Typically, properties need a backing field unless they are simple getter/setter “automatic properties”. So, if you’re just doing… public string Name { get; set; } // automatic property …you don’t need a field, and I agree, no reason to have one. However, if you’re doing… public string Name { get { return _name; } set … Read more
Open your PDF in Google Chrome. Edit the PDF as you want. Hit ctrl + p. Save as PDF to your desktop.
I like the underbar prefix for member fields. Mostly I like it because that way, all of my member fields are shown alphabetically before my methods in the wizard bar at the top of the screen.
Two issues you may be having issues with – the field might not be accessible normally (private), and it’s not in the class you are looking at, but somewhere up the hierarchy. Something like this would work even with those issues: public class SomeExample { public static void main(String[] args) throws Exception{ Object myObj = … Read more
(See update at end of answer.) You can get a NodeList of all of the input elements via getElementsByTagName (DOM specification, MDC, MSDN), then simply loop through it: var inputs, index; inputs = document.getElementsByTagName(‘input’); for (index = 0; index < inputs.length; ++index) { // deal with inputs[index] element. } There I’ve used it on the … Read more
Hope this is something what you are trying to do : import java.lang.reflect.Field; import java.util.HashMap; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; public class Test { private Map ttp = new HashMap(); public void test() { Field declaredField = null; try { declaredField = Test.class.getDeclaredField(“ttp”); boolean accessible = declaredField.isAccessible(); declaredField.setAccessible(true); ConcurrentHashMap<Object, Object> concHashMap = new ConcurrentHashMap<Object, Object>(); concHashMap.put(“key1”, … Read more
Here’s a complete working example: public class Person { public string Name { get; set; } } class Program { static void PropertySet(object p, string propName, object value) { Type t = p.GetType(); PropertyInfo info = t.GetProperty(propName); if (info == null) return; if (!info.CanWrite) return; info.SetValue(p, value, null); } static void PropertySetLooping(object p, string propName, … Read more
UPDATED : Text form field with a dropdown var _currencies = [ “Food”, “Transport”, “Personal”, “Shopping”, “Medical”, “Rent”, “Movie”, “Salary” ]; FormField<String>( builder: (FormFieldState<String> state) { return InputDecorator( decoration: InputDecoration( labelStyle: textStyle, errorStyle: TextStyle(color: Colors.redAccent, fontSize: 16.0), hintText: ‘Please select expense’, border: OutlineInputBorder(borderRadius: BorderRadius.circular(5.0))), isEmpty: _currentSelectedValue == ”, child: DropdownButtonHideUnderline( child: DropdownButton<String>( value: _currentSelectedValue, isDense: … Read more
The other answers are basically correct, but here’s another way to look at it: I am one of those developers that confuse events and delegate instances. In my mind, they are the same. An old saying about not seeing the forest for the trees comes to mind. The distinction that I make is that events … Read more
No, you dont have to index it again. When you specify UNIQUE KEY, the column is indexed. So it has no difference in performance with other indexed column (e.g. PRIMARY KEY) of same type. However if the type is different, there will be little performance difference.