field Questions

4

I have this model: class Invoice(models.Model): owner = models.ForeignKey(settings.AUTH_USER_MODEL) data = models.TextField(default=None, blank=True, null=True) number = models.PositiveIntegerF...
Dupuy asked 25/11, 2015 at 17:8

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I'm new to ES and I'm trying to build a query that would use phrase_prefix for multiple fields so I dont have to search more than once. Here's what I've got so far: { "query" : { "text" : { ...
Thuythuya asked 10/7, 2013 at 5:23

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Hi all I need a required field validator for my textbox..This is my textbox.. <asp:TextBox ID="txtTimeSlotGroupName" runat="server" AutoPostBack="false" ClientIDMode="Static"></asp:Text...
Adolescent asked 25/4, 2013 at 5:31

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I am in a mobile app and I use an input field in order user submit a number. When I go back and return to the page that input field present the latest number input displayed at the input field. I...
Marmara asked 10/2, 2012 at 23:33

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How can I add a new field to every document in an existent collection? I know how to update an existing document's field but not how to add a new field to every document in a collection. How can I...
Mahican asked 10/10, 2011 at 14:25

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We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world. But there are many tim...
Graphic asked 25/7, 2009 at 1:4

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I'm trying to create a Bootstrap modal which contains an instance of CKEditor, but there are a lot of problems... So basically the fields are left unenabled, they don't look like, but I can't inte...
Wrong asked 20/1, 2013 at 0:5

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I am using awk to perform counting the sum of one column in the csv file. The data format is something like: id, name, value 1, foo, 17 2, bar, 76 3, "I am the, question", 99 I was using this aw...
Sulemasulf asked 29/6, 2010 at 6:35

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The data type of the field is String. I would like to fetch the data where character length of field name is greater than 40. I tried these queries but returning error. 1. db.usercollection.find...
Shakiashaking asked 11/4, 2015 at 12:10

2

I am translator in company and often we have problem to understand the difference between the terms "data member" and "field". Could you please describe what they are and how th...
Flirt asked 14/12, 2023 at 10:55

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In MySql's interpreter, it's very easy to dump a table to the screen along with its field names. There seems to be no simple way to export a table to a tab-delimted or CSV outfile including its c...
Xuanxunit asked 4/11, 2008 at 18:51

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I am trying to understand how to assign by "reference" to a class field in C#. I have the following example to consider: public class X { public X() { string example = "X"...
Croesus asked 5/6, 2010 at 13:11

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If I specify @AllArgsConstructor using Lombok, it will generate a constructor for setting all the declared (not final, not static) fields. Is it possible to omit some field and this leave generate...
Mecke asked 20/5, 2014 at 13:30

8

I am still new to Flutter. Is there an example of a material dropdown list text field? I saw the example on Material Text Field but I didn't find anywhere in the documentation on how to implement t...
Corr asked 11/4, 2018 at 17:7

4

This class raises a systems check django error. The specific error it raises is as pasted below. I have looked through previous posts that suggest it was an error that resulted from migrating to dj...
Sharisharia asked 7/11, 2018 at 1:23

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I have a model with a boolean value like that: class TagCat(models.Model): by_admin = models.BooleanField(default=True) This appears as a checkbox in admin. How could I use this as a radio ...
Chefoo asked 2/12, 2010 at 16:29

6

As part of my homework I have been given an already prepared public static void main method. My job is to supplement this by creating all the methods relevant for this. This should be done in three...
Potentiality asked 9/10, 2011 at 12:18

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I am wondering, since a lot of things can be done using reflection, can I change a private readonly field after the constructor completed its execution? (note: just curiosity) public class Foo { ...
Onetime asked 1/6, 2009 at 13:56

1

So, I want to unset a few billing fields depending on shipping method, however it doesn't work unless I reload the whole checkout page. How to reload the billing fields using AJAX? /* * Remove f...
Pentatomic asked 14/3, 2019 at 10:4

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I am trying to change order status in WooCommerce, but I encountered no luck so far. $order instance is created successfully (I know it because echo $order->status; works fine, $order_id is also...
Bicker asked 8/4, 2014 at 11:17

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Is there a simpler function to something like this: if (isset($_POST['Submit'])) { if ($_POST['login'] == "" || $_POST['password'] == "" || $_POST['confirm'] == "" || $_POST['name'] == "" || $_PO...
Airt asked 6/7, 2010 at 21:42

8

I looked through the MongoDB documentation and googled this question but couldn't really find a suitable answer. So, here is what I'm looking for. Assume I have a collection with elements like thi...
Nubble asked 22/7, 2011 at 13:38

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Models from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column, ForeignKey from sqlalchemy import Integer from sqlalchemy import Unicode from sqlalchemy import TIMEST...
Xiphoid asked 25/3, 2012 at 16:45

3

You know how you can have a property that automatically generates a backing field? Like if I go: public String SomeProperty {get; set;} I know that if I want to add code to that property I have...
Zenda asked 24/7, 2013 at 4:8

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Here's the table Users UserId UserName Password EmailAddress and the code.. public void ChangePassword(int userId, string password){ //code to update the password.. }
Mausoleum asked 4/9, 2010 at 12:56

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