Tutorial by Examples

Analog pins can be used to read voltages which is useful for battery monitoring or interfacing with analog devices. By default the AREF pin will be the same as the operating voltage of the arduino, but can be set to other values externally. If the voltage to read is larger than the input voltage, a ...

From the NuGet Package Manager console: Install-Package CouchbaseNetClient

The libc crate is 'feature gated' and can only be accessed on nightly Rust versions until it is considered stable. #![feature(libc)] extern crate libc; use libc::pid_t; #[link(name = "c")] extern { fn getpid() -> pid_t; } fn main() { let x = unsafe { getpid() }; ...

Pure functions are self-contained, and have no side effects. Given the same set of inputs, a pure function will always return the same output value. The following function is pure: function pure(data) { return data.total + 3; } However, this function is not pure as it modifies an externa...

let's say you have two users with username chyingp and casper, and want to add them both to group root. usermod chyingp -a -G root usermod casper -a -G root here comes the explanation of -a, -G -a, --append Add the user to the supplementary group(s). Use only with the -G option. -G, --groups...

In addition to the goal types described above, Analytics provides an alternative conversion tracking method called Smart Goals. Smart Goals are specifically designed to help AdWords advertisers who may not have enough conversions to use the AdWords optimization tools, such as automated bidding. When...

In the versions of YII Framework Version 1. You will set your main.php File. File Path : application_name/protected/config/main.php <?php return array( // Set Application Name 'name' => "Applicaiton Name", // Set Default Controller 'defaultC...

Removed the commented lines for rewrite in httpd.conf file. LoadModule rewrite_module modules/mod_rewrite.so You can modify .htaccess file your application folder. RewriteEngine on # if a directory or a file exists, use it directly RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_...

A named pipe is really just a special kind of file (a FIFO file) on the local hard drive. Unlike a regular file, a FIFO file does not contain any user information. Instead, it allows two or more processes to communicate with each other by reading/writing to/from this file. A named pipe works much...

If you want to handle uncaught exceptions try to catch them all in onCreate method of you Application class: public class MyApp extends Application { @Override public void onCreate() { super.onCreate(); try { Thread .setDefaultUncaughtExcept...

Being able to understand Error/Exit codes is a fundamental skill for developers on Window's machine. Yet for many, the cryptic hexadecimal code that can be produced on an application exiting with on error can prove to be time consuming and painstaking process for the developer to track down and isol...

Example Table There are several ways to inject your data into DataTables. Serverside Processing is just one method. In this manner, DataTables has a pre-configured endpoint to retrieve data from, and that endpoint is responsible for accepting all paging/filtering/sorting requests that DataTables ap...

<div ng-controller="ExampleController"> <form name="userForm"> Name: <input type="text" name="userName" ng-model="user.name" ng-model-options="{ debounce: 1000 }" /> ...

A common question among new Angular programmers - "What should be the structure of the project?". A good structure helps toward a scalable application development. When we start a project we have two choices, Sort By Type (left) and Sort By Feature (right). The second is better, especially...

Anchor tag helper is used generate href attributes to link to a particular controller action or MVC route. Basic example <a asp-controller="Products" asp-action="Index">Login</a> Sometimes, we need to specify additional parameters for the controller action that ...

Pass in a literal value (not an object), such as a string or number. Child scope gets his own value, if it updates the value, parent scope has his own old value (child scope can't modify the parens scope value). When parent scope value is changed, child scope value will be changed as well. All int...

Passing in a value by reference, you want to share the value between both scopes and manipulate them from both scopes. You should not use {{...}} for interpolation. <two-way text="'Simple text.'" <!-- 'Simple text.' --> simple-value="123" <!-- 123 Note, is...

Pass a method into a directive. It provides a way to execute an expression in the context of the parent scope. Method will be executed in the scope of the parent, you may pass some parameters from the child scope there. You should not use {{...}} for interpolation. When you use & in a directi...

In 32-bit Linux, system calls are usually done by using the sysenter instruction (I say usually because older programs use the now deprecated int 0x80) however, this can take up quite alot of space in a program and so there are ways that one can cut corners in order to shorten and speed things up. ...

IF "%~1" == "-help" ( ECHO "Hello" ) where %1 refers to the first command line argument and ~ removes any quotes that were included when the script was called.