Tutorial by Topics

AWS Lambda is a serverless setup for executing functions in the cloud. It leverages existing Amazon Web Services technologies to infinitely scale and run only when necessary in it's own isolated environment. Using Lambda, you can upload your code, configure it to run based on a variety of triggers...

$collection = collect(['Value1', 'Value2', 'Value3']); // Keys default to 0, 1, 2, ..., Illuminate\Support\Collection provides a fluent and convenient interface to deal with arrays of data. You may well have used these without knowing, for instance Model queries that fetch multiple records...

This section provides an overview of what rxjs is, and why a developer might want to use it. It should also mention any large subjects within rxjs, and link out to the related topics. Since the Documentation for rxjs is new, you may need to create initial versions of those related topics. Ve...

When you support universal links, iOS 9 users can tap a link to your website and get seamlessly redirected to your installed app without going through Safari. If your app isn’t installed, tapping a link to your website opens your website in Safari. Generally, any supported link clicked in Safa...

public static function log($message, $level = null, $file = '', $forceLog = false) ParameterDetailsstring $messageThe message that will be loggedinteger $levelLog levelstring $filePath and name with extension of file that will be saved to var/log/. If NULL or not specified then system.log wi...

The Facebook Graph API is one of the most useful tools available to app developers today. It is used to integrate Facebook functionality such as login or retrieving photos, friends and other data one might need from Facebook into one's own app.

Vue.directive(id, definition); Vue.directive(id, update); //when you need only the update function. ParameterDetailsidString - The directive id that will be used without the v- prefix. (Add the v- prefix when using it)definitionObject - A definition object can provide several hook function...

Error Log Locations /var/log/ Typically the system.log and exception.log file will exist in the /var/log/ folder. These contain most of the information you will need. You can check to see if these are enabled and what the names of the exception and system log are by going to System > Conf...

Data vs Computed Properties The main use-case difference for the data and computed properties of a Vue instance is dependent on the potential state or probability of changing of the data. When deciding what category a certain object should be, these questions might help: Is this a constant ...

fetch(url, options)[.then(...)[.catch(...)]] The Fetch API is the most commonly used API for HTTP requests. It is modern, flexible and it uses promises. The XMLHttpRequest API is also used for HTTP requests and is mainly included so that developers may use their favorite existing librar...

This section provides an overview of what data-structures is, and why a developer might want to use it. It should also mention any large subjects within data-structures, and link out to the related topics. Since the Documentation for data-structures is new, you may need to create initial version...

Other than in ordinary C / C++ , the Arduino IDE allows to call a function before it is defined. In .cpp files, you have to define the function, or at least declare the function prototype before you can use it. In an .ino file, the Arduino IDE creates such a prototype behind the scenes. Arduino ...

analogRead(pin) //Read from the given pin. Serial.println(val) For help with Serial communication, see: Serial Communication

Using undocumented features is considered a risky practice1, as these features may change without notice or simply work differently on different MATLAB versions. For this reason, it is advised to employ defensive programming techniques such as enclosing undocumented pieces of code within try/cat...