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• Windows Service Printing Behaviour

  - by Andre

  Alright, I was tasked to develop a Windows Service that listens to a directory for files that are dropped in it, read them, delete them and print out a report. I installed the service on my work laptop (Win 7 x86) and a test machine (XP x86) under a User account at first. It would do everything as it should except the print the report. No errors, nothing. Then I made it run under Local System and it produced a "No printers found" exception. Converting the app to a Console Application and running on these machines gave the desired result. OK, so now I was assuming that there are security "stuff" involved. Then I installed the service on a Server 2008 x64 machine (under Local System) and it just worked. Can anybody explain to me why this is happening? Why does the service allow printing from Server OS but not from a Desktop OS or am I missing something very obvious?

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• Get detailed information on FileSystemEventArgs.ChangeType

  - by case23

  I using the FileWatcher Class to locate changes on Files in a specific Folder. I managed to detect Changes on Files but not detailed Information. On the WatcherChangeTypes Enumeration Page http://msdn.microsoft.com/en-us/library/t6xf43e0%28v=VS.100%29.aspx they write the Change Type detects the changes include: changes to size, attributes, security settings, last write, and last access time. Is there a way to detect which kind of change happened? Thats the Event handler method i use. private void OnChanged(object source, FileSystemEventArgs e) { Console.WriteLine("File: " + e.FullPath + " Change Type: " + e.ChangeType); } Thank you in advance Case

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• C# == operator in Immediate window behaves differently than at run-time

  - by Damiano

  Try the following in the Immediate window: object a1 = "a"; object a2 = "a"; a1==a2 // outputs false and you'll see that a1 == a2 outputs false. However, at runtime in either a window app or console, you'll get true: object t1 = "a"; object t2 = "a"; MessageBox.Show((t1 == t2).ToString()); // outputs true The runtime behavior is consistent with the definition for the == operator and strings. Does anybody know if this a bug in the Immediate window?

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• How do I get the name of the test method that was ran in a testng tear down method?

  - by Zachary Spencer

  Basically I have a tear down method that I want to log to the console which test was just ran. How would I go about getting that string? I can get the class name, but I want the actual method that was just executed. Class testSomething() { @AfterMethod public void tearDown() { system.out.println('The test that just ran was....' + getTestThatJustRanMethodName()'); } @Test public void testCase() { assertTrue(1==1); } } should output to the screen: "The test that just ran was.... testCase" However I don't know the magic that getTestThatJustRanMethodName should actually be.

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• Object initialization sequence in Objective-C

  - by Alex

  Hello everyone. The Cocoa framework has a convention to always call self = [super init] in the init method of an inherited class, because [super init] may return a new instance. What will happen if I do this? @interface MyClass : NSObject /* or any other class */ { int ivar_; } @end @implementation MyClass - (id)init { ivar_ = 12345; if ((self = [super init])) { NSLog(@"ivar_'s value is %d", ivar_); } return self; } @end In the case when [super init] returns a new instance, what will I see in the console? ivar_'s value is 0? I can't think of a way to check this myself, because I don't know which class may return a new instance from its init method. Also, can't seem to find explicit clarification for this scenario in the docs. Could anyone help me out? Thanks!

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• How to get id of the saved record in Ruby on Rails

  - by railsnew

  I am doing this from the console but I'd like to do this in my code too. Basically I am trying to add a record to the table and then get the id back. >> @record = Physician.create(:pname => "someone2") => #<Physician id: nil, pname: "someone2", pgroup: nil, created_at: nil, updated_at: nil, userid: nil, storeid: nil, licexpdate: nil, address: nil> >> @record.save => false >>

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• Check boxes for a has_many and belongs_to association.

  - by Thomas

  I have a has_many and belongs_to association. class Link < ActiveRecord::Base has_and_belongs_to_many :categories belongs_to :property end class Property < ActiveRecord::Base has_many :links end In the index and show I have <%= link.property.name %> and it will show the Property that I assigned to the link with the console just fine. I have a problem with figuring out how to show check boxes in the _form that assign a property to the link (a drop down would work as well). It seems everyone who has had this question before has ether a has_many :through or a HABTM relationship and I can't seem to adapt their answers.

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• How to link Delphi with C++?

  - by CyberShadow

  cpp.cpp extern "C" char* GetText() { return "Hello, world!"; } delphi.dpr {$APPTYPE CONSOLE} {$LINK 'cpp.obj'} function _GetText: PChar; cdecl; external; begin WriteLn(_GetText); end. I can't get this to work, no matter what I try. I tried various calling conventions, playing with underscores. even creating a .c wrapper for the .cpp code (but then the .c wrapper doesn't "see" any .cpp symbols). I'm about to give up and use DLLs. Any suggestions?

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• Several different project types in solution use same class. Where can I place this class?

  - by user3605366

  I have one solution with 3 related projects: 1) a Windows console app that reads data and stores it to a mssql DB, 2) WCF service that will retrieve from mssql data, 3) website that will read from the WCF. There could be other projects in the future. The first two projects (and any related future projects) use a Sqlhelper class. Should I create a separate project for it? The most ideal one would be a class library, but I don't know if a WCF invoking a DLL is correct. Any help is appreciated. Thanks.

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• How to read and loop through each rows in an Excel using C#

  - by Ullan

  I need to read an excel file and loop through the rows. I used the below code to read the excel file. But I am not getting the entire row, inseatd of getting the column values. try { OleDbConnection objConnection = new OleDbConnection(strConnectionString); string queryString = string.Format("Select * from [{0}$]", strSheetName, objConnection); OleDbCommand command = new OleDbCommand(queryString, objConnection); objConnection.Open(); OleDbDataReader reader = command.ExecuteReader(); while (reader.Read()) { var val1 = reader[0].ToString(); //Here I want to get each row } reader.Close(); } catch (Exception ex) { Console.WriteLine(ex.Message); } I need to check if the row is empty or not, if not empty, I need to serach for some values in a particular column. Thanks for your help

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• Interacts with dialog/whiptail on early boot rcX.d stage?

  - by nm

  Hi buddies, I'm developing on Ubuntu based, actually I got one script in-charged on GUI(console) setup. It runs before another scripts (rcX.d) start. Currently, I installed this script on rc2.d and start earlier than other ones. But when run on real machine, I can't input any keystroke on "dialog --inputbox" or whiptail through shell script. Additionally, It runs well on my Virtual Machine (Virtual Box and Vmware), that's so strange! So, does anybody give some help or point me any clues for overcome this ? Thanks

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• Application crashes when popViewControllerAnimated is called while scrolling

  - by Aldrich

  In one screen I have a custom toolbar with a "close" button in it, and a UIScrollView. In the screen that preceded this one I had pushed the current screen into the navigation stack. I had also disabled the navigation toolbar for a larger display area and so the close button would instead be used to call: - (void)doClose { [self.navigationController popViewControllerAnimated:YES]; } Now here's the problem: the application crashes when the close button is pressed, while the UIScrollView is moving. Here's the debugger stack trace: 0 __forwarding__ 1 __forwarding_prep_0___ 2 -[UIToolbarButton setHighlighted:] 3 -[UIControl(Static) _unhighlight] 4 __NSFireDelayedPerform ... and I do have the following line in the debugger console: *** -[CALayer setOpacity:]: message sent to deallocated instance 0x718d250 (sometimes setOpacity would be setNeedsDisplay or something related) There won't be any crashes while the scrollview is at rest. What is happening?

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• Laravel Passing variable not working

  - by Friend

  Hello People here is my code i have used in controller... public function bulk() { return View::make('bulk')->with('message','hii there'); } my route file contains... Route::get('bulk',array('uses'=>'HomeController@bulk'))->before('auth'); In my view Iam testing it by ... @if(Session::has('message')) Present @else not Present @endif The page is making a view with the message 'not Present' why is it?? I even tried return Redirect::to('bulk')->with('message','hii there'); I get an erro mesage on Console mypro/public/bulk net::ERR_TOO_MANY_REDIRECTS What could be the problem?? is there any issues with name?? I tried this method earlier which worked fine for me.... :( Iam using Blade Template..

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• Setting location based on previous parameter of $routeChangeError with AngularJS

  - by Moo

  I'm listening on events of the type $routeChangeError in a run block of my application. $rootScope.$on("$routeChangeError", function (event, current, previous, rejection) { if (!!previous) { console.log(previous); $location.path(previous.$$route.originalPath); } }); With the help of the previous parameter I would like to set the location to the previous page. This works as long as the "originalPath" of "previous.$$route" does not contain any parameters. If it contains parameters the "originalPath" is not transformed. Logging the previous objects returns the following output: $$route: Object ... originalPath: "/users/:id" regexp: /^\/users\/(?:([^\/]+)?)$/ ... params: Object id: "3" How can I set the location to the previous path including the parameters?

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• PHP and Javascript: Getting file contents with Javascript variable

  - by celliott1997

  Could someone help me to understand why this isn't working? var uname = "<?php echo strtolower($_GET['un']) ?>"; var source = "<?php echo file_get_contents('accounts/"+uname+"') ?>"; console.log(source); I've been trying for a while to get this working and it just doesn't seem to. Before I added in the source variable, it was working fine and displayed the un variable on the page. Thanks.

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• Security issues in accepting passwords vs auto generating the password

  - by Vivekanand Poojari

  Hi, I am developing a console application. This application generates a self signed certificate and installs it in the current machine's certificate store. The steps invlolved are :- Generate a certificate Create a pfx file Install the pfx file For these steps i would need a password for protecting the private key and the pfx file. However these passwords are used only during the execution of the exe. Should I auto generate a password using some random number generation algorithm or accept the password as input from the user? What are the security issues involved in both the scenarios ? Thanks Vivekanand

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• Setup Jetty 7 with JSP engine

  - by Justin

  I've been trying to get Jetty to run my web app via a custom launcher (embedded). I am trying to figure out how to tell Jetty which java compiler to use for JSPs. I want to do what java -jar start.jar -OPTIONS=jsp does, but without using start.jar. Here is what shows on the console: Javac exception, Unable to find a javac compiler; com.sun.tools.javac.Main is not on the classpath. Perhaps JAVA_HOME does not point to the JDK Do I need to put the javac libraries into my classpath?

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• Cocoa multhithreads, locks don't work

  - by Igor

  I have a threadMethod which shows in console robotMotorsStatus every 0.5 sec. But when I try to change robotMotorsStatus in changeRobotStatus method I receive an exception. Where I need to put locks in that program. #import "AppController.h" @implementation AppController extern char *robotMotorsStatus; - (IBAction)runThread:(id)sender { [self performSelectorInBackground:@selector(threadMethod) withObject:nil]; } - (void)threadMethod { char string_to_send[]="QFF001100\r"; //String prepared to the port sending (first inintialization) string_to_send[7] = robotMotorsStatus[0]; string_to_send[8] = robotMotorsStatus[1]; while(1){ [theLock lock]; usleep(500000); NSLog (@"Robot status %s", robotMotorsStatus); [theLock unlock]; } } - (IBAction)changeRobotStatus:(id)sender { robotMotorsStatus[0]='1'; }

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• Debuggin in Xcode

  - by huggie

  I'm toying with iPhone app development. Often times I would run into runtime error and I would have no idea where the error occurs (e.g. the exact line). In console app with GCC I could at least compile with the -g flag. dump a core file and read that core file in to get to the last line that got into trouble. But how would I do that in Xcode? Build and Debug doesn't seem to have the debugging symbol loaded.

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• How to get the string value of a UItextView?

  - by cocos2dbeginner

  Hi, I have a UITextView and a NString; I made this: myS = [myInfoTextView text]; but i get this in the console and not the string which is in the uitextview ( "<UIToolbarTextButton: 0x4d200c0; frame = (6 0; 112 44); opaque = NO; layer = <CALayer: 0x4da5540>>", "<UIToolbarTextButton: 0x4da5bb0; frame = (128 0; 106 44); opaque = NO; layer = <CALayer: 0x4d9e640>>" ) PS: I'm using the iphone sdk 4.2.

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• Flexible string handling in Visual Studio 2008 C++

  - by David

  I'm slowly starting to get the hang of the _T stuff in Visual Studio 2008 c++, but a few things still elude me. I can see the benefit of the flexibility, but if I can't get the basics soon, I think I'll go back to the standard way of doing this - much less confusing. The idea with the code below is that it scans the parameters for -d and then stores the text that follows that in the string variable fileDir. It also ignores any other parameters. Any help is appreciated. //Console application Parameters::Parameters(int argc, _TCHAR* argv[]) { _Tstring fileDir; // Is there some kind of _t variable to use here for a string? for (int i = 0; i < argc; i = i + 1) { if (_tccmp(argv[i], _T("-d")) == 0) // this appeared to accept anything starting with - { i = i + 1; fileDir = argv[i] } } _tprintf("Parameter value found: %s\n", fileDir); }

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• Pushing UIViewController onto a UINavigationController

  - by Gregg

  The other day I asked about using a UINavigationController as a child of a UIViewController. I got that working via the answer. Now what I'm trying to do is push a controller onto the nav stack. When a table cell is touched, I do the following: - (void) showSetup { NSLog(@"Showing Setup"); SetupViewController *controller = [[SetupViewController alloc]initWithNibName:@"SetupViewController" bundle:nil]; self.setupViewController = controller; self.setupViewController.title = @"Setup"; [self.navigationController pushViewController:self.setupViewController animated:YES]; [controller release]; } I can see the log statement in my console, but the view never changes. Am I missing something?

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• Selecting a value from multiple dictionaries inside an enumeration

  - by johaanfaust

  If I have an enumeration of dictionaries IEnumerable<IDictionary<string, float>> enumeration can I perform a Linq query on it so that I can select by a value from each dictionary in the enumeration using the same key? I can do this in a loop: float f; foreach (var dictionary in enumeration) { if (dictionary.TryGetValue("some key", out f)) { Console.WriteLine(f); } } (The eventual plan is to compare the performance of the query verses the equivalent nested looping statements (the enumeration itself is formed from either another query or an equivalent set of loops).)

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• jQuery hover() event on div element within a button element

  - by jakeisonline

  I can't seem to get jQuery to notice the div within the following markup <button class="button submit positive right" id="omnisubmit" type="submit"> <div class="label">Submit</div> <div class="controller">&nbsp;</div> </button> And here is the jQuery I'm currently using: $("button#omnisubmit div.controller").hover(function () { console.log("Hover..."); }); However, jQuery doesn't seem to pick up when the mouse is hovering over that div, $("button#omnisubmit div.controller").hover( works correctly, of course. I have a feeling it's because putting divs inside buttons may not be standard HTML?

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• How to find which method makes my iPhone app slow ?

  - by Stewart Hou

  Currently I am working on a production app. One function acts like the settings.app on iPhone. When the user click a cell of a tableView, as shown below http://www.penguintech.net/images/stackoverflow/1.png It will push another view, which includes a textfield to let user input something. However, on both simulator and device, after the app just loaded, the delay between clicking and showing the second view takes around 2 seconds. Then if user get back to previous view and click again, it will be no delay at all. To detect which method makes the delay, I put a NSLog() in every involved methods, but when I was inspecting the console while running the app, all NSLog() message showed in 0.1 seconds, and then still a delay on the app. Is there any other way to trace the performance footage of a app? The Instruments shows only CPU usage in Mac OS not in iPhone.

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