Tutorial by Topics: v

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...

UIWebView Delegate functions:- Objective-C Declerations - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType; - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error; - (void...

BroadcastReceiver (receiver) is an Android component which allows you to register for system or application events. All registered receivers for an event are notified by the Android runtime once this event happens. for example, a broadcast announcing that the screen has turned off, the battery is l...

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. ...

An Activity represents a single screen with a user interface(UI). An Android App may have more than one Activity, for example, An email App can have one activity to list all the emails, another activity to show email contents, yet another activity to compose new email. All the activities in an App w...

CREATE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition; ///Simple create view syntax CREATE [OR REPLACE] [ALGORITHM = {UNDEFINED | MERGE | TEMPTABLE}] [DEFINER = { user | CURRENT_USER }] [SQL SECURITY { DEFINER | INVOKER }] VIEW view_name [(column_list)] AS sel...

Visual Basic 14 is the version of Visual Basic that was shipped as part of Visual Studio 2015. This version was rewritten from scratch in about 1.3 million lines of VB. Many features were added to remove common irritations and to make common coding patterns cleaner. The version number of Visual Ba...

AR is perfect when you need to delete, update or create one or more records sequentially. Its support of dirty attributes (saving only what was really changed) results in optimized UPDATE statements which lifts the load from database significantly and reduces chances for various conflicts connecte...

AVSpeechSynthesizer() // Creates a speech synthesiser speaker.speakUtterance(speech) // Converts the text to speech ParameterDetailsspeakerAVSpeechSynthesizer objectspeechAVSpeechUtterance object

ParameterDescriptionpath_or_bufstring or file handle, default None File path or object, if None is provided the result is returned as a string.sepcharacter, default ‘,’ Field delimiter for the output file.na_repstring, default ‘’ Missing data representationfloat_formatstring, default None Format st...

my # Lexical declaration our # Global declaration $foo # Scalar @foo # Array $#foo # Array Last-Index %foo # Hash ${$foo} # Scalar De-Reference @{$foo} # Array De-Reference $#{$foo} # Array-DeRef Last-Index %{$foo} # Hash De-Reference $foo[$index] # Array get indexed ${$foo}[$inde...