Ruby Method 114 codes

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1 0 step(50, 5) { code to loop here }
2 1 upto(5) { code to loop here }
3 1 upto(5) { number puts number }
4 10 downto(5) { code to loop here }
5 A block is a section of code that can be passed to a method much like passing an argument
6 A code block is an anonymous, nameless method or function
7 A Proc is an object that holds a chunk of code
8 A quicker way to create our hello Proc
9 A simple definition for a method named hello, created with the keywords def and end
10 A variable number of arguments stored in an array
11 Add a new method by add method to Class
12 Add a new method with define_method
13 After yield executes, control comes back to the next statement immediately following yield
14 Alias a old method a new name, then change the implementation of old method
15 Aliasing Methods
16 Assign method pointer to another method
17 Because its returning multiple values from a method, Ruby returns an array
18 Bind a block to a method
19 Block as the third parameter
20 Block is invoked in conjunction with a method
21 Block pointer
22 Built-In Reflection
23 Call a function for a parameter with or without parenthesis
24 Call method from parameter
25 Call String instance_method to get a method pointer
26 Calling Methods Dynamically
27 Coax a method to convert an associated block to a proc on the fly
28 Code Blocks and each method
29 Contain two yields, then call it with a block It executes the block twice
30 Convert a block into an object
31 Converting Between Degrees and Radians
32 Create a Wrapper method to alias
33 Creating and Calling a Method
34 Def and end define the welcome method
35 Default Arguments
36 Define a method to convert Cartesian (x,y) coordinates to Polar
37 Define hello so that it contains only a yield statement
38 Define methods that have arguments
39 Define your own method with defend
40 Define_method method allows you to create methods on the fly
41 Defined, And, Or, and Not
42 Execute the yield statement any number of times
43 Function with two parameters
44 Generating a Sequence of Numbers
45 Get pointer to a method in Fixnum
46 Give length a new name
47 How do you reach the code in the block from inside the method
48 If theres a block, pass in the file and close the file when it returns
49 Invoking Blocks
50 Is block ready
51 Its possible to store code blocks within variables, using the lambda method
52 Mean and standard deviation
53 Mean without float conversion
54 Metaprogramming with String Evaluations
55 Method with
56 Method with three parameters
57 Mixed parameters and varied length parameter
58 Nested block logics
59 Overloading Methods
60 Pass full arrays to methods in Ruby, and return arrays as well
61 Passing a Variable Number of Arguments
62 Passing Arguments to a Method
63 Passing Data to Methods with or without parenthesis
64 Place a space between the pipes ( ) and the variable names
65 Prefixing the array with an asterisk
66 Print all the elements in an array using the each method followed by a block
67 Proc object picks up the surrounding environment when it is created
68 Provide different number of parameters for lambda
69 Raise ArgumentError
70 Raise exception based on parameter type
71 Recursive function call
72 Redefining Backquotes
73 Remove a method for an intance
74 Remove a new added method after calling
75 Return a binding
76 Return a lambda function
77 Return a Value from a Method
78 Return the index of the first occurrence of target within array or nil
79 Return two copies of x, if x is not nil
80 Return values from function without using return statement
81 Returning a Value from a Method
82 Returning Multiples Values from a Method
83 Ruby lets you store procedures or procs, as theyre called as objects, complete with their context
84 Ruby makes it easy to handle multiple return values - no need to work with arrays explicitly at all
85 Ruby returns the last value calculated, you can omit the return keyword if you want
86 Running a Code Block Periodically
87 Set arguments along with variable arguments
88 So not only can you pass arguments to a method, you can also pass code blocks - and the method can even pass arguments to that code
89 String interpolation with method call
90 Taking Mean
91 The parentheses in the call are optional
92 The yield Statement using the block_given method from Kernel
93 Track Median
94 Track Mode
95 Undefine a method with undef
96 Undefining a Method
97 Use code blocks with Ruby iterators like each, upto, downto, and times
98 Use def to define a function
99 Use lambda to create a block
100 Use lambda to create a list of function
101 Use method from String class to map a method from String to a method pointer
102 Use Method objects with iterators
103 Use Proc new to create a new method
104 Use Proc new, proc and lamda to create methods
105 Use proc to create a function
106 Uses Method objects
107 Variable Arguments
108 Write a simple function that returns members of the Fibonacci series up to a certain value
109 Writing a Method that Accepts a Block
110 Yield method automatically detects any passed code block and passes control to it
111 Yield with proc parameter
112 You can a function with or without parenthesis
113 You can call another function based on the return from this funtion call
114 You can pass data to code clocks used with methods simply by passing that data to the yield statement