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When write() is called for a named or unnamed pipe or stream socket whose reading end is closed, two things happen: POSIX.1-2001 SIGPIPE signal is sent to the process that called write() POSIX.1-2004 SIGPIPE signal is sent to the thread that called write() EPIPE error is returned ...

function onButtonClick() { navigator.bluetooth.requestDevice({filters: [{services: ['battery_service']}]}) .then(device => { // Connecting to GATT Server... return device.gatt.connect(); }) .then(server => { // Getting Battery Service... return server.getPri...

function onButtonClick() { navigator.bluetooth.requestDevice({filters: [{services: ['heart_rate']}]}) .then(device => { // Connecting to GATT Server... return device.gatt.connect(); }) .then(server => { // Getting Heart Rate Service... return server.getP...

Jersey is one of the many frameworks available to create Rest Services, This example will show you how to create Rest Services using Jersey and Spring Boot 1.Project Setup You can create a new project using STS or by using the Spring Initializr page. While creating a project, include the followi...

The "child" components of a component are available on a special prop, props.children. This prop is very useful for "Compositing" components together, and can make JSX markup more intuitive or reflective of the intended final structure of the DOM: var SomeComponent = function ...

If a scoped enum is converted to an integral type that is too small to hold its value, the resulting value is unspecified. Example: enum class E { X = 1, Y = 1000, }; // assume 1000 does not fit into a char char c1 = static_cast<char>(E::X); // c1 is 1 char c2 = static_cast<c...

While you can use the NSUserDefaults methods anywhere, it can sometimes be better to define a manager that saves and reads from NSUserDefaults for you and then use that manager for reading or writing your data. Suppose that we want to save a user’s score into NSUserDefaults. We can create a class ...

<target name="compile" description="Compiles report designs specified using the 'srcdir' in the <jrc> tag." depends="prepare-compile-classpath"> <mkdir dir="./build/reports"/> <taskdef name="jrc" classname=&quot...

Multiple operations can be executed against a single transaction so that changes can be rolled back if any of the operations fail. using (var context = new PlanetContext()) { using (var transaction = context.Database.BeginTransaction()) { try { //Lets assum...

When committing changes it is possible to specify that the commit will in future be squashed to another commit and this can be done like so, git commit --squash=[commit hash of commit to which this commit will be squashed to] One might also use, --fixup=[commit hash] alternatively to fixup. It is...

Sitecore Instance Manager is open-source tool which is used for managing the local park of Sitecore instances. You can install, locate, maintain, reinstal or delete Sitecore products. It also helps you install your sitecore instance with any sitecore packages, modules and only thing you need to do i...

You can use Modules to build more complex classes through composition. The include ModuleName directive incorporates a module's methods into a class. module Foo def foo_method puts 'foo_method called!' end end module Bar def bar_method puts 'bar_method called!' end end ...

This method allows a command to be sent to Cmd.exe, and returns the standard output (including standard error) as a string: private static string SendCommand(string command) { var cmdOut = string.Empty; var startInfo = new ProcessStartInfo("cmd", command) { ...

Given a Day, we can perform simple arithmetic and comparisons, such as adding: import Data.Time addDays 1 (fromGregorian 2000 1 1) -- 2000-01-02 addDays 1 (fromGregorian 2000 12 31) -- 2001-01-01 Subtract: addDays (-1) (fromGregorian 2000 1 1) -- 1999-12-31 addDays (-1) (fromGregorian...

<?php echo do_shortcode("[footag foo='Hi! I am a foo output']"); ?> To print a shortcode using php use the do_shortcode function and echo the returned value.

Depending on the device/release version of the system, some API may not be available. You can check which contract is supported by using ApiInformation.IsApiContractPresent() For example, this will return true on phone devices and false on the others ApiInformation.IsApiContractPresent(typeof(Cal...

This program draws some shapes and 'hello world!' and let an image go to every corner of the window. the complete code: import pygame,sys from pygame.locals import * pygame.init() FPS = 30 #frames per second setting fpsClock = pygame.time.Clock() #set up the window screen = pygame.disp...

The two mapAccum functions combine the operations of folding and mapping. -- A Traversable structure -- | -- A seed value | ...

Although GameplayKit (which is introduced with iOS 9 SDK) is about implementing game logic, it could also be used to generate random numbers, which is very useful in apps and games. Beside the GKRandomSource.sharedRandom which is used in the following chapters there are three additional types of GK...

Charts can be created by working directly with the Series object that defines the chart data. In order to get to the Series without an exisitng chart, you create a ChartObject on a given Worksheet and then get the Chart object from it. The upside of working with the Series object is that you can s...