Tutorial by Examples: ti

WPF does not support displaying anything other than an image as a splash screen out-of-the-box, so we'll need to create a Window which will serve as a splash screen. We're assuming that we've already created a project containing MainWindow class, which is to be the application main window. First of...

# app/channels/application_cable/connection.rb module ApplicationCable class Connection < ActionCable::Connection::Base identified_by :current_user def connect self.current_user = find_verified_user logger.add_tags 'ActionCable', current_user.id # Can replace...

One day I had a conversation with a friend of mine who uses Laravel PHP framework in his job. When I told him that Django has its own all-included HTML CRUD system, for interacting with the database, called Django admin, his eyes popped off! He told me: "It took me months to build an Admin inte...

As an example you want to disable pagination in your default index action and get all results in index. How can you do that? It's simple. You should override the index action in your controller like this: public function actions() { $actions = parent::actions(); unset($actions['index'])...

Create training instances from .arff file private static Instances getDataFromFile(String path) throws Exception{ DataSource source = new DataSource(path); Instances data = source.getDataSet(); if (data.classIndex() == -1){ data.setClassIndex(data.numAttributes()...

You browse the Records Browser first by Record Type, i.e. "Sales Order", "Invoice", "Employee". There is no searching capability within the Records Browser, so all navigation is done manually. Record Types are organized alphabetically, so you first click on the first le...

The nlapiSubmitField column is a critical piece to understand. This column indicates whether the field is available for inline editing. If nlapiSubmitField is true, then the field can be edited inline. This greatly impacts how this field is handled when trying to use the nlapiSubmitField or record.s...

You can pass an array to the style prop to apply multiple styles. When there is a conflict, the last one in the list takes precedence. import React, { Component } from 'react'; import { View, Text, StyleSheet } from 'react-native'; const styles = StyleSheet.create({ red: { color: ...

Before running gulp you need to install Node.JS and npm The head of the Gulp.js is: var gulp = require('gulp'); clean = require('gulp-clean'); // A gulp plugin for removing files and folders. imagemin = require('gulp-imagemin'); // Minify PNG, JPEG, GIF and SVG images Then assign path...

Save data to and from file import pickle def save(filename,object): file=open(filename,'wb') pickle.dump(object,file) file.close() def load(filename): file=open(filename,'rb') object=pickle.load(file) file.close() return object >>>list_object=[1,...

Example Controller action use Symfony\Component\HttpFoundation\Request; public function exampleAction(Request $request) { /* * First you need object ready for validation. * You can create new object or load it from database. * You need to add some constraints for this obj...

Usually we are not using second parameter in select([$select = '*'[, $escape = NULL]]) in CodeIgniter. If you set it to FALSE, CodeIgniter will not try to protect your field or table names. In the following example, we are going to select the datetime type field by formatting it using sql query an...

Installing Gulp and His Tasks $ npm install gulp --save-dev $ npm install gulp-sass --save-dev $ npm install gulp-uglify --save-dev $ npm install gulp-imagemin --save-dev Determining Folder Structure In this structure, we will use the app folder for development purposes, while the dist folde...

A function is a unit of code that represents a sequence of statements. Functions can accept arguments or values and return a single value (or not). To use a function, a function call is used on argument values and the use of the function call itself is replaced with its return value. Every functio...

import pandas as pd df = pd.DataFrame([{'var1': 'a,b,c', 'var2': 1, 'var3': 'XX'}, {'var1': 'd,e,f,x,y', 'var2': 2, 'var3': 'ZZ'}]) print(df) reshaped = \ (df.set_index(df.columns.drop('var1',1).tolist()) .var1.str.split(',', expand=True) .stack() .reset_ind...

To create \DateTimeImmutable in PHP 5.6+ use: \DateTimeImmutable::createFromMutable($concrete); Prior PHP 5.6 you can use: \DateTimeImmutable::createFromFormat(\DateTime::ISO8601, $mutable->format(\DateTime::ISO8601), $mutable->getTimezone());

Workflows can be somewhat limited in their functionality; for example, workflows cannot interact with line items. The Workflow Action script type is intended to be invoked by a Workflow to add scripting functionality to accomplish what the workflow itself cannot. Workflow Actions have a single onAc...

Lastly, we have the Bundle Installation script type, which provides several events that allow us to interact with the installation, update, and uninstallation of a particular bundle. This is a rarely-encountered script type, but important to be aware of nonetheless. The Bundle Installation includes...

Describes a dependency relationship between actors, the parent and child releationship. Parent is unique because it has created the child actor, so the parent is responsible for reacting when failures happens in his child. And parent decides which choice needs to be selected. When a parent receives...

Lifecycle Monitoring in Akka is usually referred to as DeathWatch. Monitoring is thus used to tie one actor to another so that it may react to the other actor’s termination, in contrast to supervision which reacts to failure. Monitoring Monitoring is particularly useful if a supervisor ...