Tutorial by Examples: sin

Various INITIALIZE clauses

01 fillertest. 03 fillertest-1 PIC 9(10) value 2222222222. 03 filler PIC X value '|'. 03 fillertest-2 PIC X(10) value all 'A'. 03 filler PIC 9(03) value 111. 03 filler PIC X value '.'. INITIALIZE fillertest INITIALIZE fillertest REPLACING NUM...

cobol • INITIALIZE statement

Minify HTML using gulp-htmlmin

First, Install gulp and gulp-htmlmin to project directory locally npm install --save-dev gulp gulp-htmlmin Then add the minify-html task to your gulpfile.js var gulp = require('gulp'); var htmlmin = require('gulp-htmlmin'); // Task to minify HTML gulp.task('minify-html', function() { retu...

gulp • Minifying HTML

Single Source Shortest Path Algorithm (Given there is a negative cycle in a graph)

Before reading this example, it is required to have a brief idea on edge-relaxation. You can learn it from here Bellman-Ford Algorithm is computes the shortest paths from a single source vertex to all of the other vertices in a weighted digraph. Even though it is slower than Dijkstra's Algorithm, i...

algorithm • Bellman–Ford Algorithm

Delete files using del

First, Install gulp and del to project directory locally npm install --save-dev gulp del Then add the clean task to your gulpfile.js var gulp = require('gulp'); var del = require('del'); gulp.task('default', function() { }); // Task to delete target build folder gulp.task('clean', func...

gulp • Delete Files Using Gulp

Write Express logs to a single file

First, install fs and path in your project npm install --save fs path Add the following code to your app.js file: var express = require('express') var fs = require('fs') var morgan = require('morgan') var path = require('path') var app = express() // create a write stream (in append mo...

express • Logging

Write to single file

Write all events with level: debug, info, warn, error and fatal to one file: <?xml version="1.0" ?> <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <targets> &lt...

nlog • Write logs to files

Web Page Using Materializecss

Here is an example of a basic page using the Materialize CSS framework which incorporates the grid system and materialboxed. <!DOCTYPE html> <html> <head> <title>Materializecss Example webpage</title>  <link href="ht...

materializecss • Getting started with materializecss

Using the Bukkit Logger

public class MyClass { public void foo() { Logger logger = Bukkit.getLogger(); logger.info("A log message"); logger.log(Level.INFO, "Another message"); logger.fine("A fine message"); // logging an exception try { ...

bukkit • Logging

Selecting a DOM element using protractor

Apart from CSS, model, and binding selectors, protractor can also locate elements using xpath View <ul> <li><a href='http://www.google.com'>Go to google</a></li> </ul> Code var googleLink= element(by.xpath('//ul/li/a')); expect(element.getText()).to.event...

protractor • XPath selectors in Protractor

Templates in Header Files

Templates require compile-time generation of code: a templated function, for example, will be effectively turned into multiple distinct functions once a templated function is parameterized by use in source code. This means that template function, member function, and class definitions cannot be del...

C++ • Header Files

Underlining a text in a UILabel using Objective C

UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake(0, 0, 320, 480)]; label.backgroundColor=[UIColor lightGrayColor]; NSMutableAttributedString *attributedString; attributedString = [[NSMutableAttributedString alloc] initWithString:@"Apply Underlining"]; [attributedString addAttrib...

iOS • UILabel text underlining

Using PhantomData as a Type Marker

Using the PhantomData type like this allows you to use a specific type without needing it to be part of the Struct. use std::marker::PhantomData; struct Authenticator<T: GetInstance> { _marker: PhantomData<*const T>, // Using `*const T` indicates that we do not own a T } imp...

Rust • PhantomData

Creating a shared link for a file using curl in PHP

<?php $parameters = array('path' => '/test.txt'); $headers = array('Authorization: Bearer <ACCESS_TOKEN>', 'Content-Type: application/json'); $curlOptions = array( CURLOPT_HTTPHEADER => $headers, CURLOPT_POST => true, CURLOPT_PO...

Dropbox API • Getting a shared link for a file or folder

Housing entity

/** * Housing. * * @ORM\Table(name="housing") * @ORM\Entity */ class Housing { /** * @var int * * @ORM\Column(name="id", type="integer") * @ORM\Id * @ORM\GeneratedValue(strategy="AUTO") */ protected $id...

symfony2 • Sending options to a form class

Using the custom element with Modal | Share | Fork icons

On whichever page you want to display your product / project portfolio, invoke the custom element like so: <article id="project-neighbourhood"> <div class="row"> <div class="col-12 hero"> <img src="path-to-hero-image...

polymer • Reusable Modals with Polymer

Accessing Google Analytics APIs

You can technically access the Google Analytics APIs using any programing language that can handle a HTTP Post or HTTP Get request. That being said, Google has also created a number of official standard client libraries to help you with this. Using a standard client library for your chosen programm...

google-analytics-api • Getting started with google-analytics-api

Delete Blobs in Blob storage older than a number of days

Here is an example of an Azure Powershell automation runbook that deletes any blobs in an Azure storage container that are older than a number of days. This may be useful for removing old SQL backups to save cost and space. It takes a number of parameters which are self explanatory. Note: I have ...

azure • Azure-Automation

Playing with Tables using rails console

View tables ActiveRecord::Base.connection.tables Delete any table. ActiveRecord::Base.connection.drop_table("users") ------------OR---------------------- ActiveRecord::Migration.drop_table(:users) ------------OR--------------------- ActiveRecord::Base.connect...

Ruby on Rails • Rails Cookbook - Advanced rails recipes/learnings and coding techniques

Using flat arrays as 2D arrays

Often the easiest solution is simply to pass 2D and higher arrays around as flat memory. /* create 2D array with dimensions determined at runtime */ double *matrix = malloc(width * height * sizeof(double)); /* initialise it (for the sake of illustration we want 1.0 on the diagonal) */ int x, y...

C Language • Pass 2D-arrays to functions

Using the Proximity Sensor

//Enabling the proximity Sensor - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [[UIDevice currentDevice] setProximityMonitoringEnabled:YES]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sensorStateMonitor:) name:@"UIDevice...

iOS • UIDevice