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• Running Script before/after Variables declared?

  - by Sam

  Hi folks. As i understand javascript .js files are best to put all the way at the bottom of html pages, to speed up loading of rest of page. Advised by Yslow(Yahoo) and Page Speed(google). Now, when in the middle of page some thing RUNS a javascript script, in Internet Explorer, i see a small warning message saying that the element is: Uncaught ReferenceError: SWFObject is not defined When i put my all.js file in the had, the error goes away but page load slows doen. What to do? Actually, i remember it was the same with php variables. If i RUN php but the variable comes later, then it just doesnt work. must define the variable first, for it to run. How to make this workflow better, in case of php scripts? and in case of javsscripts? Thanks!

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• Rails Installed But Not Working

  - by Luiz P

  Folks, Yesterday I installed Rails 3.2 on Ubuntu 12.10 and created a new project in order to check it. It was working OK. Today I tried to create a new project and got the message bellow (Portuguese version): O programa 'rails' pode ser encontrado nos seguintes pacotes: * rails * ruby-railties-3.2 Tente: sudo apt-get install <pacote selecionado> Something like: The program 'rails' could not be found in the follow packages: ... ... Try: sudo apt-get install <selected package> I run the command gem list and all the gems are listed, including Rails one. I tried to search on the web for a solution, but haven't found any. Thank you very much for your help. Luiz

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• unable to get into windows 7 or ubuntu after system file back on a dual boot system

  - by John Jiang

  I installed ubuntu on my dell xps 9000 which originally has a window 7 installed. So after I did system file back up as told by windows 7 and restarted my computer, I received the following message right after restarting in the black screen: roughly like this: ubuntu grub error, " " symbol cannot be found. I was wondering how I can get access into windows 7 and uninstall ubuntu all together. I actually had the same booting problem after system backup before and the solution was to install two extra ubuntus but I'd prefer not to do that. I'd highly appreciate any help!

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• Is it possible to temporarily disable Python's string interpolation?

  - by dangerouslyfacetious

  I have a python logger set up, using python's logging module. I want to store the string I'm using with the logging Formatter object in a configuration file using the ConfigParser module. The format string is stored in a dictionary of settings in a separate file that handles the reading and writing of the config file. The problem I have is that python still tries to format the file and falls over when it reads all the logging-module-specific formatting flags. { "log_level":logging.debug, "log_name":"C:\\Temp\\logfile.log", "format_string": "%(asctime)s %(levelname)s: %(module)s, line %(lineno)d - %(message)s" } My question is simple: how can I disable the formatting functionality here while keeping it elsewhere. My initial reaction was copious use of the backslash to escape the various percent symbols, but that of course permanently breaks the formatting such that it wont work even when I need it to. Also, general pointers on good settings-file practices would be nice. This is the first time I've done anything significant with ConfigParser (or logging for that matter). Thanks in advance, Dominic

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• How can I avoid floating the same content twice?

  - by Randall Bohn

  My Kynetx app uses float_html() to put up a box full of content. rule float_box { select when pageview ".*" pre { content = << <div id='messagebox'> <h3>Floating Message Box</h3> <ul id='my_list'></ul> </div> >>; } float_html("absolute","top:25px","right:20px",content); } rule fill_box { select when pageview ".*" foreach ["alpha","bravo","charlie"] setting (list_item) append("#my_list", "<li>#{list_item}</li>"); } The app (a421x27) is used from a bookmarklet. If you click the bookmarklet twice on the same page you get double content. Is there any way to detect that the box is already on the screen and reuse it?

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• How to suppress email validation when using SmtpClient and MailMessage

  - by Matthias

  When sending out emails using the SmtpClient and a MailMessage (.net 3.5) the "To" email address(es) get validated prior to sending. I've got a big stack of email addresses which have a dot (.) before the at-sign, causing a FormatException when you attempt to send the message using the SmtpClient. This is actually a good thing, because by specification a dot before the at-sign is invalid. Unfortunately, those emails exist in the real world and they get delivered, if you send them out using your preferred email client. My question is, can email validation through the SmtpClient/MailMessage be suppressed?

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• Entity Framework 4: Inheritance and Optimistic Concurrency

  - by Mohammadreza

  Hi guys, I'm using AdventureWorks 2008 R2 database and added the BusinessEntity and Person tables to my EDMX. Then I changed the model in which the Person table inherits from the BusinessEntity table. As you may know these two tables have ModifiedDate and rowguid columns so the Person class should not have these properties because it inherits them from the BusinessEntity class. My question is, how can I modify the model to support inheritance and optimistic concurrency on both Person and BusinessEntity classes/tables on ModifiedDate property/column. PS. It also get me an error message that I have asked here. Thanks

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• Issue while access contacts of android

  - by Rishabh

  I am new for android development. I am trying read and write contacts to android addressbook. I tried following line of code for write name into android public class SecondApp extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ContentValues values = new ContentValues(); values.put(Contacts.People.NAME, "Rishabh"); ContentResolver cr = getContentResolver(); Uri uri = cr.insert(People.CONTENT_URI, values); but i am getting "The application has stopped unexpectedly. Please try again" message. what is wrong in it ? How can i access contacts of android ?

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• Are Blogengine.net support posts in other language like Hindi when they written through unicode font

  - by steven spielberg

  when i test a post written in Hindi that i got the error that "Url : http://localhost:50263/BlogEngine.Web/admin/Pages/Add_entry.aspx?id=c3b7497c-60e7-41c7-ac10-36f21999f82f Raw Url : /BlogEngine.Web/admin/Pages/Add_entry.aspx?id=c3b7497c-60e7-41c7-ac10-36f21999f82f Message : A potentially dangerous Request.Form value was detected from the client (ctl00$cphAdmin$txtContent$TinyMCE1$txtContent=" ..."). Source : System.Web StackTrace : at System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) at System.Web.HttpRequest.ValidateNameValueCollection(NameValueCollection nvc, RequestValidationSource requestCollection) at System.Web.HttpRequest.get_Form() at System.Web.HttpRequest.get_Item(String key) at BlogEngine.Core.Web.HttpModules.CompressionModule.context_PostReleaseRequestState(Object sender, EventArgs e) in D:\Projects\Be-1610\BlogEngine\DotNetSlave.BusinessLogic\Web\HttpModules\CompressionModule.cs:line 62 at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) " what is meaning of this error. are this support unicode ?

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• Is there anyway to reduce IsolatedStorage capacity in Silverlight?

  - by Edward Tanguay

  With this code I can have Silverlight ask the user if he wants to increase IsolatedStorage: private void Button_IncreaseIsolatedStorage_Click(object sender, RoutedEventArgs e) { IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication(); long newStorageCapacityInBytes = FileHelpers.GetMaxiumumSpace() + SystemHelpers.GetAmountOfStorageToIncreaseWhenNeededInBytes(); store.IncreaseQuotaTo(newStorageCapacityInBytes); Message = "IsolatedStorage increased. " + FileHelpers.GetSpaceLeftMessage(); } But if I try to set it to an amount less than it current is, I get an error that this is not possible. 1. Is there a workaround for this, i.e. can I reduce the amount of IsolatedStorage? 2. When the user agrees to increasing IsolatedStorage, can other applications use this capacity or just the application in which he increased it?

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• Catching Oracle Errors in Django

  - by Dashdrum

  My Django app runs on an Oracle database. A few times a year, the database is unavailable because of a scheduled process or unplanned downtime. However, I can't see how to catch the error a give a useful message back to the requester. Instead, a 500 error is triggered, and I get an email (or hundreds) showing the exception. One example is: File "/opt/UDO/env/events/lib/python2.6/site-packages/django/db/backends/oracle/base.py", line 447, in _cursor self.connection = Database.connect(conn_string, **conn_params) DatabaseError: ORA-01035: ORACLE only available to users with RESTRICTED SESSION privilege I see a similar error with a different ORA number when the DB is down. Because the exception is thrown deep within the Django libraries, and can be triggered by any of my views or the built in admin views, I don't know where any exception trapping code would go. Any suggestions?

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• php send mail code not working

  - by anand

  php $to = "[email protected]"; $subject = "Hi!"; $body = "Hi,\n\nHow are you?"; if (mail($to, $subject, $body)) { echo("pMessage successfully sent!/p"); } else { echo("pMessage delivery failed.../p"); } wrote a basic php sendmail code that but it gives me the following error Warning: mail() [function.mail]: "sendmail_from" not set in php.ini or custom "From:" header missing in C:\xampp\htdocs\mail.php on line 5 Message delivery failed... i changed the php.ini file and put [email protected] but still the problem persists... writing the mail script for the first time Am i doing something wrong? is there a better code or way to go thru this? Any help will be appreciated Thank you

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• How to Display Validation Error Messages on an ASP.NET MVC Page?

  - by Yardstermister

  I am pretty new to ASP.NET and C# I have spent the day learning the basics of the ASP.NET Membership provider I have built all my validator but are getting stuck at outputting my error message on the page. private void LogCreateUserError(MembershipCreateStatus status, string username) { string reasonText = status.ToString(); switch (status) { case MembershipCreateStatus.DuplicateEmail: case MembershipCreateStatus.DuplicateProviderUserKey: case MembershipCreateStatus.DuplicateUserName: reasonText = "The user details you entered are already registered."; break; case MembershipCreateStatus.InvalidAnswer: case MembershipCreateStatus.InvalidEmail: case MembershipCreateStatus.InvalidProviderUserKey: case MembershipCreateStatus.InvalidQuestion: case MembershipCreateStatus.InvalidUserName: case MembershipCreateStatus.InvalidPassword: reasonText = string.Format("The {0} provided was invalid.", status.ToString().Substring(7)); break; default: reasonText = "Due to an unknown problem, we were not able to register you at this time"; break; } //CODE TO WRITE reasonText TO THE HTML PAGE ?? } What is the best way to output the varible result onto the page as I have relied upon the built in ASP:Validators until now.

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• Qt - A login dialog

  - by Narek

  I want to create a login dialog by inheriting QDialog. I put in subclass named LoginDialog 2 QLineEdits: for login for password. I want to be able to warn the user with a message if the caps lock is ON while he will start to fill passwordLineEdit. Suppose I have a function that tells the current state of CapsLock button. So I want to do eventFiltering in LoginDialog class in order to understand that user starts to fill the password field (i.e. user just stepped into the password field) So for that purpose I wrote the following in the LoginDialog class constructor: m_passwordLineEdit->installEventFilter(this); So the only thing is to do is to implement a function which can understand that user is going to fill the password. Seems is should be done with the following function(??): bool LoginDialog::eventFilter(QObject *target, QEvent *event) { if (target == m_passwordLineEdit) { } return QDialog::eventFilter(target, event); } How to implement this function???

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• SQLite table query

  - by soclose

  Hi I query the table by using this function below public Cursor getTableInfo() throws SQLException { return db.query(TableName, null, null, null, null, null, null); } I got the error "View Root.handleMessage(Message)line:1704". I could insert the data but can't query the data. I called this function below Cursor c = db.getTableInfo(); int cRow = c.getCount(); if (cRow == 0) { Toast.makeText(NewContact.this, "No Record", Toast.LENGTH_LONG).show(); } Please help me.

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• PHP reading 'get' variable that may or may not have been set

  - by thecoshman

  Simply put, if you try to read the value of a get variable, what happens if said variable had not be put into the URL. Example: you request the page test.php, in that file it tries to read the value of $_GET['message']. What happens in this case? dose the value just get returned as ''? Dose this mean, that if I am always expecting a value to be entered, and am not willing to accept a value of '' that I can just do something like $foo = $_GET['bar']; if($foo == ''){ // Handle my 'error' } else { // $foo should now have a value that I can work with } Please bare in mind I know that I could use isset($_GET['bar']) But I don't just want to know if it is set, I don't care if it is or not, I just care if it has a value that is more then just an empty string.

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• Skinning WinAPI Controls

  - by Brad

  If you've ever seen an application in the Adobe Creative Suite 5 (CS5), you may have noticed that it doesn't look like the native Windows GUI.. They have modified it to have a different look to it. Where would someone begin to make an application that has a custom skin? CS5 uses the Adobe Source library for it's widget/control management, so I tried downloading and compiling the Adobe Source Library to see if I could make a nice skinned app like Photoshop CS5, but after finally getting it to compile and tested it, I realized the library was only for managing widgets and not skinning the GUI, like CS5 has. Where would I begin to make a nice skinned program like Adobe Cs5 applications? Can anyone point me in the right direction? Do I simply use the WM_PAINT Message from WinAPI and render my own widgets using openGL or something?

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• How do you compile an OpenGL program on Ubuntu?

  - by Steve Johnson

  I'm a Ubuntu user who is interested in learning OpenGL. I found a page with some samples on it: http://www.opengl.org/resources/code/samples/glut_examples/examples/examples.html but when I try to compile the first one using: cc -o abgr abgr.c -lglut -lGLU -lGL -lXmu -lXext -lX11 -lm I get an error message saying: /usr/bin/ld: cannot find -lXmu collect2: ld returned 1 exit status What is "lXmu"? How do I get this to compile? I'm 15 years old and new to computer programming. Thanks!

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• Is this part of MVC in .NET?

  - by 4thSpace

  I have a .NET MVC winform app. I've created an AppDelegate class that handles application startup and shutdown...for now (it might do more later). Winform apps have a Program.cs file that does some app initialization, starts the message pump and creates the first form. In my app, the first form is AppDelegate, which isn't really a form but is forced that way by Application.Run(). AppDelegate does any further app initialization and starts the first Controller, which then initializes any child controllers (these then create their views). I don't consider events occuring in Program.cs and AppDelegate as part of the MVC. Conceptually, what would these be called?

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• difference in logging mechanism: API and application(python)

  - by zubin71

  I am currently writing an API and an application which uses the API. I have gotten suggestions from people stating that I should perform logging using handlers in the application and use a "logger" object for logging from the API. In light of the advice I received above, is the following implementation correct? class test: def __init__(self, verbose): self.logger = logging.getLogger("test") self.logger.setLevel(verbose) def do_something(self): # do something self.logger.log("something") # by doing this i get the error message "No handlers could be found for logger "test" The implementation i had in mind was as follows: #!/usr/bin/python """ .... .... create a logger with a handler .... .... """ myobject = test() try: myobject.do_something() except SomeError: logger.log("cant do something") Id like to get my basics strong, id be grateful for any help and suggestions for code you might recommend I look up. Thnkx!

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• jQuery: Use of undefined constant data assumed 'data'

  - by morpheous

  I am trying to use jQuery to make a synchronous AJAX post to a server, and get a JSON response back. I want to set a javascript variable msg upon successful return This is what my code looks like: $(document).ready(function(){ $('#test').click(function(){ alert('called!'); jQuery.ajax({ async: false, type: 'POST', url: 'http://www.example.com', data: 'id1=1&id2=2,&id3=3', dataType: 'json', success: function(data){ msg = data.msg; }, error: function(xrq, status, et){alert('foobar\'d!');} }); }); [Edit] I was accidentally mixing PHP and Javascript in my previous xode (now corrected). However, I now get this even more cryptic error message: uncaught exception: [Exception... "Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [nsIXMLHttpRequest.open]" nsresult: "0x80070057 (NS_ERROR_ILLEGAL_VALUE)" location: "JS frame :: http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js :: anonymous :: line 19" data: no] What the ... ?

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• Error messages for model validation using data annotations

  - by oneBelizean

  Given the follow classes: using System.ComponentModel.DataAnnotations; public class Book{ public Contact PrimaryContact{get; set;} public Contact SecondaryContact{get; set;} [Required(ErrorMessage="Book name is required")] public string Name{get; set;} } public class Contact{ [Required(ErrorMessage="Name is required")] public string Name{get; set;} } Is there a clean way I can give a distinct error message for each instance of Contact in Book using DataAnnotations? For example, if the name was missing from the PrimaryContact instance the error would read "primary contact name is required". My current solution is to create a validation service that checks the model state for field errors then remove said errors and add them back using the specific language I'd like.

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• StackExchange API key

  - by user21289

  I am working on a project with the StackExchange API, the problem is at a moment I have this Exception on eclipse console: java.io.IOException: Server returned HTTP response code: 400 for URL: https://api.stackexchange.com/2.1/questions?order=desc&sort=votes&tagged=OSM&site=stackoverflow at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) atbr.inf.pucrio.sog.StackOverflowAcessor.getQuestionsIds(StackOverflowAcessor.java:41) After verifying on the browser with the same link, I have this error message: {"error_id":502,"error_name":"throttle_violation","error_message":"too many requests from this IP, more requests available in 74089 seconds"} I am wondering if this is dur to the limited numbers of the queries per day, if it is the case, how can I do to have the key? if it is not, how can I do to resolve the problem?

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• Unable to run OpenMPI across more than two machines

  - by rcollyer

  When attempting to run the first example in the boost::mpi tutorial, I was unable to run across more than two machines. Specifically, this seemed to run fine: mpirun -hostfile hostnames -np 4 boost1 with each hostname in hostnames as <node_name> slots=2 max_slots=2. But, when I increase the number of processes to 5, it just hangs. I have decreased the number of slots/max_slots to 1 with the same result when I exceed 2 machines. On the nodes, this shows up in the job list: <user> Ss orted --daemonize -mca ess env -mca orte_ess_jobid 388497408 \ -mca orte_ess_vpid 2 -mca orte_ess_num_procs 3 -hnp-uri \ 388497408.0;tcp://<node_ip>:48823 Additionally, when I kill it, I get this message: node2- daemon did not report back when launched node3- daemon did not report back when launched The cluster is set up with the mpi and boost libs accessible on an NFS mounted drive. Am I running into a deadlock with NFS? Or, is something else going on?

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• Javascript validation for radio button

  - by Priyanka

  Hello.I am doing newsletter subscription.I have 2radio buttons-subscribe and unsubscibe and a submit button.But when I click on submit button,ajax function gets called for subscription.Now i want to do validation.I have written a javascript validation for radio buttons as below: function validate_radio() { var radio_choice = false; var radio_val = document.newsletterform.subscribe.length; for (counter = 0; counter < radio_val; counter++) { if (document.newsletterform.subscribe[counter].checked) radio_choice = true; } if (!radio_choice) { document.getElementById("mandatory").innerHTML="Select Subscribe/Unsubscribe"; return false; } } But now I am getting the validate message but at the same time i am getting subscribed. tell me a way so that i can stop the subscription being done if the function returns false.

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