Tutorial by Topics: i

private void EventName (object sender, EventArgs e); ParameterDetailsobject sendersender refers to the object that invoked the event that fired the event handler. This is useful if you have many objects using the same event handler.EventArgs eEventArgs is something of a dummy base class. In ...

The Simple Build Tool (SBT for short) can be used to build Scala (or Java) project code. This includes managing code, dependencies, and resources that must be built, tested, and/or compiled to a .jar or other artifact. Custom tasks can be created to manage all of these processes. A note on the na...

only return call() either implicitly such as in arrow function or explicitly, can be a tail call statment function foo(){ return bar(); } // the call to bar is a tail call function foo(){ bar(); }// bar is not a tail call. The function returns undefined when no return is given const foo = ()...

LOAD DATA [LOW_PRIORITY | CONCURRENT] [LOCAL] INFILE 'file_name' INTO TABLE tbl_name [CHARACTER SET charset] [{FIELDS | COLUMNS} [TERMINATED BY 'string'] [[OPTIONALLY] ENCLOSED BY 'char']] [LINES [STARTING BY 'string'] [TERMINATED BY 'string'] ] [IGNORE number {LINES | ROWS}] [(col_name...

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 ...

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...