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  • Asp.Net MVC style routing in Django

    - by Andrew Hanson
    I've been programming in Asp.Net MVC for quite some time now and to expand a little bit beyond the .Net world I've recently began learning Python and Django. I am enjoying Django but one thing I am missing from Asp.Net MVC is the automatic routing from my urls to my controller actions. In Asp.Net MVC I can build much of my application using this single default route: routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = "" } // Parameter defaults ); In Django I've found myself adding an entry to urls.py for each view that I want to expose which leads to a lot more url patterns than I've become used to in Asp.Net MVC. Is there a way to create a single url pattern in Django that will handle "[Application]/view/[params]" in a way similar to Asp.Net MVC? Perhaps at the main web site level?

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  • How can I process command line arguments in Python?

    - by photographer
    What would be an easy expression to process command line arguments if I'm expecting anything like 001 or 999 (let's limit expectations to 001...999 range for this time), and few other arguments passed, and would like to ignore any unexpected? I understand if for example I need to find out if "debug" was passed among parameters it'll be something like that: if 'debug' in argv[1:]: print 'Will be running in debug mode.' How to find out if 009 or 575 was passed? All those are expected calls: python script.py python script.py 011 python script.py 256 debug python script.py 391 xls python script.py 999 debug pdf At this point I don't care about calls like that: python script.py 001 002 245 568 python script.py some unexpected argument python script.py 0001 python script.py 02 ...first one - because of more than one "numeric" argument; second - because of... well, unexpected arguments; third and fourth - because of non-3-digits arguments.

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  • C# MySQL Lost Connection

    - by Adam
    Hi. I have C# application and I'm using MySQL database. Everything seems to be fine except one thing. Our computer network is little bit unstable. When I'm trying to execute query and the computer simultaneously loses connection to the mysql server (I'm simulating this situation by unplugging the network cable from computer which is mysql server), the program is trying to do something for long time (tens seconds). I would like to specify something like timeout which ends the query by exception or something similar. I tried to add timeout parameters to connection string but with no effect (I've used ConnectionTimeout and DefaultCommandTimeout). Is there any other way to identify lost connection after few seconds? Thank you Adam P.S. Sorry for my english, I'm not native speaker.

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  • how to configure Postfix to send more emails per hour than the default.

    - by dina-ak
    Hello; My postfix only let me send only 3600 email in an hour ( from which i conclude that there is 1s delay between each email ) while I want to send double that number .. I looked in the postfix configuration .Is there any parameters that i can change to send more than 3600 email in an hour ? this is the output of postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases bounce_queue_lifetime = 1d command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 default_destination_concurrency_limit = 5 default_destination_rate_delay = 0s html_directory = no inet_interfaces = all inet_protocols = ipv4 initial_destination_concurrency = 2 lmtp_destination_rate_delay = 0s local_destination_rate_delay = 0s mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man maximal_queue_lifetime = 1d mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = example.com myhostname = server01.example.com myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix qmgr_message_recipient_limit = 10000 queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.5.6/README_FILES relay_destination_rate_delay = 0s sample_directory = /usr/share/doc/postfix-2.5.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_bind_address = xxx.xxx.xxx.xxx smtp_destination_rate_delay = 0s smtp_generic_maps = hash:/etc/postfix/generic smtpd_banner = $myhostname ESMTP $mail_name smtpd_client_restrictions = check_client_access hash:/etc/postfix/access unknown_local_recipient_reject_code = 550 virtual_alias_maps = hash:/etc/postfix/virtual virtual_destination_rate_delay = 0s

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  • XmlSchemaElement type

    - by user305287
    Hi, I'm generating WSDL of my web service dynamically, but when I set the XmlSchemaType of my elements, the ServiceDescriptor writes the element as an element rather than message, as I need. The code looks like this: XmlSchemaElement schemaElement = new XmlSchemaElement(); XmlSchemaComplexType complexType = new XmlSchemaComplexType(); XmlSchemaSequence sequence = new XmlSchemaSequence(); foreach (XmlSchemaComplexElementParameter param in element.Parameters) { XmlSchemaElement paramElement = new XmlSchemaElement(); paramElement.Name = param.ParameterName; paramElement.SchemaTypeName = new XmlQualifiedName(param.ParameterType, "http://www.w3.org/2001/XMLSchema"); paramElement.MaxOccurs = param.MaxOccurs; paramElement.MinOccurs = param.MinOccurs; sequence.Items.Add(paramElement); } complexType.Particle = sequence; schemaElement.Name = element.MessageName; schemaElement.SchemaType = complexType; Any ideas about this?

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  • How to implement exception chaining in PHP

    - by Josef Sábl
    Constructor for PHP's exception has third parameter, documentation says: $previous: The previous exception used for the exception chaining. But I can't make it work. My code looks like this: try { throw new Exception('Exception 1', 1001); } catch (Exception $ex) { throw new Exception('Exception 2', 1002, $ex); } I expect Exception 2 to be thrown and I expect that it will have Exception 1 attached. But all I get is: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) in ... What am I doing wrong?

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  • Using jquery to make a POST, how to properly supply 'data' parameter?

    - by user246114
    Hi, I'd like to make an ajax call as a POST, it's going to go to my servlet. I want to send parameterized data, like the following: var mydata = 'param0=some_text&param1=some_more_text'; I supply this as the 'data' parameter of my jquery ajax() call. So this should be inserted in the body of the POST, right? (I mean, not appended to my 'mysite/save' url?): $.ajax({ url: 'mysite/save', type: 'POST', data: mydata }); it appears to work correctly. In my servlet, I am just dumping all received parameters, and I see them all come through nicely: private void printParams(HttpServletRequest req) { Enumeration paramNames = req.getParameterNames(); while (paramNames.hasMoreElements()) { // print each param key/val here. } } also, I should url encode my data string manually before use, right? Like: var mydata = 'param0=' + urlencode('hi there!'); mydata += '&param1=' + urlencode('blah blah'); mydata += '%param2=' + urlencode('we get it'); Thanks!

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  • jQuery UI sortable issue with helper Y offset value being same as scroll offset on FireFox only

    - by James
    I have a problem with a jQuery UI 1.7.2 sortable list in Firefox, IE7-8 work fine. When I'm scrolled down a bit, the helper element seems to have an offset of the same height that I'm scrolled down from the mouse pointer which makes it impossible to see which item you originally started dragging. How do I fix this or work around the issue? If there is no fix what is a really good alternative drag-able plugin? Here are my initialization parameters for the sortable. $("#sortable").sortable( {placeholder: 'ui-state-highlight' } ); $("#sortable").disableSelection();

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  • InvalidAttributeValueException when using non-ascii characters in JNDI

    - by matdan
    Hi, I have some trouble using JNDI since it accepts only 7-bits encoded parameters. I am trying to change an LDAP entry using JNDI with the following code : Attribute newattr = new BasicAttribute("userpassword", password); ModificationItem[] mods = new ModificationItem[1]; mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, newattr); context.modifyAttributes("uid=anID,ou=People,o=MyOrganisation,c=com", mods); If my password contains only ascii characters, it works perfectly, but if I use a non-ascii character, like "à", I have this error message : javax.naming.directory.InvalidAttributeValueException: [LDAP: error code 19 - The value is not 7-bit clean: à]; My ldap supports those characters so I guess it comes from JNDI. Does anyone know how to fix that? Am I supposed to convert my parameter? How can I do that easily? Thanks

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  • Converting F# Quotations into LINQ Expressions

    - by forki23
    Hi, I can convert a quotation of type Expr<'a -> 'b> to a Linq expression via the following snippet: /// Converts a F# Expression to a LINQ Lambda let toLambda (exp:Expr) = let linq = exp.ToLinqExpression() :?> MethodCallExpression linq.Arguments.[0] :?> LambdaExpression /// Converts a Lambda quotation into a Linq Lamba Expression with 1 parameter let ToLinq (exp : Expr<'a -> 'b>) = let lambda = toLambda exp Expression.Lambda<Func<'a, 'b>>(lambda.Body, lambda.Parameters) Now I want to convert a quotation of type Expr<'a * 'b -> 'c> or maybe even Expr<'a -> 'b -> 'c> to a Linq Lambda Expression of type Expression<Func<'a,'b'c>>. How can I do this? Regards, forki

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  • C# out parameter value passing..

    - by Pandiya Chendur
    I am using contactsreader.dll to import my gmail contacts... One of my method has out parameter... I am doing this, Gmail gm = new Gmail(); DataTable dt = new DataTable(); string strerr; gm.GetContacts("[email protected]", "******", true, dt,strerr); // It gives invalid arguments error.. and my gmail class has, public void GetContacts(string strUserName, string strPassword,out bool boolIsOK, out DataTable dtContatct, out string strError); Am i passing the correct values for out parameters...

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  • Howto project a planar polygon on a plane in 3d-space

    - by sum1stolemyname
    I want to project my Polygon along a vector to a plane in 3d Space. I would preferably use a single transformation matrix to do this, but I don't know how to build a matrix of this kind. Given the plane's parameters (ax+by+cz+d), the world coordinates of my Polygon. As stated in the the headline, all vertices of my polygon lie in another plane. the direction vector along which to project my Polygon (currently the polygon's plane's normal vector) goal -a 4x4 transformation matrix which performs the required projection, or some insight on how to construct one myself

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  • Searching for Records

    - by 47
    I've come up with a simple search view to search for records in my app. The user just enters all parameters in the search box then all this is matched against the database, then results are returned. One of these fields is the phone number....now in the database it's stored in the format XXX-XXX-XXX. A search, for example, for "765-4321" pull up only "416-765-4321...however I want it to return both "416-765-4321" and "4167654321" My view is as below: def search(request, page_by=None): query = request.GET.get('q', '') if query: term_list = query.split(' ') q = Q(first_name__icontains=term_list[0]) | Q(last_name__icontains=term_list[0]) | Q(email_address__icontains=term_list[0]) | Q(phone_number__icontains=term_list[0]) for term in term_list[1:]: q.add((Q(first_name__icontains=term) | Q(last_name__icontains=term) | Q(email_address__icontains=term) | Q(phone_number__icontains=term)), q.connector) results = Customer.objects.filter(q).distinct() all = results.count() else: results = [] if 'page_by' in request.GET: page_by = int(request.REQUEST['page_by']) else: page_by = 50 return render_to_response('customers/customers-all.html', locals(), context_instance=RequestContext(request))

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  • dataset tables row count 'zero'

    - by James123
    I am using dataadapter.Fill() into dataset. But dataset returning tables rows count zero (0). When I ran same sp in sql mgmt. It is returning two tables data. If attributeId = 1 Then spString = "USP_group_1" ElseIf attributeId = 2 Then spString = "USP_group_2" ElseIf attributeId = 3 Then spString = "USP_group_3" End If sqlcmd_q.CommandTimeout = 120 sqlcmd_q.Connection = sqlCnn sqlcmd_q.CommandText = spString sqlcmd_q.CommandType = CommandType.StoredProcedure sqlcmd_q.Parameters.AddWithValue("@client_id", clientId) Try sqlCnn.Open() Dim daGrid As New SqlDataAdapter(sqlcmd_q) daGrid.Fill(dsGrid) daGrid.Dispose() Return dsGrid I don't understand why this happening?

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  • Subsetting a data frame in a function using another data frame as parameter

    - by lecodesportif
    I would like to submit a data frame to a function and use it to subset another data frame. This is the basic data frame: foo <- data.frame(var1= c('1', '1', '1', '2', '2', '3'), var2=c('A', 'A', 'B', 'B', 'C', 'C')) I use the following function to find out the frequencies of var2 for specified values of var1. foobar <- function(x, y, z){ a <- subset(x, (x$var1 == y)) b <- subset(a, (a$var2 == z)) n=nrow(b) return(n) } Examples: foobar(foo, 1, "A") # returns 2 foobar(foo, 1, "B") # returns 1 foobar(foo, 3, "C") # returns 1 This works. But now I want to submit a data frame of values to foobar. Instead of the above examples, I would like to submit df to foobar and get the same results as above (2, 1, 1) df <- data.frame(var1=c('1','1','3'), var2=c("A", "B", "C")) When I change foobar to accept two arguments like foobar(foo, df) and use y[, c(var1)] and y[, c(var2)] instead of the two parameters x and y it still doesn't work. Which way is there to do this?

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  • How to add animation on open of a Jquery SimpleModal?

    - by Obay
    The animation-enabled example in the SimpleModal site has this animation: 1. Fade in the overlay 2. Slide down the modal div This is the code: $("#the-div").modal({ onOpen: function (dialog) { dialog.overlay.fadeIn('fast', function () { dialog.data.hide(); dialog.container.show('fast', function () { dialog.data.slideDown('fast'); }); }); }}); I want this animation instead: 1. Just display the modal 2. Fade in the overlay Alas, simply removing the 2nd parameter of dialog.overlay.fadeIn() from the code above doesn't work. I also tried removing the parameters of dialog.container.show(), also changing it to dialog.container.open(). I've tried other combinations of the code, to no avail. How do I achieve the animation that I wish?

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  • Command$ value disappears

    - by AngryHacker
    I have a VB6 app. I am trying to figure out what command line parameters got passed into the application. If I type in ? Command$ into the Immediate window, it prints out the command line params fine. Same, if I place Command$ into the Watch window. However, if I assign the Command$ function to a string: Dim s as string s = Command$ the s variable will be empty. What am I missing here? I should mention that the code in question is located not in the main form, but in a DLL 2 levels down (e.g. the form calls DLL1, then DLL1 calls DLL2).

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  • How to create a container that holds different types of function pointers in C++?

    - by Alex
    I'm doing a linear genetic programming project, where programs are bred and evolved by means of natural evolution mechanisms. Their "DNA" is basically a container (I've used arrays and vectors successfully) which contain function pointers to a set of functions available. Now, for simple problems, such as mathematical problems, I could use one type-defined function pointer which could point to functions that all return a double and all take as parameters two doubles. Unfortunately this is not very practical. I need to be able to have a container which can have different sorts of function pointers, say a function pointer to a function which takes no arguments, or a function which takes one argument, or a function which returns something, etc (you get the idea)... Is there any way to do this using any kind of container ? Could I do that using a container which contains polymorphic classes, which in their turn have various kinds of function pointers? I hope someone can direct me towards a solution because redesigning everything I've done so far is going to be painful.

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  • NetDataContractSerialization throwing deserialization error

    - by htanias
    hi, I have methods which return interface and some methods which accepts interface as parameters. I am trying to use Net DataContractSerializer but I am getting following error... The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:id. The InnerException message was 'Error in line 1 position 120. XML 'Element' 'http://tempuri.org/:id' does not contain expected attribute 'http://schemas.microsoft.com/2003/10/Serialization/:Type'. The deserializer has no knowledge of which type to deserialize. Check that the type being serialized has the same contract as the type being deserialized.'. Please see InnerException for more details. Please help me how to resolve this error.... If I use Netdatacontract attribute on Operation Contract, can i use DataContract and Datamember attribute on serializable class??? Thanks in advance...

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  • How to create templates in JSTL JSP

    - by desau
    Say I have a JSP page with JSTL. I'm using c:forEach and looping over 5 different sets of objects, each very similar. Each loop is nearly identical.. lots of duplicated code. I'd like to make that loop a template -- such as a JSP template, but I want to pass the JSTL object(s) in the parameters. How can I do this? Or a more general question -- how can I create reusable HTML templates in JSP/JSTL?

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  • Best approach for building a multiplattform graphical interface for a command-line application

    - by Werner
    Hi, I developed a command line application, whose binary runs in Linux, Windows and Mac OSX. It reads some text input files, but I realize that some special users can not handle this. I would then like to build some kind of graphical interface, where the user only finds buttons and scroll bars for selecting the input parameters, a big "run" button, and then it reads the output of the program and makes some figures. I also need that everything gets finally packed in a single file, which uses only static libraries, so the user just needs to copy the file to his/her machine and run it. I would like to know what is the best open source and multi-platform approach to do this. 10 years ago I played a bit with something similar on DEC machines, so I guess that nowadays the situation has probably improved a bit. P.S. For designing the graphical interface, I am looking for a graphical approach, where you add buttons, scroll bars with the mouse P.S. 2: the interface is really simple, just need less than 10 buttons, 5 text fields and 2 scrolla bars Thanks

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  • how iterate over class members java (app-engine)

    - by Alexandre H. Tremblay
    Hello, I am using the java version of the google app engine. I would like to create a function that can receive as parameters many types of objects. I would like to print out the members of the object. Each objects may be different and the function must work for all objects. Do I have to use reflection - if so, what kind of code do I need to write? public class dataOrganization { private String name; private String contact; private PostalAddress address; public dataOrganization(){} } public int getObject(Object obj){ // This function prints out the name of every // member of the object, the type and the value // In this example, it would print out "name - String - null", // "contact - String - null" and "address - PostalAddress - null" } How would I write the function getObject?

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  • Failed to Kill Process in SQL 2008

    - by Andrea.Ko
    I have a process with the following information, and i execute the kill process to kill this id, and it return me "Only user processes can be killed." SPID:11 Status:BACKGROUND Login:sa HostName: . BlkBy: . DBName: SAFEMIG Command:CHECKPOINT Normally, all the session to login to this server, it should have a HostName which display our PC name, but this connection is with a dot, so not sure who is executing what process that have this connection. I execute "dbcc inputbuffer(11)" It return me"EventType= No Event, Parameters = 0 and EventInfo=Null" Appreciate for any help\advice on this problem!

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  • .NET and Closing MSSQL connections

    - by user307076
    I am having a hard time figuring out why the following constructor will not close connnections. When I view the active connections. Here is the code that I have. Public Sub New(ByVal UserID As Integer) Dim oConn As New SqlConnection(ConfigurationManager.ConnectionStrings("connStr").ToString()) Dim cmd As New SqlCommand("stored proc", oConn) Dim sdr As SqlDataReader cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.AddWithValue("@userID", UserID) oConn.Open() sdr = cmd.ExecuteReader() Try If Not sdr.HasRows Then sdr.Close() If Not oConn Is Nothing Then If oConn.State <> ConnectionState.Closed Then oConn.Close() End If End If cmd.Dispose() Exit Sub End If 'User has account in WATS, proceed to load account information While sdr.Read _firstname = Convert.ToString(sdr("First Name")) _lastname = Convert.ToString(sdr("Last Name")) End While Catch ex As Exception 'Throw New Exception("User Error: " + ex.Message) Finally sdr.Close() If Not oConn Is Nothing Then If oConn.State <> ConnectionState.Closed Then oConn.Close() End If End If cmd.Dispose() End Try End Sub

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  • Is it safe to lock a static variable in a non-static class?

    - by Dario Solera
    I've got a class that manages a shared resource. Now, since access to the resource depends on many parameters, this class is instantiated and disposed several times during the normal execution of the program. The shared resource does not support concurrency, so some kind of locking is needed. The first thing that came into my mind is having a static instance in the class, and acquire locks on it, like this: // This thing is static! static readonly object MyLock = new object(); // This thing is NOT static! MyResource _resource = ...; public DoSomeWork() { lock(MyLock) { _resource.Access(); } } Does that make sense, or would you use another approach?

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