Ryan Cahela RyanCahela
RyanCahela
/ StringMethodDrills
Created
December 23, 2018 22:31
String drills for Thinkful prep course
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| //Wise Person Drill | |
| https://repl.it/@Stompy32/Wiseperson-generator-drill | |
| //Shouter Drill | |
| https://repl.it/@Stompy32/shouter-drill | |
| //String Normalizer | |
| https://repl.it/@Stompy32/text-normalizer-drill |
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| //Area of a rectangle | |
| https://repl.it/@Stompy32/area-of-a-rectangle-drill | |
| //Temperature conversion | |
| https://repl.it/@Stompy32/temperature-conversion-drill | |
| //Is divisable drill | |
| https://repl.it/@Stompy32/Is-divisible-drill |
RyanCahela
/ Control Flow Drills
Created
December 24, 2018 04:22
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| //Traffic Light | |
| https://repl.it/@Stompy32/Traffic-lights-drill | |
| //Error Alert | |
| https://repl.it/@Stompy32/Error-alert-drill |
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| //Creating Arrays | |
| https://repl.it/@Stompy32/Creating-arrays-drill | |
| //Adding array items | |
| https://repl.it/@Stompy32/Adding-array-items-drills | |
| //Accessing array items | |
| https://repl.it/@Stompy32/Accessing-array-items-drill | |
| //Array length and access |
RyanCahela
/ More Array Drills
Created
January 1, 2019 23:13
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| //Array Copying I | |
| https://repl.it/@Stompy32/Array-copying-I-drill | |
| //Array Copying II | |
| https://repl.it/@Stompy32/Array-copying-II-drill | |
| //Squares with map | |
| https://repl.it/@Stompy32/Squares-with-map-drill | |
| //Sort |
RyanCahela
/ For Loops Drills
Created
January 2, 2019 02:49
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| //Max/min drill | |
| https://repl.it/@Stompy32/min-and-max-without-sort-drill | |
| //Compute the average | |
| https://repl.it/@Stompy32/average-drill | |
| //fizz buzz | |
| https://repl.it/@Stompy32/fizzbuzz-drill-js |
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| In javascript scope is the idea that variables are only accessible within a certain context. | |
| Where the variable is declared is considered to be its lexical scope. Variables created in the highest lexical scope | |
| otherwise known as the 'global scope' are gernerally considered a bad idea. Globals can potentially intoduce unintended | |
| variable assignment that make your program hard to reason about. If you are not careful declaring global variables can cause your functions to produce side effects. | |
| Function side effects are when a function changes something outside of its scope. Sometimes side effects are intentional such as saving data to a data base. | |
| When function side effects are unintentional is when bugs can arise. Its considered good practice to make your functions 'pure' (without side effects) unless you have a specific reason. | |
| We can utilize 'use strict'; in javascript as a safe guard agains creating global vaiables. When in strict mode the javascript engine will throw an error whenever a global variable is d |
RyanCahela
/ Object Drills 1
Created
January 3, 2019 15:43
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| //Object Creator | |
| https://repl.it/@Stompy32/RealisticGrimFactor | |
| //Object Updater | |
| https://repl.it/@Stompy32/Object-updater-drill | |
| //Self-Reference | |
| https://repl.it/@Stompy32/Self-reference-drill | |
| //Deleting Keys |
RyanCahela
/ Object Drills 2
Created
January 4, 2019 05:44
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| //Make student reports | |
| https://repl.it/@Stompy32/Make-student-reports-drill | |
| //Enroll in summer school | |
| https://repl.it/@Stompy32/Enroll-in-summer-school-drill | |
| //Find by id | |
| https://repl.it/@Stompy32/find-by-id-drill | |
| //Validate object keys |
RyanCahela
/ Challenge: analyze a most frequent word program
Created
January 4, 2019 06:11
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| function getTokens(rawString) { | |
| // NB: `.filter(Boolean)` removes any falsy items from an array | |
| //returns an array of words that are lowercase and sorted alphabetically | |
| return rawString.toLowerCase().split(/[ ,!.";:-]+/).filter(Boolean).sort(); | |
| } | |
| function mostFrequentWord(text) { | |
| let words = getTokens(text); | |
| //creates an empty object |
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