title, String description, double price, int numberofpage) { this.id = id; this.title = title; this.description = description; this.price = price; this.numberofpage = numberofpage; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public int getNumberofpage() { return numberofpage; } public void setNumberofpage(int numberofpage) { this.numberofpage = numberofpage; } @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0); return hash; } @Override public boolean equals(Object object) { // TODO: Warning - this method won't work in the case the id fields are not set if (!(object instanceof Book)) { return false; } Book other = (Book) object; if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) { return false; } return true; } @Override public String toString() { return "com.entity.Book[id=" + id + "]"; } } My Junit test class: public class BookTest { private static EntityManager em; private static EntityManagerFactory emf; public BookTest() { } @BeforeClass public static void setUpClass() throws Exception { emf = Persistence.createEntityManagerFactory("E01R01PU"); em = emf.createEntityManager(); } @AfterClass public static void tearDownClass() throws Exception { em.close(); emf.close(); } @Test public void createBook() { Book book = new Book(); book.setId(1); book.setDescription("Mastering the Behavior Driven Development with Ruby on Rails"); book.setTitle("Mastering the BDD"); book.setPrice(25.9f); book.setNumberofpage(1029); em.persist(book); assertNotNull("ID should not be null", book.getId()); } } My persistence.xml jta-data-sourceBookstoreJNDI And exception is: May 7, 2009 11:10:37 AM org.hibernate.validator.util.Version INFO: Hibernate Validator bean-validator-3.0-JBoss-4.0.2 May 7, 2009 11:10:37 AM org.hibernate.validator.engine.resolver.DefaultTraversableResolver detectJPA INFO: Instantiated an instance of org.hibernate.validator.engine.resolver.JPATraversableResolver. [EL Info]: 2009-05-07 11:10:37.531--ServerSession(13671123)--EclipseLink, version: Eclipse Persistence Services - 2.0.0.v20091127-r5931 May 7, 2009 11:10:40 AM com.sun.enterprise.transaction.JavaEETransactionManagerSimplified initDelegates INFO: Using com.sun.enterprise.transaction.jts.JavaEETransactionManagerJTSDelegate as the delegate May 7, 2009 11:10:43 AM com.sun.enterprise.connectors.ActiveRAFactory createActiveResourceAdapter SEVERE: rardeployment.class_not_found May 7, 2009 11:10:43 AM com.sun.enterprise.connectors.ActiveRAFactory createActiveResourceAdapter SEVERE: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter(ActiveRAFactory.java:104) at com.sun.enterprise.connectors.service.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter(ResourceAdapterAdminServiceImpl.java:216) at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter(ConnectorRuntime.java:352) at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:106) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:472) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:437) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:569) at javax.naming.InitialContext.lookup(InitialContext.java:396) at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:110) at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:94) at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:228) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:368) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:151) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:207) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:195) at com.entity.BookTest.setUpClass(BookTest.java:31) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) at org.junit.runners.ParentRunner.run(ParentRunner.java:220) at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:515) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1031) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:888) Caused by: java.lang.ClassNotFoundException: com.sun.gjc.spi.ResourceAdapter at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter(ActiveRAFactory.java:96) ... 32 more [EL Severe]: 2009-05-07 11:10:43.937--ServerSession(13671123)--Local Exception Stack: Exception [EclipseLink-7060] (Eclipse Persistence Services - 2.0.0.v20091127-r5931): org.eclipse.persistence.exceptions.ValidationException Exception Description: Cannot acquire data source [BookstoreJNDI]. Internal Exception: javax.naming.NamingException: Lookup failed for 'BookstoreJNDI' in SerialContext ,orb'sInitialHost=localhost,orb'sInitialPort=3700 [Root exception is javax.naming.NamingException: Failed to look up ConnectorDescriptor from JNDI [Root exception is com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR]] at org.eclipse.persistence.exceptions.ValidationException.cannotAcquireDataSource(ValidationException.java:451) at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:116) at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:94) at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:228) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:368) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:151) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:207) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:195) at com.entity.BookTest.setUpClass(BookTest.java:31) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) at org.junit.runners.ParentRunner.run(ParentRunner.java:220) at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:515) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1031) at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:888) Caused by: javax.naming.NamingException: Lookup failed for 'BookstoreJNDI' in SerialContext ,orb'sInitialHost=localhost,orb'sInitialPort=3700 [Root exception is javax.naming.NamingException: Failed to look up ConnectorDescriptor from JNDI [Root exception is com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:569) at javax.naming.InitialContext.lookup(InitialContext.java:396) at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:110) ... 23 more Caused by: javax.naming.NamingException: Failed to look up ConnectorDescriptor from JNDI [Root exception is com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR] at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:109) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:472) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:437) ... 26 more Caused by: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter(ActiveRAFactory.java:104) at com.sun.enterprise.connectors.service.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter(ResourceAdapterAdminServiceImpl.java:216) at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter(ConnectorRuntime.java:352) at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:106) ... 29 more Caused by: java.lang.ClassNotFoundException: com.sun.gjc.spi.ResourceAdapter at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter(ActiveRAFactory.java:96) ... 32 more Exception Description: Cannot acquire data source [BookstoreJNDI]. Internal Exception: javax.naming.NamingException: Lookup failed for 'BookstoreJNDI' in SerialContext ,orb'sInitialHost=localhost,orb'sInitialPort=3700 [Root exception is javax.naming.NamingException: Failed to look up ConnectorDescriptor from JNDI [Root exception is com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: Error in creating active RAR]])

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• Bullets WILL NOT dissapear in firefox

  - by DunlopBurns

  Hoping you can help me with a problem. I cannot get rid of Bullets in Firefox, i don't want any anywhere, hence my list-style-type: none!important being everywhere. It only appears in Firefox as far as i can tell. the HTML.... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>littleprints.nl</title> <meta name="description" content="----" /> <meta name="keywords" content="----" /> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script> <script type="text/javascript" src="js/slimbox2.js"></script> <link rel="stylesheet" href="css/slimbox2.css" type="text/css" media="screen" /> <link rel="stylesheet" href="layout.css"/> <link rel="stylesheet" href="style.css"/> </head> <body> <div id="container"> <div id="inline1"> <div id="mainpic"> <img src="myimages/circle.jpg" width="100%" alt="Circle bracelet"/> </div> <div id="intro"> <p>Hi and welcome to little prints NL. we make this and that all by hand with 100% silver. my name is Donna Burns and i work by commision, ive been studying for 4 years and am currently learning to become a goldsmith.</p> </div> </div> <div id="inline2"> <p>Click for more...</p> <div id="images"> <a href="myimages/photos/dogtag.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" ><img src="myimages/work/chunky.gif" alt="chunky"/></a> <a href="myimages/photos/hearts.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" ><img src="myimages/work/hearts.gif" alt="hearts"/></a> <a href="myimages/photos/close.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" ><img src="myimages/work/close.gif" alt="close"/></a> <a href="myimages/photos/pearl.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" >&nbsp;</a> <a href="myimages/photos/flower.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" >&nbsp;</a> <a href="myimages/photos/frontcircle.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" >&nbsp;</a> <a href="myimages/photos/dogtag.jpg" rel="lightbox-gal" title="Beautiful, isn't it?" >&nbsp;</a> </div> </div> </div><!--end container--> <div id="footer"> <div id="footalign"> <div id="social"> <ul> <li> <a href="http://www.facebook.com/littleprints" title="Little Prints"> <img src="myimages/facebook.png" width="50px" height="50px" alt="FB"/> </a> </li> <li> <a href="contact.html" title="contact"> <img src="myimages/at.gif" alt="@"/> </a> </li> </ul> </div> <div id="contact"> <p><br/>To enquire about a charm either phone:<br/> 0787463289<br/> or use one of the methods to the side.</p> </div> </div> </div> </body> </html> the CSS... * {margin: 0; padding: 0; border: 0;} html, body { background-color: #000000;image; text-align: center; font: 16px/1.8 Verdana, Arial, Helvetica, sans-serif; list-style-type: none!important; text-decoration: none;} #container { position: relative; width: 900px; top: 0; min-height: 100%; margin-left: auto; margin-right: auto; padding-top: 20px; background-image: URL(myimages/back2.gif); margin-bottom: 180px; } #footer { background-color: #555555; position: relative; clear: both; bottom: 0; width: 900px; height: auto; margin-left: auto; margin-right: auto; margin-bottom: 20px; padding-bottom: 22px; margin-top: -180px; } #inline1{ display: inline-block; margin-top: 250px; margin-bottom: 20px; } #inline2 { display: inline-block; margin-top: 30px; margin-bottom: 50px; } #mainpic { float: left; width: 68%; margin-left: 20px; } #intro { float: right; width: 20%; margin-left: auto; margin-right: 50px; margin-top: 20px; } #images { margin-bottom: 20px; margin-left: auto; margin-right: auto; } #footalign { display: inline; width:900px; list-style-type: none; } #contact { text-align: center; background-color:#555555; float: middle; list-style-type: none; } #social{ background-color:#555555; float: right; list-style: none; padding:0; padding-right: 5px; text-align:center; list-style-type: none!important; } #social img{ border: none; list-style-type: none!important; margin: 3px; } #social ul{ border: none; list-style-type: none!important; } #social a{ display:inline-block; -webkit-transition:all .5s ease-out; -moz-transition:all .5s ease-out; -ms-transition:all .5s ease-out; -o-transition:all .5s ease-out; transition:all .5s ease-out; list-style-type: none!important; } #social a:hover{ display:inline-block; -webkit-transform:translate(-10px,0px); -moz-transform:translate(0px,-10px); -ms-transform:translate(-10px,0px); -o-transform:translate(-10px,0px); transform:translate(-10px,0px); list-style-type: none!important; } #form { margin-top: 250px; margin-bottom: 50px; } .nav1 {font-family: sans-serif;font-size: 22px;text-shadow: 2px 2px 5px #000000;} a:link {text-decoration:none; color:#000000; padding:3px;} a:visited {text-decoration:none; color:#000000;} a:active {text-decoration:none; color:#555555;} a:hover {text-decoration:none; color:#555555;} .nav2 {font-family: sans-serif;font-size: 22px;text-shadow: 2px 2px 5px #ffffff;} a:link {text-decoration:none; color:#ffffff; padding:3px;} a:visited {text-decoration:none; color:#ffffff;} a:active {text-decoration:none; color:#555555;} a:hover {text-decoration:none; color:#555555;} .p1 { color: #ffffff; } div#images img { max-width: 500px; height: auto; }

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• Merging multiple Google calendar feeds into one JSON object in javascript

  - by Jeramy

  I am trying to bring in the JSON feeds from multiple Google calendars so that I can sort the upcoming events and display the next X number in an "Upcoming Events" list. I have this working with Yahoo! pipes but I want to get away from using a 3rd party to aggregate. I think I am close, but I cannot get the JSON objects created correctly. I am getting the data into the array but not in JSON format, so I can't manipulate it. I have tried var myJsonString = JSON.stringify(JSONData); using https://github.com/douglascrockford/JSON-js but that just threw errors. I suspect because my variable is in the wrong starting format. I have tried just calling the feed like: $.getJSON(url); and creating a function concant1() to do the JSONData=JSONData.concat(data);, but it doesn't fire and I think it would produce the same end result anyway. I have also tried several other methods of getting the end result I want with varying degrees of doom. Here is the closest I have come so far: var JSONData = new Array(); var urllist = ["https://www.google.com/calendar/feeds/dg61asqgqg4pust2l20obgdl64%40group.calendar.google.com/public/full?orderby=starttime&max-results=3&sortorder=ascending&futureevents=true&ctz=America/New_York&singleevents=true&alt=json&callback=concant1","https://www.google.com/calendar/feeds/5oc3kvp7lnu5rd4krg2skcu2ng%40group.calendar.google.com/public/full?orderby=starttime&max-results=3&sortorder=ascending&futureevents=true&ctz=America/New_York&singleevents=true&alt=json&callback=concant1","http://www.google.com/calendar/feeds/rine4umu96kl6t46v4fartnho8%40group.calendar.google.com/public/full?orderby=starttime&max-results=3&sortorder=ascending&futureevents=true&ctz=America/New_York&singleevents=true&alt=json&callback=concant1"]; urllist.forEach(function addFeed(url){ alert("The URL being used: "+ url); if (void 0 != JSONData){JSONData=JSONData.concat($.getJSON(url));} else{JSONData = $.getJSON(url);} alert("The count from concantonated JSONData: "+JSONData.length); }); document.write("The final count from JSONData: "+JSONData.length+"<p>"); console.log(JSONData) UPDATE: Now with full working source!! :) If anyone would like to make suggestions on how to improve the code's efficiency it would be gratefully accepted. I hope others find this useful.: // GCal MFA - Google Calendar Multiple Feed Aggregator // Useage: GCalMFA(CIDs,n); // Where 'CIDs' is a list of comma seperated Google calendar IDs in the format: [email protected], and 'n' is the number of results to display. // While the contained console.log(); outputs are really handy for testing, you will probably waant to remove them for regular usage // Author: Jeramy Kruser - http://jeramy.kruser.me //onerror=function (d, f, g){alert (d+ "\n"+ f+ "\n");} if (!window.console) {console = {log: function() {}};} document.body.className += ' js-enabled'; // Global variables var urllist = []; var maxResults = 3; // The default is 3 results unless a value is sent var JSONData = {}; var eventCount = 0; var errorLog = ""; JSONData = { count: 0, value : { description: "Aggregates multiple Google calendar feeds into a single sorted list", generator: "StackOverflow communal coding - Thanks for the assist Patrick M", website: "http://jeramy.kruser.me", author: "Jeramy & Kasey Kruser", items: [] }}; // For putting dates from feed into a format that can be read by the Date function for calculating event length. function parse (str) { // validate year as 4 digits, month as 01-12, and day as 01-31 str = str.match (/^(\d{4})(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])$/); if (str) { // make a date str[0] = new Date ( + str[1], + str[2] - 1, + str[3]); // check if month stayed the same (ie that day number is valid) if (str[0].getMonth () === + str[2] - 1) { return str[0]; } } return undefined; } //For outputting to HTML function output() { var months, day_in_ms, summary, i, item, eventlink, title, calendar, where,dtstart, dtend, endyear, endmonth, endday, startyear, startmonth, startday, endmonthdayyear, eventlinktitle, startmonthday, length, curtextval, k; // Array of month names from numbers for page display. months = {'0':'January', '1':'February', '2':'March', '3':'April', '4':'May', '5':'June', '6':'July', '7':'August', '8':'September', '9':'October', '10':'November', '11':'December'}; // For use in calculating event length. day_in_ms = 24 * 60 * 60 * 1000; // Instantiate HTML Arrays. summary = []; for (i = 0; i < maxResults; i+=1 ) { //console.log("i: "+i+" < "+"maxResults: "+ maxResults); if (!(JSONData.value.items[i] === undefined)) { item = JSONData.value.items[i]; // Grabbing data for each event in the feed. eventlink = item.link[0]; title = item.title.$t; // Only display the calendar title if there is more than one calendar = ""; if (urllist.length > 1) { calendar = '<br />Calendar: <a href="https://www.google.com/calendar/embed?src=' + item.gd$who[0].email + '&ctz=America/New_York">' + item.author[0].name.$t + '<\/a> (<a href="https://www.google.com/calendar/ical/' + item.gd$who[0].email + '/public/basic.ics">iCal<\/a>)'; } // Grabbing event location, if entered. if ( item.gd$where[0].valueString !== "" ) { where = '<br />' + (item.gd$where[0].valueString); } else { where = (""); } // Grabbing start date and putting in form YYYYmmdd. Subtracting one day from dtend to fix Google's habit of ending an all-day event at midnight on the following day. dtstart = new Date(parse(((item.gd$when[0].startTime).substring(0,10)).replace(/-/g,""))); dtend = new Date(parse(((item.gd$when[0].endTime).substring(0,10)).replace(/-/g,"")) - day_in_ms); // Put dates in pretty form for display. endyear = dtend.getFullYear(); endmonth = months[dtend.getMonth()]; endday = dtend.getDate(); startyear = dtstart.getFullYear(); startmonth = months[dtstart.getMonth()]; startday = dtstart.getDate(); //consolidate some much-used variables for HTML output. endmonthdayyear = endmonth + ' ' + endday + ', ' + endyear; eventlinktitle = '<a href="' + eventlink + '">' + title + '<\/a>'; startmonthday = startmonth + ' ' + startday; // Calculates the number of days between each event's start and end dates. length = ((dtend - dtstart) / day_in_ms); // HTML for each event, depending on which div is available on the page (different HTML applies). Only one div can exist on any one page. if (document.getElementById("homeCalendar") !== null ) { // If the length of the event is greater than 0 days, show start and end dates. if ( length > 0 && startmonth !== endmonth && startday === endday ) { summary[i] = ('<h3>' + eventlink + '">' + startmonthday + ', ' + startyear + ' - ' + endmonthdayyear + '<\/a><\/h3><p>' + title + '<\/p>'); } // If the length of the event is greater than 0 and begins and ends within the same month, shorten the date display. else if ( length > 0 && startmonth === endmonth && startyear === endyear ) { summary[i] = ('<h3><a href="' + eventlink + '">' + startmonthday + '-' + endday + ', ' + endyear + '<\/a><\/h3><p>' + title + '<\/p>'); } // If the length of the event is greater than 0 and begins and ends within different months of the same year, shorten the date display. else if ( length > 0 && startmonth !== endmonth && startyear === endyear ) { summary[i] = ('<h3><a href="' + eventlink + '">' + startmonthday + ' - ' + endmonthdayyear + '<\/a><\/h3><p>' + title + '<\/p>'); } // If the length of the event is less than one day (length < = 0), show only the start date. else { summary[i] = ('<h3><a href="' + eventlink + '">' + startmonthday + ', ' + startyear + '<\/a><\/h3><p>' + title + '<\/p>'); } } else if (document.getElementById("allCalendar") !== null ) { // If the length of the event is greater than 0 days, show start and end dates. if ( length > 0 && startmonth !== endmonth && startday === endday ) { summary[i] = ('<li>' + eventlinktitle + '<br />' + startmonthday + ', ' + startyear + ' - ' + endmonthdayyear + where + calendar + '<br />&#160;<\/li>'); } // If the length of the event is greater than 0 and begins and ends within the same month, shorten the date display. else if ( length > 0 && startmonth === endmonth && startyear === endyear ) { summary[i] = ('<li>' + eventlinktitle + '<br />' + startmonthday + '-' + endday + ', ' + endyear + where + calendar + '<br />&#160;<\/li>'); } // If the length of the event is greater than 0 and begins and ends within different months of the same year, shorten the date display. else if ( length > 0 && startmonth !== endmonth && startyear === endyear ) { summary[i] = ('<li>' + eventlinktitle + '<br />' + startmonthday + ' - ' + endmonthdayyear + where + calendar + '<br />&#160;<\/li>'); } // If the length of the event is less than one day (length < = 0), show only the start date. else { summary[i] = ('<li>' + eventlinktitle + '<br />' + startmonthday + ', ' + startyear + where + calendar + '<br />&#160;<\/li>'); } } } if (summary[i] === undefined) { summary[i] = "";} //console.log(summary[i]); } console.log(JSONData); // Puts the HTML into the div with the appropriate id. Each page can have only one. if (document.getElementById("homeCalendar") !== null ) { curtextval = document.getElementById("homeCalendar"); console.log("homeCalendar: "+curtextval); } else if (document.getElementById("oneCalendar") !== null ) { curtextval = document.getElementById("oneCalendar"); console.log("oneCalendar: "+curtextval); } else if (document.getElementById("allCalendar") !== null ) { curtextval = document.getElementById("allCalendar"); console.log("allCalendar: "+curtextval); } if (curtextval.innerHTML.length < 100) { errorLog += '<div id="noEvents">No events found.</div>'; } for (k = 0; k<maxResults; k+=1 ) { curtextval.innerHTML = curtextval.innerHTML + summary[k]; } if (eventCount === 0) { errorLog += '<div id="noEvents">No events found.</div>'; } if (document.getElementById("homeCalendar") === null ) { curtextval.innerHTML = '<ul>' + curtextval.innerHTML + '<\/ul>'; } if (errorLog !== "") { curtextval.innerHTML += errorLog; } } // For taking in each feed, breaking out the events and sorting them into the object by date function sortFeed(event) { var tempEntry, i; tempEntry = event; i = 0; console.log("*** New incoming event object #"+eventCount+" ***"); console.log(event.title.$t); console.log(event); //console.log("i = " + i + " and maxResults " + maxResults); while(i<maxResults) { console.log("i = " + i + " < maxResults " + maxResults); console.log("Sorting event = " + event.title.$t + " by date of " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"")); if (JSONData.value.items[i]) { console.log("JSONData.value.items[" + i + "] exists and has a startTime of " + JSONData.value.items[i].gd$when[0].startTime.substring(0,10).replace(/-/g,"")); if (event.gd$when[0].startTime.substring(0,10).replace(/-/g,"")<JSONData.value.items[i].gd$when[0].startTime.substring(0,10).replace(/-/g,"")) { console.log("The incoming event value of " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"") + " is < " + JSONData.value.items[i].gd$when[0].startTime.substring(0,10).replace(/-/g,"")); tempEntry = JSONData.value.items[i]; console.log("Existing JSONData.value.items[" + i + "] value " + JSONData.value.items[i].gd$when[0].startTime.substring(0,10).replace(/-/g,"") + " stored in tempEntry"); JSONData.value.items[i] = event; console.log("Position JSONData.value.items[" + i + "] set to new value: " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"")); event = tempEntry; console.log("Now sorting event = " + event.title.$t + " by date of " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"")); } else { console.log("The incoming event value of " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"") + " is > " + JSONData.value.items[i].gd$when[0].startTime.substring(0,10).replace(/-/g,"") + " moving on..."); } } else { JSONData.value.items[i] = event; console.log("JSONData.value.items[" + i + "] does not exist so it was set to the Incoming value of " + event.gd$when[0].startTime.substring(0,10).replace(/-/g,"")); i = maxResults; } i += 1; } } // For completing the aggregation function complete(result) { var str, j, item; // Track the number of calls completed back, we're not done until all URLs have processed if( complete.count === undefined ){ complete.count = urllist.length; } console.log("complete.count = "+complete.count); console.log(result.feed); if(result.feed.entry){ JSONData.count = maxResults; // Check each incoming item against JSONData.value.items console.log("*** Begin Sorting " + result.feed.entry.length + " Events ***"); //console.log(result.feed.entry); result.feed.entry.forEach( function(event){ eventCount += 1; sortFeed(event); } ); } if( (complete.count-=1)<1 ) { console.log("*** Done Sorting ***"); output(); } } // This is the main function. It takes in the list of Calendar IDs and the number of results to display function GCalMFA(list,results){ var i, calPreProperties, calPostProperties1, calPostProperties2; calPreProperties = "https://www.google.com/calendar/feeds/"; calPostProperties1 = "/public/full?max-results="; calPostProperties2 = "&orderby=starttime&sortorder=ascending&futureevents=true&ctz=America/New_York&singleevents=true&alt=json&callback=?"; if (list) { if (results) { maxResults = results; } urllist = list.split(','); for (i = 0; i < urllist.length; i+=1 ){ if (urllist[i] === 0){ urllist.splice(i,1);} else{ urllist[i] = calPreProperties + urllist[i] + calPostProperties1+maxResults+calPostProperties2;} } console.log("There are " + urllist.length + " URLs"); urllist.forEach(function addFeed(url){ $.getJSON(url, complete); }); } else { errorLog += '<div id="noURLs">No calendars have been selected.</div>'; output(); } }

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• Writing a job requirement for a web application developer

  - by Raul Agrait

  I'm currently writing a job requirement for a software engineer position for my company, in which we are looking for a developer to work on client-side web application work. How should I title the job title / position? I don't necessarily want to call it a "Web Developer", for fear that it might attract more designer-y types. On the other hand, "Software Engineer" doesn't really give the indication that the work, while application based, will be web-based. Is "Web Application Software Engineer" a valid position title? Also, I'm somewhat torn on what the required skills set should be. I don't necessarily think that the ideal candidate should have x years of experience in say, JavaScript or ActionScript, but rather am just looking for someone who has experience in developing client-side applications, and is willing to learn and develop web applications. My current attempt at this, is that I have a section in which I state: Experience in the following frameworks and technologies are a plus, but not necessarily required for the position:

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• How to use the client object model with SharePoint2010

  - by ybbest

  In SharePoint2010, you can use client object model to communicate with SharePoint server. Today, I’d like to show you how to achieve this by using the c# console application. You can download the solution here. 1. Create a Console application in visual studio and add the following references to the project. 2. Insert your code as below ClientContext context = new ClientContext("http://demo2010a"); Web currentWeb = context.Web; context.Load(currentWeb, web =&gt; web.Title); context.ExecuteQuery(); Console.WriteLine(currentWeb.Title); Console.ReadLine(); 3. Run your code then you will get the web title displayed as shown below Note: If you got the following errors, you need to change your target framework from .Net Framework 4 client profile to .Net Framework 4 as shown below: Change from TO

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• How to check command line requests routed thru TOR?

  - by Chris

  I think I have virtualbox set up so that all traffic originating from the guest OS is routed through TOR. TOR is only installed on the host OS and the web browsers on the guest OS all report TOR IP's in Europe when I test with seemyip.com. The host OS shows my real IP when going to the same sites. But I initiate a lot of requests from the Linux command line and I haven't been able to confirm to my satisfaction that these are routing through TOR, though I have no reason to think they do not. When I use this command I get no output from the guest OS, but my real IP from the host OS: dig myip.opendns.com @resolver1.opendns.com +short This bash file gives no output from either OS: #!/bin/bash echo Your external IP Address is: wget http://Www.whatismyip.com -O - -o /dev/null | grep '<TITLE>' | sed -r 's/<TITLE>WhatIsMyIP\.com \- //g' | sed -r 's/<\/TITLE>//g' exit 0 Suggestions?

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• SEO indexing with dynamic titles, keywords and description

  - by Andrea Turri

  I'm working on a worldwide website (all in one single domain) so I'm wondering to create dynamic titles, descriptions, keywords and headings for each location. What I'm doing is to get information from the IP of the user and show for example a dynamic title: var userCity = codeToGetCityFromIP; <title>Welcome to userCity</title> // and same for description, keywords and headings... Obviously the code is different... I'd like to know if it is a good solution to create multiple SEO indexing based on cities? I'm also using GeoLocation and I do same using the returned values from it. I'm doing right or there are more effective ways to indexing in different countries and cities without create multiple website for each city of the world? Thanks.

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• What is correct heading setup for subpages

  - by user1010609

  What is the best for seo of the following: using <h1>keyword</h1> in layout and putting each subpage title in </h2> using <h1>keyword</h1> only for main page and on each subpage replace it to <h2>keyword</h2> and using h1 tags for subapge title not using <h1>keyword</h1> on any of the pages instead put keyword in in header and use for each subpage and using <h1>keyword + something for main page title</h1> None of the above (please go into as much details)

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• Yippy &ndash; the F# MVVM Pattern

  - by MarkPearl

  I did a recent post on implementing WPF with F#. Today I would like to expand on this posting to give a simple implementation of the MVVM pattern in F#. A good read about this topic can also be found on Dean Chalk’s blog although my example of the pattern is possibly simpler. With the MVVM pattern one typically has 3 segments, the view, viewmodel and model. With the beauty of WPF binding one is able to link the state based viewmodel to the view. In my implementation I have kept the same principles. I have a view (MainView.xaml), and and a ViewModel (MainViewModel.fs).     What I would really like to illustrate in this posting is the binding between the View and the ViewModel so I am going to jump to that… In Program.fs I have the following code… module Program open System open System.Windows open System.Windows.Controls open System.Windows.Markup open myViewModels // Create the View and bind it to the View Model let myView = Application.LoadComponent(new System.Uri("/FSharpWPF;component/MainView.xaml", System.UriKind.Relative)) :?> Window myView.DataContext <- new MainViewModel() :> obj // Application Entry point [<STAThread>] [<EntryPoint>] let main(_) = (new Application()).Run(myView) You can see that I have simply created the view (myView) and then created an instance of my viewmodel (MainViewModel) and then bound it to the data context with the code… myView.DataContext <- new MainViewModel() :> obj If I have a look at my viewmodel (MainViewModel) it looks like this… module myViewModels open System open System.Windows open System.Windows.Input open System.ComponentModel open ViewModelBase type MainViewModel() = // private variables let mutable _title = "Bound Data to Textbox" // public properties member x.Title with get() = _title and set(v) = _title <- v // public commands member x.MyCommand = new FuncCommand ( (fun d -> true), (fun e -> x.ShowMessage) ) // public methods member public x.ShowMessage = let msg = MessageBox.Show(x.Title) () I have exposed a few things, namely a property called Title that is mutable, a command and a method called ShowMessage that simply pops up a message box when called. If I then look at my view which I have created in xaml (MainView.xaml) it looks as follows… <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="F# WPF MVVM" Height="350" Width="525"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> </Grid.RowDefinitions> <TextBox Text="{Binding Path=Title, Mode=TwoWay}" Grid.Row="0"/> <Button Command="{Binding MyCommand}" Grid.Row="1"> <TextBlock Text="Click Me"/> </Button> </Grid> </Window>   It is also very simple. It has a button that’s command is bound to the MyCommand and a textbox that has its text bound to the Title property. One other module that I have created is my ViewModelBase. Right now it is used to store my commanding function but I would look to expand on it at a later stage to implement other commonly used functions… module ViewModelBase open System open System.Windows open System.Windows.Input open System.ComponentModel type FuncCommand (canExec:(obj -> bool),doExec:(obj -> unit)) = let cecEvent = new DelegateEvent<EventHandler>() interface ICommand with [<CLIEvent>] member x.CanExecuteChanged = cecEvent.Publish member x.CanExecute arg = canExec(arg) member x.Execute arg = doExec(arg) Put this all together and you have a basic project that implements the MVVM pattern in F#. For me this is quite exciting as it turned out to be a lot simpler to do than I originally thought possible. Also because I have my view in XAML I can use the XAML designer to design forms in F# which I believe is a much cleaner way to go rather than implementing it all in code. Finally if I look at my viewmodel code, it is actually quite clean and compact…

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• Boss solution vs Developer solution

  - by mahen23

  The problem: When we were sending newsletters to customers, there was no way to confirm if the customer already received the mail. So the boss decided to implement this idea: Boss's Idea: Each time mail was being sent, do an INSERT in a db with the title of the newsletter being sent and the email address which is receving the email address. To ensure that any email address does not receive the same email twice, do a SELECT in the table and find the title of the newsletter being sent: if (title of newsletter is found) { check to see of the email we are sending mail to is already present. if it does, do not send mail } else { send mail } MY idea: create a column called unique and mark it as UNIQUE. Each time mail was being sent, concatenate email + newsletter id and record it in the UNIQUE row. The next time we do a "mysql_affected_rows" check to see if our INSERT was successful, we send the mail, else, there is already a duplicate and no need to send it.

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• What is the next promotion for a scrum master

  - by gnebar

  I'm currently a scrum master. I have been offered a promotion to a role that will allow me to have a wider impact. (more involved in company wide architectural decisions, possible secondment to kick start major projects, etc). The role and title of the job has yet to be decided but my company are open to guidance from me. I'm happy I can mould the role to suit me and the company but I'm unsure about the job title that fits this role. Technical Evangelist has been suggested but i'm not sure that is the correct title. I'm keen to proceed down the technical route. What would you suggest? What other roles do people take after scrum master/technical lead? EDIT: (I am aware that my current role is a mix of a technical lead and scrum master role, but that's how we do it in my company :) )

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• Rules for Naming

  - by PointsToShare

  © 2011 By: Dov Trietsch. All rights reserved Naming Documents (or is it “Document, Naming”?) Tis but thy name that is my enemy; Thou art thyself, though not a Montague. What's Montague? It is nor hand, nor foot, Nor arm, nor face, nor any other part Belonging to a man. O, be some other name! What's in a name? That which we call a rose By any other name would smell as sweet; So Romeo would, were he not Romeo call'd, Retain that dear perfection which he owes Without that title. Romeo, doff thy name And for that name which is no part of thee Take all myself.  Shakespeare – Romeo and Juliet Act II, Scene 2 We normally only use the bold portion of the famous Shakespearean quote above, but it is really out of context. As the play unfolds, we learn that a name is all too powerful. Indeed it is because of their names that the doomed lovers die. There might be life and death in a name (BTW, when I wrote this monogram, I was in Hatfield, PA. Remember the Hatfields and the McCoys?) This is a bit extreme, but in the field of Knowledge Management (KM) names are of the utmost importance as well. When I write an article about managing SharePoint sites, how should I name it? “Managing a site” or “Site, managing”? Nine times out of ten I’d opt for the latter. Almost everything we do is “Managing” so to make life easier for a person looking for meaningful content, we title our articles starting with the differentiator rather than the common factor. As a rule of thumb, we start the name with the noun rather than the verb. It is not what we do that is the primary key; it is what we do it to. So, answer this – is it a “rule of thumb” or a “thumb rule?” This is tough. A lot of what we do when naming is a judgment call. Both thumb and rule are nouns, albeit concrete and abstract (more about this later), but to most people “thumb rule” is meaningless while “rule of thumb” is an idiom. The difference between knowledge and information is that knowledge is meaningful information placed in context. Thus I elect the “rule of thumb”. It is the more meaningful title. Abstract and Concrete are relative terms. Many nouns (and verbs) that are abstract to a commoner, are concrete to a practitioner of one profession or another and may even have different concrete meanings in different professional jargons. Think about “running”. To an executive it means running a business, to a marathoner its meaning is much more literal. Generally speaking, we store and disseminate knowledge within a practice more than we do it in general. Even dictionaries encyclopedias define terms as they apply to different audiences. The rule of thumb is to put the more concrete first, but within the audience’s jargon. Even the title of this monogram is a question. Do I name it “Naming Documents” or “Documents, Naming”? Well, my own rule of thumb (“Here he goes again!?”) states that the latter is better because it starts with a noun, but this is a document about naming more than it about documents. The rules of naming also apply to graphs and charts, excel spreadsheets, and so on. Thus, I vote for the former.  A better title could have been “Naming Objects” only the word “Object” is a bit too abstract. How about just “Naming” or “Naming, rules of”? You get the drift. One of the ways to resolve all of this is to store the documents in Knowledge-Bases, which may become the subjects of a future punditry. Knowledge bases use keywords to describe their content.  Use a Metadata store for the keywords to at least attempt some common grounds. Here is another general rule (rule of thumb?!!) – put at least the one keyword in the title. Use subtitles. Here is an example: Migrating documents – Screening, cleaning, and organizing our knowledge. The main keyword is “documents”, next is “migrating”, other keywords also appear in the subtitle. They are “screening”, “cleaning”, and “organizing”. Any questions? Send me an amply named document by email: [email protected]

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• Beginner: How to Make Explorer Always Show the Full Path in Windows 8

  - by Taylor Gibb

  In older versions of Windows the Title Bar used to display your current location in the file system. In Windows 8 this is not the default behavior, however, you can enable it if you wish to. Display the Full Path in the Windows Explorer Title Bar Press the Windows + E keyboard combination to open Windows Explorer and then switch over to the View tab. On the right-hand side click on options and then select Change folder and search options from the drop-down. When the Folder Options dialog opens, switch over to the View options. Here you will need to tick the Display the full path in the title bar check box. That’s all there is to it. How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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• In Joomla how to change the module mod_news_show_gk3?

  - by Emerson

  How can I change the mod_news_show_gk3 module to: Change the size of the post image. It uses the first image of the post, but it seems to not be resizing the image. Add an extra field: It is important to show in the main page what is the source of the post. I would then like to add an extra field during post editing time, namely "source", and then I would like to show the source below the title and before the text. Change the title size. Title is oversized and I couldn't find any way to decrease its size. Add a border around the section. Here is the address: http://central.antinovaordemmundial.com/ Thanks!

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