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• regex to match xml tags not containing other tags

  - by user1547254

  Let's say I want to look for <Address> <Street>Windsor</Street> </Address> and I do not want to return <Address> <Number>15</Number> <Street>Windsor</Street> </Address> i.e. I am looking for addresses where the Address node does not contain a number tag. I tried things like <Address>(?!Number)</Address> or <Address>.*?(?!Number).*?</Address> but can't quite figure it out :-( Any ideas? TIA eddiec :-)

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• how to write high quality GUI software with qt?

  - by Opetmar

  I want to write a project using QT library, so after learning the library and mastering it how should I start, what other libraries or things that I should learn? are there any other tools that will help me during the development or tools well help the end user to install the software and using it? What are the things that I should be aware? what are the things that I should avoid so it can run efficiently?

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• How do I write code that doesn't suck? [closed]

  - by Afnan

  My friends and I would like to write a C# desktop application, and would like some guidance on how to make sure the code base is professional and well-kept. Should we use classes or interfaces for our inheritance patterns (which is better)? What are the best practices for professional applications? How do we know what sloppy code looks like, and how do we avoid creating sloppy code? Are there any best practices regarding the design of Winforms applications?

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• How do I get keyboard to write hiragana instead of katakana?

  - by Lisandro

  I added the Japanese Layout in Keyboard preferences, however all the layouts look like being in katakana. I suspect that the key that is left of number 1 (above Tab and under Esc) could be the one to switch from katakana to hiragana however I don't have that key in my keyboard and my other Toshiba laptop does not have it either. I really don't know what to do, I simply want to be able to write in hiragana in Ubuntu. Thanks

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• WCF HttpClient Error calling a RESTful WCF Service - Cannot write more bytes to the buffer than the configured maximum buffer size: 65536

  - by Justin Hoffman

  Using the HttpClient API from wcf.codeplex.com, you may encounter this error if respones are too large.   Cannot write more bytes to the buffer than the configured maximum buffer size: 65536 In order to increase the size of the Response Buffer, just increase the MaxReseponseContentBufferSize as shown below. Increase it to something larger than the default: 65536 depending on your response sizes. var client = new HttpClient { MaxResponseContentBufferSize = 196608, BaseAddress = new Uri("http://myservice/service1/") };

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• Can I use Ubuntu to write a Windows 7 ISO to USB in Ubuntu?

  - by Salim Fadhley

  I need to create a Windows installation USB drive from an ISO file. I used unetbootin which seems to be the only tool that can write non-linux images. The USB disk boots (sort-of), but it gets stuck at the very first stage. A UNetbootin spash screen that keeps counting-down from ten to 0, and then restarts. The screen looks like this: Is there a way to make Windows boot from a USB image created on Linux?

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• How can I write byte[] to socket outputstream and specify the end of file?

  - by Christopher Francisco

  I've googled 2 days straight and I can't find how to do this. I have an open stream between client and server, and client will send a JSON string (encrypted to bytes) to the server each 3 to 5 seconds. How can I write to the Socket OutputStream so that I can read each JSON string in the server. I'm guessing I need to specify some kind of end of file or something, but can't find any info on how to achieve this.

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• Can I use Ubuntu to write a Windows 7 ISO to USB?

  - by Salim Fadhley

  I need to create a Windows installation USB drive from an ISO file. I used UNetbootin which seems to be the only tool that can write non-Linux images. The USB disk boots (sort of), but it gets stuck at the very first stage. A UNetbootin splash screen appears that keeps counting down from 10 to 0, and then restarts. The screen looks like this: Is there a way to make Windows boot from a USB image created on Linux?

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• Why do we write the action to be performed by a function in jQuery inside the parentheses?

  - by ikartik90

  Generally whenever we're programming in any Programming language, say C, we would pass the parameters we need to pass to a function using the parentheses next to the name of the function. Whereas in jQuery, other than the user defined function() we write the action we need the function to perform inside the parentheses, for example, $('div').mouseenter(function(){ /* blah blah blah*/ }); Why?

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• How to get a Read-Write Reference to Parent GameObject from a script component attached to it?

  - by onguarde

  I have a game object(object) with a script component(myscript) attached. I have a reference to myscript component through getComponent, and I want to change the transform of the gameObject the script is attached to. myscript.gameObject.transform = (new value); The above code gives me error, Property 'UnityEngine.GameObject.transform' is read only. Is there a way to get a read-write version?

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• Write access from a Windows client via a ZFS SMB, to a file created on the host in OpenIndiana

  - by Gerald Kaszuba

  I've got an OpenIndiana server running ZFS that is shared using a nobody user and group. I don't fully understand Solaris ACL permissions, but I do know Linux style permissions. The client is Windows 8 and the server is OpenIndiana is oi_148. I'm failing to work out how to make write permission work correctly for the Windows client. It is able to make new files, but can not modify files created by the shell in OpenIndiana. When a file ("local file") is created locally as the user nobody in bash, and another file ("smb file") created remotely via SMB (as nobody also), they are quite different in permissions: # ls -V -rw-r--r-- 1 nobody nobody 0 Dec 2 12:24 local file owner@:rw-p--aARWcCos:-------:allow group@:r-----a-R-c--s:-------:allow everyone@:r-----a-R-c--s:-------:allow -rwx------+ 1 nobody nobody 0 Dec 2 12:24 smb file user:nobody:rwxpdDaARWcCos:-------:allow group:2147483648:rwxpdDaARWcCos:-------:allow In bash, I'm able to write to smb file, but vice versa, the Windows client is not able to write to local file. This is confusing to me because it appears that it should allow the SMB client to write to local file, because nobody is the owner and it has a w in the ACL. The sharesmb setting is is fairly boring, although I'm hoping there can something to set in here similar to a umask: sharesmb name=shared,guestok=true How can I make these two work together and have a symmetrical permission system, where both SMB and the local user produce the same permissions? Is there some sort of ACL that can set at the root of the file system to allow all files to be created in a similar manner?

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• How can I tell SELinux to give vsftpd write access in a specific directory?

  - by Arcturus

  Hello. I've set up vsftpd on my Fedora 12 server, and I'd like to have the following configuration. Each user should have access to: his home directory (/home/USER); the web directory I created for him (/web/USER). To achieve this, I first configured vsftpd to chroot each user to his home directory. Then, I created /web/USER with the correct permissions, and used mount --bind /web/USER /home/USER/Web so that the user may have access to /web/USER through /home/USER/Web. I also turned on the SELinux boolean ftp_home_dir so that vsftpd is allowed to write in users' home directories. This works very well, except that when a user tries to upload or rename a file in /home/USER/Web, SELinux forbids it because the change must also be done to /web/USER, and SELinux doesn't give vsftpd permission to write anything to that directory. I know that I could solve the problem by turning on the SELinux boolean allow_ftpd_full_access, or ftpd_disable_trans. I also tried to use audit2allow to generate a policy, but what it does is generate a policy that gives ftpd write access to directories of type public_content_t; this is equivalent to turning on allow_ftpd_full_access, if I understood it correctly. I'd like to know if it's possible to configure SELinux to allow FTP write access to the specific directory /web/USER and its contents, instead of disabling SELinux's FTP controls entirely.

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• How to change mount to grant user write permissions?

  - by nals

  I am on TomatoUSB, and using the feature to have a NAS. The only way I can write to the Samba share is if I force root: [global] interfaces = 127.0.0.1, 192.168.1.1/24 bind interfaces only = no workgroup = WORKGROUP netbios name = TOMATO security = share wins support = yes name resolve order = wins lmhosts hosts bcast guest account = nobody [Public] path = /mnt/sda2 read only = no public = yes only guest = yes guest ok = yes browseable = yes comment = Network share force user = root writeable = yes I dont really like the idea having to use root to allow write access to my share. I have a samba account created already named nobody to allow access to the share. However every time I try to write I get access denied error. fstab: /dev/sda2 /mnt/sda2 vfat defaults 0 0 Further more every time I try to chmod 777 /tmp/mnt/sda2 the permissions are not changed, and no error is produced. They stay 755. drwxr-xr-x 2 root root 4096 Jun 4 01:49 sda2 Basically; how can I give the user nobody write permissions to my mount? dev name: /dev/sda2 dev mount: /tmp/mnt/sda2

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• Is there a Better Way to Retreive Raw XML from a URL than WebClient or HttpWebRequest? [.NET]

  - by DaMartyr

  I am working on a Geocoding app where I put the address in the URL and retreive the XML. I need the complete XML response for this project. Is there any other class for downloading the XML from a website that may be faster than using WebClient or HttpWebRequest? Can the XMLReader be used to get the full XML without string manipulation and would that be faster and/or more efficient?

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• Creating Google sitemap.xml , is it okay for the images to be wrapped in url tags?

  - by AzizAG

  I'm using a tool to generate the sitemap.xml file for me, it started to crawl my website, got the pages and all images, but when exporting it, I review the xml(to make sure nothing is wrong) and I noticed that the images in my website are wrapped in url tags(I think it should be in image tags). See this: <url><loc>http://mywebsite.com/images/12.jpg</loc><lastmod>2012-05-23T13:39:02+00:00</lastmod><changefreq>weekly</changefreq><priority>0.50</priority></url> Shouldn't it be wrapped in image tag?(just like videos wrapped in video tag) Thanks.

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• Oh that XML - did you ever try to read a raw file?

  - by GGBlogger

  If you've ever looked at a raw XML file - even a very simple one - you'll understand. XML files are nearly impossible to read in raw format. That's where various tools come in and there are a bunch of them including some very simple tools. If, however, you need some horsepower one of the best tools on the planet is LiquidXML! LiquidXML is a developer's tool. It's also an analyst's tool, a tester's tool and a designer's tool. Did I mention that it is compatible with Visual Studio? Once again I will be following up on this as time permits. But if this sounds like something you can use just visit http://www.liquid-technologies.com/. You will find a very complete description plus high quality training videos that will help you decide if this is a tool you can use.

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• How do I customize desktop wallpaper slideshow via XML?

  - by Pithikos

  I spent some time and tried varioues things but nothing works. Here's what I have tried so far: Making a new folder /usr/share/backgrounds/mywallpapers and add my own background-1.xml in there. Copying a bunch of my own wallpaper files into /usr/share/backgrounds/ Copy /usr/share/backgrounds/Contest/background-1.xml to /usr/share/backgrounds/ I logged out and in and no changes in Appearance app. I have heard about Wallch but I don't want some app running in the background all the time. I'm not even sure Wallch will work with Gnome 3. I also tryied gnome-3-wp (Gnome 3 Wallpaper Slideshow app) but it just seems broken for Oneiric Ubuntu 11.10. Anyone has a solution?

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• How can I test a parser for a bespoke XML schema?

  - by Greg B

  I'm parsing a bespoke XML format into an object graph using .NET 4.0. My parser is using the System.XML namespace internally, I'm then interrogating the relevant properties of XmlNodes to create my object graph. I've got a first cut of the parser working on a basic input file and I want to put some unit tests around this before I progress on to more complex input files. Is there a pattern for how to test a parser such as this? When I started looking at this, my first move was to new up and XmlDocument, XmlNamespaceManager and create an XmlElement. But it occurs to me that this is quite lengthy and prone to human error. My parser is quite recursive as you can imagine and this might lead to testing the full system rather than the individual units (methods) of the system. So a second question might be What refactoring might make a recursive parser more testable?

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• Why am I seeing unexpected requests for "crossdomain.xml" in my logs?

  - by Bogdacutu

  I've getting lots of 404 errors from crossdomain.xml. Here are the request details, as provided by Google App Engine: 404 22ms 19cpu_ms 0kb Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30 69.130.*.* - - [24/Jul/2011:07:43:42 -0700] "GET /crossdomain.xml HTTP/1.1" 404 124 "http://s.nsdsvc.com/App/DddWrapper.swf?c=3" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30" "app.*.*.*" ms=22 cpu_ms=19 api_cpu_ms=0 cpm_usd=0.000633 instance=00c61b117c557326bef77d341a345431e66b I'm not sure what is going on. Can anyone help me solve this issue?

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• Conversion of BizTalk Projects to Use the New WCF-SAP Adaptor

  - by Geordie

  We are in the process of upgrading our BizTalk Environment from BizTalk 2006 R2 to BizTalk 2010. The SAP adaptor in BizTalk 2010 is an all new and more powerful WCF-SAP adaptor. When my colleagues tested out the new adaptor they discovered that the format of the data extracted from SAP was not identical to the old adaptor. This is not a big deal if the structure of the messages from SAP is simple. In this case we were receiving the delivery and invoice iDocs. Both these structures are complex especially the delivery document. Over the past few years I have tweaked the delivery mapping to remove bugs from original mapping. The idea of redoing these maps did not appeal and due to the current work load was not even an option. I opted for a rather crude alternative of pulling in the iDoc in the new typed format and then adding a static map at the start of the orchestration to convert the data to the old schema.  Note WCF-SAP data formats (on the binding tab of the configuration dialog box is the ‘RecieiveIdocFormat’ field): Typed:  Returns a XML document with the hierarchy represented in XML and all fields being represented by XML tags. RFC: Returns an XML document with the hierarchy represented in XML but the iDoc lines in flat file format. String: This returns the iDoc in a format that is closest to the original flat file format but is still wrapped with some top level XML tags. The files also contained some strange characters at the end of each line. I started with the invoice document and it was quite straight forward to add the mapping but this is where my problems started. The orchestrations for these documents are dynamic and so require the identity of the partner to be able to correctly configure the orchestration. The partner identity is in the EDI_DC40 segment of the iDoc. In the old project the RECPRN node of the segment was promoted. The code to set a variable to the partner ID was now failing. After lot of head scratching I discovered the problem was due to the addition of Namespaces to the fields in the EDI_DC40 segment. To overcome this I needed to use an xPath query with a Namespace Manager. This had to be done in custom code. I now tried to repeat the process with the delivery document. Unfortunately when we tried to get sample typed data from SAP an exception was thrown. The adapter "WCF-SAP" raised an error message. Details "Microsoft.ServiceModel.Channels.Common.XmlReaderGenerationException: The segment or group definition E2EDKA1001 was not found in the IDoc metadata. The UniqueId of the IDoc type is: IDOCTYP/3/DESADV01/ZASNEXT1/640. For Receive operations, the SAP adapter does not support unreleased segments.   Our guess is that when the WCF-SAP adaptor tries to down load the data it retrieves a data schema from SAP. For some reason the schema does not match the data. This may be due to the version of SAP we are running or due to a customization. Either way resolving this problem did not look easy. When doing some research on this problem I found an article showing me how to get the data from SAP using the WCF-SAP adaptor without any XML tags. http://blogs.msdn.com/b/adapters/archive/2007/10/05/receiving-idocs-getting-the-raw-idoc-data.aspx Reproduction of Mustansir blog: Since the WCF based SAP Adapter is ... well, WCF based, all data flowing in and out of the adapter is encapsulated within a SOAP message. Which means there are those pesky xml tags all over the place. If you want to receive an Idoc from SAP, you can receive it in "Typed" format (in which case each column in each segment of the idoc appears within its own xml tag), or you can receive it in "String" format (in which case there are just 2 xml tags at the top, the raw xml data in string/flat file format, and the 2 closing xml tags). In "String" format, an incoming idoc (for ORDERS05, containing 5 data records) would look like: <ReceiveIdoc ><idocData>EDI_DC40 8000000000001064985620 E2EDK01005 800000000000106498500000100000001 E2EDK14 8000000000001064985000002000000020111000 E2EDK14 8000000000001064985000003000000020081000 E2EDK14 80000000000010649850000040000000200710 E2EDK14 80000000000010649850000050000000200600</idocData></ReceiveIdoc> (I have trimmed part of the control record so that it fits cleanly here on one line). Now, you're only interested in the IDOC data, and don't care much for the XML tags. It isn't that difficult to write your own pipeline component, or even some logic in the orchestration to remove the tags, right? Well, you don't need to write any extra code at all - the WCF Adapter can help you here! During the configuration of your one-way Receive Location using WCF-Custom, navigate to the Messages tab. Under the section "Inbound BizTalk Messge Body", select the "Path" radio button, and: (a) Enter the body path expression as: /*[local-name()='ReceiveIdoc']/*[local-name()='idocData'] (b) Choose "String" for the Node Encoding. What we've done is, used an XPATH to pull out the value of the "idocData" node from the XML. Your Receive Location will now emit text containing only the idoc data. You can at this point, for example, put the Flat File Pipeline component to convert the flat text into a different xml format based on some other schema you already have, and receive your version of the xml formatted message in your orchestration.   This was potentially a much easier solution than adding the static maps to the orchestrations and overcame the issue with ‘Typed’ delivery documents. Not quite so fast… Note: When I followed Mustansir’s blog the characters at the end of each line disappeared. After configuring the adaptor and passing the iDoc data into the original flat file receive pipelines I was receiving exceptions. There was a failure executing the receive pipeline: "PAPINETPipelines.DeliveryFlatFileReceive, CustomerIntegration2.PAPINET.Pipelines, Version=1.0.0.0, Culture=neutral, PublicKeyToken=4ca3635fbf092bbb" Source: "Pipeline " Receive Port: "recSAP_Delivery" URI: "D:\CustomerIntegration2\SAP\Delivery\*.xml" Reason: An error occurred when parsing the incoming document: "Unexpected data found while looking for: 'Z2EDPZ7' The current definition being parsed is E2EDP07GRP. The stream offset where the error occured is 8859. The line number where the error occured is 23. The column where the error occured is 0.". Although the new flat file looked the same as the old one there was a differences. In the original file all lines in the document were exactly 1064 character long. In the new file all lines were truncated to the last alphanumeric character. The final piece of the puzzle was to add a custom pipeline component to pad all the lines to 1064 characters. This component was added to the decode node of the custom delivery and invoice flat file disassembler pipelines. Execute method of the custom pipeline component: public IBaseMessage Execute(IPipelineContext pc, IBaseMessage inmsg) { //Convert Stream to a string Stream s = null; IBaseMessagePart bodyPart = inmsg.BodyPart;   // NOTE inmsg.BodyPart.Data is implemented only as a setter in the http adapter API and a //getter and setter for the file adapter. Use GetOriginalDataStream to get data instead. if (bodyPart != null) s = bodyPart.GetOriginalDataStream();   string newMsg = string.Empty; string strLine; try { StreamReader sr = new StreamReader(s); strLine = sr.ReadLine(); while (strLine != null) { //Execute padding code if (strLine != null) strLine = strLine.PadRight(1064, ' ') + "\r\n"; newMsg += strLine; strLine = sr.ReadLine(); } sr.Close(); } catch (IOException ex) { throw new Exception("Error occured trying to pad the message to 1064 charactors"); }   //Convert back to stream and set to Data property inmsg.BodyPart.Data = new MemoryStream(Encoding.UTF8.GetBytes(newMsg)); ; //reset the position of the stream to zero inmsg.BodyPart.Data.Position = 0; return inmsg; }

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• Why can't PHP script write a file on server 2008 via command line or task scheduler?

  - by rg89

  I have a PHP script. It runs well when I use a browser. It writes an XML file in the same directory. The script takes ~60 seconds to run, and the resulting XML file is ~16 MB. I am running PHP 5.2.13 via FastCGI on Server 2008 64 bit. I created a task in task scheduler to run c:\php5\php.exe "D:\inetpub\tools\something.php" No error returned, but no file created. If I run this same path and argument at a command line it does not error and does not create the file. I am doing a simple fopen fwrite fclose to save the contents of a php variable to a .xml file, and the file only gets created when the script is run through the browser. Thanks

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• Ubuntu, user can't write to a directory and I don't see why not.

  - by Peter

  I've got a directory, /var/www/someProject/backup/mysql, and I want the user mysql to write to it. Each time I try to write to it with the mysql user, I get a "can't read/write" error. Yet the directory is 777 as you can see here: drwxrwxrwx 2 aUser users 4096 2010-03-17 17:14 mysql I also tried to chown the directory to mysql:mysql, just like the home dir of the mysql user, but no luck, that changed nothing. What am I doing wrong here? Or is the mysql user limited to his home dir in some other way in Ubuntu? Been bugging me for days now, this problem so any help greatly appreciated.

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• Read/WRITE/Verify disk diagnostic tool for Mac OS X?

  - by Spiff

  It seems that there are many tools out there for Mac OS X that test a hard drive for bad blocks by doing a Read/Verify pass. That is, they read a block, then read it a second time, and verify that both reads yielded the same results. I need a tool that does a non-destructive Read/Write/Verify pass. It should read each block, write those same contents back out, and then read it again to verify. That way every block gets written, giving the hard drive a chance to spare out bad blocks. But since the same contents that were just read get written back out, it doesn't destroy data that wasn't already lost. I'm aware of several tools that can do Read/Verify, but I'm not aware of any that do Read/Write/Verify. Are there any tools that do what I want? Unix / open source tools that compile and run on Mac OS X are fair game too.

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• Is there an encrypted write-only file system for Linux?

  - by Grumbel

  I am searching for an encrypted filesystem for Linux that can be mounted in a write-only mode, by that I mean you should be able to mount it without supplying a password, yet still be able to write/append files, but neither should you be able to read the files you have written nor read the files already on the filesystem. Access to the files should only be given when the filesystem is mounted via the password. The purpose of this is to write log files or similar data that is only written, but never modified, without having the files themselves be exposed. File permissions don't help here as I want the data to be inaccessible even when the system is fully compromised. Does such a thing exist on Linux? Or if not, what would be the best alternative to create encrypted log files? My current workaround consists of simply piping the data through gpg --encrypt, which works, but is very cumbersome, as you can't easily get access to the filesystem as a whole, you have to pipe each file through gpg --decrypt manually.

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• Do I need to run a verfication on LTO tape backups even though the drives themselves perform verification as they write?

  - by ObligatoryMoniker

  We have an LTO-3 Tape drive in a Dell media library that we use for our tape backups. The article about LTO on Wikipedia states that: LTO uses an automatic verify-after-write technology to immediately check the data as it is being written, but some backup systems explicitly perform a completely separate tape reading operation to verify the tape was written correctly. This separate verify operation doubles the number of end-to-end passes for each scheduled backup, and reduces the tape life by half. What I would like to know is, do I need my backup software (Backup Exec in this case) to perform a verify on these tapes or is the verify-after-write technology inherent in LTO drives sufficient? I would also be curious if Backup Exec understands the verify-after-write technology enough to alert me if that technology couldn't veryify the data or will it just ignore it making it useless anyway since even if the drive detecs a problem I would never know about it.

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