Other flashcards from Ruby :
Function of: FileUtils.mkdir_p       Ruby: How do you find the length of ...       Ruby: How do you close a file handle...       Ruby: What does the following code d...       Ruby: How do you count the occurence...       Ruby: What happens when you add a re...       Ruby: what does the code: File.unlink...       Ruby: How do you do a variable subst...       Ruby: Command line utility to produc...       Ruby: what is the "here document" sy...       Ruby: How do you do string concatena...       Ruby: Syntax to create an instance o...       Ruby: how do you reverse a string       How do you loop 3 times       Ruby: What does the keyword self ref...       Ruby: What is the difference between...       Ruby: Method to return a list of all...       How does Ruby handle the .each operat...       Ruby: How do you create an empty array       Ruby: String iterator to iterate on ...       Ruby;: Numeric operator that returns...       Ruby: How does the iterator sort_by ...       Ruby: Iterator that sorts an array b...       Ruby: Where does an object's singlet...       Ruby: Hash iterator that will call b...       Ruby: What is an object's singleton ...       Ruby: What is the klass pointer ever...       What is the following syntax used for...       Ruby: Method to return the last memb...       What is the following syntax doing: c...       Ruby: Function of Binding class       Ruby: How do you add a module's code...       Ruby: What were the bit operators fo...       Ruby: Method that gives a list of cl...       Ruby: Iterator method that passes co...       Ruby: Method that is the object inst...       Ruby: Method to return the index of ...       Ruby: Class method that puts you ins...       Method to do a strict conversion to a...       Ruby: Technique for creating a metho...       Method to do a strict converstion to ...       If you have a Proc object (procedure ...       Ruby: How can you concatenate 2 arrays       Ruby: What is the difference between...       Ruby: Delete a named directory       Ruby: What is the keyword proc an al...       Ruby: Method to do a strict conversi...       Ruby: How can you grab a reference t...       What does array method arr.pack metho...       Ruby: How can you move a method call...       Ruby: Grab an array of all filenames...       Ruby: How can you grab a reference to...       Ruby: how do you change the current w...       Ruby: How can you intercept calls to...       Ruby: How can you determine if objec...       Ruby: What is the difference between...       Ruby: Hook to run code when a module...       Hook to run code when a class is firs...       Ruby: Difference between to_i and to...       Ruby: callback to run code when a mod...       Method to do a strict conversion to a...       Ruby: How do you make a helper avail...       Ruby: method to do a strict conversio...       Ruby: What is the function of coerce...       Ruby: How can you dynamically add a ...       Ruby: How can you build a class inli...       Ruby: How do you define accessors fo...       Ruby: All class names (built in and ...       Ruby: method to evaluate a string as...       What global variable controls Ruby's ...       Ruby: How can you see if an object i...       Ruby: How can you force any object t...       Ruby: How can you remove the taint f...       Ruby: How can you traverse all the l...       Ruby: Query an object to see if it w...       Get a list of all the methods to whic...       Ruby: Get the parent of any particul...       Ruby: Ask an object to execute a met...       Ruby: If you have an method object (...       Syntax to do a set intersection betwe...       Ruby: Syntax to create a new array t...       Ruby: How can you do set difference ...       Ruby: How can you do set union with ...       Ruby: What is the .assoc method do i...       Syntax to get an element from an arra...       Ruby: Remove all elements from an array       Ruby: Array iterator that invokes a ...       Removes nil values from array       Ruby: Concatenate arrays together       Ruby: delete items from array that ar...       Ruby: Delete the element at the spec...       Ruby: Delete every element from arra...       Ruby: Array iterator that imitates e...       Ruby: Array method that returns true...       What is the array method arr.fetch do       Ruby: what is an iterator that fills ...       Ruby: Returns the first element or c...       Ruby: array method that returns a one...       Ruby: Method to test if array includ...       Ruby: Method to insert objects into ...       Ruby: Method to return the number of...       Ruby: methods to append an item to an...       Ruby: What is the array method arr.r...       Ruby: Method to replace the contents...       Ruby: Method to reverse the order of...       Iterator similar to .each but travers...       Ruby: Method that returns the index ...       Ruby: Method that returns first obje...       Method that assumes an arr is an arra...       Ruby: method that returns an array wi...       Ruby: Method that appends an object(...       Ruby: Method that returns the values...       Ruby: What does referencing an integ...       Ruby: What is the .quo method on numb...       Ruby: How can you get the remainder ...       Ruby: Method to determine if object ...       Ruby: Function of the Continuation c...       Ruby: Get the string name of current...       Ruby: Get filenames found by expandi...       Ruby: Make a new directory       Ruby: Iterator method that passes co...       Ruby: Iterator that passes each entr...       Ruby: iterator similar to .each but p...       Ruby: Iterator that returns an array...       Ruby: Returns an array of every elem...       Ruby: Return true if any member of e...       Ruby: Iterator used to partition a c...       Ruby: Iterator that will return an a...       Ruby: Numeric operator that returns ...       Ruby: Floating object method to retu...       Ruby: Floating point method that ret...       Module that provides interface to Rub...       Hash iterator that will call the bloc...             Ruby: Hash method to determine if va...       Hash method that returns array of keys       Ruby: Hash method to merge in anothe...       Ruby: Hash method to rebuild index i...       Ruby: How is a constant created       Ruby: How are variables created       Ruby: How are comments denoted       Ruby: What is the difference between...       Ruby: What is the convention on meth...       Ruby: How is a instance variable in ...       Ruby: How do you create an instance ...       Ruby - define: mixins       Ruby: How do you create reader and w...       Ruby: How do you create static varia...       Ruby: Syntax for class inheritance       Ruby: Convert a object to Float type       Ruby: Grab a list of signal names ma...       Ruby: Grab the process ID of this pr...       Ruby: Replace the current process by...       Ruby: Match methods to return pre-se...       Ruby: Convert an object to String type       What is the following doing: str % arg       Ruby: Hash method that returns an ar...       Ruby: Integer method to return a str...       Ruby: What is .succ method do       Convert an object to Integer type       Ruby: Method that terminates executi...       Ruby: Register a block of code to ru...       Ruby: How do you do formatted output       Ruby: Return an array of the global ...       Ruby: Generate random number       Ruby: What are unary plus and minus o...       Ruby: How do you get the ID for an o...       Ruby: How do you convert an object I...       Ruby: Proc object method to return t...       Ruby: Specify the handling of system...       Ruby: What does: "Ho! " * 3 do       Ruby: String method to do a case ins...       Ruby: String method to center text w...       String method that chops off the last...       Ruby: String method to insert anothe...       Ruby: String method to return the Sym...       Ruby: String methods to right and le...       String methods to strip trailing/ pre...       Ruby: String method to replace strin...       Ruby: String method that returns the...       Ruby: String method to scan for a ma...       Ruby: String method to swap the case...       Ruby: String method to perform trans...       What is Ruby class for handling time/...       What is the Curses library       What is the dRuby library       Ruby: What library helps with creati...       Ruby: Shortcut for creating simple a...       Ruby: 2 ways to create an array object       How do you convert a Range object to ...       Ruby: Syntax to count from 2 to 7 in...       Ruby: Range iterator method that will...       Ruby: How do you create a subclass       Ruby: Syntax to count down from 99 t...       Ruby: what is the function of the .c...       Ruby: What is the following syntax d...       What is the function of the .find ite...       Ruby: How do you split a string base...       Ruby: String method that trims runs ...       How can you prevent anyone from chang...       Ruby: How do you get the name of the...       Ruby: how may an iterator block pass ...       Ruby: What is the following syntax d...       Ruby: Print variables under the cont...       Ruby: Function that returns the next...       What function is called by default wh...       What message does Ruby send to any ob...       Ruby: What method can be called on a...       Ruby: how do you invoke the methods o...       Ruby: Shortcut in class to create ac...       Ruby: difference between :fox and fox       Ruby: How can you make an class insta...       Ruby: How do you create a class metho...       Ruby: Method to reverse the letters ...       Ruby: How can you create a class bas...       Ruby: Difference between "protected"...       Ruby: what are 2 ways to set up the a...       What does a variable represent in Rub...       Ruby: Method that allows to make ano...       Ruby: What does indexing an array wi...       What does indexing an array with foll...       Ruby: Keyword that returns reference...       Define: Ruby iterator       Ruby: How do you pass a variable whe...       Ruby: What is the function of .each ...       Ruby: What is the function of .injec...       Ruby: How can you find out within a ...       Ruby: What does appending an ampersa...       Ruby: Function that converts a block...       Ruby: How would you indicate a numbe...       Ruby: what character is ignored in di...       Ruby: How can you generate the integ...       Ruby: Syntax for counting in steps f...       Ruby: How do you convert a string to...       Ruby: what does the %q and %Q delimit...       Ruby: how do you remove a trailing ne...       Ruby: String method that is upgrade ...       Ruby: string method to make string al...       Ruby: what are 2 ways to create a Ra...       Ruby: Range method that determines i...       Range methods that return the minimum...       Ruby: what is the spaceship operator ...       Ruby: How can you make an object you...       Ruby: Syntax to test to see if a val...       Ruby: What is the match operator for...       Ruby: What is the not match operator...       Ruby: Syntax for running a match on ...       Ruby: What variable receives the par...       Ruby: What 2 variables receive the p...       What character is used for escaping o...       Ruby: How do you force a regular exp...       Ruby: How do you negate a character ...       Regular expression syntax to match ze...       Regular expression syntax to match on...       Regular expression syntax to match at...       Regular expression syntax to match at...       Regular expression syntax to match ex...       Ruby: How would you pass in a variab...       Ruby: Statement to restart running a...       Ruby: How do you keep a .join call o...       Ruby: How can you ensure a block of ...       How do you reference a method in a mo...       Ruby: Statement to make loop repeat ...       Ruby: How do you reraise an error wh...       Ruby: what objects behave like IO but...       Ruby: Array method to pack the conte...       Ruby: What is main mechanism to allo...       Ruby: What is the following code doi...       Ruby: How can you open an existing file       Ruby: Simple method to create per-th...       If you need to run a system command b...       Ruby: IO method that takes the name o...       Ruby: Statement to end a program and...       Ruby: How can you create a method th...       Ruby: How do you define optional par...       How can you explode an array so that ...       Ruby: How can you get a string to be...       Ruby: What would the following code ...       What is the Ruby definition of false ...       Ruby: What is the eql? operator       Ruby: what is the equal? operator       Ruby: What is the following syntax d...       Ruby: What is the syntax for case st...       Ruby: How can you stop execution of ...       Ruby: Statement to skip to the end o...       Ruby: If you make your own exception...       Ruby: How would you print something ...       What global variable does Ruby places...       Ruby: How can you reraise the except...       Ruby: How can you create a variable ...       Ruby: How can you get a code block t...       Ruby: how do you raise a RuntimeError...       Ruby: How do you raise a particular ...       Ruby: How does the catch and throw m...       How does ruby create namespaces to al...       Ruby: Can a module have instances       Ruby: If you want to use code in a m...       Ruby: How do you add a mixin to a class       Ruby: What is difference between loa...       Ruby: What is the single base class ...       Ruby: How do you create a new file t...       Ruby: Method to read a line from a file       Ruby: Iterator method to invoke a bl...       Ruby: Iterator method to call a bloc...       Ruby: string method that produces a v...       Ruby: IO method to retrieve an entir...       IO method that can retrieve an entire...       Operator to append an object to the o...       Ruby: How are new threads created       Ruby: How do you wait for a particul...       How do you find the current code's th...       Ruby: How do you get a list of all t...       Ruby: What determines behavior if a ...       Ruby: method to stop the current thread       Ruby: Method to arrange for a partic...       Ruby: Method that deschedules the cu...       What class is useful as an enhancemen...       What is the difference between system...       Ruby: How can you send an end-of-fil...       Ruby: How can you send a subprocess ...       Ruby: When using built in Unit testi...       Ruby: What 2 methods can be created ...       How do you run Ruby in debug mode       Ruby: How do you run scripts with wa...       Ruby: How do you add profiling to code       How can you check the syntax of ruby ...       Ruby: How do you access operating sys...       What is the built in tool that extrac...       Ruby: What is the standardized packa...       Ruby: How can you determine if a gem ...       Ruby gem: How do you install a package       How can you run Ruby in UTF-8 charact...       Ruby: How do you set up multi-line c...       Ruby: how can you set up code to be r...       Ruby: 2 basic integer types and diffe...       Ruby: How can you generate the integ...       Ruby: How do make a regular expressi...       Ruby: How do you name a global variable       Ruby: how do you access a class Const...       Ruby: What is the operator for expon...       Ruby: How to create a new name that ...       Ruby: Helper function to setup readi...       Ruby: How do you add a mixin to a class       Define: duck typing       Ruby: If you call a function with a ...       Ruby: When in irb (interactive) mode...       Ruby - What is the difference between...       Ruby: What does a hash return by def...       Ruby: Method to replace first instan...       Ruby: How do you create a regular ex...       Ruby: Syntax for the else if part of...       Ruby: how do you call a function with...       Ruby: Syntax to return a value from ...       Ruby: 2 statements to show output to...       Ruby: How do you create an array       Ruby: How do you grab a line of keyb...       Ruby: how do you access elements in ...       Ruby: how do you output an inspect st...       Ruby: Shortcut for forming an array ...       Ruby: Array method to determine if a...       Ruby: Array method to determine numb...       Ruby: Array methods to return first ...       Ruby: Array method to remove the nam...       How can you access the ruby documenta...       Ruby: how do you create a hash object...       Ruby: how do you get a list of all ke...       Ruby: how do you get a list of all va...       Ruby: What is a shortcut to specify ...       Syntax to substitute Ruby code into s...       Ruby: Method to do string substituti...       Method that returns true if a String ...       Ruby: Method to return a section of S...       Ruby: Method to round off a number       Ruby: Method to determine if number ...       Ruby: define symbol and how to create       Ruby: how do you convert from String ...       Define: nil       Ruby: 2 basic conditional constructs       Ruby: 3 types of loops       Ruby: syntax for - for loop       Define: Ruby blocks and show construc...       Command line utility to allow you to ...       Ruby: how to serialize an object int...       Ruby: how to unserialize an YAML object       Ruby: how to turn a JSON string back ...       Ruby: how to serialize / deserialize ...       Ruby: what are the performance differ...