Tutorial by Examples: d

An example on how to compose the reader, writer, and state monad using monad transformers. The source code can be found in this repository We want to implement a counter, that increments its value by a given constant. We start by defining some types, and functions: newtype Counter = MkCounter {...

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'])...

Build the APK First of all we need to build the APK. ionic build --release android Generate private Key Then we will create a keystore to sign the APK. keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 Change my-release-key with ...

The Records Browser defines the schema for all scriptable record types; it is an extremely critical reference tool for every SuiteScript developer. When you need to know how to reference a particular field on a specific record type in your script, the Records Browser is your guide. Direct Link Oth...

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...

Each schema provides you with an overwhelming amount of information about each record type. It is important to know how to break down all of this information. At the top of the schema is the name of the Record Type followed by the Internal ID of the record type; this internal ID is the programmatic...

As stated previously, there is no searching capability built in to the Records Browser. Once you've navigated to the appropriate Record Type, if you don't already know a particular field's Internal ID, the easiest way to find it is to use your browser's Find function (usually CTRL+F) to locate the f...

The Required column of the schema indicates whether this field is required to save the record. If this column says true, then you will need to provide a value for this field when saving any record of this type.

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: ...

You can call the CEE3DLY service in 24- 31- or 64- bit mode to delay a task to the nearest second. It is CICS save and will only delay the thread. An example: IDENTIFICATION DIVISION. PROGRAM-ID. SLEEPYTM. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. ...

Before starting gulp we need to install node.js and npm. Then install gulp-sacc $ npm i gulp-sass --save-dev // i = install Gulp Head var gulp = require('gulp'); // Requires the gulp-sass plugin var sass = require('gulp-sass'); Gulp Body gulp.task('sass', function(){ return gulp.src('...

Use dynamic_cast<>() as a function, which helps you to cast down through an inheritance hierarchy (main description). If you must do some non-polymorphic work on some derived classes B and C, but received the base class A, then write like this: class A { public: virtual ~A(){} }; class B...

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...

Warning message: typings WARN deprecated 10/25/2016: "registry:dt/jasmine#2.5.0+20161003201800" is deprecated (updated, replaced or removed) Update the reference with: npm run typings -- install dt~jasmine --save --global Replace [jazmine] for any library that is throwing warning

The syntactic sugar Most of the getting started examples of ExpressJs include this piece of code var express = require('express'); var app = express(); ... app.listen(1337); Well, app.listen is just a shortcut for: var express = require('express'); var app = express(); var http = require(...

A basic middleware is a function that takes 3 arguments request, response and next. Then by app.use, a middleware is mounted to the Express App Middlewares Stack. Request and response are manipulated in each middleware then piped to the next one through the call of next(). For example, the below c...

LibGDX is a free, open-source game-development library developed in Java. It's goals are to allow users to develop cross-platform games that run on desktop, Android, iOS, and web browsers. Write code once, deploy it to any of the major platforms.