field

问题 I want to create a table into variable something that looks like actual csv file: Length Price Code 10.05 0.78 AB89H 20 5 HB20K This is something that What I do to every function I am working with So maybe I can do it once perhaps... tree_file.readline() # skip first row for row in tree_file: field=row.strip() field=field.split(",") #make Into fields price=int(field[1]) I want a function that create a table from csv file so I can use this table for all my other function. So I don't have to

问题 I am trying to hide the year field from the date picker widget.This may look like a repeated question but the answers given for previous questions are not helping me to hide the year field.. Here goes my code:: @Override protected void onCreate(Bundle savedInstanceState) { int month = 0; int year = 0; int day = 0; OnDateSetListener datePickerListener = null; CustomDatePickerDialog dp = new CustomDatePickerDialog(getBaseContext(), android.R.style.Theme_Holo_Light_Dialog, datePickerListener,

问题 I asked this question before but I didn't get an appropriate answer. How can non-final fields be used in a anonymous class class if their value can change? class Foo{ private int i; void bar(){ i = 10 Runnable runnable = new Runnable (){ public void run (){ System.out.println(i); //works fine }//end method run }//end Runnable }//end method bar }//end class Foo If the local variables which are used inside an anonymous class must be final to enable the compiler inlining their values inside the

问题 I'm trying to reutilize code that generates FILE fields for use when something is to be added to the database, and grayed out (and disabled) with data already in the database when the item in question is being edited or viewed in detail. However, I can't seem to get the text to fill the field. I'm using this: echo '<input type="file" name="small[]" value="' . $value_from_database . '" DISABLED><br>'; Am I missing anything? If not, are there any decent workarounds? 回答1: This is not possible

问题 I have a model that holds user address. This model has to have first_name and last_name fields since one would like to set address to a recipient (like his company etc.). What I'm trying to achieve is: if the fist_name/last_name field in the address is filled - return simply that field if the fist_name/last_name field in the address is empty - fetch corrresponding field data from a foreignkey pointing to a proper django.auth.models.User I'd like this to be treated as normal django field that

问题 I have a table with 2 fields DATE and IMPORTANCE. Now I want to sort both these fields in DESCENDING ORDER so that the rows are ordered by IMPORTANCE for EACH DATE. For example, if sorted correct, rows should return like this: Dec 3, 2010 - 10 Dec 3, 2010 - 10 Dec 3, 2010 - 8 Dec 3, 2010 - 7 Dec 3, 2010 - 3 Dec 3, 2010 - 1 Dec 2, 2010 - 10 Dec 2, 2010 - 9 Dec 2, 2010 - 3 Dec 1, 2010 - 8 Dec 1, 2010 - 5 Dec 1, 2010 - 5 Dec 1, 2010 - 4 Is there an efficient way of accomplishing this with only

问题 This question already has answers here : java reflection getFields for private member| accessing object name value dynamically (2 answers) Closed 6 years ago . I am trying to get the number of fields in a particular class. However the technique I am using is not working and always returns 0: this.getClass().getFields().length; How do I get the field count of a particular class? 回答1: Use this.getClass().getDeclaredFields().length The getFields method is for accessible public fields - see

问题 I want to modified this tutorial to my requirements but there is one problem to me. I'm a beginner with jQuery and I would like to get all image sources from specifïc div and put them into field. There is a variable images which is field and contain some images but I want instead of this get all image sources from div and put them into field images . I know that isn't such a complicated but I don't really know how to do it. The source is here http://jsfiddle.net/s5V3V/36/ This is the variable

问题 I want to validate the fields of the list item while adding/editing and stop the saving operation and provide the error information what the user made on that page itself. For ex, if I want to prevent user not to leave few fields set before saving based on particular status of another field, I cannot make the field as mandatory. 回答1: Use PreSaveAction. Add a javascript function named PreSaveAction to your page (it's best if you are creating a custom List Template and can modify the aspx page

问题 I feel like I skipped a C# class or two, but here's my dilemma: I have an abstract class from which I derive multiple child classes. I know for sure that for each of the child classes I will have a constructor that needs a certain static object as a model and this object will be different for each of the child classes. My first approach was to make a public static object in the abstract parent class and then, before I start creating any instances of the child classes, I would modify it for