Other flashcards from Ruby :
Function of: FileUtils.mkdir_p       How do you find the length of a strin...       How do you close a file handle that h...       What does the following code do: File...       How do you count the occurences of 'i...       What happens when you add a require s...       What does the code: File.unlink("file...       How do you do a variable substitution...       Command line utility to produce docum...       What is the "here document" syntax to...       How do you do string concatenation       Syntax to create an instance of class...       How do you reverse a string       How do you loop 3 times       What does the keyword self refer to a...       What is the difference between "Three...       Ruby: Method to return a list of all...       How does Ruby handle the .each operat...       How do you create an empty array       String iterator to iterate on every c...       Numeric operator that returns the sym...       How does the iterator sort_by work       Iterator that sorts an array based on...       Ruby: Where does an object's singlet...       Hash iterator that will call block wi...       What is an object's singleton class?       What is the klass pointer every objec...       What is the following syntax used for...       Method to return the last member or l...       What is the following syntax doing: c...       Function of Binding class       How do you add a module's code to an ...       What were the bit operators for numbe...       Method that gives a list of classes a...       Iterator method that passes collectio...       Method that is the object instance eq...       Method to return the index of first o...       Class method that puts you inside the...       Method to do a strict conversion to a...       Technique for creating a method dynam...       Method to do a strict converstion to ...       If you have a Proc object (procedure ...       Ruby: How can you concatenate 2 arrays       What is the difference between a meth...       Delete a named directory       What is the keyword proc an alias for       Method to do a strict conversion to a...       How can you grab a reference to a met...       What does array method arr.pack metho...       How can you move a method call from o...       Grab an array of all filenames in a g...       Ruby: How can you grab a reference t...       Ruby: how do you change the current w...       How can you intercept calls to method...       Ruby: How can you determine if objec...       What is the difference between to_s a...       Hook to run code when a module is inc...       Hook to run code when a class is firs...       Difference between to_i and to_int       Ruby: callback to run code when a mod...       Method to do a strict conversion to a...       Ruby: How do you make a helper avail...       Method to do a strict conversion to a...       What is the function of coerce method       Ruby: How can you dynamically add a ...       How can you build a class inline for ...       How do you define accessors for readi...       All class names (built in and user cr...       Method to evaluate a string as an exe...       What global variable controls Ruby's ...       How can you see if an object is tainted       How can you force any object to be ta...       How can you remove the taint from an ...       Ruby: How can you traverse all the l...       Query an object to see if it will act...       Get a list of all the methods to whic...       Get the parent of any particular class       Ask an object to execute a method cal...       Ruby: If you have an method object (...       Syntax to do a set intersection betwe...       Syntax to create a new array that is ...       How can you do set difference between...       Ruby: How can you do set union with ...       What is the .assoc method do in an ar...       Syntax to get an element from an arra...       Remove all elements from an array       Ruby: Array iterator that invokes a ...       Removes nil values from array 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with all...       Method that appends an object(s) to b...       Method that returns the values at an ...       What does referencing an integer with...       Ruby: What is the .quo method on numb...       How can you get the remainder of a di...       Method to determine if object is betw...       Function of the Continuation class       Get the string name of current workin...       Ruby: Get filenames found by expandi...       Make a new directory       Iterator method that passes collectio...       Iterator that passes each entry to bl...       Iterator similar to .each but passes ...       Iterator that returns an array contai...       Ruby: Returns an array of every elem...       Return true if any member of enum equ...       Iterator used to partition a collecti...       Iterator that will return an array fo...       Numeric operator that returns the nam...       Floating object method to return smal...       Floating point method that returns th...       Module that provides interface to Rub...       Hash iterator that will call the bloc...             Hash method to determine if value is ...       Hash method that returns array of keys       Hash method to merge in another hash       Hash method to rebuild index in case ...       How is a constant created       How are variables created       How are comments denoted       What is the difference between fox.up...       What is the convention on methods tha...       How is a instance variable in a class...       How do you create an instance method ...       Define: mixins       How do you create reader and writer m...       How do you create static variables in...       Syntax for class inheritance       Convert a object to Float type       Grab a list of signal names mapped to...       Grab the process ID of this process       Replace the current process by runnin...       Match methods to return pre-selected,...       Convert an object to String type       What is the following doing: str % arg       Hash method that returns an array of ...       Integer method to return a string con...       What is .succ method do       Convert an object to Integer type       Method that terminates execution imme...       Register a block of code to run at ex...       How do you do formatted output       Return an array of the global variables       Generate random number       Ruby: What are unary plus and minus o...       Ruby: How do you get the ID for an o...       How do you convert an object ID to a ...       Ruby: Proc object method to return t...       Specify the handling of system signals       What does: "Ho! 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operator       What is the equal? operator       What is the following syntax do: mon,...       What is the syntax for case statements       How can you stop execution of a loop       Statement to skip to the end of the l...       If you make your own exception classe...       How would you print something to the ...       What global variable does Ruby places...       How can you reraise the exception in ...       How can you create a variable to rece...       How can you get a code block to be re...       How do you raise a RuntimeError with ...       How do you raise a particular Excepti...       How does the catch and throw mechanis...       How does ruby create namespaces to al...       Can a module have instances       If you want to use code in a module i...       How do you add a mixin to a class       What is difference between load and r...       What is the single base class to hand...       How do you create a new file to read/...       Method to read a line from a file       Iterator method to invoke a block for...       Iterator method to call a block with ...       Ruby: string method that produces a v...       IO method to retrieve an entire file ...       IO method that can retrieve an entire...       Operator to append an object to the o...       How are new threads created       How do you wait for a particular thre...       How do you find the current code's th...       How do you get a list of all the prog...       What determines behavior if a thread ...       Method to stop the current thread       Method to arrange for a particular th...       Method that deschedules the current t...       What class is useful as an enhancemen...       What is the difference between system...       How can you send an end-of-file to st...       How can you send a subprocess off on ...       When using built in Unit testing what...       What 2 methods can be created to run ...       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...       What is the standardized packaging an...       Ruby: How can you determine if a pac...       How do you install a package       How can you run Ruby in UTF-8 charact...       Ruby: How do you set up multi-line c...       How can you set up code to be run bef...       2 basic integer types and difference       How can you generate the integer valu...       How do make a regular expression matc...       Ruby: How do you name a global variable       How do you access a class Constant ou...       What is the operator for exponentiation       How to create a new name that refers ...       Helper function to setup reading and ...       How do you add a mixin to a class       Define: duck typing       If you call a function with a code bl...       When in irb (interactive) mode how do...       What is the difference between $var, ...       What does a hash return by default if...       Method to replace first instance of a...       How do you create a regular expression       Ruby: Syntax for the else if part of...       How do you call a function with a cod...       Syntax to return a value from function       2 statements to show output to the us...       How do you create an array       How do you grab a line of keyboard in...       How do you access elements in arrays       How do you output an inspect string o...       Shortcut for forming an array from a ...       Array method to determine if array ha...       Array method to determine number of e...       Array methods to return first and las...       Array method to remove the named elem...       How can you access the ruby documenta...       How do you create a hash object       How do you get a list of all keys of ...       How do you get a list of all values i...       What is a shortcut to specify string ...       Syntax to substitute Ruby code into s...       Method to do string substitution for ...       Method that returns true if a String ...       Ruby: Method to return a section of S...       Method to round off a number       Method to determine if number is zero       Define: Symbol and how to create       How do you convert from String to Sym...       Define: nil       2 basic conditional constructs       3 types of loops       Syntax for for loop       Define: Ruby blocks and show construc...       Command line utility to allow you to ...