Tutorial by Examples: d

There are a number of metrics describing the communication between Varnish and it's backends. The most important metrics here might be these: backend_busy - Number of http 5xx statuses recieved by a backend. With VCL you can configure Varnish to try another backend if this happens. backend_fail...

TypeScript enables editors to provide contextual documentation: You'll never forget whether String.prototype.slice takes (start, stop) or (start, length) again!

{-# LANGUAGE OverloadedStrings #-} module Main where import Data.Aeson main :: IO () main = do let example = Data.Aeson.object [ "key" .= (5 :: Integer), "somethingElse" .= (2 :: Integer) ] :: Value print . encode $ example

In foo.vala: void main (string[] args) { stdout.printf ("Hello world!"); } To compile the source into the foo binary: valac foo.vala To compile and run the source: vala foo.vala

project('Posix-based Project', 'vala') add_project_arguments(['--nostdpkg'], language: 'vala') posix_dep = meson.get_compiler('vala').find_library('posix') executable('foo', 'foo.vala', dependencies: [posix_dep])

project('Mixed sources Project', 'vala') glib_dep = dependency('glib-2.0') gobject_dep = dependency('gobject-2.0') executable('foo', 'foo.vala', 'bar.c', dependencies: [glib_dep, gobject_dep]) In foo.vala: namespace Foo { public extern int bar (); public int main (string[] arg...

<?php $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://api.dropboxapi.com/2/files/list_folder"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CAINFO, "cacert.pem"); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOP...

Say "Hello", Rails To get Rails saying "Hello", you need to create at minimum a controller and a view. A controller's purpose is to receive specific requests for the application. Routing decides which controller receives which requests. Often, there is more than one route t...

import javax.inject.Singleton; import dagger.Module; import dagger.Provides; @Module public class VehicleModule { @Provides @Singleton Motor provideMotor(){ return new Motor(); } @Provides @Singleton Vehicle provideVehicle(){ return new Vehicle(...

Now that you have the providers for your different models, you need to request them. Just as Vehicle needs Motor, you have to add the @Inject annotation in the Vehicle constructor as follows: @Inject public Vehicle(Motor motor){ this.motor = motor; } You can use the @Inject annotation to ...

The connection between the provider of dependencies, @Module, and the classes requesting them through @Inject is made using @Component, which is an interface: import javax.inject.Singleton; import dagger.Component; @Singleton @Component(modules = {VehicleModule.class}) public interface Vehicl...

Arrays can be passed to proceedures by putting () after the name of the array variable. Function countElements(ByRef arr() As Double) As Long countElements = UBound(arr) - LBound(arr) + 1 End Function Arrays must be passed by reference. If no passing mechanism is specified, e.g. myFunction...

# Getting started First, let’s generate a new Ruby on Rails application: rails new ModularTodo The next step is to generate an engine! cd ModularTodo && rails plugin new todo --mountable We will also create an ‘engines’ folder to store the engines (even if we just have one!). mk...

/** * A SuiteScript 1.0 example of using nlapiSubmitField to update a single field on a related record */ // From a Sales Order, get the Customer ID var customerId = nlapiGetFieldValue("entity"); // Set a comment on the Customer record nlapiSubmitField("customer", c...

/** * A SuiteScript 1.0 example of using nlapiSubmitField to update multiple fields on a related record */ // From a Sales Order, get the Customer ID var customerId = nlapiGetFieldValue("entity"); // Set a Comment and update the Budget Approved field on the Customer record nlap...

/** * A SuiteScript 2.0 example of using N/record#submitFields to update a single field on a related record */ require(["N/record", "N/currentRecord"], function (r, cr) { // From a Sales Order, get the Customer ID var customerId = cr.get().getValue({"field...

/** * A SuiteScript 2.0 example of using N/record#submitFields to update multiple fields on a related record */ require(["N/record", "N/currentRecord"], function (r, cr) { // From a Sales Order, get the Customer ID var customerId = cr.get().getValue({"fiel...

Create web directory in same folder as the vendor directory. Create index.php file in web directory with contents <?php // web/index.php require_once __DIR__.'/../vendor/autoload.php'; $app = new Silex\Application(); $app->get("/", function () { return "Hello wo...

There are several ways interact with an Xml file. Xml Document XDocument XmlReader/XmlWriter Before LINQ to XML we were used XMLDocument for manipulations in XML like adding attributes, elements and so on. Now LINQ to XML uses XDocument for the same kind of thing. Syntaxes are much easie...

Opening a database is database specific, here there are examples for some databases. Sqlite 3 file := "path/to/file" db_, err := sql.Open("sqlite3", file) if err != nil { panic(err) } MySql dsn := "mysql_username:CHANGEME@tcp(localhost:3306)/dbname" db, e...