Mark's coding playground...

Syntax for taking random numbers or values in corona has been given below. Download the code and try it... Syntax         math.random()          math.random( m )          math.random( m, n ) math.random() ---> a number between 0 and 1 math.random(m) ---> an integer between 1 and n (inclusive) math.random(m,n) ---> an integer between m and n (inclusive) math.random() ---> a number between 0 and 1 math.random(20) ---> an integer between 1 and 20 (inclusive) math.random(20, 40) ---> an integer between 20 and 40 (inclusive)

Using For Loops in corona is very eazy.Copy and try the code below.. for i=1,20 do print(i) end

Here is a list of string function which are very useful... string.byte() Returns the internal numerical codes of the characters in a string. string.char() Returns a string in which each character has the internal numerical code equal to its corresponding argument. string.find() Looks for the first match of a pattern in a string. If found, it returns the indices where the occurrence starts and ends; otherwise, returns nil. string.format() Returns a formatted string following the description given in its arguments. string.gmatch() Returns a pattern-finding iterator. string.gsub() Replaces all occurrences of a pattern in a string. string.len() Returns the length of a string (number of characters). string.lower() Changes uppercase characters in a string to lowercase. string.match() Extracts substrings by matching patterns in a string. string.rep() Replicates a string by returning a string that is the concatenation of n copies of a specified strin...

Sharing variables between Activities is quite important point during development time of your Application. This  Example suppose Activity1 from where you run up other Activity2 .   We gonna share variable myValue. In Activity1 : myValue="string values"; Intent intent = new Intent(MainActivity.this,NewClass.class); Bundle bundle = new Bundle(); bundle.putString("myValue", myValue); intent.putExtras(bundle); startActivity(intent); or Intent intent = new Intent(MainActivity.this,NewClass.class); intent.putExtra("myValue",AnyValue); startActivity(intent); In Activity2 : Bundle bundle = getIntent().getExtras(); String value= bundle.getString(“myValue“); or Intent intent=getIntent(); Bundle bundle=intent.getExtras(); String value= bundle.getString(“myValue“);

Lua is a dynamically typed language. This means that variables do not have types; only values do. There are no type definitions in the language. All values carry their own type. All values in Lua are first-class values. This means that all values can be stored in variables, passed as arguments to other functions, and returned as results. nil   — it usually represents the absence of a useful value. boolean   — represents two conditions 'false' or 'true' number   — represents real (double-precision floating-point) numbers. string   — represents arrays of characters. Lua is 8-bit clean: strings can contain any 8-bit character,   including embedded zeros. function   — click here to get more details table   — the sole data structuring mechanism in Lua.