Tutorial by Examples: di

Here's an example of how to turn radio buttons to button boxes:

import tkinter as tk root = tk.Tk() rbvar = StringVar() rbvar.set(" ") rb1 = tk.Radiobutton(root, text="Option 1", variable=rbvar, value='a', indicatoron=0) rb1.pack() rb2 = tk.Radiobutton(root, text="Option 2", variable=rbvar, value='b', indicatoron=0) rb2...

Loading All The Plugins from Package.JSON

Assuming , you have a grasp of how to install gulp, let us dive right down to requiring all the gulp- dependencies from package.json under your projects root folder. In case you do not have a gulpfile yet , please create an empty file with the name gulpfile.js First , we require gulp. like so: v...

Adding Gulp Tasks

So, we now have A function defined Above to optimise Styles A function defined Above to optimise scripts A function defined Above to optimise HTML A function to generate multiple images per image Above All we need to do now, is to invoke them when needed. Let us write our tasks according t...

Linked Items

<div class="list-group"> <a href="#" class="list-group-item active"> Cras justo odio </a> <a href="#" class="list-group-item">Dapibus ac facilisis in</a> <a href="#" class="list-group-i...

Disabled Items

<div class="list-group"> <a href="#" class="list-group-item disabled"> Cras justo odio </a> <a href="#" class="list-group-item">Dapibus ac facilisis in</a> <a href="#" class="list-group...

To get value from Binding

ValueExpression ve = AdfmfJavaUtilities.getValueExpression(<binding>, String.class); String <variable_name> = (String) ve.getValue(AdfmfJavaUtilities.getELContext()); Here "binding" indicates the EL expression from which the value is to be get. "variabl...

To set value to binding

ValueExpression ve = AdfmfJavaUtilities.getValueExpression(<binding>, String.class); ve.setValue(AdfmfJavaUtilities.getELContext(), <value>); Here "binding" indicates the EL expression to which the value is to be stored. "value" is the desired val...

To invoke a method from binding

AdfELContext adfELContext = AdfmfJavaUtilities.getAdfELContext(); MethodExpression me; me = AdfmfJavaUtilities.getMethodExpression(<binding>, Object.class, new Class[] { }); me.invoke(adfELContext, new Object[] { }); "binding" indicates the EL expression from wh...

Save Pandas DataFrame from list to dicts to csv with no index and with data encoding

import pandas as pd data = [ {'name': 'Daniel', 'country': 'Uganda'}, {'name': 'Yao', 'country': 'China'}, {'name': 'James', 'country': 'Colombia'}, ] df = pd.DataFrame(data) filename = 'people.csv' df.to_csv(filename, index=False, encoding='utf-8')

Example of Access Modifiers

In the following example consider you have a solution hosting two projects: ConsoleApplication1 and SampleClassLibrary. The first project will have the classes SampleClass1 and SampleClass2. The second one will have SampleClass3 and SampleClass4. In other words we have two assemblies with two classe...

Hello World in IOS

After you have set up Firebase to your IOS Project following the documentation for setting up firebase for IOS in other firebase related documentation you can get going with firebase. If you haven't already added the database pod to your Podfile do so now by adding pod Firebase/Database in ...

Hello World in Python

An example how to run stripe out of the box with wsgi from a single file. At first, please install the python stripe API, i.e. with pip: pip install --user stripe Create payment.py which creates a WSGI webserver at port 8000 out of the box html = """ <html> <body> ...

Converting an Mat object to an BufferedImage object

This example by Daniel Baggio was taken directly from this StackExchange answer, but has been reposted for visibility. This class takes an Mat object and returns the BufferedImage object used by the javax.swing libraries. This can be used by a Graphics object to draw the image. private BufferedIma...

Adding Numpy to the bundle

To add Numpy to the bundle, modify the setup.py with include_dirs keyword and necessary import the numpy in the wrapper Python script to notify Pyinstaller. program.pyx: import numpy as np cimport numpy as np def do_stuff(): print("Hello World!") cdef int n n = 2 ...

Lifecycle method call in different states

This example serves as a complement to other examples which talk about how to use the lifecycle methods and when the method will be called. This example summarize Which methods (componentWillMount, componentWillReceiveProps, etc) will be called and in which sequence will be different for a componen...

parameter DI

public DateTime SomeCalculation() { return DateTime.Now.AddDays(3); } vs public DateTime SomeCalculation(DateTime inputDate) { return inputDate.AddDays(3); }

Preparing your project for lazy loading

After including oclazyload.js in your index file, declare ocLazyLoad as a dependency in app.js //Make sure you put the correct dependency! it is spelled different than the service! angular.module('app', [ 'oc.lazyLoad', 'ui-router' ])

Using the directive

<div oc-lazy-load="['path/to/lazy/loaded/directive.js', 'path/to/lazy/loaded/directive.html']"> <!-- myDirective available here --> <my-directive></my-directive> </div>

Encoding/Decoding using Go structs

Let's assume we have the following struct that defines a City type: type City struct { Name string Temperature int } We can encode/decode City values using the encoding/json package. First of all, we need to use the Go metadata to tell the encoder the correspondence between the...
Go • JSON

Binding modes and defaults

There are three modes of XAML bindings exists for either Binding and x:Bind: OneTime: Update happens only once, on initialization of the view during InitializeComponent() call. (ViewModel[sends data when initializing] -> View) OneWay: View is updated when ViewModel changes. But not in the rev...

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