[Solved] dynamically add column to model and show relevant field to add, edit and delete the field data in view asp.net mvc enityframework?

You cannot “dynamically” add a column to a table per row. If the user could add a column, then that column would be added to the table in general, and every row in that table would have it. Even if this was possible, it would require granting your application admin rights on your database, which … Read more

[Solved] What are the best option for a pager when building on Rails? [closed]

You can copy kaminari’s views into your app/views and edit _paginator partial. For example, change this: == paginator.render do nav.pagination = first_page_tag unless current_page.first? – each_page do |page| – if page.left_outer? || page.right_outer? || page.inside_window? == page_tag page – elsif !page.was_truncated? == gap_tag = last_page_tag unless current_page.last? to that: == paginator.render do nav.pagination = prev_page_tag … Read more

[Solved] What is # on Ruby on Rails?

@name represents an array of single object of Quest model. To get the id of that object, use <p><%= @name.first.id %></p> or change your controller code to @name = Quest.where(category: ‘cat1’).sample and then do <p><%= @name.id %></p> solved What is # on Ruby on Rails?

[Solved] How do I print out this string from within my class? [closed]

You can use operator-overloading and friend function. Also you will need to create an object of type ColorPicker because Color is instance variable. Note: Since Color is of string type hence, keep it as 1D array. Following is working code. You can see it working here: #include <iostream> #include <string> using namespace std; class ColorPicker … Read more

[Solved] GOOGLE SEARCH FROM TEXTVIEW IN ANDROID STUDIO 2.3.3

Let me get this straight. You want someone to use your app, type in a EditText, and when they click a button, it takes them to a browser and searches for the words they typed in? XML <TextView android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:text=”Hello World!” android:textSize=”50dp” android:id=”@+id/textView” app:layout_constraintBottom_toBottomOf=”parent” app:layout_constraintLeft_toLeftOf=”parent” app:layout_constraintRight_toRightOf=”parent” app:layout_constraintTop_toTopOf=”parent” /> Java public class MainActivity extends AppCompatActivity … Read more

[Solved] How to display data in MYSQLI using OOP in PHP .

To use PDO is apparently the best way to display data from MySQL database using OOP in PHP $stmt = $Connection->prepare(“SELECT * FROM countries WHERE name = ?”); $stmt->execute([“name_for_search”]); $data = $stmt->fetchAll(); solved How to display data in MYSQLI using OOP in PHP .

[Solved] Remove the extra and not allowed characters from the ruby line

Here is my try as what I could understand from your question (Let me go through with your each sentences). Your string: s = “ggSuQNs6TxOTuQDd0j+4sA==$QO/Mq2jwfe3jgsGGoIGmlg==” Step-1 I need to transform it to “ggSuQNs6TxOTuQDd0j4sAQOMq2jwfe3jgsGGoIGmlg” (Only letters and numbers). only characters and digits: > transform_string = s.tr(‘^A-Za-z0-9’, ”) #=> “ggSuQNs6TxOTuQDd0j4sAQOMq2jwfe3jgsGGoIGmlg” Step -2 Then trim it to 13 … Read more

[Solved] c++ removing whitespace fails by using iterators

Not only the commented line, but another will also fail if there is space in the begin of string. First line fail (to compile) because string::find_first_not_of return size_t. And construct string from two size just make no sense. Second line may fail because string::substr accept length (not end) as it’s second parameter. 1 solved c++ … Read more

[Solved] remove blank lines using java code [closed]

Here is a minimal answer that should resolve your problem. I did reduce the code to the necessary parts since I needed to test it myself and I didn’t have access to classes you used. You should make the code in the question as minimal as possible when asking a question, so it is easier … Read more