Tutorial by Examples: g

A settings variable Default_Base is set on the instance of Ada.Text_IO.Integer_IO; also, Default_Width is set so that output cannot have leading space. with Ada.Text_IO; use Ada.Text_IO; procedure Print_Hex is subtype Count is Integer range -1_000_000 .. 1_000_000; package Count_IO...

Install the toolchain with curl https://sh.rustup.rs -sSf | sh You should have the latest stable version of rust already. You can check that by typing rustc --version If you want to update, just run rustup update

Paste this snippet somewhere in the http {} Block; or place it in it's own file in the /etc/nginx/conf.d/ folder. Also see the official docs for logging to syslog. # # Access Log # log_format fmt_syslog '[$time_local] $status $remote_addr $http_host "$request" $body_bytes_sent $reque...

Coding method used: Hybrid/Spongy It has been forever a myth that div's can not be used in emails. There are email clients (unlike outlook) that can render div's properly. The example below will illustrate how an email can be coded that will work on Gmail app (with updates not rolled out yet), Sams...

The create-* commands in Grails automatically create unit or integration tests for you within the src/test/groovy directory. It is of course up to you to populate these tests with valid test logic, information on which can be found in the section on Unit and integration tests. To execute tests you ...

import grails.rest.* @Resource(uri='/books') class Book { String title static constraints = { title blank:false } } Simply by adding the Resource transformation and specifying a URI, your domain class will automatically be available as a REST resource in either XM...

If you prefer to keep the declaration of the URL mapping in your UrlMappings.groovy file then simply removing the uri attribute of the Resource transformation and adding the following line to UrlMappings.groovy will suffice: "/books"(resources:"book") Extending your API to in...

# for use in npm scripts npm install electron-packager --save-dev # for use from cli npm install electron-packager -g

electron-packager C:/my-app MyApp

var packager = require('electron-packager'); packager({ dir: '/', }, function(err, path){ if(err) throw err; // Application has been packaged });

To include an icon font in your CSS, you can include the following code : @font-face { font-family: 'myfont'; src:url('fonts/myfont.eot?-td2xif'); src:url('fonts/myfont.eot?#iefix-td2xif') format('embedded-opentype'), url('fonts/myfont.woff?-td2xif') format('woff'), ...

To use an icon in your HTML, you can do each of the following : <!-- Method 1 --> <!--- * * * * * * * * * * * * --> <!-- Set a font-family for an entire HTML element --> <!-- Define your icon fonts in your CSS font-family after your regular fonts --> <!-- This means ...

Consider a down-pointing triangle. There are several correct ways to display this symbol on a web page. Method 1 : use decimal HTML entity HTML : ▼ Method 2 : use hexidecimal HTML entity HTML : ▼ Method 3 : use character directly HTML : ▼ Method 4 : use CS...

To include a webfont in your CSS, you can include the following code: @font-face { font-family: 'myfont'; src:url('fonts/myfont.eot?-td2xif'); src:url('fonts/myfont.eot?#iefix-td2xif') format('embedded-opentype'), url('fonts/myfont.woff?-td2xif') format('woff'), url...

import { Pipe, PipeTransform } from '@angular/core'; @Pipe({ name: 'even' }) export class EvenPipe implements PipeTransform { transform(value: string): string { if(value && value %2 === 0){ return value; } } } @Component({ selector: '...

Overall you have two ways to monitor processes at linux host Static monitoring Most widely used command is ps (i.e., process status) command is used to provide information about the currently running processes, including their process identification numbers (PIDs). Here few useful options to gath...

A line in the plane can be described as a*x + b*y + c = 0 This uses a three-element parameter vector [a, b, c] to describe the line. Sometimes the constant term c is moved to the right hand side of the equation instead. The representation is not unique, since the length of that vector is arbitra...

Recommended way of production deployment calls for using Apache/Nginx for serving the static content. Thus, when DEBUG is false static and media contents fail to load. However, we can load the static content in deployment without having to setup Apache/Nginx server for our app using: python manage....

SSL Certificates use something called public key cryptography.We need to use Https instead of Http because of keeping data secure between servers and improving customer trust. To enable this option in grails, we have to run our app differently. The command below: grails run-app -https

First we need to provide Title service. Using setTitle import {Title} from "@angular/platform-browser"; @Component({ selector: 'app', templateUrl: './app.component.html', providers : [Title] }) export class AppComponent implements { constructor( private title: Titl...