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• Count rows against to SQL server (2005) table?

  - by David.Chu.ca

  I have a simple question with two options to get count of rows in a SQL server (2005). I am using VS 2005. There are two options to get the count: SELECT id FROM Table1 WHERE dt >= startDt AND dt < endDt;; I get a list of ids from above call in cache and then I get count by List.Count. Another option is SELECT COUNT(*) FROM Table1 WHERE dt >= startDt AND dt < endDt; The above call will get the count directly. The issue is that I had several cases of exceptions with the second method: timeout. What I found is that the table1 is too big with millions of data. When I used the first option, it seems OK. I am confused by the fact that Count() takes more time than getting all the rows(is that true?). Not sure if the aggregation call with Count() would cause SQL server to create temporary table or cache on server side and it would result in slow performance when table is too big? I am not sure what is the best way to get the count?

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• Rhino Mocks and ordered test with unordered calls

  - by Shaddix

  I'm using Rhino.Mocks for testing the system. I'm going to check the order of calling .LoadConfig and .Backup methods. I need .LoadConfig to be the first. Currently the code is like this: var module1 = mocks.Stub<IBackupModule>(); var module2 = mocks.Stub<IBackupModule>(); module1.Expect(x => x.Name).Return("test"); module2.Expect(x => x.Name).Return("test2"); using (mocks.Ordered()) { module1.Expect(x => x.LoadConfig(null)); module2.Expect(x => x.LoadConfig(null)); module1.Expect(x => x.Backup()); module2.Expect(x => x.Backup()); } mocks.ReplayAll(); The problem is, that there's also a call to .Name property, and i'm not interesting when it'll be called: before .LoadConfig or after the .Backup - it just doesn't matter. And when I run this I'm getting Exception: Unordered method call! The expected call is: 'Ordered: { IConfigLoader.LoadConfig(null); }' but was: 'IIdentification.get_Name();' Is there a way to deal with this? Thanks

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• Can I get a reference to a pending transaction from a SqlConnection object?

  - by Rune

  Hey, Suppose someone (other than me) writes the following code and compiles it into an assembly: using (SqlConnection conn = new SqlConnection(connString)) { conn.Open(); using (var transaction = conn.BeginTransaction()) { /* Update something in the database */ /* Then call any registered OnUpdate handlers */ InvokeOnUpdate(conn); transaction.Commit(); } } The call to InvokeOnUpdate(IDbConnection conn) calls out to an event handler that I can implement and register. Thus, in this handler I will have a reference to the IDbConnection object, but I won't have a reference to the pending transaction. Is there any way in which I can get a hold of the transaction? In my OnUpdate handler I want to execute something similar to the following: private void MyOnUpdateHandler(IDbConnection conn) { var cmd = conn.CreateCommand(); cmd.CommandText = someSQLString; cmd.CommandType = CommandType.Text; cmd.ExecuteNonQuery(); } However, the call to cmd.ExecuteNonQuery() throws an InvalidOperationException complaining that "ExecuteNonQuery requires the command to have a transaction when the connection assigned to the command is in a pending local transaction. The Transaction property of the command has not been initialized". Can I in any way enlist my SqlCommand cmd with the pending transaction? Can I retrieve a reference to the pending transaction from the IDbConnection object (I'd be happy to use reflection if necessary)?

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• AdressBook Crash, only with some contacts!

  - by Zebs

  My app crashes, it is a problem that arises from the AddressBook API, it only happens with some contacts. Here is the log: Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x00000102, 0x316ebd38 Crashed Thread: 0 Thread 0 Crashed: 0 CoreFoundation 0x00001cfe CFRetain + 90 1 AddressBook 0x00004b2c ABCMultiValueCopyValueAtIndex + 28 2 AddressBook 0x0001066a ABMultiValueCopyValueAtIndex + 2 3 Call Monitor 0x00003824 -[CallAppDelegate peoplePickerNavigationController:shouldContinueAfterSelectingPerson:property:identifier:] (AppDelegate.m:408) 4 AddressBookUI 0x00032cfc -[ABPeoplePickerNavigationController personViewController:shouldPerformDefaultActionForPerson:property:identifier:withMemberCell:] + 152 5 AddressBookUI 0x0003b8ce -[ABPersonViewControllerHelper personTableViewDataSource:selectedPropertyAtIndex:inPropertyGroup:withMemberCell:forEditing:] + 222 6 AddressBookUI 0x0004a17c -[ABPersonTableViewDataSource valueAtIndex:selectedForPropertyGroup:withMemberCell:forEditing:] + 40 7 AddressBookUI 0x00048c00 -[ABPersonTableViewDataSource tableView:didSelectRowAtIndexPath:] + 316 8 UIKit 0x00091f40 -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] + 656 9 UIKit 0x0009db40 -[UITableView _userSelectRowAtIndexPath:] + 124 10 Foundation 0x00086c86 __NSFireDelayedPerform + 362 11 CoreFoundation 0x00071a54 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 8 12 CoreFoundation 0x00073ede __CFRunLoopDoTimer + 854 13 CoreFoundation 0x0007485e __CFRunLoopRun + 1082 14 CoreFoundation 0x0001d8e4 CFRunLoopRunSpecific + 224 15 CoreFoundation 0x0001d7ec CFRunLoopRunInMode + 52 16 GraphicsServices 0x000036e8 GSEventRunModal + 108 17 GraphicsServices 0x00003794 GSEventRun + 56 18 UIKit 0x000062a0 -[UIApplication _run] + 396 19 UIKit 0x00004e10 UIApplicationMain + 664 20 Call Monitor 0x000028e8 main (main.m:14) 21 Call Monitor 0x000028b8 start + 32 This is driving me crazy, as it only happens with an isolated number of contacts. Any help would be greatly appreciated. Here is the code that was requested, thank you very very much for your help: (It is an extract from the method where I think the error happens) The weird thing is that it only happens with certain contacts, and deleting the contact, then creating a new one solves the problem... - (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier NSString* firstName = (NSString *)ABRecordCopyValue(person, kABPersonFirstNameProperty); NSString* lastName = (NSString *)ABRecordCopyValue(person, kABPersonLastNameProperty); NSNumber* record = [NSNumber numberWithInt:ABRecordGetRecordID(person)]; if(lastName!=nil){ name=[NSString stringWithFormat:@"%@ %@",firstName,lastName]; } else { name=firstName; } ABMultiValueRef phone = ABRecordCopyValue(person, property); NSString *value =(NSString *)ABMultiValueCopyValueAtIndex(phone, identifier); NSString *label =(NSString *)ABMultiValueCopyLabelAtIndex(phone, identifier); NSMutableArray *tempArray=[[NSMutableArray alloc] initWithArray:[[NSUserDefaults standardUserDefaults] objectForKey:@"MainArray"]]; NSDictionary *stringDictionary = [NSDictionary dictionaryWithObjectsAndKeys:name, kLabelKey, value, kNumberKey,label, kNumberLabelKey,record, kReferenceKey, nil]; [tempArray addObject:stringDictionary]; NSArray *mainArray = [NSArray arrayWithArray:tempArray]; [[NSUserDefaults standardUserDefaults] setObject:mainArray forKey:@"MainArray"];

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• jQuery UI Datepicker - Disable specific days

  - by Sam

  Is there any (easy) way to set the jQuery UI Datepicker to disallow selection of specific, predetermined days? I was able to get this approach working, however, it produces a null error which prevents it from displaying in IE. 'natDays[...].0' is null or not an object Thanks in advance! UPDATE: Might help if I included some code, right? Anyway, most of this was taken straight from the aforementioned thread: natDays = [ [7, 23], [7, 24], [8, 13], [8, 14], ]; function nationalDays(date) { for (i = 0; i < natDays.length; i++) { if (date.getMonth() == natDays[i][0] - 1 && date.getDate() == natDays[i][1]) { return [false, natDays[i][2] + '_day']; } } return [true, '']; } function noWeekendsOrHolidays(date) { var noWeekend = $.datepicker.noWeekends(date); if (noWeekend[0]) { return nationalDays(date); } else { return noWeekend; } } $(function() { $("#datepicker").datepicker({ inline: true, minDate: new Date(2009, 6, 6), maxDate: new Date(2009, 7, 14), numberOfMonths: 2, hideIfNoPrevNext: true, beforeShowDay: $.datepicker.noWeekends, altField: '#alternate', }); }); Thanks again!

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• i386 assembly question: why do I need to meddle with the stack pointer?

  - by zneak

  Hello everyone, I decided it would be fun to learn x86 assembly during the summer break. So I started with a very simple hello world program, borrowing on free examples gcc -S could give me. I ended up with this: HELLO: .ascii "Hello, world!\12\0" .text .globl _main _main: pushl %ebp # 1. puts the base stack address on the stack movl %esp, %ebp # 2. puts the base stack address in the stack address register subl $20, %esp # 3. ??? pushl $HELLO # 4. push HELLO's address on the stack call _puts # 5. call puts xorl %eax, %eax # 6. zero %eax, probably not necessary since we didn't do anything with it leave # 7. clean up ret # 8. return # PROFIT! It compiles and even works! And I think I understand most of it. Though, magic happens at step 3. Would I remove this line, my program would die between the call to puts and the xor from a misaligned stack error. And would I change $20 to another value, it'd crash too. So I came to the conclusion that this value is very important. Problem is, I don't know what it does and why it's needed. Can anyone explain me? (I'm on Mac OS, would it ever matter.)

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• How to tell axis2 to use an existing object as a service?

  - by Christian Hausknecht

  I am trying to expose some methods of a running application as a webservice. The core idea is to use an embedded web-server and send the soap messages to the apache axis2 framework in order to invoke the services. The problem is, that axis2's createService methods only accept Classes as parameter, not existing objects. So I believe that axis2 itself creates an object of the service class and then uses it to call methods when an external service call arrives. But I need to pass an existing object for being used as a service, because I need to call methods of other objects of the running application within the service methods. So the "standard" way that axis2 creates a new instance of the service class and calls then its methods is obviously no sulution for me. So is there a way to realize this? Or is there another solution? Perhaps you can pass objects later on to the allready created service object by axis2? If there is another solution without axis2 I might consider that one. Basically I am only interested in exposing some functionality of a runnning application as a webservice.

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• Problems with "global" exception handlers for unhandled exceptions in multithreaded WPF

  - by JustABill

  I have a program that, among other things, needs to be able to refresh the contents of a directory when the user tells it to. The actual task doesn't really matter, but this is the simplest way of causing this problem to occur that I know of. If I tell it to open a directory that doesn't exist, I get the "unhandled exception" dialog in VS with a stack trace of, from outer to inner: [External code] Textbox PreviewKeyUp event [External code] ClassA's path property being set ClassA's internal path update function being called A call to the INotifyPropertyChanged event [External code] A call to the getter for ClassB's list of children A call to ClassB's internal directory list function And then it fails inside this internal function. I have the following in my App.xaml.cs: private void Application_Startup(object sender, StartupEventArgs e) { AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); Application.Current.Dispatcher.UnhandledException += new System.Windows.Threading.DispatcherUnhandledExceptionEventHandler(Dispatcher_UnhandledException); } But neither of their exception handlers are being called. If I run this program from outside VS, I don't get notified of an exception at all, it just breaks because of the invalid input. And yes, the Application_Startup event is being called. How can I properly "trap" this exception so I can provide a friendly error message and kill the program?

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• sqlalchemy relation through another (declarative)

  - by clayg

  Is anyone familiar with ActiveRecord's "has_many :through" relations for models? I'm not really a Rails guy, but that's basically what I'm trying to do. As a contrived example consider Projects, Programmers, and Assignments: from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker from sqlalchemy import Column, ForeignKey from sqlalchemy.types import Integer, String, Text from sqlalchemy.orm import relation from sqlalchemy.ext.declarative import declarative_base Base = declarative_base() class Assignment(Base): __tablename__ = 'assignment' id = Column(Integer, primary_key=True) description = Column(Text) programmer_id = Column(Integer, ForeignKey('programmer.id')) project_id = Column(Integer, ForeignKey('project.id')) def __init__(self, description=description): self.description = description def __repr__(self): return '<Assignment("%s")>' % self.description class Programmer(Base): __tablename__ = 'programmer' id = Column(Integer, primary_key=True) name = Column(String(64)) assignments = relation("Assignment", backref='programmer') def __init__(self, name=name): self.name = name def __repr__(self): return '<Programmer("%s")>' % self.name class Project(Base): __tablename__ = 'project' id = Column(Integer, primary_key=True) name = Column(String(64)) description = Column(Text) assignments = relation("Assignment", backref='project') def __init__(self, name=name, description=description): self.name = name self.description = description def __repr__(self): return '<Project("%s", "%s...")>' % (self.name, self.description[:10]) engine = create_engine('sqlite://') Base.metadata.create_all(engine) Session = sessionmaker(bind=engine) session = Session() Projects have many Assignments. Programmers have many Assignments. (understatement?) But in my office at least, Programmers also have many Projects - I'd like this relationship to be inferred through the Assignments assigned to the Programmer. I'd like the Programmer model to have a attribute "projects" which will return a list of Projects associated to the Programmer through the Assignment model. me = session.query(Programmer).filter_by(name='clay').one() projects = session.query(Project).\ join(Project.assignments).\ join(Assignment.programmer).\ filter(Programmer.id==me.id).all() How can I describe this relationship clearly and simply using the sqlalchemy declarative syntax? Thanks!

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• stuck with enable session state

  - by Shrewd Demon

  hi i have an application wherein i am accessing the Session object in the CommonCode.cs file that resides in the App_Code folder. But when the session object is accessed the application throws me an error: Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System.Web.SessionStateModule or a custom session state module is included in the \\ section in the application configuration. Now i have already enabled the session state property in the web.config file, here is my code from the web.config file: <pages enableSessionState="true" autoEventWireup="true"> <controls> <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> </controls> </pages> I dont understand why am i still getting that error !! please help ! thanks a lot.

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• How do you reenable a validation control w/o it simultaneously performing an immediate validation?

  - by Velika2

  When I called this function to enable a validator from client javascript: `ValidatorEnable(document.getElementById('<%=valPassportOtherText.ClientID%>'), true); //enable` validation control the required validation control immediately performed it validation, found the value in the associated text box blank and set focus to the textbox (because SetFocusOnError was set to true). As a result, the side effect was that focus was shifted to the control that was associated with the Validation control, i teh example, txtSpecifyOccupation. <asp:TextBox ID="txtSpecifyOccupation" runat="server" AutoCompleteType="Disabled" CssClass="DefaultTextBox DefaultWidth" MaxLength="24" Rows="2"></asp:TextBox> <asp:RequiredFieldValidator ID="valSpecifyOccupation" runat="server" ControlToValidate="txtSpecifyOccupation" ErrorMessage="1.14b Please specify your &lt;b&gt;Occupation&lt;/b&gt;" SetFocusOnError="True">&nbsp;Required</asp:RequiredFieldValidator> Perhaps there is a way to enable the (required) validator without having it simultaneously perform the validation (at least until the user has tabbed off of it?) I'd like validation of the txtSpecifyOccupation textbox to occur only on a Page submit or when the user has tabbed of the required txtSpecifyoccupation textbox. How can I achieve this?

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• how to clear jqgrid when i click button in asp.net mvc

  - by sandeep

  hi ,i am new to jqgrid , i'm placing the code what i did .my question is that when i click html button i need to refresh the grid value with new values?how i pass paramateres to controller? thanks in advance jQuery(document).ready(function() { $("#btnSearch").click(function() { jqGridContainer.dir. var StateId = document.getElementById('StateId').value; var CityId = document.getElementById('CityId').value; var HName = document.getElementById('HospitalName').value; alert(CityId); alert(StateId); alert(HName); if (StateId 0 && CityId == '' && HName == '') { CityId = 0; HName = 'Default'.toString(); alert("elseif0" + HName.toString()); } else if (CityId 0 && StateId == '') { alert("elseif1"); alert("Please Select State..") } else if (CityId 0 && StateId 0 && HName == '') { alert("elseif2"); alert(CityId); alert(StateId); HName = "Default"; } else { alert("else"); StateId = 0; CityId = 0; HName = "Default"; } // $("#Submit1").click(function() { // //{ function gridReload() { // //var customer = $(this).val(); // $('#list').setGridParam({ url: '/Claim/DynamicGridData/?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, page: 1 // }).trigger("reloadGrid"); // Submit1.trigger("reloadGrid"); jQuery("#list").jqGrid({ url: '/Claim/DynamicGridData/?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, datatype: 'json', mtype: 'GET', colNames: ['Id', 'HospitalName', 'Address', 'City', 'District', 'FaxNumber', 'PhoneNumber'], colModel: [{ name: 'HospitalId', index: 'HospitalId', width: 40, align: 'left' }, { name: 'HospitalName', index: 'HospitalName', width: 40, align: 'left' }, { name: 'Address1', Address: 'Address1', width: 300 }, { name: 'CityName', index: 'CityName', width: 100 }, { name: 'DistName', index: 'DistName', width: 100 }, { name: 'FaxNo', index: 'FaxNo', width: 100 }, { name: 'ContactNo1', index: 'PhoneNumber', width: 100 } ], jsonReader: { repeatitems: true, id: "0" }, pager: jQuery('#pager'), rowNum: 10, rowList: [5, 10, 20, 50], // sortname: 'Id,', sortname: '1', sortorder: "asc", viewrecords: true, //multiselect: true, //multikey: "ctrlKey", imgpath: '/scripts/themes/coffee/images', caption: 'Hospital Search', width: 700, height: 250 }); }); });

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• Why are changes to coffeescript files not being compiled when my Rails 3.2.0 app is in development mode?

  - by ben

  Normally, any changes I make to .js.coffee files in my Rails 3.2.0 app in development mode take effect when I refresh the page. All of a sudden, this is not happening. If I do rake assets:precompile, then the changes are shown, but then if I do rake assets:clean they go back to not being shown. What is causing this? Edit: Restarting the server makes the changes show. Why isn't this happening automatically as before? Edit: Here is my development.rb Myapp::Application.configure do # Settings specified here will take precedence over those in config/application.rb # In the development environment your application's code is reloaded on # every request. This slows down response time but is perfect for development # since you don't have to restart the web server when you make code changes. config.cache_classes = false # Log error messages when you accidentally call methods on nil. config.whiny_nils = true # Show full error reports and disable caching config.consider_all_requests_local = true config.action_controller.perform_caching = false # Don't care if the mailer can't send config.action_mailer.raise_delivery_errors = false # Print deprecation notices to the Rails logger config.active_support.deprecation = :log # Only use best-standards-support built into browsers config.action_dispatch.best_standards_support = :builtin # Raise exception on mass assignment protection for Active Record models config.active_record.mass_assignment_sanitizer = :strict # Log the query plan for queries taking more than this (works # with SQLite, MySQL, and PostgreSQL) config.active_record.auto_explain_threshold_in_seconds = 0.5 # Do not compress assets config.assets.compress = false # Expands the lines which load the assets config.assets.debug = true config.action_mailer.default_url_options = { :host => 'localhost:3000' } config.log_level = :warn end

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• Odd DOM Problem with Firefox

  - by Bob

  Hello. I'm experiencing an odd problem when trying to navigate through a table's rows and cells in a while loop using javascript. I'm using Firefox 3.5.7 on Win7 with Firebug enabled. I have this markup: <table> <tbody> <tr id='firstRow'><td>a</td><td>b</td><td>c</td></tr> <tr><td>a</td><td>b</td><td>c</td></tr> <tr><td>a</td><td>b</td><td>c</td></tr> </tbody> </table> And this javascript: var row = document.getElementById('firstRow'); console.log(row); // Row call 1 while (row) { console.log(row); // Row call 2 row = row.nextSibling; } The problem I'm having is that on the line commented "Row call 1", Firebug is outputting <tr id='firstRow'> as expected. However, in the while loop, Firebug is giving me <tr id='firstRow'> <TextNode textContent="\n"> It is giving me different output for the exact same row, even immediately after the while loop begins executing and nothing else touched the row. For subsequent rows, it of course does not have id='firstRow' as an attribute. The bigger problem this is giving me is that if I'm in the while loop, and I want to access a particular cell of the current row using row.cells[0], Firebug will give me an error that row.cells is undefined. I want to know if someone could shed some light on this situation I am experiencing.

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• Setting attributes of a class during construction from **kwargs

  - by Carson Myers

  Python noob here, Currently I'm working with SQLAlchemy, and I have this: from __init__ import Base from sqlalchemy.schema import Column, ForeignKey from sqlalchemy.types import Integer, String from sqlalchemy.orm import relationship class User(Base): __tablename__ = "users" id = Column(Integer, primary_key=True) username = Column(String, unique=True) email = Column(String) password = Column(String) salt = Column(String) openids = relationship("OpenID", backref="users") User.__table__.create(checkfirst=True) #snip definition of OpenID class def create(**kwargs): user = User() if "username" in kwargs.keys(): user.username = kwargs['username'] if "email" in kwargs.keys(): user.username = kwargs['email'] if "password" in kwargs.keys(): user.password = kwargs['password'] return user This is in /db/users.py, so it would be used like: from db import users new_user = users.create(username="Carson", password="1234") new_user.email = "[email protected]" users.add(new_user) #this function obviously not defined yet but the code in create() is a little stupid, and I'm wondering if there's a better way to do it that doesn't require an if ladder, and that will fail if any keys are added that aren't in the User object already. Like: for attribute in kwargs.keys(): if attribute in User: user.__attribute__[attribute] = kwargs[attribute] else: raise Exception("blah") that way I could put this in its own function (unless one hopefully already exists?) So I wouldn't have to do the if ladder again and again, and so I could change the table structure without modifying this code. Any suggestions?

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• Why does the Java Collections Framework offer two different ways to sort?

  - by dvanaria

  If I have a list of elements I would like to sort, Java offers two ways to go about this. For example, lets say I have a list of Movie objects and I’d like to sort them by title. One way I could do this is by calling the one-argument version of the static java.util.Collections.sort( ) method with my movie list as the single argument. So I would call Collections.sort(myMovieList). In order for this to work, the Movie class would have to be declared to implement the java.lang.Comparable interface, and the required method compareTo( ) would have to be implemented inside this class. Another way to sort is by calling the two-argument version of the static java.util.Collections.sort( ) method with the movie list and a java.util.Comparator object as it’s arguments. I would call Collections.sort(myMovieList, titleComparator). In this case, the Movie class wouldn’t implement the Comparable interface. Instead, inside the main class that builds and maintains the movie list itself, I would create an inner class that implements the java.util.Comparator interface, and implement the one required method compare( ). Then I'd create an instance of this class and call the two-argument version of sort( ). The benefit of this second method is you can create an unlimited number of these inner class Comparators, so you can sort a list of objects in different ways. In the example above, you could have another Comparator to sort by the year a movie was made, for example. My question is, why bother to learn both ways to sort in Java, when the two-argument version of Collections.sort( ) does everything the first one-argument version does, but with the added benefit of being able to sort the list’s elements based on several different criteria? It would be one less thing to have to keep in your mind while coding. You’d have one basic mechanism of sorting lists in Java to know.

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• Rails Heroku Migrate Unknown Error

  - by Ryan Max

  Hello. I am trying to get my app up and running on heroku. However once I go to migrate I get the following error: $ heroku rake db:migrate rake aborted! An error has occurred, this and all later migrations canceled: 530 5.7.0 Must issue a STARTTLS command first. bv42sm676794ibb.5 (See full trace by running task with --trace) (in /disk1/home/slugs/155328_f2d3c00_845e/mnt) == BortMigration: migrating ================================================= -- create_table(:sessions) -> 0.1366s -- add_index(:sessions, :session_id) -> 0.0759s -- add_index(:sessions, :updated_at) -> 0.0393s -- create_table(:open_id_authentication_associations, {:force=>true}) -> 0.0611s -- create_table(:open_id_authentication_nonces, {:force=>true}) -> 0.0298s -- create_table(:users) -> 0.0222s -- add_index(:users, :login, {:unique=>true}) -> 0.0068s -- create_table(:passwords) -> 0.0123s -- create_table(:roles) -> 0.0119s -- create_table(:roles_users, {:id=>false}) -> 0.0029s I'm not sure exactly what it means. Or really what it means at all. Could it have to do with my Bort installation? I did remove all the open-id stuff from it. But I never had any problems with my migrations locally. Additionally on Bort the Restful Authentication uses my gmail stmp to send confirmation emails...all the searches on google i do on STARTTLS have to do with stmp. Can someone point me in the right direction?

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• Javascript conversion, from Prototype to jQuery

  - by moshimoshi

  Hi, I would like to update the following javascript code based on Prototype framework to jQuery framework: Event.observe(window, 'load', function() { $$('.piece').each(function(item) { new Draggable(item, { revert: true } ); }); $$('.cell').each(function(item) { Droppables.add(item, { accept: 'piece', onDrop: function(piece, cell) { cell.descendants().each(function(item) { item.remove(); } ); piece.remove(); piece.setStyle({ 'top': null, 'left': null }); new Draggable(piece, { revert: true }); cell.appendChild(piece); } }); }); }); The first part of the script is easy to convert: $(function() { $('.piece').draggable( { evert: true } ); $('.cell').droppable( { /* But here, it's more difficult. Right? ;) ... */ } }); }); Have you got an idea? Any part of code is welcome. Thanks a lot.

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• vb.net documentation and exception question

  - by dcp

  Let's say I have this sub in vb.net: ''' <summary> ''' Validates that <paramref name="value"/> is not <c>null</c>. ''' </summary> ''' ''' <param name="value">The object to validate.</param> ''' ''' <param name="name">The variable name of the object.</param> ''' ''' <exception cref="ArgumentNullException">If <paramref name="value"/> is <c>null</c>.</exception> Sub ValidateNotNull(ByVal value As Object, ByVal name As String) If value Is Nothing Then Throw New ArgumentNullException(name, String.Format("{0} cannot be null.", name)) End If End Sub My question is, is it proper to call this ValidateNotNull (which is what I would call it in C#) or should I stick with VB terminology and call it ValidateNotNothing instead? Also, in my exception, is it proper to say "cannot be null", or would it be better to say "cannot be Nothing"? I sort of like the way I have it, but since this is VB, maybe I should use Nothing. But since the exception itself is called ArgumentNullException, it feels weird to make the message say "cannot be Nothing". Anyway, I guess it's pretty nitkpicky, just wondered what you folks thought.

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• The process cannot access the file because it is being used by another process

  - by Xenon

  I have an asp.net website and I allready did .Dispose() here is my code below; try { MailMessage newMail = new MailMessage(MailFrom, MailTo, MailSubject, MailMsg); if (MailAttachment != "") { Attachment data = new Attachment(MailAttachment, MediaTypeNames.Application.Octet); newMail.Attachments.Add(data); } newMail.BodyEncoding = System.Text.Encoding.UTF8; newMail.IsBodyHtml = true; SmtpClient client = new SmtpClient("192.168.2.205"); client.Credentials = CredentialCache.DefaultNetworkCredentials; client.Send(newMail); newMail.Attachments.Dispose(); newMail.Dispose(); DeleteAttachment(MailAttachment); lblSuccess.Text = "Basvurunuz alinmistir tesekkürler."; lblSuccess.Visible = true; ClearForm(); } catch (Exception ex) { lblSuccess.Text = ex.Message; //lblSuccess.Text = "Bir sorun olustu bir daha deneyiniz."; lblSuccess.Visible = true; } But i' m getting the same error, it' s running fine in my localhost but in server i' m getting this error. How can i fix it?

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• Refresh decorator

  - by Morgoth

  I'm trying to write a decorator that 'refreshes' after being called, but where the refreshing only occurs once after the last function exits. Here is an example: @auto_refresh def a(): print "In a" @auto_refresh def b(): print "In b" a() If a() is called, I want the refresh function to be run after exiting a(). If b() is called, I want the refresh function to be run after exiting b(), but not after a() when called by b(). Here is an example of a class that does this: class auto_refresh(object): def __init__(self, f): print "Initializing decorator" self.f = f def __call__(self, *args, **kwargs): print "Before function" if 'refresh' in kwargs: refresh = kwargs.pop('refresh') else: refresh = False self.f(*args, **kwargs) print "After function" if refresh: print "Refreshing" With this decorator, if I run b() print '---' b(refresh=True) print '---' b(refresh=False) I get the following output: Initializing decorator Initializing decorator Before function In b Before function In a After function After function --- Before function In b Before function In a After function After function Refreshing --- Before function In b Before function In a After function After function So when written this way, not specifying the refresh argument means that refresh is defaulted to False. Can anyone think of a way to change this so that refresh is True when not specified? Changing the refresh = False to refresh = True in the decorator does not work: Initializing decorator Initializing decorator Before function In b Before function In a After function Refreshing After function Refreshing --- Before function In b Before function In a After function Refreshing After function Refreshing --- Before function In b Before function In a After function Refreshing After function because refresh then gets called multiple times in the first and second case, and once in the last case (when it should be once in the first and second case, and not in the last case).

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• jQuery.post() issues with passing data to jQuery UI

  - by solefald

  Hello, I am trying to get jQuery.post() to run my php script and then open a jQuery UI dialog with the data that php script returns. Its supposed to come back as a form with a table and a textarea in it. It works great with alert(data); and i get a pop-up with all my data. The problem starts if i turn off alert(). Now it opens 2 dialogs. One containing only the table, without textarea, and the second one absolutely empty. What am i doing wrong here? How come all my data shows up in the alert(), but not in dialog? What do i need to do to fix it? Oh, and do i need to also include $.ajax() before the $.post()? Thank you. $.post("/path/to/script.php", { id: this.id, value: value }, function(data){ // THIS WORKS //alert(data); // THIS DOES NOT WORK $(data).dialog({ autoOpen: true, width: 400, modal: true, position: 'center', resizable: false, draggable: true, title: 'Pending Changes' }); } );

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• PostMessage does not seem to be working.

  - by Vaccano

  I am trying to use PostMessage to send a tab key. Here is my code: // This class allows us to send a tab key when the the enter key // is pressed for the mooseworks mask control. public class MaskKeyControl : MaskedEdit { // [DllImport("coredll.dll", SetLastError = true, CharSet = CharSet.Auto)] // static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, Int32 wParam, Int32 lParam); [return: MarshalAs(UnmanagedType.Bool)] // I am calling this on a Windows Mobile device so the dll is coredll.dll [DllImport("coredll.dll", SetLastError = true)] static extern bool PostMessage(IntPtr hWnd, uint Msg, Int32 wParam, Int32 lParam); public const Int32 VK_TAB = 0x09; public const Int32 WM_KEYDOWN = 0x100; protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyData == Keys.Enter) { PostMessage(this.Handle, WM_KEYDOWN, VK_TAB, 0); return; } base.OnKeyDown(e); } protected override void OnKeyPress(KeyPressEventArgs e) { if (e.KeyChar == '\r') e.Handled = true; base.OnKeyPress(e); } } When I press enter the code gets called, but nothing happens. Then I press TAB and it works fine. (So there is something wrong with my sending of the Tab Message.)

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• Create an SQL Express 2008 database in C# code, but login fails when trying to connect with a sysadm

  - by Andrés Gonzales

  I have a piece of code that creates an SQL Server Express 2008 in runtime, and then tries to connect to it to execute a database initialization script in Transact-SQL. The code that creates the database is the following: private void CreateDatabase() { using (var connection = new SqlConnection( "Data Source=.\\sqlexpress;Initial Catalog=master;" + "Integrated Security=true;User Instance=True;")) { connection.Open(); using (var command = connection.CreateCommand()) { command.CommandText = "CREATE DATABASE " + m_databaseFilename + " ON PRIMARY (NAME=" + m_databaseFilename + ", FILENAME='" + this.m_basePath + m_databaseFilename + ".mdf')"; command.ExecuteNonQuery(); } } } The database is created successfully. After that, I try to connect to the database to run the initialization script, by using the following code: private void ExecuteQueryFromFile(string filename) { string queryContent = File.ReadAllText(m_filePath + filename); this.m_connectionString = string.Format( @"Server=.\SQLExpress; Integrated Security=true;Initial Catalog={0};", m_databaseFilename); using (var connection = new SqlConnection(m_connectionString)) { connection.Open(); using (var command = connection.CreateCommand()) { command.CommandText = queryContent; command.CommandTimeout = 0; command.ExecuteNonQuery(); } } } However, the connection.Open() statement fails, throwing the following exception: Cannot open database "TestData" requested by the login. The login failed. Login failed for user 'MYDOMAIN\myusername'. I am completely puzzled by this error because the account I am trying to connect with has sysadmin privileges, which should allow me to connect any database (notice that I use a connection to the master database to create the database in the first place).

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• RFC: Whitespace's Assembly Mnemonics

  - by Noctis Skytower

  Request For Comment regarding Whitespace's Assembly Mnemonics What follows in a first generation attempt at creating mnemonics for a whitespace assembly language. STACK ===== push number copy copy number swap away away number MATH ==== add sub mul div mod HEAP ==== set get FLOW ==== part label call label goto label zero label less label back exit I/O === ochr oint ichr iint In the interest of making improvements to this small and simple instruction set, this is a second attempt. hold N Push the number onto the stack copy Duplicate the top item on the stack copy N Copy the nth item on the stack (given by the argument) onto the top of the stack swap Swap the top two items on the stack drop Discard the top item on the stack drop N Slide n items off the stack, keeping the top item add Addition sub Subtraction mul Multiplication div Integer Division mod Modulo save Store load Retrieve L: Mark a location in the program call L Call a subroutine goto L Jump unconditionally to a label if=0 L Jump to a label if the top of the stack is zero if<0 L Jump to a label if the top of the stack is negative return End a subroutine and transfer control back to the caller exit End the program print chr Output the character at the top of the stack print int Output the number at the top of the stack input chr Read a character and place it in the location given by the top of the stack input int Read a number and place it in the location given by the top of the stack What is the general consensus on the following revised list for Whitespace's assembly instructions? They definitely come from thinking outside of the box and trying to come up with a better mnemonic set than last time. When the previous python interpreter was written, it was completed over two contiguous, rushed evenings. This rewrite deserves significantly more time now that it is the summer. Of course, the next version of Whitespace (0.4) may have its instructions revised even more, but this is just a redesign of what originally was done in a few hours. Hopefully, the instructions make more sense to those new to programming jargon.

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