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  • Nhibernate get collection by ICriteria

    - by Andrew Kalashnikov
    Hello, colleagues. I've got a problem at getting my entity. MApping: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="Clients.Core" namespace="Clients.Core.Domains"> <class name="Sales, Clients.Core" table='sales'> <id name="Id" unsaved-value="0"> <column name="id" not-null="true"/> <generator class="native"/> </id> <property name="Guid"> <column name="guid"/> </property> <set name="Accounts" table="sales_users" lazy="false"> <key column="sales_id" /> <element column="user_id" type="Int32" /> </set> </class> Domain: public class Sales : BaseDomain { ICollection<int> accounts = new List<int>(); public virtual ICollection<int> Accounts { get { return accounts; } set { accounts = value; } } public Sales() { } } I want get query such as SELECT * FROM sales s INNER JOIN sales_users su on su.sales_id=s.id WHERE su.user_id=:N How can i do this through ICriterion object? Thanks a lot.

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  • What is happening in this T-SQL code?

    - by Ben McCormack
    I'm just starting to learn T-SQL and could use some help in understanding what's going on in a particular block of code. I modified some code in an answer I received in a previous question, and here is the code in question: DECLARE @column_list AS varchar(max) SELECT @column_list = COALESCE(@column_list, ',') + 'SUM(Case When Sku2=' + CONVERT(varchar, Sku2) + ' Then Quantity Else 0 End) As [' + CONVERT(varchar, Sku2) + ' - ' + Convert(varchar,Description) +'],' FROM OrderDetailDeliveryReview Inner Join InvMast on SKU2 = SKU and LocationTypeID=4 GROUP BY Sku2 , Description ORDER BY Sku2 Set @column_list = Left(@column_list,Len(@column_list)-1) Select @column_list ---------------------------------------- 1 row is returned: ,SUM(Case When Sku2=157 Then Quantity Else 0 End) As [157 -..., SUM(Case ... The T-SQL code does exactly what I want, which is to make a single result based on the results of a query, which will then be used in another query. However, I can't figure out how the SELECT @column_list =... statement is putting multiple values into a single string of characters by being inside a SELECT statement. Without the assignment to @column_list, the SELECT statement would simply return multiple rows. How is it that by having the variable within the SELECT statement that the results get "flattened" down into one value? How should I read this T-SQL to properly understand what's going on?

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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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  • shoulda macros with rspec2 beta 5 and rails3 beta2

    - by Millisami
    I've setup Rspec2 beta5 and shoulda as following to use shoulda macros inside rspec model tests. Gemfile group :test do gem "rspec", ">= 2.0.0.beta.4" gem "rspec-rails", ">= 2.0.0.beta.4" gem 'shoulda', :git => 'git://github.com/bmaddy/ shoulda.git' gem "faker" gem "machinist" gem "pickle", :git => 'git://github.com/codegram/ pickle.git' gem 'capybara', :git => 'git://github.com/jnicklas/ capybara.git' gem 'database_cleaner', :git => 'git://github.com/bmabey/ database_cleaner.git' gem 'cucumber-rails', :git => 'git://github.com/aslakhellesoy/ cucumber-rails.git' end *spec_helper.rb* Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f} require 'shoulda' Rspec.configure do |config| *spec/models/outlet_spec.rb* require 'spec_helper' describe Outlet do it { should validate_presence_of(:name) } end And when I run the spec, I get the following error. [~/rails_apps/rails3_apps/automation (master)?] ? spec spec/models/ outlet_spec.rb DEPRECATION WARNING: RAILS_ROOT is deprecated! Use Rails.root instead. (called from join at /home/millisami/.rvm/gems/ruby-1.9.1-p378%rails3/ bundler/gems/shoulda-87e75311f83548760114cd4188afa4f83fecdc22-master/ lib/shoulda/autoload_macros.rb:40) F 1) Outlet Failure/Error: it { should validate_presence_of(:name) } undefined method `validate_presence_of' for #<Rspec::Core::ExampleGroup::Nested_1:0xc4dc138 @__memoized={}> # ./spec/models/outlet_spec.rb:4:in `block (2 levels) in <top (required)>' Finished in 0.0399 seconds 1 example, 1 failures [~/rails_apps/rails3_apps/automation (master)?] ? Why the "undefined method" ?? Is the shoulda getting loaded?

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  • Styling a comment box to appear below dynamically-generated comments

    - by John
    Hello, For the code below, how could I make the form always appear 30 pixels below the bottom of the HTML table styled with "commentecho"? Thanks in advance, John $sqlStr = "SELECT comment.comment, comment.datecommented, login.username FROM comment LEFT JOIN login ON comment.loginid=login.loginid WHERE submissionid=$submissionid ORDER BY comment.datecommented DESC LIMIT 100"; $result = mysql_query($sqlStr); $arr = array(); echo "<table class=\"commentecho\">"; while ($row = mysql_fetch_array($result)) { echo '<tr>'; echo '<td class="commentname1">'.$row["comment"].'</td>'; echo '</tr>'; echo '<tr>'; echo '<td class="commentname2"><a href="http://www...com/sandbox/members/index.php?profile='.$row["username"].'">'.$row["username"].'</a>'.date('l, F j, Y &\nb\sp &\nb\sp g:i a &\nb\sp &\nb\sp \N\E\W &\nb\sp \Y\O\R\K &\nb\sp \T\I\M\E', strtotime($row["datecommented"])).'</td>'; echo '</tr>'; } echo "</table>"; echo '<form action="http://www...com/sandbox/comments/comments2.php" method="post"> <input type="hidden" value="'.$_SESSION['loginid'].'" name="uid"> <input type="hidden" value="'.$submissionid.'" name="submissionid"> <input type="hidden" value="'.$submission.'" name="submission"> <label class="addacomment" for="title">Add a comment:</label> <input class="commentsubfield" name="comment" type="comment" id="comment" maxlength="1000"> <div class="commentsubbutton"><input name="submit" type="submit" value="Submit"></div> </form> ';

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  • adding one time options to items

    - by rap-uvic
    Hello, I'm building an Event Registration site. For any given event, we'll have a handful of items to choose from. I have a table for these items. For each event we might have special options for users. For example, for one of the events new users get to buy an item which is not available to other users. This may not apply to all the events. For other events we might have some other restriction on items. I will obviously be checking this programmatically on application side. I would like to though, set up a column containing flag in the items table. But I don't find it feasible because this condition may only apply to one particular event. I don't want all the future items to have this column. What is a good approach to take in such a situation? Should I create a special "restrictions" table and just do a join? How would I handle this on the application side?

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  • Combo-box values automatically update

    - by glinch
    Hi all, hopefully somebody can help The table structure is as follows: tblCompany: compID compName tblOffice: offID, compID, add1, add2, add3 etc... tblEmployee: empID Name, telNo, etc... offID I have a form that contains contact details for employees, all works ok using after update. A cascading combo box, cmbComp, allows me to select a company, and inturn select the appropriate office, cboOff, and updates the corresponding tblEmployee.offID field correctly. Fields are automatically updated for the address also cmbComp: RowSource SELECT DISTINCT tblOffice.compID, tblCompany.compID FROM tblCompany INNER JOIN AdjusterCompanyOffice ON tblCompany.compID=tblOffice.compID ORDER BY tblCompany.compName; cboOff: RowSource SELECT tblCompany.offID, tblCompany.Address1, tblCompany.Address2, tblCompany.Address3, tblCompany.Address4, tblCompany.Address5 FROM tblCompany ORDER BY tblCompany.Address1; The problem I am having is that when i load a new record how to retrieve the data and automatically load the cmbComp and text fields. The cboOff combo box loads correctly as the control source for this is the offID I imagine there must be a way of setting the value on opening the record? Not sure how though. I dont think I can set the controlsource cmbComp or text fields, or can I? Any help/point in the right direction appreciated, have been searching for a way to do this but cant get anywhere!

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  • Endless problems with a very simple python subprocess.Popen task

    - by Thomas
    I'd like python to send around a half-million integers in the range 0-255 each to an executable written in C++. This executable will then respond with a few thousand integers. Each on one line. This seems like it should be very simple to do with subprocess but i've had endless troubles. Right now im testing with code: // main() u32 num; std::cin >> num; u8* data = new u8[num]; for (u32 i = 0; i < num; ++i) std::cin >> data[i]; // test output / spit it back out for (u32 i = 0; i < num; ++i) std::cout << data[i] << std::endl; return 0; Building an array of strings ("data"), each like "255\n", in python and then using: output = proc.communicate("".join(data))[0] ...doesn't work (says stdin is closed, maybe too much at one time). Neither has using proc.stdin and proc.stdout worked. This should be so very simple, but I'm getting constant exceptions, and/or no output data returned to me. My Popen is currently: proc = Popen('aux/test_cpp_program', stdin=PIPE, stdout=PIPE, bufsize=1) Advise me before I pull my hair out. ;)

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  • complex MySQL Order by not working

    - by Les Reynolds
    Here is the select statement I'm using. The problem happens with the sorting. When it is like below, it only sorts by t2.userdb_user_first_name, doesn't matter if I put that first or second. When I remove that, it sorts just fine by the displayorder field value pair. So I know that part is working, but somehow the combination of the two causes the first_name to override it. What I want is for the records to be sorted by displayorder first, and then first_name within that. SELECT t1.userdb_id FROM default_en_userdbelements as t1 INNER JOIN default_en_userdb AS t2 ON t1.userdb_id = t2.userdb_id WHERE t1.userdbelements_field_name = 'newproject' AND t1.userdbelements_field_value = 'no' AND t2.userdb_user_first_name!='Default' ORDER BY (t1.userdbelements_field_name = 'displayorder' AND t1.userdbelements_field_value), t2.userdb_user_first_name; Edit: here is what I want to accomplish. I want to list the users (that are not new projects) from the userdb table, along with the details about the users that is stored in userdbelements. And I want that to be sorted first by userdbelements.displayorder, then by userdb.first_name. I hope that makes sense? Thanks for the really quick help! Edit: Sorry for disappearing, here is some sample data userdbelements userdbelements_id userdbelements_field_name userdbelements_field_value userdb_id 647 heat 1 648 displayorder 1 - Sponsored 1 645 condofees 1 userdb userdb_id userdb_user_name userdb_emailaddress userdb_user_first_name userdb_user_last_name 10 harbourlights [email protected] Harbourlights 1237 Northshore Blvd, Burlington 11 harbourview [email protected] Harbourview 415 Locust Street, Burlington 12 thebalmoral [email protected] The Balmoral 2075 & 2085 Amherst Heights Drive, Burlington

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  • DBD::SQLite::st execute failed: datatype mismatch

    - by Barton Chittenden
    Here's a snippit of perl code: sub insert_timesheet { my $dbh = shift; my $entryref = shift; my $insertme = join(',', @_); my $values_template = '?, ' x scalar(@_); chop $values_template; chop $values_template; #remove trailing comma my $insert = "INSERT INTO timesheet( $insertme ) VALUES ( $values_template );"; my $sth = $dbh->prepare($insert); debug("$insert"); my @values; foreach my $entry (@_){ push @values, $$entryref{$entry} } debug("@values"); my $rv = $sth->execute( @values ) or die $dbh->errstr; debug("sql return value: $rv"); $dbh->disconnect; } The value of $insert: [INSERT INTO timesheet( idx,Start_Time,End_Time,Project,Ticket_Number,Site,Duration,Notes ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ? );] Here are @values: [null '1270950742' '1270951642' 'asdf' 'asdf' 'adsf' 15 ''] Here's the schema of 'timesheet' timesheet( idx INTEGER PRIMARY KEY AUTOINCREMENT, Start_Time VARCHAR, End_Time VARCHAR, Duration INTEGER, Project VARCHAR, Ticket_Number VARCHAR, Site VARCHAR, Notes VARCHAR) Here's how things line up: ---- Insert Statement Schema @values ---- idx idx INTEGER PRIMARY KEY AUTOINCREMENT null: # this is not a mismatch, passing null will allow auto-increment. Start_Time Start_Time VARCHAR '1270950742' End_Time End_Time VARCHAR '1270951642' Project Project VARCHAR 'asdf' Ticket_Number Ticket_Number VARCHAR 'asdf' Site Site VARCHAR 'adsf' Duration Duration INTEGER 15 Notes Notes VARCHAR '' ... I can't see the data-type mis-match.

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  • Null Reference Exception In LINQ DataContext

    - by Frank
    I have a Null Reference Exception Caused by this code: var recentOrderers = (from p in db.CMS where p.ODR_DATE > DateTime.Today - new TimeSpan(60, 0, 0, 0) select p.SOLDNUM).Distinct(); result = (from p in db.CMS where p.ORDER_ST2 == "SH" && p.ODR_DATE > DateTime.Today - new TimeSpan(365, 0, 0, 0) && p.ODR_DATE < DateTime.Today - new TimeSpan(60, 0, 0, 0) && !(recentOrderers.Contains(p.SOLDNUM))/**/ select p.SOLDNUM).Distinct().Count(); result is of double type. When I comment out: !(recentOrderers.Contains(p.SOLDNUM)) The code runs fine. I have verified that recentOrderers is not null, and when I run: if(recentOrderes.Contains(0)) return; Execution follows this path and returns. Not sure what is going on, since I use similar code above it: var m = (from p in db.CMS where p.ORDER_ST2 == "SH" select p.SOLDNUM).Distinct(); double result = (from p in db.CUST join r in db.DEMGRAPH on p.CUSTNUM equals r.CUSTNUM where p.CTYPE3 == "cmh" && !(m.Contains(p.CUSTNUM)) && r.ColNEWMEMBERDAT.Value.Year > 1900 select p.CUSTNUM).Distinct().Count(); which also runs flawlessly. After noting the similarity, can anyone help? Thanks in advance. -Frank GTP, Inc.

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  • SQL Server: A Grouping question that's annoying me

    - by user366729
    I've been working with SQL Server for the better part of a decade, and this grouping (or partitioning, or ranking...I'm not sure what the answer is!) one has me stumped. Feels like it should be an easy one, too. I'll generalize my problem: Let's say I have 3 employees (don't worry about them quitting or anything...there's always 3), and I keep up with how I distribute their salaries on a monthly basis. Month Employee PercentOfTotal -------------------------------- 1 Alice 25% 1 Barbara 65% 1 Claire 10% 2 Alice 25% 2 Barbara 50% 2 Claire 25% 3 Alice 25% 3 Barbara 65% 3 Claire 10% As you can see, I've paid them the same percent in Months 1 and 3, but in Month 2, I've given Alice the same 25%, but Barbara got 50% and Claire got 25%. What I want to know is all the distinct distributions I've ever given. In this case there would be two -- one for months 1 and 3, and one for month 2. I'd expect the results to look something like this (NOTE: the ID, or sequencer, or whatever, doesn't matter) ID Employee PercentOfTotal -------------------------------- X Alice 25% X Barbara 65% X Claire 10% Y Alice 25% Y Barbara 50% Y Claire 25% Seems easy, right? I'm stumped! Anyone have an elegant solution? I just put together this solution while writing this question, which seems to work, but I'm wondering if there's a better way. Or maybe a different way from which I'll learn something. WITH temp_ids (Month) AS ( SELECT DISTINCT MIN(Month) FROM employees_paid GROUP BY PercentOfTotal ) SELECT EMP.Month, EMP.Employee, EMP.PercentOfTotal FROM employees_paid EMP JOIN temp_ids IDS ON EMP.Month = IDS.Month GROUP BY EMP.Month, EMP.Employee, EMP.PercentOfTotal Thanks y'all! -Ricky

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  • thread reaches end but isn't removed

    - by pstanton
    I create a bunch of threads to do some processing: new Thread("upd-" + id){ @Override public void run(){ try{ doSomething(); } catch (Throwable e){ LOG.error("error", e); } finally{ LOG.debug("thread death"); } } }.start(); I know i should be using a threadPool but i need to understand the following problem before i change it: I'm using eclipse's debugger and looking at the threads in the debug pane which lists active threads. Many of them complete as you would expect, and are removed from the debug pane, however some seem to stay in the list of active threads even though the log shows the "thread death" entry for these. When i attempt to debug these threads, they either do not pause for debugging or show an error dialog: "A timeout occurred while retrieving stack frames for thread: upd-...". there is some synchronization going on within the doSomething() call but i'm fairly sure it's ok and since the "thread death" log is being called i'm assuming these threads aren't deadlocked in that method. i don't do any Thread.join()s, however i do call a third party API but doubt they do either. Can anyone think of another reason these threads are lingering? Thanks. EDIT: I created this test to check the Garbage Collection theory: Thread thread = new Thread("!!!!!!!!!!!!!!!!") { @Override public void run() { System.out.println("running"); ThreadUs.sleepQuiet(5000); System.out.println("finished"); // <-- thread removed from list here } }; thread.start(); ThreadUs.sleepQuiet(10000); System.out.println(thread.isAlive()); // <-- thread already removed from list but hasn't been GC'd ThreadUs.sleepQuiet(10000); this proves that it is nothing to do with garbage collection as eclipse removes the thread from the thread list as soon as it completes and isn't waiting for the object to be de-referenced/GC'd.

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  • Optimizing PHP require_once's for low disk i/o?

    - by buggedcom
    Q1) I'm designing a CMS (-who isn't!) but priority is being given to caching. Literally everything is cached. DB rows, DB id queries, Configuration data, processed data, compiled templates. Currently it has two layers of caching. The first is a opcode cache or memory cache such as apc, eaccelerator, xcache or memcached. If an entry is not found in there it is then searched for in the secondary slow cache, ie php includes. Are the opcode caches actually faster than doing a require_once to a php file with a var_export'd array of data in it? My tests are inconclusive as my development box (5.3 of XAMPP) keeps throwing errors installing any of the aforementioned programs. Q2) The CMS has numerous helper classes that are autoloaded on demand instead of loading all files. Mostly each has a require before it so no autoloading needs to take place, however this is not the question. Because a page script can have up to 50/60 helper files included I have a feeling that if the site was under pressure it would buckle because of all the i/o that this incurs. Ignore for the moment that there is output cache in place that would remove the need for what I am about to suggest, and also that opcode caches would render this moot. What I have tried to do is join all the helper files required for the scripts execution in one single file. This is achievable and works well, however it has a side effect of greatly increasing the memory usage dramatically even though technically the same code is being used. What are your thoughts and opinions on this?

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  • Should this even be a has_many :through association?

    - by GoodGets
    A Post belongs_to a User, and a User has_many Posts. A Post also belongs_to a Topic, and a Topic has_many Posts. class User < ActiveRecord::Base has_many :posts end class Topic < ActiveRecord::Base has_many :posts end class Post < ActiveRecord::Base belongs_to :user belongs_to :topic end Well, that's pretty simple and very easy to set up, but when I display a Topic, I not only want all of the Posts for that Topic, but also the user_name and the user_photo of the User that made that Post. However, those attributes are stored in the User model and not tied to the Topic. So how would I go about setting that up? Maybe it can already be called since the Post model has two foreign keys, one for the User and one for the Topic? Or, maybe this is some sort of "one-way" has_many through assiociation. Like the Post would be the join model, and a Topic would has_many :users, :through = :posts. But the reverse of this is not true. Like a User does NOT has_many :topics. So would this even need to be has_many :though association? I guess I'm just a little confused on what the controller would look like to call both the Post and the User of that Post for a give Topic. Edit: Seriously, thank you to all that weighed in. I chose tal's answer because I used his code for my controller; however, I could have just as easily chosen either j.'s or tim's instead. Thank you both as well. This was so damn simple to implement, and I think today marks the day that I'm beginning to fall in love with rails.

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  • Download-from-PyPI-and-install script

    - by zubin71
    Hello, I have written a script which fetches a distribution, given the URL. After downloading the distribution, it compares the md5 hashes to verify that the file has been downloaded properly. This is how I do it. def download(package_name, url): import urllib2 downloader = urllib2.urlopen(url) package = downloader.read() package_file_path = os.path.join('/tmp', package_name) package_file = open(package_file_path, "w") package_file.write(package) package_file.close() I wonder if there is any better(more pythonic) way to do what I have done using the above code snippet. Also, once the package is downloaded this is what is done: def install_package(package_name): if package_name.endswith('.tar'): import tarfile tarfile.open('/tmp/' + package_name) tarfile.extract('/tmp') import shlex import subprocess installation_cmd = 'python %ssetup.py install' %('/tmp/'+package_name) subprocess.Popen(shlex.split(installation_cmd) As there are a number of imports for the install_package method, i wonder if there is a better way to do this. I`d love to have some constructive criticism and suggestions for improvement. Also, I have only implemented the install_package method for .tar files; would there be a better manner by which I could install .tar.gz and .zip files too without having to write seperate methods for each of these?

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  • sql server 2005 stored procedure unexpected behaviour

    - by user283405
    i have written a simple stored procedure (run as job) that checks user subscribe keyword alerts. when article posted the stored procedure sends email to those users if the subscribed keyword matched with article title. One section of my stored procedure is: OPEN @getInputBuffer FETCH NEXT FROM @getInputBuffer INTO @String WHILE @@FETCH_STATUS = 0 BEGIN --PRINT @String INSERT INTO #Temp(ArticleID,UserID) SELECT A.ID,@UserID FROM CONTAINSTABLE(Question,(Text),@String) QQ JOIN Article A WITH (NOLOCK) ON A.ID = QQ.[Key] WHERE A.ID > @ArticleID FETCH NEXT FROM @getInputBuffer INTO @String END CLOSE @getInputBuffer DEALLOCATE @getInputBuffer This job run every 5 minute and it checks last 50 articles. It was working fine for last 3 months but a week before it behaved unexpectedly. The problem is that it sends irrelevant results. The @String contains user alert keyword and it matches to the latest articles using Full text search. The normal execution time is 3 minutes but its execution time is 3 days (in problem). Now the current status is its working fine but we are unable to find any reason why it sent irrelevant results. Note: I am already removing noise words from user alert keyword. I am using SQL Server 2005 Enterprise Edition.

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  • Overlay only draws between first 2 points in Android

    - by LordSnoutimus
    Hi, I am experiencing an unusual error using ItemizedOverlay in Android. I am creating a GPS tracking device that plots a route between waypoints stored in a database. When I provide the first two sets of longitude and latitude points through the emulator in Eclipse, it draws a red line just how I want it, but if I send another GPS point, it animates to the point, but does not draw a line from the last point. public class MyOverlay extends ItemizedOverlay { // private Projection projection; private Paint linePaint; private Vector points; public MyOverlay(Drawable defaultMarker) { super(defaultMarker); points = new Vector<GeoPoint>(); //set colour, stroke width etc. linePaint = new Paint(); linePaint.setARGB(255, 255, 0, 0); linePaint.setStrokeWidth(3); linePaint.setDither(true); linePaint.setStyle(Style.FILL); linePaint.setAntiAlias(true); linePaint.setStrokeJoin(Paint.Join.ROUND); linePaint.setStrokeCap(Paint.Cap.ROUND); } public void addPoint(GeoPoint point) { points.addElement(point); } public void draw(Canvas canvas, MapView view, boolean shadow) { int size = points.size(); Point lastPoint = new Point(); if(size == 0) return; view.getProjection().toPixels(points.get(0), lastPoint); Point point = new Point(); for(int i = 1; i<size; i++){ view.getProjection().toPixels(points.get(i), point); canvas.drawLine(lastPoint.x, lastPoint.y, point.x, point.y, linePaint); lastPoint = point; } } @Override protected OverlayItem createItem(int arg0) { // TODO Auto-generated method stub return null; } @Override public int size() { // TODO Auto-generated method stub return 0; } }

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  • How to assign .net membership roles to individual database records

    - by mdresser
    I'm developing a system where we want to restrict the availability of information displayed to users based on their roles. e.g. I have a tabled called EventType (ID, EventTypeDescription) which contains the following records: 1, 'Basic Event' 2, 'Intermediate Event' 3, 'Admin Event' What I need to achieve is to filter the records returned based on the username (and hence role) of the logged-in user. e.g if an advanced user is logged in they will see all the event types, if the standard user is logged in they will only see the basic event type etc. Ideally id like to do this in a way which can be easily extended to other tables as necessary. So I'd like to avoid simply adding a 'Roles' field to each table where the data is user context sensitive. One idea I'm thinking of is to create some kind of permissions table like: PermissionsTable ( ID, Aspnet_RoleId, TableName, PrimaryKeyValue ) this has the drawback of using this is obviously having to use the table name to switch which table to join onto. Edit: In the absence of any better suggestions, I'm going to go with the last idea I mentioned, but instead of having a TableName field, I'm going to normalise the TableName out to it's own table as follows: TableNames ( ID, TableName ) UserPermissionsTable ( ID, Aspnet_UserId, TableID, PrimaryKeyValue )

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  • Apply a recursive CTE on grouped table rows (SQL server 2005).

    - by Evan V.
    Hi all, I have a table (ROOMUSAGE) containing the times people check in and out of rooms grouped by PERSONKEY and ROOMKEY. It looks like this: PERSONKEY | ROOMKEY | CHECKIN | CHECKOUT | ROW ---------------------------------------------------------------- 1 | 8 | 13-4-2010 10:00 | 13-4-2010 11:00 | 1 1 | 8 | 13-4-2010 08:00 | 13-4-2010 09:00 | 2 1 | 1 | 13-4-2010 15:00 | 13-4-2010 16:00 | 1 1 | 1 | 13-4-2010 14:00 | 13-4-2010 15:00 | 2 1 | 1 | 13-4-2010 13:00 | 13-4-2010 14:00 | 3 13 | 2 | 13-4-2010 15:00 | 13-4-2010 16:00 | 1 13 | 2 | 13-4-2010 15:00 | 13-4-2010 16:00 | 2 I want to select just the consecutive rows for each PERSONKEY, ROOMKEY grouping. So the desired resulting table is: PERSONKEY | ROOMKEY | CHECKIN | CHECKOUT | ROW ---------------------------------------------------------------- 1 | 8 | 13-4-2010 10:00 | 13-4-2010 11:00 | 1 1 | 1 | 13-4-2010 15:00 | 13-4-2010 16:00 | 1 1 | 1 | 13-4-2010 14:00 | 13-4-2010 15:00 | 2 1 | 1 | 13-4-2010 13:00 | 13-4-2010 14:00 | 3 13 | 2 | 13-4-2010 15:00 | 13-4-2010 16:00 | 1 I want to avoid using cursors so I thought I would use a recursive CTE. Here is what I came up with: ;with CTE (PERSONKEY, ROOMKEY, CHECKIN, CHECKOUT, ROW) as (select RU.PERSONKEY, RU.ROOMKEY, RU.CHECKIN, RU.CHECKOUT, RU.ROW from ROOMUSAGE RU where RU.ROW = 1 union all select RU.PERSONKEY, RU.ROOMKEY, RU.CHECKIN, RU.CHECKOUT, RU.ROW from ROOMUSAGE RU inner join CTE on RU.ROWNUM = CTE.ROWNUM + 1 where CTE.CHECKIN = RU.CHECKOUT and CTE.PERSONKEY = RU.PERSONKEY and CTE.ROOMKEY = RU.ROOMKEY) This worked OK for very small datasets (under 100 records) but it's unusable on large datasets. I'm thinking that I should somehow apply the cte recursevely on each PERSONKEY, ROOMKEY grouping on my ROOMUSAGE table but I am not sure how to do that. Any help would be much appreciated, Cheers!

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  • deploy a sinatra app with passenger gives only 404, page not founds. Yet a simple rack app works.

    - by berkes
    I have correctly (or prbably not) installed passenger on apache 2. Rack works, but sinatra keeps giving 404's. Here is what works: config.ru: #app = proc do |env| return [200, { "Content-Type" => "text/html" }, "hello <b>world</b>"] end run app Here is what works too: Running the app.rb (see below) with ruby app.rb and then looking at localhost:4567/about and / restarting the app, gives me a correct hello world. w00t. But then there is the sinatra entering the building: config.ru require 'rubygems' require 'sinatra' root_dir = File.dirname(__FILE__) set :environment, ENV['RACK_ENV'].to_sym set :root, root_dir set :app_file, File.join(root_dir, 'app.rb') disable :run run Sinatra::Application and an app.rb require 'rubygems' require 'sinatra' get '/' do "Hallo wereld!" end get '/about' do "Hello world, it's #{Time.now} at the server!" end This keeps giving 404s. /var/logs/apache2/error.log lists these correctly as "404" with something that worries me: 83.XXXXXXXXX - - [30/May/2010 16:06:52] "GET /about " 404 18 0.0007 83.XXXXXXXXX - - [30/May/2010 16:06:56] "GET / " 404 18 0.0007 The thing that worried me, is the space after the / and the /about. Would apache or sinatra go looking for /[space], like /%20? If anyone knows what this problem relates to, maybe a known bug (that I could not find) or a known gotcha? Maybe I am just being stupid and getting "it all wrong?" Otherwise any hints on where to get, read or log more developers data on a running rack, sinatra or passenger app would be helpfull too: to see what sinatra is looking for, for example. Some other information: Running ubuntu 9.04, apache2-mm-prefork (deb), mod_php5, ruby 1.8.7, passenger 2.2.11, sinatra 1.0

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  • Entity Framework self referencing entity deletion.

    - by Viktor
    Hello. I have a structure of folders like this: Folder1 Folder1.1 Folder1.2 Folder2 Folder2.1 Folder2.1.1 and so on.. The question is how to cascade delete them(i.e. when remove folder2 all children are also deleted). I can't set an ON DELETE action because MSSQL does not allow it. Can you give some suggesions? UPDATE: I wrote this stored proc, can I just leave it or it needs some modifications? SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROCEDURE sp_DeleteFoldersRecursive @parent_folder_id int AS BEGIN SET NOCOUNT ON; IF @parent_folder_id = 0 RETURN; CREATE TABLE #temp(fid INT ); DECLARE @Count INT; INSERT INTO #temp(fid) SELECT FolderId FROM Folders WHERE FolderId = @parent_folder_id; SET @Count = @@ROWCOUNT; WHILE @Count > 0 BEGIN INSERT INTO #temp(fid) SELECT FolderId FROM Folders WHERE EXISTS (SELECT FolderId FROM #temp WHERE Folders.ParentId = #temp.fid) AND NOT EXISTS (SELECT FolderId FROM #temp WHERE Folders.FolderId = #temp.fid); SET @Count = @@ROWCOUNT; END DELETE Folders FROM Folders INNER JOIN #temp ON Folders.FolderId = #temp.fid; DROP TABLE #temp; END GO

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  • Are there some cases where Python threads can safely manipulate shared state?

    - by erikg
    Some discussion in another question has encouraged me to to better understand cases where locking is required in multithreaded Python programs. Per this article on threading in Python, I have several solid, testable examples of pitfalls that can occur when multiple threads access shared state. The example race condition provided on this page involves races between threads reading and manipulating a shared variable stored in a dictionary. I think the case for a race here is very obvious, and fortunately is eminently testable. However, I have been unable to evoke a race condition with atomic operations such as list appends or variable increments. This test exhaustively attempts to demonstrate such a race: from threading import Thread, Lock import operator def contains_all_ints(l, n): l.sort() for i in xrange(0, n): if l[i] != i: return False return True def test(ntests): results = [] threads = [] def lockless_append(i): results.append(i) for i in xrange(0, ntests): threads.append(Thread(target=lockless_append, args=(i,))) threads[i].start() for i in xrange(0, ntests): threads[i].join() if len(results) != ntests or not contains_all_ints(results, ntests): return False else: return True for i in range(0,100): if test(100000): print "OK", i else: print "appending to a list without locks *is* unsafe" exit() I have run the test above without failure (100x 100k multithreaded appends). Can anyone get it to fail? Is there another class of object which can be made to misbehave via atomic, incremental, modification by threads? Do these implicitly 'atomic' semantics apply to other operations in Python? Is this directly related to the GIL?

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  • how to limit the number of datas in pdf

    - by udaya
    Hi I am exporting data from php page to word,, there i get 'n' number of datas in each page .... How to set the maximum number of data that a word page can contain ,,,, I want only 20 datas in a single page This is the coding i use to export the data to pdf In mysql_table.php the table for the pdf document is be generated <?php require('mysql_table.php'); class PDF extends PDF_MySQL_Table { function Header() { //Title $this->SetFont('Arial','',18); $this->Cell(0,6,'Country details',0,1,'C'); $this->Ln(10); parent::Header(); } } //Connect to database mysql_connect('localhost','root',''); mysql_select_db('cms'); $pdf=new PDF(); $pdf->AddPage(); //First table: put all columns automatically $pdf->Table("SELECT (SELECT COUNT(*) FROM tblentercountry t2 WHERE t2.dbName <= t1.dbName and dbIsDelete='0') AS SLNO ,dbName as Namee,t3.dbCountry as Country,t4.dbState as State,t5.dbTown as Town FROM tblentercountry t1 join tablecountry as t3, tablestate as t4, tabletown as t5 where t1.dbIsDelete='0' and t1.dbCountryId=t3.dbCountryId and t1.dbStateId=t4.dbStateId and t1.dbTownId=t5.dbTownId order by dbName"); $pdf->AddPage(); //Second table: specify 3 columns $pdf->AddCol('rank',20,'','C'); $pdf->AddCol('name',20,'tablecountry'); $pdf->AddCol('pop',20,'Pop (2001)','R'); $prop=array('HeaderColor'=>array(255,150,100), 'color1'=>array(210,245,255), 'color2'=>array(255,255,210), 'padding'=>2); //$pdf->Table('select dbCountry,dbCountryId from tablecountry limit 0,10',$prop); $pdf->Output(); ?> How to limit the number of datas in a page

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  • How to set different width for INPUT and DIV elements with Scriptaculous Ajax.Autocompleter?

    - by Grzegorz Gierlik
    Hello, I am working on autocompleter box based on Scriptaculous Ajax.Autocompleter. Here how my HTML/JS code looks like: <input type="text" maxlength="255" class="input iSearchInput" name="isearch_value" id="isearch" value="<wl@txt>Search</wl@txt>" onfocus="this.select()"> <br> <div id='isearch_choices' class='iSearchChoices'></div> <script> function iSearchGetSelectedId(text, li) { console.log([text, li.innerHTML].join("\n")); document.location.href = li.getAttribute("url"); } document.observe('dom:loaded', function() { new Ajax.Autocompleter("isearch", "isearch_choices", "/url", { paramName: "phrase", minChars: 1, afterUpdateElement : iSearchGetSelectedId }); $("isearch_choices").setStyle({width: "320px"}); }); </script> and CSS classes: input.iSearchInput { width: 155px; height: 26px; margin-top: 7px; line-height: 20px; } div.iSearchChoices { position:absolute; background-color:white; border:1px solid #888; margin:0; padding:0; width: 320px; } It works in general, but I need to have list of choices wider then input box. My first try was to set various width with CSS classes (like above), but it didn't work -- list of choices became as wide as input box. According to Firebug width defined by my CSS class was overwritten by width set by element.style CSS class, which seems to be defined by Ajax.Autocompleter. My second try was to set width for list of choices after creating Ajax.Autocompleter $("isearch_choices").setStyle({width: "320px"}); but it didn't work too :(. No more ideas :(. How to set different width for list of choices for Scriptaculous Ajax.Autocompleter?

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