Your concrete Outfit class has fields and properties that define Item: public class Outfit implements Parcelable{ private List<Item> itemList = new ArrayList<>(); … public List<Item> getItemList() This means that the Firebase SDK will try to instantiate an Item, which isn’t possible due to it being abstract. Most likely you want Firebase to instantiate the right … Read more
If you use Webpack or any Angular (2+) seed project, even angular-cli, all your TypeScript code will “compiled” to ECMAScript and you can choose the version (from 5 to 7). Just open tsconfig.json. target will give a concrete version of ECMAScript you need. “compilerOptions”: { “outDir”: “./dist/out-tsc”, “baseUrl”: “src”, “sourceMap”: true, “declaration”: false, “moduleResolution”: “node”, … Read more
You need to say query = query.Where(x => x.STUDENT_LAST_NAME.StartsWith(“Lewis”)); instead of just query.Where(x => x.STUDENT_LAST_NAME.StartsWith(“Lewis”)); 2 solved LINQ ignoring where clause with method syntax [duplicate]
When you run CallMethod0, it returns a string. You need to store the result to a string variable, and then Console.Write the variable. Since you have the method call in there twice, it is running twice. In other words, change it to: public static void Main(string[] args) { Console.WriteLine(“Hello world!”); string result = CallMethod0(); // … Read more
Though the other answers supplied are effective enough, I would like to supply a thorough answer to assist at more than just the current syntactical level of C#. For example; Linq wasn’t available prior to 3.5. IS Keyword Checks if an object is compatible with a given type, or (starting with C# 7.0) tests an … Read more
a[2] = [3,4] a[2][1] = 4 # second element of the list a[2] a[a[2][1]] = a[4] = 5 Remember that in Python index starts from 0. solved Understanding python list calls
In c# assigning a value to a variable also returns a value. Usually it is the value that is assigned Here is an assignment, the current time is assigned to the now variable: DateTime now = DateTime.Now; This assignment also results in a returned value of the current time. It means you can legally write … Read more
Create a list of all the vendors in a separate place and remove duplicates. Then use this list as an array to filter for individual vendors. Then you can put the data for each vendor in a separate sheet. Here’s the code for this, assuming the data you provided above is put in the cells … Read more
If you have a column in that table, that defines an order, you could get the section numbers with subqueries fetching the count of rows with lower ordered rows with the respective level. Assuming the column defining the order is id something looking like this could be what you want. SELECT col1, convert(varchar(max), (SELECT count(*) … Read more
Obviously $songs is an array of divs. If you need just the first one, then use index: $songs[0]->getElementsByTagName(‘ul’); It would be a good idea to check if $songs array is not empty before that: if (!empty($songs)) { $songs[0]->getElementsByTagName(‘ul’); } Please note that DOMDocument::getElementsByTagName method returns DOMNodeList object which is collection-like. Thus if you want some … Read more
and is how we write conjunctions in Python, so: if msg.topic == “abc” and msg.payload == b’1′: solved Unsupported operand types for &: ‘str’ and ‘bytes’ in python [duplicate]
I assume you have a name variable in your Product class. So what you would want to do is compare the name variable to the String. Something like this: private String name; Product laptop = new Product(1, “Laptop”, “Type”, 1350.25, “black”); Product mouse = new Product(2, “Mouse”, “Type”, 50.50, “black”); String check = new String(“laptop”); … Read more
If I remember well, you can get roles in twig by doing {{ app.user && app.user.roles }} but you will get an array of roles. Hope it helps. 14 solved how to get the currently logged in role symfony?
Assuming that your list is: this_is_a_list = [‘*’, ‘I’, ‘B’, ‘M’, ‘ ‘, ‘i’, ‘s’, ‘ ‘, ‘a’, ‘ ‘, ‘t’, ‘r’, ‘a’, ‘d’, ‘e’, ‘m’, ‘a’, ‘r’, ‘k’, ‘ ‘, ‘o’, ‘f’, ‘ ‘, ‘t’, ‘h’, ‘e’, ‘ ‘, ‘I’, ‘n’, ‘t’, ‘e’, ‘r’, ‘n’, ‘a’, ‘t’, ‘i’, ‘o’, ‘n’, ‘a’, ‘l’, ‘ ‘, … Read more
Hi Sumit i dont know why there are few downvote it is because you have not informed that you are new to Java Language Please find my answer below import java.util.Collections; import java.util.LinkedList; import java.util.List; final class Product { private final String name; private final Double price; private final Double discount; Product(String name, Double price, … Read more