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• Installing mysql on leopard: "Can't connect to local MySQL server through socket"

  - by Neil

  I migrated to a new machine and used migration assistant to copy across my files (which seemed to copy across the DBs) but I had to use macports to install Mysql (whereas last time I compiled from source via Dan Benjamin's guide). For some reason, mysql is intermittently throwing the following error; Can't connect to local MySQL server through socket '/opt/local/var/run/mysql5/mysqld.sock' (2) It does this no matter what I try, which has included setting the socket in /opt/local/etc/mysql5/my.cnf. Previously I've managed to temporarily fix this by restarting the machine, but right now it just doesn't want to know, despite grep mysql telling me I seem to have a pid; 0 46 1 0 0:00.01 ?? 0:00.01 /opt/local/bin/daemondo --label=mysql5 --start-cmd /opt/local/etc/LaunchDaemons/org.macports.mysql5/mysql5.wrapper start ; --stop-cmd /opt/local/etc/LaunchDaemons/org.macports.mysql5/mysql5.wrapper stop ; --restart-cmd /opt/local/etc/LaunchDaemons/org.macports.mysql5/mysql5.wrapper restart ; --pid=none 0 70 1 0 0:00.01 ?? 0:00.01 /bin/sh /opt/local/lib/mysql5/bin/mysqld_safe --datadir=/opt/local/var/db/mysql5 --pid-file=/opt/local/var/db/mysql5/localhost.pid 74 100 70 0 0:09.22 ?? 1:02.68 /opt/local/libexec/mysqld --basedir=/opt/local --datadir=/opt/local/var/db/mysql5 --user=mysql --pid-file=/opt/local/var/db/mysql5/localhost.pid --socket=/tmp/mysql.sock 501 66217 65266 0 0:00.00 ttys001 0:00.00 grep mysql How do I fix this? Are there any steps I can take next? I've been trying for a few weeks now and I've read round all relevant blog posts, so I'm completely out of ideas.

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• Lost connection to MySQL server during query

  - by Otavio

  I have a huge table and I need to process all rows in it. I'm always getting this Lost connection message and I'm not able to reconnect and restore the cursor to the last position it was. This is basically the code I have here: # import MySQLdb class DB: conn = None def connect(self): self.conn = MySQLdb.connect('hostname', 'user', '*****', 'some_table', cursorclass=MySQLdb.cursors.SSCursor) def query(self, sql): try: cursor = self.conn.cursor() cursor.execute(sql) except (AttributeError, MySQLdb.OperationalError): self.connect() cursor = self.conn.cursor() cursor.execute(sql) return cursor # # db = DB() sql = "SELECT bla FROM foo" data = db.query(sql) for row in data: do_something(row) # But I'm always getting this: # Traceback (most recent call last): File "teste.py", line 124, in <module> run() File "teste.py", line 109, in run for row in data: File "/usr/lib64/python2.5/site-packages/MySQLdb/cursors.py", line 417, in next row = self.fetchone() File "/usr/lib64/python2.5/site-packages/MySQLdb/cursors.py", line 388, in fetchone r = self._fetch_row(1) File "/usr/lib64/python2.5/site-packages/MySQLdb/cursors.py", line 285, in _fetch_row return self._result.fetch_row(size, self._fetch_type) _mysql_exceptions.OperationalError: (2013, 'Lost connection to MySQL server during query') Exception _mysql_exceptions.OperationalError: (2013, 'Lost connection to MySQL server during query') in <bound method SSCursor.__del__ of <MySQLdb.cursors.SSCursor object at 0x7f7e3c8da410>> ignored # Do you have any idea?

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• BASH statements execute alone but return "no such file" in for loop.

  - by reve_etrange

  Another one I can't find an answer for, and it feels like I've gone mad. I have a BASH script using a for loop to run a complex command (many protein sequence alignments) on a lot of files (~5000). The loop produces statements that will execute when given alone (i.e. copy-pasted from the error message to the command prompt), but which return "no such file or directory" inside the loop. Script below; there are actually several more arguments but this includes some representative ones and the file arguments. #!/bin/bash # Pass directory with targets as FASTA sequences as argument. # Arguments to psiblast # Common db=local/db/nr/nr outfile="/mnt/scratch/psi-blast" e=0.001 threads=8 itnum=5 pssm="/mnt/scratch/psi-blast/pssm." pssm_txt="/mnt/scratch/psi-blast/pssm." pseudo=0 pwa_inclusion=0.002 for i in ${1}/* do filename=$(basename $i) "local/ncbi-blast-2.2.23+/bin/psiblast\ -query ${i}\ -db $db\ -out ${outfile}/${filename}.out\ -evalue $e\ -num_threads $threads\ -num_iterations $itnum\ -out_pssm ${pssm}$filename\ -out_ascii_pssm ${pssm_txt}${filename}.txt\ -pseudocount $pseudo\ -inclusion_ethresh $pwa_inclusion" done Running this scripts gives "<scriptname> line <last line before 'done'>: <attempted command> : No such file or directory. If I then paste the attempted command onto the prompt it will run. Each of these commands takes a couple of minutes to run.

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• Searching for flexible way to specify conenction string used by APS.NET membership

  - by bzamfir

  Hi, I develop an asp.net web application and I use ASP.NET membership provider. The application uses the membership schema and all required objects inside main application database However, during development I have to switch to various databases, for different development and testing scenarios. For this I have an external connection strings section file and also an external appsettings section, which allow me to not change main web.config but switch the db easily, by changing setting only in appsettings section. My files are as below: <connectionStrings configSource="connections.config"> </connectionStrings> <appSettings file="local.config"> .... ConnectionStrings looks as usual: <connectionStrings> <add name="MyDB1" connectionString="..." ... /> <add name="MyDB2" connectionString="..." ... /> .... </connectionStrings> And local.config as below <appSettings> <add key="ConnectionString" value="MyDB2" /> My code takes into account to use this connection string But membership settings in web.config contains the connection string name directly into the setting, like <add name="MembershipProvider" connectionStringName="MyDB2" ...> .... <add name="RoleProvider" connectionStringName="MyDB2" ...> Because of this, every time I have to edit them too to use the new db. Is there any way to config membership provider to use an appsetting to select db connection for membership db? Or to "redirect" it to read connection setting from somewhere else? Or at least to have this in some external file (like local.config) Maybe is some easy way to wrap asp.net membership provider intio my own provider which will just read connection string from where I want and pass it to original membership provider, and then just delegate the whole membership functionality to asp.net membership provider. Thanks.

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• Database structure and source control - best practice

  - by Paddy

  Background I came from several years working in a company where all the database objects were stored in source control, one file per object. We had a list of all the objects that was maintained when new items were added (to allow us to have scripts run in order and handle dependencies) and a VB script that ran to create one big script for running against the database. All the tables were 'create if not exists' and all the SP's etc. were drop and recreate. Up to the present and I am now working in a place where the database is the master and there is no source control for DB objects, but we do use redgate's tools for updating our production database (SQL compare), which is very handy, and requires little work. Question How do you handle your DB objects? I like to have them under source control (and, as we're using GIT, I'd like to be able to handle merge conflicts in the scripts, rather than the DB), but I'm going to be pressed to get past the ease of using SQL compare to update the database. I don't really want to have us updating scripts in GIT and then using SQL compare to update the production database from our DEV DB, as I'd rather have 'one version of the truth', but I don't really want to get into re-writing a custom bit of software to bundle the whole lot of scripts together. I think that visual studio database edition may do something similar to this, but I'm not sure if we will have the budget for it. I'm sure that this has been asked to death, but I can't find anything that seems to quite have the answer I'm looking for. Similar to this, but not quite the same: http://stackoverflow.com/questions/340614/what-are-the-best-practices-for-database-scripts-under-code-control

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• Migrating data from Plone to Liferay, or how could I retrieve information from Plone's Data.fs

  - by brandizzi

  Hello, all. I need to migrate data from a Plone-based portal to Liferay. Has anyone some idea on how to do it? Anyway, I am trying to retrieve data from Data.fs and store it in a representation easier to work, such as JSON. To do it, I need to know which objects I should get from Plone's Data.fs. I already got the Products.CMFPlone.Portal.PloneSite instance from the Data.fs, but I cannot get anything from it. I would like to get the PloneSite instance and do something like this: >>> import ZODB >>> from ZODB import FileStorage, DB >>> path = r"C:\Arquivos de programas\Plone\var\filestorage\Data.fs" >>> storage = FileStorage.FileStorage(path) >>> db = DB(storage) >>> conn = db.open() >>> root = conn.root() >>> app = root['Application'] >>> plone_site = app.getChildNodes()[13] # 13 would be index of PloneSite object >>> a = plone_site.get_articles() >>> for article in a: ... print "Title:", a.title ... print "Content:", a.content Title: <some title> Conent: <some content> Title: <some title> Conent: <some content> Of course, it did not need to be so straightforward. I just want some information about the structure of PloneSite and how to recover its data. Has anyone some idea? Thank you in advance!

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• asp.net mvc json result format

  - by ile

  public class JsonCategoriesDisplay { public JsonCategoriesDisplay() { } public int CategoryID { set; get; } public string CategoryTitle { set; get; } } public class ArticleCategoryRepository { private DB db = new DB(); public IQueryable<JsonCategoriesDisplay> JsonFindAllCategories() { var result = from c in db.ArticleCategories select new JsonCategoriesDisplay { CategoryID = c.CategoryID, CategoryTitle = c.Title }; return result; } .... } public class ArticleController : Controller { ArticleRepository articleRepository = new ArticleRepository(); ArticleCategoryRepository articleCategoryRepository = new ArticleCategoryRepository(); public string Categories() { var jsonCats = articleCategoryRepository.JsonFindAllCategories().ToList(); //return Json(jsonCats, JsonRequestBehavior.AllowGet); return new JavaScriptSerializer().Serialize(new { jsonCats}); } } This results with following: {"jsonCats":[{"CategoryID":2,"CategoryTitle":"Politika"},{"CategoryID":3,"CategoryTitle":"Informatika"},{"CategoryID":4,"CategoryTitle":"Nova kategorija"},{"CategoryID":5,"CategoryTitle":"Testna kategorija"}]} If I use line that is commented and place JsonResult instead of returning string, I get following result: [{"CategoryID":2,"CategoryTitle":"Politika"},{"CategoryID":3,"CategoryTitle":"Informatika"},{"CategoryID":4,"CategoryTitle":"Nova kategorija"},{"CategoryID":5,"CategoryTitle":"Testna kategorija"}] But, I need result to be formatted like this: {'2':'Politika','3':'Informatika','4':'Nova kateorija','5':'Testna kategorija'} Is there a simple way to accomplish this or I will need to hardcode result? Thanks in advance!

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• Automatic Adjusting Range Table

  - by Bradford

  I have a table with a start date range, an end date range, and a few other additional columns. On input of a new record, I want to automatically adjust any overlapping date ranges (shrinking them to allow for the new input). I also want to ensure that no overlapping records can accidentally be inserted into this table. I'm using Oracle and Java for my application code. How should I enforce the prevention of overlapping date ranges and also allow for automatically adjusting overlapping ranges? Should I create an AFTER INSERT trigger, with a dbms_lock to serialize access, to prevent the overlapping data. Then in Java, apply the logic to auto adjust everything? Or should that part be in PL/SQL in stored procedure call? This is something that we need for a couple other tables so it'd be nice to abstract. If anyone has something like this already written, please share :) I did find this reference: http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:474221407101 Here's an example of how each of the 4 overlapping cases should be handled for adjustment on insert: = Example 1 = In DB (Start, End, Value): (0, 10, 'X') **(30, 100, 'Z') (200, 500, 'Y') Input (20, 50, 'A') Gives (0, 10, 'X') **(20, 50, 'A') **(51, 100, 'Z') (200, 500, 'Y') = Example 2 = In DB (Start, End, Value): (0, 10, 'X') **(30, 100, 'Z') (200, 500, 'Y') Input (40, 80, 'A') Gives (0, 10, 'X') **(30, 39, 'Z') **(40, 80, 'A') **(81, 100, 'Z') (200, 500, 'Y') = Example 3 = In DB (Start, End, Value): (0, 10, 'X') **(30, 100, 'Z') (200, 500, 'Y') Input (50, 120, 'A') Gives (0, 10, 'X') **(30, 49, 'Z') **(50, 120, 'A') (200, 500, 'Y') = Example 4 = In DB (Start, End, Value): (0, 10, 'X') **(30, 100, 'Z') (200, 500, 'Y') Input (20, 120, 'A') Gives (0, 10, 'X') **(20, 120, 'A') (200, 500, 'Y') The algorithm is as follows: given range = g; input range = i; output range set = o if i.start <= g.start if i.end >= g.end o_1 = i else o_1 = i o_2 = (o.end + 1, g.end) else if i.end >= g.end o_1 = (g.start, i.start - 1) o_2 = i else o_1 = (g.start, i.start - 1) o_2 = i o_3 = (i.end + 1, i.end)

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• EAV Database Sheme

  - by GLO

  Hello Stackoverflow comunity! I believe that my question has to do with all db guru here! Do you know the EAV DB Scheme ( http://en.wikipedia.org/wiki/Entity-attribute-value_model ) and what they say about the performing of this model. I wonder, If I break this model into smaller tables what the result is? Let's talk about it. I have a db with more that 100K records. A lot of categories and many items ( with different properties per category ) Everything is stored in a EAV. If I try to break this scheme and create for any category a unique table is something that will I have to avoid? Yes, I know that probably I'll have a lot of tables and I'll need to ALTER them if I want to add an extra field, BUT is this so wrong? I have also read that as many tables I have, the db will be populate with more files and this isn't good for any filesystem. Any suggestion? Thank you!

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• Yahoo BOSS Python Library, ExpatError

  - by Wraith

  I tried to install the Yahoo BOSS mashup framework, but am having trouble running the examples provided. Examples 1, 2, 5, and 6 work, but 3 & 4 give Expat errors. Here is the output from ex3.py: gpython examples/ex3.py examples/ex3.py:33: Warning: 'as' will become a reserved keyword in Python 2.6 Traceback (most recent call last): File "examples/ex3.py", line 27, in <module> digg = db.select(name="dg", udf=titlef, url="http://digg.com/rss_search?search=google+android&area=dig&type=both&section=news") File "/usr/lib/python2.5/site-packages/yos/yql/db.py", line 214, in select tb = create(name, data=data, url=url, keep_standards_prefix=keep_standards_prefix) File "/usr/lib/python2.5/site-packages/yos/yql/db.py", line 201, in create return WebTable(name, d=rest.load(url), keep_standards_prefix=keep_standards_prefix) File "/usr/lib/python2.5/site-packages/yos/crawl/rest.py", line 38, in load return xml2dict.fromstring(dl) File "/usr/lib/python2.5/site-packages/yos/crawl/xml2dict.py", line 41, in fromstring t = ET.fromstring(s) File "/usr/lib/python2.5/xml/etree/ElementTree.py", line 963, in XML parser.feed(text) File "/usr/lib/python2.5/xml/etree/ElementTree.py", line 1245, in feed self._parser.Parse(data, 0) xml.parsers.expat.ExpatError: syntax error: line 1, column 0 It looks like both examples are failing when trying to query Digg.com. Here is the query that is constructed in ex3.py's code: diggf = lambda r: {"title": r["title"]["value"], "diggs": int(r["diggCount"]["value"])} digg = db.select(name="dg", udf=diggf, url="http://digg.com/rss_search?search=google+android&area=dig&type=both&section=news") Any help is appreciated. Thanks!

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• Lotus Notes - Export emails to plain text file

  - by mbeckish

  I am setting up a Lotus Notes account to accept emails from a client, and automatically save each email as a plain text file to be processed by another application. So, I'm trying to create my very first Agent in Lotus to automatically export the emails to text. Is there a standard, best practices way to do this? I've created a LotusScript Agent that pretty much works. However, there is a bug - once the Body of the memo exceeds 32K characters, it starts inserting extra CR/LF pairs. I am using Lotus Notes 7.0.3. Here is my script: Sub Initialize On Error Goto ErrorCleanup Dim session As New NotesSession Dim db As NotesDatabase Dim doc As NotesDocument Dim uniqueID As Variant Dim curView As NotesView Dim docCount As Integer Dim notesInputFolder As String Dim notesValidOutputFolder As String Dim notesErrorOutputFolder As String Dim outputFolder As String Dim fileNum As Integer Dim bodyRichText As NotesRichTextItem Dim bodyUnformattedText As String Dim subjectText As NotesItem ''''''''''''''''''''''''''''''''''''''''''''''''''''''' 'INPUT OUTPUT LOCATIONS outputFolder = "\\PASCRIA\CignaDFS\CUser1\Home\mikebec\MyDocuments\" notesInputFolder = "IBEmails" notesValidOutputFolder = "IBEmailsDone" notesErrorOutputFolder="IBEmailsError" ''''''''''''''''''''''''''''''''''''''''''''''''''''''' Set db = session.CurrentDatabase Set curview = db.GetView(notesInputFolder ) docCount = curview.EntryCount Print "NUMBER OF DOCS " & docCount fileNum = 1 While (docCount > 0) 'set current doc to Set doc = curview.GetNthDocument(docCount) Set bodyRichText = doc.GetFirstItem( "Body" ) bodyUnformattedText = bodyRichText.GetUnformattedText() Set subjectText = doc.GetFirstItem("Subject") If subjectText.Text = "LotusAgentTest" Then uniqueID = Evaluate("@Unique") Open "\\PASCRIA\CignaDFS\CUser1\Home\mikebec\MyDocuments\email_" & uniqueID(0) & ".txt" For Output As fileNum Print #fileNum, "Subject:" & subjectText.Text Print #fileNum, "Date:" & Now Print #fileNum, bodyUnformattedText Close fileNum fileNum = fileNum + 1 Call doc.PutInFolder(notesValidOutputFolder) Call doc.RemoveFromFolder(notesInputFolder) End If doccount = doccount-1 Wend Exit Sub ErrorCleanup: Call sendErrorEmail(db,doc.GetItemValue("From")(0)) Call doc.PutInFolder(notesErrorOutputFolder) Call doc.RemoveFromFolder(notesInputFolder) End Sub Update Apparently the 32KB issue isn't consistent - so far, it's just one document that starts getting extra carriage returns after 32K.

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• Linq to sql DataContext cannot set load options after results been returned

  - by David Liddle

  I have two tables A and B with a one-to-many relationship respectively. On some pages I would like to get a list of A objects only. On other pages I would like to load A with objects in B attached. This can be handled by setting the load options DataLoadOptions options = new DataLoadOptions(); options.LoadWith<A>(a => a.B); dataContext.LoadOptions = options; The trouble occurs when I first of all view all A's with load options, then go to edit a single A (do not use load options), and after edit return to the previous page. I understand why the error is occurring but not sure how to best get round this problem. I would like the DataContext to be loaded up per request. I thought I was achieving this by using StructureMap to load up my DataContext on a per request basis. This is all part of an n-tier application where my Controllers call Services which in turn call Repositories. ForRequestedType<MyDataContext>() .CacheBy(InstanceScope.PerRequest) .TheDefault.Is.Object(new MyDataContext()); ForRequestedType<IAService>() .TheDefault.Is.OfConcreteType<AService>(); ForRequestedType<IARepository>() .TheDefault.Is.OfConcreteType<ARepository>(); Here is a brief outline of my Repository public class ARepository : IARepository { private MyDataContext db; public ARepository(MyDataContext context) { db = context; } public void SetLoadOptions(DataLoadOptions options) { db.LoadOptions = options; } public IQueryable<A> Get() { return from a in db.A select a; } So my ServiceLayer, on View All, sets the load options and then gets all A's. On editing A my ServiceLayer should spin up a new DataContext and just fetch a list of A's. When sql profiling, I can see that when I go to the Edit page it is requesting A with B objects.

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• LINQ Datacontext Disposal Issues

  - by Refracted Paladin

  I am getting a Cannot access object: DataContext after it's been disposed in the below DAL method. I thought that I would be okay calling dispose there. result is an IEnumurable and I thought it was IQueryable that caused these kinds of problems. What am I doing wrong? How SHOULD I be disposing of my DataContext. Is there something better to be returning then a DataTable? This is a Desktop app that points at SQL 2005. Example method that causes this error -- public static DataTable GetEnrolledMembers(Guid workerID) { var DB = CmoDataContext.Create(); var AllEnrollees = from enrollment in DB.tblCMOEnrollments where enrollment.CMOSocialWorkerID == workerID || enrollment.CMONurseID == workerID join supportWorker in DB.tblSupportWorkers on enrollment.EconomicSupportWorkerID equals supportWorker.SupportWorkerID into workerGroup from worker in workerGroup.DefaultIfEmpty() select new { enrollment.ClientID, enrollment.CMONurseID, enrollment.CMOSocialWorkerID, enrollment.EnrollmentDate, enrollment.DisenrollmentDate, ESFirstName = worker.FirstName, ESLastName = worker.LastName, ESPhone = worker.Phone }; var result = from enrollee in AllEnrollees.AsEnumerable() where (enrollee.DisenrollmentDate == null || enrollee.DisenrollmentDate > DateTime.Now) //let memberName = BLLConnect.MemberName(enrollee.ClientID) let lastName = BLLConnect.MemberLastName(enrollee.ClientID) let firstName = BLLConnect.MemberFirstName(enrollee.ClientID) orderby enrollee.DisenrollmentDate ascending, lastName ascending select new { enrollee.ClientID, //MemberName = memberName, LastName = lastName, FirstName = firstName, NurseName = BLLAspnetdb.NurseName(enrollee.CMONurseID), SocialWorkerName = BLLAspnetdb.SocialWorkerName(enrollee.CMOSocialWorkerID), enrollee.EnrollmentDate, enrollee.DisenrollmentDate, ESWorkerName = enrollee.ESFirstName + " " + enrollee.ESLastName, enrollee.ESPhone }; DB.Dispose(); return result.CopyLinqToDataTable(); } partial class where I create the DataContext -- partial class CmoDataContext { public static bool IsDisconnectedUser { get { return Settings.Default.IsDisconnectedUser; } } public static CmoDataContext Create() { var cs = IsDisconnectedUser ? Settings.Default.CMOConnectionString : Settings.Default.Central_CMOConnectionString; return new CmoDataContext(cs); }

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• Cannot return view model after POST

  - by Interfector

  HI, I am trying to return a model after a POST but I receive the following error: Exception Details: System.InvalidOperationException: Operation is not valid due to the current state of the object. Line 29: public UsersModel getUser(Int32 id) { Line 30: return ( Line 31: from users in db.NUsers Line 32: join userSettings in db.NUsersSettings The code in the controller looks like this: [AcceptVerbs( HttpVerbs.Post )] public ActionResult Edit( NUsers user ) { //Other code that doesn't affect the error :) UsersModel userDetails = this.usersObj.getUser( user.UserID ); return View( userDetails ); } The getUser method looks like this: public UsersModel getUser(Int32 id) { return ( from users in db.NUsers join userSettings in db.NUsersSettings on users.UserID equals userSettings.UserID where users.UserID == id select new UsersModel { UserId = Convert.ToInt32( users.UserID ), Email = Convert.ToString( users.Email ), FirstName = Convert.ToString( users.FirstName ), LastName = Convert.ToString( users.LastName ), Language = Convert.ToString( userSettings.Language ), Phone = Convert.ToString( users.Phone ) } ).First(); } and finally the UsersModel if you think it is relevant: public class UsersModel { public int UserId; public string Email; public string FirstName; public string LastName; public string Language; public string Phone; public List<NLanguages> Languages; public UsersModel() { Models.Languages languagesObj = new Models.Languages(); Languages = languagesObj.getLanguages(); } } Any thoughts on what might be causing the error and what can I do to fix it? Thx

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• Sorting an array of Doubles with NaN in it

  - by Agent Worm

  This is more of a 'Can you explain this' type of question than it is anything else. I came across a problem at work where we were using NaN values in a table, but when the table was sorted, it came out in a very strange, strange manner. I figured NaN was mucking up something so I wrote up a test application to see if this is true. This is what I did. static void Main(string[] args) { double[] someArray = { 4.0, 2.0, double.NaN, 1.0, 5.0, 3.0, double.NaN, 10.0, 9.0, 8.0 }; foreach (double db in someArray) { Console.WriteLine(db); } Array.Sort(someArray); Console.WriteLine("\n\n"); foreach (double db in someArray) { Console.WriteLine(db); } Console.ReadLine(); } Which gave the result: Before: 4,2,NaN,1,5,3,NaN,10,9,8 After: 1,4,NaN,2,3,5,8,9,10,NaN So yes, the NaN some how made the sorted array to be sorted in a strange way. To quote Fry; "Why is those things?"

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• how I can print WPF treeview items over multiple pages?

  - by RAJKISHOR

  Hello friend, I want to print tree structure showing in WPF treeview control in multiple page. I tried PrintVisual() but it only prints only visible parts. Then I tried FlowDocument and written AddNode(), but its not showing the same result as treeview doimg. Please help me with code. public void AddNodes(int uid, ListItem tSubNode) { string query = "select fullname, id from members where refCode=" + uid + ";"; String memValue; MySqlCommand cmd = new MySqlCommand(query, db.conn); MySqlDataAdapter _DA = new MySqlDataAdapter(cmd); DataTable _DT = new DataTable(); _DA.Fill(_DT); ListOffset += 20; foreach (DataRow _dr in _DT.Rows) { ListItem tNode = new ListItem(); tNode.Margin = new Thickness(ListOffset,0,0,0); memValue = _dr["fullname"].ToString() + " (" + _dr["id"].ToString() + ")"; tNode.Blocks.Add(new Paragraph(new Run(hyp+memValue))); myList.ListItems.Add(tNode); flowDoc.Blocks.Add(myList); _fdrMembers.Document = flowDoc; if (db.HasMembers(Convert.ToInt32(_dr["id"].ToString()))) { AddNodes(Convert.ToInt32(_dr["id"]), tNode); } } ListOffset = 20; } private void button_Click(object sender, RoutedEventArgs e) { ListOffset = 0; myList.ListItems.Clear(); tSuper.Blocks.Clear(); if (db.GetNameByUID(100001) != null) { tSuper.Blocks.Add(new Paragraph(new Run(db.GetNameByUID(100001)))); myList.ListItems.Add(tSuper); AddNodes(100001, tSuper); } MessageBox.Show("Member by ID - "+does.ToString()+", "+dosnt.ToString(), "Error!", MessageBoxButton.OK, MessageBoxImage.Information); }**strong text**

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• Adding database results to array

  - by Jason

  Hi all, I am having a mental blank here and cannot for the life of me figure out a solution. My scenario is that I am programming in PHP and MySQL. I have a database table returning the results for a specific orderid. The query can return a maximum of 4 rows per order and a minimum of 1 row. Here is an image of how I want to return the results. I have all the orderdetails (Name, address) ect stored in a table named "orders". I have all the packages for that order stored in a table named "packages". What I need to do is using a loop I need to have access to each specific element of the database results (IE package1, itemstype1, package2, itemtype2) ect I am using a query like this to try and get hold of just the "number of items: $sql = "SELECT * FROM bookings_onetime_packages WHERE orderid = '".$orderid."' ORDER BY packageid DESC"; $total = $db-database_num_rows($db-database_query($sql)); $query = $db-database_query($sql); $noitems = ''; while($info = $db-database_fetch_assoc($query)){ $numberitems = $info['numberofitems']; for($i=0; $i $noitems .= $numberitems[$i]; } } print $noitems; I need to have access to each specific element because I them need to create fill out a pdf template using "fpdf". I hope this makes sense. Any direction would be greatly appreciated.

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• Using SVN with a MySQL database ran by xamp - yes or no? (and how?)

  - by Extrakun

  For my current PHP/MySQL project (over a group of 4 to 5 team members), we are using this setup: each developer codes and test on his localhost running xamp, and upload to a test server via SVN. One question that I have now is how to synchronize the MySQL database? I may have added a new table to project and the PHP code references to it, so my other team members would need to access that table for my code (once they got it through SVN) to work. We are not always working in the same office all the time, so having a LAN and a MySQL server in the office is not feasible. So I am toying with 2 solutions Setup a test DB online, and have all the coders will reference to that, even when coding from localhost. Downside: you can't test if you happen not have internet access. Somehow sync the localhost copy of MySQL DB. Is that kind of silly? And if I do consider this, how do I do it? (which folder do I add to SVN?) (I guess a related question is how to automatically update the live MySQL DB from the testing DB, regardless if it is on a remote server or hosted locally via xamp. Any advice regarding that would be welcomed!)

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• Using multiple aggregate functions in an (ANSI) SQL statement

  - by morpheous

  I have aggregate functions foo(), foobar(), fredstats(), barneystats() I want to create a domain specific query language (DSQL) above my DB, to facilitate using a domain language to query the DB. The 'language' comprises of algebraic expressions (or more specifically SQL like criteria) which I use to generate (ANSI) SQL statements which are sent to the db engine. The following lines are examples of what the language statements will look like, and hopefully, it will help further clarify the concept: **Example 1** DQL statement: foobar('yellow') between 1 and 3 and fredstats('weight') > 42 Translation: fetch all rows in an underlying table where computed values for aggregate function foobar() is between 1 and 3 AND computed value for AGG FUNC fredstats() is greater than 42 **Example 2** DQL statement: fredstats('weight') < barneystats('weight') AND foo('fighter') in (9,10,11) AND foobar('green') <> 42 Translation: Fetch all rows where the specified criteria matches **Example 3** DQL statement: foobar('green') / foobar('red') <> 42 Translation: Fetch all rows where the specified criteria matches **Example 4** DQL statement: foobar('green') - foobar('red') >= 42 Translation: Fetch all rows where the specified criteria matches Given the following information: The table upon which the queries above are being executed is called 'tbl' table 'tbl' has the following structure (id int, name varchar(32), weight float) The result set returns only the tbl.id, tbl.name and the names of the aggregate functions as columns in the result set - so for example the foobar() AGG FUNC column will be called foobar in the result set. So for example, the first DQL query will return a result set with the following columns: id, name, foobar, fredstats Given the above, my questions then are: What would be the underlying SQL required for Example1 ? What would be the underlying SQL required for Example3 ? Given an algebraic equation comprising of AGGREGATE functions, Is there a way of generalizing the algorithm needed to generate the required ANSI SQL statement(s)? I am using PostgreSQL as the db, but I would prefer to use ANSI SQL wherever possible.

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• Trouble with LINQ databind to GridView and RowDataBound

  - by Michael

  Greetings all, I am working on redesigning my personal Web site using VS 2008 and have chosen to use LINQ to create by data-access layer. Part of my site will be a little app to help manage my budget better. My first LINQ query does successfully execute and display in a GridView, but when I try to use a RowDataBound event to work with the results and refine them a bit, I get the error: The type or namespace name 'var' could not be found (are you missing a using directive or an assembly reference?) This interesting part is, if I just try to put in a var s = "s"; anywhere else in the same file, I get the same error too. If I go to other files in the web project, var s = "s"; compiles fine. Here is the LINQ Query call: public static IQueryable pubGetRecentTransactions(int param_accountid) { clsDataContext db; db = new clsDataContext(); var query = from d in db.tblMoneyTransactions join p in db.tblMoneyTransactions on d.iParentTransID equals p.iTransID into dp from p in dp.DefaultIfEmpty() where d.iAccountID == param_accountid orderby d.dtTransDate descending, d.iTransID ascending select new { d.iTransID, d.dtTransDate, sTransDesc = p != null ? p.sTransDesc : d.sTransDesc, d.sTransMemo, d.mTransAmt, d.iCheckNum, d.iParentTransID, d.iReconciled, d.bIsTransfer }; return query; } protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { this.prvLoadData(); } } internal void prvLoadData() { prvCtlGridTransactions.DataSource = clsMoneyTransactions.pubGetRecentTransactions(2); prvCtlGridTransactions.DataBind(); } protected void prvCtlGridTransactions_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { var datarow = e.Row.DataItem; var s = "s"; e.Row.Cells[0].Text = datarow.dtTransDate.ToShortDateString(); e.Row.Cells[1].Text = datarow.sTransDesc; e.Row.Cells[2].Text = datarow.mTransAmt.ToString("c"); e.Row.Cells[3].Text = datarow.iReconciled.ToString(); }//end if }//end RowDataBound My googling to date hasn't found a good answer, so I turn it over to this trusted community. I appreciate your time in assisting me.

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• Django and Google App Engine Helper not finding the ipaddr module.

  - by Phil

  I'm trying to get Django running on GAE using this tutorial. When I run python manage.py runserver I get the stacktrace below. I'm new to both django and python so I don't know what my next steps are (This is Ubuntu Jaunty btw). It seems django isn't finding the GAE module ipaddr which comes with SDK 1.3.1. How do I get django to find this module? /home/username/bin/google_appengine/google/appengine/api/datastore_file_stub.py:40: DeprecationWarning: the md5 module is deprecated; use hashlib instead import md5 /home/username/bin/google_appengine/google/appengine/api/memcache/__init__.py:31: DeprecationWarning: the sha module is deprecated; use the hashlib module instead import sha Traceback (most recent call last): File "manage.py", line 18, in <module> InstallAppengineHelperForDjango() File "/home/username/Development/GAE/myapp/appengine_django/__init__.py", line 543, in InstallAppengineHelperForDjango InstallDjangoModuleReplacements() File "/home/username/Development/GAE/myapp/appengine_django/__init__.py", line 260, in InstallDjangoModuleReplacements import django.db File "/home/username/Development/GAE/myapp/django/db/__init__.py", line 57, in <module> 'TIME_ZONE': settings.TIME_ZONE, File "/home/username/Development/GAE/myapp/appengine_django/db/base.py", line 117, in __init__ self._setup_stubs() File "/home/username/Development/GAE/myapp/appengine_django/db/base.py", line 128, in _setup_stubs from google.appengine.tools import dev_appserver_main File "/home/username/bin/google_appengine/google/appengine/tools/dev_appserver_main.py", line 82, in <module> from google.appengine.tools import appcfg File "/home/username/bin/google_appengine/google/appengine/tools/appcfg.py", line 53, in <module> from google.appengine.api import dosinfo File "/home/username/bin/google_appengine/google/appengine/api/dosinfo.py", line 25, in <module> import ipaddr ImportError: No module named ipaddr

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• Generic unit test scheduling

  - by Raphink

  Hello, I'm (re)writing a program that does generic unit test scheduling. The current program is a mono-threaded Perl program, but I'm willing to modularize it and parallelize the tests. I'm also considering rewriting it in Python. Here is what I need to do: I have a list of tests, with the following attributes: uri: a URI to test (could be HTTP/HTTPS/SSH/local) ; depends: an associative array of tests/values that this test depends on ; join: a list of DB joints to be added when selecting items to process in this test ; depends_db: additional conditions to add to the DB request when selecting items to process in this test. The program builds a dependency tree, beginning with the tests that have no dependencies ; for each test: a list of items is selected from the database using the conditions (results of depending tests, joints and depends_db) ; the list of items is sent to the URI (using POST or stdin) ; the result is retrived as a YAML file listing the state and comments for the test for each tested item ; the results are stored in the DB ; the test returns, allowing depending tests to be performed. the program generates reports (CSV, DB, graphviz) of the performed tests. The primary use of this program currently is to test a fleet of machines against services such as backup, DNS, etc. The tests can then be: - backup: hosted on the backup machine(s), called through HTTP, checks if the machines' backup went well ; - DNS: hosted on the local machine, called via stdin, checks if the machines' fqdn have a valid DNS entry. Does such a tool/module already exist? What would be the best implementation to achieve this (using Perl or Python)?

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• The Select query I am using is not working.. Can Somebody Guide me to the Correct way?

  - by Parth

  I am using the Select query as SELECT id, ordering FROM `jos_menu` WHERE ordering='".$rec['ordering'] -'1' ."' AND parent = '0' Here I need all the records whose ordering is less than 1 of the selected record's order($rec['ordering'] = getting from other select query ) when I am trying to echo the query I am not getting complete statement but getting only this -1' AND parent = '0' here is the whole snippet $where = ' WHERE (id = ' . implode( ' OR id = ', $cid ) . ')';//Pranav Dave Coded echo $selquery = "SELECT id, ordering FROM `jos_menu`".$where; //Pranav Dave Coded $db->setQuery( $selquery );//Pranav Dave Coded $record = $db->loadAssocList(); //Pranav Dave Coded if ($model->orderItem($id, -1)) { echo "<pre>"; print_r($model); /*exit;*/ //echo $updorderup = mysql_escape_string($model->_db->_sql);//Pranav Dave Coded foreach($record as $rec)//Pranav Dave Coded { echo $aboverow = "SELECT id, ordering FROM `jos_menu` WHERE ordering='".$rec['ordering'] -'1' ."' AND parent = '0'"; $db->setQuery( $aboverow ); $above = $db->loadAssoc(); echo "<pre>"; print_r($above); }//end of foreach }//end of if Please suggest me where I am getting wrong.....

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• How to read LARGE Sqlite file to be copied into Android emulator, or device from assets folder?

  - by Peter SHINe ???

  I guess many people already read this article: Using your own SQLite database in Android applications: http://www.reigndesign.com/blog/using-your-own-sqlite-database-in-android-applications/comment-page-2/#comment-12368 However it's keep bringing IOException at while ((length = myInput.read(buffer))>0){ myOutput.write(buffer, 0, length); } I’am trying to use a large DB file. It’s as big as 8MB I built it using sqlite3 in Mac OS X, inserted UTF-8 encoded strings (for I am using Korean), added android_meta table with ko_KR as locale, as instructed above. However, When I debug, it keeps showing IOException at length=myInput.read(buffer) I suspect it’s caused by trying to read a big file. If not, I have no clue why. I tested the same code using much smaller text file, and it worked fine. Can anyone help me out on this? I’ve searched many places, but no place gave me the clear answer, or good solution. Good meaning efficient or easy. I will try use BufferedInput(Output)Stream, but if the simpler one cannot work, I don’t think this will work either. Can anyone explain the fundamental limits in file input/output in Android, and the right way around it, possibly? I will really appreciate anyone’s considerate answer. Thank you. WITH MORE DETAIL: private void copyDataBase() throws IOException{ //Open your local db as the input stream InputStream myInput = myContext.getAssets().open(DB_NAME); // Path to the just created empty db String outFileName = DB_PATH + DB_NAME; //Open the empty db as the output stream OutputStream myOutput = new FileOutputStream(outFileName); //transfer bytes from the inputfile to the outputfile byte[] buffer = new byte[1024]; int length; while ((length = myInput.read(buffer))>0){ myOutput.write(buffer, 0, length); } //Close the streams myOutput.flush(); myOutput.close(); myInput.close(); }

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• Integrating Search Server 2008 Express with WSS 3.0

  - by Jason Kemp

  I'm setting up the environment for an intranet using WSS (Windows SharePoint Services) 3.0. The catch is getting the environment configured to work with MS Search Server 2008 Express. Here's the environment I'd like to setup: A: Web Server; Win Server 2003 SP2; WSS 3.0 SP2; IIS 6.0; .NET 3.5 SP1 B: Search Server; Win Server 2003 SP2; WSS 3.0 SP2; IIS 6.0; .NET 3.5 SP1; Search Server 2008 Express C: Database Server; Win Server 2003 SP2; SQL Server 2000 SP3 - Admin db, Content db, Config db, Search db The question is whether 3 servers can be used like the above configuration or if the Search Server (B) has to be combined with (A) since we're using the free Express version of the Search Server. The documentation from MS doesn't make it clear either way. I can attack this problem with trial and error but would rather not. The bigger question is: What is the best practice for a WSS / Search Server installation?

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