React.js Basics document is summarized as follows:
[1] The document demonstrates how to build a React component to display speaker data grouped into rows, including conditionally displaying additional info for a selected speaker.
[2] It shows an initial proof of concept rendering static data, then fetching data asynchronously and handling the initial empty state.
[3] Child components are built to display each row and speaker, and functionality is added to track a selected speaker and display additional info.
This provides a concise overview of the key aspects covered in the React basics document, including component structure, asynchronous data handling, and adding interactivity.
The document discusses basic inheritance in Python. It explains that all classes inherit from the base Object class. Inheritance allows creating subclasses that inherit attributes and methods from a parent superclass. This allows code reuse and adding specialized behavior. An example creates a Contact class to store names and emails, with a Supplier subclass that adds an "order" method. A SupplierCheck subclass then overrides the order method to check the customer balance before processing orders.
Casting for not so strange Actos
- A presentation about the Actors pattern and a look at prototypes in 4 different programming languages - Jruby (Celluloid), Erlang, Elixir and Scala (Akka)
- Presented in "Strange Group Berlin" meetup on 12.03.2015 held at 6Wunderkinder
This document discusses lists and dictionaries in Python. It provides definitions and examples of lists, including how to add and remove elements from lists. It also discusses sorting lists and getting the length of lists. Examples are provided for integrating lists with loops. The document then discusses dictionaries, including how to represent them and retrieve values from dictionaries using keys. Examples are provided for using loops to print keys and values from dictionaries. It also discusses modules like NumPy and Pandas that can be imported in Python.
What I learned from Seven Languages in Seven Weeks (IPRUG)Kerry Buckley
This document discusses seven programming languages that the author learned over seven weeks: Ruby, Io, Prolog, Scala, Erlang, Clojure, and Haskell. For each language, it provides a brief description and comparison of the language's features, strengths, and weaknesses. It discusses concepts like variables, functions, objects, concurrency, and more for each programming paradigm. The document aims to compare and contrast the languages at a high level based on the author's experiences learning them.
The document provides an overview of the Laravel framework's Eloquent ORM and database operations. It discusses how to define Eloquent models and perform common CRUD operations and queries. It also covers relationships, scopes, eager loading, and other features of working with databases using Eloquent.
Ruby and rails - Advanced Training (Cybage)Gautam Rege
This document outlines the agenda for a two-day Ruby on Rails advanced training course. Day 1 will cover Ruby basics like syntax, classes, modules and metaprogramming. It will also discuss Rails concepts like design patterns, ActiveSupport Concern, and Rails engines. Day 2 will involve discussing applications, gems, resolving problems, ActiveResource, security, caching and performance monitoring. The document also includes examples demonstrating Ruby concepts like objects, closures, exceptions and SOLID principles.
David Kopal - Unleash the power of the higher-order componentsOdessaJS Conf
The document describes how to create reusable React components using higher-order components (HoCs). It shows an example of a FilteredList component that is not reusable because it contains both presentation and logic. It then refactors it to separate the logic and presentation by creating a DisplayList component for the presentation and a withFilterProps HoC that handles the filtering logic and passes the filtered data as props to the DisplayList component, making both components reusable.
The document discusses basic inheritance in Python. It explains that all classes inherit from the base Object class. Inheritance allows creating subclasses that inherit attributes and methods from a parent superclass. This allows code reuse and adding specialized behavior. An example creates a Contact class to store names and emails, with a Supplier subclass that adds an "order" method. A SupplierCheck subclass then overrides the order method to check the customer balance before processing orders.
Casting for not so strange Actos
- A presentation about the Actors pattern and a look at prototypes in 4 different programming languages - Jruby (Celluloid), Erlang, Elixir and Scala (Akka)
- Presented in "Strange Group Berlin" meetup on 12.03.2015 held at 6Wunderkinder
This document discusses lists and dictionaries in Python. It provides definitions and examples of lists, including how to add and remove elements from lists. It also discusses sorting lists and getting the length of lists. Examples are provided for integrating lists with loops. The document then discusses dictionaries, including how to represent them and retrieve values from dictionaries using keys. Examples are provided for using loops to print keys and values from dictionaries. It also discusses modules like NumPy and Pandas that can be imported in Python.
What I learned from Seven Languages in Seven Weeks (IPRUG)Kerry Buckley
This document discusses seven programming languages that the author learned over seven weeks: Ruby, Io, Prolog, Scala, Erlang, Clojure, and Haskell. For each language, it provides a brief description and comparison of the language's features, strengths, and weaknesses. It discusses concepts like variables, functions, objects, concurrency, and more for each programming paradigm. The document aims to compare and contrast the languages at a high level based on the author's experiences learning them.
The document provides an overview of the Laravel framework's Eloquent ORM and database operations. It discusses how to define Eloquent models and perform common CRUD operations and queries. It also covers relationships, scopes, eager loading, and other features of working with databases using Eloquent.
Ruby and rails - Advanced Training (Cybage)Gautam Rege
This document outlines the agenda for a two-day Ruby on Rails advanced training course. Day 1 will cover Ruby basics like syntax, classes, modules and metaprogramming. It will also discuss Rails concepts like design patterns, ActiveSupport Concern, and Rails engines. Day 2 will involve discussing applications, gems, resolving problems, ActiveResource, security, caching and performance monitoring. The document also includes examples demonstrating Ruby concepts like objects, closures, exceptions and SOLID principles.
David Kopal - Unleash the power of the higher-order componentsOdessaJS Conf
The document describes how to create reusable React components using higher-order components (HoCs). It shows an example of a FilteredList component that is not reusable because it contains both presentation and logic. It then refactors it to separate the logic and presentation by creating a DisplayList component for the presentation and a withFilterProps HoC that handles the filtering logic and passes the filtered data as props to the DisplayList component, making both components reusable.
Object Oriented Programming with PHP 5 - More OOPWildan Maulana
The document discusses object-oriented programming concepts in PHP 5 such as class information functions, checking if a class exists, finding loaded classes, checking for methods and properties, class types, and class names. It also covers exception handling, iterators, the ArrayObject class, serialization, cloning, autoloading classes, and method chaining in PHP 5 OOP.
How to Become a Tree Hugger: Random Forests and Predictive Modeling for Devel...Matt Harrison
Python makes data science easy. In this deck we walk through a complete example of creating and evaluating a predictive model using Decision Trees and Random Forests. All of the code is included in the slides.
Inheritance and Polymorphism in Python. Inheritance is a mechanism which allows us to create a new class – known as child class – that is based upon an existing class – the parent class, by adding new attributes and methods on top of the existing class.
Banishing Loops with Functional Programming in PHPDavid Hayes
From a talk I've given a few time sat programming conferences about making your code better with functional programming principles. The example code is all PHP
Analysis of Fatal Utah Avalanches with Python. From Scraping, Analysis, to In...Matt Harrison
I gave this presentation at Code Camp. As a data scientist and backcountry skier, I was interested in looking at fatal avalanche data. This covers scraping the data, analysis with Python, pandas and IPython Notebook. The final result is an infographic
The document discusses object-oriented programming concepts in PHP, including classes, objects, methods, properties, inheritance, and polymorphism. It provides examples of defining classes and using them to instantiate objects. Key concepts covered are class definitions, creating object instances, accessing object properties and methods, inheritance between classes, and overriding methods in child classes.
This document provides an overview of Drupal's database API for interacting with databases. It discusses static and dynamic queries, including how to perform select, insert, update, and delete queries. It also covers altering queries, working with multiple databases, and how other modules can modify queries. The key points are that the API provides abstraction from the database, supports dynamic query construction, enforces security, and allows intercepting and modifying queries.
The Query the Whole Query and Nothing but the QueryChris Olbekson
The document discusses WordPress queries and the $wp_query object. It explains that $wp_query represents the main query and stores information about the current request. It advises against using query_posts() to alter the main query, as it overrides $wp_query and can cause issues. Instead, it recommends using pre_get_posts to modify the main query or creating a secondary query with WP_Query or get_posts() for other queries. It also notes some best practices for resetting post data when performing secondary queries.
This document discusses the principle of separation of concerns in software engineering. It provides an overview of separation of concerns and how it relates to breaking programs into distinct and separate areas of responsibility. The document then provides several examples of how to apply separation of concerns through different techniques like horizontal separation by layer (presentation, business, data), vertical separation by module, aspect-oriented programming for cross-cutting concerns, and dependency inversion. The benefits highlighted include increased reusability, maintainability, code quality, and understandability of the application.
This document provides information about arrays in PHP. It discusses numeric arrays, associative arrays, and multidimensional arrays. It explains how to create, iterate through, modify, and handle arrays in PHP. Various functions are described, including count(), print_r(), foreach(), array_slice(), and array_merge(). Multidimensional arrays are given as examples to demonstrate nested arrays and how to access elements within them using loops. Methods for splitting and merging arrays are also covered.
The document discusses improving code quality through object calisthenics and readability tips. Object calisthenics are a set of simple exercises to help internalize principles of object-oriented design, like having only one level of indentation per method. Readability tips include writing code that minimizes the time for others to understand it, using single line if statements for simple operations, and returning early from functions. Native PHP functions are also preferable for performance over pure PHP implementations.
The document provides five rules for presenting code in slides: 1) Use a monospaced font for readability, 2) Use large fonts that are visible from the back of the room, 3) Only highlight syntax where needed to avoid walls of text, 4) Use ellipses (...) to remove unnecessary code, and 5) Add annotations to draw attention to specific parts of the code. It then demonstrates these rules by presenting an example of using promises in JavaScript to avoid nested callbacks.
In 2010, I told everyone how to start unit testing Zend Framework applications. In 2011, let’s take this a step further by testing services, work flows and performance. Looking to raise the bar on quality? Let this talk be the push you need to improve your Zend Framework projects.
GDI Seattle - Intro to JavaScript Class 2Heather Rock
This document provides an introduction to JavaScript arrays, objects, and methods. It explains that arrays can hold ordered lists of values of any type and that their length property reports the size. Objects store collections of properties and methods, and values can be accessed and updated using dot or bracket notation. Methods are functions associated with objects that can affect or return values. Loops like for can be used to iterate through arrays and arrays of objects. The this keyword refers to the owner of a method. Examples are provided for creating, accessing, and updating arrays and objects and using methods within objects.
در این جلسه به بررسی بحث برنامه نویسی شی گرا و کلاس ها در پایتون پرداختیم
PySec101 Fall 2013 J7E1 By Mohammad Reza Kamalifard
Talk About:
Object oriented programming and Classes in Python
This document describes the Database Abstraction Layer (DBTNG) introduced in Drupal 7. DBTNG provides a unified API for database queries that works across different database backends like MySQL, PostgreSQL, and SQLite. It supports both static and dynamic queries. Static queries use placeholders and prepared statements for security, while dynamic queries are built programmatically using a query builder object. Methods are provided for SELECT, INSERT, UPDATE, DELETE, and MERGE queries. Transactions and reading from slave databases are also supported.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
The document discusses Scala and functional programming concepts. It provides examples of building a chat application in 30 lines of code using Lift, defining messages as case classes, and implementing a chat server and comet component. It then summarizes that Scala is a pragmatically-oriented, statically typed language that runs on the JVM and provides a unique blend of object-oriented and functional programming. Traits allow for code reuse and multiple class inheritances. Functional programming concepts like immutable data structures, higher-order functions, and for-comprehensions are discussed.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
The document discusses Scala and functional programming concepts. It provides examples of building a chat application in 30 lines of code using Lift, defining case classes and actors for messages. It summarizes that Scala is a pragmatically oriented, statically typed language that runs on the JVM and has a unique blend of object-oriented and functional programming. Functional programming concepts like immutable data structures, functions as first-class values, and for-comprehensions are demonstrated with examples in Scala.
Object Oriented Programming with PHP 5 - More OOPWildan Maulana
The document discusses object-oriented programming concepts in PHP 5 such as class information functions, checking if a class exists, finding loaded classes, checking for methods and properties, class types, and class names. It also covers exception handling, iterators, the ArrayObject class, serialization, cloning, autoloading classes, and method chaining in PHP 5 OOP.
How to Become a Tree Hugger: Random Forests and Predictive Modeling for Devel...Matt Harrison
Python makes data science easy. In this deck we walk through a complete example of creating and evaluating a predictive model using Decision Trees and Random Forests. All of the code is included in the slides.
Inheritance and Polymorphism in Python. Inheritance is a mechanism which allows us to create a new class – known as child class – that is based upon an existing class – the parent class, by adding new attributes and methods on top of the existing class.
Banishing Loops with Functional Programming in PHPDavid Hayes
From a talk I've given a few time sat programming conferences about making your code better with functional programming principles. The example code is all PHP
Analysis of Fatal Utah Avalanches with Python. From Scraping, Analysis, to In...Matt Harrison
I gave this presentation at Code Camp. As a data scientist and backcountry skier, I was interested in looking at fatal avalanche data. This covers scraping the data, analysis with Python, pandas and IPython Notebook. The final result is an infographic
The document discusses object-oriented programming concepts in PHP, including classes, objects, methods, properties, inheritance, and polymorphism. It provides examples of defining classes and using them to instantiate objects. Key concepts covered are class definitions, creating object instances, accessing object properties and methods, inheritance between classes, and overriding methods in child classes.
This document provides an overview of Drupal's database API for interacting with databases. It discusses static and dynamic queries, including how to perform select, insert, update, and delete queries. It also covers altering queries, working with multiple databases, and how other modules can modify queries. The key points are that the API provides abstraction from the database, supports dynamic query construction, enforces security, and allows intercepting and modifying queries.
The Query the Whole Query and Nothing but the QueryChris Olbekson
The document discusses WordPress queries and the $wp_query object. It explains that $wp_query represents the main query and stores information about the current request. It advises against using query_posts() to alter the main query, as it overrides $wp_query and can cause issues. Instead, it recommends using pre_get_posts to modify the main query or creating a secondary query with WP_Query or get_posts() for other queries. It also notes some best practices for resetting post data when performing secondary queries.
This document discusses the principle of separation of concerns in software engineering. It provides an overview of separation of concerns and how it relates to breaking programs into distinct and separate areas of responsibility. The document then provides several examples of how to apply separation of concerns through different techniques like horizontal separation by layer (presentation, business, data), vertical separation by module, aspect-oriented programming for cross-cutting concerns, and dependency inversion. The benefits highlighted include increased reusability, maintainability, code quality, and understandability of the application.
This document provides information about arrays in PHP. It discusses numeric arrays, associative arrays, and multidimensional arrays. It explains how to create, iterate through, modify, and handle arrays in PHP. Various functions are described, including count(), print_r(), foreach(), array_slice(), and array_merge(). Multidimensional arrays are given as examples to demonstrate nested arrays and how to access elements within them using loops. Methods for splitting and merging arrays are also covered.
The document discusses improving code quality through object calisthenics and readability tips. Object calisthenics are a set of simple exercises to help internalize principles of object-oriented design, like having only one level of indentation per method. Readability tips include writing code that minimizes the time for others to understand it, using single line if statements for simple operations, and returning early from functions. Native PHP functions are also preferable for performance over pure PHP implementations.
The document provides five rules for presenting code in slides: 1) Use a monospaced font for readability, 2) Use large fonts that are visible from the back of the room, 3) Only highlight syntax where needed to avoid walls of text, 4) Use ellipses (...) to remove unnecessary code, and 5) Add annotations to draw attention to specific parts of the code. It then demonstrates these rules by presenting an example of using promises in JavaScript to avoid nested callbacks.
In 2010, I told everyone how to start unit testing Zend Framework applications. In 2011, let’s take this a step further by testing services, work flows and performance. Looking to raise the bar on quality? Let this talk be the push you need to improve your Zend Framework projects.
GDI Seattle - Intro to JavaScript Class 2Heather Rock
This document provides an introduction to JavaScript arrays, objects, and methods. It explains that arrays can hold ordered lists of values of any type and that their length property reports the size. Objects store collections of properties and methods, and values can be accessed and updated using dot or bracket notation. Methods are functions associated with objects that can affect or return values. Loops like for can be used to iterate through arrays and arrays of objects. The this keyword refers to the owner of a method. Examples are provided for creating, accessing, and updating arrays and objects and using methods within objects.
در این جلسه به بررسی بحث برنامه نویسی شی گرا و کلاس ها در پایتون پرداختیم
PySec101 Fall 2013 J7E1 By Mohammad Reza Kamalifard
Talk About:
Object oriented programming and Classes in Python
This document describes the Database Abstraction Layer (DBTNG) introduced in Drupal 7. DBTNG provides a unified API for database queries that works across different database backends like MySQL, PostgreSQL, and SQLite. It supports both static and dynamic queries. Static queries use placeholders and prepared statements for security, while dynamic queries are built programmatically using a query builder object. Methods are provided for SELECT, INSERT, UPDATE, DELETE, and MERGE queries. Transactions and reading from slave databases are also supported.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
The document discusses Scala and functional programming concepts. It provides examples of building a chat application in 30 lines of code using Lift, defining messages as case classes, and implementing a chat server and comet component. It then summarizes that Scala is a pragmatically-oriented, statically typed language that runs on the JVM and provides a unique blend of object-oriented and functional programming. Traits allow for code reuse and multiple class inheritances. Functional programming concepts like immutable data structures, higher-order functions, and for-comprehensions are discussed.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
The document discusses Scala and functional programming concepts. It provides examples of building a chat application in 30 lines of code using Lift, defining case classes and actors for messages. It summarizes that Scala is a pragmatically oriented, statically typed language that runs on the JVM and has a unique blend of object-oriented and functional programming. Functional programming concepts like immutable data structures, functions as first-class values, and for-comprehensions are demonstrated with examples in Scala.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
This document discusses Scala and its features. It provides an example of building a chat application in 30 lines of code using Lift framework. It also demonstrates pattern matching, functional data structures like lists and tuples, for comprehensions, and common Scala tools and frameworks. The document promotes Scala as a pragmatic and scalable language that blends object-oriented and functional programming. It encourages learning more about Scala.
pragmaticrealworldscalajfokus2009-1233251076441384-2.pdfHiroshi Ono
The document discusses Scala and functional programming concepts. It provides examples of building a chat application in 30 lines of code using Lift, defining messages as case classes, and implementing a chat server and comet component. It then summarizes that Scala is a pragmatically-oriented, statically typed language that runs on the JVM and provides a unique blend of object-oriented and functional programming. Traits allow for static and dynamic mixin-based composition. Functional programming concepts like immutable data structures, higher-order functions, and for-comprehensions are discussed.
The document discusses object-oriented programming in Ruby. It introduces some key concepts in OOP like classes, objects, identity, state, and behavior. It also covers Ruby-specific paradigms like modules and mixins. Some common design patterns are mentioned like singleton, iterator, and decorator. The document provides examples to illustrate concepts like inheritance, polymorphism, and visibility in modules.
This document provides an overview of Sequel, a Ruby ORM and database toolkit. It discusses Sequel's history and key features, including database support, datasets, models, associations, and eager loading. Sequel aims to provide a clean Ruby API for building queries and interacting with databases while avoiding complexity where possible. It emphasizes features like connection pooling, functional-style datasets, and explicit association methods over proxies.
Desarrollando aplicaciones web en minutosEdgar Suarez
This document provides an overview of the Ruby programming language, including:
- Its creation by Yukihiro Matsumoto in 1993 and key influences like Perl, Smalltalk, and Lisp.
- Its main features like dynamic typing, duck typing, readable syntax, metaprogramming capabilities, blocks, exceptions, and object orientation.
- How Ruby on Rails was created by David Heinemeier Hansson in 2004 to build web applications using Ruby.
- Common tasks when using Ruby like installing Ruby and Rails, generating models and migrations, associations, validations, and using the MVC framework.
This document provides an overview of the Scala programming language. Some key points:
- Scala runs on the Java Virtual Machine and was created by Martin Odersky at EPFL.
- It has been around since 2003 and the current stable release is 2.7.7. Release 2.8 beta 1 is due out soon.
- Scala combines object-oriented and functional programming. It has features like pattern matching, actors, XML literals, and more that differ from Java. Everything in Scala is an object.
This document provides an overview of DataMapper, an object-relational mapper (ORM) library for Ruby applications. It summarizes DataMapper's main features such as associations, migrations, database adapters, naming conventions, validations, custom types and stores. The document also provides examples of how to use DataMapper with different databases, import/export data, and validate models for specific contexts.
Building a friendly .NET SDK to connect to SpaceMaarten Balliauw
Space is a team tool that integrates chats, meetings, git hosting, automation, and more. It has an HTTP API to integrate third party apps and workflows, but it's massive! And slightly opinionated.
In this session, we will see how we built the .NET SDK for Space, and how we make that massive API more digestible. We will see how we used code generation, and incrementally made the API feel more like a real .NET SDK.
Rich Internet Applications con JavaFX e NetBeans Fabrizio Giudici
JavaFX is a software platform for creating rich internet applications (RIAs) using Java that can compete with Flash/Flex and Silverlight, it is based on Java and the JavaFX runtime and includes tools like JavaFX Script for building the user interface and NetBeans as an integrated development environment. JavaFX aims to simplify building RIAs with features like bindings, listeners and components while allowing access to the full Java runtime.
There are many ways we can structure components. We want components to be reusable, but only to the degree that is reasonable. We want to build small components that can be used to build bigger concepts. Ideally, we want to build loosely coupled & highly cohesive components, so our system is easier to maintain and grow. In React components props can be treated like function arguments and that’s exactly the case for functional stateless components. How we define props in a component, defines how a component can be reused.
There are many ways we can structure components. We want components to be reusable, but only to the degree that is reasonable. We want to build small components that can be used to build bigger concepts. Ideally, we want to build loosely coupled & highly cohesive components, so our system is easier to maintain and grow. In React components props can be treated like function arguments and that’s exactly the case for functional stateless components. How we define props in a component, defines how a component can be reused.
Jonathan Wage is a PHP developer who has worked on the Doctrine project for over 10 years. He works at OpenSky, which uses PHP and several open source projects like Symfony and Doctrine. Doctrine is an open source ORM and database abstraction layer for PHP that was started in 2006 and includes libraries for object mapping, migrations, and working with MongoDB and CouchDB.
Schematics allow developers to define rules that transform a file system tree representation. They provide a workflow tool for scaffolding new components and services as well as updating existing code. The Angular CLI uses schematics under the hood to provide its functionality. Developers can build their own schematics to customize workflows by defining rules that apply transformations to a tree representation of files.
INFORMATIVE ESSAYThe purpose of the Informative Essay assignme.docxcarliotwaycave
INFORMATIVE ESSAY
The purpose of the Informative Essay assignment is to choose a job or task that you know how to do and then write a minimum of 2 full pages, maximum of 3 full pages, Informative Essay teaching the reader how to do that job or task. You will follow the organization techniques explained in Unit 6.
Here are the details:
1. Read the Lecture Notes in Unit 6. You may also find the information in Chapter 10.5 in our text on Process Analysis helpful. The lecture notes will really be the most important to read in writing this assignment. However, here is a link to that chapter that you may look at in addition to the lecture notes:
https://open.lib.umn.edu/writingforsuccess/chapter/10-5-process-analysis/ (Links to an external site.)
2. Choose your topic, that is, the job or task you want to teach. As the notes explain, this should be a job or task that you already know how to do, and it should be something you can do well. At this point, think about your audience (reader). Will your reader need any knowledge or experience to do this job or task, or will you write these instructions for a general reader where no experience is required to perform the job?
3. Plan your outline to organize this essay. Unit 6 notes offer advice on this organization process. Be sure to include an introductory paragraph that has the four main points presented in the lecture notes.
4. Write the essay. It will need to be at least 2 FULL pages long, maximum of 3 full pages long. You will use the MLA formatting that you used in previous essays from Units 3, 4, and 5.
5. Be sure to include a title for your essay.
6. After writing the essay, be sure to take time to read it several times for revision and editing. It would be helpful to have at least one other person proofread it as well before submitting the assignment.
Quiz2
# comments start with #
# to quit q()
# two steps to install any library
#install.packages("rattle")
#library(rattle)
setwd("D:/AJITH/CUMBERLANDS/Ph.D/SEMESTER 3/Data Science & Big Data Analy (ITS-836-51)/RStudio/Week2")
getwd()
x <- 3 # x is a vector of length 1
print(x)
v1 <- c(2,4,6,8,10)
print(v1)
print(v1[3])
v <- c(1:10) #creates a vector of 10 elements numbered 1 through 10. More complicated data
print(v)
print(v[6])
# Import test data
test<-read.csv("CVEs.csv")
test1<-read.csv("CVEs.csv", sep=",")
test2<-read.table("CVEs.csv", sep=",")
write.csv(test2, file="out.csv")
# Write CSV in R
write.table(test1, file = "out1.csv",row.names=TRUE, na="",col.names=TRUE, sep=",")
head(test)
tail(test)
summary(test)
head <- head(test)
tail <- tail(test)
cor(test$X, test$index)
sd(test$index)
var(test$index)
plot(test$index)
hist(test$index)
str(test$index)
quit()
Quiz3
setwd("C:/Users/ialsmadi/Desktop/University_of_Cumberlands/Lectures/Week2/RScripts")
getwd()
# Import test data
data<-read.csv("yearly_sales.csv")
#A 5-number summary is a set of 5 descriptive statistics for summarizing a continuous univariate data set.
#It consists o ...
Apple's Swift has achieved the top place in Stack Overflow's "Most Loved" list of programming languages in its 2015 Developer Survey. Based on information gleaned from GitHub and Stack Overflow, analyst firm RedMonk has seen Swift's popularity ranking soar from 68 to 22 in an unprecedented 6 months.
The "Extreme Swift" event does not require advanced, or even any, knowledge of Swift. Learn about some of the more outrageous features of the language which help explain what the fuss is all about!
Never look at programming the same way again — even if you never end up writing a single line of Swift code in your life.
This document discusses refactoring Java code to Clojure using macros. It provides examples of refactoring Java code that uses method chaining to equivalent Clojure code using the threading macros (->> and -<>). It also discusses other Clojure features like type hints, the doto macro, and polyglot projects using Leiningen.
How to Lose Functional Programming at WorkRobert Pearce
This is a collection of tips on how to unsuccessfully introduce and keep functional programming styles and principles in your workplace, told by someone who has done all of them.
Some Functional Programming in JavaScript and Ramda.jsRobert Pearce
A small take on functional programming in JavaScript (JS) with Ramda.js. In the demos, we refactor updating a deeply nested object using the Ramda REPL and refactor analysis of UK rainfall data with Ramda and TypeScript.
This document appears to be notes from a presentation on functional programming in JavaScript. It introduces the presenter, Robert, and outlines that the presentation will cover currying, composition, eta conversion, and using the Ramda library to simplify JavaScript code into a more point-free style. Point-free style is explained as defining functions without explicitly naming the arguments they operate on, instead composing other functions. An example is provided of transforming a function that finds the best films into a more simplified, point-free implementation using techniques like currying, composition, and Ramda functions.
From Promises & async/await to Async Algebraic Data TypesRobert Pearce
Small presentation for Charleston.js on the Async algebraic data type in JavaScript (demo omitted) as an alternative way to work with asynchronous control structures than Promises & async/await.
Hakyll is a static site generator written in Haskell. It allows for maximum customization through its Haskell DSL and leverages Pandoc and other Haskell libraries. Hakyll is well-suited for small to medium personal blogs and websites due to its powerful and flexible templating system and inclusion of features like Markdown support, RSS feeds, and syntax highlighting out of the box.
This document provides an overview of functional programming (FP) tools and techniques for JavaScript, including FP enablers in vanilla JS like passing functions as values and currying, and libraries like Ramda and Crocks that facilitate FP. It discusses features not available in vanilla JS like pattern matching and algebraic data types. It also lists related FP libraries, tools, and courses for TypeScript, RxJS, and more.
Teamwork is vital to the health of our projects and companies, but there are behaviours we encounter – and exhibit, ourselves – in our organisations that negatively impact the self-confidence, emotional stability and productivity of our teammates. Let's dive in to these behaviours and scenarios to see what we can discover and perhaps remedy.
This document describes react-static, a tool for building static sites with React. It outlines the problems react-static aims to solve:
1. Define the structure of pages and render React components to HTML files
2. Bundle client-side JavaScript and provide instant page linking via React Router
3. Include a development server that watches for changes and reloads automatically
It then details how react-static implements solutions to these problems using React, React Router, fs-promise for rendering to files, browserify for bundling JavaScript, and nodemon/Express for the dev server. Finally, it encourages finding ways to improve react-static or build your own static site generator.
This document covers JavaScript array basics and loops. It discusses array data types, accessing array values using indices, determining array length, using for and while loops to iterate through arrays, and deleting array items. Control flow concepts like if/else if/else statements and logical operators are also mentioned. Exercises are included to practice creating and iterating through arrays using loops.
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This video focuses on integration of Salesforce with Bonterra Impact Management.
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The narrative then shifts to a captivating exploration of prominent desktop OSs, Windows, macOS, and Linux. Windows, with its globally ubiquitous presence and user-friendly interface, emerges as a cornerstone in personal computing history. macOS, lauded for its sleek design and seamless integration with Apple's ecosystem, stands as a beacon of stability and creativity. Linux, an open-source marvel, offers unparalleled flexibility and security, revolutionizing the computing landscape. 🖥️
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Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
2. Understanding Edge (IoT)
- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
3. What is ArgoCD?
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4. Deployment Using ArgoCD for Edge Devices
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5. Introduction to Apache Kafka and S3
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8. Monitoring Application Metrics with Prometheus
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9. What is Camel K?
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10. Configuring Camel K Integrations for Data Pipelines
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11. What is a Jupyter Notebook?
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12. Jupyter Notebooks with Code Examples
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See how organizational priorities and strategic approaches to data security and privacy are evolving around the globe.
This webinar will review:
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I develop the Ruby programming language, RubyGems, and Bundler, which are package managers for Ruby. Today, I will introduce how to enhance the security of your application using open-source software (OSS) examples from Ruby and RubyGems.
The first topic is CVE (Common Vulnerabilities and Exposures). I have published CVEs many times. But what exactly is a CVE? I'll provide a basic understanding of CVEs and explain how to detect and handle vulnerabilities in OSS.
Next, let's discuss package managers. Package managers play a critical role in the OSS ecosystem. I'll explain how to manage library dependencies in your application.
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2. whoami
From Charleston, SC
Digital Nomad
Work at 100% remote company, Articulate
(articulate.com)
Full-stack dev
Worked with React for almost a year
3. Why You Should Listen
I've made more small mistakes than you.
5. don't freak out. This is just a CoffeeScript way of assigning
each of these to variables which represent, for example
Talk Notes
When you see
{div, ul, li, span} = React.DOM
React.DOM.div()
React.DOM.ul()
React.DOM.li()
React.DOM.span()
# etc
This lets you use div, ul, li and span without prefixing them
with React.DOM.___
13. vanilla JS or jQuery
We could use data selector finagling to hide/show
information and divs accordingly, but this can get very ugly
and difficult to maintain.
14. vanilla JS or jQuery
For example, we could
Save each bit of data in data-* attributes for each item
onClick -> Calculate the offset top and height for an item
Give it sufficient padding underneath
Apply the offset top + height to an absolutely positioned
div (100% width) containing the info
Hope things don't explode
Discover that our maths suck when there's already an info
section on the page
Start maintaining state somewhere
15. vanilla JS or jQuery
or, we could
Determine an item's position on a "row"
onClick -> Insert a DOM element at the end of said row
Populate this DOM element with data obtained from data-
* attributes (or a lookup in a variable via data-id?)
Maintain state of what element is currently clicked
Facepalm when we have to change the # of items per row
45. Speakers = React.createClass
componentWillMount: ->
@_fetchSpeakers()
render: ->
# what do you think happens here?
rows = _.chunk(@state.speakers, 4)
div className: 'speakers',
rows.map (row) -> Row(row: row)
_fetchSpeakers: ->
# ...
_onSuccess: (data) ->
@setState(speakers: data)
46. React waits for no code.
Speed is the name of the game.
React calls the render method unless specifically told not to.
When there is no initial state nor inital speakers property,
@state (and thus, speakers) is undefined.
47. We could do...
Speakers = React.createClass
componentWillMount: ->
@_fetchSpeakers()
render: ->
if @state and @state.speakers and @state.speakers.length > 0
rows = _.chunk(@state.speakers, 4)
div className: 'speakers',
rows.map (row) -> Row(row: row)
else
null
# ...
48. or we could do...
Speakers = React.createClass
componentWillMount: ->
@_fetchSpeakers()
render: ->
if @state?.speakers?.length > 0
rows = _.chunk(@state.speakers, 4)
div className: 'speakers',
rows.map (row) -> Row(row: row)
else
null
# ...
49. The Right Way™
Speakers = React.createClass
# With this we now have an initial bit of
# data for our speakers state.
getInitialState: ->
speakers: []
componentWillMount: ->
@_fetchSpeakers()
render: ->
if @state.speakers.length > 0
rows = _.chunk(@state.speakers, 4)
div className: 'speakers',
rows.map (row) -> Row(row: row)
else
null # or a Loader
54. What do we need?
Keep track of currently selected item
Ability to insert the info at the end of a group
Click event that toggles the info for an item
57. Speaker = React.createClass
render: ->
div className: 'speaker', onClick: @_handleToggleClick,
img className: 'speaker__image', src: @props.speaker.image
div className: 'speaker__infoBox',
div className: 'speaker__info',
h3 className: 'speaker__name', @props.speaker.name
span null, @props.speaker.work
# Determines selectedId value and
# triggers the callback function
# passed down from Speakers
_handleToggleClick: ->
# b/c i don't have room for a proper if/else
selectedId = @props.speaker.id
selectedId = -1 if @props.isSelected # reset!
@props.updateSelectedId(selectedId)
58. Info = React.createClass
render: ->
div className: 'speakerInfo',
h3 null, @props.speaker.name
p null,
div null, @props.speaker.work
div null, @props.speaker.twitter
p null, @props.speaker.bio
59. Rendering to the DOM
// index.js
var React = require('react');
var Speakers = require('./Speakers.react');
var div = document.createElement('div');
document.body.insertBefore(div, document.body.firstChild);
React.render(Speakers(), div);
// | |
// component container
61. We won't go in to this, but it now is easy to add additional
functionality, such as Search.
Speakers = React.createClass
# ...
render: ->
div null,
Search()
@_renderRows()
and control the data via this main component.