Tutorial by Examples: le

Go to member (javaScript function/CSS rule)

Use CTRL+SHIFT+O (⌘+SHIFT+O for mac) to navigate to a javaScript function/CSS rule when viewing a file.

google-chrome-devtools • Getting started with google-chrome-devtools

file manipulation commands

List of commands that will be introduced here: ls #view contents of a directory touch #create new file mkdir #create new directory cp #copy contents of one file to another mv #move file from one location to another rm #delete a file or directory ls examples jennifer@my_co...

unix • Basic console commands

Integrity Validated - Symmetric Key - Encryption and Decryption example using Java

Encryption is used to transform data in its orignal format (Eg: The contents of a letter, Credentials part of authorizing a financial transaction) to something that cannot be easily reconstructed by anyone who is not intended to be part of the conversation. Basically encryption is used to preve...

cryptography • Getting started with cryptography

with_items - simple list

A with_items loop in ansible can be used to easily loop over values. - name: Add lines to this file lineinfile: dest=/etc/file line={{ item }} state=present with_items: - Line 1 - Line 2 - Line 3

ansible • Ansible: Looping

Decoupling ErrorHandlerAttribute registering from the service implementation

To decouple and reuse the same error logging code for all your services you need two boilerplate classes and tuck them away in a library somewhere. ErrorhandlerAttribute implementing IServiceBehavior. FaultErrorhandler implementing IErrorhandler which logs all the exceptions. [AttributeUsage(Attr...

wcf • Handling exceptions

Full commented example

'use strict'; import React, {Component} from 'react'; import ReactNative from 'react-native'; const { AppRegistry, StyleSheet, Text, View, Navigator, Alert, TouchableHighlight } = ReactNative; //This is the app container that contains the navigator stuff class AppC...

react-native • Navigator with buttons injected from pages

Simple CRUD with POJOs

One of the great things about Ektorp, is that it provides ORM like functionality, straight out of the box. This example will walk you through creating a simple POJO and doing standard CRUD operation on it Creating a simple POJO First off, we define a POJO as follows import com.fasterxml.jackson...

couchdb • Ektorp java client

Different ways to Select from DropDown list

Below is and HTML page <html> <head> <title>Select Example by Index value</title> </head> <body> <select name="Travel"><option value="0" selected> Please select</option> <option value="1">Car</option&...

selenium-webdriver • Select Class

A basic flask blueprints example

A minimal Flask application looks something like this: from flask import Flask app = Flask(__name__) @app.route("/") def index(): return "Hello World!" A large Flask application can separate one file into multiple files by blueprints. Purpose Make it easier for ...

Flask • Blueprints

Collection.url()

By default, the url property is not defined. Calling fetch() (while using the default Backbone.sync) will result in a GET request to the results of url. var Users = Backbone.Collection.extend({ url: '/api/users', // or url: function () { return '/api/users' } }); va...

backbone.js • Collection

Introductory Example on Boost.Python

Things are easy when you have to use a C++ library in a Python project. Just you can use Boost. First of all here is a list of components you need: A CMakeList.txt file, because you're going to use CMake. The C++ files of the C++ project. The python file - this is your python project. Let's...

boost • Using boost.python

Alert basic example

<div class="container"> <h2>Alerts</h2> <div class="alert alert-success"> <strong>Success!</strong> </div> <div class="alert alert-info"> <strong>Info!</strong> </div> <div ...

twitter-bootstrap • Alert

Animated Alerts

The .fade and .in classes adds a fading effect when closing the alert message. <div class="alert alert-success fade in"> <a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a> <strong>Succ...

twitter-bootstrap • Alert

Behavior Implementation

using System; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Interactivity; using System.Windows.Media; using System.Windows.Media.Imaging; namespace MyBehavior...

wpf • Supporting Video Streaming and Pixel Array Assignment to an Image Control

Example for data insert or data retrieve from Firebase

Before understand require to follow some setup for project integrate with firebase. Create your project in Firebase Console and download google-service.json file from console and put it in app level module of your project, Follow link for Create Project in console After this we require to...

firebase-database • FirebaseRealtime database with Android

Use custom middleware + Superagent

This is example has extracted from this boilerplate. Custom middleware: export default function clientMiddleware() { return ({dispatch, getState}) => { return next => action => { if (typeof action === 'function') { return action(dispatch, getState); } ...

redux • Asynchronous Data Flow

Difference between Tk and Toplevel

Tk is the absolute root of the application, it is the first widget that needs to be instantiated and the GUI will shut down when it is destroyed. Toplevel is a window in the application, closing the window will destroy all children widgets placed on that window{1} but will not shut down the program...

tkinter • Multiple windows (TopLevel widgets)

Saving data as CSV style ASCII file

Analog to np.loadtxt, np.savetxt can be used to save data in an ASCII file import numpy as np x = np.random.random([100,100]) np.savetxt("filename.txt", x) To control formatting: np.savetxt("filename.txt", x, delimiter=", " , newline="\n", comment...

numpy • File IO with numpy

Generating Dictionary From IEnumerable

' Just setting up the example Public Class A Public Property ID as integer Public Property Name as string Public Property OtherValue as Object End Class Public Sub Example() 'Setup the list of items Dim originalList As New List(Of A) originalList.Add(New A() With {...

Visual Basic .NET Language • LINQ

Simple setup

Setting up the folders This example assumes code to be in src/ and the output to be put into out/. As such the folder structure should look something like example/ |-- src/ | |-- index.js | `-- ... |-- out/ `-- package.json Setting up the packages Assuming a setup npm environment, we...

React • Installation