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  • javamail error :must issue starttls command first

    - by bobby
    im trying to send a mail using javamail api using the below code:when i compiled the class file im getting the below error which says 'must issue starttls command first' i have mentioned the error below. and also getProvider() function error i think so...i dont know what the errors mean. import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import javax.mail.*; import javax.mail.internet.*; import javax.mail.event.*; import javax.mail.Authenticator; import java.net.*; import java.util.Properties; public class mailexample { public static void main (String args[]) throws Exception { String from = args[0]; String to = args[1]; try { Properties props=new Properties(); props.put("mail.transport.protocol", "smtp"); props.put("mail.smtp.host","smtp.gmail.com"); props.put("mail.smtp.port", "25"); props.put("mail.smtp.auth", "true"); javax.mail.Authenticator authenticator = new javax.mail.Authenticator() { protected javax.mail.PasswordAuthentication getPasswordAuthentication() { return new javax.mail.PasswordAuthentication("[email protected]", "pass"); } }; Session sess=Session.getDefaultInstance(props,authenticator); sess.setDebug (true); Transport transport =sess.getTransport ("smtp"); Message msg=new MimeMessage(sess); msg.setFrom(new InternetAddress(from)); msg.addRecipient(Message.RecipientType.TO, new InternetAddress(to)); msg.setSubject("Hello JavaMail"); msg.setText("Welcome to JavaMail"); transport.connect(); transport.send(msg); } catch(Exception e) { System.out.println("err"+e); } } } error: C:\Users\bobby\Desktopjava mailexample [email protected] abc@gmail. com DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.s mtp.SMTPTransport,Sun Microsystems, Inc] DEBUG SMTP: useEhlo true, useAuth true DEBUG SMTP: useEhlo true, useAuth true DEBUG: SMTPTransport trying to connect to host "smtp.gmail.com", port 25 DEBUG SMTP RCVD: 220 mx.google.com ESMTP q10sm12956046rvp.20 DEBUG: SMTPTransport connected to host "smtp.gmail.com", port: 25 DEBUG SMTP SENT: EHLO bobby-PC DEBUG SMTP RCVD: 250-mx.google.com at your service, [60.243.184.29] 250-SIZE 35651584 250-8BITMIME 250-STARTTLS 250 ENHANCEDSTATUSCODES DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.s mtp.SMTPTransport,Sun Microsystems, Inc] DEBUG SMTP: useEhlo true, useAuth true DEBUG SMTP: useEhlo true, useAuth true DEBUG: SMTPTransport trying to connect to host "smtp.gmail.com", port 25 DEBUG SMTP RCVD: 220 mx.google.com ESMTP l29sm12930755rvb.16 DEBUG: SMTPTransport connected to host "smtp.gmail.com", port: 25 DEBUG SMTP SENT: EHLO bobby-PC DEBUG SMTP RCVD: 250-mx.google.com at your service, [60.243.184.29] 250-SIZE 35651584 250-8BITMIME 250-STARTTLS 250 ENHANCEDSTATUSCODES DEBUG SMTP SENT: MAIL FROM: DEBUG SMTP RCVD: 530 5.7.0 Must issue a STARTTLS command first. l29sm12930755rvb .16 DEBUG SMTP SENT: QUIT errjavax.mail.SendFailedException: Sending failed; nested exception is: javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command f irst. l29sm12930755rvb.16

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  • wpf window refresh works at first, then stops

    - by mcl
    I've got a routine that grabs a list of all images in a directory, then runs an MD5 digest on all of them. Since this takes a while to do, I pop up a window with a progress bar. The progress bar is updated by a lambda that I pass in to the long-running routine. The first problem was that the progress window was never updated (which is normal in WPF I guess). Since WPF lacks a Refresh() command I fixed this with a call to Dispatcher.Invoke(). Now the progress bar is updated for a while, then the window stops being updated. The long-running work does eventually finish and the windows go back to normal. I have already tried a BackgroundWorker and quickly became frustrated by a threading issue related to an event triggered by the long-running process. So if that's really the best solution and I just need to learn the paradigm better, please say so. But I'd be really much happier with the approach I've got here, except that it stops updating after a bit (for example, in a folder with 1000 files, it might update for 50-100 files, then "hang"). The UI does not need to be responsive during this activity, except to report on progress. Anyway, here's the code. First the progress window itself: public partial class ProgressWindow : Window { public ProgressWindow(string title, string supertext, string subtext) { InitializeComponent(); this.Title = title; this.SuperText.Text = supertext; this.SubText.Text = subtext; } internal void UpdateProgress(int count, int total) { this.ProgressBar.Maximum = Convert.ToDouble(total); this.ProgressBar.Value = Convert.ToDouble(count); this.SubText.Text = String.Format("{0} of {1} finished", count, total); this.Dispatcher.Invoke(DispatcherPriority.Render, EmptyDelegate); } private static Action EmptyDelegate = delegate() { }; } <Window x:Class="Pixort.ProgressWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Pixort Progress" Height="128" Width="256" WindowStartupLocation="CenterOwner" WindowStyle="SingleBorderWindow" ResizeMode="NoResize"> <DockPanel> <TextBlock DockPanel.Dock="Top" x:Name="SuperText" TextAlignment="Left" Padding="6"></TextBlock> <TextBlock DockPanel.Dock="Bottom" x:Name="SubText" TextAlignment="Right" Padding="6"></TextBlock> <ProgressBar x:Name="ProgressBar" Height="24" Margin="6"/> </DockPanel> </Window> The long running method (in Gallery.cs): public void ImportFolder(string folderPath, Action<int, int> progressUpdate) { string[] files = this.FileIO.GetFiles(folderPath); for (int i = 0; i < files.Length; i++) { // do stuff with the file if (null != progressUpdate) { progressUpdate.Invoke(i + 1, files.Length); } } } Which is called thusly: ProgressWindow progress = new ProgressWindow("Import Folder Progress", String.Format("Importing {0}", folder), String.Empty); progress.Show(); this.Gallery.ImportFolder(folder, ((c, t) => progress.UpdateProgress(c, t))); progress.Close();

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  • How do you unit test a unit test?

    - by FlySwat
    I was watching Rob Connerys webcasts on the MVCStoreFront App, and I noticed he was unit testing even the most mundane things, things like: public Decimal DiscountPrice { get { return this.Price - this.Discount; } } Would have a test like: [TestMethod] public void Test_DiscountPrice { Product p = new Product(); p.Price = 100; p.Discount = 20; Assert.IsEqual(p.DiscountPrice,80); } While, I am all for unit testing, I sometimes wonder if this form of test first development is really beneficial, for example, in a real process, you have 3-4 layers above your code (Business Request, Requirements Document, Architecture Document), where the actual defined business rule (Discount Price is Price - Discount) could be misdefined. If that's the situation, your unit test means nothing to you. Additionally, your unit test is another point of failure: [TestMethod] public void Test_DiscountPrice { Product p = new Product(); p.Price = 100; p.Discount = 20; Assert.IsEqual(p.DiscountPrice,90); } Now the test is flawed. Obviously in a simple test, it's no big deal, but say we were testing a complicated business rule. What do we gain here? Fast forward two years into the application's life, when maintenance developers are maintaining it. Now the business changes its rule, and the test breaks again, some rookie developer then fixes the test incorrectly...we now have another point of failure. All I see is more possible points of failure, with no real beneficial return, if the discount price is wrong, the test team will still find the issue, how did unit testing save any work? What am I missing here? Please teach me to love TDD, as I'm having a hard time accepting it as useful so far. I want too, because I want to stay progressive, but it just doesn't make sense to me. EDIT: A couple people keep mentioned that testing helps enforce the spec. It has been my experience that the spec has been wrong as well, more often than not, but maybe I'm doomed to work in an organization where the specs are written by people who shouldn't be writing specs.

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  • Adding active class in menu only works on first page

    - by rileychuggins
    I have nav links that become active once they come into the window. I need to implement this on three separate pages on my website but the following scripts only work for the first page. var services_refresh = function () { // do stuff console.log('Stopped Scrolling'); if($('#ct_scans.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ct_scans"]').addClass('active'); } else if($('#xray.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#xray"]').addClass('active'); } else if($('#fluoroscopy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#fluoroscopy"]').addClass('active'); } else if($('#mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mri"]').addClass('active'); } else if($('#neuroimaging.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#neuroimaging"]').addClass('active'); } else if($('#nuclear_medicine.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#nuclear_medicine"]').addClass('active'); } else if($('#ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ultrasound"]').addClass('active'); } else if($('#mammography.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mammography"]').addClass('active'); } else if($('#breast_ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_ultrasound"]').addClass('active'); } else if($('#breast_biopsy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_biopsy"]').addClass('active'); } else if($('#breast_mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_mri"]').addClass('active'); } else if($('#osteoporosis.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#osteoporosis"]').addClass('active'); } }; Here is my HTML for the first page that works: <ul id="our_services_sub_sections" class="diagnostic_images"> <li><a class="scroll active" href="#ct_scans">CT Scans</a></li> <li><a class="scroll" href="#xray">X-Ray</a></li> <li><a class="scroll" href="#fluoroscopy">Fluoroscopy</a></li> <li><a class="scroll" href="#mri">MRI</a></li> <li><a class="scroll" href="#neuroimaging">Neuroimaging</a></li> <li><a class="scroll" href="#nuclear_medicine">Nuclear Medicine</a></li> <li><a class="scroll" href="#ultrasound">Ultrasound</a></li> </ul> Here is my HTML for the second page which does not work: <ul id="our_services_sub_sections" class="womens_imaging"> <li><a class="scroll active" href="#mammography">Mammography</a></li> <li><a class="scroll" href="#breast_ultrasound">Breast Ultrasound</a></li> <li><a class="scroll" href="#breast_biopsy">Breast Biopsy</a></li> <li><a class="scroll" href="#breast_mri">Breast MRI</a></li> <li><a class="scroll osteo" href="#osteoporosis">Osteoporosis<br />Evaluation (DEXA)</a></li> </ul> Why is this not working?

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  • has_one and has_many associations: which side of the association is saved first

    - by SeeBees
    I have three simplified models: class Team < ActiveRecord::Base has_many :players has_one :coach end class Player < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end class Coach < ActiveRecord::Base belongs_to :team validates_presence_of :team_id end I use the following code to test these models: t = Team.new team.coach = Coach.new team.save! team.save! returns true. But in another test: t = Team.new team.players << Player.new team.save! team.save! gives the following error: > ActiveRecord::RecordInvalid: > Validation failed: Players is invalid > from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/validations.rb:1090:in > `save_without_dirty!' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/dirty.rb:87:in `save_without_transactions!' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/transactions.rb:200:in > `save!' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in > `transaction' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/transactions.rb:182:in > `transaction' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/transactions.rb:200:in > `save!' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/transactions.rb:208:in > `rollback_active_record_state!' from > /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/transactions.rb:200:in > `save!' from (irb):14 I figured out when team.save! is called, it first calls player.save!. player needs to validate the presence of the id of the associated team. But at the time player.save! is called, team hasn't been saved yet, and therefore, team_id doesn't yet exist for player. This fails the player's validation, so the error occurs. But on the other hand, team is saved before coach.save!, otherwise the first example will get the same error as the second. So I've concluded that when a has_many bs, a.save! will save bs prior to a. When a has_one b, a.save! will save a prior to b. If I am right, why is this the case? It doesn't seem logical to me. Why has_one and has_many association have different order in saving? Any ideas? Thanks.

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  • User Getting Logged Out After Making First Comment

    - by John
    Hello, I am using a login system that works well. I am also using a comment system. The comment function does not show up unless the user is logged in (as shown in commentformonoff.php below). When a user makes a comment, the info is passed from the function "show_commentbox" to the file comments2a.php. Then, the info is passed to the file comments2.php. When the site is first pulled up on a browser, after logging in and making a comment, the user is logged out. After logging in a second time during the same browser session, the user is no longer logged out after making a comment. How can I keep the user logged in after making the first comment? Thanks in advance, John Commentformonoff.php: <?php if (!isLoggedIn()) { if (isset($_POST['cmdlogin'])) { if (checkLogin($_POST['username'], $_POST['password'])) { show_commentbox($submissionid, $submission, $url, $submittor, $submissiondate, $countcomments, $dispurl); } else { echo "<div class='logintocomment'>Login to comment</div>"; } } else { echo "<div class='logintocomment'>Login to comment</div>"; } } else { show_commentbox($submissionid, $submission, $url, $submittor, $submissiondate, $countcomments, $dispurl); } ?> Function "show_commentbox": function show_commentbox($submissionid, $submission, $url, $submittor, $submissiondate, $countcomments, $dispurl) { echo '<form action="http://www...com/.../comments/comments2a.php" method="post"> <input type="hidden" value="'.$_SESSION['loginid'].'" name="uid"> <input type="hidden" value="'.$_SESSION['username'].'" name="u"> <input type="hidden" value="'.$submissionid.'" name="submissionid"> <input type="hidden" value="'.stripslashes($submission).'" name="submission"> <input type="hidden" value="'.$url.'" name="url"> <input type="hidden" value="'.$submittor.'" name="submittor"> <input type="hidden" value="'.$submissiondate.'" name="submissiondate"> <input type="hidden" value="'.$countcomments.'" name="countcomments"> <input type="hidden" value="'.$dispurl.'" name="dispurl"> <label class="addacomment" for="title">Add a comment:</label> <textarea class="checkMax" name="comment" type="comment" id="comment" maxlength="1000"></textarea> <div class="commentsubbutton"><input name="submit" type="submit" value="Submit"></div> </form> '; } Included in comments2a.php: $uid = mysql_real_escape_string($_POST['uid']); $u = mysql_real_escape_string($_POST['u']); $query = sprintf("INSERT INTO comment VALUES (NULL, %d, %d, '%s', NULL)", $uid, $subid, $comment); mysql_query($query) or die(mysql_error()); $lastcommentid = mysql_insert_id(); header("Location: comments2.php?submission=".$submission."&submissionid=".$submissionid."&url=".$url."&submissiondate=".$submissiondate."&comment=".$comment."&subid=".$subid."&uid=".$uid."&u=".$u."&submittor=".$submittor."&countcomments=".$countcomments."&dispurl=".$dispurl."#comment-$lastcommentid"); exit(); Included in comments2.php: if($_SERVER['REQUEST_METHOD'] == "POST"){header('Location: http://www...com/.../comments/comments2.php?submission='.$submission.'&submissionid='.$submissionid.'&url='.$url.'&submissiondate='.$submissiondate.'&submittor='.$submittor.'&countcomments='.$countcomments.'&dispurl='.$dispurl.'');} $uid = mysql_real_escape_string($_GET['uid']); $u = mysql_real_escape_string($_GET['u']);

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  • Maze not being random.

    - by Matt Habel
    Hey there, I am building a program that generates a maze so I can later translate the path to my graphical part. I have most of it working, however, every time you can just take the east and south routes, and you'll get to the end. Even if I set the width as high as 64, so the maze is 64*64, I'm able to choose those 2 options and get to the end every time. I really don't understand why it is doing that. The code is below, it's fairly easy to understand. import random width = 8 def check(x,y): """Figures out the directions that Gen can move while""" if x-1 == -1: maze[x][y][3] = 0 if x+1 == width + 1: maze[x][y][1] = 0 if y+1 == width + 1: maze[x][y][2] = 0 if y-1 == -1: maze[x][y][0] = 0 if x + 1 in range(0,width) and visited[x+1][y] == False: maze[x][y][1] = 2 if x - 1 in range(0,width) and visited[x-1][y] == False: maze[x][y][3] = 2 if y + 1 in range(0,width) and visited[x][y+1] == False: maze[x][y][2] = 2 if y - 1 in range(0,width) and visited[x][y-1] == False: maze[x][y][0] = 2 def possibleDirs(x,y): """Figures out the ways that the person can move in each square""" dirs = [] walls = maze[x][y] if walls[0] == 1: dirs.append('n') if walls[1] == 1: dirs.append('e') if walls[2] == 1: dirs.append('s') if walls[3] == 1: dirs.append('w') return dirs def Gen(x,y): """Generates the maze using a depth-first search and recursive backtracking.""" visited[x][y] = True dirs = [] check(x,y) if maze[x][y][0] == 2: dirs.append(0) if maze[x][y][1] == 2: dirs.append(1) if maze[x][y][2] == 2: dirs.append(2) if maze[x][y][3] == 2: dirs.append(3) print dirs if len(dirs): #Randonly selects a derection for the current square to move past.append(current[:]) pos = random.choice(dirs) maze[x][y][pos] = 1 if pos == 0: current[1] -= 1 maze[x][y-1][2] = 1 if pos == 1: current[0] += 1 maze[x+1][y][3] = 1 if pos == 2: current[1] += 1 maze[x][y+1][0] = 1 if pos == 3: current[0] -= 1 maze[x-1][y][1] = 1 else: #If there's nowhere to go, go back one square lastPlace = past.pop() current[0] = lastPlace[0] current[1] = lastPlace[1] #Build the initial values for the maze to be replaced later maze = [] visited = [] past = [] #Generate empty 2d list with a value for each of the xy coordinates for i in range(0,width): maze.append([]) for q in range(0, width): maze[i].append([]) for n in range(0, 4): maze[i][q].append(4) #Makes a list of falses for all the non visited places for x in range(0, width): visited.append([]) for y in range(0, width): visited[x].append(False) dirs = [] print dirs current = [0,0] #Generates the maze so every single square has been filled. I'm not sure how this works, as it is possible to only go south and east to get to the final position. while current != [width-1, width-1]: Gen(current[0], current[1]) #Getting the ways the person can move in each square for i in range(0,width): dirs.append([]) for n in range(0,width): dirs[i].append([]) dirs[i][n] = possibleDirs(i,n) print dirs print visited pos = [0,0] #The user input part of the maze while pos != [width - 1, width - 1]: dirs = [] print pos if maze[pos[0]][pos[1]][0] == 1: dirs.append('n') if maze[pos[0]][pos[1]][1] == 1: dirs.append('e') if maze[pos[0]][pos[1]][2] == 1: dirs.append('s') if maze[pos[0]][pos[1]][3] == 1: dirs.append('w') print dirs path = raw_input("What direction do you want to go: ") if path not in dirs: print "You can't go that way!" continue elif path.lower() == 'n': pos[1] -= 1 elif path.lower() == 'e': pos[0] += 1 elif path.lower() == 's': pos[1] += 1 elif path.lower() == 'w': pos[0] -= 1 print"Good job!" As you can see, I think the problem is at the point where I generate the maze, however, when I just have it go until the current point is at the end, it doesn't fill every maze and is usually just one straight path. Thanks for helping. Update: I have changed the for loop that generates the maze to a simple while loop and it seems to work much better. It seems that when the for loop ran, it didn't go recursively, however, in the while loop it's perfectly fine. However, now all the squares do not fill out.

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  • Explicit method tables in C# instead of OO - good? bad?

    - by FunctorSalad
    Hi! I hope the title doesn't sound too subjective; I absolutely do not mean to start a debate on OO in general. I'd merely like to discuss the basic pros and cons for different ways of solving the following sort of problem. Let's take this minimal example: you want to express an abstract datatype T with functions that may take T as input, output, or both: f1 : Takes a T, returns an int f2 : Takes a string, returns a T f3 : Takes a T and a double, returns another T I'd like to avoid downcasting and any other dynamic typing. I'd also like to avoid mutation whenever possible. 1: Abstract-class-based attempt abstract class T { abstract int f1(); // We can't have abstract constructors, so the best we can do, as I see it, is: abstract void f2(string s); // The convention would be that you'd replace calls to the original f2 by invocation of the nullary constructor of the implementing type, followed by invocation of f2. f2 would need to have side-effects to be of any use. // f3 is a problem too: abstract T f3(double d); // This doesn't express that the return value is of the *same* type as the object whose method is invoked; it just expresses that the return value is *some* T. } 2: Parametric polymorphism and an auxilliary class (all implementing classes of TImpl will be singleton classes): abstract class TImpl<T> { abstract int f1(T t); abstract T f2(string s); abstract T f3(T t, double d); } We no longer express that some concrete type actually implements our original spec -- an implementation is simply a type Foo for which we happen to have an instance of TImpl. This doesn't seem to be a problem: If you want a function that works on arbitrary implementations, you just do something like: // Say we want to return a Bar given an arbitrary implementation of our abstract type Bar bar<T>(TImpl<T> ti, T t); At this point, one might as well skip inheritance and singletons altogether and use a 3 First-class function table class /* or struct, even */ TDictT<T> { readonly Func<T,int> f1; readonly Func<string,T> f2; readonly Func<T,double,T> f3; TDict( ... ) { this.f1 = f1; this.f2 = f2; this.f3 = f3; } } Bar bar<T>(TDict<T> td; T t); Though I don't see much practical difference between #2 and #3. Example Implementation class MyT { /* raw data structure goes here; this class needn't have any methods */ } // It doesn't matter where we put the following; could be a static method of MyT, or some static class collecting dictionaries static readonly TDict<MyT> MyTDict = new TDict<MyT>( (t) => /* body of f1 goes here */ , // f2 (s) => /* body of f2 goes here */, // f3 (t,d) => /* body of f3 goes here */ ); Thoughts? #3 is unidiomatic, but it seems rather safe and clean. One question is whether there are any performance concerns with it. I don't usually need dynamic dispatch, and I'd prefer if these function bodies get statically inlined in places where the concrete implementing type is known statically. Is #2 better in that regard?

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  • Core Data migration failing with error: Failed to save new store after first pass of migration

    - by unforgiven
    In the past I had already implemented successfully automatic migration from version 1 of my data model to version 2. Now, using SDK 3.1.3, migrating from version 2 to version 3 fails with the following error: Unresolved error Error Domain=NSCocoaErrorDomain Code=134110 UserInfo=0x5363360 "Operation could not be completed. (Cocoa error 134110.)", { NSUnderlyingError = Error Domain=NSCocoaErrorDomain Code=256 UserInfo=0x53622b0 "Operation could not be completed. (Cocoa error 256.)"; reason = "Failed to save new store after first pass of migration."; } I have tried automatic migration using NSMigratePersistentStoresAutomaticallyOption and NSInferMappingModelAutomaticallyOption and also migration using only NSMigratePersistentStoresAutomaticallyOption, providing a mapping model from v2 to v3. I see the above error logged, and no object is available in the application. However, if I quit the application and reopen it, everything is in place and working. The Core Data methods I am using are the following ones - (NSManagedObjectModel *)managedObjectModel { if (managedObjectModel != nil) { return managedObjectModel; } NSString *path = [[NSBundle mainBundle] pathForResource:@"MYAPP" ofType:@"momd"]; NSURL *momURL = [NSURL fileURLWithPath:path]; managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:momURL]; return managedObjectModel; } - (NSManagedObjectContext *) managedObjectContext { if (managedObjectContext != nil) { return managedObjectContext; } NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator]; if (coordinator != nil) { managedObjectContext = [[NSManagedObjectContext alloc] init]; [managedObjectContext setPersistentStoreCoordinator: coordinator]; } return managedObjectContext; } - (NSPersistentStoreCoordinator *)persistentStoreCoordinator { if (persistentStoreCoordinator != nil) { return persistentStoreCoordinator; } NSURL *storeUrl = [NSURL fileURLWithPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"MYAPP.sqlite"]]; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; NSError *error = nil; persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]]; if (![persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:options error:&error]) { // Handle error NSLog(@"Unresolved error %@, %@", error, [error userInfo]); } return persistentStoreCoordinator; } In the simulator, I see that this generates a MYAPP~.sqlite files and a MYAPP.sqlite file. I tried to remove the MYAPP~.sqlite file, but BOOL oldExists = [[NSFileManager defaultManager] fileExistsAtPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"MYAPP~.sqlite"]]; always returns NO. Any clue? Am I doing something wrong? Thank you in advance.

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  • Mongo Map Reduce first time

    - by James
    Hello guys, First time Map/Reduce user here, and using MongoDB. I have a lot of page visit data which I'd like to make some sense of by using Map/Reduce. Below is basically what I want to do, but as a total beginner a Map/Reduce, I think this is above my knowledge! Find all visits to current page where external = true within the last 30 days (unix timestamp, I deal with the date ranges in PHP and then the array, not mongo date) Group all visits by referral location For each referral location, calculate how many then went to visit a page which has a certain word in the [tags]. I'm using the normal Mongo PHP extension if that has an impact.

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  • PHP File Upload second file does not upload, first file does without error

    - by Curtis
    So I have a script I have been using and it generally works well with multiple files... When I upload a very large file in a multiple file upload, only the first file is uploaded. I am not seeing an errors as to why. I figure this is related to a timeout setting but can not figure it out - Any ideas? I have foloowing set in my htaccess file php_value post_max_size 1024M php_value upload_max_filesize 1024M php_value memory_limit 600M php_value output_buffering on php_value max_execution_time 259200 php_value max_input_time 259200 php_value session.cookie_lifetime 0 php_value session.gc_maxlifetime 259200 php_value default_socket_timeout 259200

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  • Add Embebded HTML Code withut rendering on HTML Email

    - by Suneth Kalhara
    I creating HTML email but i need to send some html code without rendering (because this code for user he can copy and paste the code on there website) i need to send this code without rendering on html email, i tried code and pre tags but no luck <a href="###"><img src="####" width="300" height="250" border="0" alt="####/><br />Watch Local Cam</a> is there any way to do this

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  • Finding first alphabetic character in a DB2 database field

    - by Paul Alan Taylor
    I'm doing a bit of work which requires me to truncate DB2 character-based fields. Essentially, I need to discard all text which is found at or after the first alphabetic character. e.g. 102048994BLAHBLAHBLAH becomes:- 102048994 In SQL Server, this would be a doddle - PATINDEX would swoop in and save the day. Much celebration would ensue. My problem is that I need to do this in DB2. Worse, the result needs to be used in a join query, also in DB2. I can't find an easy way to do this. Is there a PATINDEX equivalent in DB2? Is there another way to solve this problem? If need be, I'll hardcode 26 chained LOCATE functions to get my result, but if there is a better way, I am all ears.

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  • store multiple id's from first aspx page to next aspx page

    - by poller
    i have my first aspx page that has data thatthe user fills in. it is in format of textbox's and at the end of it all the user clicks submit and all data goes in the database. In the database each record gets an ID field. Now when the users clicks submit and goes to the next page, i want the ID's (they could be 1 to 1000+) from the DB that he just inserted and have them available on the second page. how can i take all the id's from page 1 to page 2? can i do it in session? or something else. Please put some sample code so i can understand better.

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  • Use sed to replace first 8 and last 4 pipes on every line in a file

    - by Dan Watling
    Here's the situation, I have a text file that is pipe-delimited and one of fields contains pipe characters. I already have a sed script that will change it to be tab-delimited, but the problem is it's terribly slow. It will replace the first occurrence of a pipe 8 times, then replace the last occurrence of a pipe 4 times. I'm hoping there's a quicker way to do what I need. Any thoughts would be appreciated. Here's my current sed script: sed 's/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/|\(.*\)/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/;s/\(.*\)|/\t/' $1 > $1.tab Thanks, -Dan

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  • Regex to match the first file in a rar archive file set in Python

    - by mridang
    I need to uncompress all the files in a directory and for this I need to find the first file in the set. I'm currently doing this using a bunch of if statements and loops. Can i do this this using regex? Here's a list of files that i need to match: yes.rar yes.part1.rar yes.part01.rar yes.part001.rar yes.r01 yes.r001 These should NOT be matched: no.part2.rar no.part02.rar no.part002.rar no.part011.rar no.r002 no.r02 I found a similar regex on this thread but it seems that Python doesn't support varible length lookarounds. A single line regex would be complicated but I'll document it well and it's not a problem. It's just one of those problems you beat your heap up, over. Thanks in advance guys. :)

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  • ASP.net - First build fails with 'Unknown server tag'

    - by Sophia
    I have multiple custom controls used on a ASPX (and C#) page registered from within the page rather than in Web.Config. On the first build (or rebuild), build fails with error messages for wherever I've used the custom controls. Subsequent builds are successful. The error message: Unknown server tag 'prefix:ExampleControl'. What might cause this, and how can I fix it? Register syntax: <%@ Register Src="ControlsFolder/ExampleControl.ascx" TagName="ExampleControl" TagPrefix="prefix" %> <!-- etc --> Usage syntax: <prefix:ExampleControl runat="server" ID="ExampleControl1" /> <!-- etc -->

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  • Python "draw() must be called with Label instance as first argument (got _WindowMetaclass instance i

    - by Amorack
    This is a class I made using Python with pyglet to display a window. class Window(pyglet.window.Window): def __init__(self): super(Window, self).__init__() pyglet.text.Label("Prototype") windowText = text.Label.draw(Window, "Hello World", font_name = "Times New Roman", font_size = 36, color = (193, 205, 193, 255)) def on_draw(self): self.clear() self.label.draw() Every time I try to run it I get the error "TypeError: unbound method draw() must be called with Label instance as first argument (got _WindowMetaclass instance instead)". I'm pretty sure I know what I have to do (find how to get Label's instance) just not how to do it. Could someone help me understand how to make this work?

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  • Cannot format first column in WxPython's ListCtrl

    - by Matt Clarke
    If I set the format of the first column in a ListCtrl to align centre (or align right) nothing happens. It works for the other columns. This only happens on Windows - I have tested it on Linux and it works fine. Does anyone know if there is a work-round or other solution? Here is an example based on code found at http://zetcode.com/wxpython/ import wx import sys packages = [('jessica alba', 'pomona', '1981'), ('sigourney weaver', 'new york', '1949'), ('angelina jolie', 'los angeles', '1975'), ('natalie portman', 'jerusalem', '1981'), ('rachel weiss', 'london', '1971'), ('scarlett johansson', 'new york', '1984' )] class Actresses(wx.Frame): def __init__(self, parent, id, title): wx.Frame.__init__(self, parent, id, title, size=(380, 230)) hbox = wx.BoxSizer(wx.HORIZONTAL) panel = wx.Panel(self, -1) self.list = wx.ListCtrl(panel, -1, style=wx.LC_REPORT) self.list.InsertColumn(0, 'name', wx.LIST_FORMAT_CENTRE,width=140) self.list.InsertColumn(1, 'place', wx.LIST_FORMAT_CENTRE,width=130) self.list.InsertColumn(2, 'year', wx.LIST_FORMAT_CENTRE, 90) for i in packages: index = self.list.InsertStringItem(sys.maxint, i[0]) self.list.SetStringItem(index, 1, i[1]) self.list.SetStringItem(index, 2, i[2]) hbox.Add(self.list, 1, wx.EXPAND) panel.SetSizer(hbox) self.Centre() self.Show(True) app = wx.App() Actresses(None, -1, 'actresses') app.MainLoop()

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  • Objective C: Create arrays from first array based on value

    - by Nic Hubbard
    I have an array of strings that are comma separated such as: Steve Jobs,12,CA Fake Name,21,CA Test Name,22,CA Bill Gates,44,WA Bill Nye,21,OR I have those values in an NSScanner object so that I can loop through the values and get each comma seperated value using objectAtIndex. So, what I would like to do, is group the array items into new arrays, based on a value, in this case, State. So, from those, I need to loop through, checking which state they are in, and push those into a new array, one array per state. CA Array: Steve Jobs,12,CA Fake Name,21,CA Test Name,22,CA WA Array: Bill Gates,44,WA OR Array: Bill Nye,21,OR So in the end, I would have 3 new arrays, one for each state. Also, if there were additional states used in the first array, those should have new arrays created also. Any help would be appreciated!

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  • Making selectable again a WPF TreeviewITem after the first click

    - by pileggi
    Hi, I have a TreeVIew WPF with 2 Levels of Data. I have deleted the ToogleButton from the TreeViewItemTemplate. Now I'd like to expand / collapse the groups with a single mouse-click (not with a double click as the default behaviour). I have tried in this way: Private Sub tvArt_SelectedItemChanged(ByVal sender As System.Object, _ ByVal e As RoutedPropertyChangedEventArgs(Of System.Object)) Handles tvArt.SelectedItemChanged If e.NewValue Is Nothing = False Then Dim ri As P_RicambiItem = TryCast(e.NewValue, P_RicambiItem) If ri Is Nothing = False Then If ri.isExpanded Then ri.isExpanded = False Else ri.isExpanded = True End If ri.isSelected = False End If End If End Sub Using my properties "isExpanded" and "isSelected" in the collection data source. But it works only halfway: after the first click, infact, I can't click for a second time on the same item, because, even if I've deselected it, the event handler "remembers" that it was the last selected item and it doesn't capture the event "SelectedItemChanged". How can I do? Thanks a lot, Pileggi

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  • Exporting a report from Crystal 8.5 causes the report to first refresh, then export, with unexpected

    - by LittleBobbyTables
    We have a VB6 application that can generate reports using the Crystal Reports 8.5 runtime. To generate one of the more complicated reports we have, the VB app does the following: Deletes records from a SQL table (we'll call it Foo) based on the session ID of the user Performs a select statement, and populates the Foo table with the contents of the select statement. Massages the data in Foo. Executes the report (we'll call it Bar). The Bar report uses the Foo table as part of some outer joins to get some descriptions. After the report is opened and populated, the code then deletes the records in Foo. If you ever look in Foo there will be no data since it is always purged at the end, but the Crystal Report will still have the data, since Foo wasn't cleared out until after the report ran. Most sites can export this report afterwards, to either PDF or Excel, with no issue. One site, however, has two servers in production where if you attempt to export the Bar report (doesn't matter what format it is exported to), the report will visibly refresh and then export the report in the requested format. This refresh, however, causes the exported data to be invalid because the report is still doing the outer joins to the Foo table, which is now empty. I'm at a total loss why the report refreshes before printing on these two servers. One server has Crystal Reports 8.5 installed on it as well as the Crystal Reports 8.5 runtime (so they can modify reports). The other server only has the Crystal Reports 8.5 runtime (so you can generate reports from the VB application, but can't modify them on that server). Both of the servers belong to a French site. Another support staff here said the issue sounded vaguely familiar to an issue a few years ago, and suggested re-registering DLLs. I have tried unregistering and re-registering the following DLLs out of frustration: Crystl32.ocx crxlat32.dll cpeau32.dll exportmodeller.dll crtslv.dll atl.dll Unregistering and re-registering the above DLLs does not fix the issue. If we take the problem report, and run it on any of our development or QA servers, we have no issues; the report does NOT refresh before exporting, and the data looks consistent. It seems like a server or regional setting may be causing this, but what could possibly cause the report to refresh before exporting on only two of our servers? The most obvious solution is to simply alter the code so the Foo table isn't purged after the report is run, only when the report is run, but this is a production issue, the customer wants a fix now, and there's quite a few hoops to jump through to make the change.

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  • Do you have any tips for commenting code?

    - by Rob Wells
    G'day, I've read both of Steve McConnell's excellent Code Complete books "Code Complete" and "Code Complete 2" and was wondering if people have any other suggestions for commenting code.co My commenting mantra could be summed up by the basic idea of expressing "what the code below cannot say". While enjoying this interesting blog post by Jeff about commenting I was still left wondering "When coding, when do you feel a comment is required?"

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  • Regex only retrieves the first necessary element but not all of them

    - by Serge
    Can anybody help me with retrieving some elements from the following example text: sdfaasdflj asdfjl;a AB-12/34 BC-/85 CD-//8 DD-77 DE-78/9 EE-78-98 asdf; asdjf It is necessary to get the following elements: AB-12/34, BC-/85, CD-//8, DD-77, DE-78/9 When I'm using a regular expression like this: \s*(?<elements>\b[A-Z]{2}-[/0-9]+\b) everything works fine - all the necessary elements are being retrieved (except for the EE element are amonth them, but it doesn't matter). The problem is that this line is a part of a more complex regex, so when I'm trying to apply a regex like this: (?s).*\sas.*? \s*(?<elements>\b[A-Z]{2}-[/0-9]+\b)*.* .*as It only returns me just the first AB-12/34 element and nothing else. How to correct the regex to get all the elements? TIA.

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  • Help with a pseudo-class, first-child

    - by zac
    I am working on a CMS platform with limited access to the template files and want to try and control some of the layout with pseudo class but no luck yet. Can anyone see what is wrong with this structure and why my pseudo class is being ignored? <div id="main"> <div class="someRandomDiv"></div> <div class="block"> stuff </div> <div class="block"> more stuff </div> </div> and i am trying something like this #main .block {border: 1px solid blue} #main .block:first-child {border: 1px solid red} so with this example I would think the stuff block would have a red border and more stuff would have a blue but it is all just blue. Thanks for any help with this.

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