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• How to render a text box instead of a select box when using model form set

  - by iHeartDucks

  Hi, When I render my formset, one of the field renders as a select box because it is a foreign field in the model. Is there a way to change this to a text input? I want to populate that field by using Ajax auto complete. Adding a widget to the modelform is not working because the modelformset_factory takes a model and not a model form.

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• Screening (multi)collinearity in a reggresion model

  - by aL3xa

  I hope that this one is not going to be "ask-and-answer" question... here goes: (multi)collinearity refers to extremely high correlations between predictors in the regression model. How to cure them... well, sometimes you don't need to "cure" collinearity, since it doesn't affect regression model itself, but interpretation of an effect of individual predictors. One way to spot collinearity is to put each predictor as a dependent variable, and other predictors as independent variables, determine R2, and if it's larger than .9 (or .95), we can consider predictor redundant. This is one "method"... what about other approaches? Some of them are time consuming, like excluding predictors from model and watching for b-coefficient changes - they should be noticeably different. Of course, we must always bare in mind specific context/goal of analysis... Sometimes, only remedy is to repeat a research, but right now, I'm interested in various ways of screening redundant predictors when (multi)collinearity occurs in a regression model.

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• Drupal Exposed Views Filter custom date

  - by Jack

  I have a date filter that I have exposed on my view. I want to make the interface more user friendly and tighten up the look of it. Instead of selecting a date I would like to select from the following options. The last day The last week The last year All This would then filter on the date field. Is this possible? How would you go about doing this?

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• How to configure a has_many association with non-ActiveRecord model

  - by Callmeed

  My Rails app has a normal ActiveRecord "Account" model stored in the database. The model will store the URL to a remote XML file which defines some other objects. For example, the Account has_many :galleries but the Gallery model is simply defined by nodes in the XML document. So how do I get /accounts/1/galleries to show the galleries from that account's XML? How do I setup this relationship? I know how to do basic non-AR models, but I'm not sure how to define the association or if I need to create a Gallery model at all.

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• File modified date/time changes when uploaded via FTP

  - by Nate Shoffner

  Hey /g/, FTP/PHP question here. On one of my pages I load .txt files from a directory. Pretty simple. I also display the modified date of the text file using this: date('m/d/Y', filemtime($file)); This works fine on my WAMP server but when I upload the files via FTP, the modified date is changed to when they were uploaded. I'm currently hosting on a free hosting provider (freehostia to be exact). Is there any way to keep the modified date/time from changing when it's uploaded? Or is there perhaps an alternative way to go about this? Any ideas are appreciated.

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• how to insert based on the date

  - by Gaolai Peng

  I have a table table1 (account, last_contact_date, insert_date), account and last_contact_date are primary keys. The insert_date is set with the time the recored being added by calling getdate(). I also have a temporary table #temp(account, last_contact_date) which I use to update the table1. Here are sample data: table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 #temp account last_contact_date 1 2012-09-27 2 2012-09-27 3 2012-08-01 The result table depends on the inserting date. If the date is 2012-09-28, the result will be table1 account last_contact_date insert_date 1 2012-09-27 2012-09-28 2 2012-09-27 2012-09-28 3 2012-09-01 2012-09-28 If the date is 2012-09-29, the result will be table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 1 2012-09-27 2012-09-29 2 2012-09-27 2012-09-29 Basically the rule is (1) if the inserting date is the same day, i will pick the lastest last_contact_date, otherwise, (2) if the last_contact_date is later than the current last_contact_date, I will insert a new one. How do I write a query for this insert?

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• Comparing date in access database

  - by Simon

  How can i compare the day in the access database to a given day in c#? The date column in the database is an general date(day/month/year) try { database = new OleDbConnection(connectionString); database.Open(); date = DateTime.Now.ToShortDateString(); string queryString = "SELECT user_name,zivila.naziv " + "FROM (users LEFT JOIN obroki_save ON obroki_save.ID_uporabnika=users.ID)" + " LEFT JOIN zivila ON zivila.ID=obroki_save.ID_zivila " + " WHERE users.ID= " + a.ToString() + " AND obroki_save.datum=# " + date; loadDataGrid(queryString); } catch (Exception ex) { MessageBox.Show(ex.Message); return; }

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• DDSteps date question.

  - by Srini

  DDStep Date Question: Currently trying to pass just the date from excel. But getting the below error while doing it. Failed to convert property value of type [java.lang.String] to required type [java.util.Date] for property ...no matching editors or conversion strategy found spring for date conversion I even tried to add customEditorConfigurer in the ddsteps-context file. Still getting error. But in their pet store example looks like it works fine. Any help is appreciated. <entry key="java.util.Date"> <bean class="org.springframework.beans.propertyeditors.CustomDateEditor"> <constructor-arg> <bean class="java.text.SimpleDateFormat"> <constructor-arg value="yyyy-MM-dd" /> </bean> </constructor-arg> <constructor-arg value="false" /> </bean> </entry>

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• How to find browser date time format

  - by Ranjeet

  Hi All, I have date as 31.03.2010 in german ofcourse 31 is date,03 is month and 2010 is year. Now I want to display the date as per the selected datetime format for the browser, say is user has german for him I would display 31.03.2010 whereas for English I would display 03/31/2010. Any Idea how this can be done?

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• Initialize child models at model creation

  - by Antoine

  I have a model Entree which belongs to a model Vin, which itself belongs to a model Producteur. On the form for Entree creation/edition, I want to allow the user to define the attributes for parent Vin and Producteur to create them, or retrieve them if they exist (retrieval based on user input). For now I do the following in Entree new and edit actions: @entree = Entree.new @entree.vin = Vin.new @entree.vin.producteur = Producteur.new and use fields_for helper in the form,and that works. But I intend to have much more dependencies with more models, so I want to keep it DRY. I defined a after_initialize callback in Vin model which does the producteur initialization: class Vin < ActiveRecord::Base after_initialize :vin_setup def vin_setup producteur = Producteur.new end end and remove the producteur.new from the controller. However, get an error on new action: undefined method `model_name' for NilClass:Class for the line in the form that says <%= fields_for @entree.vin.producteur do |producteur| %> I guess that means the after_initialize callback doesn't act as I expect it. Is there something I'm missing? Also, I get the same error if I define a after_initialize method in the Vin model instead of definiing a callback.

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• saving date and time

  - by saeed talaee

  I want to save the time and date within my news but in the method below I save the time of the user and if his/her time is wrong, the wrong time will be save. How can I use the server's time instead. SqlConnection sqlconn = new SqlConnection(connStr); SqlCommand sqlcmd = new SqlCommand("insert into SubmitManuscript(username,title,authors,type,date,upload,reviewer1,email1,reviewer2,email2,reviewer3,email3)values(@username,@title,@authors,@type,@date,@upload,@reviewer1,@email1,@reviewer2,@email2,@reviewer3,@email3)", sqlconn); sqlcmd.Parameters.AddWithValue("@username", username); sqlcmd.Parameters.AddWithValue("@title", Text_Title.Text); sqlcmd.Parameters.AddWithValue("@authors", Text_Author.Text); sqlcmd.Parameters.AddWithValue("@type", dd_Type.SelectedItem.Text); sqlcmd.Parameters.AddWithValue("@date", DateTime.Now); //sqlcmd.Parameters.AddWithValue("@upload", "~/Suppelment/" +

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• C# Dynamic Query Without A Database Model

  - by hitopp

  I have been searching the web for a solution to dynamic queries. I have found many different solutions (e.g. Linq to Sql, Dynamic Linq Expressions, Dynamic Query), but all of these solutions involve some sort of previous knowledge of the database (like a model in code). Maybe what I am asking is way off the deep end, but is there any possible way to dynamically query a database without a model? For example, a database has a Customers table with the following columns: CustomerID Name FavoriteColor I want to create a query as SELECT Name FROM Customers WHERE @0 = @1, where the two placeholders are populated dynamically. The resulting data does not tie to a model class and I would prefer to use some sort of framework to build the queries, not simple string concatenation. The System.Linq.Dynamic namespace came really close to fulfilling this request, but it uses a database model. I realize this is crazy, but I was just curious.

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• Need a help to get the exact format that accept by java script date format the date value returning

  - by ricky roy

  Hi, Any one help to to get the extract value from the java script date time utc format. I am using a C# web method which is returning a date and i have to set that date with Timezone. Thanks

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• getting posted values in model class in symfony

  - by THOmas

  How i can pass values from action class to model class

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• MSSQL - select date field in table

  - by thegunner

  Hi, In my table I have a date column which the date is displayed in the format "2009-11-18 10:55:28.370" How can just get the date value of this field in a select statement. e.g. select id from risks, where creation_date = getdate()

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• What is the best way to findout whether a date falls in particular range?

  - by Amit

  I tried the following DateTime start = Convert.ToDateTime(TextBox1.Text); DateTime end = Convert.ToDateTime(TextBox2.Text); if (DateTime.Now.Date == start.Date || DateTime.Now.Date == end.Date || (DateTime.Now >= start.Date && DateTime.Now <= end.Date)) { lblResult.Text = "true"; } else { lblResult.Text = "false"; } This verifies if the date range is one day also. Any way to reduce the number of conditions above?

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• django model relation definition

  - by Laurent Luce

  Hello, Let say I have 3 models: A, B and C with the following relations. A can have many B and many C. B can have many C Is the following correct: class A(models.Model): ... class B(models.Model): ... a = ForeignKey(A) class C(models.Model): ... a = ForeignKey(A) b = ForeignKey(B)

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• Compare Date objects with different levels of precision

  - by brainimus

  I have a JUnit test that fails because the milliseconds are different. In this case I don't care about the milliseconds. How can I change the precision of the assert to ignore milliseconds (or any precision I would like it set to)? Example of a failing assert that I would like to pass: Date dateOne = new Date(); dateOne.setTime(61202516585000L); Date dateTwo = new Date(); dateTwo.setTime(61202516585123L); assertEquals(dateOne, dateTwo);

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• Convert date to gmt - php

  - by adbox

  Hey Guys, I am having a strange problem, maybe you can help: I'm trying to convert a date to GMT time, and this is what I'm doing: $date = '2010-05-27 23:02:01'; $gmt_date = gmdate('Y-m-d H:i:s', $date ); but the yield of $gmt_date is this: 1970-01-01 00:33:31 What am I doing wrong?

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• Custom OData operation / customize EF model to hide join table in many-to-many relationship

  - by AC

  I've got a data model that has two tables with a join table for a many to many relationship & creating an OData service to expose the data for CRUD ops in a Silverlight app. What I'd like to do is abstract the join table from the service. I'm not sure if the best way to do this would be in the model (using EF in .NET3.5SP1) or if I should do it with a custom service operation. If I do it in the EF model (not sure how I'd do this), then the OOTB WCF Data Service stuff would make it easy to say [..]/Courses(1)/Modules ... otherwise I'd have to create a custom operation to do this. Is it possible to do this in the EF model and if so, how does that work?

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• insert a date in mysql database

  - by kawtousse

  I use a jquery datepicker then i read it in my servlet like that: String dateimput=request.getParameter("datepicker");//1 then parse it like that: System.out.println("datepicker:" +dateimput); DateFormat df = new SimpleDateFormat("MM/dd/yyyy"); java.util.Date dt = null; try { dt = df.parse(dateimput); System.out.println("date imput parssé1 est:" +dt); System.out.println("date imput parsée2 est:" +df.format(dt)); } catch (ParseException e) { e.printStackTrace(); } and insert query like that: String query = "Insert into dailytimesheet(trackingDate,activity,projectCode) values ("+df.format(dt)+", \""+activity+"\" ,\""+projet+"\")"; it pass successfully untill now but if i check the record inserted i found the date: 01/01/0001 00:00:00 l've tried to fix it but it still a mess for me.

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• Saving a 'Date' using DataMapper on AppEngine+JRuby

  - by Ryan Montgomery

  I have a a model as follows: class Total include DataMapper::Resource property :id, Serial property :amount, Float, :default => 0.00 property :day, Date belongs_to :calendar end I am trying to select a specific Total from the data-store. class Calendar include DataMapper::Resource property :id, Serial property :name, String has n, :totals def get_total_for(date) return Total.first(:day => date, :calendar => self) end end When I call get_total_for(DateTime.now) I receive the following error on the call to the data-store. java.lang.IllegalArgumentException: day: org.jruby.RubyObject is not a supported property type. Is Date not allowed for usage in AppEngine? Is this a DataMapper issue? I have tried changing the name of the :day property to something else (hoping it was just a name conflict) but it doesn't seem to matter. Thanks for any help you can provide.

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• Asp.Net MVC Handle Drop Down Boxes that are not part of the Model

  - by Pino

  I have a small form which the user must fill in and consists of the following fields. Name (Text) Value (Text) Group (Group - Is a list of option pulled from a database table) Now the Model for this View looks like so, public string Name { get; set; } public string Value { get; set; } public int GroupID { get; set; } Now the view is Strongly Typed to the above model. What method would one use to populate the drop down list? Since the data is not contained within the Model (It could be contained in the Model) should we be using Temp/View data? A HTML Helper? What would be the ideal way to achieve this.

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• Jquery date format

  - by Yashwant Chavan

  Hi, I want to validate my date field in "mm-dd-yyyy" format using jquery date validation plugin. Thanks

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• angularjs model view update through angular directive

  - by Relicset

  I am trying to update my view using model in angular directive here is the directive I have created app.directive('aboutOptions', [function() { return { restrict: 'C', scope: { testing: '=' }, transclude: true, link: function(scope, elem, attr) { scope.$watch(attr.ngModel, function() { console.log(scope.$eval(attr.ngModel)); scope.testing = scope.$eval(attr.ngModel); }); } } }]); here is html model and file name is ab.html <input type="text" class="about-options" ng-model="testing" /> Here is the view to be updated and file name is show.html <h2 class="about-options">{{testing}}</h2> ab.html file will be loaded as a template inside jquery ui dialog and my show.html file is in main page If I remove scope: { testing: '=' }, Console is showing what I am typing Update - 1 Tried with the following changes testing: '=test' And in html <input type="text" class="about-options" ng-model="testing" /> <h2 class="about-options">{{test}}</h2>

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