Tutorial by Topics: le

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

A Handler can be easily used to execute code after a delayed amount of time. It is also useful for executing code repeatedly after a specified amount of time by calling the Handler.postDelayed() method again from within the Runnable's run() method.

int readfile ( string $filename [, bool $use_include_path = false [, resource $context ]] ) ParameterDescriptionfilenameThe filename being read.use_include_pathYou can use the optional second parameter and set it to TRUE, if you want to search for the file in the include_path, too.contextA ...

The singleton pattern has the goal to allow only one instance of a class to exists at any given time. Preventing the direct instantiation via constructor is usually prevent by making it private. However, this is not possible in As3 and thus other ways to control the number of instances have to be...

Not all HTML tags are of the same structure. While most elements require an opening tag, a closing tag, and contents, some elements - known as void elements - only require an opening tag as they themselves do not contain any elements. This topic explains and demonstrates the proper usage of void ele...

The div element in HTML is a container element that encapsulates other elements and can be used to group and separate parts of a webpage. A div by itself does not inherently represent anything but is a powerful tool in web design. This topic covers the purpose and applications of the div element. ...

ParameterDescriptionStableYesIn placeYesBest case complexityO(n)Average case complexityO(n^2)Worst case complexityO(n^2)Space complexityO(1)

Middleware is a software component that will determine how to process the request and decide whether to pass it to the next component in the application pipeline. Each middleware has a vary specific role and actions to preform on the request.

include Comparable implement the space-ship operator (<=>) ParameterDetailsotherThe instance to be compared to self x <=> y should return a negative number if x < y, zero if x == y and a positive number if x > y.

DELETE [ LOW_PRIORITY ] [ QUICK ] [ IGNORE ] FROM table [WHERE conditions] [ORDER BY expression [ ASC | DESC ]] [LIMIT number_rows]; /// Syntax for delete row(s) from single table ParameterDetailsLOW_PRIORITYIf LOW_PRIORITY is provided, the delete will be delayed until there are no proc...

a[start:end] # items start through end-1 a[start:] # items start through the rest of the array a[:end] # items from the beginning through end-1 a[start:end:step] # start through not past end, by step a[:] # a copy of the whole array source lst[::-1] gives you a revers...

ActionCable was available for Rails 4.x, and was bundled into Rails 5. It allows easy use of websockets for realtime communication between server and client.

by.css('css-selector') by.id('id') by.model('model') by.binding('binding') ParameterDetailscss-selectorA css selector like '.class-name' to select the element on the base of class nameidId of the dom elementmodelModel used for dom elementbindingName of the binding which is used to bound t...

All algorithms are a list of steps to solve a problem. Each step has dependencies on some set of previous steps, or the start of the algorithm. A small problem might look like the following: This structure is called a directed acyclic graph, or DAG for short. The links between each node in ...

This code will turn off the capability for a user to hold down the Shift key when opening a database to skip the default form opening and allow the user access to the Navigation Pane and VB Editor. In DB’s that you do not want users to have access to either of these (along with disabling the use ...