dynamic
How do I check type of dynamic datatype at runtime?
Both solutions are working for me. In the documentation Smeegs linked to, the is keyword was mentioned. And I came up with a slightly more readable solution: if(value is Boolean) { } and if(value is List<Person>) { } A working test: using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApplication3348 { class Program { … Read more
Dynamically add textViews to a linearLayout
Something like the following should be what you need: final int N = 10; // total number of textviews to add final TextView[] myTextViews = new TextView[N]; // create an empty array; for (int i = 0; i < N; i++) { // create a new textview final TextView rowTextView = new TextView(this); // set … Read more
Checking to see if ViewBag has a property or not, to conditionally inject JavaScript
@if (ViewBag.Error!=null) { // Injecting JavaScript here }
What is the most performant way for dynamic styling in React-Native?
Here you can do dynamic styling in react native for each styling. Like this <Text style={styles.simpleText(‘red’)}>Required field</Text> // In styling const styles = StyleSheet.create({ simpleText: (colorProp = ‘black’) => ({ // default black set fontSize: 14, color: colorProp, }) }) and you can also pass any data type for conditional styling
Using .each on dynamic objects in jQuery?
Actually, it’s as simple as running the .each inside setTimout. setTimeout(function(){ $(“.inputs”).each(function(){$(this).val(“new-value”)}); }, 5000);
How do I dynamically generate columns in a WPF DataGrid?
Ultimately I needed to do two things: Generate the columns manually from the list of properties returned by the query Set up a DataBinding object After that the built-in data binding kicked in and worked fine and didn’t seem to have any issue getting the property values out of the ExpandoObject. <DataGrid AutoGenerateColumns=”False” ItemsSource=”{Binding Results}” … Read more
How to dynamically define a class method which will refer to a local variable outside?
Class methods don’t really exist in Ruby, they are just singleton methods of the class object. Singleton methods don’t really exist, either, they are just ordinary instance methods of the object’s singleton class. Since you already know how to define instance methods (using Module#define_method), you already know everything you need to know. You just need … Read more
Pickling dynamically generated classes?
When the Pickler encounters an object of a type it knows nothing about, it looks for a reduce method. Defining this method when you build your custom class using type should solve the problem of pickling. If you provide initial args then in addition you might need to define a getnewargs method
How to dynamically add OR operator to WHERE clause in LINQ
You can use the PredicateBuilder class: var searchPredicate = PredicateBuilder.False<Songs>(); foreach(string str in strArray) { var closureVariable = str; // See the link below for the reason searchPredicate = searchPredicate.Or(SongsVar => SongsVar.Tags.Contains(closureVariable)); } var allSongMatches = db.Songs.Where(searchPredicate); LinqToSql strange behaviour