Tutorial by Examples: not

For example if the input is: Output should be false: As 4 in the left sub-tree is greater than the root value(3) If the input is: Output should be true

For example if the inputs are: Example:1 a) b) Output should be true. Example:2 If the inputs are: a) b) Output should be false. Pseudo code for the same: boolean sameTree(node root1, node root2){ if(root1 == NULL && root2 == NULL) return true; if(root1 == NULL ...

Here is a simple example of how to use Bokeh in Jupyter Notebook: import numpy as np from bokeh.plotting import figure # Make Bokeh Push push output to Jupyter Notebook. from bokeh.io import push_notebook, show, output_notebook from bokeh.resources import INLINE output_notebook(resources=INLIN...

Why do I want to reference a folder? In the next part I will show you how to access emails within a referenced folder. Here I will show you how to move a folder. I created a folder named “Test” within my Inbox. In TestMoveFolder(), I replaced “A” with the name of the store containing my Inbox. ...

You can create you own Scala annotations by creating classes derived from scala.annotation.StaticAnnotation or scala.annotation.ClassfileAnnotation package animals // Create Annotation `Mammal` class Mammal(indigenous:String) extends scala.annotation.StaticAnnotation // Annotate class Platypus...

Incorrect code Sub DoSomething() Dim foo As Collection With foo .Add "ABC" .Add "XYZ" End With End Sub Why doesn't this work? Object variables hold a reference, and references need to be set using the Set keyword. This error occurs whenever ...

Django 1.9 added the Field.disabled attribute: The disabled boolean argument, when set to True, disables a form field using the disabled HTML attribute so that it won’t be editable by users. Even if a user tampers with the field’s value submitted to the server, it will be ignored in favor of t...

New Java programmers often forget, or fail to fully comprehend, that the Java String class is immutable. This leads to problems like the one in the following example: public class Shout { public static void main(String[] args) { for (String s : args) { s.toUpperCase(); ...

import javax.inject.Singleton; import dagger.Module; import dagger.Provides; @Module public class VehicleModule { @Provides @Singleton Motor provideMotor(){ return new Motor(); } @Provides @Singleton Vehicle provideVehicle(){ return new Vehicle(...

UILabel, UITextField, & UITextView classes have a new property starting from iOS 10 for automatically resizing their font when a user changes their preferred reading size named adjustsFontForContentSizeCategory. Swift @IBOutlet var label:UILabel! if #available(iOS 10.0, *) { label.adju...

Basic Idea The notation used when describing the speed of your Python program is called Big-O notation. Let's say you have a function: def list_check(to_check, the_list): for item in the_list: if to_check == item: return True return False This is a simple function ...

There are certain principles that apply to optimization in any computer language, and Python is no exception. Don't optimize as you go: Write your program without regard to possible optimizations, concentrating instead on making sure that the code is clean, correct, and understandable. If it's too...

If you do not only wish to display static objects, but have your UI respond to changes to correlating objects, you need to understand the basics of the INotifyPropertyChanged interface. Assuming we have our MainWindowdefined as <Window x:Class="Application.MainWindow" xmlns=&quot...

Let's assume you have a ListView wich is supposed to display every User object listed under the Users Property of the ViewModel where Properties of the User object can get updated programatically. <ListView ItemsSource="{Binding Path=Users}" > <ListView.ItemTemplate> ...

This is an official MATLAB example Consider the following code: month = [1;1;2;3;8;1;3;4;9;11;9;12;3;4;11]; temperature = [57;61;60;62;45;59;64;66;40;56;38;65;61;64;55]; maxTemp = accumarray(month,temperature,[],@max); The image below demonstrates the computation process done by accumarray in...

Is raised when you tried to use a variable, method or function that is not initialized (at least not before). In other words, it is raised when a requested local or global name is not found. It's possible that you misspelt the name of the object or forgot to import something. Also maybe it's in anot...

Another example: a Weapon that shoots out Bullets. The Weapon acts as an object pool for the Bullets it creates. public class Weapon : MonoBehaviour { // The Bullet prefab that the Weapon will create public Bullet bulletPrefab; // This List is our object pool, which starts...

These inspections are extremely useful for preventing NullPointerExceptions. By default they are disabled. You can find these inspections in Inspections preferences: Java | Probable bugs | Constant conditions & exceptions and @NotNull/@Nullable problems. There you can also configure your annotat...

This example is used in specifying options that might not be included in a database of available housing and its attendant amenities. It builds on the previous example, with some differences: Two procedures are no longer necessary for a single combo box, done by combining the code into a single ...

Screenshot Adapter Class private class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { final int EMPTY_VIEW = 77777; List<CustomData> datalist = new ArrayList<>(); MyAdapter() { super(); } @Override public RecyclerView.ViewHolder onCreateViewH...