python – How to remove dataframe rows with empty objects

Here is a way to do what your question asks based on the annotation column which contains values ‚Äč‚Äčthat look like lists but are actually strings: df = df[df.annotation.apply(eval).str.len() > 0] Column annotation from sample input (taken from df.head(15) in your question): annotation 0 [‘dad with recent heart attcak’] 1 [‘mom with “thyroid disease’] 2 … Read more

c# – Send objects to UserControl

I am trying to send objects to an UserControlbut I cannot figure what’s wrong? Here is my UserControl : namespace VSTEEL.UserControls { /// <summary> /// Interaction logic for UserControlListOperations.xaml /// </summary> public partial class UserControlListOperations : UserControl,INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; public void NotifyPropertyChanged(string nomPropriete) { if (PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(nomPropriete)); } … Read more

python – How to manage the same frame like 2 different objects importing it from the same file

My goal is to have stored in file one “Frame_Model.py”, importing it from “Main_Manager.py” and to use it multiple times as many times I need and use they like different objects storing for eachone their own variables some shared and other not shared, without loosing it after self.Destroy(). The reason is because my “Main_Manager.py” is … Read more

java – Problem whet embedded objects: Unable to find column with logical name

I have two tables in a MySQL Database. One is named documento_tributario_electronico and the other is named detalle. The documento_Tributario_electronico table is: CREATE TABLE `documento_tributario_electronico` ( `tipo_documento` INT(11) NOT NULL, `numero` BIGINT(20) NOT NULL, `fecha_emision` DATE NOT NULL DEFAULT ‘curdate()’, `indicador_no_rebaja` INT(11) NULL DEFAULT NULL, `tipo_despacho` INT(11) NULL DEFAULT NULL, `indicador_traslado` INT(11) NULL DEFAULT NULL, … Read more

javascript – How can I access and process nested objects, arrays or JSON?

Preliminaries JavaScript has only one data type which can contain multiple values: Object. An Array is a special form of object. (Plain) Objects have the form {key: value, key: value, …} Arrays have the form [value, value, …] Both arrays and objects expose a key -> value structure. Keys in an array must be numeric, … Read more

c# – Generic Method to Flatten a Collection of Nested Objects into a DataTable?

If you’re only working with one type of business object (in this case, Customer), then I recommend @Huntbook’s answer, as that s simplifies this problem. That said, if you truly need for this to be a generic method because eg, you’ll be handling a variety of different business objects (ie, not exclusively Customer), then you … Read more

What are hashable objects? – Python Morsels

By Trey Hunner Watch as video 03:25 What are hashable objects? Sets items must be hashable The elements in a set must be hashable. Strings and numbers are hashable: >>> colors = {“pink”, “blue”, “green”, “purple”} >>> choices = {10, 20, 30, 40} Tuples of strings and numbers are also hashable: >>> coordinates = {(0, … Read more